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-rw-r--r--bootstrap/bin/start.bootbin5250 -> 5264 bytes
-rw-r--r--bootstrap/bin/start_clean.bootbin5250 -> 5264 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_a.beambin2288 -> 2396 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_block.beambin15048 -> 15260 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_clean.beambin9476 -> 11256 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_disasm.beambin25124 -> 26140 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_flatten.beambin2924 -> 3092 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_jump.beambin8568 -> 8700 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_opcodes.beambin6812 -> 7064 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_split.beambin2048 -> 2380 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_utils.beambin13348 -> 13392 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_validator.beambin34488 -> 34984 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/beam_z.beambin2080 -> 2232 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/cerl.beambin30084 -> 31576 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/cerl_trees.beambin18952 -> 20272 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/compile.beambin38164 -> 38720 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/compiler.appup2
-rw-r--r--bootstrap/lib/compiler/ebin/core_lib.beambin5460 -> 5812 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/core_lint.beambin11644 -> 12372 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/core_parse.beambin37664 -> 42808 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/core_pp.beambin12064 -> 12748 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/sys_core_dsetel.beambin6896 -> 7400 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/sys_core_fold.beambin47644 -> 48840 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/sys_pre_expand.beambin13620 -> 14216 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/v3_codegen.beambin51524 -> 55688 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/v3_core.beambin51880 -> 53520 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/v3_kernel.beambin42880 -> 44892 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/v3_kernel_pp.beambin11780 -> 12320 bytes
-rw-r--r--bootstrap/lib/compiler/ebin/v3_life.beambin19992 -> 20856 bytes
-rw-r--r--bootstrap/lib/kernel/ebin/kernel.appup6
-rw-r--r--bootstrap/lib/stdlib/ebin/erl_eval.beambin29232 -> 30492 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/erl_expand_records.beambin21872 -> 22428 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/erl_internal.beambin5200 -> 5236 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/erl_lint.beambin84628 -> 85972 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/erl_parse.beambin69620 -> 74708 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/erl_scan.beambin30064 -> 30124 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/io_lib.beambin9472 -> 9856 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/maps.beambin0 -> 1816 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/ms_transform.beambin20360 -> 20384 bytes
-rw-r--r--bootstrap/lib/stdlib/ebin/stdlib.app1
-rw-r--r--bootstrap/lib/stdlib/ebin/stdlib.appup6
-rw-r--r--erts/doc/src/erl_driver.xml29
-rw-r--r--erts/emulator/Makefile.in2
-rw-r--r--erts/emulator/beam/beam_emu.c464
-rw-r--r--erts/emulator/beam/beam_load.c20
-rw-r--r--erts/emulator/beam/bif.c11
-rw-r--r--erts/emulator/beam/bif.tab17
-rw-r--r--erts/emulator/beam/copy.c32
-rw-r--r--erts/emulator/beam/erl_bif_guard.c23
-rw-r--r--erts/emulator/beam/erl_bif_op.c12
-rw-r--r--erts/emulator/beam/erl_db_util.c13
-rw-r--r--erts/emulator/beam/erl_debug.c1
-rw-r--r--erts/emulator/beam/erl_driver.h4
-rw-r--r--erts/emulator/beam/erl_gc.c1
-rw-r--r--erts/emulator/beam/erl_gc.h37
-rw-r--r--erts/emulator/beam/erl_map.c819
-rw-r--r--erts/emulator/beam/erl_map.h72
-rw-r--r--erts/emulator/beam/erl_nif.c197
-rw-r--r--erts/emulator/beam/erl_nif.h30
-rw-r--r--erts/emulator/beam/erl_nif_api_funcs.h33
-rw-r--r--erts/emulator/beam/erl_printf_term.c52
-rw-r--r--erts/emulator/beam/erl_term.c6
-rw-r--r--erts/emulator/beam/erl_term.h44
-rw-r--r--erts/emulator/beam/erl_utils.h48
-rw-r--r--erts/emulator/beam/external.c187
-rw-r--r--erts/emulator/beam/external.h1
-rwxr-xr-xerts/emulator/beam/global.h1
-rw-r--r--erts/emulator/beam/io.c44
-rw-r--r--erts/emulator/beam/ops.tab69
-rw-r--r--erts/emulator/beam/utils.c181
-rw-r--r--erts/emulator/hipe/hipe_bif2.c1
-rw-r--r--erts/emulator/hipe/hipe_debug.c1
-rw-r--r--erts/emulator/test/Makefile1
-rw-r--r--erts/emulator/test/map_SUITE.erl1056
-rw-r--r--erts/emulator/test/nif_SUITE.erl67
-rw-r--r--erts/emulator/test/nif_SUITE_data/nif_SUITE.c137
-rw-r--r--erts/emulator/test/send_term_SUITE.erl19
-rw-r--r--erts/emulator/test/send_term_SUITE_data/send_term_drv.c72
-rwxr-xr-xerts/emulator/utils/beam_makeops23
-rw-r--r--erts/preloaded/ebin/erlang.beambin98008 -> 98256 bytes
-rw-r--r--erts/preloaded/ebin/erts_internal.beambin4096 -> 4276 bytes
-rw-r--r--erts/preloaded/src/erlang.erl19
-rw-r--r--erts/preloaded/src/erts_internal.erl11
-rw-r--r--lib/compiler/src/beam_a.erl4
-rw-r--r--lib/compiler/src/beam_block.erl6
-rw-r--r--lib/compiler/src/beam_clean.erl30
-rw-r--r--lib/compiler/src/beam_disasm.erl38
-rw-r--r--lib/compiler/src/beam_flatten.erl4
-rw-r--r--lib/compiler/src/beam_jump.erl4
-rw-r--r--lib/compiler/src/beam_split.erl7
-rw-r--r--lib/compiler/src/beam_utils.erl1
-rw-r--r--lib/compiler/src/beam_validator.erl20
-rw-r--r--lib/compiler/src/beam_z.erl4
-rw-r--r--lib/compiler/src/cerl.erl63
-rw-r--r--lib/compiler/src/cerl_inline.erl46
-rw-r--r--lib/compiler/src/cerl_trees.erl46
-rw-r--r--lib/compiler/src/compile.erl21
-rw-r--r--lib/compiler/src/core_lib.erl4
-rw-r--r--lib/compiler/src/core_lint.erl19
-rw-r--r--lib/compiler/src/core_parse.hrl9
-rw-r--r--lib/compiler/src/core_parse.yrl37
-rw-r--r--lib/compiler/src/core_pp.erl21
-rw-r--r--lib/compiler/src/core_scan.erl2
-rwxr-xr-xlib/compiler/src/genop.tab8
-rw-r--r--lib/compiler/src/sys_core_dsetel.erl12
-rw-r--r--lib/compiler/src/sys_core_fold.erl37
-rw-r--r--lib/compiler/src/sys_pre_expand.erl21
-rw-r--r--lib/compiler/src/v3_codegen.erl170
-rw-r--r--lib/compiler/src/v3_core.erl55
-rw-r--r--lib/compiler/src/v3_kernel.erl72
-rw-r--r--lib/compiler/src/v3_kernel.hrl2
-rw-r--r--lib/compiler/src/v3_kernel_pp.erl15
-rw-r--r--lib/compiler/src/v3_life.erl16
-rw-r--r--lib/compiler/test/compile_SUITE.erl11
-rw-r--r--lib/compiler/test/core_SUITE.erl8
-rw-r--r--lib/compiler/test/core_SUITE_data/map_core_test.core95
-rw-r--r--lib/compiler/test/inline_SUITE.erl3
-rw-r--r--lib/compiler/test/inline_SUITE_data/maps_inline_test.erl70
-rw-r--r--lib/dialyzer/src/dialyzer_cl.erl2
-rw-r--r--lib/dialyzer/src/dialyzer_dataflow.erl28
-rw-r--r--lib/dialyzer/src/dialyzer_dep.erl9
-rw-r--r--lib/dialyzer/src/dialyzer_typesig.erl9
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/maps1.erl41
-rw-r--r--lib/edoc/src/edoc_doclet.erl2
-rw-r--r--lib/edoc/src/edoc_layout.erl10
-rw-r--r--lib/edoc/src/edoc_lib.erl2
-rw-r--r--lib/edoc/src/edoc_parser.yrl16
-rw-r--r--lib/edoc/src/edoc_scanner.erl2
-rw-r--r--lib/edoc/src/edoc_specs.erl13
-rw-r--r--lib/edoc/src/edoc_tags.erl2
-rw-r--r--lib/edoc/src/edoc_types.erl4
-rw-r--r--lib/edoc/src/edoc_types.hrl4
-rw-r--r--lib/edoc/test/edoc_SUITE.erl39
-rw-r--r--lib/edoc/test/edoc_SUITE_data/map_module.erl27
-rw-r--r--lib/erl_docgen/src/docgen_otp_specs.erl5
-rw-r--r--lib/hipe/cerl/cerl_prettypr.erl25
-rw-r--r--lib/hipe/cerl/erl_bif_types.erl17
-rw-r--r--lib/hipe/cerl/erl_types.erl108
-rw-r--r--lib/stdlib/examples/erl_id_trans.erl35
-rw-r--r--lib/stdlib/src/Makefile1
-rw-r--r--lib/stdlib/src/erl_eval.erl39
-rw-r--r--lib/stdlib/src/erl_expand_records.erl20
-rw-r--r--lib/stdlib/src/erl_internal.erl5
-rw-r--r--lib/stdlib/src/erl_lint.erl66
-rw-r--r--lib/stdlib/src/erl_parse.yrl45
-rw-r--r--lib/stdlib/src/erl_scan.erl7
-rw-r--r--lib/stdlib/src/io_lib.erl16
-rw-r--r--lib/stdlib/src/io_lib_pretty.erl32
-rw-r--r--lib/stdlib/src/maps.erl198
-rw-r--r--lib/stdlib/src/ms_transform.erl2
-rw-r--r--lib/stdlib/src/stdlib.app.src1
-rw-r--r--lib/stdlib/test/erl_scan_SUITE.erl4
-rw-r--r--lib/syntax_tools/src/erl_syntax.erl36
-rw-r--r--lib/typer/src/typer.erl28
154 files changed, 5486 insertions, 267 deletions
diff --git a/bootstrap/bin/start.boot b/bootstrap/bin/start.boot
index 6f7fb5d7ca..f5800105d3 100644
--- a/bootstrap/bin/start.boot
+++ b/bootstrap/bin/start.boot
Binary files differ
diff --git a/bootstrap/bin/start_clean.boot b/bootstrap/bin/start_clean.boot
index 6f7fb5d7ca..f5800105d3 100644
--- a/bootstrap/bin/start_clean.boot
+++ b/bootstrap/bin/start_clean.boot
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/beam_a.beam b/bootstrap/lib/compiler/ebin/beam_a.beam
index a4965abd48..459db28f43 100644
--- a/bootstrap/lib/compiler/ebin/beam_a.beam
+++ b/bootstrap/lib/compiler/ebin/beam_a.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/beam_block.beam b/bootstrap/lib/compiler/ebin/beam_block.beam
index 6513a0f33b..c161220c93 100644
--- a/bootstrap/lib/compiler/ebin/beam_block.beam
+++ b/bootstrap/lib/compiler/ebin/beam_block.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/beam_clean.beam b/bootstrap/lib/compiler/ebin/beam_clean.beam
index abe390267e..f6e3059e86 100644
--- a/bootstrap/lib/compiler/ebin/beam_clean.beam
+++ b/bootstrap/lib/compiler/ebin/beam_clean.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/beam_disasm.beam b/bootstrap/lib/compiler/ebin/beam_disasm.beam
index eba17a7bbd..c19e467785 100644
--- a/bootstrap/lib/compiler/ebin/beam_disasm.beam
+++ b/bootstrap/lib/compiler/ebin/beam_disasm.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/beam_flatten.beam b/bootstrap/lib/compiler/ebin/beam_flatten.beam
index f0a3dfac91..bf2d341c05 100644
--- a/bootstrap/lib/compiler/ebin/beam_flatten.beam
+++ b/bootstrap/lib/compiler/ebin/beam_flatten.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/beam_jump.beam b/bootstrap/lib/compiler/ebin/beam_jump.beam
index 5c0f4a9996..75c02f082f 100644
--- a/bootstrap/lib/compiler/ebin/beam_jump.beam
+++ b/bootstrap/lib/compiler/ebin/beam_jump.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/beam_opcodes.beam b/bootstrap/lib/compiler/ebin/beam_opcodes.beam
index 8425c2b2b5..5047d223c2 100644
--- a/bootstrap/lib/compiler/ebin/beam_opcodes.beam
+++ b/bootstrap/lib/compiler/ebin/beam_opcodes.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/beam_split.beam b/bootstrap/lib/compiler/ebin/beam_split.beam
index 64a946db25..874245d501 100644
--- a/bootstrap/lib/compiler/ebin/beam_split.beam
+++ b/bootstrap/lib/compiler/ebin/beam_split.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/beam_utils.beam b/bootstrap/lib/compiler/ebin/beam_utils.beam
index ff455ce50f..7da67b85ee 100644
--- a/bootstrap/lib/compiler/ebin/beam_utils.beam
+++ b/bootstrap/lib/compiler/ebin/beam_utils.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/beam_validator.beam b/bootstrap/lib/compiler/ebin/beam_validator.beam
index fed0bb3c48..9f154f58b8 100644
--- a/bootstrap/lib/compiler/ebin/beam_validator.beam
+++ b/bootstrap/lib/compiler/ebin/beam_validator.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/beam_z.beam b/bootstrap/lib/compiler/ebin/beam_z.beam
index 4d28344035..2c4ca55563 100644
--- a/bootstrap/lib/compiler/ebin/beam_z.beam
+++ b/bootstrap/lib/compiler/ebin/beam_z.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/cerl.beam b/bootstrap/lib/compiler/ebin/cerl.beam
index 2cba88e8c3..16c2e4ecb5 100644
--- a/bootstrap/lib/compiler/ebin/cerl.beam
+++ b/bootstrap/lib/compiler/ebin/cerl.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/cerl_trees.beam b/bootstrap/lib/compiler/ebin/cerl_trees.beam
index ce81e67924..b25cfd07cf 100644
--- a/bootstrap/lib/compiler/ebin/cerl_trees.beam
+++ b/bootstrap/lib/compiler/ebin/cerl_trees.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/compile.beam b/bootstrap/lib/compiler/ebin/compile.beam
index 34b3cc86a9..5dcacbacc8 100644
--- a/bootstrap/lib/compiler/ebin/compile.beam
+++ b/bootstrap/lib/compiler/ebin/compile.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/compiler.appup b/bootstrap/lib/compiler/ebin/compiler.appup
index 577ebb149d..2c0d46d5f5 100644
--- a/bootstrap/lib/compiler/ebin/compiler.appup
+++ b/bootstrap/lib/compiler/ebin/compiler.appup
@@ -1 +1 @@
-{"4.9.1",[],[]}.
+{"4.9.4",[],[]}.
diff --git a/bootstrap/lib/compiler/ebin/core_lib.beam b/bootstrap/lib/compiler/ebin/core_lib.beam
index 5e40c086c2..84e8a8034d 100644
--- a/bootstrap/lib/compiler/ebin/core_lib.beam
+++ b/bootstrap/lib/compiler/ebin/core_lib.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/core_lint.beam b/bootstrap/lib/compiler/ebin/core_lint.beam
index 831e2acc43..aeefed6fcb 100644
--- a/bootstrap/lib/compiler/ebin/core_lint.beam
+++ b/bootstrap/lib/compiler/ebin/core_lint.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/core_parse.beam b/bootstrap/lib/compiler/ebin/core_parse.beam
index 3f9c212fe7..4fd3f2fbdb 100644
--- a/bootstrap/lib/compiler/ebin/core_parse.beam
+++ b/bootstrap/lib/compiler/ebin/core_parse.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/core_pp.beam b/bootstrap/lib/compiler/ebin/core_pp.beam
index f7e0dc40ae..bc9decc9f7 100644
--- a/bootstrap/lib/compiler/ebin/core_pp.beam
+++ b/bootstrap/lib/compiler/ebin/core_pp.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/sys_core_dsetel.beam b/bootstrap/lib/compiler/ebin/sys_core_dsetel.beam
index 120c4f4a76..82868f66bc 100644
--- a/bootstrap/lib/compiler/ebin/sys_core_dsetel.beam
+++ b/bootstrap/lib/compiler/ebin/sys_core_dsetel.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/sys_core_fold.beam b/bootstrap/lib/compiler/ebin/sys_core_fold.beam
index 5c87bdd3dd..5516ecaaf9 100644
--- a/bootstrap/lib/compiler/ebin/sys_core_fold.beam
+++ b/bootstrap/lib/compiler/ebin/sys_core_fold.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/sys_pre_expand.beam b/bootstrap/lib/compiler/ebin/sys_pre_expand.beam
index d726c3ca07..6a6216e80f 100644
--- a/bootstrap/lib/compiler/ebin/sys_pre_expand.beam
+++ b/bootstrap/lib/compiler/ebin/sys_pre_expand.beam
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diff --git a/bootstrap/lib/compiler/ebin/v3_codegen.beam b/bootstrap/lib/compiler/ebin/v3_codegen.beam
index c683fc6c46..e6bbc49fba 100644
--- a/bootstrap/lib/compiler/ebin/v3_codegen.beam
+++ b/bootstrap/lib/compiler/ebin/v3_codegen.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/v3_core.beam b/bootstrap/lib/compiler/ebin/v3_core.beam
index 8004afb882..d0e6b3d97e 100644
--- a/bootstrap/lib/compiler/ebin/v3_core.beam
+++ b/bootstrap/lib/compiler/ebin/v3_core.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/v3_kernel.beam b/bootstrap/lib/compiler/ebin/v3_kernel.beam
index 0566a7ff51..8f7ba8803a 100644
--- a/bootstrap/lib/compiler/ebin/v3_kernel.beam
+++ b/bootstrap/lib/compiler/ebin/v3_kernel.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/v3_kernel_pp.beam b/bootstrap/lib/compiler/ebin/v3_kernel_pp.beam
index 1b2d02c1d5..d123c58593 100644
--- a/bootstrap/lib/compiler/ebin/v3_kernel_pp.beam
+++ b/bootstrap/lib/compiler/ebin/v3_kernel_pp.beam
Binary files differ
diff --git a/bootstrap/lib/compiler/ebin/v3_life.beam b/bootstrap/lib/compiler/ebin/v3_life.beam
index bb0ceefdd1..89d1d70814 100644
--- a/bootstrap/lib/compiler/ebin/v3_life.beam
+++ b/bootstrap/lib/compiler/ebin/v3_life.beam
Binary files differ
diff --git a/bootstrap/lib/kernel/ebin/kernel.appup b/bootstrap/lib/kernel/ebin/kernel.appup
index 382d9deea1..b58d066898 100644
--- a/bootstrap/lib/kernel/ebin/kernel.appup
+++ b/bootstrap/lib/kernel/ebin/kernel.appup
@@ -15,13 +15,13 @@
%% under the License.
%%
%% %CopyrightEnd%
-{"2.17",
+{"3.0",
%% Up from - max two major revisions back
- [{<<"2\\.17(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R17
+ [{<<"3\\.0(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R17
{<<"2\\.16(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R16
{<<"2\\.15(\\.[0-9]+)*">>,[restart_new_emulator]}],%% R15
%% Down to - max two major revisions back
- [{<<"2\\.17(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R17
+ [{<<"3\\.0(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R17
{<<"2\\.16(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R16
{<<"2\\.15(\\.[0-9]+)*">>,[restart_new_emulator]}] %% R15
}.
diff --git a/bootstrap/lib/stdlib/ebin/erl_eval.beam b/bootstrap/lib/stdlib/ebin/erl_eval.beam
index d58dd86070..19fadc9585 100644
--- a/bootstrap/lib/stdlib/ebin/erl_eval.beam
+++ b/bootstrap/lib/stdlib/ebin/erl_eval.beam
Binary files differ
diff --git a/bootstrap/lib/stdlib/ebin/erl_expand_records.beam b/bootstrap/lib/stdlib/ebin/erl_expand_records.beam
index 0563699d5e..c8f45fd838 100644
--- a/bootstrap/lib/stdlib/ebin/erl_expand_records.beam
+++ b/bootstrap/lib/stdlib/ebin/erl_expand_records.beam
Binary files differ
diff --git a/bootstrap/lib/stdlib/ebin/erl_internal.beam b/bootstrap/lib/stdlib/ebin/erl_internal.beam
index 01c6598cdc..b851ca484e 100644
--- a/bootstrap/lib/stdlib/ebin/erl_internal.beam
+++ b/bootstrap/lib/stdlib/ebin/erl_internal.beam
Binary files differ
diff --git a/bootstrap/lib/stdlib/ebin/erl_lint.beam b/bootstrap/lib/stdlib/ebin/erl_lint.beam
index 10d32c9865..c413a7fda1 100644
--- a/bootstrap/lib/stdlib/ebin/erl_lint.beam
+++ b/bootstrap/lib/stdlib/ebin/erl_lint.beam
Binary files differ
diff --git a/bootstrap/lib/stdlib/ebin/erl_parse.beam b/bootstrap/lib/stdlib/ebin/erl_parse.beam
index 2815cad4a3..c1c114dd3c 100644
--- a/bootstrap/lib/stdlib/ebin/erl_parse.beam
+++ b/bootstrap/lib/stdlib/ebin/erl_parse.beam
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diff --git a/bootstrap/lib/stdlib/ebin/erl_scan.beam b/bootstrap/lib/stdlib/ebin/erl_scan.beam
index 851270bd37..fe45755343 100644
--- a/bootstrap/lib/stdlib/ebin/erl_scan.beam
+++ b/bootstrap/lib/stdlib/ebin/erl_scan.beam
Binary files differ
diff --git a/bootstrap/lib/stdlib/ebin/io_lib.beam b/bootstrap/lib/stdlib/ebin/io_lib.beam
index d34f69097a..ad77021190 100644
--- a/bootstrap/lib/stdlib/ebin/io_lib.beam
+++ b/bootstrap/lib/stdlib/ebin/io_lib.beam
Binary files differ
diff --git a/bootstrap/lib/stdlib/ebin/maps.beam b/bootstrap/lib/stdlib/ebin/maps.beam
new file mode 100644
index 0000000000..9a902a1ae4
--- /dev/null
+++ b/bootstrap/lib/stdlib/ebin/maps.beam
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diff --git a/bootstrap/lib/stdlib/ebin/ms_transform.beam b/bootstrap/lib/stdlib/ebin/ms_transform.beam
index 6e7a19c78a..9a55c521f8 100644
--- a/bootstrap/lib/stdlib/ebin/ms_transform.beam
+++ b/bootstrap/lib/stdlib/ebin/ms_transform.beam
Binary files differ
diff --git a/bootstrap/lib/stdlib/ebin/stdlib.app b/bootstrap/lib/stdlib/ebin/stdlib.app
index d1da05048b..31c7222100 100644
--- a/bootstrap/lib/stdlib/ebin/stdlib.app
+++ b/bootstrap/lib/stdlib/ebin/stdlib.app
@@ -71,6 +71,7 @@
lib,
lists,
log_mf_h,
+ maps,
math,
ms_transform,
orddict,
diff --git a/bootstrap/lib/stdlib/ebin/stdlib.appup b/bootstrap/lib/stdlib/ebin/stdlib.appup
index b8460d543c..0871dc5a98 100644
--- a/bootstrap/lib/stdlib/ebin/stdlib.appup
+++ b/bootstrap/lib/stdlib/ebin/stdlib.appup
@@ -15,13 +15,13 @@
%% under the License.
%%
%% %CopyrightEnd%
-{"1.20",
+{"2.0",
%% Up from - max two major revisions back
- [{<<"1\\.20(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R17
+ [{<<"2\\.0(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R17
{<<"1\\.19(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R16
{<<"1\\.18(\\.[0-9]+)*">>,[restart_new_emulator]}],%% R15
%% Down to - max two major revisions back
- [{<<"1\\.20(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R17
+ [{<<"2\\.0(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R17
{<<"1\\.19(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R16
{<<"1\\.18(\\.[0-9]+)*">>,[restart_new_emulator]}] %% R15
}.
diff --git a/erts/doc/src/erl_driver.xml b/erts/doc/src/erl_driver.xml
index c2f7fa4588..710c9b19cf 100644
--- a/erts/doc/src/erl_driver.xml
+++ b/erts/doc/src/erl_driver.xml
@@ -4,7 +4,7 @@
<cref>
<header>
<copyright>
- <year>2001</year><year>2013</year>
+ <year>2001</year><year>2014</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -1742,15 +1742,19 @@ typedef struct ErlIOVec {
term consists of one to four elements in the array. The
term first has a term type, and then arguments. The
<c>port</c> parameter specifies the sending port.</p>
- <p>Tuple and lists (with the exception of strings, see below),
+ <p>Tuples, maps and lists (with the exception of strings, see below),
are built in reverse polish notation, so that to build a
tuple, the elements are given first, and then the tuple
- term, with a count. Likewise for lists.</p>
+ term, with a count. Likewise for lists and maps.</p>
<p>A tuple must be specified with the number of elements. (The
elements precede the <c>ERL_DRV_TUPLE</c> term.)</p>
<p>A list must be specified with the number of elements,
including the tail, which is the last term preceding
<c>ERL_DRV_LIST</c>.</p>
+ <p>A map must be specified with the number of key-value pairs <c>N</c>.
+ The key-value pairs must precede the <c>ERL_DRV_MAP</c> in this order:
+ <c>key1,value1,key2,value2,...,keyN,valueN</c>.
+ Duplicate keys are not allowed.</p>
<p>The special term <c>ERL_DRV_STRING_CONS</c> is used to
"splice" in a string in a list, a string given this way is
not a list per se, but the elements are elements of the
@@ -1774,6 +1778,7 @@ ERL_DRV_PID ErlDrvTermData pid (from driver_connected(ErlDrvPort port)
ERL_DRV_STRING_CONS char *str, int len
ERL_DRV_FLOAT double *dbl
ERL_DRV_EXT2TERM char *buf, ErlDrvUInt len
+ERL_DRV_MAP int sz
</pre>
<p>The unsigned integer data type <c>ErlDrvUInt</c> and the
signed integer data type <c>ErlDrvSInt</c> are 64 bits wide
@@ -1856,6 +1861,24 @@ ERL_DRV_EXT2TERM char *buf, ErlDrvUInt len
};
erl_drv_output_term(driver_mk_port(drvport), spec, sizeof(spec) / sizeof(spec[0]));
]]></code>
+
+ <p>To build the map <c>#{key1 => 100, key2 => {200, 300}}</c>, the
+ following call could be made.</p>
+ <code type="none"><![CDATA[
+ ErlDrvPort port = ...
+ ErlDrvTermData spec[] = {
+ ERL_DRV_ATOM, driver_mk_atom("key1"),
+ ERL_DRV_INT, 100,
+ ERL_DRV_ATOM, driver_mk_atom("key2"),
+ ERL_DRV_INT, 200,
+ ERL_DRV_INT, 300,
+ ERL_DRV_TUPLE, 2,
+ ERL_DRV_MAP, 2
+ };
+ erl_drv_output_term(driver_mk_port(drvport), spec, sizeof(spec) / sizeof(spec[0]));
+ ]]>
+ </code>
+
<p>If you want to pass a binary and don't already have the content
of the binary in an <c>ErlDrvBinary</c>, you can benefit from using
<c>ERL_DRV_BUF2BINARY</c> instead of creating an <c>ErlDrvBinary</c>
diff --git a/erts/emulator/Makefile.in b/erts/emulator/Makefile.in
index 9125a8024f..f88a4ccc24 100644
--- a/erts/emulator/Makefile.in
+++ b/erts/emulator/Makefile.in
@@ -779,7 +779,7 @@ RUN_OBJS = \
$(OBJDIR)/erl_zlib.o $(OBJDIR)/erl_nif.o \
$(OBJDIR)/erl_bif_binary.o $(OBJDIR)/erl_ao_firstfit_alloc.o \
$(OBJDIR)/erl_thr_queue.o $(OBJDIR)/erl_sched_spec_pre_alloc.o \
- $(OBJDIR)/erl_ptab.o
+ $(OBJDIR)/erl_ptab.o $(OBJDIR)/erl_map.o
ifeq ($(TARGET),win32)
DRV_OBJS = \
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 7fecdd5c5f..89d9442526 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -31,6 +31,7 @@
#include "big.h"
#include "beam_load.h"
#include "erl_binary.h"
+#include "erl_map.h"
#include "erl_bits.h"
#include "dist.h"
#include "beam_bp.h"
@@ -701,6 +702,19 @@ extern int count_instructions;
Fail; \
}
+#define IsMap(Src, Fail) if (is_not_map(Src)) { Fail; }
+
+#define HasMapField(Src, Key, Fail) if (has_not_map_field(Src, Key)) { Fail; }
+
+#define GetMapElement(Src, Key, Dst, Fail) \
+ do { \
+ Eterm _res = get_map_element(Src, Key); \
+ if (is_non_value(_res)) { \
+ Fail; \
+ } \
+ Dst = _res; \
+ } while (0)
+
#define IsFunction(X, Action) \
do { \
if ( !(is_any_fun(X)) ) { \
@@ -944,7 +958,13 @@ static BeamInstr* apply_fun(Process* p, Eterm fun,
Eterm args, Eterm* reg) NOINLINE;
static Eterm new_fun(Process* p, Eterm* reg,
ErlFunEntry* fe, int num_free) NOINLINE;
-
+static Eterm new_map(Process* p, Eterm* reg, BeamInstr* I) NOINLINE;
+static Eterm update_map_assoc(Process* p, Eterm* reg,
+ Eterm map, BeamInstr* I) NOINLINE;
+static Eterm update_map_exact(Process* p, Eterm* reg,
+ Eterm map, BeamInstr* I) NOINLINE;
+static int has_not_map_field(Eterm map, Eterm key);
+static Eterm get_map_element(Eterm map, Eterm key);
/*
* Functions not directly called by process_main(). OK to inline.
@@ -2323,6 +2343,55 @@ void process_main(void)
Goto(*I);
}
+ OpCase(new_map_jdII): {
+ Eterm res;
+
+ x(0) = r(0);
+ SWAPOUT;
+ res = new_map(c_p, reg, I);
+ SWAPIN;
+ r(0) = x(0);
+ StoreResult(res, Arg(1));
+ Next(4+Arg(3));
+ }
+
+ OpCase(update_map_assoc_jddII): {
+ Eterm res;
+ Eterm map;
+
+ GetArg1(1, map);
+ x(0) = r(0);
+ SWAPOUT;
+ res = update_map_assoc(c_p, reg, map, I);
+ SWAPIN;
+ if (is_value(res)) {
+ r(0) = x(0);
+ StoreResult(res, Arg(2));
+ Next(5+Arg(4));
+ } else {
+ goto badarg;
+ }
+ }
+
+ OpCase(update_map_exact_jddII): {
+ Eterm res;
+ Eterm map;
+
+ GetArg1(1, map);
+ x(0) = r(0);
+ SWAPOUT;
+ res = update_map_exact(c_p, reg, map, I);
+ SWAPIN;
+ if (is_value(res)) {
+ r(0) = x(0);
+ StoreResult(res, Arg(2));
+ Next(5+Arg(4));
+ } else {
+ goto badarg;
+ }
+ }
+
+
/*
* All guards with zero arguments have special instructions:
* self/0
@@ -5031,6 +5100,8 @@ translate_gc_bif(void* gcf)
return bit_size_1;
} else if (gcf == erts_gc_byte_size_1) {
return byte_size_1;
+ } else if (gcf == erts_gc_map_size_1) {
+ return map_size_1;
} else if (gcf == erts_gc_abs_1) {
return abs_1;
} else if (gcf == erts_gc_float_1) {
@@ -6227,6 +6298,397 @@ new_fun(Process* p, Eterm* reg, ErlFunEntry* fe, int num_free)
return make_fun(funp);
}
+static int has_not_map_field(Eterm map, Eterm key)
+{
+ map_t* mp;
+ Eterm* keys;
+ Uint i;
+ Uint n;
+
+ mp = (map_t *)map_val(map);
+ keys = map_get_keys(mp);
+ n = map_get_size(mp);
+ if (is_immed(key)) {
+ for (i = 0; i < n; i++) {
+ if (keys[i] == key) {
+ return 0;
+ }
+ }
+ } else {
+ for (i = 0; i < n; i++) {
+ if (EQ(keys[i], key)) {
+ return 0;
+ }
+ }
+ }
+ return 1;
+}
+
+static Eterm get_map_element(Eterm map, Eterm key)
+{
+ map_t *mp;
+ Eterm* ks, *vs;
+ Uint i;
+ Uint n;
+
+ mp = (map_t *)map_val(map);
+ ks = map_get_keys(mp);
+ vs = map_get_values(mp);
+ n = map_get_size(mp);
+ if (is_immed(key)) {
+ for (i = 0; i < n; i++) {
+ if (ks[i] == key) {
+ return vs[i];
+ }
+ }
+ } else {
+ for (i = 0; i < n; i++) {
+ if (EQ(ks[i], key)) {
+ return vs[i];
+ }
+ }
+ }
+ return THE_NON_VALUE;
+}
+
+#define GET_TERM(term, dest) \
+do { \
+ Eterm src = (Eterm)(term); \
+ switch (src & _TAG_IMMED1_MASK) { \
+ case (R_REG_DEF << _TAG_PRIMARY_SIZE) | TAG_PRIMARY_HEADER: \
+ dest = x(0); \
+ break; \
+ case (X_REG_DEF << _TAG_PRIMARY_SIZE) | TAG_PRIMARY_HEADER: \
+ dest = x(src >> _TAG_IMMED1_SIZE); \
+ break; \
+ case (Y_REG_DEF << _TAG_PRIMARY_SIZE) | TAG_PRIMARY_HEADER: \
+ dest = y(src >> _TAG_IMMED1_SIZE); \
+ break; \
+ default: \
+ dest = src; \
+ break; \
+ } \
+} while(0)
+
+
+static Eterm
+new_map(Process* p, Eterm* reg, BeamInstr* I)
+{
+ Uint n = Arg(3);
+ Uint i;
+ Uint need = n + 1 /* hdr */ + 1 /*size*/ + 1 /* ptr */ + 1 /* arity */;
+ Eterm keys;
+ Eterm *mhp,*thp;
+ Eterm *E;
+ BeamInstr *ptr;
+ map_t *mp;
+
+ if (HeapWordsLeft(p) < need) {
+ erts_garbage_collect(p, need, reg, Arg(2));
+ }
+
+ thp = p->htop;
+ mhp = thp + 1 + n/2;
+ E = p->stop;
+ ptr = &Arg(4);
+ keys = make_tuple(thp);
+ *thp++ = make_arityval(n/2);
+
+ mp = (map_t *)mhp; mhp += MAP_HEADER_SIZE;
+ mp->thing_word = MAP_HEADER;
+ mp->size = n/2;
+ mp->keys = keys;
+
+ for (i = 0; i < n/2; i++) {
+ GET_TERM(*ptr++, *thp++);
+ GET_TERM(*ptr++, *mhp++);
+ }
+ p->htop = mhp;
+ return make_map(mp);
+}
+
+static Eterm
+update_map_assoc(Process* p, Eterm* reg, Eterm map, BeamInstr* I)
+{
+ Uint n;
+ Uint num_old;
+ Uint num_updates;
+ Uint need;
+ map_t *old_mp, *mp;
+ Eterm res;
+ Eterm* hp;
+ Eterm* E;
+ Eterm* old_keys;
+ Eterm* old_vals;
+ BeamInstr* new_p;
+ Eterm new_key;
+ Eterm* kp;
+
+ if (is_not_map(map)) {
+ return THE_NON_VALUE;
+ }
+
+ old_mp = (map_t *) map_val(map);
+ num_old = map_get_size(old_mp);
+
+ /*
+ * If the old map is empty, create a new map.
+ */
+
+ if (num_old == 0) {
+ return new_map(p, reg, I+1);
+ }
+
+ /*
+ * Allocate heap space for the worst case (i.e. all keys in the
+ * update list are new).
+ */
+
+ num_updates = Arg(4) / 2;
+ need = 2*(num_old+num_updates) + 1 + MAP_HEADER_SIZE;
+ if (HeapWordsLeft(p) < need) {
+ Uint live = Arg(3);
+ reg[live] = map;
+ erts_garbage_collect(p, need, reg, live+1);
+ map = reg[live];
+ old_mp = (map_t *)map_val(map);
+ }
+
+ /*
+ * Build the skeleton for the map, ready to be filled in.
+ *
+ * +-----------------------------------+
+ * | (Space for aritvyal for keys) | <-----------+
+ * +-----------------------------------+ |
+ * | (Space for key 1) | | <-- kp
+ * +-----------------------------------+ |
+ * . |
+ * . |
+ * . |
+ * +-----------------------------------+ |
+ * | (Space for last key) | |
+ * +-----------------------------------+ |
+ * | MAP_HEADER | |
+ * +-----------------------------------+ |
+ * | (Space for number of keys/values) | |
+ * +-----------------------------------+ |
+ * | Boxed tuple pointer >----------------+
+ * +-----------------------------------+
+ * | (Space for value 1) | <-- hp
+ * +-----------------------------------+
+ */
+
+ E = p->stop;
+ kp = p->htop + 1; /* Point to first key */
+ hp = kp + num_old + num_updates;
+
+ res = make_map(hp);
+ mp = (map_t *)hp;
+ hp += MAP_HEADER_SIZE;
+ mp->thing_word = MAP_HEADER;
+ mp->keys = make_tuple(kp-1);
+
+ old_vals = map_get_values(old_mp);
+ old_keys = map_get_keys(old_mp);
+
+ new_p = &Arg(5);
+ GET_TERM(*new_p, new_key);
+ n = num_updates;
+
+ /*
+ * Fill in keys and values, until we run out of either updates
+ * or old values and keys.
+ */
+
+ for (;;) {
+ Eterm key;
+ Sint c;
+
+ ASSERT(kp < (Eterm *)mp);
+ key = *old_keys;
+ if ((c = CMP_TERM(key, new_key)) < 0) {
+ /* Copy old key and value */
+ *kp++ = key;
+ *hp++ = *old_vals;
+ old_keys++, old_vals++, num_old--;
+ } else { /* Replace or insert new */
+ GET_TERM(new_p[1], *hp++);
+ if (c > 0) { /* If new new key */
+ *kp++ = new_key;
+ } else { /* If replacement */
+ *kp++ = key;
+ old_keys++, old_vals++, num_old--;
+ }
+ n--;
+ if (n == 0) {
+ break;
+ } else {
+ new_p += 2;
+ GET_TERM(*new_p, new_key);
+ }
+ }
+ if (num_old == 0) {
+ break;
+ }
+ }
+
+ /*
+ * At this point, we have run out of either old keys and values,
+ * or the update list. In other words, at least of one n and
+ * num_old must be zero.
+ */
+
+ if (n > 0) {
+ /*
+ * All old keys and values have been copied, but there
+ * are still new keys and values in the update list that
+ * must be copied.
+ */
+ ASSERT(num_old == 0);
+ while (n-- > 0) {
+ GET_TERM(new_p[0], *kp++);
+ GET_TERM(new_p[1], *hp++);
+ new_p += 2;
+ }
+ } else {
+ /*
+ * All updates are now done. We may still have old
+ * keys and values that we must copy.
+ */
+ ASSERT(n == 0);
+ while (num_old-- > 0) {
+ ASSERT(kp < (Eterm *)mp);
+ *kp++ = *old_keys++;
+ *hp++ = *old_vals++;
+ }
+ }
+
+ /*
+ * Calculate how many values that are unused at the end of the
+ * key tuple and fill it out with a bignum header.
+ */
+ if ((n = (Eterm *)mp - kp) > 0) {
+ *kp = make_pos_bignum_header(n-1);
+ }
+
+ /*
+ * Fill in the size of the map in both the key tuple and in the map.
+ */
+
+ n = kp - p->htop - 1; /* Actual number of keys/values */
+ *p->htop = make_arityval(n);
+ mp->size = n;
+ p->htop = hp;
+ return res;
+}
+
+/*
+ * Update values for keys that already exist in the map.
+ */
+
+static Eterm
+update_map_exact(Process* p, Eterm* reg, Eterm map, BeamInstr* I)
+{
+ Uint n;
+ Uint i;
+ Uint num_old;
+ Uint need;
+ map_t *old_mp, *mp;
+ Eterm res;
+ Eterm* hp;
+ Eterm* E;
+ Eterm* old_keys;
+ Eterm* old_vals;
+ BeamInstr* new_p;
+ Eterm new_key;
+
+ if (is_not_map(map)) {
+ return THE_NON_VALUE;
+ }
+
+ old_mp = (map_t *) map_val(map);
+ num_old = map_get_size(old_mp);
+
+ /*
+ * If the old map is empty, create a new map.
+ */
+
+ if (num_old == 0) {
+ return new_map(p, reg, I+1);
+ }
+
+ /*
+ * Allocate the exact heap space needed.
+ */
+
+ need = num_old + MAP_HEADER_SIZE;
+ if (HeapWordsLeft(p) < need) {
+ Uint live = Arg(3);
+ reg[live] = map;
+ erts_garbage_collect(p, need, reg, live+1);
+ map = reg[live];
+ old_mp = (map_t *)map_val(map);
+ }
+
+ /*
+ * Update map, keeping the old key tuple.
+ */
+
+ hp = p->htop;
+ E = p->stop;
+
+ old_vals = map_get_values(old_mp);
+ old_keys = map_get_keys(old_mp);
+
+ res = make_map(hp);
+ mp = (map_t *)hp;
+ hp += MAP_HEADER_SIZE;
+ mp->thing_word = MAP_HEADER;
+ mp->size = num_old;
+ mp->keys = old_mp->keys;
+
+ /* Get array of key/value pairs to be updated */
+ new_p = &Arg(5);
+ GET_TERM(*new_p, new_key);
+
+ /* Update all values */
+ n = Arg(4) / 2; /* Number of values to be updated */
+ ASSERT(n > 0);
+ for (i = 0; i < num_old; i++) {
+ if (!EQ(*old_keys, new_key)) {
+ /* Not same keys */
+ *hp++ = *old_vals;
+ } else {
+ GET_TERM(new_p[1], *hp);
+ hp++;
+ n--;
+ if (n == 0) {
+ /*
+ * All updates done. Copy remaining values
+ * and return the result.
+ */
+ for (i++, old_vals++; i < num_old; i++) {
+ *hp++ = *old_vals++;
+ }
+ ASSERT(hp == p->htop + need);
+ p->htop = hp;
+ return res;
+ } else {
+ new_p += 2;
+ GET_TERM(*new_p, new_key);
+ }
+ }
+ old_vals++, old_keys++;
+ }
+
+ /*
+ * Updates left. That means that at least one the keys in the
+ * update list did not previously exist.
+ */
+ ASSERT(hp == p->htop + need);
+ return THE_NON_VALUE;
+}
+#undef GET_TERM
int catchlevel(Process *p)
{
diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c
index 938fd8f2c9..b589d1c930 100644
--- a/erts/emulator/beam/beam_load.c
+++ b/erts/emulator/beam/beam_load.c
@@ -3783,6 +3783,8 @@ gen_guard_bif1(LoaderState* stp, GenOpArg Fail, GenOpArg Live, GenOpArg Bif,
op->a[1].val = (BeamInstr) (void *) erts_gc_bit_size_1;
} else if (bf == byte_size_1) {
op->a[1].val = (BeamInstr) (void *) erts_gc_byte_size_1;
+ } else if (bf == map_size_1) {
+ op->a[1].val = (BeamInstr) (void *) erts_gc_map_size_1;
} else if (bf == abs_1) {
op->a[1].val = (BeamInstr) (void *) erts_gc_abs_1;
} else if (bf == float_1) {
@@ -4376,6 +4378,7 @@ transform_engine(LoaderState* st)
Uint* restart; /* Where to restart if current match fails. */
GenOpArg def_vars[TE_MAX_VARS]; /* Default buffer for variables. */
GenOpArg* var = def_vars;
+ int num_vars = 0;
int i; /* General index. */
Uint mask;
GenOp* instr;
@@ -4578,9 +4581,9 @@ transform_engine(LoaderState* st)
{
int n = *pc++;
int formal_arity = gen_opc[instr->op].arity;
- int num_vars = n + (instr->arity - formal_arity);
int j = formal_arity;
+ num_vars = n + (instr->arity - formal_arity);
var = erts_alloc(ERTS_ALC_T_LOADER_TMP,
num_vars * sizeof(GenOpArg));
for (i = 0; i < n; i++) {
@@ -4592,7 +4595,6 @@ transform_engine(LoaderState* st)
}
break;
#endif
-
case TOP_next_arg:
ap++;
break;
@@ -4680,6 +4682,20 @@ transform_engine(LoaderState* st)
instr->a[ap].val = var[i].val;
ap++;
break;
+#if defined(TOP_store_rest_args)
+ case TOP_store_rest_args:
+ {
+ int n = *pc++;
+ int num_extra = num_vars - n;
+
+ ASSERT(n <= num_vars);
+ GENOP_ARITY(instr, instr->arity+num_extra);
+ memcpy(instr->a, instr->def_args, ap*sizeof(GenOpArg));
+ memcpy(instr->a+ap, var+n, num_extra*sizeof(GenOpArg));
+ ap += num_extra;
+ }
+ break;
+#endif
case TOP_try_me_else:
restart = pc + 1;
restart += *pc++;
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c
index 61c1abedb5..9c4801041f 100644
--- a/erts/emulator/beam/bif.c
+++ b/erts/emulator/beam/bif.c
@@ -4615,6 +4615,17 @@ BIF_RETTYPE bump_reductions_1(BIF_ALIST_1)
BIF_RET2(am_true, reds);
}
+BIF_RETTYPE erts_internal_cmp_term_2(BIF_ALIST_2) {
+ int res = CMP_TERM(BIF_ARG_1,BIF_ARG_2);
+
+ /* ensure -1, 0, 1 result */
+ if (res < 0) {
+ BIF_RET(make_small(-1));
+ } else if (res > 0) {
+ BIF_RET(make_small(1));
+ }
+ BIF_RET(make_small(0));
+}
/*
* Processes doing yield on return in a bif ends up in bif_return_trap().
*/
diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab
index 3ec534f0bc..2d888862bf 100644
--- a/erts/emulator/beam/bif.tab
+++ b/erts/emulator/beam/bif.tab
@@ -578,6 +578,23 @@ bif os:unsetenv/1
bif re:inspect/2
+ubif erlang:is_map/1
+ubif erlang:map_size/1
+bif maps:to_list/1
+bif maps:find/2
+bif maps:get/2
+bif maps:from_list/1
+bif maps:is_key/2
+bif maps:keys/1
+bif maps:merge/2
+bif maps:new/0
+bif maps:put/3
+bif maps:remove/2
+bif maps:update/3
+bif maps:values/1
+
+bif erts_internal:cmp_term/2
+
#
# Obsolete
#
diff --git a/erts/emulator/beam/copy.c b/erts/emulator/beam/copy.c
index 23c0fca6aa..3a987e213b 100644
--- a/erts/emulator/beam/copy.c
+++ b/erts/emulator/beam/copy.c
@@ -27,6 +27,7 @@
#include "erl_process.h"
#include "erl_gc.h"
#include "big.h"
+#include "erl_map.h"
#include "erl_binary.h"
#include "erl_bits.h"
#include "dtrace-wrapper.h"
@@ -150,6 +151,24 @@ Uint size_object(Eterm obj)
goto pop_next;
}
break;
+ case MAP_SUBTAG:
+ {
+ Uint n;
+ map_t *mp;
+ mp = (map_t*)map_val_rel(obj,base);
+ ptr = (Eterm *)mp;
+ n = map_get_size(mp) + 1;
+ sum += n + 2;
+ ptr += 2; /* hdr + size words */
+ while (n--) {
+ obj = *ptr++;
+ if (!IS_CONST(obj)) {
+ ESTACK_PUSH(s, obj);
+ }
+ }
+ goto pop_next;
+ }
+ break;
case BIN_MATCHSTATE_SUBTAG:
erl_exit(ERTS_ABORT_EXIT,
"size_object: matchstate term not allowed");
@@ -318,6 +337,15 @@ Eterm copy_struct(Eterm obj, Uint sz, Eterm** hpp, ErlOffHeap* off_heap)
}
}
break;
+ case MAP_SUBTAG:
+ {
+ i = map_get_size(objp) + 3;
+ *argp = make_map_rel(htop, dst_base);
+ while (i--) {
+ *htop++ = *objp++;
+ }
+ }
+ break;
case REFC_BINARY_SUBTAG:
{
ProcBin* pb;
@@ -537,6 +565,10 @@ Eterm copy_shallow(Eterm* ptr, Uint sz, Eterm** hpp, ErlOffHeap* off_heap)
}
goto off_heap_common;
+ case MAP_SUBTAG:
+ *hp++ = *tp++;
+ sz--;
+ break;
case EXTERNAL_PID_SUBTAG:
case EXTERNAL_PORT_SUBTAG:
case EXTERNAL_REF_SUBTAG:
diff --git a/erts/emulator/beam/erl_bif_guard.c b/erts/emulator/beam/erl_bif_guard.c
index a715756c15..bbd8aa31d9 100644
--- a/erts/emulator/beam/erl_bif_guard.c
+++ b/erts/emulator/beam/erl_bif_guard.c
@@ -33,6 +33,7 @@
#include "bif.h"
#include "big.h"
#include "erl_binary.h"
+#include "erl_map.h"
static Eterm gc_double_to_integer(Process* p, double x, Eterm* reg, Uint live);
@@ -455,6 +456,28 @@ Eterm erts_gc_byte_size_1(Process* p, Eterm* reg, Uint live)
}
}
+Eterm erts_gc_map_size_1(Process* p, Eterm* reg, Uint live)
+{
+ Eterm arg = reg[live];
+ if (is_map(arg)) {
+ map_t *mp = (map_t*)map_val(arg);
+ Uint size = map_get_size(mp);
+ if (IS_USMALL(0, size)) {
+ return make_small(size);
+ } else {
+ Eterm* hp;
+ if (ERTS_NEED_GC(p, BIG_UINT_HEAP_SIZE)) {
+ erts_garbage_collect(p, BIG_UINT_HEAP_SIZE, reg, live);
+ }
+ hp = p->htop;
+ p->htop += BIG_UINT_HEAP_SIZE;
+ return uint_to_big(size, hp);
+ }
+ } else {
+ BIF_ERROR(p, BADARG);
+ }
+}
+
Eterm erts_gc_abs_1(Process* p, Eterm* reg, Uint live)
{
Eterm arg;
diff --git a/erts/emulator/beam/erl_bif_op.c b/erts/emulator/beam/erl_bif_op.c
index adac0052d6..37dd6457db 100644
--- a/erts/emulator/beam/erl_bif_op.c
+++ b/erts/emulator/beam/erl_bif_op.c
@@ -36,6 +36,7 @@
#include "dist.h"
#include "erl_version.h"
#include "erl_binary.h"
+#include "erl_map.h"
BIF_RETTYPE and_2(BIF_ALIST_2)
{
@@ -321,7 +322,10 @@ BIF_RETTYPE is_record_3(BIF_ALIST_3)
BIF_RET(am_false);
}
-
-
-
-
+BIF_RETTYPE is_map_1(BIF_ALIST_1)
+{
+ if (is_map(BIF_ARG_1)) {
+ BIF_RET(am_true);
+ }
+ BIF_RET(am_false);
+}
diff --git a/erts/emulator/beam/erl_db_util.c b/erts/emulator/beam/erl_db_util.c
index a358ecf326..3986ccd4d3 100644
--- a/erts/emulator/beam/erl_db_util.c
+++ b/erts/emulator/beam/erl_db_util.c
@@ -35,6 +35,7 @@
#include "bif.h"
#include "big.h"
#include "erl_binary.h"
+#include "erl_map.h"
#include "erl_thr_progress.h"
#include "erl_db_util.h"
@@ -565,6 +566,12 @@ static DMCGuardBif guard_tab[] =
DBIF_ALL
},
{
+ am_is_map,
+ &is_map_1,
+ 1,
+ DBIF_ALL
+ },
+ {
am_is_binary,
&is_binary_1,
1,
@@ -631,6 +638,12 @@ static DMCGuardBif guard_tab[] =
DBIF_ALL
},
{
+ am_map_size,
+ &map_size_1,
+ 1,
+ DBIF_ALL
+ },
+ {
am_bit_size,
&bit_size_1,
1,
diff --git a/erts/emulator/beam/erl_debug.c b/erts/emulator/beam/erl_debug.c
index 873a9860da..50bdc79506 100644
--- a/erts/emulator/beam/erl_debug.c
+++ b/erts/emulator/beam/erl_debug.c
@@ -29,6 +29,7 @@
#include "bif.h"
#include "beam_catches.h"
#include "erl_debug.h"
+#include "erl_map.h"
#define WITHIN(ptr, x, y) ((x) <= (ptr) && (ptr) < (y))
diff --git a/erts/emulator/beam/erl_driver.h b/erts/emulator/beam/erl_driver.h
index 2bd3181bdc..ab9ee63104 100644
--- a/erts/emulator/beam/erl_driver.h
+++ b/erts/emulator/beam/erl_driver.h
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1999-2013. All Rights Reserved.
+ * Copyright Ericsson AB 1999-2014. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -605,6 +605,8 @@ EXTERN int null_func(void);
#define ERL_DRV_INT64 ((ErlDrvTermData) 15) /* ErlDrvSInt64 * */
#define ERL_DRV_UINT64 ((ErlDrvTermData) 16) /* ErlDrvUInt64 * */
+#define ERL_DRV_MAP ((ErlDrvTermData) 17) /* ErlDrvUInt */
+
#ifndef ERL_DRIVER_TYPES_ONLY
/* make terms for driver_output_term and driver_send_term */
diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c
index ab8448e8a1..2022f70cbb 100644
--- a/erts/emulator/beam/erl_gc.c
+++ b/erts/emulator/beam/erl_gc.c
@@ -28,6 +28,7 @@
#include "beam_catches.h"
#include "erl_binary.h"
#include "erl_bits.h"
+#include "erl_map.h"
#include "error.h"
#include "big.h"
#include "erl_gc.h"
diff --git a/erts/emulator/beam/erl_gc.h b/erts/emulator/beam/erl_gc.h
index 1801df359a..5203dda263 100644
--- a/erts/emulator/beam/erl_gc.h
+++ b/erts/emulator/beam/erl_gc.h
@@ -20,6 +20,8 @@
#ifndef __ERL_GC_H__
#define __ERL_GC_H__
+#include "erl_map.h"
+
/* GC declarations shared by beam/erl_gc.c and hipe/hipe_gc.c */
#if defined(DEBUG) && !ERTS_GLB_INLINE_INCL_FUNC_DEF
@@ -42,23 +44,24 @@ do { \
HTOP += 2; /* update tospace htop */ \
} while(0)
-#define MOVE_BOXED(PTR,HDR,HTOP,ORIG) \
-do { \
- Eterm gval; \
- Sint nelts; \
- \
- ASSERT(is_header(HDR)); \
- gval = make_boxed(HTOP); \
- *ORIG = gval; \
- *HTOP++ = HDR; \
- *PTR++ = gval; \
- nelts = header_arity(HDR); \
- switch ((HDR) & _HEADER_SUBTAG_MASK) { \
- case SUB_BINARY_SUBTAG: nelts++; break; \
- case FUN_SUBTAG: nelts+=((ErlFunThing*)(PTR-1))->num_free+1; break; \
- } \
- while (nelts--) \
- *HTOP++ = *PTR++; \
+#define MOVE_BOXED(PTR,HDR,HTOP,ORIG) \
+do { \
+ Eterm gval; \
+ Sint nelts; \
+ \
+ ASSERT(is_header(HDR)); \
+ nelts = header_arity(HDR); \
+ switch ((HDR) & _HEADER_SUBTAG_MASK) { \
+ case SUB_BINARY_SUBTAG: nelts++; break; \
+ case MAP_SUBTAG: nelts+=map_get_size(PTR) + 1; break; \
+ case FUN_SUBTAG: nelts+=((ErlFunThing*)(PTR))->num_free+1; break; \
+ } \
+ gval = make_boxed(HTOP); \
+ *ORIG = gval; \
+ *HTOP++ = HDR; \
+ *PTR++ = gval; \
+ while (nelts--) *HTOP++ = *PTR++; \
+ \
} while(0)
#define in_area(ptr,start,nbytes) \
diff --git a/erts/emulator/beam/erl_map.c b/erts/emulator/beam/erl_map.c
new file mode 100644
index 0000000000..2fff7f9390
--- /dev/null
+++ b/erts/emulator/beam/erl_map.c
@@ -0,0 +1,819 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2014. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ *
+ * Author: Björn-Egil Dahlberg
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "sys.h"
+#include "erl_vm.h"
+#include "global.h"
+#include "erl_process.h"
+#include "error.h"
+#include "bif.h"
+
+#include "erl_map.h"
+
+/* BIFs
+ *
+ * DONE:
+ * - erlang:is_map/1
+ * - erlang:map_size/1
+ *
+ * - maps:find/2
+ * - maps:from_list/1
+ * - maps:get/2
+ * - maps:is_key/2
+ * - maps:keys/1
+ * - maps:merge/2
+ * - maps:new/0
+ * - maps:put/3
+ * - maps:remove/2
+ * - maps:to_list/1
+ * - maps:update/3
+ * - maps:values/1
+ *
+ * TODO:
+ * - maps:foldl/3
+ * - maps:foldr/3
+ * - maps:map/3
+ * - maps:size/1
+ * - maps:without/2
+ *
+ */
+
+/* erlang:map_size/1
+ * the corresponding instruction is implemented in:
+ * beam/erl_bif_guard.c
+ */
+
+BIF_RETTYPE map_size_1(BIF_ALIST_1) {
+ if (is_map(BIF_ARG_1)) {
+ Eterm *hp;
+ Uint hsz = 0;
+ map_t *mp = (map_t*)map_val(BIF_ARG_1);
+ Uint n = map_get_size(mp);
+
+ erts_bld_uint(NULL, &hsz, n);
+ hp = HAlloc(BIF_P, hsz);
+ BIF_RET(erts_bld_uint(&hp, NULL, n));
+ }
+
+ BIF_ERROR(BIF_P, BADARG);
+}
+
+/* maps:to_list/1
+ */
+
+BIF_RETTYPE maps_to_list_1(BIF_ALIST_1) {
+ if (is_map(BIF_ARG_1)) {
+ Uint n;
+ Eterm* hp;
+ Eterm *ks,*vs, res, tup;
+ map_t *mp = (map_t*)map_val(BIF_ARG_1);
+
+ ks = map_get_keys(mp);
+ vs = map_get_values(mp);
+ n = map_get_size(mp);
+ hp = HAlloc(BIF_P, (2 + 3) * n);
+ res = NIL;
+
+ while(n--) {
+ tup = TUPLE2(hp, ks[n], vs[n]); hp += 3;
+ res = CONS(hp, tup, res); hp += 2;
+ }
+
+ BIF_RET(res);
+ }
+
+ BIF_ERROR(BIF_P, BADARG);
+}
+
+/* maps:find/2
+ * return value if key *matches* a key in the map
+ */
+
+int erts_maps_find(Eterm key, Eterm map, Eterm *value) {
+
+ Eterm *ks,*vs;
+ map_t *mp;
+ Uint n,i;
+
+ mp = (map_t*)map_val(map);
+ n = map_get_size(mp);
+ ks = map_get_keys(mp);
+ vs = map_get_values(mp);
+
+ for( i = 0; i < n; i++) {
+ if (EQ(ks[i], key)) {
+ *value = vs[i];
+ return 1;
+ }
+ }
+ return 0;
+}
+
+BIF_RETTYPE maps_find_2(BIF_ALIST_2) {
+ if (is_map(BIF_ARG_2)) {
+ Eterm *hp, value,res;
+
+ if (erts_maps_find(BIF_ARG_1, BIF_ARG_2, &value)) {
+ hp = HAlloc(BIF_P, 3);
+ res = make_tuple(hp);
+ *hp++ = make_arityval(2);
+ *hp++ = am_ok;
+ *hp++ = value;
+ BIF_RET(res);
+ }
+
+ BIF_RET(am_error);
+ }
+ BIF_ERROR(BIF_P, BADARG);
+}
+/* maps:get/2
+ * return value if key *matches* a key in the map
+ * exception bad_key if none matches
+ */
+
+
+int erts_maps_get(Eterm key, Eterm map, Eterm *value) {
+ Eterm *ks,*vs;
+ map_t *mp;
+ Uint n,i;
+
+ mp = (map_t*)map_val(map);
+ n = map_get_size(mp);
+
+ if (n == 0)
+ return 0;
+
+ ks = map_get_keys(mp);
+ vs = map_get_values(mp);
+
+ if (is_immed(key)) {
+ for( i = 0; i < n; i++) {
+ if (ks[i] == key) {
+ *value = vs[i];
+ return 1;
+ }
+ }
+ }
+
+ for( i = 0; i < n; i++) {
+ if (EQ(ks[i], key)) {
+ *value = vs[i];
+ return 1;
+ }
+ }
+ return 0;
+}
+
+BIF_RETTYPE maps_get_2(BIF_ALIST_2) {
+ if (is_map(BIF_ARG_2)) {
+ Eterm *hp;
+ Eterm value, error;
+ char *s_error;
+
+ if (erts_maps_get(BIF_ARG_1, BIF_ARG_2, &value)) {
+ BIF_RET(value);
+ }
+
+ s_error = "bad_key";
+ error = am_atom_put(s_error, sys_strlen(s_error));
+
+ hp = HAlloc(BIF_P, 3);
+ BIF_P->fvalue = TUPLE2(hp, error, BIF_ARG_1);
+ BIF_ERROR(BIF_P, EXC_ERROR_2);
+ }
+ BIF_ERROR(BIF_P, BADARG);
+}
+
+/* maps:from_list/1
+ * List may be unsorted [{K,V}]
+ */
+
+BIF_RETTYPE maps_from_list_1(BIF_ALIST_1) {
+ Eterm *kv, item = BIF_ARG_1;
+ Eterm *hp, *thp,*vs, *ks, keys, res;
+ map_t *mp;
+ Uint size = 0, unused_size = 0;
+ Sint c = 0;
+ Sint idx = 0;
+
+ if (is_list(item) || is_nil(item)) {
+
+ /* Calculate size and check validity */
+
+ while(is_list(item)) {
+ res = CAR(list_val(item));
+ if (is_not_tuple(res))
+ goto error;
+
+ kv = tuple_val(res);
+ if (*kv != make_arityval(2))
+ goto error;
+
+ size++;
+ item = CDR(list_val(item));
+ }
+
+ if (is_not_nil(item))
+ goto error;
+
+ hp = HAlloc(BIF_P, 3 + 1 + (2 * size));
+ thp = hp;
+ keys = make_tuple(hp);
+ *hp++ = make_arityval(size);
+ ks = hp;
+ hp += size;
+ mp = (map_t*)hp;
+ res = make_map(mp);
+ hp += MAP_HEADER_SIZE;
+ vs = hp;
+
+ mp->thing_word = MAP_HEADER;
+ mp->size = size; /* set later, might shrink*/
+ mp->keys = keys;
+
+ if (size == 0)
+ BIF_RET(res);
+
+ item = BIF_ARG_1;
+
+ /* first entry */
+ kv = tuple_val(CAR(list_val(item)));
+ ks[0] = kv[1];
+ vs[0] = kv[2];
+ size = 1;
+ item = CDR(list_val(item));
+
+ /* insert sort key/value pairs */
+ while(is_list(item)) {
+
+ kv = tuple_val(CAR(list_val(item)));
+
+ /* compare ks backwards
+ * idx represent word index to be written (hole position).
+ * We cannot copy the elements when searching since we might
+ * have an equal key. So we search for just the index first =(
+ *
+ * It is perhaps faster to move the values in the first pass.
+ * Check for uniqueness during insert phase and then have a
+ * second phace compacting the map if duplicates are found
+ * during insert. .. or do someother sort .. shell-sort perhaps.
+ */
+
+ idx = size;
+
+ while(idx > 0 && (c = CMP_TERM(kv[1],ks[idx-1])) < 0) { idx--; }
+
+ if (c == 0) {
+ /* last compare was equal,
+ * i.e. we have to release memory
+ * and overwrite that key/value
+ */
+ ks[idx-1] = kv[1];
+ vs[idx-1] = kv[2];
+ unused_size++;
+ } else {
+ Uint i = size;
+ while(i > idx) {
+ ks[i] = ks[i-1];
+ vs[i] = vs[i-1];
+ i--;
+ }
+ ks[idx] = kv[1];
+ vs[idx] = kv[2];
+ size++;
+ }
+ item = CDR(list_val(item));
+ }
+
+ if (unused_size) {
+ /* the key tuple is embedded in the heap
+ * write a bignum to clear it.
+ */
+ /* release values as normal since they are on the top of the heap */
+
+ ks[size] = make_pos_bignum_header(unused_size - 1);
+ HRelease(BIF_P, vs + size + unused_size, vs + size);
+ }
+
+ *thp = make_arityval(size);
+ mp->size = size;
+ BIF_RET(res);
+ }
+
+error:
+
+ BIF_ERROR(BIF_P, BADARG);
+}
+
+/* maps:is_key/2
+ */
+
+BIF_RETTYPE maps_is_key_2(BIF_ALIST_2) {
+ if (is_map(BIF_ARG_2)) {
+ Eterm *ks, key;
+ map_t *mp;
+ Uint n,i;
+
+ mp = (map_t*)map_val(BIF_ARG_2);
+ key = BIF_ARG_1;
+ n = map_get_size(mp);
+ ks = map_get_keys(mp);
+
+ if (n == 0)
+ BIF_RET(am_false);
+
+ if (is_immed(key)) {
+ for( i = 0; i < n; i++) {
+ if (ks[i] == key) {
+ BIF_RET(am_true);
+ }
+ }
+ }
+
+ for( i = 0; i < n; i++) {
+ if (EQ(ks[i], key)) {
+ BIF_RET(am_true);
+ }
+ }
+ BIF_RET(am_false);
+ }
+ BIF_ERROR(BIF_P, BADARG);
+}
+
+/* maps:keys/1
+ */
+
+BIF_RETTYPE maps_keys_1(BIF_ALIST_1) {
+ if (is_map(BIF_ARG_1)) {
+ Eterm *hp, *ks, res = NIL;
+ map_t *mp;
+ Uint n;
+
+ mp = (map_t*)map_val(BIF_ARG_1);
+ n = map_get_size(mp);
+
+ if (n == 0)
+ BIF_RET(res);
+
+ hp = HAlloc(BIF_P, (2 * n));
+ ks = map_get_keys(mp);
+
+ while(n--) {
+ res = CONS(hp, ks[n], res); hp += 2;
+ }
+
+ BIF_RET(res);
+ }
+ BIF_ERROR(BIF_P, BADARG);
+}
+/* maps:merge/2
+ */
+
+BIF_RETTYPE maps_merge_2(BIF_ALIST_2) {
+ if (is_map(BIF_ARG_1) && is_map(BIF_ARG_2)) {
+ Eterm *hp,*thp;
+ Eterm tup;
+ Eterm *ks,*vs,*ks1,*vs1,*ks2,*vs2;
+ map_t *mp1,*mp2,*mp_new;
+ Uint n1,n2,i1,i2,need,unused_size=0;
+ int c = 0;
+
+ mp1 = (map_t*)map_val(BIF_ARG_1);
+ mp2 = (map_t*)map_val(BIF_ARG_2);
+ n1 = map_get_size(mp1);
+ n2 = map_get_size(mp2);
+
+ need = MAP_HEADER_SIZE + 1 + 2*(n1 + n2);
+
+ hp = HAlloc(BIF_P, need);
+ thp = hp;
+ tup = make_tuple(thp);
+ ks = hp + 1; hp += 1 + n1 + n2;
+ mp_new = (map_t*)hp; hp += MAP_HEADER_SIZE;
+ vs = hp; hp += n1 + n2;
+
+ mp_new->thing_word = MAP_HEADER;
+ mp_new->size = 0;
+ mp_new->keys = tup;
+
+ i1 = 0; i2 = 0;
+ ks1 = map_get_keys(mp1);
+ vs1 = map_get_values(mp1);
+ ks2 = map_get_keys(mp2);
+ vs2 = map_get_values(mp2);
+
+ while(i1 < n1 && i2 < n2) {
+ c = CMP_TERM(ks1[i1],ks2[i2]);
+ if ( c == 0) {
+ /* use righthand side arguments map value,
+ * but advance both maps */
+ *ks++ = ks2[i2];
+ *vs++ = vs2[i2];
+ i1++, i2++, unused_size++;
+ } else if ( c < 0) {
+ *ks++ = ks1[i1];
+ *vs++ = vs1[i1];
+ i1++;
+ } else {
+ *ks++ = ks2[i2];
+ *vs++ = vs2[i2];
+ i2++;
+ }
+ }
+
+ /* copy remaining */
+ while (i1 < n1) {
+ *ks++ = ks1[i1];
+ *vs++ = vs1[i1];
+ i1++;
+ }
+
+ while (i2 < n2) {
+ *ks++ = ks2[i2];
+ *vs++ = vs2[i2];
+ i2++;
+ }
+
+ if (unused_size) {
+ /* the key tuple is embedded in the heap, write a bignum to clear it.
+ *
+ * release values as normal since they are on the top of the heap
+ * size = n1 + n1 - unused_size
+ */
+
+ *ks = make_pos_bignum_header(unused_size - 1);
+ HRelease(BIF_P, vs + unused_size, vs);
+ }
+
+ mp_new->size = n1 + n2 - unused_size;
+ *thp = make_arityval(n1 + n2 - unused_size);
+
+ BIF_RET(make_map(mp_new));
+ }
+ BIF_ERROR(BIF_P, BADARG);
+}
+/* maps:new/2
+ */
+
+BIF_RETTYPE maps_new_0(BIF_ALIST_0) {
+ Eterm* hp;
+ Eterm tup;
+ map_t *mp;
+
+ hp = HAlloc(BIF_P, (MAP_HEADER_SIZE + 1));
+ tup = make_tuple(hp);
+ *hp++ = make_arityval(0);
+
+ mp = (map_t*)hp;
+ mp->thing_word = MAP_HEADER;
+ mp->size = 0;
+ mp->keys = tup;
+
+ BIF_RET(make_map(mp));
+}
+
+/* maps:put/3
+ */
+
+Eterm erts_maps_put(Process *p, Eterm key, Eterm value, Eterm map) {
+ Sint n,i;
+ Sint c = 0;
+ Eterm* hp, *shp;
+ Eterm *ks,*vs, res, tup;
+ map_t *mp = (map_t*)map_val(map);
+
+ n = map_get_size(mp);
+
+ if (n == 0) {
+ hp = HAlloc(p, MAP_HEADER_SIZE + 1 + 2);
+ tup = make_tuple(hp);
+ *hp++ = make_arityval(1);
+ *hp++ = key;
+ res = make_map(hp);
+ *hp++ = MAP_HEADER;
+ *hp++ = 1;
+ *hp++ = tup;
+ *hp++ = value;
+
+ return res;
+ }
+
+ ks = map_get_keys(mp);
+ vs = map_get_values(mp);
+
+ /* only allocate for values,
+ * assume key-tuple will be intact
+ */
+
+ hp = HAlloc(p, MAP_HEADER_SIZE + n);
+ shp = hp; /* save hp, used if optimistic update fails */
+ res = make_map(hp);
+ *hp++ = MAP_HEADER;
+ *hp++ = n;
+ *hp++ = mp->keys;
+
+ if (is_immed(key)) {
+ for( i = 0; i < n; i ++) {
+ if (ks[i] == key) {
+ *hp++ = value;
+ vs++;
+ c = 1;
+ } else {
+ *hp++ = *vs++;
+ }
+ }
+ } else {
+ for( i = 0; i < n; i ++) {
+ if (EQ(ks[i], key)) {
+ *hp++ = value;
+ vs++;
+ c = 1;
+ } else {
+ *hp++ = *vs++;
+ }
+ }
+ }
+
+ if (c)
+ return res;
+
+ /* need to make a new tuple,
+ * use old hp since it needs to be recreated anyway.
+ */
+ tup = make_tuple(shp);
+ *shp++ = make_arityval(n+1);
+
+ hp = HAlloc(p, 3 + n + 1);
+ res = make_map(hp);
+ *hp++ = MAP_HEADER;
+ *hp++ = n + 1;
+ *hp++ = tup;
+
+ ks = map_get_keys(mp);
+ vs = map_get_values(mp);
+
+ ASSERT(n >= 0);
+
+ /* copy map in order */
+ while (n && ((c = CMP_TERM(*ks, key)) < 0)) {
+ *shp++ = *ks++;
+ *hp++ = *vs++;
+ n--;
+ }
+
+ *shp++ = key;
+ *hp++ = value;
+
+ ASSERT(n >= 0);
+
+ while(n--) {
+ *shp++ = *ks++;
+ *hp++ = *vs++;
+ }
+ /* we have one word remaining
+ * this will work out fine once we get the size word
+ * in the header.
+ */
+ *shp = make_pos_bignum_header(0);
+ return res;
+}
+
+BIF_RETTYPE maps_put_3(BIF_ALIST_3) {
+ if (is_map(BIF_ARG_3)) {
+ BIF_RET(erts_maps_put(BIF_P, BIF_ARG_1, BIF_ARG_2, BIF_ARG_3));
+ }
+ BIF_ERROR(BIF_P, BADARG);
+}
+
+/* maps:remove/3
+ */
+
+int erts_maps_remove(Process *p, Eterm key, Eterm map, Eterm *res) {
+ Sint n;
+ Uint need;
+ Eterm *hp_start;
+ Eterm *thp, *mhp;
+ Eterm *ks, *vs, tup;
+ map_t *mp = (map_t*)map_val(map);
+
+ n = map_get_size(mp);
+
+ if (n == 0) {
+ *res = map;
+ return 1;
+ }
+
+ ks = map_get_keys(mp);
+ vs = map_get_values(mp);
+
+ /* Assume key exists.
+ * Release allocated if it didn't.
+ * Allocate key tuple first.
+ */
+
+ need = n + 1 - 1 + 3 + n - 1; /* tuple - 1 + map - 1 */
+ hp_start = HAlloc(p, need);
+ thp = hp_start;
+ mhp = thp + n; /* offset with tuple heap size */
+
+ tup = make_tuple(thp);
+ *thp++ = make_arityval(n - 1);
+
+ *res = make_map(mhp);
+ *mhp++ = MAP_HEADER;
+ *mhp++ = n - 1;
+ *mhp++ = tup;
+
+ if (is_immed(key)) {
+ while(n--) {
+ if (*ks == key) {
+ goto found_key;
+ } else {
+ *mhp++ = *vs++;
+ *thp++ = *ks++;
+ }
+ }
+ } else {
+ while(n--) {
+ if (EQ(*ks, key)) {
+ goto found_key;
+ } else {
+ *mhp++ = *vs++;
+ *thp++ = *ks++;
+ }
+ }
+ }
+
+ /* Not found, remove allocated memory
+ * and return previous map.
+ */
+ HRelease(p, hp_start + need, hp_start);
+
+ *res = map;
+ return 1;
+
+found_key:
+ /* Copy rest of keys and values */
+ if (n) {
+ sys_memcpy(mhp, vs+1, n*sizeof(Eterm));
+ sys_memcpy(thp, ks+1, n*sizeof(Eterm));
+ }
+ return 1;
+}
+
+BIF_RETTYPE maps_remove_2(BIF_ALIST_2) {
+ if (is_map(BIF_ARG_2)) {
+ Eterm res;
+ if (erts_maps_remove(BIF_P, BIF_ARG_1, BIF_ARG_2, &res)) {
+ BIF_RET(res);
+ }
+ }
+ BIF_ERROR(BIF_P, BADARG);
+}
+
+/* maps:update/3
+ */
+
+int erts_maps_update(Process *p, Eterm key, Eterm value, Eterm map, Eterm *res) {
+ Sint n,i;
+ Eterm* hp,*shp;
+ Eterm *ks,*vs;
+ map_t *mp = (map_t*)map_val(map);
+
+ if ((n = map_get_size(mp)) == 0) {
+ return 0;
+ }
+
+ ks = map_get_keys(mp);
+ vs = map_get_values(mp);
+
+ /* only allocate for values,
+ * assume key-tuple will be intact
+ */
+
+ hp = HAlloc(p, MAP_HEADER_SIZE + n);
+ shp = hp;
+ *hp++ = MAP_HEADER;
+ *hp++ = n;
+ *hp++ = mp->keys;
+
+ if (is_immed(key)) {
+ for( i = 0; i < n; i ++) {
+ if (ks[i] == key) {
+ goto found_key;
+ } else {
+ *hp++ = *vs++;
+ }
+ }
+ } else {
+ for( i = 0; i < n; i ++) {
+ if (EQ(ks[i], key)) {
+ goto found_key;
+ } else {
+ *hp++ = *vs++;
+ }
+ }
+ }
+
+ HRelease(p, shp + MAP_HEADER_SIZE + n, shp);
+ return 0;
+
+found_key:
+ *hp++ = value;
+ vs++;
+ if (++i < n)
+ sys_memcpy(hp, vs, (n - i)*sizeof(Eterm));
+ *res = make_map(shp);
+ return 1;
+}
+
+BIF_RETTYPE maps_update_3(BIF_ALIST_3) {
+ if (is_map(BIF_ARG_3)) {
+ Eterm res;
+ if (erts_maps_update(BIF_P, BIF_ARG_1, BIF_ARG_2, BIF_ARG_3, &res)) {
+ BIF_RET(res);
+ }
+ }
+ BIF_ERROR(BIF_P, BADARG);
+}
+
+
+/* maps:values/1
+ */
+
+BIF_RETTYPE maps_values_1(BIF_ALIST_1) {
+ if (is_map(BIF_ARG_1)) {
+ Eterm *hp, *vs, res = NIL;
+ map_t *mp;
+ Uint n;
+
+ mp = (map_t*)map_val(BIF_ARG_1);
+ n = map_get_size(mp);
+
+ if (n == 0)
+ BIF_RET(res);
+
+ hp = HAlloc(BIF_P, (2 * n));
+ vs = map_get_values(mp);
+
+ while(n--) {
+ res = CONS(hp, vs[n], res); hp += 2;
+ }
+
+ BIF_RET(res);
+ }
+ BIF_ERROR(BIF_P, BADARG);
+}
+
+int erts_validate_and_sort_map(map_t* mp)
+{
+ Eterm *ks = map_get_keys(mp);
+ Eterm *vs = map_get_values(mp);
+ Uint sz = map_get_size(mp);
+ Uint ix,jx;
+ Eterm tmp;
+ int c;
+
+ /* sort */
+
+ for (ix = 1; ix < sz; ix++) {
+ jx = ix;
+ while( jx > 0 && (c = CMP_TERM(ks[jx],ks[jx-1])) <= 0 ) {
+ /* identical key -> error */
+ if (c == 0) return 0;
+
+ tmp = ks[jx];
+ ks[jx] = ks[jx - 1];
+ ks[jx - 1] = tmp;
+
+ tmp = vs[jx];
+ vs[jx] = vs[jx - 1];
+ vs[jx - 1] = tmp;
+
+ jx--;
+ }
+ }
+ return 1;
+}
diff --git a/erts/emulator/beam/erl_map.h b/erts/emulator/beam/erl_map.h
new file mode 100644
index 0000000000..cfacb2ec28
--- /dev/null
+++ b/erts/emulator/beam/erl_map.h
@@ -0,0 +1,72 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2014. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+
+
+#ifndef __ERL_MAP_H__
+#define __ERL_MAP_H__
+
+#include "sys.h"
+/* MAP */
+
+typedef struct map_s {
+ Eterm thing_word;
+ Uint size;
+ Eterm keys; /* tuple */
+} map_t;
+/* map node
+ *
+ * -----------
+ * Eterm THING
+ * Uint size
+ * Eterm Keys -> {K1, K2, K3, ..., Kn} where n = size
+ * ----
+ * Eterm V1
+ * ...
+ * Eterm Vn, where n = size
+ * -----------
+ */
+
+
+
+/* erl_term.h stuff */
+#define make_map(x) make_boxed((Eterm*)(x))
+#define make_map_rel(x, BASE) make_boxed_rel((Eterm*)(x),(BASE))
+#define is_map(x) (is_boxed((x)) && is_map_header(*boxed_val((x))))
+#define is_map_rel(RTERM,BASE) is_map(rterm2wterm(RTERM,BASE))
+#define is_not_map(x) (!is_map((x)))
+#define is_map_header(x) (((x) & (_TAG_HEADER_MASK)) == _TAG_HEADER_MAP)
+#define header_is_map(x) ((((x) & (_HEADER_SUBTAG_MASK)) == MAP_SUBTAG))
+#define map_val(x) (_unchecked_boxed_val((x)))
+#define map_val_rel(RTERM, BASE) map_val(rterm2wterm(RTERM, BASE))
+
+#define map_get_values(x) (((Eterm *)(x)) + 3)
+#define map_get_keys(x) (((Eterm *)tuple_val(((map_t *)(x))->keys)) + 1)
+#define map_get_size(x) (((map_t*)(x))->size)
+
+#define MAP_HEADER _make_header(1,_TAG_HEADER_MAP)
+#define MAP_HEADER_SIZE (sizeof(map_t) / sizeof(Eterm))
+
+Eterm erts_maps_put(Process *p, Eterm key, Eterm value, Eterm map);
+int erts_maps_update(Process *p, Eterm key, Eterm value, Eterm map, Eterm *res);
+int erts_maps_find(Eterm key, Eterm map, Eterm *value);
+int erts_maps_get(Eterm key, Eterm map, Eterm *value);
+int erts_maps_remove(Process *p, Eterm key, Eterm map, Eterm *res);
+int erts_validate_and_sort_map(map_t* map);
+#endif
+
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index e1e213c4eb..c35f1fc2c6 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2009-2013. All Rights Reserved.
+ * Copyright Ericsson AB 2009-2014. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -31,6 +31,7 @@
#include "bif.h"
#include "error.h"
#include "big.h"
+#include "erl_map.h"
#include "beam_bp.h"
#include "erl_thr_progress.h"
#include "dtrace-wrapper.h"
@@ -1602,6 +1603,197 @@ enif_have_dirty_schedulers()
#endif /* ERL_NIF_DIRTY_SCHEDULER_SUPPORT */
+/* Maps */
+
+int enif_is_map(ErlNifEnv* env, ERL_NIF_TERM term)
+{
+ return is_map(term);
+}
+
+int enif_get_map_size(ErlNifEnv* env, ERL_NIF_TERM term, size_t *size)
+{
+ if (is_map(term)) {
+ map_t *mp;
+ mp = (map_t*)map_val(term);
+ *size = map_get_size(mp);
+ return 1;
+ }
+ return 0;
+}
+
+ERL_NIF_TERM enif_make_new_map(ErlNifEnv* env)
+{
+ Eterm* hp = alloc_heap(env,MAP_HEADER_SIZE+1);
+ Eterm tup;
+ map_t *mp;
+
+ tup = make_tuple(hp);
+ *hp++ = make_arityval(0);
+ mp = (map_t*)hp;
+ mp->thing_word = MAP_HEADER;
+ mp->size = 0;
+ mp->keys = tup;
+
+ return make_map(mp);
+}
+
+int enif_make_map_put(ErlNifEnv* env,
+ Eterm map_in,
+ Eterm key,
+ Eterm value,
+ Eterm *map_out)
+{
+ if (is_not_map(map_in)) {
+ return 0;
+ }
+ flush_env(env);
+ *map_out = erts_maps_put(env->proc, key, value, map_in);
+ cache_env(env);
+ return 1;
+}
+
+int enif_get_map_value(ErlNifEnv* env,
+ Eterm map,
+ Eterm key,
+ Eterm *value)
+{
+ if (is_not_map(map)) {
+ return 0;
+ }
+ return erts_maps_get(key, map, value);
+}
+
+int enif_make_map_update(ErlNifEnv* env,
+ Eterm map_in,
+ Eterm key,
+ Eterm value,
+ Eterm *map_out)
+{
+ int res;
+ if (is_not_map(map_in)) {
+ return 0;
+ }
+
+ flush_env(env);
+ res = erts_maps_update(env->proc, key, value, map_in, map_out);
+ cache_env(env);
+ return res;
+}
+
+int enif_make_map_remove(ErlNifEnv* env,
+ Eterm map_in,
+ Eterm key,
+ Eterm *map_out)
+{
+ int res;
+ if (is_not_map(map_in)) {
+ return 0;
+ }
+ flush_env(env);
+ res = erts_maps_remove(env->proc, key, map_in, map_out);
+ cache_env(env);
+ return res;
+}
+
+int enif_map_iterator_create(ErlNifEnv *env,
+ Eterm map,
+ ErlNifMapIterator *iter,
+ ErlNifMapIteratorEntry entry)
+{
+ if (is_map(map)) {
+ map_t *mp = (map_t*)map_val(map);
+ size_t offset;
+
+ switch (entry) {
+ case ERL_NIF_MAP_ITERATOR_HEAD: offset = 0; break;
+ case ERL_NIF_MAP_ITERATOR_TAIL: offset = map_get_size(mp) - 1; break;
+ default: goto error;
+ }
+
+ /* empty maps are ok but will leave the iterator
+ * in bad shape.
+ */
+
+ iter->map = map;
+ iter->ks = ((Eterm *)map_get_keys(mp)) + offset;
+ iter->vs = ((Eterm *)map_get_values(mp)) + offset;
+ iter->t_limit = map_get_size(mp) + 1;
+ iter->idx = offset + 1;
+
+ return 1;
+ }
+
+error:
+#ifdef DEBUG
+ iter->map = THE_NON_VALUE;
+#endif
+ return 0;
+}
+
+void enif_map_iterator_destroy(ErlNifEnv *env, ErlNifMapIterator *iter)
+{
+ /* not used */
+#ifdef DEBUG
+ iter->map = THE_NON_VALUE;
+#endif
+
+}
+
+int enif_map_iterator_is_tail(ErlNifEnv *env, ErlNifMapIterator *iter)
+{
+ ASSERT(iter && is_map(iter->map));
+ ASSERT(iter->idx >= 0 && (iter->idx <= map_get_size(map_val(iter->map)) + 1));
+ return (iter->t_limit == 1 || iter->idx == iter->t_limit);
+}
+
+int enif_map_iterator_is_head(ErlNifEnv *env, ErlNifMapIterator *iter)
+{
+ ASSERT(iter && is_map(iter->map));
+ ASSERT(iter->idx >= 0 && (iter->idx <= map_get_size(map_val(iter->map)) + 1));
+ return (iter->t_limit == 1 || iter->idx == 0);
+}
+
+
+int enif_map_iterator_next(ErlNifEnv *env, ErlNifMapIterator *iter)
+{
+ ASSERT(iter && is_map(iter->map));
+ if (iter->idx < iter->t_limit) {
+ iter->idx++;
+ iter->ks++;
+ iter->vs++;
+ }
+ return (iter->idx != iter->t_limit);
+}
+
+int enif_map_iterator_prev(ErlNifEnv *env, ErlNifMapIterator *iter)
+{
+ ASSERT(iter && is_map(iter->map));
+ if (iter->idx > 0) {
+ iter->idx--;
+ iter->ks--;
+ iter->vs--;
+ }
+ return (iter->idx > 0);
+}
+
+int enif_map_iterator_get_pair(ErlNifEnv *env,
+ ErlNifMapIterator *iter,
+ Eterm *key,
+ Eterm *value)
+{
+ ASSERT(iter && is_map(iter->map));
+ if (iter->idx > 0 && iter->idx < iter->t_limit) {
+ ASSERT(iter->ks >= map_get_keys(map_val(iter->map)) &&
+ iter->ks < (map_get_keys(map_val(iter->map)) + map_get_size(map_val(iter->map))));
+ ASSERT(iter->vs >= map_get_values(map_val(iter->map)) &&
+ iter->vs < (map_get_values(map_val(iter->map)) + map_get_size(map_val(iter->map))));
+ *key = *(iter->ks);
+ *value = *(iter->vs);
+ return 1;
+ }
+ return 0;
+}
+
/***************************************************************************
** load_nif/2 **
***************************************************************************/
@@ -1798,7 +1990,8 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2)
ret = load_nif_error(BIF_P, bad_lib, "Library init-call unsuccessful");
}
else if (entry->major != ERL_NIF_MAJOR_VERSION
- || entry->minor > ERL_NIF_MINOR_VERSION) {
+ || entry->minor > ERL_NIF_MINOR_VERSION
+ || (entry->major==2 && entry->minor == 5)) { /* experimental maps */
ret = load_nif_error(BIF_P, bad_lib, "Library version (%d.%d) not compatible (with %d.%d).",
entry->major, entry->minor, ERL_NIF_MAJOR_VERSION, ERL_NIF_MINOR_VERSION);
diff --git a/erts/emulator/beam/erl_nif.h b/erts/emulator/beam/erl_nif.h
index fb3c359ec9..7613446f64 100644
--- a/erts/emulator/beam/erl_nif.h
+++ b/erts/emulator/beam/erl_nif.h
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2009-2013. All Rights Reserved.
+ * Copyright Ericsson AB 2009-2014. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -38,14 +38,13 @@
** 2.2: R14B03 enif_is_exception
** 2.3: R15 enif_make_reverse_list, enif_is_number
** 2.4: R16 enif_consume_timeslice
-** 2.5: R17 dirty schedulers
+** 2.5: First experimental maps API additions (libs of this version is not compatible with any other VM)
+** 2.5: R17 Maps API additions
+** 2.6: R17 with maps
+** R17 dirty schedulers
*/
#define ERL_NIF_MAJOR_VERSION 2
-#ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT
-#define ERL_NIF_MINOR_VERSION 5
-#else
-#define ERL_NIF_MINOR_VERSION 4
-#endif
+#define ERL_NIF_MINOR_VERSION 6
#include <stdlib.h>
@@ -104,6 +103,8 @@ typedef unsigned long long ERL_NIF_TERM;
# endif
#endif
+typedef ERL_NIF_TERM ERL_NIF_UINT;
+
struct enif_environment_t;
typedef struct enif_environment_t ErlNifEnv;
@@ -176,6 +177,21 @@ typedef enum
}ErlNifDirtyTaskFlags;
#endif
+typedef struct /* All fields all internal and may change */
+{
+ ERL_NIF_TERM map;
+ ERL_NIF_UINT t_limit;
+ ERL_NIF_UINT idx;
+ ERL_NIF_TERM *ks;
+ ERL_NIF_TERM *vs;
+ void* __spare__[2]; /* for future additions to be ABI compatible (same struct size) */
+} ErlNifMapIterator;
+
+typedef enum {
+ ERL_NIF_MAP_ITERATOR_HEAD = 1,
+ ERL_NIF_MAP_ITERATOR_TAIL = 2
+} ErlNifMapIteratorEntry;
+
#if (defined(__WIN32__) || defined(_WIN32) || defined(_WIN32_))
# define ERL_NIF_API_FUNC_DECL(RET_TYPE, NAME, ARGS) RET_TYPE (*NAME) ARGS
typedef struct {
diff --git a/erts/emulator/beam/erl_nif_api_funcs.h b/erts/emulator/beam/erl_nif_api_funcs.h
index f5b27dfdfa..d7c554e60b 100644
--- a/erts/emulator/beam/erl_nif_api_funcs.h
+++ b/erts/emulator/beam/erl_nif_api_funcs.h
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2009-2013. All Rights Reserved.
+ * Copyright Ericsson AB 2009-2014. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -149,6 +149,22 @@ ERL_NIF_API_FUNC_DECL(int,enif_is_on_dirty_scheduler,(ErlNifEnv*));
ERL_NIF_API_FUNC_DECL(int,enif_have_dirty_schedulers,(void));
#endif
+ERL_NIF_API_FUNC_DECL(int, enif_is_map, (ErlNifEnv* env, ERL_NIF_TERM term));
+ERL_NIF_API_FUNC_DECL(int, enif_get_map_size, (ErlNifEnv* env, ERL_NIF_TERM term, size_t *size));
+ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM, enif_make_new_map, (ErlNifEnv* env));
+ERL_NIF_API_FUNC_DECL(int, enif_make_map_put, (ErlNifEnv* env, ERL_NIF_TERM map_in, ERL_NIF_TERM key, ERL_NIF_TERM value, ERL_NIF_TERM* map_out));
+ERL_NIF_API_FUNC_DECL(int, enif_get_map_value, (ErlNifEnv* env, ERL_NIF_TERM map, ERL_NIF_TERM key, ERL_NIF_TERM* value));
+ERL_NIF_API_FUNC_DECL(int, enif_make_map_update, (ErlNifEnv* env, ERL_NIF_TERM map_in, ERL_NIF_TERM key, ERL_NIF_TERM value, ERL_NIF_TERM* map_out));
+ERL_NIF_API_FUNC_DECL(int, enif_make_map_remove, (ErlNifEnv* env, ERL_NIF_TERM map_in, ERL_NIF_TERM key, ERL_NIF_TERM* map_out));
+ERL_NIF_API_FUNC_DECL(int, enif_map_iterator_create, (ErlNifEnv *env, ERL_NIF_TERM map, ErlNifMapIterator *iter, ErlNifMapIteratorEntry entry));
+ERL_NIF_API_FUNC_DECL(void, enif_map_iterator_destroy, (ErlNifEnv *env, ErlNifMapIterator *iter));
+ERL_NIF_API_FUNC_DECL(int, enif_map_iterator_is_head, (ErlNifEnv *env, ErlNifMapIterator *iter));
+ERL_NIF_API_FUNC_DECL(int, enif_map_iterator_is_tail, (ErlNifEnv *env, ErlNifMapIterator *iter));
+ERL_NIF_API_FUNC_DECL(int, enif_map_iterator_next, (ErlNifEnv *env, ErlNifMapIterator *iter));
+ERL_NIF_API_FUNC_DECL(int, enif_map_iterator_prev, (ErlNifEnv *env, ErlNifMapIterator *iter));
+ERL_NIF_API_FUNC_DECL(int, enif_map_iterator_get_pair, (ErlNifEnv *env, ErlNifMapIterator *iter, ERL_NIF_TERM *key, ERL_NIF_TERM *value));
+
+
/*
** Add new entries here to keep compatibility on Windows!!!
*/
@@ -281,6 +297,21 @@ ERL_NIF_API_FUNC_DECL(int,enif_have_dirty_schedulers,(void));
# define enif_have_dirty_schedulers ERL_NIF_API_FUNC_MACRO(enif_have_dirty_schedulers)
#endif
+# define enif_is_map ERL_NIF_API_FUNC_MACRO(enif_is_map)
+# define enif_get_map_size ERL_NIF_API_FUNC_MACRO(enif_get_map_size)
+# define enif_make_new_map ERL_NIF_API_FUNC_MACRO(enif_make_new_map)
+# define enif_make_map_put ERL_NIF_API_FUNC_MACRO(enif_make_map_put)
+# define enif_get_map_value ERL_NIF_API_FUNC_MACRO(enif_get_map_value)
+# define enif_make_map_update ERL_NIF_API_FUNC_MACRO(enif_make_map_update)
+# define enif_make_map_remove ERL_NIF_API_FUNC_MACRO(enif_make_map_remove)
+# define enif_map_iterator_create ERL_NIF_API_FUNC_MACRO(enif_map_iterator_create)
+# define enif_map_iterator_destroy ERL_NIF_API_FUNC_MACRO(enif_map_iterator_destroy)
+# define enif_map_iterator_is_head ERL_NIF_API_FUNC_MACRO(enif_map_iterator_is_head)
+# define enif_map_iterator_is_tail ERL_NIF_API_FUNC_MACRO(enif_map_iterator_is_tail)
+# define enif_map_iterator_next ERL_NIF_API_FUNC_MACRO(enif_map_iterator_next)
+# define enif_map_iterator_prev ERL_NIF_API_FUNC_MACRO(enif_map_iterator_prev)
+# define enif_map_iterator_get_pair ERL_NIF_API_FUNC_MACRO(enif_map_iterator_get_pair)
+
/*
** Add new entries here
*/
diff --git a/erts/emulator/beam/erl_printf_term.c b/erts/emulator/beam/erl_printf_term.c
index 436147749e..d18760dc43 100644
--- a/erts/emulator/beam/erl_printf_term.c
+++ b/erts/emulator/beam/erl_printf_term.c
@@ -24,6 +24,7 @@
#include "erl_printf_term.h"
#include "sys.h"
#include "big.h"
+#include "erl_map.h"
#define PRINT_CHAR(CNT, FN, ARG, C) \
do { \
@@ -216,14 +217,15 @@ static int print_atom_name(fmtfn_t fn, void* arg, Eterm atom, long *dcount)
}
-#define PRT_BAR ((Eterm) 0)
-#define PRT_COMMA ((Eterm) 1)
-#define PRT_CLOSE_LIST ((Eterm) 2)
-#define PRT_CLOSE_TUPLE ((Eterm) 3)
-#define PRT_TERM ((Eterm) 4)
-#define PRT_ONE_CONS ((Eterm) 5)
-#define PRT_PATCH_FUN_SIZE ((Eterm) 6)
-#define PRT_LAST_ARRAY_ELEMENT ((Eterm) 7) /* Note! Must be last... */
+#define PRT_BAR ((Eterm) 0)
+#define PRT_COMMA ((Eterm) 1)
+#define PRT_CLOSE_LIST ((Eterm) 2)
+#define PRT_CLOSE_TUPLE ((Eterm) 3)
+#define PRT_ASSOC ((Eterm) 4)
+#define PRT_TERM ((Eterm) 5)
+#define PRT_ONE_CONS ((Eterm) 6)
+#define PRT_PATCH_FUN_SIZE ((Eterm) 7)
+#define PRT_LAST_ARRAY_ELEMENT ((Eterm) 8) /* Note! Must be last... */
static int
print_term(fmtfn_t fn, void* arg, Eterm obj, long *dcount,
@@ -260,6 +262,9 @@ print_term(fmtfn_t fn, void* arg, Eterm obj, long *dcount,
case PRT_CLOSE_TUPLE:
PRINT_CHAR(res, fn, arg, '}');
goto L_outer_loop;
+ case PRT_ASSOC:
+ PRINT_STRING(res, fn, arg, "=>");
+ goto L_outer_loop;
default:
popped.word = WSTACK_POP(s);
@@ -483,6 +488,37 @@ print_term(fmtfn_t fn, void* arg, Eterm obj, long *dcount,
PRINT_CHAR(res, fn, arg, '>');
}
break;
+ case MAP_DEF:
+ {
+ Uint n;
+ Eterm *ks, *vs;
+ map_t *mp = (map_t *)map_val(wobj);
+ n = map_get_size(mp);
+ ks = map_get_keys(mp);
+ vs = map_get_values(mp);
+
+ PRINT_CHAR(res, fn, arg, '#');
+ PRINT_CHAR(res, fn, arg, '{');
+ WSTACK_PUSH(s, PRT_CLOSE_TUPLE);
+ if (n > 0) {
+ n--;
+ WSTACK_PUSH(s, vs[n]);
+ WSTACK_PUSH(s, PRT_TERM);
+ WSTACK_PUSH(s, PRT_ASSOC);
+ WSTACK_PUSH(s, ks[n]);
+ WSTACK_PUSH(s, PRT_TERM);
+
+ while (n--) {
+ WSTACK_PUSH(s, PRT_COMMA);
+ WSTACK_PUSH(s, vs[n]);
+ WSTACK_PUSH(s, PRT_TERM);
+ WSTACK_PUSH(s, PRT_ASSOC);
+ WSTACK_PUSH(s, ks[n]);
+ WSTACK_PUSH(s, PRT_TERM);
+ }
+ }
+ }
+ break;
default:
PRINT_STRING(res, fn, arg, "<unknown:");
PRINT_POINTER(res, fn, arg, wobj);
diff --git a/erts/emulator/beam/erl_term.c b/erts/emulator/beam/erl_term.c
index 2f206ffbec..28cbe7004f 100644
--- a/erts/emulator/beam/erl_term.c
+++ b/erts/emulator/beam/erl_term.c
@@ -23,6 +23,7 @@
#include "sys.h"
#include "erl_vm.h"
#include "global.h"
+#include "erl_map.h"
#include <stdlib.h>
#include <stdio.h>
@@ -85,7 +86,10 @@ unsigned tag_val_def(Wterm x)
case (_TAG_HEADER_EXTERNAL_PID >> _TAG_PRIMARY_SIZE): return EXTERNAL_PID_DEF;
case (_TAG_HEADER_EXTERNAL_PORT >> _TAG_PRIMARY_SIZE): return EXTERNAL_PORT_DEF;
case (_TAG_HEADER_EXTERNAL_REF >> _TAG_PRIMARY_SIZE): return EXTERNAL_REF_DEF;
- default: return BINARY_DEF;
+ case (_TAG_HEADER_REFC_BIN >> _TAG_PRIMARY_SIZE): return BINARY_DEF;
+ case (_TAG_HEADER_HEAP_BIN >> _TAG_PRIMARY_SIZE): return BINARY_DEF;
+ case (_TAG_HEADER_SUB_BIN >> _TAG_PRIMARY_SIZE): return BINARY_DEF;
+ case (_TAG_HEADER_MAP >> _TAG_PRIMARY_SIZE): return MAP_DEF;
}
break;
}
diff --git a/erts/emulator/beam/erl_term.h b/erts/emulator/beam/erl_term.h
index 50d3e63c58..f10a3a9d38 100644
--- a/erts/emulator/beam/erl_term.h
+++ b/erts/emulator/beam/erl_term.h
@@ -135,11 +135,12 @@ struct erl_node_; /* Declared in erl_node_tables.h */
#define REF_SUBTAG (0x4 << _TAG_PRIMARY_SIZE) /* REF */
#define FUN_SUBTAG (0x5 << _TAG_PRIMARY_SIZE) /* FUN */
#define FLOAT_SUBTAG (0x6 << _TAG_PRIMARY_SIZE) /* FLOAT */
-#define EXPORT_SUBTAG (0x7 << _TAG_PRIMARY_SIZE) /* FLOAT */
+#define EXPORT_SUBTAG (0x7 << _TAG_PRIMARY_SIZE) /* FLOAT */
#define _BINARY_XXX_MASK (0x3 << _TAG_PRIMARY_SIZE)
#define REFC_BINARY_SUBTAG (0x8 << _TAG_PRIMARY_SIZE) /* BINARY */
#define HEAP_BINARY_SUBTAG (0x9 << _TAG_PRIMARY_SIZE) /* BINARY */
#define SUB_BINARY_SUBTAG (0xA << _TAG_PRIMARY_SIZE) /* BINARY */
+#define MAP_SUBTAG (0xB << _TAG_PRIMARY_SIZE) /* MAP */
#define EXTERNAL_PID_SUBTAG (0xC << _TAG_PRIMARY_SIZE) /* EXTERNAL_PID */
#define EXTERNAL_PORT_SUBTAG (0xD << _TAG_PRIMARY_SIZE) /* EXTERNAL_PORT */
#define EXTERNAL_REF_SUBTAG (0xE << _TAG_PRIMARY_SIZE) /* EXTERNAL_REF */
@@ -155,6 +156,7 @@ struct erl_node_; /* Declared in erl_node_tables.h */
#define _TAG_HEADER_REFC_BIN (TAG_PRIMARY_HEADER|REFC_BINARY_SUBTAG)
#define _TAG_HEADER_HEAP_BIN (TAG_PRIMARY_HEADER|HEAP_BINARY_SUBTAG)
#define _TAG_HEADER_SUB_BIN (TAG_PRIMARY_HEADER|SUB_BINARY_SUBTAG)
+#define _TAG_HEADER_MAP (TAG_PRIMARY_HEADER|MAP_SUBTAG)
#define _TAG_HEADER_EXTERNAL_PID (TAG_PRIMARY_HEADER|EXTERNAL_PID_SUBTAG)
#define _TAG_HEADER_EXTERNAL_PORT (TAG_PRIMARY_HEADER|EXTERNAL_PORT_SUBTAG)
#define _TAG_HEADER_EXTERNAL_REF (TAG_PRIMARY_HEADER|EXTERNAL_REF_SUBTAG)
@@ -354,7 +356,10 @@ _ET_DECLARE_CHECKED(Uint,thing_subtag,Eterm)
#define is_value(x) ((x) != THE_NON_VALUE)
/* binary object access methods */
-#define is_binary_header(x) (((x) & (_TAG_HEADER_MASK-_BINARY_XXX_MASK)) == _TAG_HEADER_REFC_BIN)
+#define is_binary_header(x) \
+ ((((x) & (_TAG_HEADER_MASK)) == _TAG_HEADER_REFC_BIN) || \
+ (((x) & (_TAG_HEADER_MASK)) == _TAG_HEADER_HEAP_BIN) || \
+ (((x) & (_TAG_HEADER_MASK)) == _TAG_HEADER_SUB_BIN))
#define make_binary(x) make_boxed((Eterm*)(x))
#define is_binary(x) (is_boxed((x)) && is_binary_header(*boxed_val((x))))
#define is_not_binary(x) (!is_binary((x)))
@@ -1064,8 +1069,8 @@ _ET_DECLARE_CHECKED(Uint,y_reg_index,Uint)
/*
* Backwards compatibility definitions:
- * - #define virtal *_DEF constants with values that fit term order:
- * number < atom < ref < fun < port < pid < tuple < nil < cons < binary
+ * - #define virtual *_DEF constants with values that fit term order:
+ * number < atom < ref < fun < port < pid < tuple < map < nil < cons < binary
* - tag_val_def() function generates virtual _DEF tag
* - not_eq_tags() and NUMBER_CODE() defined in terms
* of the tag_val_def() function
@@ -1074,19 +1079,20 @@ _ET_DECLARE_CHECKED(Uint,y_reg_index,Uint)
#define BINARY_DEF 0x0
#define LIST_DEF 0x1
#define NIL_DEF 0x2
-#define TUPLE_DEF 0x3
-#define PID_DEF 0x4
-#define EXTERNAL_PID_DEF 0x5
-#define PORT_DEF 0x6
-#define EXTERNAL_PORT_DEF 0x7
-#define EXPORT_DEF 0x8
-#define FUN_DEF 0x9
-#define REF_DEF 0xa
-#define EXTERNAL_REF_DEF 0xb
-#define ATOM_DEF 0xc
-#define FLOAT_DEF 0xd
-#define BIG_DEF 0xe
-#define SMALL_DEF 0xf
+#define MAP_DEF 0x3
+#define TUPLE_DEF 0x4
+#define PID_DEF 0x5
+#define EXTERNAL_PID_DEF 0x6
+#define PORT_DEF 0x7
+#define EXTERNAL_PORT_DEF 0x8
+#define EXPORT_DEF 0x9
+#define FUN_DEF 0xa
+#define REF_DEF 0xb
+#define EXTERNAL_REF_DEF 0xc
+#define ATOM_DEF 0xd
+#define FLOAT_DEF 0xe
+#define BIG_DEF 0xf
+#define SMALL_DEF 0x10
#if ET_DEBUG
extern unsigned tag_val_def_debug(Wterm, const char*, unsigned);
@@ -1096,8 +1102,8 @@ extern unsigned tag_val_def(Wterm);
#endif
#define not_eq_tags(X,Y) (tag_val_def((X)) ^ tag_val_def((Y)))
-#define NUMBER_CODE(x,y) ((tag_val_def(x) << 4) | tag_val_def(y))
-#define _NUMBER_CODE(TX,TY) ((TX << 4) | TY)
+#define NUMBER_CODE(x,y) ((tag_val_def(x) << 5) | tag_val_def(y))
+#define _NUMBER_CODE(TX,TY) ((TX << 5) | TY)
#define SMALL_SMALL _NUMBER_CODE(SMALL_DEF,SMALL_DEF)
#define SMALL_BIG _NUMBER_CODE(SMALL_DEF,BIG_DEF)
#define SMALL_FLOAT _NUMBER_CODE(SMALL_DEF,FLOAT_DEF)
diff --git a/erts/emulator/beam/erl_utils.h b/erts/emulator/beam/erl_utils.h
index 292d135946..5b81d814c6 100644
--- a/erts/emulator/beam/erl_utils.h
+++ b/erts/emulator/beam/erl_utils.h
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2012-2013. All Rights Reserved.
+ * Copyright Ericsson AB 2012-2014. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -202,23 +202,37 @@ int eq(Eterm, Eterm);
#define EQ(x,y) (((x) == (y)) || (is_not_both_immed((x),(y)) && eq((x),(y))))
#if HALFWORD_HEAP
-Sint cmp_rel(Eterm, Eterm*, Eterm, Eterm*);
-#define CMP(A,B) cmp_rel(A,NULL,B,NULL)
+Sint cmp_rel_opt(Eterm, Eterm*, Eterm, Eterm*, int);
+#define cmp_rel(A,A_BASE,B,B_BASE) cmp_rel_opt(A,A_BASE,B,B_BASE,0)
+#define cmp_rel_term(A,A_BASE,B,B_BASE) cmp_rel_opt(A,A_BASE,B,B_BASE,1)
+#define CMP(A,B) cmp_rel_opt(A,NULL,B,NULL,0)
+#define CMP_TERM(A,B) cmp_rel_opt(A,NULL,B,NULL,1)
#else
-Sint cmp(Eterm, Eterm);
-#define cmp_rel(A,A_BASE,B,B_BASE) cmp(A,B)
-#define CMP(A,B) cmp(A,B)
+Sint cmp(Eterm, Eterm, int);
+#define cmp_rel(A,A_BASE,B,B_BASE) cmp(A,B,0)
+#define cmp_rel_term(A,A_BASE,B,B_BASE) cmp(A,B,1)
+#define CMP(A,B) cmp(A,B,0)
+#define CMP_TERM(A,B) cmp(A,B,1)
#endif
-#define cmp_lt(a,b) (CMP((a),(b)) < 0)
-#define cmp_le(a,b) (CMP((a),(b)) <= 0)
-#define cmp_eq(a,b) (CMP((a),(b)) == 0)
-#define cmp_ne(a,b) (CMP((a),(b)) != 0)
-#define cmp_ge(a,b) (CMP((a),(b)) >= 0)
-#define cmp_gt(a,b) (CMP((a),(b)) > 0)
-
-#define CMP_LT(a,b) ((a) != (b) && cmp_lt((a),(b)))
-#define CMP_GE(a,b) ((a) == (b) || cmp_ge((a),(b)))
-#define CMP_EQ(a,b) ((a) == (b) || cmp_eq((a),(b)))
-#define CMP_NE(a,b) ((a) != (b) && cmp_ne((a),(b)))
+
+#define cmp_lt(a,b) (CMP((a),(b)) < 0)
+#define cmp_le(a,b) (CMP((a),(b)) <= 0)
+#define cmp_eq(a,b) (CMP((a),(b)) == 0)
+#define cmp_ne(a,b) (CMP((a),(b)) != 0)
+#define cmp_ge(a,b) (CMP((a),(b)) >= 0)
+#define cmp_gt(a,b) (CMP((a),(b)) > 0)
+
+#define cmp_lt_term(a,b) (CMP_TERM((a),(b)) < 0)
+#define cmp_le_term(a,b) (CMP_TERM((a),(b)) <= 0)
+#define cmp_ge_term(a,b) (CMP_TERM((a),(b)) >= 0)
+#define cmp_gt_term(a,b) (CMP_TERM((a),(b)) > 0)
+
+#define CMP_LT(a,b) ((a) != (b) && cmp_lt((a),(b)))
+#define CMP_GE(a,b) ((a) == (b) || cmp_ge((a),(b)))
+#define CMP_EQ(a,b) ((a) == (b) || cmp_eq((a),(b)))
+#define CMP_NE(a,b) ((a) != (b) && cmp_ne((a),(b)))
+
+#define CMP_LT_TERM(a,b) ((a) != (b) && cmp_lt_term((a),(b)))
+#define CMP_GE_TERM(a,b) ((a) == (b) || cmp_ge_term((a),(b)))
#endif
diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c
index 5e7a5cab6e..a4cc3435c3 100644
--- a/erts/emulator/beam/external.c
+++ b/erts/emulator/beam/external.c
@@ -42,6 +42,7 @@
#include "erl_binary.h"
#include "erl_bits.h"
#include "erl_zlib.h"
+#include "erl_map.h"
#ifdef HIPE
#include "hipe_mode_switch.h"
@@ -2555,6 +2556,38 @@ enc_term_int(TTBEncodeContext* ctx, ErtsAtomCacheMap *acmp, Eterm obj, byte* ep,
}
break;
+ case MAP_DEF:
+ {
+ map_t *mp = (map_t*)map_val(obj);
+ Uint size = map_get_size(mp);
+ Eterm *mptr;
+
+ *ep++ = MAP_EXT;
+ put_int32(size, ep); ep += 4;
+
+ /* Push values first */
+ if (size > 0) {
+ mptr = map_get_values(mp);
+ for (i = size-1; i >= 1; i--) {
+ WSTACK_PUSH(s, ENC_TERM);
+ WSTACK_PUSH(s, (UWord) mptr[i]);
+ }
+
+ WSTACK_PUSH(s, ENC_TERM);
+ WSTACK_PUSH(s, (UWord) mptr[0]);
+
+ mptr = map_get_keys(mp);
+ for (i = size-1; i >= 1; i--) {
+ WSTACK_PUSH(s, ENC_TERM);
+ WSTACK_PUSH(s, (UWord) mptr[i]);
+ }
+
+ obj = mptr[0];
+ goto L_jump_start;
+ }
+ }
+ break;
+
case FLOAT_DEF:
GET_DOUBLE(obj, f);
if (dflags & DFLAG_NEW_FLOATS) {
@@ -2845,6 +2878,7 @@ dec_term(ErtsDistExternal *edep, Eterm** hpp, byte* ep, ErlOffHeap* off_heap,
int n;
ErtsAtomEncoding char_enc;
register Eterm* hp; /* Please don't take the address of hp */
+ Eterm *maps_head = NULL; /* for validation of maps */
Eterm* next;
SWord reds;
@@ -3469,6 +3503,65 @@ dec_term_atom_common:
break;
}
break;
+ case MAP_EXT:
+ {
+ map_t *mp;
+ Uint32 size,n;
+ Eterm *kptr,*vptr;
+ Eterm keys;
+
+ size = get_int32(ep); ep += 4;
+
+ keys = make_tuple(hp);
+ *hp++ = make_arityval(size);
+ kptr = hp;
+ hp += size;
+
+ mp = (map_t*)hp;
+ hp += MAP_HEADER_SIZE;
+ vptr = hp;
+ hp += size;
+
+ /* kptr, first word for keys
+ * vptr, first word for values
+ */
+
+ /*
+ * Use thing_word to link through decoded maps.
+ * The list of maps is for later validation.
+ */
+
+ mp->thing_word = (Eterm) COMPRESS_POINTER(maps_head);
+ maps_head = (Eterm *) mp;
+
+ mp->size = size;
+ mp->keys = keys;
+ *objp = make_map(mp);
+
+ /* We assume the map is wellformed, meaning:
+ * - ascending key order
+ * - unique keys
+ */
+
+ objp = vptr + size - 1;
+ n = size;
+
+ while (n-- > 0) {
+ *objp = (Eterm) COMPRESS_POINTER(next);
+ next = objp;
+ objp--;
+ }
+
+ objp = kptr + size - 1;
+ n = size;
+
+ while (n-- > 0) {
+ *objp = (Eterm) COMPRESS_POINTER(next);
+ next = objp;
+ objp--;
+ }
+ }
+ break;
case NEW_FUN_EXT:
{
ErlFunThing* funp = (ErlFunThing *) hp;
@@ -3678,21 +3771,7 @@ dec_term_atom_common:
}
default:
- error:
- /* UNDO:
- * Must unlink all off-heap objects that may have been
- * linked into the process.
- */
- if (hp < *hpp) { /* Sometimes we used hp and sometimes *hpp */
- hp = *hpp; /* the largest must be the freshest */
- }
- undo_offheap_in_area(off_heap, hp_saved, hp);
- *hpp = hp_saved;
- if (ctx) {
- ctx->state = B2TDecodeFail;
- ctx->reds = reds;
- }
- return NULL;
+ goto error;
}
if (--reds <= 0) {
@@ -3710,12 +3789,43 @@ dec_term_atom_common:
}
}
}
+
+ /* Iterate through all the maps and check for validity and sort keys
+ * - done here for when we know it is complete.
+ */
+
+ while (maps_head) {
+ next = (Eterm *)(EXPAND_POINTER(*maps_head));
+ *maps_head = MAP_HEADER;
+ if (!erts_validate_and_sort_map((map_t*)maps_head))
+ goto error;
+ maps_head = next;
+ }
+
if (ctx) {
ctx->state = B2TDone;
ctx->reds = reds;
}
+
*hpp = hp;
return ep;
+
+error:
+ /* UNDO:
+ * Must unlink all off-heap objects that may have been
+ * linked into the process.
+ */
+ if (hp < *hpp) { /* Sometimes we used hp and sometimes *hpp */
+ hp = *hpp; /* the largest must be the freshest */
+ }
+ undo_offheap_in_area(off_heap, hp_saved, hp);
+ *hpp = hp_saved;
+ if (ctx) {
+ ctx->state = B2TDecodeFail;
+ ctx->reds = reds;
+ }
+
+ return NULL;
}
/* returns the number of bytes needed to encode an object
@@ -3885,6 +3995,46 @@ encode_size_struct_int(TTBSizeContext* ctx, ErtsAtomCacheMap *acmp, Eterm obj,
goto outer_loop;
}
break;
+ case MAP_DEF:
+ {
+ map_t *mp = (map_t*)map_val(obj);
+ Uint size = map_get_size(mp);
+ Uint i;
+ Eterm *ptr;
+
+ result += 1 + 4; /* tag + 4 bytes size */
+
+ /* push values first */
+ ptr = map_get_values(mp);
+ i = size;
+ while(i--) {
+ if (is_list(*ptr)) {
+ if ((m = is_string(*ptr)) && (m < MAX_STRING_LEN)) {
+ result += m + 2 + 1;
+ } else {
+ result += 5;
+ }
+ }
+ ESTACK_PUSH(s,*ptr);
+ ++ptr;
+ }
+
+ ptr = map_get_keys(mp);
+ i = size;
+ while(i--) {
+ if (is_list(*ptr)) {
+ if ((m = is_string(*ptr)) && (m < MAX_STRING_LEN)) {
+ result += m + 2 + 1;
+ } else {
+ result += 5;
+ }
+ }
+ ESTACK_PUSH(s,*ptr);
+ ++ptr;
+ }
+ goto outer_loop;
+ }
+ break;
case FLOAT_DEF:
if (dflags & DFLAG_NEW_FLOATS) {
result += 9;
@@ -4175,6 +4325,13 @@ init_done:
ADDTERMS(n);
heap_size += n + 1;
break;
+ case MAP_EXT:
+ CHKSIZE(4);
+ n = get_int32(ep);
+ ep += 4;
+ ADDTERMS(2*n);
+ heap_size += 3 + n + 1 + n;
+ break;
case STRING_EXT:
CHKSIZE(2);
n = get_int16(ep);
diff --git a/erts/emulator/beam/external.h b/erts/emulator/beam/external.h
index 83001b2c7e..bf00958eb1 100644
--- a/erts/emulator/beam/external.h
+++ b/erts/emulator/beam/external.h
@@ -50,6 +50,7 @@
#define LARGE_BIG_EXT 'o'
#define NEW_FUN_EXT 'p'
#define EXPORT_EXT 'q'
+#define MAP_EXT 't'
#define FUN_EXT 'u'
#define ATOM_UTF8_EXT 'v'
#define SMALL_ATOM_UTF8_EXT 'w'
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 83a8911a36..8fcb95d0e2 100755
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -998,6 +998,7 @@ Eterm erts_gc_length_1(Process* p, Eterm* reg, Uint live);
Eterm erts_gc_size_1(Process* p, Eterm* reg, Uint live);
Eterm erts_gc_bit_size_1(Process* p, Eterm* reg, Uint live);
Eterm erts_gc_byte_size_1(Process* p, Eterm* reg, Uint live);
+Eterm erts_gc_map_size_1(Process* p, Eterm* reg, Uint live);
Eterm erts_gc_abs_1(Process* p, Eterm* reg, Uint live);
Eterm erts_gc_float_1(Process* p, Eterm* reg, Uint live);
Eterm erts_gc_round_1(Process* p, Eterm* reg, Uint live);
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index 49af86b36a..3b16cdeb4a 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1996-2013. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2014. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -46,6 +46,7 @@
#define ERTS_WANT_EXTERNAL_TAGS
#include "external.h"
#include "dtrace-wrapper.h"
+#include "erl_map.h"
extern ErlDrvEntry fd_driver_entry;
extern ErlDrvEntry vanilla_driver_entry;
@@ -5293,6 +5294,17 @@ driver_deliver_term(Eterm to, ErlDrvTermData* data, int len)
depth++;
break;
}
+ case ERL_DRV_MAP: { /* int */
+ ERTS_DDT_CHK_ENOUGH_ARGS(1);
+ if ((int) ptr[0] < 0) ERTS_DDT_FAIL;
+ need += MAP_HEADER_SIZE + 1 + 2*ptr[0];
+ depth -= 2*ptr[0];
+ if (depth < 0) ERTS_DDT_FAIL;
+ ptr++;
+ depth++;
+ break;
+ }
+
default:
ERTS_DDT_FAIL;
}
@@ -5529,6 +5541,36 @@ driver_deliver_term(Eterm to, ErlDrvTermData* data, int len)
ptr += 2;
break;
+ case ERL_DRV_MAP: { /* int */
+ int size = (int)ptr[0];
+ Eterm* tp = hp;
+ Eterm* vp;
+ map_t *mp;
+
+ *tp = make_arityval(size);
+
+ hp += 1 + size;
+ mp = (map_t*)hp;
+ mp->thing_word = MAP_HEADER;
+ mp->size = size;
+ mp->keys = make_tuple(tp);
+ mess = make_map(mp);
+
+ hp += MAP_HEADER_SIZE + size; /* advance "heap" pointer */
+
+ tp += size; /* point at last key */
+ vp = hp - 1; /* point at last value */
+
+ while(size--) {
+ *vp-- = ESTACK_POP(stack);
+ *tp-- = ESTACK_POP(stack);
+ }
+ if (!erts_validate_and_sort_map(mp))
+ ERTS_DDT_FAIL;
+ ptr++;
+ break;
+ }
+
}
ESTACK_PUSH(stack, mess);
}
diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab
index c29f3f9b1b..f35997efee 100644
--- a/erts/emulator/beam/ops.tab
+++ b/erts/emulator/beam/ops.tab
@@ -1466,6 +1466,75 @@ apply I
apply_last I P
#
+# Map instructions in R17.
+#
+
+# put_map Fail Src Dst Live Size Rest=* => jump Fail
+# is_map Fail Src => jump Fail
+# has_map_field Fail Src Key => jump Fail
+# get_map_element Fail Src Key Dst => jump Fail
+
+put_map_assoc F n Dst Live Size Rest=* => new_map F Dst Live Size Rest
+put_map_exact F n Dst Live Size Rest=* => new_map F Dst Live Size Rest
+put_map_assoc F Src Dst Live Size Rest=* => \
+ update_map_assoc F Src Dst Live Size Rest
+put_map_exact F Src Dst Live Size Rest=* => \
+ update_map_exact F Src Dst Live Size Rest
+
+new_map j d I I
+update_map_assoc j d d I I
+update_map_exact j d d I I
+
+is_map Fail cq => jump Fail
+
+%macro: is_map IsMap -fail_action
+is_map f r
+is_map f x
+is_map f y
+
+has_map_field Fail Src=rxy Key=arxy => i_has_map_field Fail Src Key
+has_map_field Fail Src Key => move Key x | i_has_map_field Fail Src x
+
+%macro: i_has_map_field HasMapField -fail_action
+i_has_map_field f r a
+i_has_map_field f x a
+i_has_map_field f y a
+i_has_map_field f r r
+i_has_map_field f x r
+i_has_map_field f y r
+i_has_map_field f r x
+i_has_map_field f x x
+i_has_map_field f y x
+i_has_map_field f r y
+i_has_map_field f x y
+i_has_map_field f y y
+
+get_map_element Fail Src=rxy Key=ax Dst => i_get_map_element Fail Src Key Dst
+get_map_element Fail Src=rxy Key=rycq Dst => \
+ move Key x | i_get_map_element Fail Src x Dst
+get_map_element Fail Src Key Dst => jump Fail
+
+%macro: i_get_map_element GetMapElement -fail_action
+i_get_map_element f r a r
+i_get_map_element f x a r
+i_get_map_element f y a r
+i_get_map_element f r a x
+i_get_map_element f x a x
+i_get_map_element f y a x
+i_get_map_element f r a y
+i_get_map_element f x a y
+i_get_map_element f y a y
+i_get_map_element f r x r
+i_get_map_element f x x r
+i_get_map_element f y x r
+i_get_map_element f r x x
+i_get_map_element f x x x
+i_get_map_element f y x x
+i_get_map_element f r x y
+i_get_map_element f x x y
+i_get_map_element f y x y
+
+#
# Optimize addition and subtraction of small literals using
# the i_increment/4 instruction (in bodies, not in guards).
#
diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c
index e0776cf67d..bc4a05d385 100644
--- a/erts/emulator/beam/utils.c
+++ b/erts/emulator/beam/utils.c
@@ -31,6 +31,7 @@
#include "bif.h"
#include "erl_binary.h"
#include "erl_bits.h"
+#include "erl_map.h"
#include "packet_parser.h"
#include "erl_gc.h"
#define ERTS_WANT_DB_INTERNAL__
@@ -734,6 +735,8 @@ erts_bld_atom_2uint_3tup_list(Uint **hpp, Uint *szp, Sint length,
#define FUNNY_NUMBER10 268440479
#define FUNNY_NUMBER11 268440577
#define FUNNY_NUMBER12 268440581
+#define FUNNY_NUMBER13 268440593
+#define FUNNY_NUMBER14 268440611
static Uint32
hash_binary_bytes(Eterm bin, Uint sz, Uint32 hash)
@@ -785,10 +788,10 @@ Uint32 make_hash(Eterm term_arg)
unsigned op;
/* Must not collide with the real tag_val_def's: */
-#define MAKE_HASH_TUPLE_OP 0x10
-#define MAKE_HASH_FUN_OP 0x11
-#define MAKE_HASH_CDR_PRE_OP 0x12
-#define MAKE_HASH_CDR_POST_OP 0x13
+#define MAKE_HASH_TUPLE_OP 0x11
+#define MAKE_HASH_TERM_ARRAY_OP 0x12
+#define MAKE_HASH_CDR_PRE_OP 0x13
+#define MAKE_HASH_CDR_POST_OP 0x14
/*
** Convenience macro for calculating a bytewise hash on an unsigned 32 bit
@@ -877,7 +880,7 @@ tail_recur:
hash = hash*FUNNY_NUMBER2 + funp->fe->old_uniq;
if (num_free > 0) {
if (num_free > 1) {
- WSTACK_PUSH3(stack, (UWord) &funp->env[1], (num_free-1), MAKE_HASH_FUN_OP);
+ WSTACK_PUSH3(stack, (UWord) &funp->env[1], (num_free-1), MAKE_HASH_TERM_ARRAY_OP);
}
term = funp->env[0];
goto tail_recur;
@@ -967,6 +970,24 @@ tail_recur:
hash *= is_neg ? FUNNY_NUMBER4 : FUNNY_NUMBER3;
break;
}
+ case MAP_DEF:
+ {
+ map_t *mp = (map_t *)map_val(term);
+ int size = map_get_size(mp);
+ Eterm *ks = map_get_keys(mp);
+ Eterm *vs = map_get_values(mp);
+
+ /* Use a prime with size to remedy some of
+ * the {} and <<>> hash problems */
+ hash = hash*FUNNY_NUMBER13 + FUNNY_NUMBER14 + size;
+ if (size == 0)
+ break;
+
+ /* push values first */
+ WSTACK_PUSH3(stack, (UWord)vs, (UWord) size, MAKE_HASH_TERM_ARRAY_OP);
+ WSTACK_PUSH3(stack, (UWord)ks, (UWord) size, MAKE_HASH_TERM_ARRAY_OP);
+ break;
+ }
case TUPLE_DEF:
{
Eterm* ptr = tuple_val(term);
@@ -976,7 +997,7 @@ tail_recur:
op = MAKE_HASH_TUPLE_OP;
}/*fall through*/
case MAKE_HASH_TUPLE_OP:
- case MAKE_HASH_FUN_OP:
+ case MAKE_HASH_TERM_ARRAY_OP:
{
Uint i = (Uint) WSTACK_POP(stack);
Eterm* ptr = (Eterm*) WSTACK_POP(stack);
@@ -1070,9 +1091,11 @@ Uint32
make_hash2(Eterm term)
{
Uint32 hash;
+ Uint32 hash_xor_keys = 0;
+ Uint32 hash_xor_values = 0;
DeclareTmpHeapNoproc(tmp_big,2);
-/* (HCONST * {2, ..., 14}) mod 2^32 */
+/* (HCONST * {2, ..., 16}) mod 2^32 */
#define HCONST_2 0x3c6ef372UL
#define HCONST_3 0xdaa66d2bUL
#define HCONST_4 0x78dde6e4UL
@@ -1087,6 +1110,11 @@ make_hash2(Eterm term)
#define HCONST_13 0x08d12e65UL
#define HCONST_14 0xa708a81eUL
#define HCONST_15 0x454021d7UL
+#define HCONST_16 0xe3779b90UL
+
+#define HASH_MAP_TAIL (_make_header(1,_TAG_HEADER_REF))
+#define HASH_MAP_KEY (_make_header(2,_TAG_HEADER_REF))
+#define HASH_MAP_VAL (_make_header(3,_TAG_HEADER_REF))
#define UINT32_HASH_2(Expr1, Expr2, AConst) \
do { \
@@ -1182,11 +1210,45 @@ make_hash2(Eterm term)
UINT32_HASH(arity, HCONST_9);
if (arity == 0) /* Empty tuple */
goto hash2_common;
- for (i = arity; i >= 2; i--) {
+ for (i = arity; i >= 1; i--) {
tmp = elem[i];
ESTACK_PUSH(s, tmp);
}
- term = elem[1];
+ goto hash2_common;
+ }
+ break;
+ case MAP_SUBTAG:
+ {
+ map_t *mp = (map_t *)map_val(term);
+ int i;
+ int size = map_get_size(mp);
+ Eterm *ks = map_get_keys(mp);
+ Eterm *vs = map_get_values(mp);
+ UINT32_HASH(size, HCONST_16);
+ if (size == 0) {
+ goto hash2_common;
+ }
+ ESTACK_PUSH(s, hash_xor_values);
+ ESTACK_PUSH(s, hash_xor_keys);
+ ESTACK_PUSH(s, hash);
+ ESTACK_PUSH(s, HASH_MAP_TAIL);
+ hash = 0;
+ hash_xor_keys = 0;
+ hash_xor_values = 0;
+ for (i = size - 1; i >= 0; i--) {
+ tmp = vs[i];
+ ESTACK_PUSH(s, HASH_MAP_VAL);
+ ESTACK_PUSH(s, tmp);
+ }
+ /* We do not want to expose the tuple representation.
+ * Do not push the keys as a tuple.
+ */
+ for (i = size - 1; i >= 0; i--) {
+ tmp = ks[i];
+ ESTACK_PUSH(s, HASH_MAP_KEY);
+ ESTACK_PUSH(s, tmp);
+ }
+ goto hash2_common;
}
break;
case EXPORT_SUBTAG:
@@ -1380,15 +1442,47 @@ make_hash2(Eterm term)
default:
erl_exit(1, "Invalid tag in make_hash2(0x%X)\n", term);
hash2_common:
+
+ /* Uint32 hash always has the hash value of the previous term,
+ * compounded or otherwise.
+ */
+
if (ESTACK_ISEMPTY(s)) {
DESTROY_ESTACK(s);
UnUseTmpHeapNoproc(2);
return hash;
}
+
term = ESTACK_POP(s);
+
+ switch (term) {
+ case HASH_MAP_TAIL: {
+ hash = (Uint32) ESTACK_POP(s);
+ UINT32_HASH(hash_xor_keys, HCONST_16);
+ UINT32_HASH(hash_xor_values, HCONST_16);
+ hash_xor_keys = (Uint32) ESTACK_POP(s);
+ hash_xor_values = (Uint32) ESTACK_POP(s);
+ goto hash2_common;
+ }
+ case HASH_MAP_KEY:
+ hash_xor_keys ^= hash;
+ hash = 0;
+ goto hash2_common;
+ case HASH_MAP_VAL:
+ hash_xor_values ^= hash;
+ hash = 0;
+ goto hash2_common;
+ default:
+ break;
+ }
}
}
}
+
+#undef HASH_MAP_TAIL
+#undef HASH_MAP_KEY
+#undef HASH_MAP_VAL
+
#undef UINT32_HASH_2
#undef UINT32_HASH
#undef SINT32_HASH
@@ -1490,7 +1584,7 @@ tail_recur:
hash = hash*FUNNY_NUMBER2 + funp->fe->old_uniq;
if (num_free > 0) {
if (num_free > 1) {
- WSTACK_PUSH3(stack, (UWord) &funp->env[1], (num_free-1), MAKE_HASH_FUN_OP);
+ WSTACK_PUSH3(stack, (UWord) &funp->env[1], (num_free-1), MAKE_HASH_TERM_ARRAY_OP);
}
term = funp->env[0];
goto tail_recur;
@@ -1603,6 +1697,24 @@ tail_recur:
}
break;
+ case MAP_DEF:
+ {
+ map_t *mp = (map_t *)map_val(term);
+ int size = map_get_size(mp);
+ Eterm *ks = map_get_keys(mp);
+ Eterm *vs = map_get_values(mp);
+
+ /* Use a prime with size to remedy some of
+ * the {} and <<>> hash problems */
+ hash = hash*FUNNY_NUMBER13 + FUNNY_NUMBER14 + size;
+ if (size == 0)
+ break;
+
+ /* push values first */
+ WSTACK_PUSH3(stack, (UWord)vs, (UWord) size, MAKE_HASH_TERM_ARRAY_OP);
+ WSTACK_PUSH3(stack, (UWord)ks, (UWord) size, MAKE_HASH_TERM_ARRAY_OP);
+ break;
+ }
case TUPLE_DEF:
{
Eterm* ptr = tuple_val(term);
@@ -1612,7 +1724,7 @@ tail_recur:
op = MAKE_HASH_TUPLE_OP;
}/*fall through*/
case MAKE_HASH_TUPLE_OP:
- case MAKE_HASH_FUN_OP:
+ case MAKE_HASH_TERM_ARRAY_OP:
{
Uint i = (Uint) WSTACK_POP(stack);
Eterm* ptr = (Eterm*) WSTACK_POP(stack);
@@ -1640,7 +1752,7 @@ tail_recur:
return hash;
#undef MAKE_HASH_TUPLE_OP
-#undef MAKE_HASH_FUN_OP
+#undef MAKE_HASH_TERM_ARRAY_OP
#undef MAKE_HASH_CDR_PRE_OP
#undef MAKE_HASH_CDR_POST_OP
}
@@ -2007,6 +2119,18 @@ tailrecur_ne:
++bb;
goto term_array;
}
+ case MAP_SUBTAG:
+ {
+ aa = map_val_rel(a, a_base);
+ if (!is_boxed(b) || *boxed_val_rel(b,b_base) != *aa)
+ goto not_equal;
+ bb = map_val_rel(b,b_base);
+ if ((sz = map_get_size((map_t*)aa)) == 0) goto pop_next;
+ aa += 2;
+ bb += 2;
+ sz += 1; /* increment for tuple-keys */
+ goto term_array;
+ }
case REFC_BINARY_SUBTAG:
case HEAP_BINARY_SUBTAG:
case SUB_BINARY_SUBTAG:
@@ -2281,7 +2405,7 @@ static int cmpbytes(byte *s1, int l1, byte *s2, int l2)
*
* According to the Erlang Standard, types are orderered as follows:
* numbers < (characters) < atoms < refs < funs < ports < pids <
- * tuples < [] < conses < binaries.
+ * tuples < maps < [] < conses < binaries.
*
* Note that characters are currently not implemented.
*
@@ -2301,10 +2425,14 @@ static int cmp_atoms(Eterm a, Eterm b)
bb->name+3, bb->len-3);
}
+/* cmp(Eterm a, Eterm b, int exact)
+ * exact = 1 -> term-based compare
+ * exact = 0 -> arith-based compare
+ */
#if HALFWORD_HEAP
-Sint cmp_rel(Eterm a, Eterm* a_base, Eterm b, Eterm* b_base)
+Sint cmp_rel_opt(Eterm a, Eterm* a_base, Eterm b, Eterm* b_base, int exact)
#else
-Sint cmp(Eterm a, Eterm b)
+Sint cmp(Eterm a, Eterm b, int exact)
#endif
{
DECLARE_WSTACK(stack);
@@ -2464,7 +2592,25 @@ tailrecur_ne:
++aa;
++bb;
goto term_array;
+ case (_TAG_HEADER_MAP >> _TAG_PRIMARY_SIZE) :
+ if (!is_map_rel(b,b_base)) {
+ a_tag = MAP_DEF;
+ goto mixed_types;
+ }
+ aa = (Eterm *)map_val_rel(a,a_base);
+ bb = (Eterm *)map_val_rel(b,b_base);
+ i = map_get_size((map_t*)aa);
+ if (i != map_get_size((map_t*)bb)) {
+ RETURN_NEQ((int)(i - map_get_size((map_t*)bb)));
+ }
+ if (i == 0) {
+ goto pop_next;
+ }
+ aa += 2;
+ bb += 2;
+ i += 1; /* increment for tuple-keys */
+ goto term_array;
case (_TAG_HEADER_FLOAT >> _TAG_PRIMARY_SIZE):
if (!is_float_rel(b,b_base)) {
a_tag = FLOAT_DEF;
@@ -2710,6 +2856,7 @@ tailrecur_ne:
j = big_sign(aw) ? -1 : 1;
break;
case SMALL_FLOAT:
+ if (exact) goto exact_fall_through;
GET_DOUBLE(bw, f2);
if (f2.fd < MAX_LOSSLESS_FLOAT && f2.fd > MIN_LOSSLESS_FLOAT) {
/* Float is within the no loss limit */
@@ -2735,12 +2882,14 @@ tailrecur_ne:
#endif /* ERTS_SIZEOF_ETERM == 8 */
break;
case FLOAT_BIG:
+ if (exact) goto exact_fall_through;
{
Wterm tmp = aw;
aw = bw;
bw = tmp;
}/* fall through */
case BIG_FLOAT:
+ if (exact) goto exact_fall_through;
GET_DOUBLE(bw, f2);
if ((f2.fd < (double) (MAX_SMALL + 1))
&& (f2.fd > (double) (MIN_SMALL - 1))) {
@@ -2770,6 +2919,7 @@ tailrecur_ne:
}
break;
case FLOAT_SMALL:
+ if (exact) goto exact_fall_through;
GET_DOUBLE(aw, f1);
if (f1.fd < MAX_LOSSLESS_FLOAT && f1.fd > MIN_LOSSLESS_FLOAT) {
/* Float is within the no loss limit */
@@ -2794,6 +2944,7 @@ tailrecur_ne:
}
#endif /* ERTS_SIZEOF_ETERM == 8 */
break;
+exact_fall_through:
default:
j = b_tag - a_tag;
}
diff --git a/erts/emulator/hipe/hipe_bif2.c b/erts/emulator/hipe/hipe_bif2.c
index e09988e2c5..c3687681cf 100644
--- a/erts/emulator/hipe/hipe_bif2.c
+++ b/erts/emulator/hipe/hipe_bif2.c
@@ -31,6 +31,7 @@
#include "erl_process.h"
#include "bif.h"
#include "big.h"
+#include "erl_map.h"
#include "hipe_debug.h"
#include "hipe_mode_switch.h"
#include "hipe_arch.h"
diff --git a/erts/emulator/hipe/hipe_debug.c b/erts/emulator/hipe/hipe_debug.c
index bf25ba82af..32694a8f97 100644
--- a/erts/emulator/hipe/hipe_debug.c
+++ b/erts/emulator/hipe/hipe_debug.c
@@ -36,6 +36,7 @@
#include "beam_load.h"
#include "hipe_mode_switch.h"
#include "hipe_debug.h"
+#include "erl_map.h"
static const char dashes[2*sizeof(long)+5] = {
[0 ... 2*sizeof(long)+3] = '-'
diff --git a/erts/emulator/test/Makefile b/erts/emulator/test/Makefile
index f02ca3cb98..0b0568c31a 100644
--- a/erts/emulator/test/Makefile
+++ b/erts/emulator/test/Makefile
@@ -68,6 +68,7 @@ MODULES= \
hash_SUITE \
hibernate_SUITE \
list_bif_SUITE \
+ map_SUITE \
match_spec_SUITE \
module_info_SUITE \
monitor_SUITE \
diff --git a/erts/emulator/test/map_SUITE.erl b/erts/emulator/test/map_SUITE.erl
new file mode 100644
index 0000000000..31c1486f1c
--- /dev/null
+++ b/erts/emulator/test/map_SUITE.erl
@@ -0,0 +1,1056 @@
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2013. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+-module(map_SUITE).
+-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
+ init_per_group/2,end_per_group/2
+ ]).
+
+-export([
+ t_build_and_match_literals/1,
+ t_update_literals/1,t_match_and_update_literals/1,
+ t_update_map_expressions/1,
+ t_update_assoc/1,t_update_exact/1,
+ t_guard_bifs/1, t_guard_sequence/1, t_guard_update/1,
+ t_guard_receive/1, t_guard_fun/1,
+ t_list_comprehension/1,
+ t_map_sort_literals/1,
+ %t_size/1,
+ t_map_size/1,
+
+ %% Specific Map BIFs
+ t_bif_map_get/1,
+ t_bif_map_find/1,
+ t_bif_map_is_key/1,
+ t_bif_map_keys/1,
+ t_bif_map_merge/1,
+ t_bif_map_new/1,
+ t_bif_map_put/1,
+ t_bif_map_remove/1,
+ t_bif_map_update/1,
+ t_bif_map_values/1,
+ t_bif_map_to_list/1,
+ t_bif_map_from_list/1,
+
+ %% erlang
+ t_erlang_hash/1,
+ t_map_encode_decode/1,
+
+ %% maps module not bifs
+ t_maps_fold/1,
+ t_maps_map/1,
+ t_maps_size/1,
+ t_maps_without/1,
+
+ %% misc
+ t_pdict/1,
+ t_ets/1,
+ t_dets/1,
+ t_tracing/1
+ ]).
+
+-include_lib("stdlib/include/ms_transform.hrl").
+
+suite() -> [].
+
+all() -> [
+ t_build_and_match_literals,
+ t_update_literals, t_match_and_update_literals,
+ t_update_map_expressions,
+ t_update_assoc,t_update_exact,
+ t_guard_bifs, t_guard_sequence, t_guard_update,
+ t_guard_receive,t_guard_fun, t_list_comprehension,
+ t_map_sort_literals,
+
+ %% Specific Map BIFs
+ t_bif_map_get,t_bif_map_find,t_bif_map_is_key,
+ t_bif_map_keys, t_bif_map_merge, t_bif_map_new,
+ t_bif_map_put,
+ t_bif_map_remove, t_bif_map_update,
+ t_bif_map_values,
+ t_bif_map_to_list, t_bif_map_from_list,
+
+ %% erlang
+ t_erlang_hash, t_map_encode_decode,
+ t_map_size,
+
+ %% maps module
+ t_maps_fold, t_maps_map,
+ t_maps_size, t_maps_without,
+
+
+ %% Other functions
+ t_pdict,
+ t_ets,
+ t_tracing
+ ].
+
+groups() -> [].
+
+init_per_suite(Config) -> Config.
+end_per_suite(_Config) -> ok.
+
+init_per_group(_GroupName, Config) -> Config.
+end_per_group(_GroupName, Config) -> Config.
+
+%% tests
+
+t_build_and_match_literals(Config) when is_list(Config) ->
+ #{} = id(#{}),
+ #{1:=a} = id(#{1=>a}),
+ #{1:=a,2:=b} = id(#{1=>a,2=>b}),
+ #{1:=a,2:=b,3:="c"} = id(#{1=>a,2=>b,3=>"c"}),
+ #{1:=a,2:=b,3:="c","4":="d"} = id(#{1=>a,2=>b,3=>"c","4"=>"d"}),
+ #{1:=a,2:=b,3:="c","4":="d",<<"5">>:=<<"e">>} =
+ id(#{1=>a,2=>b,3=>"c","4"=>"d",<<"5">>=><<"e">>}),
+ #{1:=a,2:=b,3:="c","4":="d",<<"5">>:=<<"e">>,{"6",7}:="f"} =
+ id(#{1=>a,2=>b,3=>"c","4"=>"d",<<"5">>=><<"e">>,{"6",7}=>"f"}),
+ #{1:=a,2:=b,3:="c","4":="d",<<"5">>:=<<"e">>,{"6",7}:="f",8:=g} =
+ id(#{1=>a,2=>b,3=>"c","4"=>"d",<<"5">>=><<"e">>,{"6",7}=>"f",8=>g}),
+
+ #{<<"hi all">> := 1} = id(#{<<"hi",32,"all">> => 1}),
+
+ #{a:=X,a:=X=3,b:=4} = id(#{a=>3,b=>4}), % weird but ok =)
+
+ #{ a:=#{ b:=#{c := third, b:=second}}, b:=first} =
+ id(#{ b=>first, a=>#{ b=>#{c => third, b=> second}}}),
+
+ M = #{ map_1=>#{ map_2=>#{value_3 => third}, value_2=> second}, value_1=>first},
+ M = #{ map_1:=#{ map_2:=#{value_3 := third}, value_2:= second}, value_1:=first} =
+ id(#{ map_1=>#{ map_2=>#{value_3 => third}, value_2=> second}, value_1=>first}),
+
+ %% error case
+ %V = 32,
+ %{'EXIT',{{badmatch,_},_}} = (catch (#{<<"hi all">> => 1} = id(#{<<"hi",V,"all">> => 1}))),
+ {'EXIT',{{badmatch,_},_}} = (catch (#{x:=3,x:=2} = id(#{x=>3}))),
+ {'EXIT',{{badmatch,_},_}} = (catch (#{x:=2} = id(#{x=>3}))),
+ {'EXIT',{{badmatch,_},_}} = (catch (#{x:=3} = id({a,b,c}))),
+ {'EXIT',{{badmatch,_},_}} = (catch (#{x:=3} = id(#{y=>3}))),
+ {'EXIT',{{badmatch,_},_}} = (catch (#{x:=3} = id(#{x=>"three"}))),
+ ok.
+
+
+%% Tests size(Map).
+%% not implemented, perhaps it shouldn't be either
+
+%t_size(Config) when is_list(Config) ->
+% 0 = size(#{}),
+% 1 = size(#{a=>1}),
+% 1 = size(#{a=>#{a=>1}}),
+% 2 = size(#{a=>1, b=>2}),
+% 3 = size(#{a=>1, b=>2, b=>"3"}),
+% ok.
+
+t_map_size(Config) when is_list(Config) ->
+ 0 = map_size(id(#{})),
+ 1 = map_size(id(#{a=>1})),
+ 1 = map_size(id(#{a=>"wat"})),
+ 2 = map_size(id(#{a=>1, b=>2})),
+ 3 = map_size(id(#{a=>1, b=>2, b=>"3","33"=><<"n">>})),
+
+ true = map_is_size(#{a=>1}, 1),
+ true = map_is_size(#{a=>1, a=>2}, 1),
+ M = #{ "a" => 1, "b" => 2},
+ true = map_is_size(M, 2),
+ false = map_is_size(M, 3),
+ true = map_is_size(M#{ "a" => 2}, 2),
+ false = map_is_size(M#{ "c" => 2}, 2),
+
+ %% Error cases.
+ {'EXIT',{badarg,_}} = (catch map_size([])),
+ {'EXIT',{badarg,_}} = (catch map_size(<<1,2,3>>)),
+ {'EXIT',{badarg,_}} = (catch map_size(1)),
+ ok.
+
+map_is_size(M,N) when map_size(M) =:= N -> true;
+map_is_size(_,_) -> false.
+
+% test map updates without matching
+t_update_literals(Config) when is_list(Config) ->
+ Map = #{x=>1,y=>2,z=>3,q=>4},
+ #{x:="d",q:="4"} = loop_update_literals_x_q(Map, [
+ {"a","1"},{"b","2"},{"c","3"},{"d","4"}
+ ]),
+ ok.
+
+loop_update_literals_x_q(Map, []) -> Map;
+loop_update_literals_x_q(Map, [{X,Q}|Vs]) ->
+ loop_update_literals_x_q(Map#{q=>Q,x=>X},Vs).
+
+% test map updates with matching
+t_match_and_update_literals(Config) when is_list(Config) ->
+ Map = #{x=>0,y=>"untouched",z=>"also untouched",q=>1},
+ #{x:=16,q:=21,y:="untouched",z:="also untouched"} = loop_match_and_update_literals_x_q(Map, [
+ {1,2},{3,4},{5,6},{7,8}
+ ]),
+ M0 = id(#{ "hi" => "hello", int => 3, <<"key">> => <<"value">>,
+ 4 => number, 18446744073709551629 => wat}),
+ M1 = id(#{}),
+ M2 = M1#{ "hi" => "hello", int => 3, <<"key">> => <<"value">>,
+ 4 => number, 18446744073709551629 => wat},
+ M0 = M2,
+
+ #{ 4 := another_number, int := 3 } = M2#{ 4 => another_number },
+ ok.
+
+loop_match_and_update_literals_x_q(Map, []) -> Map;
+loop_match_and_update_literals_x_q(#{q:=Q0,x:=X0} = Map, [{X,Q}|Vs]) ->
+ loop_match_and_update_literals_x_q(Map#{q=>Q0+Q,x=>X0+X},Vs).
+
+
+t_update_map_expressions(Config) when is_list(Config) ->
+ M = maps:new(),
+ #{ a := 1 } = M#{a => 1},
+
+ #{ b := 2 } = (maps:new())#{ b => 2 },
+
+ #{ a :=42, b:=42, c:=42 } = (maps:from_list([{a,1},{b,2},{c,3}]))#{ a := 42, b := 42, c := 42 },
+ #{ "a" :=1, "b":=42, "c":=42 } = (maps:from_list([{"a",1},{"b",2}]))#{ "b" := 42, "c" => 42 },
+
+ %% Error cases, FIXME: should be 'badmap'?
+ {'EXIT',{badarg,_}} = (catch (id(<<>>))#{ a := 42, b => 2 }),
+ {'EXIT',{badarg,_}} = (catch (id([]))#{ a := 42, b => 2 }),
+ ok.
+
+
+t_update_assoc(Config) when is_list(Config) ->
+ M0 = id(#{1=>a,2=>b,3.0=>c,4=>d,5=>e}),
+
+ M1 = M0#{1=>42,2=>100,4=>[a,b,c]},
+ #{1:=42,2:=100,3.0:=c,4:=[a,b,c],5:=e} = M1,
+ #{1:=42,2:=b,4:=d,5:=e,2.0:=100,3.0:=c,4.0:=[a,b,c]} = M0#{1.0=>float,1:=42,2.0=>wrong,2.0=>100,4.0=>[a,b,c]},
+
+ M2 = M0#{3.0=>new},
+ #{1:=a,2:=b,3.0:=new,4:=d,5:=e} = M2,
+ M2 = M0#{3.0:=wrong,3.0=>new},
+
+ %% Errors cases.
+ BadMap = id(badmap),
+ {'EXIT',{badarg,_}} = (catch BadMap#{nonexisting=>val}),
+
+ ok.
+
+t_update_exact(Config) when is_list(Config) ->
+ M0 = id(#{1=>a,2=>b,3.0=>c,4=>d,5=>e}),
+
+ M1 = M0#{1:=42,2:=100,4:=[a,b,c]},
+ #{1:=42,2:=100,3.0:=c,4:=[a,b,c],5:=e} = M1,
+ M1 = M0#{1:=wrong,1=>42,2=>wrong,2:=100,4:=[a,b,c]},
+
+ M2 = M0#{3.0:=new},
+ #{1:=a,2:=b,3.0:=new,4:=d,5:=e} = M2,
+ M2 = M0#{3.0=>wrong,3.0:=new},
+ M2 = M0#{3=>wrong,3.0:=new},
+
+ %% Errors cases.
+ {'EXIT',{badarg,_}} = (catch M0#{nonexisting:=val}),
+ {'EXIT',{badarg,_}} = (catch M0#{1.0:=v,1.0=>v2}),
+ {'EXIT',{badarg,_}} = (catch M0#{42.0:=v,42:=v2}),
+ {'EXIT',{badarg,_}} = (catch M0#{42=>v1,42.0:=v2,42:=v3}),
+
+ ok.
+
+t_guard_bifs(Config) when is_list(Config) ->
+ true = map_guard_head(#{a=>1}),
+ false = map_guard_head([]),
+ true = map_guard_body(#{a=>1}),
+ false = map_guard_body({}),
+ true = map_guard_pattern(#{a=>1, <<"hi">> => "hi" }),
+ false = map_guard_pattern("list"),
+ ok.
+
+map_guard_head(M) when is_map(M) -> true;
+map_guard_head(_) -> false.
+
+map_guard_body(M) -> is_map(M).
+
+map_guard_pattern(#{}) -> true;
+map_guard_pattern(_) -> false.
+
+t_guard_sequence(Config) when is_list(Config) ->
+ {1, "a"} = map_guard_sequence_1(#{seq=>1,val=>id("a")}),
+ {2, "b"} = map_guard_sequence_1(#{seq=>2,val=>id("b")}),
+ {3, "c"} = map_guard_sequence_1(#{seq=>3,val=>id("c")}),
+ {4, "d"} = map_guard_sequence_1(#{seq=>4,val=>id("d")}),
+ {5, "e"} = map_guard_sequence_1(#{seq=>5,val=>id("e")}),
+
+ {1,M1} = map_guard_sequence_2(M1 = id(#{a=>3})),
+ {2,M2} = map_guard_sequence_2(M2 = id(#{a=>4, b=>4})),
+ {3,gg,M3} = map_guard_sequence_2(M3 = id(#{a=>gg, b=>4})),
+ {4,sc,sc,M4} = map_guard_sequence_2(M4 = id(#{a=>sc, b=>3, c=>sc2})),
+ {5,kk,kk,M5} = map_guard_sequence_2(M5 = id(#{a=>kk, b=>other, c=>sc2})),
+
+ %% error case
+ {'EXIT',{function_clause,_}} = (catch map_guard_sequence_1(#{seq=>6,val=>id("e")})),
+ {'EXIT',{function_clause,_}} = (catch map_guard_sequence_2(#{b=>5})),
+ ok.
+
+map_guard_sequence_1(#{seq:=1=Seq, val:=Val}) -> {Seq,Val};
+map_guard_sequence_1(#{seq:=2=Seq, val:=Val}) -> {Seq,Val};
+map_guard_sequence_1(#{seq:=3=Seq, val:=Val}) -> {Seq,Val};
+map_guard_sequence_1(#{seq:=4=Seq, val:=Val}) -> {Seq,Val};
+map_guard_sequence_1(#{seq:=5=Seq, val:=Val}) -> {Seq,Val}.
+
+map_guard_sequence_2(#{ a:=3 }=M) -> {1, M};
+map_guard_sequence_2(#{ a:=4 }=M) -> {2, M};
+map_guard_sequence_2(#{ a:=X, a:=X, b:=4 }=M) -> {3,X,M};
+map_guard_sequence_2(#{ a:=X, a:=Y, b:=3 }=M) when X =:= Y -> {4,X,Y,M};
+map_guard_sequence_2(#{ a:=X, a:=Y }=M) when X =:= Y -> {5,X,Y,M}.
+
+
+t_guard_update(Config) when is_list(Config) ->
+ error = map_guard_update(#{},#{}),
+ first = map_guard_update(#{}, #{x=>first}),
+ second = map_guard_update(#{y=>old}, #{x=>second,y=>old}),
+ ok.
+
+map_guard_update(M1, M2) when M1#{x=>first} =:= M2 -> first;
+map_guard_update(M1, M2) when M1#{x=>second} =:= M2 -> second;
+map_guard_update(_, _) -> error.
+
+t_guard_receive(Config) when is_list(Config) ->
+ M0 = #{ id => 0 },
+ Pid = spawn_link(fun() -> guard_receive_loop() end),
+ Big = 36893488147419103229,
+ B1 = <<"some text">>,
+ B2 = <<"was appended">>,
+ B3 = <<B1/binary, B2/binary>>,
+
+ #{id:=1, res:=Big} = M1 = call(Pid, M0#{op=>sub,in=>{1 bsl 65, 3}}),
+ #{id:=2, res:=26} = M2 = call(Pid, M1#{op=>idiv,in=>{53,2}}),
+ #{id:=3, res:=832} = M3 = call(Pid, M2#{op=>imul,in=>{26,32}}),
+ #{id:=4, res:=4} = M4 = call(Pid, M3#{op=>add,in=>{1,3}}),
+ #{id:=5, res:=Big} = M5 = call(Pid, M4#{op=>sub,in=>{1 bsl 65, 3}}),
+ #{id:=6, res:=B3} = M6 = call(Pid, M5#{op=>"append",in=>{B1,B2}}),
+ #{id:=7, res:=4} = _ = call(Pid, M6#{op=>add,in=>{1,3}}),
+
+
+ %% update old maps and check id update
+ #{id:=2, res:=B3} = call(Pid, M1#{op=>"append",in=>{B1,B2}}),
+ #{id:=5, res:=99} = call(Pid, M4#{op=>add,in=>{33, 66}}),
+
+ %% cleanup
+ done = call(Pid, done),
+ ok.
+
+call(Pid, M) ->
+ Pid ! {self(), M}, receive {Pid, Res} -> Res end.
+
+guard_receive_loop() ->
+ receive
+ {Pid, #{ id:=Id, op:="append", in:={X,Y}}=M} when is_binary(X), is_binary(Y) ->
+ Pid ! {self(), M#{ id=>Id+1, res=><<X/binary,Y/binary>>}},
+ guard_receive_loop();
+ {Pid, #{ id:=Id, op:=add, in:={X,Y}}} ->
+ Pid ! {self(), #{ id=>Id+1, res=>X+Y}},
+ guard_receive_loop();
+ {Pid, #{ id:=Id, op:=sub, in:={X,Y}}=M} ->
+ Pid ! {self(), M#{ id=>Id+1, res=>X-Y}},
+ guard_receive_loop();
+ {Pid, #{ id:=Id, op:=idiv, in:={X,Y}}=M} ->
+ Pid ! {self(), M#{ id=>Id+1, res=>X div Y}},
+ guard_receive_loop();
+ {Pid, #{ id:=Id, op:=imul, in:={X,Y}}=M} ->
+ Pid ! {self(), M#{ id=>Id+1, res=>X * Y}},
+ guard_receive_loop();
+ {Pid, done} ->
+ Pid ! {self(), done};
+ {Pid, Other} ->
+ Pid ! {error, Other},
+ guard_receive_loop()
+ end.
+
+
+t_list_comprehension(Config) when is_list(Config) ->
+ [#{k:=1},#{k:=2},#{k:=3}] = [#{k=>I} || I <- [1,2,3]],
+ ok.
+
+t_guard_fun(Config) when is_list(Config) ->
+ F1 = fun
+ (#{s:=v,v:=V}) -> {v,V};
+ (#{s:=t,v:={V,V}}) -> {t,V};
+ (#{s:=l,v:=[V,V]}) -> {l,V}
+ end,
+
+ F2 = fun
+ (#{s:=T,v:={V,V}}) -> {T,V};
+ (#{s:=T,v:=[V,V]}) -> {T,V};
+ (#{s:=T,v:=V}) -> {T,V}
+ end,
+ V = <<"hi">>,
+
+ {v,V} = F1(#{s=>v,v=>V}),
+ {t,V} = F1(#{s=>t,v=>{V,V}}),
+ {l,V} = F1(#{s=>l,v=>[V,V]}),
+
+ {v,V} = F2(#{s=>v,v=>V}),
+ {t,V} = F2(#{s=>t,v=>{V,V}}),
+ {l,V} = F2(#{s=>l,v=>[V,V]}),
+
+ %% error case
+ {'EXIT', {function_clause,[{?MODULE,_,[#{s:=none,v:=none}],_}|_]}} = (catch F1(#{s=>none,v=>none})),
+ ok.
+
+
+t_map_sort_literals(Config) when is_list(Config) ->
+ % test relation
+
+ %% size order
+ true = #{ a => 1, b => 2} < id(#{ a => 1, b => 1, c => 1}),
+ true = #{ b => 1, a => 1} < id(#{ c => 1, a => 1, b => 1}),
+ false = #{ c => 1, b => 1, a => 1} < id(#{ c => 1, a => 1}),
+
+ %% key order
+ true = #{ a => 1 } < id(#{ b => 1}),
+ false = #{ b => 1 } < id(#{ a => 1}),
+ true = #{ a => 1, b => 1, c => 1 } < id(#{ b => 1, c => 1, d => 1}),
+ true = #{ b => 1, c => 1, d => 1 } > id(#{ a => 1, b => 1, c => 1}),
+ true = #{ c => 1, b => 1, a => 1 } < id(#{ b => 1, c => 1, d => 1}),
+ true = #{ "a" => 1 } < id(#{ <<"a">> => 1}),
+ false = #{ <<"a">> => 1 } < id(#{ "a" => 1}),
+ false = #{ 1 => 1 } < id(#{ 1.0 => 1}),
+ false = #{ 1.0 => 1 } < id(#{ 1 => 1}),
+
+ %% value order
+ true = #{ a => 1 } < id(#{ a => 2}),
+ false = #{ a => 2 } < id(#{ a => 1}),
+ false = #{ a => 2, b => 1 } < id(#{ a => 1, b => 3}),
+ true = #{ a => 1, b => 1 } < id(#{ a => 1, b => 3}),
+
+ true = #{ "a" => "hi", b => 134 } == id(#{ b => 134,"a" => "hi"}),
+
+ %% lists:sort
+
+ SortVs = [#{"a"=>1},#{a=>2},#{1=>3},#{<<"a">>=>4}],
+ [#{1:=ok},#{a:=ok},#{"a":=ok},#{<<"a">>:=ok}] = lists:sort([#{"a"=>ok},#{a=>ok},#{1=>ok},#{<<"a">>=>ok}]),
+ [#{1:=3},#{a:=2},#{"a":=1},#{<<"a">>:=4}] = lists:sort(SortVs),
+ [#{1:=3},#{a:=2},#{"a":=1},#{<<"a">>:=4}] = lists:sort(lists:reverse(SortVs)),
+
+ ok.
+
+%% BIFs
+t_bif_map_get(Config) when is_list(Config) ->
+
+ 1 = maps:get(a, #{ a=> 1}),
+ 2 = maps:get(b, #{ a=> 1, b => 2}),
+ "hi" = maps:get("hello", #{ a=>1, "hello" => "hi"}),
+ "tuple hi" = maps:get({1,1.0}, #{ a=>a, {1,1.0} => "tuple hi"}),
+
+ M = id(#{ k1=>"v1", <<"k2">> => <<"v3">> }),
+ "v4" = maps:get(<<"k2">>, M#{ <<"k2">> => "v4" }),
+
+ %% error case
+ {'EXIT',{badarg, [{maps,get,_,_}|_]}} = (catch maps:get(a,[])),
+ {'EXIT',{badarg, [{maps,get,_,_}|_]}} = (catch maps:get(a,<<>>)),
+ {'EXIT',{bad_key,[{maps,get,_,_}|_]}} = (catch maps:get({1,1}, #{{1,1.0} => "tuple"})),
+ {'EXIT',{bad_key,[{maps,get,_,_}|_]}} = (catch maps:get(a,#{})),
+ {'EXIT',{bad_key,[{maps,get,_,_}|_]}} = (catch maps:get(a,#{ b=>1, c=>2})),
+ ok.
+
+t_bif_map_find(Config) when is_list(Config) ->
+
+ {ok, 1} = maps:find(a, #{ a=> 1}),
+ {ok, 2} = maps:find(b, #{ a=> 1, b => 2}),
+ {ok, "int"} = maps:find(1, #{ 1 => "int"}),
+ {ok, "float"} = maps:find(1.0, #{ 1.0=> "float"}),
+
+ {ok, "hi"} = maps:find("hello", #{ a=>1, "hello" => "hi"}),
+ {ok, "tuple hi"} = maps:find({1,1.0}, #{ a=>a, {1,1.0} => "tuple hi"}),
+
+ M = id(#{ k1=>"v1", <<"k2">> => <<"v3">> }),
+ {ok, "v4"} = maps:find(<<"k2">>, M#{ <<"k2">> => "v4" }),
+
+ %% error case
+ error = maps:find(a,#{}),
+ error = maps:find(a,#{b=>1, c=>2}),
+ error = maps:find(1.0, #{ 1 => "int"}),
+ error = maps:find(1, #{ 1.0 => "float"}),
+ error = maps:find({1.0,1}, #{ a=>a, {1,1.0} => "tuple hi"}), % reverse types in tuple key
+
+
+ {'EXIT',{badarg,[{maps,find,_,_}|_]}} = (catch maps:find(a,id([]))),
+ {'EXIT',{badarg,[{maps,find,_,_}|_]}} = (catch maps:find(a,id(<<>>))),
+ ok.
+
+
+t_bif_map_is_key(Config) when is_list(Config) ->
+ M1 = #{ "hi" => "hello", int => 3, <<"key">> => <<"value">>, 4 => number},
+
+ true = maps:is_key("hi", M1),
+ true = maps:is_key(int, M1),
+ true = maps:is_key(<<"key">>, M1),
+ true = maps:is_key(4, M1),
+
+ false = maps:is_key(5, M1),
+ false = maps:is_key(<<"key2">>, M1),
+ false = maps:is_key("h", M1),
+ false = maps:is_key("hello", M1),
+ false = maps:is_key(atom, M1),
+ false = maps:is_key(any, id(#{})),
+
+ false = maps:is_key("hi", maps:remove("hi", M1)),
+ true = maps:is_key("hi", M1),
+ true = maps:is_key(1, maps:put(1, "number", M1)),
+ false = maps:is_key(1.0, maps:put(1, "number", M1)),
+
+ %% error case
+ {'EXIT',{badarg,[{maps,is_key,_,_}|_]}} = (catch maps:is_key(a,id([]))),
+ {'EXIT',{badarg,[{maps,is_key,_,_}|_]}} = (catch maps:is_key(a,id(<<>>))),
+ ok.
+
+t_bif_map_keys(Config) when is_list(Config) ->
+ [] = maps:keys(#{}),
+
+ [1,2,3,4,5] = maps:keys(#{ 1 => a, 2 => b, 3 => c, 4 => d, 5 => e}),
+ [1,2,3,4,5] = maps:keys(#{ 4 => d, 5 => e, 1 => a, 2 => b, 3 => c}),
+
+ % values in key order: [4,int,"hi",<<"key">>]
+ M1 = #{ "hi" => "hello", int => 3, <<"key">> => <<"value">>, 4 => number},
+ [4,int,"hi",<<"key">>] = maps:keys(M1),
+
+ %% error case
+ {'EXIT',{badarg,[{maps,keys,_,_}|_]}} = (catch maps:keys(1 bsl 65 + 3)),
+ {'EXIT',{badarg,[{maps,keys,_,_}|_]}} = (catch maps:keys(154)),
+ {'EXIT',{badarg,[{maps,keys,_,_}|_]}} = (catch maps:keys(atom)),
+ {'EXIT',{badarg,[{maps,keys,_,_}|_]}} = (catch maps:keys([])),
+ {'EXIT',{badarg,[{maps,keys,_,_}|_]}} = (catch maps:keys(<<>>)),
+ ok.
+
+t_bif_map_new(Config) when is_list(Config) ->
+ #{} = maps:new(),
+ 0 = erlang:map_size(maps:new()),
+ ok.
+
+t_bif_map_merge(Config) when is_list(Config) ->
+ 0 = erlang:map_size(maps:merge(#{},#{})),
+
+ M0 = #{ "hi" => "hello", int => 3, <<"key">> => <<"value">>,
+ 4 => number, 18446744073709551629 => wat},
+
+ #{ "hi" := "hello", int := 3, <<"key">> := <<"value">>,
+ 4 := number, 18446744073709551629 := wat} = maps:merge(#{}, M0),
+
+ #{ "hi" := "hello", int := 3, <<"key">> := <<"value">>,
+ 4 := number, 18446744073709551629 := wat} = maps:merge(M0, #{}),
+
+ M1 = #{ "hi" => "hello again", float => 3.3, {1,2} => "tuple", 4 => integer },
+
+ #{4 := number, 18446744073709551629 := wat, float := 3.3, int := 3,
+ {1,2} := "tuple", "hi" := "hello", <<"key">> := <<"value">>} = maps:merge(M1,M0),
+
+ #{4 := integer, 18446744073709551629 := wat, float := 3.3, int := 3,
+ {1,2} := "tuple", "hi" := "hello again", <<"key">> := <<"value">>} = maps:merge(M0,M1),
+
+ %% error case
+ {'EXIT',{badarg,[{maps,merge,_,_}|_]}} = (catch maps:merge((1 bsl 65 + 3), <<>>)),
+ {'EXIT',{badarg,[{maps,merge,_,_}|_]}} = (catch maps:merge(<<>>, id(#{ a => 1}))),
+ {'EXIT',{badarg,[{maps,merge,_,_}|_]}} = (catch maps:merge(id(#{ a => 2}), <<>> )),
+
+ ok.
+
+
+t_bif_map_put(Config) when is_list(Config) ->
+ M0 = #{ "hi" => "hello", int => 3, <<"key">> => <<"value">>,
+ 4 => number, 18446744073709551629 => wat},
+
+ M1 = #{ "hi" := "hello"} = maps:put("hi", "hello", #{}),
+
+ ["hi"] = maps:keys(M1),
+ ["hello"] = maps:values(M1),
+
+ M2 = #{ int := 3 } = maps:put(int, 3, M1),
+
+ [int,"hi"] = maps:keys(M2),
+ [3,"hello"] = maps:values(M2),
+
+ M3 = #{ <<"key">> := <<"value">> } = maps:put(<<"key">>, <<"value">>, M2),
+
+ [int,"hi",<<"key">>] = maps:keys(M3),
+ [3,"hello",<<"value">>] = maps:values(M3),
+
+ M4 = #{ 18446744073709551629 := wat } = maps:put(18446744073709551629, wat, M3),
+
+ [18446744073709551629,int,"hi",<<"key">>] = maps:keys(M4),
+ [wat,3,"hello",<<"value">>] = maps:values(M4),
+
+ M0 = #{ 4 := number } = M5 = maps:put(4, number, M4),
+
+ [4,18446744073709551629,int,"hi",<<"key">>] = maps:keys(M5),
+ [number,wat,3,"hello",<<"value">>] = maps:values(M5),
+
+ M6 = #{ <<"key">> := <<"other value">> } = maps:put(<<"key">>, <<"other value">>, M5),
+
+ [4,18446744073709551629,int,"hi",<<"key">>] = maps:keys(M6),
+ [number,wat,3,"hello",<<"other value">>] = maps:values(M6),
+
+ %% error case
+ {'EXIT',{badarg,[{maps,put,_,_}|_]}} = (catch maps:put(1,a,1 bsl 65 + 3)),
+ {'EXIT',{badarg,[{maps,put,_,_}|_]}} = (catch maps:put(1,a,154)),
+ {'EXIT',{badarg,[{maps,put,_,_}|_]}} = (catch maps:put(1,a,atom)),
+ {'EXIT',{badarg,[{maps,put,_,_}|_]}} = (catch maps:put(1,a,[])),
+ {'EXIT',{badarg,[{maps,put,_,_}|_]}} = (catch maps:put(1,a,<<>>)),
+ ok.
+
+t_bif_map_remove(Config) when is_list(Config) ->
+ 0 = erlang:map_size(maps:remove(some_key, #{})),
+
+ M0 = #{ "hi" => "hello", int => 3, <<"key">> => <<"value">>,
+ 4 => number, 18446744073709551629 => wat},
+
+ M1 = maps:remove("hi", M0),
+ [4,18446744073709551629,int,<<"key">>] = maps:keys(M1),
+ [number,wat,3,<<"value">>] = maps:values(M1),
+
+ M2 = maps:remove(int, M1),
+ [4,18446744073709551629,<<"key">>] = maps:keys(M2),
+ [number,wat,<<"value">>] = maps:values(M2),
+
+ M3 = maps:remove(<<"key">>, M2),
+ [4,18446744073709551629] = maps:keys(M3),
+ [number,wat] = maps:values(M3),
+
+ M4 = maps:remove(18446744073709551629, M3),
+ [4] = maps:keys(M4),
+ [number] = maps:values(M4),
+
+ M5 = maps:remove(4, M4),
+ [] = maps:keys(M5),
+ [] = maps:values(M5),
+
+ M0 = maps:remove(5,M0),
+ M0 = maps:remove("hi there",M0),
+
+ #{ "hi" := "hello", int := 3, 4 := number} = maps:remove(18446744073709551629,maps:remove(<<"key">>,M0)),
+
+ %% error case
+ {'EXIT',{badarg,[{maps,remove,_,_}|_]}} = (catch maps:remove(a,1 bsl 65 + 3)),
+ {'EXIT',{badarg,[{maps,remove,_,_}|_]}} = (catch maps:remove(1,154)),
+ {'EXIT',{badarg,[{maps,remove,_,_}|_]}} = (catch maps:remove(a,atom)),
+ {'EXIT',{badarg,[{maps,remove,_,_}|_]}} = (catch maps:remove(1,[])),
+ {'EXIT',{badarg,[{maps,remove,_,_}|_]}} = (catch maps:remove(a,<<>>)),
+ ok.
+
+t_bif_map_update(Config) when is_list(Config) ->
+ M0 = #{ "hi" => "hello", int => 3, <<"key">> => <<"value">>,
+ 4 => number, 18446744073709551629 => wat},
+
+ #{ "hi" := "hello again", int := 3, <<"key">> := <<"value">>,
+ 4 := number, 18446744073709551629 := wat} = maps:update("hi", "hello again", M0),
+
+ #{ "hi" := "hello", int := 1337, <<"key">> := <<"value">>,
+ 4 := number, 18446744073709551629 := wat} = maps:update(int, 1337, M0),
+
+ #{ "hi" := "hello", int := 3, <<"key">> := <<"new value">>,
+ 4 := number, 18446744073709551629 := wat} = maps:update(<<"key">>, <<"new value">>, M0),
+
+ #{ "hi" := "hello", int := 3, <<"key">> := <<"value">>,
+ 4 := integer, 18446744073709551629 := wat} = maps:update(4, integer, M0),
+
+ #{ "hi" := "hello", int := 3, <<"key">> := <<"value">>,
+ 4 := number, 18446744073709551629 := wazzup} = maps:update(18446744073709551629, wazzup, M0),
+
+ %% error case
+ {'EXIT',{badarg,[{maps,update,_,_}|_]}} = (catch maps:update(1,none,{})),
+ {'EXIT',{badarg,[{maps,update,_,_}|_]}} = (catch maps:update(1,none,<<"value">>)),
+ {'EXIT',{badarg,[{maps,update,_,_}|_]}} = (catch maps:update(5,none,M0)),
+
+ ok.
+
+
+
+t_bif_map_values(Config) when is_list(Config) ->
+
+ [] = maps:values(#{}),
+
+ [a,b,c,d,e] = maps:values(#{ 1 => a, 2 => b, 3 => c, 4 => d, 5 => e}),
+ [a,b,c,d,e] = maps:values(#{ 4 => d, 5 => e, 1 => a, 2 => b, 3 => c}),
+
+ % values in key order: [4,int,"hi",<<"key">>]
+ M1 = #{ "hi" => "hello", int => 3, <<"key">> => <<"value">>, 4 => number},
+ M2 = M1#{ "hi" => "hello2", <<"key">> => <<"value2">> },
+ [number,3,"hello2",<<"value2">>] = maps:values(M2),
+ [number,3,"hello",<<"value">>] = maps:values(M1),
+
+ %% error case
+ {'EXIT',{badarg,[{maps,values,_,_}|_]}} = (catch maps:values(1 bsl 65 + 3)),
+ {'EXIT',{badarg,[{maps,values,_,_}|_]}} = (catch maps:values(atom)),
+ {'EXIT',{badarg,[{maps,values,_,_}|_]}} = (catch maps:values([])),
+ {'EXIT',{badarg,[{maps,values,_,_}|_]}} = (catch maps:values(<<>>)),
+ ok.
+
+t_erlang_hash(Config) when is_list(Config) ->
+
+ ok = t_bif_erlang_phash2(),
+ ok = t_bif_erlang_phash(),
+ ok = t_bif_erlang_hash(),
+
+ ok.
+
+t_bif_erlang_phash2() ->
+
+ 39679005 = erlang:phash2(#{}),
+ 78942764 = erlang:phash2(#{ a => 1, "a" => 2, <<"a">> => 3, {a,b} => 4 }),
+ 37338230 = erlang:phash2(#{ 1 => a, 2 => "a", 3 => <<"a">>, 4 => {a,b} }),
+ 14363616 = erlang:phash2(#{ 1 => a }),
+ 51612236 = erlang:phash2(#{ a => 1 }),
+
+ 37468437 = erlang:phash2(#{{} => <<>>}),
+ 44049159 = erlang:phash2(#{<<>> => {}}),
+
+ M0 = #{ a => 1, "key" => <<"value">> },
+ M1 = maps:remove("key",M0),
+ M2 = M1#{ "key" => <<"value">> },
+
+ 118679416 = erlang:phash2(M0),
+ 51612236 = erlang:phash2(M1),
+ 118679416 = erlang:phash2(M2),
+ ok.
+
+t_bif_erlang_phash() ->
+ Sz = 1 bsl 32,
+ 268440612 = erlang:phash(#{},Sz),
+ 1196461908 = erlang:phash(#{ a => 1, "a" => 2, <<"a">> => 3, {a,b} => 4 },Sz),
+ 3944426064 = erlang:phash(#{ 1 => a, 2 => "a", 3 => <<"a">>, 4 => {a,b} },Sz),
+ 1394238263 = erlang:phash(#{ 1 => a },Sz),
+ 4066388227 = erlang:phash(#{ a => 1 },Sz),
+
+ 1578050717 = erlang:phash(#{{} => <<>>},Sz),
+ 1578050717 = erlang:phash(#{<<>> => {}},Sz), % yep, broken
+
+ M0 = #{ a => 1, "key" => <<"value">> },
+ M1 = maps:remove("key",M0),
+ M2 = M1#{ "key" => <<"value">> },
+
+ 3590546636 = erlang:phash(M0,Sz),
+ 4066388227 = erlang:phash(M1,Sz),
+ 3590546636 = erlang:phash(M2,Sz),
+ ok.
+
+t_bif_erlang_hash() ->
+ Sz = 1 bsl 27 - 1,
+ 5158 = erlang:hash(#{},Sz),
+ 71555838 = erlang:hash(#{ a => 1, "a" => 2, <<"a">> => 3, {a,b} => 4 },Sz),
+ 5497225 = erlang:hash(#{ 1 => a, 2 => "a", 3 => <<"a">>, 4 => {a,b} },Sz),
+ 126071654 = erlang:hash(#{ 1 => a },Sz),
+ 126426236 = erlang:hash(#{ a => 1 },Sz),
+
+ 101655720 = erlang:hash(#{{} => <<>>},Sz),
+ 101655720 = erlang:hash(#{<<>> => {}},Sz), % yep, broken
+
+ M0 = #{ a => 1, "key" => <<"value">> },
+ M1 = maps:remove("key",M0),
+ M2 = M1#{ "key" => <<"value">> },
+
+ 38260486 = erlang:hash(M0,Sz),
+ 126426236 = erlang:hash(M1,Sz),
+ 38260486 = erlang:hash(M2,Sz),
+ ok.
+
+
+t_map_encode_decode(Config) when is_list(Config) ->
+ <<131,116,0,0,0,0>> = erlang:term_to_binary(#{}),
+ Pairs = [
+ {a,b},{"key","values"},{<<"key">>,<<"value">>},
+ {1,b},{[atom,1],{<<"wat">>,1,2,3}},
+ {aa,"values"},
+ {1 bsl 64 + (1 bsl 50 - 1), sc1},
+ {99, sc2},
+ {1 bsl 65 + (1 bsl 51 - 1), sc3},
+ {88, sc4},
+ {1 bsl 66 + (1 bsl 52 - 1), sc5},
+ {77, sc6},
+ {1 bsl 67 + (1 bsl 53 - 1), sc3},
+ {75, sc6}, {-10,sc8},
+ {<<>>, sc9}, {3.14158, sc10},
+ {[3.14158], sc11}, {more_atoms, sc12},
+ {{more_tuples}, sc13}, {self(), sc14},
+ {{},{}},{[],[]}
+ ],
+ ok = map_encode_decode_and_match(Pairs,[],#{}),
+
+ %% check sorting
+
+ %% literally #{ b=>2, a=>1 } in the internal order
+ #{ a:=1, b:=2 } =
+ erlang:binary_to_term(<<131,116,0,0,0,2,100,0,1,98,100,0,1,97,97,2,97,1>>),
+
+
+ %% literally #{ "hi" => "value", a=>33, b=>55 } in the internal order
+ #{ a:=33, b:=55, "hi" := "value"} = erlang:binary_to_term(<<131,116,0,0,0,3,
+ 107,0,2,104,105, % "hi" :: list()
+ 100,0,1,97, % a :: atom()
+ 100,0,1,98, % b :: atom()
+ 107,0,5,118,97,108,117,101, % "value" :: list()
+ 97,33, % 33 :: integer()
+ 97,55 % 55 :: integer()
+ >>),
+
+
+ %% error cases
+ %% template: <<131,116,0,0,0,2,100,0,1,97,100,0,1,98,97,1,97,1>>
+ %% which is: #{ a=>1, b=>1 }
+
+ %% uniqueness violation
+ %% literally #{ a=>1, "hi"=>"value", a=>2 }
+ {'EXIT',{badarg,[{_,_,_,_}|_]}} = (catch
+ erlang:binary_to_term(<<131,116,0,0,0,3,100,0,1,97,107,0,2,104,105,100,0,1,97,97,1,107,0,5,118,97,108,117,101,97,2>>)),
+
+ %% bad size (too large)
+ {'EXIT',{badarg,[{_,_,_,_}|_]}} = (catch
+ erlang:binary_to_term(<<131,116,0,0,0,12,100,0,1,97,100,0,1,98,97,1,97,1>>)),
+
+ %% bad size (too small) .. should fail just truncate it .. weird.
+ %% possibly change external format so truncated will be #{a:=1}
+ #{ a:=b } =
+ erlang:binary_to_term(<<131,116,0,0,0,1,100,0,1,97,100,0,1,98,97,1,97,1>>),
+
+ ok.
+
+map_encode_decode_and_match([{K,V}|Pairs], EncodedPairs, M0) ->
+ M1 = maps:put(K,V,M0),
+ B0 = erlang:term_to_binary(M1),
+ Ls = lists:sort(fun(A,B) -> erts_internal:cmp_term(A,B) < 0 end, [{K, erlang:term_to_binary(K), erlang:term_to_binary(V)}|EncodedPairs]),
+ %% sort Ks and Vs according to term spec, then match it
+ ok = match_encoded_map(B0, length(Ls), [Kbin||{_,Kbin,_}<-Ls] ++ [Vbin||{_,_,Vbin}<-Ls]),
+ %% decode and match it
+ M1 = erlang:binary_to_term(B0),
+ map_encode_decode_and_match(Pairs,Ls,M1);
+map_encode_decode_and_match([],_,_) -> ok.
+
+match_encoded_map(<<131,116,Size:32,Encoded/binary>>,Size,Items) ->
+ match_encoded_map(Encoded,Items);
+match_encoded_map(_,_,_) -> no_match_size.
+
+match_encoded_map(<<>>,[]) -> ok;
+match_encoded_map(Bin,[<<131,Item/binary>>|Items]) ->
+ Size = erlang:byte_size(Item),
+ <<EncodedTerm:Size/binary, Bin1/binary>> = Bin,
+ EncodedTerm = Item, %% Asssert
+ match_encoded_map(Bin1,Items).
+
+
+t_bif_map_to_list(Config) when is_list(Config) ->
+ [] = maps:to_list(#{}),
+ [{a,1},{b,2}] = maps:to_list(#{a=>1,b=>2}),
+ [{a,1},{b,2},{c,3}] = maps:to_list(#{c=>3,a=>1,b=>2}),
+ [{a,1},{b,2},{g,3}] = maps:to_list(#{g=>3,a=>1,b=>2}),
+ [{a,1},{b,2},{g,3},{"c",4}] = maps:to_list(#{g=>3,a=>1,b=>2,"c"=>4}),
+ [{3,v2},{hi,v4},{{hi,3},v5},{"hi",v3},{<<"hi">>,v1}] = maps:to_list(#{
+ <<"hi">>=>v1,3=>v2,"hi"=>v3,hi=>v4,{hi,3}=>v5}),
+
+ [{3,v7},{hi,v9},{{hi,3},v10},{"hi",v8},{<<"hi">>,v6}] = maps:to_list(#{
+ <<"hi">>=>v1,3=>v2,"hi"=>v3,hi=>v4,{hi,3}=>v5,
+ <<"hi">>=>v6,3=>v7,"hi"=>v8,hi=>v9,{hi,3}=>v10}),
+
+ %% error cases
+ {'EXIT', {badarg,_}} = (catch maps:to_list(id(a))),
+ {'EXIT', {badarg,_}} = (catch maps:to_list(id(42))),
+ ok.
+
+
+t_bif_map_from_list(Config) when is_list(Config) ->
+ #{} = maps:from_list([]),
+ A = maps:from_list([]),
+ 0 = erlang:map_size(A),
+
+ #{a:=1,b:=2} = maps:from_list([{a,1},{b,2}]),
+ #{c:=3,a:=1,b:=2} = maps:from_list([{a,1},{b,2},{c,3}]),
+ #{g:=3,a:=1,b:=2} = maps:from_list([{a,1},{b,2},{g,3}]),
+
+ #{a:=2} = maps:from_list([{a,1},{a,3},{a,2}]),
+
+ #{ <<"hi">>:=v1,3:=v3,"hi":=v6,hi:=v4,{hi,3}:=v5} =
+ maps:from_list([{3,v3},{"hi",v6},{hi,v4},{{hi,3},v5},{<<"hi">>,v1}]),
+
+ #{<<"hi">>:=v6,3:=v8,"hi":=v11,hi:=v9,{hi,3}:=v10} =
+ maps:from_list([ {{hi,3},v3}, {"hi",v0},{3,v1}, {<<"hi">>,v4}, {hi,v2},
+ {<<"hi">>,v6}, {{hi,3},v10},{"hi",v11}, {hi,v9}, {3,v8}]),
+
+ %% error cases
+ {'EXIT', {badarg,_}} = (catch maps:from_list(id([{a,b},b]))),
+ {'EXIT', {badarg,_}} = (catch maps:from_list(id([{a,b},{b,b,3}]))),
+ {'EXIT', {badarg,_}} = (catch maps:from_list(id([{a,b},<<>>]))),
+ {'EXIT', {badarg,_}} = (catch maps:from_list(id([{a,b}|{b,a}]))),
+ {'EXIT', {badarg,_}} = (catch maps:from_list(id(a))),
+ {'EXIT', {badarg,_}} = (catch maps:from_list(id(42))),
+ ok.
+
+%% Maps module, not BIFs
+t_maps_fold(_Config) ->
+ Vs = lists:seq(1,100),
+ M = maps:from_list([{{k,I},{v,I}}||I<-Vs]),
+
+ %% fold
+ 5050 = maps:fold(fun({k,_},{v,V},A) -> V + A end, 0, M),
+
+ ok.
+
+t_maps_map(_Config) ->
+ Vs = lists:seq(1,100),
+ M1 = maps:from_list([{I,I}||I<-Vs]),
+ M2 = maps:from_list([{I,{token,I}}||I<-Vs]),
+
+ M2 = maps:map(fun(_K,V) -> {token,V} end, M1),
+ ok.
+
+t_maps_size(_Config) ->
+ Vs = lists:seq(1,100),
+ lists:foldl(fun(I,M) ->
+ M1 = maps:put(I,I,M),
+ I = maps:size(M1),
+ M1
+ end, #{}, Vs),
+ ok.
+
+
+t_maps_without(_Config) ->
+ Ki = [11,22,33,44,55,66,77,88,99],
+ M0 = maps:from_list([{{k,I},{v,I}}||I<-lists:seq(1,100)]),
+ M1 = maps:from_list([{{k,I},{v,I}}||I<-lists:seq(1,100) -- Ki]),
+ M1 = maps:without([{k,I}||I <- Ki],M0),
+ ok.
+
+
+%% MISC
+t_pdict(_Config) ->
+
+ put(#{ a => b, b => a},#{ c => d}),
+ put(get(#{ a => b, b => a}),1),
+ 1 = get(#{ c => d}),
+ #{ c := d } = get(#{ a => b, b => a}).
+
+t_ets(_Config) ->
+
+ Tid = ets:new(map_table,[]),
+
+ [ets:insert(Tid,{maps:from_list([{I,-I}]),I}) || I <- lists:seq(1,100)],
+
+
+ [{#{ 2 := -2},2}] = ets:lookup(Tid,#{ 2 => -2 }),
+
+ %% Test equal
+ [3,4] = lists:sort(
+ ets:select(Tid,[{{'$1','$2'},
+ [{'or',{'==','$1',#{ 3 => -3 }},
+ {'==','$1',#{ 4 => -4 }}}],
+ ['$2']}])),
+ %% Test match
+ [30,50] = lists:sort(
+ ets:select(Tid,
+ [{{#{ 30 => -30}, '$1'},[],['$1']},
+ {{#{ 50 => -50}, '$1'},[],['$1']}]
+ )),
+
+ ets:insert(Tid,{#{ a => b, b => c, c => a},transitivity}),
+
+ %% Test equal with map of different size
+ [] = ets:select(Tid,[{{'$1','_'},[{'==','$1',#{ b => c }}],['$_']}]),
+
+ %% Test match with map of different size
+ %[{#{ a := b },_}] = ets:select(Tid,[{{#{ b => c },'_'},[],['$_']}]),
+
+ %%% Test match with don't care value
+ %[{#{ a := b },_}] = ets:select(Tid,[{{#{ b => '_' },'_'},[],['$_']}]),
+
+ %% Test is_map bif
+ 101 = length(ets:select(Tid,[{'$1',[{is_map,{element,1,'$1'}}],['$1']}])),
+ ets:insert(Tid,{not_a_map,2}),
+ 101 = length(ets:select(Tid,[{'$1',[{is_map,{element,1,'$1'}}],['$1']}])),
+ ets:insert(Tid,{{nope,a,tuple},2}),
+ 101 = length(ets:select(Tid,[{'$1',[{is_map,{element,1,'$1'}}],['$1']}])),
+
+ %% Test map_size bif
+ [3] = ets:select(Tid,[{{'$1','_'},[{'==',{map_size,'$1'},3}],
+ [{map_size,'$1'}]}]),
+
+ true = ets:delete(Tid,#{50 => -50}),
+ [] = ets:lookup(Tid,#{50 => -50}),
+
+ ets:delete(Tid),
+ ok.
+
+t_dets(_Config) ->
+ ok.
+
+t_tracing(_Config) ->
+
+ dbg:stop_clear(),
+ {ok,Tracer} = dbg:tracer(process,{fun trace_collector/2, self()}),
+ dbg:p(self(),c),
+
+ %% Test basic map call
+ {ok,_} = dbg:tpl(?MODULE,id,x),
+ id(#{ a => b }),
+ {trace,_,call,{?MODULE,id,[#{ a := b }]}} = getmsg(Tracer),
+ {trace,_,return_from,{?MODULE,id,1},#{ a := b }} = getmsg(Tracer),
+ dbg:ctpl(),
+
+ %% Test equals in argument list
+ {ok,_} = dbg:tpl(?MODULE,id,[{['$1'],[{'==','$1',#{ b => c}}],
+ [{return_trace}]}]),
+ id(#{ a => b }),
+ id(#{ b => c }),
+ {trace,_,call,{?MODULE,id,[#{ b := c }]}} = getmsg(Tracer),
+ {trace,_,return_from,{?MODULE,id,1},#{ b := c }} = getmsg(Tracer),
+ dbg:ctpl(),
+
+ %% Test match in head
+ {ok,_} = dbg:tpl(?MODULE,id,[{[#{b => c}],[],[]}]),
+ id(#{ a => b }),
+ id(#{ b => c }),
+ {trace,_,call,{?MODULE,id,[#{ b := c }]}} = getmsg(Tracer),
+ dbg:ctpl(),
+
+ % Test map guard bifs
+ {ok,_} = dbg:tpl(?MODULE,id,[{['$1'],[{is_map,{element,1,'$1'}}],[]}]),
+ id(#{ a => b }),
+ id({1,2}),
+ id({#{ a => b},2}),
+ {trace,_,call,{?MODULE,id,[{#{ a := b },2}]}} = getmsg(Tracer),
+ dbg:ctpl(),
+
+ {ok,_} = dbg:tpl(?MODULE,id,[{['$1'],[{'==',{map_size,{element,1,'$1'}},2}],[]}]),
+ id(#{ a => b }),
+ id({1,2}),
+ id({#{ a => b},2}),
+ id({#{ a => b, b => c},atom}),
+ {trace,_,call,{?MODULE,id,[{#{ a := b, b := c },atom}]}} = getmsg(Tracer),
+ dbg:ctpl(),
+
+ %MS = dbg:fun2ms(fun([A]) when A == #{ a => b} -> ok end),
+ %dbg:tpl(?MODULE,id,MS),
+ %id(#{ a => b }),
+ %id(#{ b => c }),
+ %{trace,_,call,{?MODULE,id,[#{ a := b }]}} = getmsg(Tracer),
+ %dbg:ctpl(),
+
+ %% Check to extra messages
+ timeout = getmsg(Tracer),
+
+ dbg:stop_clear(),
+ ok.
+
+getmsg(_Tracer) ->
+ receive V -> V after 100 -> timeout end.
+
+trace_collector(Msg,Parent) ->
+ io:format("~p~n",[Msg]),
+ Parent ! Msg,
+ Parent.
+
+%% Use this function to avoid compile-time evaluation of an expression.
+id(I) -> I.
diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl
index affb66289b..bcc1f9e5af 100644
--- a/erts/emulator/test/nif_SUITE.erl
+++ b/erts/emulator/test/nif_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2010-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2010-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -29,7 +29,8 @@
init_per_group/2,end_per_group/2,
init_per_testcase/2,
end_per_testcase/2, basic/1, reload/1, upgrade/1, heap_frag/1,
- types/1, many_args/1, binaries/1, get_string/1, get_atom/1,
+ types/1, many_args/1, binaries/1, get_string/1, get_atom/1,
+ maps/1,
api_macros/1,
from_array/1, iolist_as_binary/1, resource/1, resource_binary/1,
resource_takeover/1,
@@ -58,7 +59,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[basic, reload, upgrade, heap_frag, types, many_args,
- binaries, get_string, get_atom, api_macros, from_array,
+ binaries, get_string, get_atom, maps, api_macros, from_array,
iolist_as_binary, resource, resource_binary,
resource_takeover, threading, send, send2, send3,
send_threaded, neg, is_checks, get_length, make_atom,
@@ -435,6 +436,54 @@ get_atom(Config) when is_list(Config) ->
?line {0, <<>>} = atom_to_bin('',0),
ok.
+maps(doc) -> ["Test NIF maps handling."];
+maps(suite) -> [];
+maps(Config) when is_list(Config) ->
+ TmpMem = tmpmem(),
+ Pairs = [{adam, "bert"}] ++
+ [{I,I}||I <- lists:seq(1,10)] ++
+ [{a,value},{"a","value"},{<<"a">>,<<"value">>}],
+ ok = ensure_lib_loaded(Config, 1),
+ M = maps_from_list_nif(Pairs),
+ R = {RIs,Is} = sorted_list_from_maps_nif(M),
+ io:format("Pairs: ~p~nMap: ~p~nReturned: ~p~n", [lists:sort(Pairs),M,R]),
+ Is = lists:sort(Pairs),
+ Is = lists:reverse(RIs),
+
+ #{} = maps_from_list_nif([]),
+ {[],[]} = sorted_list_from_maps_nif(#{}),
+
+ 1 = is_map_nif(M),
+ 0 = is_map_nif("no map"),
+
+ Msz = map_size(M),
+ {1,Msz} = get_map_size_nif(M),
+ {1,0} = get_map_size_nif(#{}),
+ {0,-123} = get_map_size_nif({#{}}),
+
+ #{} = M0 = make_new_map_nif(),
+
+ {1, #{key := value}=M1} = make_map_put_nif(M0, key, value),
+ {1, #{key := value, "key2" := "value2"}=M2} = make_map_put_nif(M1, "key2", "value2"),
+ {1, #{key := "value", "key2" := "value2"}=M3} = make_map_put_nif(M2, key, "value"),
+ {0, undefined} = make_map_put_nif(666, key, value),
+
+ {1, "value2"} = get_map_value_nif(M3,"key2"),
+ {0, undefined} = get_map_value_nif(M3,"key3"),
+ {0, undefined} = get_map_value_nif(false,key),
+
+ {0, undefined} = make_map_update_nif(M0, key, value),
+ {0, undefined} = make_map_update_nif(M1, "key2", "value2"),
+ {1, #{key := "value", "key2" := "value2"}} = make_map_update_nif(M2, key, "value"),
+ {0, undefined} = make_map_update_nif(666, key, value),
+
+ {1, #{}} = make_map_remove_nif(M1, key),
+ {1, M1} = make_map_remove_nif(M2, "key2"),
+ {1, M2} = make_map_remove_nif(M2, "key3"),
+ {0, undefined} = make_map_remove_nif(self(), key),
+
+ ok.
+
api_macros(doc) -> ["Test macros enif_make_list<N> and enif_make_tuple<N>"];
api_macros(suite) -> [];
api_macros(Config) when is_list(Config) ->
@@ -1488,5 +1537,17 @@ otp_9668_nif(_) -> ?nif_stub.
consume_timeslice_nif(_,_) -> ?nif_stub.
call_dirty_nif(_,_,_) -> ?nif_stub.
+%% maps
+is_map_nif(_) -> ?nif_stub.
+get_map_size_nif(_) -> ?nif_stub.
+make_new_map_nif() -> ?nif_stub.
+make_map_put_nif(_,_,_) -> ?nif_stub.
+get_map_value_nif(_,_) -> ?nif_stub.
+make_map_update_nif(_,_,_) -> ?nif_stub.
+make_map_remove_nif(_,_) -> ?nif_stub.
+maps_from_list_nif(_) -> ?nif_stub.
+sorted_list_from_maps_nif(_) -> ?nif_stub.
+
+
nif_stub_error(Line) ->
exit({nif_not_loaded,module,?MODULE,line,Line}).
diff --git a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
index 6f902e186d..b550d1f16d 100644
--- a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
+++ b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2009-2013. All Rights Reserved.
+ * Copyright Ericsson AB 2009-2014. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -1536,6 +1536,132 @@ static ERL_NIF_TERM call_dirty_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM
}
#endif
+static ERL_NIF_TERM is_map_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{
+ return enif_make_int(env, enif_is_map(env,argv[0]));
+}
+static ERL_NIF_TERM get_map_size_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{
+ size_t size = (size_t)-123;
+ int ret = enif_get_map_size(env, argv[0], &size);
+ return enif_make_tuple2(env, enif_make_int(env, ret), enif_make_int(env, (int)size));
+}
+static ERL_NIF_TERM make_new_map_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{
+ return enif_make_new_map(env);
+}
+static ERL_NIF_TERM make_map_put_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{
+ ERL_NIF_TERM map_out = enif_make_atom(env, "undefined");
+ int ret = enif_make_map_put(env, argv[0], argv[1], argv[2], &map_out);
+ return enif_make_tuple2(env, enif_make_int(env,ret), map_out);
+}
+static ERL_NIF_TERM get_map_value_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{
+ ERL_NIF_TERM value = enif_make_atom(env, "undefined");
+ int ret = enif_get_map_value(env, argv[0], argv[1], &value);
+ return enif_make_tuple2(env, enif_make_int(env,ret), value);
+
+}
+static ERL_NIF_TERM make_map_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{
+ ERL_NIF_TERM map_out = enif_make_atom(env, "undefined");
+ int ret = enif_make_map_update(env, argv[0], argv[1], argv[2], &map_out);
+ return enif_make_tuple2(env, enif_make_int(env,ret), map_out);
+}
+static ERL_NIF_TERM make_map_remove_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{
+ ERL_NIF_TERM map_out = enif_make_atom(env, "undefined");
+ int ret = enif_make_map_remove(env, argv[0], argv[1], &map_out);
+ return enif_make_tuple2(env, enif_make_int(env,ret), map_out);
+}
+
+/* maps */
+static ERL_NIF_TERM maps_from_list_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{
+ ERL_NIF_TERM cell = argv[0];
+ ERL_NIF_TERM map = enif_make_new_map(env);
+ ERL_NIF_TERM tuple;
+ const ERL_NIF_TERM *pair;
+ int arity = -1;
+
+ if (argc != 1 && !enif_is_list(env, cell)) return enif_make_badarg(env);
+
+ /* assume sorted keys */
+
+ while (!enif_is_empty_list(env,cell)) {
+ if (!enif_get_list_cell(env, cell, &tuple, &cell)) return enif_make_badarg(env);
+ if (enif_get_tuple(env,tuple,&arity,&pair)) {
+ enif_make_map_put(env, map, pair[0], pair[1], &map);
+ }
+ }
+
+ return map;
+}
+
+static ERL_NIF_TERM sorted_list_from_maps_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) {
+
+ ERL_NIF_TERM map = argv[0];
+ ERL_NIF_TERM list_f = enif_make_list(env, 0); /* NIL */
+ ERL_NIF_TERM list_b = enif_make_list(env, 0); /* NIL */
+ ERL_NIF_TERM key, value, k2, v2;
+ ErlNifMapIterator iter_f;
+ ErlNifMapIterator iter_b;
+ int cnt, next_ret, prev_ret;
+
+ if (argc != 1 && !enif_is_map(env, map))
+ return enif_make_int(env, __LINE__);
+
+ if(!enif_map_iterator_create(env, map, &iter_f, ERL_NIF_MAP_ITERATOR_HEAD))
+ return enif_make_int(env, __LINE__);
+
+ cnt = 0;
+ while(enif_map_iterator_get_pair(env,&iter_f,&key,&value)) {
+ if (cnt && !next_ret)
+ return enif_make_int(env, __LINE__);
+ list_f = enif_make_list_cell(env, enif_make_tuple2(env, key, value), list_f);
+ next_ret = enif_map_iterator_next(env,&iter_f);
+ cnt++;
+ }
+ if (cnt && next_ret)
+ return enif_make_int(env, __LINE__);
+
+ if(!enif_map_iterator_create(env, map, &iter_b, ERL_NIF_MAP_ITERATOR_TAIL))
+ return enif_make_int(env, __LINE__);
+
+ cnt = 0;
+ while(enif_map_iterator_get_pair(env,&iter_b,&key,&value)) {
+ if (cnt && !prev_ret)
+ return enif_make_int(env, __LINE__);
+
+ /* Test that iter_f can step "backwards" */
+ if (!enif_map_iterator_prev(env,&iter_f)
+ || !enif_map_iterator_get_pair(env,&iter_f,&k2,&v2)
+ || k2 != key || v2 != value) {
+ return enif_make_int(env, __LINE__);
+ }
+
+ list_b = enif_make_list_cell(env, enif_make_tuple2(env, key, value), list_b);
+ prev_ret = enif_map_iterator_prev(env,&iter_b);
+ }
+
+ if (cnt) {
+ if (prev_ret || enif_map_iterator_prev(env,&iter_f))
+ return enif_make_int(env, __LINE__);
+
+ /* Test that iter_b can step "backwards" one step */
+ if (!enif_map_iterator_next(env, &iter_b)
+ || !enif_map_iterator_get_pair(env,&iter_b,&k2,&v2)
+ || k2 != key || v2 != value)
+ return enif_make_int(env, __LINE__);
+ }
+
+ enif_map_iterator_destroy(env, &iter_f);
+ enif_map_iterator_destroy(env, &iter_b);
+
+ return enif_make_tuple2(env, list_f, list_b);
+}
+
static ErlNifFunc nif_funcs[] =
{
{"lib_version", 0, lib_version},
@@ -1589,6 +1715,15 @@ static ErlNifFunc nif_funcs[] =
#ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT
{"call_dirty_nif", 3, call_dirty_nif},
#endif
+ {"is_map_nif", 1, is_map_nif},
+ {"get_map_size_nif", 1, get_map_size_nif},
+ {"make_new_map_nif", 0, make_new_map_nif},
+ {"make_map_put_nif", 3, make_map_put_nif},
+ {"get_map_value_nif", 2, get_map_value_nif},
+ {"make_map_update_nif", 3, make_map_update_nif},
+ {"make_map_remove_nif", 2, make_map_remove_nif},
+ {"maps_from_list_nif", 1, maps_from_list_nif},
+ {"sorted_list_from_maps_nif", 1, sorted_list_from_maps_nif}
};
ERL_NIF_INIT(nif_SUITE,nif_funcs,load,reload,upgrade,unload)
diff --git a/erts/emulator/test/send_term_SUITE.erl b/erts/emulator/test/send_term_SUITE.erl
index b631f55a03..8e1f8df43a 100644
--- a/erts/emulator/test/send_term_SUITE.erl
+++ b/erts/emulator/test/send_term_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2005-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2005-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -62,7 +62,19 @@ basic(Config) when is_list(Config) ->
?line [] = term(P, 0),
?line Self = self(),
- ?line {blurf,42,[],[-42,{}|"abc"++P],"kalle",3.1416,Self} = term(P, 1),
+ {blurf,42,[],[-42,{}|"abc"++P],"kalle",3.1416,Self,#{}} = term(P, 1),
+
+ Map41 = maps:from_list([{blurf, 42},
+ {[], [-42,{}|"abc"++P]},
+ {"kalle", 3.1416},
+ {Self, #{}}]),
+ Map41 = term(P, 41),
+
+ Map42 = maps:from_list([{42, []},
+ {[-42,{}|"abc"++P], "kalle"},
+ {3.1416, Self},
+ {#{}, blurf}]),
+ Map42 = term(P, 42),
?line Deep = lists:seq(0, 199),
?line Deep = term(P, 2),
?line {B1,B2} = term(P, 3),
@@ -125,7 +137,8 @@ basic(Config) when is_list(Config) ->
{-1, 36}, % ERL_DRV_INT64
{-4711, 37}, % ERL_DRV_INT64
{-20233590931456, 38}, % ERL_DRV_INT64
- {-9223372036854775808, 39}], % ERL_DRV_INT64
+ {-9223372036854775808, 39},
+ {#{}, 40}], % ERL_DRV_MAP
?line {Terms, Ops} = lists:unzip(Singles),
?line Terms = term(P,Ops),
diff --git a/erts/emulator/test/send_term_SUITE_data/send_term_drv.c b/erts/emulator/test/send_term_SUITE_data/send_term_drv.c
index f8613487b0..381a4f20d5 100644
--- a/erts/emulator/test/send_term_SUITE_data/send_term_drv.c
+++ b/erts/emulator/test/send_term_SUITE_data/send_term_drv.c
@@ -104,7 +104,7 @@ static void send_term_drv_run(ErlDrvData port, char *buf, ErlDrvSizeT count)
double f = 3.1416;
msg[0] = ERL_DRV_ATOM;
- msg[1] = driver_mk_atom("blurf"),
+ msg[1] = driver_mk_atom("blurf");
msg[2] = ERL_DRV_INT;
msg[3] = (ErlDrvTermData) 42;
msg[4] = ERL_DRV_NIL;
@@ -126,9 +126,11 @@ static void send_term_drv_run(ErlDrvData port, char *buf, ErlDrvSizeT count)
msg[20] = (ErlDrvTermData) &f;
msg[21] = ERL_DRV_PID;
msg[22] = driver_connected(erlang_port);
- msg[23] = ERL_DRV_TUPLE;
- msg[24] = (ErlDrvTermData) 7;
- msg += 25;
+ msg[23] = ERL_DRV_MAP;
+ msg[24] = (ErlDrvTermData) 0;
+ msg[25] = ERL_DRV_TUPLE;
+ msg[26] = (ErlDrvTermData) 8;
+ msg += 27;
}
break;
@@ -481,6 +483,52 @@ static void send_term_drv_run(ErlDrvData port, char *buf, ErlDrvSizeT count)
break;
}
+ case 40: {
+ msg[0] = ERL_DRV_MAP;
+ msg[1] = (ErlDrvTermData) 0;
+ msg += 2;
+ break;
+ }
+
+ case 41: /* Most term types inside a map */
+ case 42: {
+ double f = 3.1416;
+
+ if (buf[i] == 41) {
+ *msg++ = ERL_DRV_ATOM;
+ *msg++ = driver_mk_atom("blurf");
+ }
+ *msg++ = ERL_DRV_INT;
+ *msg++ = (ErlDrvTermData)42;
+ *msg++ = ERL_DRV_NIL;
+ *msg++ = ERL_DRV_INT;
+ *msg++ = (ErlDrvTermData)-42;
+ *msg++ = ERL_DRV_TUPLE;
+ *msg++ = (ErlDrvTermData)0;
+ *msg++ = ERL_DRV_PORT;
+ *msg++ = driver_mk_port(erlang_port);
+ *msg++ = ERL_DRV_STRING_CONS;
+ *msg++ = (ErlDrvTermData)"abc";
+ *msg++ = (ErlDrvTermData)3;
+ *msg++ = ERL_DRV_LIST;
+ *msg++ = (ErlDrvTermData)3;
+ *msg++ = ERL_DRV_STRING;
+ *msg++ = (ErlDrvTermData)"kalle";
+ *msg++ = (ErlDrvTermData)5;
+ *msg++ = ERL_DRV_FLOAT;
+ *msg++ = (ErlDrvTermData)&f;
+ *msg++ = ERL_DRV_PID;
+ *msg++ = driver_connected(erlang_port);
+ *msg++ = ERL_DRV_MAP;
+ *msg++ = (ErlDrvTermData)0;
+ if (buf[i] == 42) {
+ *msg++ = ERL_DRV_ATOM;
+ *msg++ = driver_mk_atom("blurf");
+ }
+ *msg++ = ERL_DRV_MAP;
+ *msg++ = (ErlDrvTermData)4;
+ break;
+ }
case 127: /* Error cases */
{
@@ -662,6 +710,22 @@ static void send_term_drv_run(ErlDrvData port, char *buf, ErlDrvSizeT count)
FAIL_TERM(msg, 2);
}
+ msg[0] = ERL_DRV_MAP;
+ msg[1] = (ErlDrvTermData) 0;
+ FAIL_TERM(msg, 1);
+
+ /* map with duplicate key */
+ msg[0] = ERL_DRV_ATOM;
+ msg[1] = driver_mk_atom("key");
+ msg[2] = ERL_DRV_NIL;
+ msg[3] = ERL_DRV_ATOM;
+ msg[4] = driver_mk_atom("key");
+ msg[5] = ERL_DRV_INT;
+ msg[6] = (ErlDrvTermData) -4711;
+ msg[7] = ERL_DRV_MAP;
+ msg[8] = 2;
+ FAIL_TERM(msg, 9);
+
/* Signal end of test case */
msg[0] = ERL_DRV_NIL;
erl_drv_output_term(driver_mk_port(erlang_port), msg, 1);
diff --git a/erts/emulator/utils/beam_makeops b/erts/emulator/utils/beam_makeops
index 16a949c2a6..0b7c16f606 100755
--- a/erts/emulator/utils/beam_makeops
+++ b/erts/emulator/utils/beam_makeops
@@ -1202,6 +1202,7 @@ sub parse_transformation {
my($from, $to) = split(/\s*=>\s*/);
my(@op);
+ my $rest_var;
# The source instructions.
@@ -1212,7 +1213,7 @@ sub parse_transformation {
$_ = (&compile_transform_function($name, split(/\s*,\s*/, $arglist)));
} else {
(@op) = split;
- $_ = &compile_transform(1, @op);
+ ($rest_var,$_) = compile_transform(1, $rest_var, @op);
}
}
@@ -1230,7 +1231,7 @@ sub parse_transformation {
@to = split(/\s*\|\s*/, $to);
foreach (@to) {
(@op) = split;
- $_ = &compile_transform(0, @op);
+ (undef,$_) = compile_transform(0, $rest_var, @op);
}
}
push(@transformations, [$., $orig, [@from], [reverse @to]]);
@@ -1243,12 +1244,18 @@ sub compile_transform_function {
}
sub compile_transform {
- my($src, $name, @ops) = @_;
+ my($src, $rest_var, $name, @ops) = @_;
my $arity = 0;
-
+
foreach (@ops) {
my(@list) = &tr_parse_op($src, $_);
- $arity++ unless $list[1] eq '*';
+ if ($list[1] eq '*') {
+ $rest_var = $list[0];
+ } elsif (defined $rest_var and $list[0] eq $rest_var) {
+ $list[1] = '*';
+ } else {
+ $arity++;
+ }
$_ = [ @list ];
}
@@ -1260,7 +1267,7 @@ sub compile_transform {
$is_transformed{$name,$arity} = 1;
}
- [$name,$arity,@ops];
+ ($rest_var,[$name,$arity,@ops]);
}
sub tr_parse_op {
@@ -1681,7 +1688,9 @@ sub tr_gen_to {
foreach $op (@ops) {
my($var, $type, $type_val) = @$op;
- if ($var ne '') {
+ if ($type eq '*') {
+ push(@code, make_op($var, 'store_rest_args', $var{$var}));
+ } elsif ($var ne '') {
&error($where, "variable '$var' unbound")
unless defined $var{$var};
push(@code, &make_op($var, 'store_var_next_arg', $var{$var}));
diff --git a/erts/preloaded/ebin/erlang.beam b/erts/preloaded/ebin/erlang.beam
index f38377647c..eb696bb32f 100644
--- a/erts/preloaded/ebin/erlang.beam
+++ b/erts/preloaded/ebin/erlang.beam
Binary files differ
diff --git a/erts/preloaded/ebin/erts_internal.beam b/erts/preloaded/ebin/erts_internal.beam
index 12b36913a9..4a84b3945a 100644
--- a/erts/preloaded/ebin/erts_internal.beam
+++ b/erts/preloaded/ebin/erts_internal.beam
Binary files differ
diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl
index ee5bd3e515..fbc37bd955 100644
--- a/erts/preloaded/src/erlang.erl
+++ b/erts/preloaded/src/erlang.erl
@@ -104,10 +104,9 @@
-export([list_to_bitstring/1, list_to_existing_atom/1, list_to_float/1]).
-export([list_to_integer/1, list_to_integer/2]).
-export([list_to_pid/1, list_to_tuple/1, loaded/0]).
--export([localtime/0, make_ref/0, match_spec_test/3, md5/1, md5_final/1]).
+-export([localtime/0, make_ref/0, map_size/1, match_spec_test/3, md5/1, md5_final/1]).
-export([md5_init/0, md5_update/2, module_loaded/1, monitor/2]).
--export([monitor_node/2, monitor_node/3, nif_error/1, nif_error/2
-]).
+-export([monitor_node/2, monitor_node/3, nif_error/1, nif_error/2]).
-export([node/0, node/1, now/0, phash/2, phash2/1, phash2/2]).
-export([pid_to_list/1, port_close/1, port_command/2, port_command/3]).
-export([port_connect/2, port_control/3, port_get_data/1]).
@@ -128,7 +127,7 @@
-export([abs/1, append/2, element/2, get_module_info/2, hd/1,
is_atom/1, is_binary/1, is_bitstring/1, is_boolean/1,
is_float/1, is_function/1, is_function/2, is_integer/1,
- is_list/1, is_number/1, is_pid/1, is_port/1, is_record/2,
+ is_list/1, is_map/1, is_number/1, is_pid/1, is_port/1, is_record/2,
is_record/3, is_reference/1, is_tuple/1, load_module/2,
load_nif/2, localtime_to_universaltime/2, make_fun/3,
make_tuple/2, make_tuple/3, nodes/1, open_port/2,
@@ -1149,6 +1148,12 @@ localtime() ->
make_ref() ->
erlang:nif_error(undefined).
+%% Shadowed by erl_bif_types: erlang:map_size/1
+-spec map_size(Map) -> non_neg_integer() when
+ Map :: map().
+map_size(_Map) ->
+ erlang:nif_error(undefined).
+
%% match_spec_test/3
-spec erlang:match_spec_test(P1, P2, P3) -> TestResult when
P1 :: [term()] | tuple(),
@@ -1739,6 +1744,12 @@ is_number(_Term) ->
is_pid(_Term) ->
erlang:nif_error(undefined).
+%% Shadowed by erl_bif_types: erlang:is_map/1
+-spec is_map(Map) -> boolean() when
+ Map :: map().
+is_map(_Map) ->
+ erlang:nif_error(undefined).
+
%% Shadowed by erl_bif_types: erlang:is_port/1
-spec is_port(Term) -> boolean() when
Term :: term().
diff --git a/erts/preloaded/src/erts_internal.erl b/erts/preloaded/src/erts_internal.erl
index d6a185482e..edcd50c77e 100644
--- a/erts/preloaded/src/erts_internal.erl
+++ b/erts/preloaded/src/erts_internal.erl
@@ -30,6 +30,7 @@
-export([await_port_send_result/3]).
-export([binary_to_term/1, binary_to_term/2]).
+-export([cmp_term/2]).
-export([port_command/3, port_connect/2, port_close/1,
port_control/3, port_call/3, port_info/1, port_info/2]).
@@ -170,3 +171,13 @@ binary_to_term(_Binary) ->
Opts :: [safe].
binary_to_term(_Binary, _Opts) ->
erlang:nif_error(undefined).
+
+%% term compare where integer() < float() = true
+
+-spec cmp_term(A,B) -> Result when
+ A :: term(),
+ B :: term(),
+ Result :: -1 | 0 | 1.
+
+cmp_term(_A,_B) ->
+ erlang:nif_error(undefined).
diff --git a/lib/compiler/src/beam_a.erl b/lib/compiler/src/beam_a.erl
index c590c5e35b..3dfa67a771 100644
--- a/lib/compiler/src/beam_a.erl
+++ b/lib/compiler/src/beam_a.erl
@@ -88,6 +88,10 @@ rename_instr({bs_private_append=I,F,Sz,U,Src,Flags,Dst}) ->
{bs_init,F,{I,U,Flags},none,[Sz,Src],Dst};
rename_instr(bs_init_writable=I) ->
{bs_init,{f,0},I,1,[{x,0}],{x,0}};
+rename_instr({put_map_assoc,Fail,S,D,R,L}) ->
+ {put_map,Fail,assoc,S,D,R,L};
+rename_instr({put_map_exact,Fail,S,D,R,L}) ->
+ {put_map,Fail,exact,S,D,R,L};
rename_instr({select_val=I,Reg,Fail,{list,List}}) ->
{select,I,Reg,Fail,List};
rename_instr({select_tuple_arity=I,Reg,Fail,{list,List}}) ->
diff --git a/lib/compiler/src/beam_block.erl b/lib/compiler/src/beam_block.erl
index 402fbe2e2e..3723cc19e1 100644
--- a/lib/compiler/src/beam_block.erl
+++ b/lib/compiler/src/beam_block.erl
@@ -152,6 +152,10 @@ collect({get_tuple_element,S,I,D}) -> {set,[D],[S],{get_tuple_element,I}};
collect({set_tuple_element,S,D,I}) -> {set,[],[S,D],{set_tuple_element,I}};
collect({get_list,S,D1,D2}) -> {set,[D1,D2],[S],get_list};
collect(remove_message) -> {set,[],[],remove_message};
+collect({put_map,F,Op,S,D,R,{list,Puts}}) ->
+ {set,[D],[S|Puts],{alloc,R,{put_map,Op,F}}};
+collect({get_map_element,F,S,K,D}) ->
+ {set,[D],[S],{get_map_element,K,F}};
collect({'catch',R,L}) -> {set,[R],[],{'catch',L}};
collect(fclearerror) -> {set,[],[],fclearerror};
collect({fcheckerror,{f,0}}) -> {set,[],[],fcheckerror};
@@ -236,6 +240,7 @@ move_allocates_2(Alloc, [], Acc) ->
alloc_may_pass({set,_,_,{alloc,_,_}}) -> false;
alloc_may_pass({set,_,_,{set_tuple_element,_}}) -> false;
+alloc_may_pass({set,_,_,{get_map_element,_,_}}) -> false;
alloc_may_pass({set,_,_,put_list}) -> false;
alloc_may_pass({set,_,_,put}) -> false;
alloc_may_pass({set,_,_,_}) -> true.
@@ -383,6 +388,7 @@ gen_init(Fs, Regs, Y, Acc) ->
init_yreg([{set,_,_,{bif,_,_}}|_], Reg) -> Reg;
init_yreg([{set,_,_,{alloc,_,{gc_bif,_,_}}}|_], Reg) -> Reg;
+init_yreg([{set,_,_,{alloc,_,{put_map,_,_}}}|_], Reg) -> Reg;
init_yreg([{set,Ds,_,_}|Is], Reg) -> init_yreg(Is, add_yregs(Ds, Reg));
init_yreg(_Is, Reg) -> Reg.
diff --git a/lib/compiler/src/beam_clean.erl b/lib/compiler/src/beam_clean.erl
index 9d89e21a4e..55f985ad0e 100644
--- a/lib/compiler/src/beam_clean.erl
+++ b/lib/compiler/src/beam_clean.erl
@@ -234,6 +234,36 @@ replace([{bs_init,{f,Lbl},Info,Live,Ss,Dst}|Is], Acc, D) when Lbl =/= 0 ->
replace(Is, [{bs_init,{f,label(Lbl, D)},Info,Live,Ss,Dst}|Acc], D);
replace([{bs_put,{f,Lbl},Info,Ss}|Is], Acc, D) when Lbl =/= 0 ->
replace(Is, [{bs_put,{f,label(Lbl, D)},Info,Ss}|Acc], D);
+replace([{bs_init2,{f,Lbl},Sz,Words,R,F,Dst}|Is], Acc, D) when Lbl =/= 0 ->
+ replace(Is, [{bs_init2,{f,label(Lbl, D)},Sz,Words,R,F,Dst}|Acc], D);
+replace([{bs_init_bits,{f,Lbl},Sz,Words,R,F,Dst}|Is], Acc, D) when Lbl =/= 0 ->
+ replace(Is, [{bs_init_bits,{f,label(Lbl, D)},Sz,Words,R,F,Dst}|Acc], D);
+replace([{bs_put_integer,{f,Lbl},Bits,Unit,Fl,Val}|Is], Acc, D) when Lbl =/= 0 ->
+ replace(Is, [{bs_put_integer,{f,label(Lbl, D)},Bits,Unit,Fl,Val}|Acc], D);
+replace([{bs_put_utf8=I,{f,Lbl},Fl,Val}|Is], Acc, D) when Lbl =/= 0 ->
+ replace(Is, [{I,{f,label(Lbl, D)},Fl,Val}|Acc], D);
+replace([{bs_put_utf16=I,{f,Lbl},Fl,Val}|Is], Acc, D) when Lbl =/= 0 ->
+ replace(Is, [{I,{f,label(Lbl, D)},Fl,Val}|Acc], D);
+replace([{bs_put_utf32=I,{f,Lbl},Fl,Val}|Is], Acc, D) when Lbl =/= 0 ->
+ replace(Is, [{I,{f,label(Lbl, D)},Fl,Val}|Acc], D);
+replace([{bs_put_binary,{f,Lbl},Bits,Unit,Fl,Val}|Is], Acc, D) when Lbl =/= 0 ->
+ replace(Is, [{bs_put_binary,{f,label(Lbl, D)},Bits,Unit,Fl,Val}|Acc], D);
+replace([{bs_put_float,{f,Lbl},Bits,Unit,Fl,Val}|Is], Acc, D) when Lbl =/= 0 ->
+ replace(Is, [{bs_put_float,{f,label(Lbl, D)},Bits,Unit,Fl,Val}|Acc], D);
+replace([{bs_add,{f,Lbl},Src,Dst}|Is], Acc, D) when Lbl =/= 0 ->
+ replace(Is, [{bs_add,{f,label(Lbl, D)},Src,Dst}|Acc], D);
+replace([{bs_append,{f,Lbl},_,_,_,_,_,_,_}=I0|Is], Acc, D) when Lbl =/= 0 ->
+ I = setelement(2, I0, {f,label(Lbl, D)}),
+ replace(Is, [I|Acc], D);
+replace([{bs_utf8_size=I,{f,Lbl},Src,Dst}|Is], Acc, D) when Lbl =/= 0 ->
+ replace(Is, [{I,{f,label(Lbl, D)},Src,Dst}|Acc], D);
+replace([{bs_utf16_size=I,{f,Lbl},Src,Dst}|Is], Acc, D) when Lbl =/= 0 ->
+ replace(Is, [{I,{f,label(Lbl, D)},Src,Dst}|Acc], D);
+replace([{put_map=I,{f,Lbl},Op,Src,Dst,Live,List}|Is], Acc, D)
+ when Lbl =/= 0 ->
+ replace(Is, [{I,{f,label(Lbl, D)},Op,Src,Dst,Live,List}|Acc], D);
+replace([{get_map_element=I,{f,Lbl},Src,Key,Dst}|Is], Acc, D) when Lbl =/= 0 ->
+ replace(Is, [{I,{f,label(Lbl, D)},Src,Key,Dst}|Acc], D);
replace([I|Is], Acc, D) ->
replace(Is, [I|Acc], D);
replace([], Acc, _) -> Acc.
diff --git a/lib/compiler/src/beam_disasm.erl b/lib/compiler/src/beam_disasm.erl
index 1a8bbcee22..e0d0d0fd1d 100644
--- a/lib/compiler/src/beam_disasm.erl
+++ b/lib/compiler/src/beam_disasm.erl
@@ -365,6 +365,10 @@ disasm_instr(B, Bs, Atoms, Literals) ->
disasm_select_inst(select_val, Bs, Atoms, Literals);
select_tuple_arity ->
disasm_select_inst(select_tuple_arity, Bs, Atoms, Literals);
+ put_map_assoc ->
+ disasm_map_inst(put_map_assoc, Bs, Atoms, Literals);
+ put_map_exact ->
+ disasm_map_inst(put_map_exact, Bs, Atoms, Literals);
_ ->
try decode_n_args(Arity, Bs, Atoms, Literals) of
{Args, RestBs} ->
@@ -395,6 +399,17 @@ disasm_select_inst(Inst, Bs, Atoms, Literals) ->
{List, RestBs} = decode_n_args(Len, Bs4, Atoms, Literals),
{{Inst, [X,F,{Z,U,List}]}, RestBs}.
+disasm_map_inst(Inst, Bs0, Atoms, Literals) ->
+ {F, Bs1} = decode_arg(Bs0, Atoms, Literals),
+ {S, Bs2} = decode_arg(Bs1, Atoms, Literals),
+ {X, Bs3} = decode_arg(Bs2, Atoms, Literals),
+ {N, Bs4} = decode_arg(Bs3, Atoms, Literals),
+ {Z, Bs5} = decode_arg(Bs4, Atoms, Literals),
+ {U, Bs6} = decode_arg(Bs5, Atoms, Literals),
+ {u, Len} = U,
+ {List, RestBs} = decode_n_args(Len, Bs6, Atoms, Literals),
+ {{Inst, [F,S,X,N,{Z,U,List}]}, RestBs}.
+
%%-----------------------------------------------------------------------
%% decode_arg([Byte]) -> {Arg, [Byte]}
%%
@@ -421,7 +436,7 @@ decode_arg([B|Bs]) ->
decode_arg([B|Bs0], Atoms, Literals) ->
Tag = decode_tag(B band 2#111),
- ?NO_DEBUG('Tag = ~p, B = ~p, Bs = ~p~n', [Tag, B, Bs]),
+ ?NO_DEBUG('Tag = ~p, B = ~p, Bs = ~p~n', [Tag, B, Bs0]),
case Tag of
z ->
decode_z_tagged(Tag, B, Bs0, Literals);
@@ -1119,6 +1134,27 @@ resolve_inst({line,[Index]},_,_,_) ->
{line,resolve_arg(Index)};
%%
+%% R17A.
+%%
+resolve_inst({put_map_assoc,Args},_,_,_) ->
+ [FLbl,Src,Dst,{u,N},{{z,1},{u,_Len},List0}] = Args,
+ List = resolve_args(List0),
+ {put_map_assoc,FLbl,Src,Dst,N,{list,List}};
+
+resolve_inst({put_map_exact,Args},_,_,_) ->
+ [FLbl,Src,Dst,{u,N},{{z,1},{u,_Len},List0}] = Args,
+ List = resolve_args(List0),
+ {put_map_exact,FLbl,Src,Dst,N,{list,List}};
+
+resolve_inst({is_map,Args0},_,_,_) ->
+ [FLbl|Args] = resolve_args(Args0),
+ {test, is_map, FLbl, Args};
+
+resolve_inst({get_map_element,Args},_,_,_) ->
+ [FLbl,Src,Key,Dst] = resolve_args(Args),
+ {get_map_element,FLbl,Src,Key,Dst};
+
+%%
%% Catches instructions that are not yet handled.
%%
resolve_inst(X,_,_,_) -> ?exit({resolve_inst,X}).
diff --git a/lib/compiler/src/beam_flatten.erl b/lib/compiler/src/beam_flatten.erl
index 5603a677e8..534bc6d954 100644
--- a/lib/compiler/src/beam_flatten.erl
+++ b/lib/compiler/src/beam_flatten.erl
@@ -61,6 +61,10 @@ norm({set,[],[S],put}) -> {put,S};
norm({set,[D],[S],{get_tuple_element,I}}) -> {get_tuple_element,S,I,D};
norm({set,[],[S,D],{set_tuple_element,I}}) -> {set_tuple_element,S,D,I};
norm({set,[D1,D2],[S],get_list}) -> {get_list,S,D1,D2};
+norm({set,[D],[S|Puts],{alloc,R,{put_map,Op,F}}}) ->
+ {put_map,F,Op,S,D,R,{list,Puts}};
+norm({set,[D],[S],{get_map_element,K,F}}) ->
+ {get_map_element,F,S,K,D};
norm({set,[],[],remove_message}) -> remove_message;
norm({set,[],[],fclearerror}) -> fclearerror;
norm({set,[],[],fcheckerror}) -> {fcheckerror,{f,0}}.
diff --git a/lib/compiler/src/beam_jump.erl b/lib/compiler/src/beam_jump.erl
index d57fb80ac2..1f720b94c3 100644
--- a/lib/compiler/src/beam_jump.erl
+++ b/lib/compiler/src/beam_jump.erl
@@ -527,6 +527,10 @@ ulbl({bs_init,Lbl,_,_,_,_}, Used) ->
mark_used(Lbl, Used);
ulbl({bs_put,Lbl,_,_}, Used) ->
mark_used(Lbl, Used);
+ulbl({put_map,Lbl,_Op,_Src,_Dst,_Live,_List}, Used) ->
+ mark_used(Lbl, Used);
+ulbl({get_map_element,Lbl,_Src,_Key,_Dst}, Used) ->
+ mark_used(Lbl, Used);
ulbl(_, Used) -> Used.
mark_used({f,0}, Used) -> Used;
diff --git a/lib/compiler/src/beam_split.erl b/lib/compiler/src/beam_split.erl
index cacaaebffe..638a4826ea 100644
--- a/lib/compiler/src/beam_split.erl
+++ b/lib/compiler/src/beam_split.erl
@@ -49,6 +49,13 @@ split_block([{set,[R],As,{bif,N,{f,Lbl}=Fail}}|Is], Bl, Acc) when Lbl =/= 0 ->
split_block([{set,[R],As,{alloc,Live,{gc_bif,N,{f,Lbl}=Fail}}}|Is], Bl, Acc)
when Lbl =/= 0 ->
split_block(Is, [], [{gc_bif,N,Fail,Live,As,R}|make_block(Bl, Acc)]);
+split_block([{set,[D],[S|Puts],{alloc,R,{put_map,Op,{f,Lbl}=Fail}}}|Is],
+ Bl, Acc) when Lbl =/= 0 ->
+ split_block(Is, [], [{put_map,Fail,Op,S,D,R,{list,Puts}}|
+ make_block(Bl, Acc)]);
+split_block([{set,[D],[S],{get_map_element,K,{f,Lbl}=Fail}}|Is], Bl, Acc)
+ when Lbl =/= 0 ->
+ split_block(Is, [], [{get_map_element,Fail,S,K,D}|make_block(Bl, Acc)]);
split_block([{set,[R],[],{'catch',L}}|Is], Bl, Acc) ->
split_block(Is, [], [{'catch',R,L}|make_block(Bl, Acc)]);
split_block([{set,[],[],{line,_}=Line}|Is], Bl, Acc) ->
diff --git a/lib/compiler/src/beam_utils.erl b/lib/compiler/src/beam_utils.erl
index 36f3200d11..a3f16cfa8f 100644
--- a/lib/compiler/src/beam_utils.erl
+++ b/lib/compiler/src/beam_utils.erl
@@ -152,6 +152,7 @@ bif_to_test(is_function, [_]=Ops, Fail) -> {test,is_function,Fail,Ops};
bif_to_test(is_function, [_,_]=Ops, Fail) -> {test,is_function2,Fail,Ops};
bif_to_test(is_integer, [_]=Ops, Fail) -> {test,is_integer,Fail,Ops};
bif_to_test(is_list, [_]=Ops, Fail) -> {test,is_list,Fail,Ops};
+bif_to_test(is_map, [_]=Ops, Fail) -> {test,is_map,Fail,Ops};
bif_to_test(is_number, [_]=Ops, Fail) -> {test,is_number,Fail,Ops};
bif_to_test(is_pid, [_]=Ops, Fail) -> {test,is_pid,Fail,Ops};
bif_to_test(is_port, [_]=Ops, Fail) -> {test,is_port,Fail,Ops};
diff --git a/lib/compiler/src/beam_validator.erl b/lib/compiler/src/beam_validator.erl
index 48f5135aca..97f84da08f 100644
--- a/lib/compiler/src/beam_validator.erl
+++ b/lib/compiler/src/beam_validator.erl
@@ -865,9 +865,29 @@ valfun_4({bs_final,{f,Fail},Dst}, Vst0) ->
valfun_4({bs_final2,Src,Dst}, Vst0) ->
assert_term(Src, Vst0),
set_type_reg(binary, Dst, Vst0);
+%% Map instructions.
+valfun_4({put_map_assoc,{f,Fail},Src,Dst,Live,{list,List}}, Vst) ->
+ verify_put_map(Fail, Src, Dst, Live, List, Vst);
+valfun_4({put_map_exact,{f,Fail},Src,Dst,Live,{list,List}}, Vst) ->
+ verify_put_map(Fail, Src, Dst, Live, List, Vst);
+valfun_4({get_map_element,{f,Fail},Src,Key,Dst}, Vst0) ->
+ assert_term(Src, Vst0),
+ assert_term(Key, Vst0),
+ Vst = branch_state(Fail, Vst0),
+ set_type_reg(term, Dst, Vst);
valfun_4(_, _) ->
error(unknown_instruction).
+verify_put_map(Fail, Src, Dst, Live, List, Vst0) ->
+ verify_live(Live, Vst0),
+ verify_y_init(Vst0),
+ [assert_term(Term, Vst0) || Term <- List],
+ assert_term(Src, Vst0),
+ Vst1 = heap_alloc(0, Vst0),
+ Vst2 = branch_state(Fail, Vst1),
+ Vst = prune_x_regs(Live, Vst2),
+ set_type_reg(term, Dst, Vst).
+
%%
%% Common code for validating bs_get* instructions.
%%
diff --git a/lib/compiler/src/beam_z.erl b/lib/compiler/src/beam_z.erl
index 8c6b0c916d..9953a48710 100644
--- a/lib/compiler/src/beam_z.erl
+++ b/lib/compiler/src/beam_z.erl
@@ -74,6 +74,10 @@ undo_rename({bs_init,F,{I,Extra,U,Flags},Live,[Sz,Src],Dst}) ->
{I,F,Sz,Extra,Live,U,Src,Flags,Dst};
undo_rename({bs_init,_,bs_init_writable=I,_,_,_}) ->
I;
+undo_rename({put_map,Fail,assoc,S,D,R,L}) ->
+ {put_map_assoc,Fail,S,D,R,L};
+undo_rename({put_map,Fail,exact,S,D,R,L}) ->
+ {put_map_exact,Fail,S,D,R,L};
undo_rename({select,I,Reg,Fail,List}) ->
{I,Reg,Fail,{list,List}};
undo_rename(I) -> I.
diff --git a/lib/compiler/src/cerl.erl b/lib/compiler/src/cerl.erl
index 4b74d60e9f..60a8559950 100644
--- a/lib/compiler/src/cerl.erl
+++ b/lib/compiler/src/cerl.erl
@@ -120,7 +120,16 @@
update_c_bitstr/5, update_c_bitstr/6, ann_c_bitstr/5,
ann_c_bitstr/6, is_c_bitstr/1, bitstr_val/1, bitstr_size/1,
bitstr_bitsize/1, bitstr_unit/1, bitstr_type/1,
- bitstr_flags/1]).
+ bitstr_flags/1,
+
+ %% keep map exports here for now
+ map_es/1,
+ update_c_map/2,
+ ann_c_map/2,
+ map_pair_op/1,map_pair_key/1,map_pair_val/1,
+ update_c_map_pair/4,
+ ann_c_map_pair/4
+ ]).
-export_type([c_binary/0, c_call/0, c_clause/0, c_cons/0, c_fun/0, c_literal/0,
c_module/0, c_tuple/0, c_values/0, c_var/0, cerl/0, var_name/0]).
@@ -145,6 +154,8 @@
-type c_let() :: #c_let{}.
-type c_letrec() :: #c_letrec{}.
-type c_literal() :: #c_literal{}.
+-type c_map() :: #c_map{}.
+-type c_map_pair() :: #c_map_pair{}.
-type c_module() :: #c_module{}.
-type c_primop() :: #c_primop{}.
-type c_receive() :: #c_receive{}.
@@ -155,9 +166,10 @@
-type c_var() :: #c_var{}.
-type cerl() :: c_alias() | c_apply() | c_binary() | c_bitstr()
- | c_call() | c_case() | c_catch() | c_clause() | c_cons()
+ | c_call() | c_case() | c_catch() | c_clause() | c_cons()
| c_fun() | c_let() | c_letrec() | c_literal()
- | c_module() | c_primop() | c_receive() | c_seq()
+ | c_map() | c_map_pair()
+ | c_module() | c_primop() | c_receive() | c_seq()
| c_try() | c_tuple() | c_values() | c_var().
%% =====================================================================
@@ -250,8 +262,8 @@
-type ctype() :: 'alias' | 'apply' | 'binary' | 'bitrst' | 'call' | 'case'
| 'catch' | 'clause' | 'cons' | 'fun' | 'let' | 'letrec'
- | 'literal' | 'module' | 'primop' | 'receive' | 'seq' | 'try'
- | 'tuple' | 'values' | 'var'.
+ | 'literal' | 'map' | 'module' | 'primop' | 'receive' | 'seq'
+ | 'try' | 'tuple' | 'values' | 'var'.
-spec type(cerl()) -> ctype().
@@ -268,6 +280,8 @@ type(#c_fun{}) -> 'fun';
type(#c_let{}) -> 'let';
type(#c_letrec{}) -> letrec;
type(#c_literal{}) -> literal;
+type(#c_map{}) -> map;
+type(#c_map_pair{}) -> map_pair;
type(#c_module{}) -> module;
type(#c_primop{}) -> primop;
type(#c_receive{}) -> 'receive';
@@ -1558,6 +1572,34 @@ ann_make_list(_, [], Node) ->
%% ---------------------------------------------------------------------
+%% maps
+
+-spec map_es(c_map()) -> [cerl()].
+
+map_es(#c_map{es = Es}) ->
+ Es.
+
+ann_c_map(As, Es) ->
+ #c_map{es = Es, anno = As }.
+
+update_c_map(Old, Es) ->
+ #c_map{es = Es, anno = get_ann(Old)}.
+
+map_pair_key(#c_map_pair{key=K}) -> K.
+map_pair_val(#c_map_pair{val=V}) -> V.
+map_pair_op(#c_map_pair{op=Op}) -> Op.
+
+-spec ann_c_map_pair([term()], cerl(), cerl(), cerl()) ->
+ c_map_pair().
+
+ann_c_map_pair(As,Op,K,V) ->
+ #c_map_pair{op=Op, key = K, val=V, anno = As}.
+
+update_c_map_pair(Old,Op,K,V) ->
+ #c_map_pair{op=Op, key=K, val=V, anno = get_ann(Old)}.
+
+
+%% ---------------------------------------------------------------------
%% @spec c_tuple(Elements::[cerl()]) -> cerl()
%%
@@ -2945,6 +2987,10 @@ pat_vars(Node, Vs) ->
pat_vars(cons_hd(Node), pat_vars(cons_tl(Node), Vs));
tuple ->
pat_list_vars(tuple_es(Node), Vs);
+ map ->
+ pat_list_vars(map_es(Node), Vs);
+ map_pair ->
+ pat_list_vars([map_pair_op(Node),map_pair_key(Node),map_pair_val(Node)],Vs);
binary ->
pat_list_vars(binary_segments(Node), Vs);
bitstr ->
@@ -3803,7 +3849,6 @@ data_type(#c_cons{}) ->
data_type(#c_tuple{}) ->
tuple.
-
%% @spec data_es(Node::cerl()) -> [cerl()]
%%
%% @doc Returns the list of subtrees of a data constructor node. If
@@ -3835,7 +3880,6 @@ data_es(#c_cons{hd = H, tl = T}) ->
data_es(#c_tuple{es = Es}) ->
Es.
-
%% @spec data_arity(Node::cerl()) -> integer()
%%
%% @doc Returns the number of subtrees of a data constructor
@@ -3892,7 +3936,6 @@ ann_make_data(As, {atomic, V}, []) -> #c_literal{val = V, anno = As};
ann_make_data(As, cons, [H, T]) -> ann_c_cons(As, H, T);
ann_make_data(As, tuple, Es) -> ann_c_tuple(As, Es).
-
%% @spec update_data(Old::cerl(), Type::dtype(),
%% Elements::[cerl()]) -> cerl()
%% @see make_data/2
@@ -4022,6 +4065,10 @@ subtrees(T) ->
[[cons_hd(T)], [cons_tl(T)]];
tuple ->
[tuple_es(T)];
+ map ->
+ [map_es(T)];
+ map_pair ->
+ [[map_pair_op(T)],[map_pair_key(T)],[map_pair_val(T)]];
'let' ->
[let_vars(T), [let_arg(T)], [let_body(T)]];
seq ->
diff --git a/lib/compiler/src/cerl_inline.erl b/lib/compiler/src/cerl_inline.erl
index c6de63c69f..3837b57750 100644
--- a/lib/compiler/src/cerl_inline.erl
+++ b/lib/compiler/src/cerl_inline.erl
@@ -63,7 +63,11 @@
receive_clauses/1, receive_timeout/1, seq_arg/1,
seq_body/1, set_ann/2, try_arg/1, try_body/1, try_vars/1,
try_evars/1, try_handler/1, tuple_es/1, tuple_arity/1,
- type/1, values_es/1, var_name/1]).
+ type/1, values_es/1, var_name/1,
+ map_es/1, update_c_map/2,
+ update_c_map_pair/4,
+ map_pair_op/1, map_pair_key/1, map_pair_val/1
+ ]).
-import(lists, [foldl/3, foldr/3, mapfoldl/3, reverse/1]).
@@ -128,6 +132,8 @@ weight(call) -> 3; % Assume remote-calls as efficient as `apply'.
weight(primop) -> 2; % Assume more efficient than `apply'.
weight(binary) -> 4; % Initialisation base cost.
weight(bitstr) -> 3; % Coding/decoding a value; like a primop.
+weight(map) -> 4; % Initialisation base cost.
+weight(map_pair) -> 3; % Coding/decoding a value; like a primop.
weight(module) -> 1. % Like a letrec with a constant body
%% These "reference" structures are used for variables and function
@@ -333,6 +339,8 @@ i(E, Ctxt, Ren, Env, S0) ->
i_catch(E, Ctxt, Ren, Env, S);
binary ->
i_binary(E, Ren, Env, S);
+ map ->
+ i_map(E, Ctxt, Ren, Env, S);
module ->
i_module(E, Ctxt, Ren, Env, S)
end
@@ -1324,6 +1332,25 @@ i_bitstr(E, Ren, Env, S) ->
S3 = count_size(weight(bitstr), S2),
{update_c_bitstr(E, Val, Size, Unit, Type, Flags), S3}.
+i_map(E, Ctx, Ren, Env, S) ->
+ %% Visit the segments for value.
+ {Es, S1} = mapfoldl(fun (E, S) ->
+ i_map_pair(E, Ctx, Ren, Env, S)
+ end,
+ S, map_es(E)),
+ S2 = count_size(weight(map), S1),
+ {update_c_map(E, Es), S2}.
+
+i_map_pair(E, Ctx, Ren, Env, S) ->
+ %% It is not necessary to visit the Op and Key fields,
+ %% since these are always literals.
+ {Val, S1} = i(map_pair_val(E), Ctx, Ren, Env, S),
+ Op = map_pair_op(E),
+ Key = map_pair_key(E),
+ S2 = count_size(weight(map_pair), S1),
+ {update_c_map_pair(E, Op, Key, Val), S2}.
+
+
%% This is a simplified version of `i_pattern', for lists of parameter
%% variables only. It does not modify the state.
@@ -1383,6 +1410,14 @@ i_pattern(E, Ren, Env, Ren0, Env0, S) ->
S, binary_segments(E)),
S2 = count_size(weight(binary), S1),
{update_c_binary(E, Es), S2};
+ map ->
+ {Es, S1} = mapfoldl(fun (E, S) ->
+ i_map_pair_pattern(E, Ren, Env,
+ Ren0, Env0, S)
+ end,
+ S, map_es(E)),
+ S2 = count_size(weight(map), S1),
+ {update_c_map(E, Es), S2};
_ ->
case is_literal(E) of
true ->
@@ -1416,6 +1451,15 @@ i_bitstr_pattern(E, Ren, Env, Ren0, Env0, S) ->
S3 = count_size(weight(bitstr), S2),
{update_c_bitstr(E, Val, Size, Unit, Type, Flags), S3}.
+i_map_pair_pattern(E, Ren, Env, Ren0, Env0, S) ->
+ %% It is not necessary to visit the Op it is always a literal.
+ %% Same goes for Key
+ {Val, S1} = i_pattern(map_pair_val(E), Ren, Env, Ren0, Env0, S),
+ Op = map_pair_op(E), %% should be 'exact' literal
+ Key = map_pair_key(E),
+ S2 = count_size(weight(map_pair), S1),
+ {update_c_map_pair(E, Op, Key, Val), S2}.
+
%% ---------------------------------------------------------------------
%% Other central inlining functions
diff --git a/lib/compiler/src/cerl_trees.erl b/lib/compiler/src/cerl_trees.erl
index 1e3755025f..2542841eef 100644
--- a/lib/compiler/src/cerl_trees.erl
+++ b/lib/compiler/src/cerl_trees.erl
@@ -55,7 +55,15 @@
update_c_let/4, update_c_letrec/3, update_c_module/5,
update_c_primop/3, update_c_receive/4, update_c_seq/3,
update_c_try/6, update_c_tuple/2, update_c_tuple_skel/2,
- update_c_values/2, values_es/1, var_name/1]).
+ update_c_values/2, values_es/1, var_name/1,
+
+ map_es/1,
+ ann_c_map/2,
+ update_c_map/2,
+ map_pair_key/1,map_pair_val/1,map_pair_op/1,
+ ann_c_map_pair/4,
+ update_c_map_pair/4
+ ]).
%% ---------------------------------------------------------------------
@@ -129,6 +137,12 @@ map_1(F, T) ->
map(F, cons_tl(T)));
tuple ->
update_c_tuple_skel(T, map_list(F, tuple_es(T)));
+ map ->
+ update_c_map(T, map_list(F, map_es(T)));
+ map_pair ->
+ update_c_map_pair(T, map(F, map_pair_op(T)),
+ map(F, map_pair_key(T)),
+ map(F, map_pair_val(T)));
'let' ->
update_c_let(T, map_list(F, let_vars(T)),
map(F, let_arg(T)),
@@ -235,6 +249,14 @@ fold_1(F, S, T) ->
fold(F, fold(F, S, cons_hd(T)), cons_tl(T));
tuple ->
fold_list(F, S, tuple_es(T));
+ map ->
+ fold_list(F, S, map_es(T));
+ map_pair ->
+ fold(F,
+ fold(F,
+ fold(F, S, map_pair_op(T)),
+ map_pair_key(T)),
+ map_pair_val(T));
'let' ->
fold(F, fold(F, fold_list(F, S, let_vars(T)),
let_arg(T)),
@@ -349,6 +371,14 @@ mapfold(F, S0, T) ->
tuple ->
{Ts, S1} = mapfold_list(F, S0, tuple_es(T)),
F(update_c_tuple_skel(T, Ts), S1);
+ map ->
+ {Ts, S1} = mapfold_list(F, S0, map_es(T)),
+ F(update_c_map(T, Ts), S1);
+ map_pair ->
+ {Op, S1} = mapfold(F, S0, map_pair_op(T)),
+ {Key, S2} = mapfold(F, S1, map_pair_key(T)),
+ {Val, S3} = mapfold(F, S2, map_pair_val(T)),
+ F(update_c_map_pair(T,Op,Key,Val), S3);
'let' ->
{Vs, S1} = mapfold_list(F, S0, let_vars(T)),
{A, S2} = mapfold(F, S1, let_arg(T)),
@@ -488,6 +518,10 @@ variables(T, S) ->
variables(cons_tl(T), S));
tuple ->
vars_in_list(tuple_es(T), S);
+ map ->
+ vars_in_list(map_es(T), S);
+ map_pair ->
+ vars_in_list([map_pair_op(T),map_pair_key(T), map_pair_val(T)], S);
'let' ->
Vs = variables(let_body(T), S),
Vs1 = var_list_names(let_vars(T)),
@@ -688,6 +722,16 @@ label(T, N, Env) ->
{Ts, N1} = label_list(tuple_es(T), N, Env),
{As, N2} = label_ann(T, N1),
{ann_c_tuple_skel(As, Ts), N2};
+ map ->
+ {Ts, N1} = label_list(map_es(T), N, Env),
+ {As, N2} = label_ann(T, N1),
+ {ann_c_map(As, Ts), N2};
+ map_pair ->
+ {Op, N1} = label(map_pair_op(T), N, Env),
+ {Val, N2} = label(map_pair_key(T), N1, Env),
+ {Key, N3} = label(map_pair_val(T), N2, Env),
+ {As, N4} = label_ann(T, N3),
+ {ann_c_map_pair(As,Op,Key,Val), N4};
'let' ->
{A, N1} = label(let_arg(T), N, Env),
{Vs, N2, Env1} = label_vars(let_vars(T), N1, Env),
diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl
index 3db7ffc4d2..0bb4de6f17 100644
--- a/lib/compiler/src/compile.erl
+++ b/lib/compiler/src/compile.erl
@@ -230,12 +230,25 @@ format_error({undef_parse_transform,M}) ->
format_error({core_transform,M,R}) ->
io_lib:format("error in core transform '~s': ~tp", [M, R]);
format_error({crash,Pass,Reason}) ->
- io_lib:format("internal error in ~p;\ncrash reason: ~tp", [Pass,Reason]);
+ io_lib:format("internal error in ~p;\ncrash reason: ~ts", [Pass,format_error_reason(Reason)]);
format_error({bad_return,Pass,Reason}) ->
- io_lib:format("internal error in ~p;\nbad return value: ~tp", [Pass,Reason]);
+ io_lib:format("internal error in ~p;\nbad return value: ~ts", [Pass,format_error_reason(Reason)]);
format_error({module_name,Mod,Filename}) ->
- io_lib:format("Module name '~s' does not match file name '~ts'",
- [Mod,Filename]).
+ io_lib:format("Module name '~s' does not match file name '~ts'", [Mod,Filename]).
+
+format_error_reason({Reason, Stack}) when is_list(Stack) ->
+ StackFun = fun
+ (escript, run, 2) -> true;
+ (escript, start, 1) -> true;
+ (init, start_it, 1) -> true;
+ (init, start_em, 1) -> true;
+ (_Mod, _Fun, _Arity) -> false
+ end,
+ FormatFun = fun (Term, _) -> io_lib:format("~tp", [Term]) end,
+ [io_lib:format("~tp", [Reason]),"\n\n",
+ lib:format_stacktrace(1, erlang:get_stacktrace(), StackFun, FormatFun)];
+format_error_reason(Reason) ->
+ io_lib:format("~tp", [Reason]).
%% The compile state record.
-record(compile, {filename="" :: file:filename(),
diff --git a/lib/compiler/src/core_lib.erl b/lib/compiler/src/core_lib.erl
index 824be9ff7f..f506901099 100644
--- a/lib/compiler/src/core_lib.erl
+++ b/lib/compiler/src/core_lib.erl
@@ -105,6 +105,10 @@ vu_expr(V, #c_cons{hd=H,tl=T}) ->
vu_expr(V, H) orelse vu_expr(V, T);
vu_expr(V, #c_tuple{es=Es}) ->
vu_expr_list(V, Es);
+vu_expr(V, #c_map{es=Es}) ->
+ vu_expr_list(V, Es);
+vu_expr(V, #c_map_pair{key=Key,val=Val}) ->
+ vu_expr_list(V, [Key,Val]);
vu_expr(V, #c_binary{segments=Ss}) ->
vu_seg_list(V, Ss);
vu_expr(V, #c_fun{vars=Vs,body=B}) ->
diff --git a/lib/compiler/src/core_lint.erl b/lib/compiler/src/core_lint.erl
index 67d37ff1fc..36165245a6 100644
--- a/lib/compiler/src/core_lint.erl
+++ b/lib/compiler/src/core_lint.erl
@@ -254,6 +254,10 @@ gexpr(#c_cons{hd=H,tl=T}, Def, _Rt, St) ->
gexpr_list([H,T], Def, St);
gexpr(#c_tuple{es=Es}, Def, _Rt, St) ->
gexpr_list(Es, Def, St);
+gexpr(#c_map{es=Es}, Def, _Rt, St) ->
+ gexpr_list(Es, Def, St);
+gexpr(#c_map_pair{key=K,val=V}, Def, _Rt, St) ->
+ gexpr_list([K,V], Def, St);
gexpr(#c_binary{segments=Ss}, Def, _Rt, St) ->
gbitstr_list(Ss, Def, St);
gexpr(#c_seq{arg=Arg,body=B}, Def, Rt, St0) ->
@@ -278,6 +282,7 @@ gexpr(#c_case{arg=Arg,clauses=Cs}, Def, Rt, St0) ->
St1 = gbody(Arg, Def, PatCount, St0),
clauses(Cs, Def, PatCount, Rt, St1);
gexpr(_Core, _, _, St) ->
+ %%io:fwrite("clint gexpr: ~p~n", [_Core]),
add_error({illegal_guard,St#lint.func}, St).
%% gexpr_list([Expr], Defined, State) -> State.
@@ -303,6 +308,10 @@ expr(#c_cons{hd=H,tl=T}, Def, _Rt, St) ->
expr_list([H,T], Def, St);
expr(#c_tuple{es=Es}, Def, _Rt, St) ->
expr_list(Es, Def, St);
+expr(#c_map{es=Es}, Def, _Rt, St) ->
+ expr_list(Es, Def, St);
+expr(#c_map_pair{key=K,val=V},Def,_Rt,St) ->
+ expr_list([K,V],Def,St);
expr(#c_binary{segments=Ss}, Def, _Rt, St) ->
bitstr_list(Ss, Def, St);
expr(#c_fun{vars=Vs,body=B}, Def, Rt, St0) ->
@@ -355,7 +364,7 @@ expr(#c_try{arg=A,vars=Vs,body=B,evars=Evs,handler=H}, Def, Rt, St0) ->
{Ens,St5} = variable_list(Evs, St4),
body(H, union(Ens, Def), Rt, St5);
expr(_Other, _, _, St) ->
- %%io:fwrite("clint: ~p~n", [_Other]),
+ %%io:fwrite("clint expr: ~p~n", [_Other]),
add_error({illegal_expr,St#lint.func}, St).
%% expr_list([Expr], Defined, State) -> State.
@@ -454,13 +463,19 @@ pattern(#c_cons{hd=H,tl=T}, Def, Ps, St) ->
pattern_list([H,T], Def, Ps, St);
pattern(#c_tuple{es=Es}, Def, Ps, St) ->
pattern_list(Es, Def, Ps, St);
+pattern(#c_map{es=Es}, Def, Ps, St) ->
+ pattern_list(Es, Def, Ps, St);
+pattern(#c_map_pair{op=#c_literal{val=exact},key=K,val=V},Def,Ps,St) ->
+ pattern_list([K,V],Def,Ps,St);
pattern(#c_binary{segments=Ss}, Def, Ps, St0) ->
St = pat_bin_tail_check(Ss, St0),
pat_bin(Ss, Def, Ps, St);
pattern(#c_alias{var=V,pat=P}, Def, Ps, St0) ->
{Vvs,St1} = variable(V, Ps, St0),
pattern(P, Def, union(Vvs, Ps), St1);
-pattern(_, _, Ps, St) -> {Ps,add_error({not_pattern,St#lint.func}, St)}.
+pattern(_Other, _, Ps, St) ->
+ %%io:fwrite("clint pattern: ~p~n", [_Other]),
+ {Ps,add_error({not_pattern,St#lint.func}, St)}.
pat_var(N, _Def, Ps, St) ->
case is_element(N, Ps) of
diff --git a/lib/compiler/src/core_parse.hrl b/lib/compiler/src/core_parse.hrl
index 0b8f4d8895..d54715ef59 100644
--- a/lib/compiler/src/core_parse.hrl
+++ b/lib/compiler/src/core_parse.hrl
@@ -96,3 +96,12 @@
-record(c_values, {anno=[], es}). % es :: [Tree]
-record(c_var, {anno=[], name :: cerl:var_name()}).
+
+-record(c_map_pair, {anno=[],
+ op :: #c_literal{val::'assoc'} | #c_literal{val::'exact'},
+ key,
+ val}).
+
+-record(c_map, {anno=[],
+ var=#c_literal{val=[]} :: #c_var{} | #c_literal{},
+ es :: [#c_map_pair{}]}).
diff --git a/lib/compiler/src/core_parse.yrl b/lib/compiler/src/core_parse.yrl
index 4e98a8c2da..b8db0f683a 100644
--- a/lib/compiler/src/core_parse.yrl
+++ b/lib/compiler/src/core_parse.yrl
@@ -21,6 +21,8 @@
%% Have explicit productions for annotated phrases named anno_XXX.
%% This just does an XXX and adds the annotation.
+Expect 1.
+
Nonterminals
module_definition module_export module_attribute module_defs
@@ -44,6 +46,9 @@ receive_expr timeout try_expr
sequence catch_expr
variable clause clause_pattern
+map_expr map_pairs map_pair map_pair_assoc map_pair_exact
+map_pattern map_pair_patterns map_pair_pattern
+
annotation anno_fun anno_expression anno_expressions
anno_variable anno_variables anno_pattern anno_patterns
anno_function_name
@@ -53,7 +58,7 @@ Terminals
%% Separators
-'(' ')' '{' '}' '[' ']' '|' ',' '->' '=' '/' '<' '>' ':' '-|' '#'
+'(' ')' '{' '}' '[' ']' '|' ',' '->' '=' '/' '<' '>' ':' '-|' '#' '~' '::'
%% Keywords (atoms are assumed to always be single-quoted).
@@ -166,6 +171,7 @@ anno_patterns -> anno_pattern : ['$1'].
other_pattern -> atomic_pattern : '$1'.
other_pattern -> tuple_pattern : '$1'.
+other_pattern -> map_pattern : '$1'.
other_pattern -> cons_pattern : '$1'.
other_pattern -> binary_pattern : '$1'.
other_pattern -> anno_variable '=' anno_pattern :
@@ -176,6 +182,16 @@ atomic_pattern -> atomic_literal : '$1'.
tuple_pattern -> '{' '}' : c_tuple([]).
tuple_pattern -> '{' anno_patterns '}' : c_tuple('$2').
+map_pattern -> '~' '{' '}' '~' : #c_map{es=[]}.
+map_pattern -> '~' '{' map_pair_patterns '}' '~' :
+ #c_map{es=lists:sort('$3')}.
+
+map_pair_patterns -> map_pair_pattern : ['$1'].
+map_pair_patterns -> map_pair_pattern ',' map_pair_patterns : ['$1' | '$3'].
+
+map_pair_pattern -> '~' '<' anno_pattern ',' anno_pattern '>' :
+ #c_map_pair{op=#c_literal{val=exact},key='$3',val='$5'}.
+
cons_pattern -> '[' anno_pattern tail_pattern :
#c_cons{hd='$2',tl='$3'}.
@@ -240,6 +256,7 @@ single_expression -> primop_expr : '$1'.
single_expression -> try_expr : '$1'.
single_expression -> sequence : '$1'.
single_expression -> catch_expr : '$1'.
+single_expression -> map_expr : '$1'.
literal -> atomic_literal : '$1'.
literal -> tuple_literal : '$1'.
@@ -267,6 +284,22 @@ tail_literal -> ',' literal tail_literal : #c_cons{hd='$2',tl='$3'}.
tuple -> '{' '}' : c_tuple([]).
tuple -> '{' anno_expressions '}' : c_tuple('$2').
+map_expr -> '~' '{' '}' '~' : #c_map{es=[]}.
+map_expr -> '~' '{' map_pairs '}' '~' : #c_map{es='$3'}.
+map_expr -> variable '~' '{' '}' '~' : #c_map{var='$1',es=[]}.
+map_expr -> variable '~' '{' map_pairs '}' '~' : #c_map{var='$1',es='$4'}.
+
+map_pairs -> map_pair : ['$1'].
+map_pairs -> map_pair ',' map_pairs : ['$1' | '$3'].
+
+map_pair -> map_pair_assoc : '$1'.
+map_pair -> map_pair_exact : '$1'.
+
+map_pair_assoc -> '::' '<' anno_expression ',' anno_expression'>' :
+ #c_map_pair{op=#c_literal{val=assoc},key='$3',val='$5'}.
+map_pair_exact -> '~' '<' anno_expression ',' anno_expression'>' :
+ #c_map_pair{op=#c_literal{val=exact},key='$3',val='$5'}.
+
cons -> '[' anno_expression tail : c_cons('$2', '$3').
tail -> ']' : #c_literal{val=[]}.
@@ -381,3 +414,5 @@ Erlang code.
tok_val(T) -> element(3, T).
tok_line(T) -> element(2, T).
+
+%% vim: syntax=erlang
diff --git a/lib/compiler/src/core_pp.erl b/lib/compiler/src/core_pp.erl
index 1f91a52be3..faa26ec6df 100644
--- a/lib/compiler/src/core_pp.erl
+++ b/lib/compiler/src/core_pp.erl
@@ -161,6 +161,27 @@ format_1(#c_tuple{es=Es}, Ctxt) ->
format_hseq(Es, ",", add_indent(Ctxt, 1), fun format/2),
$}
];
+format_1(#c_map{var=#c_var{}=Var,es=Es}, Ctxt) ->
+ [format_1(Var, Ctxt),
+ "~{",
+ format_hseq(Es, ",", add_indent(Ctxt, 1), fun format/2),
+ "}~"
+ ];
+format_1(#c_map{es=Es}, Ctxt) ->
+ ["~{",
+ format_hseq(Es, ",", add_indent(Ctxt, 1), fun format/2),
+ "}~"
+ ];
+format_1(#c_map_pair{op=#c_literal{val=assoc},key=K,val=V}, Ctxt) ->
+ ["::<",
+ format_hseq([K,V], ",", add_indent(Ctxt, 1), fun format/2),
+ ">"
+ ];
+format_1(#c_map_pair{op=#c_literal{val=exact},key=K,val=V}, Ctxt) ->
+ ["~<",
+ format_hseq([K,V], ",", add_indent(Ctxt, 1), fun format/2),
+ ">"
+ ];
format_1(#c_cons{hd=H,tl=T}, Ctxt) ->
Txt = ["["|format(H, add_indent(Ctxt, 1))],
[Txt|format_list_tail(T, add_indent(Ctxt, width(Txt, Ctxt)))];
diff --git a/lib/compiler/src/core_scan.erl b/lib/compiler/src/core_scan.erl
index a4fe920258..b7799b373a 100644
--- a/lib/compiler/src/core_scan.erl
+++ b/lib/compiler/src/core_scan.erl
@@ -271,6 +271,8 @@ scan1("->" ++ Cs, Toks, Pos) ->
scan1(Cs, [{'->',Pos}|Toks], Pos);
scan1("-|" ++ Cs, Toks, Pos) ->
scan1(Cs, [{'-|',Pos}|Toks], Pos);
+scan1("::" ++ Cs, Toks, Pos) ->
+ scan1(Cs, [{'::',Pos}|Toks], Pos);
scan1([C|Cs], Toks, Pos) -> %Punctuation character
P = list_to_atom([C]),
scan1(Cs, [{P,Pos}|Toks], Pos);
diff --git a/lib/compiler/src/genop.tab b/lib/compiler/src/genop.tab
index ebc9b1c85b..79b467f949 100755
--- a/lib/compiler/src/genop.tab
+++ b/lib/compiler/src/genop.tab
@@ -528,3 +528,11 @@ BEAM_FORMAT_NUMBER=0
# R15A
153: line/1
+
+# R16
+
+154: put_map_assoc/5
+155: put_map_exact/5
+156: is_map/2
+157: has_map_field/3
+158: get_map_element/4
diff --git a/lib/compiler/src/sys_core_dsetel.erl b/lib/compiler/src/sys_core_dsetel.erl
index f6696992b9..60d83763f8 100644
--- a/lib/compiler/src/sys_core_dsetel.erl
+++ b/lib/compiler/src/sys_core_dsetel.erl
@@ -102,6 +102,13 @@ visit(Env, #c_literal{}=R) ->
visit(Env0, #c_tuple{es=Es0}=R) ->
{Es1,Env1} = visit_list(Env0, Es0),
{R#c_tuple{es=Es1}, Env1};
+visit(Env0, #c_map{es=Es0}=R) ->
+ {Es1,Env1} = visit_list(Env0, Es0),
+ {R#c_map{es=Es1}, Env1};
+visit(Env0, #c_map_pair{key=K0,val=V0}=R) ->
+ {K,Env1} = visit(Env0, K0),
+ {V,Env2} = visit(Env1, V0),
+ {R#c_map_pair{key=K,val=V}, Env2};
visit(Env0, #c_cons{hd=H0,tl=T0}=R) ->
{H1,Env1} = visit(Env0, H0),
{T1,Env2} = visit(Env1, T0),
@@ -212,6 +219,11 @@ visit_pat(Env0, #c_var{name=V}, Vs) ->
{[V|Vs], dict:store(V, 0, Env0)};
visit_pat(Env0, #c_tuple{es=Es}, Vs) ->
visit_pats(Es, Env0, Vs);
+visit_pat(Env0, #c_map{es=Es}, Vs) ->
+ visit_pats(Es, Env0, Vs);
+visit_pat(Env0, #c_map_pair{op=#c_literal{val=exact},key=V,val=K}, Vs0) ->
+ {Vs1, Env1} = visit_pat(Env0, V, Vs0),
+ visit_pat(Env1, K, Vs1);
visit_pat(Env0, #c_cons{hd=H,tl=T}, Vs0) ->
{Vs1, Env1} = visit_pat(Env0, H, Vs0),
visit_pat(Env1, T, Vs1);
diff --git a/lib/compiler/src/sys_core_fold.erl b/lib/compiler/src/sys_core_fold.erl
index a388960312..1cdbac5693 100644
--- a/lib/compiler/src/sys_core_fold.erl
+++ b/lib/compiler/src/sys_core_fold.erl
@@ -246,6 +246,16 @@ expr(#c_tuple{anno=Anno,es=Es0}=Tuple, Ctxt, Sub) ->
value ->
ann_c_tuple(Anno, Es)
end;
+expr(#c_map{var=V0,es=Es0}=Map, Ctxt, Sub) ->
+ Es = pair_list(Es0, Ctxt, Sub),
+ case Ctxt of
+ effect ->
+ add_warning(Map, useless_building),
+ expr(make_effect_seq(Es, Sub), Ctxt, Sub);
+ value ->
+ V = expr(V0, Ctxt, Sub),
+ Map#c_map{var=V,es=Es}
+ end;
expr(#c_binary{segments=Ss}=Bin0, Ctxt, Sub) ->
%% Warn for useless building, but always build the binary
%% anyway to preserve a possible exception.
@@ -408,6 +418,16 @@ expr(#c_try{anno=A,arg=E0,vars=Vs0,body=B0,evars=Evs0,handler=H0}=Try, _, Sub0)
expr_list(Es, Ctxt, Sub) ->
[expr(E, Ctxt, Sub) || E <- Es].
+pair_list(Es, Ctxt, Sub) ->
+ [pair(E, Ctxt, Sub) || E <- Es].
+
+pair(#c_map_pair{key=K,val=V}, effect, Sub) ->
+ make_effect_seq([K,V], Sub);
+pair(#c_map_pair{key=K0,val=V0}=Pair, value=Ctxt, Sub) ->
+ K = expr(K0, Ctxt, Sub),
+ V = expr(V0, Ctxt, Sub),
+ Pair#c_map_pair{key=K,val=V}.
+
bitstr_list(Es, Sub) ->
[bitstr(E, Sub) || E <- Es].
@@ -677,7 +697,7 @@ useless_call(effect, #c_call{anno=Anno,
useless_call(_, _) -> no.
%% make_effect_seq([Expr], Sub) -> #c_seq{}|void()
-%% Convert a list of epressions evaluated in effect context to a chain of
+%% Convert a list of expressions evaluated in effect context to a chain of
%% #c_seq{}. The body in the innermost #c_seq{} will be void().
%% Anything that will not have any effect will be thrown away.
@@ -1500,6 +1520,9 @@ pattern(#c_cons{anno=Anno,hd=H0,tl=T0}, Isub, Osub0) ->
pattern(#c_tuple{anno=Anno,es=Es0}, Isub, Osub0) ->
{Es1,Osub1} = pattern_list(Es0, Isub, Osub0),
{ann_c_tuple(Anno, Es1),Osub1};
+pattern(#c_map{anno=Anno,es=Es0}=Map, Isub, Osub0) ->
+ {Es1,Osub1} = map_pair_pattern_list(Es0, Isub, Osub0),
+ {Map#c_map{anno=Anno,es=Es1},Osub1};
pattern(#c_binary{segments=V0}=Pat, Isub, Osub0) ->
{V1,Osub1} = bin_pattern_list(V0, Isub, Osub0),
{Pat#c_binary{segments=V1},Osub1};
@@ -1509,6 +1532,15 @@ pattern(#c_alias{var=V0,pat=P0}=Pat, Isub, Osub0) ->
Osub = update_types(V1, [P1], Osub2),
{Pat#c_alias{var=V1,pat=P1},Osub}.
+map_pair_pattern_list(Ps0, Isub, Osub0) ->
+ {Ps,{_,Osub}} = mapfoldl(fun map_pair_pattern/2, {Isub,Osub0}, Ps0),
+ {Ps,Osub}.
+
+map_pair_pattern(#c_map_pair{op=#c_literal{val=exact},key=K0,val=V0}=Pair, {Isub,Osub0}) ->
+ {K,Osub1} = pattern(K0, Isub, Osub0),
+ {V,Osub} = pattern(V0, Isub, Osub1),
+ {Pair#c_map_pair{key=K,val=V},{Isub,Osub}}.
+
bin_pattern_list(Ps0, Isub, Osub0) ->
{Ps,{_,Osub}} = mapfoldl(fun bin_pattern/2, {Isub,Osub0}, Ps0),
{Ps,Osub}.
@@ -2987,6 +3019,9 @@ format_error(result_ignored) ->
"(suppress the warning by assigning the expression to the _ variable)";
format_error(useless_building) ->
"a term is constructed, but never used";
+format_error({map_pair_key_overloaded,K}) ->
+ M = io_lib:format("the key ~p is used multiple times in map value association",[K]),
+ flatten(M);
format_error(bin_opt_alias) ->
"INFO: the '=' operator will prevent delayed sub binary optimization";
format_error(bin_partition) ->
diff --git a/lib/compiler/src/sys_pre_expand.erl b/lib/compiler/src/sys_pre_expand.erl
index 48d9c16718..9998043013 100644
--- a/lib/compiler/src/sys_pre_expand.erl
+++ b/lib/compiler/src/sys_pre_expand.erl
@@ -228,6 +228,13 @@ pattern({cons,Line,H,T}, St0) ->
pattern({tuple,Line,Ps}, St0) ->
{TPs,St1} = pattern_list(Ps, St0),
{{tuple,Line,TPs},St1};
+pattern({map,Line,Ps}, St0) ->
+ {TPs,St1} = pattern_list(Ps, St0),
+ {{map,Line,TPs},St1};
+pattern({map_field_exact,Line,K0,V0}, St0) ->
+ {K,St1} = pattern(K0, St0),
+ {V,St2} = pattern(V0, St1),
+ {{map_field_exact,Line,K,V},St2};
%%pattern({struct,Line,Tag,Ps}, St0) ->
%% {TPs,TPsvs,St1} = pattern_list(Ps, St0),
%% {{tuple,Line,[{atom,Line,Tag}|TPs]},TPsvs,St1};
@@ -321,6 +328,20 @@ expr({tuple,Line,Es0}, St0) ->
%%expr({struct,Line,Tag,Es0}, Vs, St0) ->
%% {Es1,Esvs,Esus,St1} = expr_list(Es0, Vs, St0),
%% {{tuple,Line,[{atom,Line,Tag}|Es1]},Esvs,Esus,St1};
+expr({map,Line,Es0}, St0) ->
+ {Es1,St1} = expr_list(Es0, St0),
+ {{map,Line,Es1},St1};
+expr({map,Line,Var,Es0}, St0) ->
+ {Es1,St1} = expr_list(Es0, St0),
+ {{map,Line,Var,Es1},St1};
+expr({map_field_assoc,Line,K0,V0}, St0) ->
+ {K,St1} = expr(K0, St0),
+ {V,St2} = expr(V0, St1),
+ {{map_field_assoc,Line,K,V},St2};
+expr({map_field_exact,Line,K0,V0}, St0) ->
+ {K,St1} = expr(K0, St0),
+ {V,St2} = expr(V0, St1),
+ {{map_field_exact,Line,K,V},St2};
expr({bin,Line,Es0}, St0) ->
{Es1,St1} = expr_bin(Es0, St0),
{{bin,Line,Es1},St1};
diff --git a/lib/compiler/src/v3_codegen.erl b/lib/compiler/src/v3_codegen.erl
index f534500671..c8735a76e8 100644
--- a/lib/compiler/src/v3_codegen.erl
+++ b/lib/compiler/src/v3_codegen.erl
@@ -210,6 +210,8 @@ need_heap_0([], H, Acc) ->
need_heap_1(#l{ke={set,_,{binary,_}},i=I}, H) ->
{need_heap_need(I, H),0};
+need_heap_1(#l{ke={set,_,{map,_,_}},i=I}, H) ->
+ {need_heap_need(I, H),0};
need_heap_1(#l{ke={set,_,Val}}, H) ->
%% Just pass through adding to needed heap.
{[],H + case Val of
@@ -453,8 +455,11 @@ basic_block([Le|Les], Acc) ->
end;
no_block -> {reverse(Acc, [Le]),Les}
end.
+
+%% sets that may garbage collect are not allowed in basic blocks.
collect_block({set,_,{binary,_}}) -> no_block;
+collect_block({set,_,{map,_,_}}) -> no_block;
collect_block({set,_,_}) -> include;
collect_block({call,{var,_}=Var,As,_Rs}) -> {block_end,As++[Var]};
collect_block({call,Func,As,_Rs}) -> {block_end,As++func_vars(Func)};
@@ -594,14 +599,13 @@ top_level_block(Keis, Bef, MaxRegs, _St) ->
%% number to the outer catch, which is wrong.
turn_yregs(0, Tp, _) -> Tp;
-turn_yregs(El, Tp, MaxY) when element(1, element(El, Tp)) =:= yy ->
- turn_yregs(El-1, setelement(El, Tp, {y,MaxY-element(2, element(El, Tp))}), MaxY);
-turn_yregs(El, Tp, MaxY) when is_list(element(El, Tp)) ->
- New = map(fun ({yy,YY}) -> {y,MaxY-YY};
- (Other) -> Other end, element(El, Tp)),
- turn_yregs(El-1, setelement(El, Tp, New), MaxY);
turn_yregs(El, Tp, MaxY) ->
- turn_yregs(El-1, Tp, MaxY).
+ turn_yregs(El-1,setelement(El,Tp,turn_yreg(element(El,Tp),MaxY)),MaxY).
+
+turn_yreg({yy,YY},MaxY) -> {y,MaxY-YY};
+turn_yreg({list,Ls},MaxY) -> {list, turn_yreg(Ls,MaxY)};
+turn_yreg(Ts,MaxY) when is_list(Ts) -> [turn_yreg(T,MaxY)||T<-Ts];
+turn_yreg(Other,_MaxY) -> Other.
%% select_cg(Sclause, V, TypeFail, ValueFail, StackReg, State) ->
%% {Is,StackReg,State}.
@@ -623,6 +627,8 @@ select_cg(#l{ke={type_clause,bin_int,S}}, {var,V}, Tf, _Vf, Bef, St) ->
select_bin_segs(S, V, Tf, Bef, St);
select_cg(#l{ke={type_clause,bin_end,[S]}}, {var,V}, Tf, _Vf, Bef, St) ->
select_bin_end(S, V, Tf, Bef, St);
+select_cg(#l{ke={type_clause,map,S}}, {var,V}, Tf, Vf, Bef, St) ->
+ select_map(S, V, Tf, Vf, Bef, St);
select_cg(#l{ke={type_clause,Type,Scs}}, {var,V}, Tf, Vf, Bef, St0) ->
{Vis,{Aft,St1}} =
mapfoldl(fun (S, {Int,Sta}) ->
@@ -637,6 +643,10 @@ select_val_cg(tuple, R, [Arity,{f,Lbl}], Tf, Vf, [{label,Lbl}|Sis]) ->
[{test,is_tuple,{f,Tf},[R]},{test,test_arity,{f,Vf},[R,Arity]}|Sis];
select_val_cg(tuple, R, Vls, Tf, Vf, Sis) ->
[{test,is_tuple,{f,Tf},[R]},{select_tuple_arity,R,{f,Vf},{list,Vls}}|Sis];
+select_val_cg(map, R, [_Val,{f,Lbl}], Fail, Fail, [{label,Lbl}|Sis]) ->
+ [{test,is_map,{f,Fail},[R]}|Sis];
+select_val_cg(map, R, [_Val,{f,Lbl}|_], Tf, _Vf, [{label,Lbl}|Sis]) ->
+ [{test,is_map,{f,Tf},[R]}|Sis];
select_val_cg(Type, R, [Val, {f,Lbl}], Fail, Fail, [{label,Lbl}|Sis]) ->
[{test,is_eq_exact,{f,Fail},[R,{Type,Val}]}|Sis];
select_val_cg(Type, R, [Val, {f,Lbl}], Tf, Vf, [{label,Lbl}|Sis]) ->
@@ -915,6 +925,36 @@ select_extract_tuple(Src, Vs, I, Vdb, Bef, St) ->
{Es,{Aft,_}} = flatmapfoldl(F, {Bef,0}, Vs),
{Es,Aft,St}.
+select_map(Scs, V, Tf, Vf, Bef, St0) ->
+ Reg = fetch_var(V, Bef),
+ {Is,Aft,St1} =
+ match_fmf(fun(#l{ke={val_clause,{map,Es},B},i=I,vdb=Vdb}, Fail, St1) ->
+ select_map_val(V, Es, B, Fail, I, Vdb, Bef, St1)
+ end, Vf, St0, Scs),
+ {[{test,is_map,{f,Tf},[Reg]}|Is],Aft,St1}.
+
+select_map_val(V, Es, B, Fail, I, Vdb, Bef, St0) ->
+ {Eis,Int,St1} = select_extract_map(V, Es, Fail, I, Vdb, Bef, St0),
+ {Bis,Aft,St2} = match_cg(B, Fail, Int, St1),
+ {Eis++Bis,Aft,St2}.
+
+select_extract_map(Src, Vs, Fail, I, Vdb, Bef, St) ->
+ F = fun ({map_pair,Key,{var,V}}, Int0) ->
+ Rsrc = fetch_var(Src, Int0),
+ case vdb_find(V, Vdb) of
+ {V,_,L} when L =< I ->
+ {[{test,has_map_field,{f,Fail},[Rsrc,Key]}],Int0};
+ _Other ->
+ Reg1 = put_reg(V, Int0#sr.reg),
+ Int1 = Int0#sr{reg=Reg1},
+ {[{get_map_element,{f,Fail},
+ Rsrc,Key,fetch_reg(V, Reg1)}],
+ Int1}
+ end
+ end,
+ {Es,Aft} = flatmapfoldl(F, Bef, Vs),
+ {Es,Aft,St}.
+
select_extract_cons(Src, [{var,Hd}, {var,Tl}], I, Vdb, Bef, St) ->
{Es,Aft} = case {vdb_find(Hd, Vdb), vdb_find(Tl, Vdb)} of
{{_,_,Lhd}, {_,_,Ltl}} when Lhd =< I, Ltl =< I ->
@@ -1408,7 +1448,7 @@ catch_cg(C, {var,R}, Le, Vdb, Bef, St0) ->
%% annotation must reflect this and make sure that the return
%% variable is allocated first.
%%
-%% put_list for constructing a cons is an atomic instruction
+%% put_list and put_map are atomic instructions, both of
%% which can safely resuse one of the source registers as target.
set_cg([{var,R}], {cons,Es}, Le, Vdb, Bef, St) ->
@@ -1448,6 +1488,55 @@ set_cg([{var,R}], {binary,Segs}, Le, Vdb, Bef,
%% Now generate the complete code for constructing the binary.
Code = cg_binary(PutCode, Target, Temp, Fail, MaxRegs, Le#l.a),
{Sis++Code,Aft,St};
+set_cg([{var,R}], {map,SrcMap,Es0}, Le, Vdb, Bef,
+ #cg{in_catch=InCatch,bfail=Bfail}=St) ->
+ Fail = {f,Bfail},
+ {Sis,Int0} =
+ case InCatch of
+ true -> adjust_stack(Bef, Le#l.i, Le#l.i+1, Vdb);
+ false -> {[],Bef}
+ end,
+ Line = line(Le#l.a),
+ SrcReg = case SrcMap of
+ {var,SrcVar} -> fetch_var(SrcVar, Int0);
+ _ -> SrcMap
+ end,
+ {Assoc,Exact} =
+ try
+ cg_map_pairs(Es0)
+ catch
+ throw:badarg ->
+ {[],[{{float,0.0},{atom,badarg}},
+ {{integer,0},{atom,badarg}}]}
+ end,
+ F = fun ({K,{var,V}}) -> [K,fetch_var(V, Int0)];
+ ({K,E}) -> [K,E]
+ end,
+ AssocList = flatmap(F, Assoc),
+ ExactList = flatmap(F, Exact),
+ Live0 = max_reg(Bef#sr.reg),
+ Int1 = clear_dead(Int0, Le#l.i, Vdb),
+ Aft = Bef#sr{reg=put_reg(R, Int1#sr.reg)},
+ Target = fetch_reg(R, Aft#sr.reg),
+ Code = [Line] ++
+ case {AssocList,ExactList} of
+ {[_|_],[]} ->
+ [{put_map_assoc,Fail,SrcReg,Target,Live0,{list,AssocList}}];
+ {[_|_],[_|_]} ->
+ Live = case Target of
+ {x,TargetX} when TargetX =:= Live0 ->
+ Live0 + 1;
+ _ ->
+ Live0
+ end,
+ [{put_map_assoc,Fail,SrcReg,Target,Live0,{list,AssocList}},
+ {put_map_exact,Fail,Target,Target,Live,{list,ExactList}}];
+ {[],[_|_]} ->
+ [{put_map_exact,Fail,SrcReg,Target,Live0,{list,ExactList}}];
+ {[],[]} ->
+ [{put_map_assoc,Fail,SrcReg,Target,Live0,{list,[]}}]
+ end,
+ {Sis++Code,Aft,St};
set_cg([{var,R}], Con, Le, Vdb, Bef, St) ->
%% Find a place for the return register first.
Int = Bef#sr{reg=put_reg(R, Bef#sr.reg)},
@@ -1460,6 +1549,71 @@ set_cg([{var,R}], Con, Le, Vdb, Bef, St) ->
end,
{Ais,clear_dead(Int, Le#l.i, Vdb),St}.
+%% cg_map_pairs(MapPairs) -> {Assoc,Exact}
+%% Assoc = Exact = [{K,V}]
+%%
+%% Remove multiple assignments to the same key, and return
+%% one list key-value list with all keys that may or may not exist
+%% (Assoc), and one with keys that must exist (Exact).
+%%
+
+cg_map_pairs(Es0) ->
+ Es = cg_map_pairs_1(Es0, 0),
+ R0 = sofs:relation(Es),
+ R1 = sofs:relation_to_family(R0),
+ R2 = sofs:to_external(R1),
+
+ %% R2 is now [{KeyValue,[{Order,Op,OriginalKey,Value}]}]
+ R3 = [begin
+ %% The value for the last pair determines the value.
+ {_,_,_,V} = lists:last(Vs),
+ {Op,{_,SortOrder}=K} = map_pair_op_and_key(Vs),
+ {Op,{SortOrder,K,V}}
+ end || {_,Vs} <- R2],
+
+ %% R3 is now [{Op,{Key,Value}}]
+ R = termsort(R3),
+
+ %% R4 is now sorted with all alloc first in the list, followed by
+ %% all exact.
+ {Assoc,Exact} = lists:partition(fun({Op,_}) -> Op =:= assoc end, R),
+ {[{K,V} || {_,{_,K,V}} <- Assoc],
+ [{K,V} || {_,{_,K,V}} <- Exact]}.
+
+cg_map_pairs_1([{map_pair_assoc,{_,Kv}=K,V}|T], Order) ->
+ [{Kv,{Order,assoc,K,V}}|cg_map_pairs_1(T, Order+1)];
+cg_map_pairs_1([{map_pair_exact,{_,Kv}=K,V}|T], Order) ->
+ [{Kv,{Order,exact,K,V}}|cg_map_pairs_1(T, Order+1)];
+cg_map_pairs_1([], _) -> [].
+
+%% map_pair_op_and_key({_,Op,K,_}) -> {Operator,Key}
+%% Determine the operator and key to use. Throw a 'badarg'
+%% exception if there are contradictory exact updates.
+
+map_pair_op_and_key(L) ->
+ case [K || {_,exact,K,_} <- L] of
+ [K] ->
+ %% There is a single ':=' operator. Use that key.
+ {exact,K};
+ [K|T] ->
+ %% There is more than one ':=' operator. All of them
+ %% must have the same key.
+ case lists:all(fun(E) -> E =:= K end, T) of
+ true ->
+ {exact,K};
+ false ->
+ %% Some keys are different, e.g. 1 and 1.0.
+ throw(badarg)
+ end;
+ [] ->
+ %% Only '=>' operators. Use the first key in the list.
+ [{_,assoc,K,_}|_] = L,
+ {assoc,K}
+ end.
+
+termsort(Ls) ->
+ lists:sort(fun(A,B) -> erts_internal:cmp_term(A,B) < 0 end, Ls).
+
%%%
%%% Code generation for constructing binaries.
%%%
diff --git a/lib/compiler/src/v3_core.erl b/lib/compiler/src/v3_core.erl
index a5f31f3844..e30bfa729c 100644
--- a/lib/compiler/src/v3_core.erl
+++ b/lib/compiler/src/v3_core.erl
@@ -487,6 +487,17 @@ expr({tuple,L,Es0}, St0) ->
{Es1,Eps,St1} = safe_list(Es0, St0),
A = lineno_anno(L, St1),
{ann_c_tuple(A, Es1),Eps,St1};
+expr({map,L,Es0}, St0) ->
+ % erl_lint should make sure only #{ K => V } are allowed
+ % in map construction.
+ {Es1,Eps,St1} = map_pair_list(Es0, St0),
+ A = lineno_anno(L, St1),
+ {#c_map{anno=A,es=Es1},Eps,St1};
+expr({map,L,M0,Es0}, St0) ->
+ {M1,Mps,St1} = safe(M0, St0),
+ {Es1,Eps,St2} = map_pair_list(Es0, St1),
+ A = lineno_anno(L, St2),
+ {#c_map{anno=A,var=M1,es=Es1},Mps++Eps,St2};
expr({bin,L,Es0}, St0) ->
try expr_bin(Es0, lineno_anno(L, St0), St0) of
{_,_,_}=Res -> Res
@@ -695,6 +706,21 @@ make_bool_switch_guard(L, E, V, T, F) ->
{clause,NegL,[V],[],[V]}
]}.
+map_pair_list(Es, St) ->
+ foldr(fun
+ ({map_field_assoc,L,K0,V0}, {Ces,Esp,St0}) ->
+ {K,Ep0,St1} = safe(K0, St0),
+ {V,Ep1,St2} = safe(V0, St1),
+ A = lineno_anno(L, St2),
+ Pair = #c_map_pair{op=#c_literal{val=assoc},anno=A,key=K,val=V},
+ {[Pair|Ces],Ep0 ++ Ep1 ++ Esp,St2};
+ ({map_field_exact,L,K0,V0}, {Ces,Esp,St0}) ->
+ {K,Ep0,St1} = safe(K0, St0),
+ {V,Ep1,St2} = safe(V0, St1),
+ A = lineno_anno(L, St2),
+ Pair = #c_map_pair{op=#c_literal{val=exact},anno=A,key=K,val=V},
+ {[Pair|Ces],Ep0 ++ Ep1 ++ Esp,St2}
+ end, {[],[],St}, Es).
%% try_exception([ExcpClause], St) -> {[ExcpVar],Handler,St}.
@@ -1478,6 +1504,26 @@ pattern({cons,L,H,T}, St) ->
ann_c_cons(lineno_anno(L, St), pattern(H, St), pattern(T, St));
pattern({tuple,L,Ps}, St) ->
ann_c_tuple(lineno_anno(L, St), pattern_list(Ps, St));
+pattern({map,L,Ps}, St) ->
+ #c_map{anno=lineno_anno(L, St), es=sort(pattern_list(Ps, St))};
+pattern({map_field_exact,L,K,V}, St) ->
+ %% FIXME: Better way to construct literals? or missing case
+ %% {Key,_,_} = expr(K, St),
+ Key = case K of
+ {bin,L,Es0} ->
+ case constant_bin(Es0) of
+ error ->
+ throw(badmatch);
+ Bin ->
+ #c_literal{anno=lineno_anno(L,St),val=Bin}
+ end;
+ _ ->
+ pattern(K,St)
+ end,
+ #c_map_pair{anno=lineno_anno(L, St),
+ op=#c_literal{val=exact},
+ key=Key,
+ val=pattern(V, St)};
pattern({bin,L,Ps}, St) ->
%% We don't create a #ibinary record here, since there is
%% no need to hold any used/new annotations in a pattern.
@@ -1823,6 +1869,12 @@ upattern(#c_cons{hd=H0,tl=T0}=Cons, Ks, St0) ->
upattern(#c_tuple{es=Es0}=Tuple, Ks, St0) ->
{Es1,Esg,Esv,Eus,St1} = upattern_list(Es0, Ks, St0),
{Tuple#c_tuple{es=Es1},Esg,Esv,Eus,St1};
+upattern(#c_map{es=Es0}=Map, Ks, St0) ->
+ {Es1,Esg,Esv,Eus,St1} = upattern_list(Es0, Ks, St0),
+ {Map#c_map{es=Es1},Esg,Esv,Eus,St1};
+upattern(#c_map_pair{op=#c_literal{val=exact},val=V0}=MapPair, Ks, St0) ->
+ {V,Vg,Vv,Vu,St1} = upattern(V0, Ks, St0),
+ {MapPair#c_map_pair{val=V},Vg,Vv,Vu,St1};
upattern(#c_binary{segments=Es0}=Bin, Ks, St0) ->
{Es1,Esg,Esv,Eus,St1} = upat_bin(Es0, Ks, St0),
{Bin#c_binary{segments=Es1},Esg,Esv,Eus,St1};
@@ -2152,6 +2204,9 @@ is_simple(#c_literal{}) -> true;
is_simple(#c_cons{hd=H,tl=T}) ->
is_simple(H) andalso is_simple(T);
is_simple(#c_tuple{es=Es}) -> is_simple_list(Es);
+is_simple(#c_map{es=Es}) -> is_simple_list(Es);
+is_simple(#c_map_pair{key=K,val=V}) ->
+ is_simple(K) andalso is_simple(V);
is_simple(_) -> false.
-spec is_simple_list([cerl:cerl()]) -> boolean().
diff --git a/lib/compiler/src/v3_kernel.erl b/lib/compiler/src/v3_kernel.erl
index 65f1251099..9a2b1605ad 100644
--- a/lib/compiler/src/v3_kernel.erl
+++ b/lib/compiler/src/v3_kernel.erl
@@ -272,6 +272,10 @@ expr(#c_cons{anno=A,hd=Ch,tl=Ct}, Sub, St0) ->
expr(#c_tuple{anno=A,es=Ces}, Sub, St0) ->
{Kes,Ep,St1} = atomic_list(Ces, Sub, St0),
{#k_tuple{anno=A,es=Kes},Ep,St1};
+expr(#c_map{anno=A,var=Var0,es=Ces}, Sub, St0) ->
+ {Var,[],St1} = expr(Var0, Sub, St0),
+ {Kes,Ep,St2} = map_pairs(Ces, Sub, St1),
+ {#k_map{anno=A,var=Var,es=Kes},Ep,St2};
expr(#c_binary{anno=A,segments=Cv}, Sub, St0) ->
try atomic_bin(Cv, Sub, St0) of
{Kv,Ep,St1} ->
@@ -493,6 +497,16 @@ translate_match_fail_1(Anno, As, Sub, #kern{ff=FF}) ->
translate_fc(Args) ->
[#c_literal{val=function_clause},make_list(Args)].
+%% FIXME: Not completed
+map_pairs(Es, Sub, St) ->
+ foldr(fun
+ (#c_map_pair{op=#c_literal{val=Op},key=K0,val=V0}, {Kes,Esp,St0}) when
+ Op =:= assoc; Op =:= exact -> %% assert Op
+ {K,[],St1} = expr(K0, Sub, St0),
+ {V,Ep,St2} = atomic(V0, Sub, St1),
+ {[#k_map_pair{op=Op,key=K,val=V}|Kes],Ep ++ Esp,St2}
+ end, {[],[],St}, Es).
+
%% call_type(Module, Function, Arity) -> call | bif | apply | error.
%% Classify the call.
call_type(#c_literal{val=M}, #c_literal{val=F}, Ar) when is_atom(M), is_atom(F) ->
@@ -648,6 +662,13 @@ pattern(#c_cons{anno=A,hd=Ch,tl=Ct}, Isub, Osub0, St0) ->
pattern(#c_tuple{anno=A,es=Ces}, Isub, Osub0, St0) ->
{Kes,Osub1,St1} = pattern_list(Ces, Isub, Osub0, St0),
{#k_tuple{anno=A,es=Kes},Osub1,St1};
+pattern(#c_map{anno=A,es=Ces}, Isub, Osub0, St0) ->
+ {Kes,Osub1,St1} = pattern_list(Ces, Isub, Osub0, St0),
+ {#k_map{anno=A,es=Kes},Osub1,St1};
+pattern(#c_map_pair{op=#c_literal{val=exact},anno=A,key=Ck,val=Cv},Isub, Osub0, St0) ->
+ {Kk,Osub1,St1} = pattern(Ck, Isub, Osub0, St0),
+ {Kv,Osub2,St2} = pattern(Cv, Isub, Osub1, St1),
+ {#k_map_pair{anno=A,op=exact,key=Kk,val=Kv},Osub2,St2};
pattern(#c_binary{anno=A,segments=Cv}, Isub, Osub0, St0) ->
{Kv,Osub1,St1} = pattern_bin(Cv, Isub, Osub0, St0),
{#k_binary{anno=A,segs=Kv},Osub1,St1};
@@ -1015,7 +1036,8 @@ match_con_1([U|_Us] = L, Cs, Def, St0) ->
%% Extract clauses for different constructors (types).
%%ok = io:format("match_con ~p~n", [Cs]),
Ttcs = select_types([k_binary], Cs) ++ select_bin_con(Cs) ++
- select_types([k_cons,k_tuple,k_atom,k_float,k_int,k_nil,k_literal], Cs),
+ select_types([k_cons,k_tuple,k_map,k_atom,k_float,k_int,
+ k_nil,k_literal], Cs),
%%ok = io:format("ttcs = ~p~n", [Ttcs]),
{Scs,St1} =
mapfoldl(fun ({T,Tcs}, St) ->
@@ -1251,10 +1273,9 @@ group_value(k_cons, Cs) -> [Cs]; %These are single valued
group_value(k_nil, Cs) -> [Cs];
group_value(k_binary, Cs) -> [Cs];
group_value(k_bin_end, Cs) -> [Cs];
-group_value(k_bin_seg, Cs) ->
- group_bin_seg(Cs);
-group_value(k_bin_int, Cs) ->
- [Cs];
+group_value(k_bin_seg, Cs) -> group_bin_seg(Cs);
+group_value(k_bin_int, Cs) -> [Cs];
+group_value(k_map, Cs) -> group_map(Cs);
group_value(_, Cs) ->
%% group_value(Cs).
Cd = foldl(fun (C, Gcs0) -> dict:append(clause_val(C), C, Gcs0) end,
@@ -1267,6 +1288,12 @@ group_bin_seg([C1|Cs]) ->
[[C1|More]|group_bin_seg(Rest)];
group_bin_seg([]) -> [].
+group_map([C1|Cs]) ->
+ V1 = clause_val(C1),
+ {More,Rest} = splitwith(fun (C) -> clause_val(C) =:= V1 end, Cs),
+ [[C1|More]|group_map(Rest)];
+group_map([]) -> [].
+
%% Profiling shows that this quadratic implementation account for a big amount
%% of the execution time if there are many values.
% group_value([C|Cs]) ->
@@ -1315,6 +1342,13 @@ get_match(#k_bin_int{}=BinInt, St0) ->
get_match(#k_tuple{es=Es}, St0) ->
{Mes,St1} = new_vars(length(Es), St0),
{#k_tuple{es=Mes},Mes,St1};
+get_match(#k_map{es=Es0}, St0) ->
+ {Mes,St1} = new_vars(length(Es0), St0),
+ {Es,_} = mapfoldl(fun
+ (#k_map_pair{}=Pair, [V|Vs]) ->
+ {Pair#k_map_pair{val=V},Vs}
+ end, Mes, Es0),
+ {#k_map{es=Es},Mes,St1};
get_match(M, St) ->
{M,[],St}.
@@ -1331,7 +1365,12 @@ new_clauses(Cs0, U, St) ->
[S,N|As];
#k_bin_int{next=N} ->
[N|As];
- _Other -> As
+ #k_map{es=Es} ->
+ Vals = [V ||
+ #k_map_pair{op=exact,val=V} <- Es],
+ Vals ++ As;
+ _Other ->
+ As
end,
Vs = arg_alias(Arg),
Osub1 = foldl(fun (#k_var{name=V}, Acc) ->
@@ -1406,6 +1445,7 @@ arg_con(Arg) ->
#k_nil{} -> k_nil;
#k_cons{} -> k_cons;
#k_tuple{} -> k_tuple;
+ #k_map{} -> k_map;
#k_binary{} -> k_binary;
#k_bin_end{} -> k_bin_end;
#k_bin_seg{} -> k_bin_seg;
@@ -1426,7 +1466,15 @@ arg_val(Arg, C) ->
{#k_var{name=get_vsub(V, Isub)},U,T,Fs};
_ ->
{set_kanno(S, []),U,T,Fs}
- end
+ end;
+ #k_map{es=Es} ->
+ Keys = [begin
+ #k_map_pair{op=exact,key=#k_literal{val=Key}} = Pair,
+ Key
+ end || Pair <- Es],
+ %% multiple keys may have the same name
+ %% do not use ordsets
+ lists:sort(Keys)
end.
%% ubody_used_vars(Expr, State) -> [UsedVar]
@@ -1795,6 +1843,10 @@ lit_vars(#k_atom{}) -> [];
lit_vars(#k_nil{}) -> [];
lit_vars(#k_cons{hd=H,tl=T}) ->
union(lit_vars(H), lit_vars(T));
+lit_vars(#k_map{var=Var,es=Es}) ->
+ lit_list_vars([Var|Es]);
+lit_vars(#k_map_pair{key=K,val=V}) ->
+ union(lit_vars(K), lit_vars(V));
lit_vars(#k_binary{segs=V}) -> lit_vars(V);
lit_vars(#k_bin_end{}) -> [];
lit_vars(#k_bin_seg{size=Size,seg=S,next=N}) ->
@@ -1830,7 +1882,11 @@ pat_vars(#k_bin_int{size=Size}) ->
{U,[]};
pat_vars(#k_bin_end{}) -> {[],[]};
pat_vars(#k_tuple{es=Es}) ->
- pat_list_vars(Es).
+ pat_list_vars(Es);
+pat_vars(#k_map{es=Es}) ->
+ pat_list_vars(Es);
+pat_vars(#k_map_pair{op=exact,val=V}) ->
+ pat_vars(V).
pat_list_vars(Ps) ->
foldl(fun (P, {Used0,New0}) ->
diff --git a/lib/compiler/src/v3_kernel.hrl b/lib/compiler/src/v3_kernel.hrl
index fb8baf398b..c7886a070d 100644
--- a/lib/compiler/src/v3_kernel.hrl
+++ b/lib/compiler/src/v3_kernel.hrl
@@ -38,6 +38,8 @@
-record(k_nil, {anno=[]}).
-record(k_tuple, {anno=[],es}).
+-record(k_map, {anno=[],var,es}).
+-record(k_map_pair, {anno=[],op,key,val}).
-record(k_cons, {anno=[],hd,tl}).
-record(k_binary, {anno=[],segs}).
-record(k_bin_seg, {anno=[],size,unit,type,flags,seg,next}).
diff --git a/lib/compiler/src/v3_kernel_pp.erl b/lib/compiler/src/v3_kernel_pp.erl
index e363a5387a..edbd3f74f8 100644
--- a/lib/compiler/src/v3_kernel_pp.erl
+++ b/lib/compiler/src/v3_kernel_pp.erl
@@ -104,6 +104,21 @@ format_1(#k_tuple{es=Es}, Ctxt) ->
format_hseq(Es, ",", ctxt_bump_indent(Ctxt, 1), fun format/2),
$}
];
+format_1(#k_map{var=#k_var{}=Var,es=Es}, Ctxt) ->
+ [$~,${,
+ format_hseq(Es, ",", ctxt_bump_indent(Ctxt, 1), fun format/2),
+ " | ",format_1(Var, Ctxt),
+ $},$~
+ ];
+format_1(#k_map{es=Es}, Ctxt) ->
+ [$~,${,
+ format_hseq(Es, ",", ctxt_bump_indent(Ctxt, 1), fun format/2),
+ $},$~
+ ];
+format_1(#k_map_pair{op=assoc,key=K,val=V}, Ctxt) ->
+ ["~<",format(K, Ctxt),",",format(V, Ctxt),">"];
+format_1(#k_map_pair{op=exact,key=K,val=V}, Ctxt) ->
+ ["::<",format(K, Ctxt),",",format(V, Ctxt),">"];
format_1(#k_binary{segs=S}, Ctxt) ->
["#<",format(S, ctxt_bump_indent(Ctxt, 2)),">#"];
format_1(#k_bin_seg{next=Next}=S, Ctxt) ->
diff --git a/lib/compiler/src/v3_life.erl b/lib/compiler/src/v3_life.erl
index 2cc3493570..ae928e955c 100644
--- a/lib/compiler/src/v3_life.erl
+++ b/lib/compiler/src/v3_life.erl
@@ -323,7 +323,9 @@ type(k_tuple) -> tuple;
type(k_binary) -> binary;
type(k_bin_seg) -> bin_seg;
type(k_bin_int) -> bin_int;
-type(k_bin_end) -> bin_end.
+type(k_bin_end) -> bin_end;
+type(k_map) -> map;
+type(k_map_pair) -> map_pair.
%% variable(Klit) -> Lit.
%% var_list([Klit]) -> [Lit].
@@ -365,6 +367,12 @@ literal(#k_bin_end{}, Ctxt) ->
{bin_end,Ctxt};
literal(#k_tuple{es=Es}, Ctxt) ->
{tuple,literal_list(Es, Ctxt)};
+literal(#k_map{var=Var,es=Es}, Ctxt) ->
+ {map,literal(Var, Ctxt),literal_list(Es, Ctxt)};
+literal(#k_map_pair{op=assoc,key=K,val=V}, Ctxt) ->
+ {map_pair_assoc,literal(K, Ctxt),literal(V, Ctxt)};
+literal(#k_map_pair{op=exact,key=K,val=V}, Ctxt) ->
+ {map_pair_exact,literal(K, Ctxt),literal(V, Ctxt)};
literal(#k_literal{val=V}, _Ctxt) ->
{literal,V}.
@@ -393,7 +401,11 @@ literal2(#k_bin_int{size=S,unit=U,flags=Fs,val=Int,next=N}, Ctxt) ->
literal2(#k_bin_end{}, Ctxt) ->
{bin_end,Ctxt};
literal2(#k_tuple{es=Es}, Ctxt) ->
- {tuple,literal_list2(Es, Ctxt)}.
+ {tuple,literal_list2(Es, Ctxt)};
+literal2(#k_map{es=Es}, Ctxt) ->
+ {map,literal_list2(Es, Ctxt)};
+literal2(#k_map_pair{key=K,val=V}, Ctxt) ->
+ {map_pair,literal2(K, Ctxt),literal2(V, Ctxt)}.
literal_list2(Ks, Ctxt) ->
[literal2(K, Ctxt) || K <- Ks].
diff --git a/lib/compiler/test/compile_SUITE.erl b/lib/compiler/test/compile_SUITE.erl
index 4ec75d015e..de35ebc7bd 100644
--- a/lib/compiler/test/compile_SUITE.erl
+++ b/lib/compiler/test/compile_SUITE.erl
@@ -415,11 +415,11 @@ encrypted_abstr(Config) when is_list(Config) ->
?line {Simple,Target} = files(Config, "encrypted_abstr"),
Res = case has_crypto() of
- no ->
+ false ->
%% No crypto.
?line encrypted_abstr_no_crypto(Simple, Target),
{comment,"The crypto application is missing or broken"};
- yes ->
+ true ->
%% Simulate not having crypto by removing
%% the crypto application from the path.
?line OldPath = code:get_path(),
@@ -511,6 +511,7 @@ write_crypt_file(Contents0) ->
ok = file:write_file(".erlang.crypt", Contents).
encrypted_abstr_no_crypto(Simple, Target) ->
+ io:format("simpe: ~p~n", [Simple]),
?line TargetDir = filename:dirname(Target),
?line Key = "ablurf123BX#$;3",
?line error = compile:file(Simple,
@@ -525,11 +526,11 @@ verify_abstract(Target) ->
has_crypto() ->
try
crypto:start(),
- crypto:info(),
+ <<_,_,_,_,_>> = crypto:rand_bytes(5),
crypto:stop(),
- yes
+ true
catch
- error:_ -> no
+ error:_ -> false
end.
install_crypto_key(Key) ->
diff --git a/lib/compiler/test/core_SUITE.erl b/lib/compiler/test/core_SUITE.erl
index a40dc32d59..1a521c3591 100644
--- a/lib/compiler/test/core_SUITE.erl
+++ b/lib/compiler/test/core_SUITE.erl
@@ -23,7 +23,8 @@
init_per_testcase/2,end_per_testcase/2,
dehydrated_itracer/1,nested_tries/1,
seq_in_guard/1,make_effect_seq/1,eval_is_boolean/1,
- unsafe_case/1,nomatch_shadow/1,reversed_annos/1]).
+ unsafe_case/1,nomatch_shadow/1,reversed_annos/1,
+ map_core_test/1]).
-include_lib("test_server/include/test_server.hrl").
@@ -48,7 +49,9 @@ all() ->
groups() ->
[{p,test_lib:parallel(),
[dehydrated_itracer,nested_tries,seq_in_guard,make_effect_seq,
- eval_is_boolean,unsafe_case,nomatch_shadow,reversed_annos]}].
+ eval_is_boolean,unsafe_case,nomatch_shadow,reversed_annos,
+ map_core_test
+ ]}].
init_per_suite(Config) ->
@@ -72,6 +75,7 @@ end_per_group(_GroupName, Config) ->
?comp(unsafe_case).
?comp(nomatch_shadow).
?comp(reversed_annos).
+?comp(map_core_test).
try_it(Mod, Conf) ->
Src = filename:join(?config(data_dir, Conf), atom_to_list(Mod)),
diff --git a/lib/compiler/test/core_SUITE_data/map_core_test.core b/lib/compiler/test/core_SUITE_data/map_core_test.core
new file mode 100644
index 0000000000..7ece8a8bbd
--- /dev/null
+++ b/lib/compiler/test/core_SUITE_data/map_core_test.core
@@ -0,0 +1,95 @@
+module 'map_core_test' ['map_core_test'/0,
+ 'module_info'/0,
+ 'module_info'/1]
+ attributes []
+'map_core_test'/0 =
+ %% Line 14
+ fun () ->
+ let <_cor0> =
+ %% Line 15
+ ~{::<'check','ok'>,::<1337,#{#<104>(8,1,'integer',['unsigned'|['big']]),
+ #<101>(8,1,'integer',['unsigned'|['big']]),
+ #<108>(8,1,'integer',['unsigned'|['big']]),
+ #<108>(8,1,'integer',['unsigned'|['big']]),
+ #<111>(8,1,'integer',['unsigned'|['big']])}#>,::<'val',0>}~
+ in let <M> =
+ %% Line 15
+ apply 'id'/1
+ (_cor0)
+ in let <_cor2> =
+ %% Line 16
+ apply 'id'/1
+ ([1|[2|[3|[4|[5|[6]]]]]])
+ in %% Line 16
+ case apply 'call'/2
+ (M, _cor2) of
+ <~{~<1337,#{#<104>(8,1,'integer',['unsigned'|['big']]),
+ #<101>(8,1,'integer',['unsigned'|['big']]),
+ #<108>(8,1,'integer',['unsigned'|['big']]),
+ #<108>(8,1,'integer',['unsigned'|['big']]),
+ #<111>(8,1,'integer',['unsigned'|['big']]),
+ #<32>(8,1,'integer',['unsigned'|['big']]),
+ #<49>(8,1,'integer',['unsigned'|['big']]),
+ #<32>(8,1,'integer',['unsigned'|['big']]),
+ #<50>(8,1,'integer',['unsigned'|['big']]),
+ #<32>(8,1,'integer',['unsigned'|['big']]),
+ #<51>(8,1,'integer',['unsigned'|['big']]),
+ #<32>(8,1,'integer',['unsigned'|['big']]),
+ #<52>(8,1,'integer',['unsigned'|['big']]),
+ #<32>(8,1,'integer',['unsigned'|['big']]),
+ #<53>(8,1,'integer',['unsigned'|['big']]),
+ #<32>(8,1,'integer',['unsigned'|['big']]),
+ #<54>(8,1,'integer',['unsigned'|['big']])}#>,~<'check','ok'>,~<'val',21>}~> when 'true' ->
+ %% Line 17
+ 'ok'
+ ( <_cor3> when 'true' ->
+ primop 'match_fail'
+ ({'badmatch',_cor3})
+ -| ['compiler_generated'] )
+ end
+'call'/2 =
+ %% Line 20
+ fun (_cor1,_cor0) ->
+ case <_cor1,_cor0> of
+ <M = ~{~<1337,Bin>,~<'check',_cor8>,~<'val',Val>}~,[V|Vs]> when 'true' ->
+ let <_cor3> =
+ %% Line 21
+ call 'erlang':'+'
+ (V, 48)
+ in let <_cor4> =
+ %% Line 21
+ #{#<Bin>('all',8,'binary',['unsigned'|['big']]),
+ #<32>(8,1,'integer',['unsigned'|['big']]),
+ #<_cor3>(8,1,'integer',['unsigned'|['big']])}#
+ in let <_cor2> =
+ %% Line 21
+ call 'erlang':'+'
+ (Val, V)
+ in let <_cor5> =
+ %% Line 21
+ M~{~<1337,_cor4>,~<'val',_cor2>}~
+ in %% Line 21
+ apply 'call'/2
+ (_cor5, Vs)
+ %% Line 22
+ <M,[]> when 'true' ->
+ M
+ ( <_cor7,_cor6> when 'true' ->
+ ( primop 'match_fail'
+ ({'function_clause',_cor7,_cor6})
+ -| [{'function_name',{'call',2}}] )
+ -| ['compiler_generated'] )
+ end
+'id'/1 =
+ %% Line 24
+ fun (_cor0) ->
+ _cor0
+'module_info'/0 =
+ fun () ->
+ call 'erlang':'get_module_info'
+ ('map_core_test')
+'module_info'/1 =
+ fun (_cor0) ->
+ call 'erlang':'get_module_info'
+ ('map_core_test', _cor0)
+end \ No newline at end of file
diff --git a/lib/compiler/test/inline_SUITE.erl b/lib/compiler/test/inline_SUITE.erl
index e5c2d4f73a..47851e680b 100644
--- a/lib/compiler/test/inline_SUITE.erl
+++ b/lib/compiler/test/inline_SUITE.erl
@@ -37,7 +37,7 @@ all() ->
groups() ->
[{p,test_lib:parallel(),
[attribute,bsdecode,bsdes,barnes2,decode1,smith,fname,
- itracer,pseudoknot,comma_splitter,lists,really_inlined,otp_7223,
+ itracer,pseudoknot,maps_inline_test,comma_splitter,lists,really_inlined,otp_7223,
coverage]}].
init_per_suite(Config) ->
@@ -85,6 +85,7 @@ attribute(Config) when is_list(Config) ->
?comp(pseudoknot).
?comp(comma_splitter).
?comp(fname).
+?comp(maps_inline_test).
try_inline(Mod, Config) ->
Node = ?config(testing_node, Config),
diff --git a/lib/compiler/test/inline_SUITE_data/maps_inline_test.erl b/lib/compiler/test/inline_SUITE_data/maps_inline_test.erl
new file mode 100644
index 0000000000..d9762e2647
--- /dev/null
+++ b/lib/compiler/test/inline_SUITE_data/maps_inline_test.erl
@@ -0,0 +1,70 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2013. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+
+-module(maps_inline_test).
+
+-export([?MODULE/0]).
+
+?MODULE() ->
+ 21 = mval(#{val => 1}) +
+ mval(#{val => 2}) +
+ mval(#{val => 3}) +
+ mval(#{val => 4}) +
+ mval(#{val => 5}) +
+ mval(#{val => 6}),
+
+ 21 = gval(#{id => 1}) +
+ gval(#{id => 2}) +
+ gval(#{id => 3}) +
+ gval(#{id => 4}) +
+ gval(#{id => 5}) +
+ gval(#{id => 6}),
+
+ 21 = sval(#{id => 1}) +
+ sval(#{id => 2}) +
+ sval(#{id => 3}) +
+ sval(#{id => 4}) +
+ sval(#{id => 5}) +
+ sval(#{id => 6}),
+
+ M = #{v => 1, m => #{v => 21, m => #{v => 7, m => 13}}},
+
+ 42 = decompose(M).
+
+% switch key orders
+decompose(#{ m := M, v := V}) when is_map(M) ->
+ V + decompose(M);
+decompose(#{ v := V, m := M}) -> V + M.
+
+
+mval(#{val := V}) -> V.
+
+sval(#{id := 1}) -> 6;
+sval(#{id := 2}) -> 5;
+sval(#{id := 3}) -> 4;
+sval(#{id := 4}) -> 3;
+sval(#{id := 5}) -> 2;
+sval(#{id := 6}) -> 1.
+
+gval(M) when is_map(M) andalso M =:= #{ id => 1} -> 1;
+gval(M) when is_map(M) andalso M =:= #{ id => 2} -> 4;
+gval(M) when is_map(M) andalso M =:= #{ id => 3} -> 2;
+gval(M) when is_map(M) andalso M =:= #{ id => 4} -> 5;
+gval(M) when is_map(M) andalso M =:= #{ id => 5} -> 3;
+gval(M) when is_map(M) andalso M =:= #{ id => 6} -> 6.
diff --git a/lib/dialyzer/src/dialyzer_cl.erl b/lib/dialyzer/src/dialyzer_cl.erl
index a7be6e0d05..cda801bf6c 100644
--- a/lib/dialyzer/src/dialyzer_cl.erl
+++ b/lib/dialyzer/src/dialyzer_cl.erl
@@ -603,7 +603,7 @@ cl_loop(State, LogCache) ->
Msg = failed_anal_msg(Reason, LogCache),
cl_error(State, Msg);
{'EXIT', BackendPid, Reason} when Reason =/= 'normal' ->
- Msg = failed_anal_msg(io_lib:format("~P", [Reason, 12]), LogCache),
+ Msg = failed_anal_msg(io_lib:format("~p", [Reason]), LogCache),
cl_error(State, Msg);
_Other ->
%% io:format("Received ~p\n", [_Other]),
diff --git a/lib/dialyzer/src/dialyzer_dataflow.erl b/lib/dialyzer/src/dialyzer_dataflow.erl
index 3591d5be8e..33fa107019 100644
--- a/lib/dialyzer/src/dialyzer_dataflow.erl
+++ b/lib/dialyzer/src/dialyzer_dataflow.erl
@@ -67,7 +67,9 @@
t_to_string/2, t_to_tlist/1,
t_tuple/0, t_tuple/1, t_tuple_args/1, t_tuple_args/2,
t_tuple_subtypes/2,
- t_unit/0, t_unopaque/2]).
+ t_unit/0, t_unopaque/2,
+ t_map/1
+ ]).
%%-define(DEBUG, true).
%%-define(DEBUG_PP, true).
@@ -305,6 +307,10 @@ traverse(Tree, Map, State) ->
handle_try(Tree, Map, State);
tuple ->
handle_tuple(Tree, Map, State);
+ map ->
+ handle_map(Tree, Map, State);
+ map_pair ->
+ handle_map_pair(Tree, Map, State);
values ->
Elements = cerl:values_es(Tree),
{State1, Map1, EsType} = traverse_list(Elements, Map, State),
@@ -657,7 +663,8 @@ is_opaque_type_test_problem(Fun, Args, ArgTypes, State) ->
FN =:= is_float; FN =:= is_function;
FN =:= is_integer; FN =:= is_list;
FN =:= is_number; FN =:= is_pid; FN =:= is_port;
- FN =:= is_reference; FN =:= is_tuple ->
+ FN =:= is_reference; FN =:= is_tuple;
+ FN =:= is_map ->
type_test_opaque_arg(Args, ArgTypes, State#state.opaques);
{erlang, FN, 2} when FN =:= is_function ->
type_test_opaque_arg(Args, ArgTypes, State#state.opaques);
@@ -1054,6 +1061,19 @@ handle_try(Tree, Map, State) ->
%%----------------------------------------
+handle_map(Tree,Map,State) ->
+ Pairs = cerl:map_es(Tree),
+ {State1, Map1, TypePairs} = traverse_list(Pairs,Map,State),
+ {State1, Map1, t_map(TypePairs)}.
+
+handle_map_pair(Tree,Map,State) ->
+ Key = cerl:map_pair_key(Tree),
+ Val = cerl:map_pair_val(Tree),
+ {State1, Map1, [K,V]} = traverse_list([Key,Val],Map,State),
+ {State1, Map1, {K,V}}.
+
+%%----------------------------------------
+
handle_tuple(Tree, Map, State) ->
Elements = cerl:tuple_es(Tree),
{State1, Map1, EsType} = traverse_list(Elements, Map, State),
@@ -1431,6 +1451,8 @@ bind_pat_vars([Pat|PatLeft], [Type|TypeLeft], Acc, Map, State, Rev) ->
bind_opaque_pats(Literal, Type, Pat, Map, State, Rev);
false -> {Map, Literal}
end;
+ map ->
+ {Map, t_map([])};
tuple ->
Es = cerl:tuple_es(Pat),
{TypedRecord, Prototype} =
@@ -1641,6 +1663,8 @@ bind_guard(Guard, Map, Env, Eval, State) ->
Es0 = cerl:tuple_es(Guard),
{Map1, Es} = bind_guard_list(Es0, Map, Env, dont_know, State),
{Map1, t_tuple(Es)};
+ map ->
+ {Map, t_map([])};
'let' ->
Arg = cerl:let_arg(Guard),
[Var] = cerl:let_vars(Guard),
diff --git a/lib/dialyzer/src/dialyzer_dep.erl b/lib/dialyzer/src/dialyzer_dep.erl
index 05f81399fb..a81ea1a98b 100644
--- a/lib/dialyzer/src/dialyzer_dep.erl
+++ b/lib/dialyzer/src/dialyzer_dep.erl
@@ -182,6 +182,15 @@ traverse(Tree, Out, State, CurrentFun) ->
Args = cerl:tuple_es(Tree),
{List, State1} = traverse_list(Args, Out, State, CurrentFun),
{merge_outs(List), State1};
+ map ->
+ Args = cerl:map_es(Tree),
+ {List, State1} = traverse_list(Args, Out, State, CurrentFun),
+ {merge_outs(List), State1};
+ map_pair ->
+ Key = cerl:map_pair_key(Tree),
+ Val = cerl:map_pair_val(Tree),
+ {List, State1} = traverse_list([Key,Val], Out, State, CurrentFun),
+ {merge_outs(List), State1};
values ->
traverse_list(cerl:values_es(Tree), Out, State, CurrentFun);
var ->
diff --git a/lib/dialyzer/src/dialyzer_typesig.erl b/lib/dialyzer/src/dialyzer_typesig.erl
index db7875704a..b4b3d5a092 100644
--- a/lib/dialyzer/src/dialyzer_typesig.erl
+++ b/lib/dialyzer/src/dialyzer_typesig.erl
@@ -55,7 +55,9 @@
t_subst/2,
t_timeout/0, t_tuple/0, t_tuple/1,
t_var/1, t_var_name/1,
- t_none/0, t_unit/0]).
+ t_none/0, t_unit/0,
+ t_map/1
+ ]).
-include("dialyzer.hrl").
@@ -470,6 +472,8 @@ traverse(Tree, DefinedVars, State) ->
end;
[] -> {State2, TupleType}
end;
+ map ->
+ {State, t_map([])};
values ->
%% We can get into trouble when unifying products that have the
%% same element appearing several times. Handle these cases by
@@ -1037,6 +1041,9 @@ get_safe_underapprox_1([Pat|Left], Acc, Map) ->
{Ts, Map1} = get_safe_underapprox_1(Es, [], Map),
Type = t_tuple(Ts),
get_safe_underapprox_1(Left, [Type|Acc], Map1);
+ map ->
+ %% TODO: Can maybe do something here
+ throw(dont_know);
values ->
Es = cerl:values_es(Pat),
{Ts, Map1} = get_safe_underapprox_1(Es, [], Map),
diff --git a/lib/dialyzer/test/small_SUITE_data/src/maps1.erl b/lib/dialyzer/test/small_SUITE_data/src/maps1.erl
new file mode 100644
index 0000000000..06ced5b69e
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/maps1.erl
@@ -0,0 +1,41 @@
+%%
+%% File: maps1.erl
+%% Author: Björn-Egil Dahlberg
+%% Created: 2014-01-17
+%%
+
+-module(maps1).
+
+-compile([export_all]).
+
+
+-export([recv/3, decode/1]).
+
+%-record(can_pkt, {id, data :: binary(), timestamp}).
+
+-type can_pkt() :: #{ id => term(), data => binary(), timestamp => term() }.
+-type channel() :: atom() | pid() | {atom(),_}.
+
+-spec recv(<<_:64,_:_*8>>, fun((can_pkt()) -> R), channel()) -> R.
+recv(Packet, Fun, Chan) ->
+ #{id := Can_id, data := Can_data} = P = decode(Packet),
+ Fun(P).
+
+-spec decode(<<_:64,_:_*8>>) -> #{id => <<_:11>>,timestamp => char()}.
+decode(<<_:12, Len:4, Timestamp:16, 0:3, Id:11/bitstring, 0:18,
+ Data:Len/binary, _/binary>>) ->
+ #{id => Id, data => Data, timestamp => Timestamp}.
+
+
+
+t1() ->
+ #{bar=>fun t2/0}.
+
+t2() -> ok.
+
+-type map_state() :: #{ id => integer(), val => term() }.
+
+-spec update(map_state(), term()) -> map_state().
+
+update(#{ id := Id, val := Val } = M, X) when is_integer(Id) ->
+ M#{ val := [Val,X] }.
diff --git a/lib/edoc/src/edoc_doclet.erl b/lib/edoc/src/edoc_doclet.erl
index ce1e94a26a..5653b5894b 100644
--- a/lib/edoc/src/edoc_doclet.erl
+++ b/lib/edoc/src/edoc_doclet.erl
@@ -200,7 +200,7 @@ source({M, P, Name, Path}, Dir, Suffix, Env, Set, Private, Hidden,
{Set, Error}
end;
R ->
- report("skipping source file '~ts': ~W.", [File, R, 15]),
+ report("skipping source file '~ts': ~P.", [File, R, 15]),
{Set, true}
end.
diff --git a/lib/edoc/src/edoc_layout.erl b/lib/edoc/src/edoc_layout.erl
index 7bd0615f5c..e164ff060f 100644
--- a/lib/edoc/src/edoc_layout.erl
+++ b/lib/edoc/src/edoc_layout.erl
@@ -829,6 +829,10 @@ t_type([#xmlElement{name = list, content = Es}]) ->
t_list(Es);
t_type([#xmlElement{name = nonempty_list, content = Es}]) ->
t_nonempty_list(Es);
+t_type([#xmlElement{name = map, content = Es}]) ->
+ t_map(Es);
+t_type([#xmlElement{name = map_field, content=Es}]) ->
+ t_map_field(Es);
t_type([#xmlElement{name = tuple, content = Es}]) ->
t_tuple(Es);
t_type([#xmlElement{name = 'fun', content = Es}]) ->
@@ -877,6 +881,12 @@ t_fun(Es) ->
["("] ++ seq(fun t_utype_elem/1, get_content(argtypes, Es),
[") -> "] ++ t_utype(get_elem(type, Es))).
+t_map(Es) ->
+ ["#{"] ++ seq(fun t_utype_elem/1, Es, ["}"]).
+
+t_map_field([K,V]) ->
+ [t_utype_elem(K) ++ " => " ++ t_utype_elem(V)].
+
t_record(E, Es) ->
Name = ["#"] ++ t_type(get_elem(atom, Es)),
case get_elem(field, Es) of
diff --git a/lib/edoc/src/edoc_lib.erl b/lib/edoc/src/edoc_lib.erl
index ca9df2b632..c46338a2e1 100644
--- a/lib/edoc/src/edoc_lib.erl
+++ b/lib/edoc/src/edoc_lib.erl
@@ -1032,7 +1032,7 @@ run_plugin(Name, Key, Default, Fun, Opts) when is_atom(Name) ->
{ok, Value} ->
Value;
R ->
- report("error in ~ts '~w': ~W.", [Name, Module, R, 20]),
+ report("error in ~ts '~w': ~P.", [Name, Module, R, 20]),
exit(error)
end.
diff --git a/lib/edoc/src/edoc_parser.yrl b/lib/edoc/src/edoc_parser.yrl
index 7762f2da7d..c6f8a04775 100644
--- a/lib/edoc/src/edoc_parser.yrl
+++ b/lib/edoc/src/edoc_parser.yrl
@@ -29,13 +29,14 @@ Nonterminals
start spec func_type utype_list utype_tuple utypes utype ptypes ptype
nutype function_name where_defs defs defs2 def typedef etype
throws qname ref aref mref lref pref var_list vars fields field
+utype_map utype_map_fields utype_map_field
futype_list bin_base_type bin_unit_type.
Terminals
atom float integer var an_var string start_spec start_typedef start_throws
start_ref
-'(' ')' ',' '.' '->' '{' '}' '[' ']' '|' '+' ':' '::' '=' '/' '//' '*'
+'(' ')' ',' '.' '=>' '->' '{' '}' '[' ']' '|' '+' ':' '::' '=' '/' '//' '*'
'#' 'where' '<<' '>>' '..' '...'.
Rootsymbol start.
@@ -69,6 +70,14 @@ utype_list -> '(' utypes ')' : {lists:reverse('$2'), tok_line('$1')}.
futype_list -> utype_list : '$1'.
futype_list -> '(' '...' ')' : {[#t_var{name = '...'}], tok_line('$1')}.
+utype_map -> '#' '{' utype_map_fields '}' : lists:reverse('$3').
+
+utype_map_fields -> '$empty' : [].
+utype_map_fields -> utype_map_field : ['$1'].
+utype_map_fields -> utype_map_fields ',' utype_map_field : ['$3' | '$1'].
+
+utype_map_field -> utype '=>' utype : #t_map_field{ k_type = '$1', v_type = '$3'}.
+
utype_tuple -> '{' utypes '}' : lists:reverse('$2').
%% Produced in reverse order.
@@ -91,9 +100,10 @@ ptype -> var : #t_var{name = tok_val('$1')}.
ptype -> atom : #t_atom{val = tok_val('$1')}.
ptype -> integer: #t_integer{val = tok_val('$1')}.
ptype -> integer '..' integer: #t_integer_range{from = tok_val('$1'),
- to = tok_val('$3')}.
+ to = tok_val('$3')}.
ptype -> float: #t_float{val = tok_val('$1')}.
ptype -> utype_tuple : #t_tuple{types = '$1'}.
+ptype -> utype_map : #t_map{types = '$1'}.
ptype -> '[' ']' : #t_nil{}.
ptype -> '[' utype ']' : #t_list{type = '$2'}.
ptype -> '[' utype ',' '...' ']' : #t_nonempty_list{type = '$2'}.
@@ -462,3 +472,5 @@ throw_error(parse_param, L) ->
throw({error, L, "missing parameter name"});
throw_error({Where, E}, L) when is_list(Where) ->
throw({error,L,{"unknown error parsing ~ts: ~P.",[Where,E,15]}}).
+
+%% vim: ft=erlang
diff --git a/lib/edoc/src/edoc_scanner.erl b/lib/edoc/src/edoc_scanner.erl
index 754fcef643..6ff97a134c 100644
--- a/lib/edoc/src/edoc_scanner.erl
+++ b/lib/edoc/src/edoc_scanner.erl
@@ -137,6 +137,8 @@ scan1([$"|Cs0], Toks, Pos) -> % String
scan_error({illegal, string}, Pos)
end;
%% Punctuation characters and operators, first recognise multiples.
+scan1([$=,$>|Cs], Toks, Pos) ->
+ scan1(Cs, [{'=>',Pos}|Toks], Pos);
scan1([$<,$<|Cs], Toks, Pos) ->
scan1(Cs, [{'<<',Pos}|Toks], Pos);
scan1([$>,$>|Cs], Toks, Pos) ->
diff --git a/lib/edoc/src/edoc_specs.erl b/lib/edoc/src/edoc_specs.erl
index 5acf8ac0d5..466c9df951 100644
--- a/lib/edoc/src/edoc_specs.erl
+++ b/lib/edoc/src/edoc_specs.erl
@@ -358,6 +358,14 @@ d2e({type,_,tuple,any}) ->
d2e({type,_,binary,[Base,Unit]}) ->
#t_binary{base_size = element(3, Base),
unit_size = element(3, Unit)};
+d2e({type,_,map,any}) ->
+ #t_map{ types = []};
+d2e({type,_,map,Es}) ->
+ #t_map{ types = d2e(Es) };
+d2e({type,_,map_field_assoc,K,V}) ->
+ #t_map_field{ k_type = d2e(K), v_type=d2e(V) };
+d2e({type,_,map_field_exact,K,V}) ->
+ #t_map_field{ k_type = d2e(K), v_type=d2e(V) };
d2e({type,_,tuple,Ts0}) ->
Ts = d2e(Ts0),
typevar_anno(#t_tuple{types = Ts}, Ts);
@@ -476,6 +484,11 @@ xrecs(#t_fun{args = Args0, range = Range0}=T, P) ->
Args = xrecs(Args0, P),
Range = xrecs(Range0, P),
T#t_fun{args = Args, range = Range};
+xrecs(#t_map{ types = Ts0 }=T,P) ->
+ Ts = xrecs(Ts0, P),
+ T#t_map{ types = Ts };
+xrecs(#t_map_field{ k_type=Kt, v_type=Vt}=T, P) ->
+ T#t_map_field{ k_type=xrecs(Kt,P), v_type=xrecs(Vt,P)};
xrecs(#t_tuple{types = Types0}=T, P) ->
Types = xrecs(Types0, P),
T#t_tuple{types = Types};
diff --git a/lib/edoc/src/edoc_tags.erl b/lib/edoc/src/edoc_tags.erl
index eb41f1922a..74702102f0 100644
--- a/lib/edoc/src/edoc_tags.erl
+++ b/lib/edoc/src/edoc_tags.erl
@@ -460,6 +460,8 @@ check_type(#t_var{}, P, Ls, Ts) ->
check_types3(Ts, P, Ls);
check_type(#t_fun{args = Args, range = Range}, P, Ls, Ts) ->
check_type(Range, P, Ls, Args++Ts);
+check_type(#t_map{}, P, Ls, Ts) ->
+ check_types3(Ts, P, Ls);
check_type(#t_tuple{types = Types}, P, Ls, Ts) ->
check_types3(Types ++Ts, P, Ls);
check_type(#t_list{type = Type}, P, Ls, Ts) ->
diff --git a/lib/edoc/src/edoc_types.erl b/lib/edoc/src/edoc_types.erl
index 60c6cecb97..af8f1230fb 100644
--- a/lib/edoc/src/edoc_types.erl
+++ b/lib/edoc/src/edoc_types.erl
@@ -141,6 +141,10 @@ to_xml(#t_type{name = N, args = As}, Env) ->
to_xml(#t_fun{args = As, range = T}, Env) ->
{'fun', [{argtypes, map(fun wrap_utype/2, As, Env)},
wrap_utype(T, Env)]};
+to_xml(#t_map{ types = Ts}, Env) ->
+ {map, map(fun wrap_utype/2, Ts, Env)};
+to_xml(#t_map_field{ k_type=K, v_type=V}, Env) ->
+ {map_field, [wrap_utype(K,Env), wrap_utype(V, Env)]};
to_xml(#t_tuple{types = Ts}, Env) ->
{tuple, map(fun wrap_utype/2, Ts, Env)};
to_xml(#t_list{type = T}, Env) ->
diff --git a/lib/edoc/src/edoc_types.hrl b/lib/edoc/src/edoc_types.hrl
index 05c61d70ff..7fec10d936 100644
--- a/lib/edoc/src/edoc_types.hrl
+++ b/lib/edoc/src/edoc_types.hrl
@@ -155,3 +155,7 @@
%% @type t_paren() = #t_paren{a = list(), type = type()}
-record(t_paren, {a=[], type}). % parentheses
+
+-record(t_map, {a=[], types=[]}).
+-record(t_map_field, {a=[], k_type, v_type}).
+
diff --git a/lib/edoc/test/edoc_SUITE.erl b/lib/edoc/test/edoc_SUITE.erl
index 5b95c35756..b649971e99 100644
--- a/lib/edoc/test/edoc_SUITE.erl
+++ b/lib/edoc/test/edoc_SUITE.erl
@@ -22,12 +22,12 @@
init_per_group/2,end_per_group/2]).
%% Test cases
--export([build_std/1]).
+-export([build_std/1,build_map_module/1]).
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
- [build_std].
+ [build_std,build_map_module].
groups() ->
[].
@@ -45,25 +45,28 @@ end_per_group(_GroupName, Config) ->
Config.
-build_std(suite) ->
- [];
-build_std(doc) ->
- ["Build some documentation using standard EDoc layout"];
+build_std(suite) -> [];
+build_std(doc) -> ["Build some documentation using standard EDoc layout"];
build_std(Config) when is_list(Config) ->
+ DataDir = ?config(data_dir, Config),
+ Overview1 = filename:join(DataDir, "overview.edoc"),
+ Overview2 = filename:join(DataDir, "overview.syntax_tools"),
+ PrivDir = ?config(priv_dir, Config),
- ?line DataDir = ?config(data_dir, Config),
- ?line Overview1 = filename:join(DataDir, "overview.edoc"),
- ?line Overview2 = filename:join(DataDir, "overview.syntax_tools"),
- ?line PrivDir = ?config(priv_dir, Config),
+ ok = edoc:application(edoc, [{overview, Overview1},
+ {def, {vsn,"TEST"}},
+ {dir, PrivDir}]),
- ?line ok = edoc:application(edoc, [{overview, Overview1},
- {def, {vsn,"TEST"}},
- {dir, PrivDir}]),
+ ok = edoc:application(syntax_tools, [{overview, Overview2},
+ {def, {vsn,"TEST"}},
+ {dir, PrivDir}]),
- ?line ok = edoc:application(syntax_tools, [{overview, Overview2},
- {def, {vsn,"TEST"}},
- {dir, PrivDir}]),
-
- ?line ok = edoc:application(xmerl, [{dir, PrivDir}]),
+ ok = edoc:application(xmerl, [{dir, PrivDir}]),
+ ok.
+build_map_module(Config) when is_list(Config) ->
+ DataDir = ?config(data_dir, Config),
+ PrivDir = ?config(priv_dir, Config),
+ Filename = filename:join(DataDir, "map_module.erl"),
+ ok = edoc:file(Filename, [{dir, PrivDir}]),
ok.
diff --git a/lib/edoc/test/edoc_SUITE_data/map_module.erl b/lib/edoc/test/edoc_SUITE_data/map_module.erl
new file mode 100644
index 0000000000..94ee7e6f26
--- /dev/null
+++ b/lib/edoc/test/edoc_SUITE_data/map_module.erl
@@ -0,0 +1,27 @@
+-module(map_module).
+
+-export([foo1/1,foo2/3]).
+
+%% @type wazzup() = integer()
+%% @type some_type() = map()
+%% @type some_other_type() = {a, #{ list() => term()}}
+
+-type some_type() :: map().
+-type some_other_type() :: {'a', #{ list() => term()} }.
+-type wazzup() :: integer().
+
+-spec foo1(Map :: #{ 'a' => integer(), 'b' => term()}) -> term().
+
+%% @doc Gets value from map.
+
+foo1(#{ a:= 1, b := V}) -> V.
+
+%% @spec foo2(some_type(), Type2 :: some_other_type(), map()) -> Value
+%% @doc Gets value from map.
+
+-spec foo2(
+ Type1 :: some_type(),
+ Type2 :: some_other_type(),
+ Map :: #{ get => 'value', 'value' => binary()}) -> binary().
+
+foo2(Type1, {a,#{ "a" := _}}, #{get := value, value := B}) when is_map(Type1) -> B.
diff --git a/lib/erl_docgen/src/docgen_otp_specs.erl b/lib/erl_docgen/src/docgen_otp_specs.erl
index 3929e66515..3240edd68e 100644
--- a/lib/erl_docgen/src/docgen_otp_specs.erl
+++ b/lib/erl_docgen/src/docgen_otp_specs.erl
@@ -388,6 +388,8 @@ t_type([#xmlElement{name = nonempty_list, content = Es}]) ->
t_nonempty_list(Es);
t_type([#xmlElement{name = tuple, content = Es}]) ->
t_tuple(Es);
+t_type([#xmlElement{name = map}]) ->
+ t_map();
t_type([#xmlElement{name = 'fun', content = Es}]) ->
["fun("] ++ t_fun(Es) ++ [")"];
t_type([E = #xmlElement{name = record, content = Es}]) ->
@@ -430,6 +432,9 @@ t_nonempty_list(Es) ->
t_tuple(Es) ->
["{"] ++ seq(fun t_utype_elem/1, Es, ["}"]).
+t_map() ->
+ ["#{}"].
+
t_fun(Es) ->
["("] ++ seq(fun t_utype_elem/1, get_content(argtypes, Es),
[") -> "] ++ t_utype(get_elem(type, Es))).
diff --git a/lib/hipe/cerl/cerl_prettypr.erl b/lib/hipe/cerl/cerl_prettypr.erl
index fba9a48cda..22f5b8945a 100644
--- a/lib/hipe/cerl/cerl_prettypr.erl
+++ b/lib/hipe/cerl/cerl_prettypr.erl
@@ -62,7 +62,9 @@
receive_action/1, receive_clauses/1, receive_timeout/1,
seq_arg/1, seq_body/1, string_lit/1, try_arg/1,
try_body/1, try_vars/1, try_evars/1, try_handler/1,
- tuple_es/1, type/1, values_es/1, var_name/1]).
+ tuple_es/1, type/1, values_es/1, var_name/1,
+ map_es/1, map_pair_key/1, map_pair_val/1, map_pair_op/1
+ ]).
-define(PAPER, 76).
-define(RIBBON, 45).
@@ -424,6 +426,10 @@ lay_1(Node, Ctxt) ->
lay_cons(Node, Ctxt);
tuple ->
lay_tuple(Node, Ctxt);
+ map ->
+ lay_map(Node, Ctxt);
+ map_pair ->
+ lay_map_pair(Node, Ctxt);
'let' ->
lay_let(Node, Ctxt);
seq ->
@@ -589,6 +595,23 @@ lay_tuple(Node, Ctxt) ->
Ctxt, fun lay/2)),
floating(text("}")))).
+lay_map(Node, Ctxt) ->
+ beside(floating(text("~{")),
+ beside(par(seq(map_es(Node), floating(text(",")),
+ Ctxt, fun lay/2)),
+ floating(text("}~")))).
+
+lay_map_pair(Node, Ctxt) ->
+ K = map_pair_key(Node),
+ V = map_pair_val(Node),
+ OpTxt = case concrete(map_pair_op(Node)) of
+ assoc -> "::<";
+ exact -> "~<"
+ end,
+ beside(floating(text(OpTxt)),
+ beside(lay(K,Ctxt),beside(floating(text(",")), beside(lay(V,Ctxt),
+ floating(text(">")))))).
+
lay_let(Node, Ctxt) ->
V = lay_value_list(let_vars(Node), Ctxt),
D1 = par([follow(text("let"),
diff --git a/lib/hipe/cerl/erl_bif_types.erl b/lib/hipe/cerl/erl_bif_types.erl
index 32a502e212..8b610ac893 100644
--- a/lib/hipe/cerl/erl_bif_types.erl
+++ b/lib/hipe/cerl/erl_bif_types.erl
@@ -114,7 +114,9 @@
t_tuple/1,
t_tuple_args/2,
t_tuple_size/2,
- t_tuple_subtypes/2
+ t_tuple_subtypes/2,
+ t_is_map/2,
+ t_map/0
]).
-ifdef(DO_ERL_BIF_TYPES_TEST).
@@ -654,6 +656,11 @@ type(erlang, is_list, 1, Xs, Opaques) ->
check_guard(X, Fun2, t_maybe_improper_list(), Opaques)
end,
strict(erlang, is_list, 1, Xs, Fun, Opaques);
+type(erlang, is_map, 1, Xs, Opaques) ->
+ Fun = fun (X) ->
+ check_guard(X, fun (Y) -> t_is_map(Y, Opaques) end,
+ t_map(), Opaques) end,
+ strict(erlang, is_map, 1, Xs, Fun, Opaques);
type(erlang, is_number, 1, Xs, Opaques) ->
Fun = fun (X) ->
check_guard(X, fun (Y) -> t_is_number(Y, Opaques) end,
@@ -756,6 +763,9 @@ type(erlang, is_tuple, 1, Xs, Opaques) ->
%% Guard bif, needs to be here.
type(erlang, length, 1, Xs, Opaques) ->
strict(erlang, length, 1, Xs, fun (_) -> t_non_neg_fixnum() end, Opaques);
+%% Guard bif, needs to be here.
+type(erlang, map_size, 1, Xs, Opaques) ->
+ strict(erlang, map_size, 1, Xs, fun (_) -> t_non_neg_integer() end, Opaques);
type(erlang, make_tuple, 2, Xs, Opaques) ->
strict(erlang, make_tuple, 2, Xs,
fun ([Int, _]) ->
@@ -2297,6 +2307,8 @@ arg_types(erlang, is_integer, 1) ->
[t_any()];
arg_types(erlang, is_list, 1) ->
[t_any()];
+arg_types(erlang, is_map, 1) ->
+ [t_any()];
arg_types(erlang, is_number, 1) ->
[t_any()];
arg_types(erlang, is_pid, 1) ->
@@ -2314,6 +2326,9 @@ arg_types(erlang, is_tuple, 1) ->
%% Guard bif, needs to be here.
arg_types(erlang, length, 1) ->
[t_list()];
+%% Guard bif, needs to be here.
+arg_types(erlang, map_size, 1) ->
+ [t_map()];
arg_types(erlang, make_tuple, 2) ->
[t_non_neg_fixnum(), t_any()]; % the value 0 is OK as first argument
arg_types(erlang, make_tuple, 3) ->
diff --git a/lib/hipe/cerl/erl_types.erl b/lib/hipe/cerl/erl_types.erl
index cfa72d85b7..af34e355bb 100644
--- a/lib/hipe/cerl/erl_types.erl
+++ b/lib/hipe/cerl/erl_types.erl
@@ -208,7 +208,11 @@
lift_list_to_pos_empty/1,
is_opaque_type/2,
is_erl_type/1,
- atom_to_string/1
+ atom_to_string/1,
+
+ t_is_map/2,
+ t_map/1,
+ t_map/0
]).
%%-define(DO_ERL_TYPES_TEST, true).
@@ -266,6 +270,7 @@
-define(function_tag, function).
-define(identifier_tag, identifier).
-define(list_tag, list).
+-define(map_tag, map).
-define(matchstate_tag, matchstate).
-define(nil_tag, nil).
-define(number_tag, number).
@@ -278,7 +283,7 @@
-define(var_tag, var).
-type tag() :: ?atom_tag | ?binary_tag | ?function_tag | ?identifier_tag
- | ?list_tag | ?matchstate_tag | ?nil_tag | ?number_tag
+ | ?list_tag | ?map_tag | ?matchstate_tag | ?nil_tag | ?number_tag
| ?opaque_tag | ?product_tag | ?remote_tag
| ?tuple_tag | ?tuple_set_tag | ?union_tag | ?var_tag.
@@ -338,6 +343,7 @@
-define(nonempty_list(Types, Term),?list(Types, Term, ?nonempty_qual)).
-define(number(Set, Qualifier), #c{tag=?number_tag, elements=Set,
qualifier=Qualifier}).
+-define(map(Pairs), #c{tag=?map_tag, elements=Pairs}).
-define(opaque(Optypes), #c{tag=?opaque_tag, elements=Optypes}).
-define(product(Types), #c{tag=?product_tag, elements=Types}).
-define(remote(RemTypes), #c{tag=?remote_tag, elements=RemTypes}).
@@ -361,18 +367,19 @@
%% Unions
%%
--define(union(List), #c{tag=?union_tag, elements=[_,_,_,_,_,_,_,_,_,_]=List}).
-
--define(atom_union(T), ?union([T,?none,?none,?none,?none,?none,?none,?none,?none,?none])).
--define(bitstr_union(T), ?union([?none,T,?none,?none,?none,?none,?none,?none,?none,?none])).
--define(function_union(T), ?union([?none,?none,T,?none,?none,?none,?none,?none,?none,?none])).
--define(identifier_union(T), ?union([?none,?none,?none,T,?none,?none,?none,?none,?none,?none])).
--define(list_union(T), ?union([?none,?none,?none,?none,T,?none,?none,?none,?none,?none])).
--define(number_union(T), ?union([?none,?none,?none,?none,?none,T,?none,?none,?none,?none])).
--define(tuple_union(T), ?union([?none,?none,?none,?none,?none,?none,T,?none,?none,?none])).
--define(matchstate_union(T), ?union([?none,?none,?none,?none,?none,?none,?none,T,?none,?none])).
--define(opaque_union(T), ?union([?none,?none,?none,?none,?none,?none,?none,?none,T,?none])).
--define(remote_union(T), ?union([?none,?none,?none,?none,?none,?none,?none,?none,?none,T])).
+-define(union(List), #c{tag=?union_tag, elements=[_,_,_,_,_,_,_,_,_,_,_]=List}).
+
+-define(atom_union(T), ?union([T,?none,?none,?none,?none,?none,?none,?none,?none,?none,?none])).
+-define(bitstr_union(T), ?union([?none,T,?none,?none,?none,?none,?none,?none,?none,?none,?none])).
+-define(function_union(T), ?union([?none,?none,T,?none,?none,?none,?none,?none,?none,?none,?none])).
+-define(identifier_union(T), ?union([?none,?none,?none,T,?none,?none,?none,?none,?none,?none,?none])).
+-define(list_union(T), ?union([?none,?none,?none,?none,T,?none,?none,?none,?none,?none,?none])).
+-define(number_union(T), ?union([?none,?none,?none,?none,?none,T,?none,?none,?none,?none,?none])).
+-define(tuple_union(T), ?union([?none,?none,?none,?none,?none,?none,T,?none,?none,?none,?none])).
+-define(matchstate_union(T), ?union([?none,?none,?none,?none,?none,?none,?none,T,?none,?none,?none])).
+-define(opaque_union(T), ?union([?none,?none,?none,?none,?none,?none,?none,?none,T,?none,?none])).
+-define(remote_union(T), ?union([?none,?none,?none,?none,?none,?none,?none,?none,?none,T,?none])).
+-define(map_union(T), ?union([?none,?none,?none,?none,?none,?none,?none,?none,?none,?none,T])).
-define(integer_union(T), ?number_union(T)).
-define(float_union(T), ?number_union(T)).
-define(nil_union(T), ?list_union(T)).
@@ -482,6 +489,9 @@ t_contains_opaque(?int_range(_From, _To), _Opaques) -> false;
t_contains_opaque(?int_set(_Set), _Opaques) -> false;
t_contains_opaque(?list(Type, Tail, _), Opaques) ->
t_contains_opaque(Type, Opaques) orelse t_contains_opaque(Tail, Opaques);
+t_contains_opaque(?map(Pairs), Opaques) ->
+ list_contains_opaque([V||{_,V}<-Pairs], Opaques) orelse
+ list_contains_opaque([K||{K,_}<-Pairs], Opaques);
t_contains_opaque(?matchstate(_P, _Slots), _Opaques) -> false;
t_contains_opaque(?nil, _Opaques) -> false;
t_contains_opaque(?number(_Set, _Tag), _Opaques) -> false;
@@ -655,9 +665,9 @@ list_decorate(List, L, Opaques) ->
union_decorate(U1, U2, Opaques) ->
Union = union_decorate(U1, U2, Opaques, 0, []),
- [A,B,F,I,L,N,T,M,_,_R] = U1,
- [_,_,_,_,_,_,_,_,Opaque,_] = U2,
- List = [A,B,F,I,L,N,T,M],
+ [A,B,F,I,L,N,T,M,_,_R,Map] = U1,
+ [_,_,_,_,_,_,_,_,Opaque,_,_] = U2,
+ List = [A,B,F,I,L,N,T,M,Map],
DecList = [Dec ||
E <- List,
not t_is_none(Dec = decorate(E, Opaque, Opaques))],
@@ -1695,6 +1705,29 @@ lift_list_to_pos_empty(?list(Content, Termination, _)) ->
?list(Content, Termination, ?unknown_qual).
%%-----------------------------------------------------------------------------
+%% Maps
+%%
+
+-spec t_map() -> erl_type().
+
+t_map() ->
+ ?map([]).
+
+-spec t_map([{erl_type(),erl_type()}]) -> erl_type().
+
+t_map(_) ->
+ ?map([]).
+
+-spec t_is_map(erl_type(), opaques()) -> boolean().
+
+t_is_map(Type, Opaques) ->
+ do_opaque(Type, Opaques, fun is_map1/1).
+
+is_map1(?map(_)) -> true;
+is_map1(_) -> false.
+
+
+%%-----------------------------------------------------------------------------
%% Tuples
%%
@@ -2517,6 +2550,7 @@ force_union(T = ?nil) -> ?list_union(T);
force_union(T = ?number(_,_)) -> ?number_union(T);
force_union(T = ?opaque(_)) -> ?opaque_union(T);
force_union(T = ?remote(_)) -> ?remote_union(T);
+force_union(T = ?map(_)) -> ?map_union(T);
force_union(T = ?tuple(_, _, _)) -> ?tuple_union(T);
force_union(T = ?tuple_set(_)) -> ?tuple_union(T);
force_union(T = ?matchstate(_, _)) -> ?matchstate_union(T);
@@ -2553,6 +2587,7 @@ t_elements(?number(_, _) = T) ->
end;
t_elements(?opaque(_) = T) ->
do_elements(T);
+t_elements(?map(_) = T) -> [T];
t_elements(?tuple(_, _, _) = T) -> [T];
t_elements(?tuple_set(_) = TS) ->
case t_tuple_subtypes(TS) of
@@ -2914,9 +2949,9 @@ inf_tuples_in_sets2(_, [], Acc, _Opaques) -> lists:reverse(Acc).
inf_union(U1, U2, Opaques) ->
OpaqueFun =
fun(Union1, Union2, InfFun) ->
- [_,_,_,_,_,_,_,_,Opaque,_] = Union1,
- [A,B,F,I,L,N,T,M,_,_R] = Union2,
- List = [A,B,F,I,L,N,T,M],
+ [_,_,_,_,_,_,_,_,Opaque,_,_] = Union1,
+ [A,B,F,I,L,N,T,M,_,_R,Map] = Union2,
+ List = [A,B,F,I,L,N,T,M,Map],
inf_union_collect(List, Opaque, InfFun, [], [])
end,
O1 = OpaqueFun(U1, U2, fun(E, Opaque) -> t_inf(Opaque, E, Opaques) end),
@@ -3182,11 +3217,11 @@ unify_union1(?union(List), T1, T2) ->
end.
unify_union(List) ->
- [A,B,F,I,L,N,T,M,O,R] = List,
+ [A,B,F,I,L,N,T,M,O,R,Map] = List,
if O =:= ?none -> no;
true ->
S = t_opaque_structure(O),
- {yes, t_sup([A,B,F,I,L,N,T,M,S,R])}
+ {yes, t_sup([A,B,F,I,L,N,T,M,S,R,Map])}
end.
-spec is_opaque_type(erl_type(), [erl_type()]) -> boolean().
@@ -3537,10 +3572,10 @@ t_subtract_lists([], [], Acc) ->
-spec subtract_union([erl_type(),...], [erl_type(),...]) -> erl_type().
subtract_union(U1, U2) ->
- [A1,B1,F1,I1,L1,N1,T1,M1,O1,R1] = U1,
- [A2,B2,F2,I2,L2,N2,T2,M2,O2,R2] = U2,
- List1 = [A1,B1,F1,I1,L1,N1,T1,M1,?none,R1],
- List2 = [A2,B2,F2,I2,L2,N2,T2,M2,?none,R2],
+ [A1,B1,F1,I1,L1,N1,T1,M1,O1,R1,Map1] = U1,
+ [A2,B2,F2,I2,L2,N2,T2,M2,O2,R2,Map2] = U2,
+ List1 = [A1,B1,F1,I1,L1,N1,T1,M1,?none,R1,Map1],
+ List2 = [A2,B2,F2,I2,L2,N2,T2,M2,?none,R2,Map2],
Sub1 = subtract_union(List1, List2, 0, []),
O = if O1 =:= ?none -> O1;
true -> t_subtract(O1, ?union(U2))
@@ -3656,7 +3691,7 @@ t_unopaque(?product(Types), Opaques) ->
?product([t_unopaque(T, Opaques) || T <- Types]);
t_unopaque(?function(Domain, Range), Opaques) ->
?function(t_unopaque(Domain, Opaques), t_unopaque(Range, Opaques));
-t_unopaque(?union([A,B,F,I,L,N,T,M,O,R]), Opaques) ->
+t_unopaque(?union([A,B,F,I,L,N,T,M,O,R,Map]), Opaques) ->
UL = t_unopaque(L, Opaques),
UT = t_unopaque(T, Opaques),
UF = t_unopaque(F, Opaques),
@@ -3664,7 +3699,7 @@ t_unopaque(?union([A,B,F,I,L,N,T,M,O,R]), Opaques) ->
?opaque(_) = O1 -> {O1, []};
Type -> {?none, [Type]}
end,
- t_sup([?union([A,B,UF,I,UL,N,UT,M,OF,R])|UO]);
+ t_sup([?union([A,B,UF,I,UL,N,UT,M,OF,R,Map])|UO]);
t_unopaque(T, _) ->
T.
@@ -3941,6 +3976,8 @@ t_to_string(?remote(Set), RecDict) ->
|| #remote{mod = Mod, name = Name, args = Args} <-
set_to_list(Set)],
" | ");
+t_to_string(?map(Pairs), RecDict) ->
+ "#{" ++ map_pairs_to_string(Pairs,RecDict) ++ "}";
t_to_string(?tuple(?any, ?any, ?any), _RecDict) -> "tuple()";
t_to_string(?tuple(Elements, _Arity, ?any), RecDict) ->
"{" ++ comma_sequence(Elements, RecDict) ++ "}";
@@ -3960,6 +3997,13 @@ t_to_string(?var(Id), _RecDict) when is_atom(Id) ->
t_to_string(?var(Id), _RecDict) when is_integer(Id) ->
flat_format("var(~w)", [Id]).
+
+map_pairs_to_string([],_) -> [];
+map_pairs_to_string(Pairs,RecDict) ->
+ StrPairs = [{t_to_string(K,RecDict),t_to_string(V,RecDict)}||{K,V}<-Pairs],
+ string:join([K ++ "=>" ++ V||{K,V}<-StrPairs], ", ").
+
+
record_to_string(Tag, [_|Fields], FieldNames, RecDict) ->
FieldStrings = record_fields_to_string(Fields, FieldNames, RecDict, []),
"#" ++ atom_to_string(Tag) ++ "{" ++ string:join(FieldStrings, ",") ++ "}".
@@ -4153,6 +4197,8 @@ t_from_form({type, _L, list, []}, _TypeNames, _RecDict, _VarDict) ->
t_from_form({type, _L, list, [Type]}, TypeNames, RecDict, VarDict) ->
{T, R} = t_from_form(Type, TypeNames, RecDict, VarDict),
{t_list(T), R};
+t_from_form({type, _L, map, _}, _TypeNames, _RecDict, _VarDict) ->
+ {t_map([]), []};
t_from_form({type, _L, mfa, []}, _TypeNames, _RecDict, _VarDict) ->
{t_mfa(), []};
t_from_form({type, _L, module, []}, _TypeNames, _RecDict, _VarDict) ->
@@ -4437,6 +4483,8 @@ t_form_to_string({type, _L, iodata, []}) -> "iodata()";
t_form_to_string({type, _L, iolist, []}) -> "iolist()";
t_form_to_string({type, _L, list, [Type]}) ->
"[" ++ t_form_to_string(Type) ++ "]";
+t_form_to_string({type, _L, map, _}) ->
+ "#{}";
t_form_to_string({type, _L, mfa, []}) -> "mfa()";
t_form_to_string({type, _L, module, []}) -> "module()";
t_form_to_string({type, _L, node, []}) -> "node()";
@@ -4566,13 +4614,13 @@ do_opaque(?opaque(_) = Type, Opaques, Pred) ->
false -> Pred(Type)
end;
do_opaque(?union(List) = Type, Opaques, Pred) ->
- [A,B,F,I,L,N,T,M,O,R] = List,
+ [A,B,F,I,L,N,T,M,O,R,Map] = List,
if O =:= ?none -> Pred(Type);
true ->
case Opaques =:= 'universe' orelse is_opaque_type(O, Opaques) of
true ->
S = t_opaque_structure(O),
- do_opaque(t_sup([A,B,F,I,L,N,T,M,S,R]), Opaques, Pred);
+ do_opaque(t_sup([A,B,F,I,L,N,T,M,S,R,Map]), Opaques, Pred);
false -> Pred(Type)
end
end;
diff --git a/lib/stdlib/examples/erl_id_trans.erl b/lib/stdlib/examples/erl_id_trans.erl
index 2c842fafc7..5fcb74310e 100644
--- a/lib/stdlib/examples/erl_id_trans.erl
+++ b/lib/stdlib/examples/erl_id_trans.erl
@@ -144,6 +144,13 @@ pattern({cons,Line,H0,T0}) ->
pattern({tuple,Line,Ps0}) ->
Ps1 = pattern_list(Ps0),
{tuple,Line,Ps1};
+pattern({map,Line,Ps0}) ->
+ Ps1 = pattern_list(Ps0),
+ {map,Line,Ps1};
+pattern({map_field_exact,Line,K,V}) ->
+ Ke = pattern(K),
+ Ve = pattern(V),
+ {map_field_exact,Line,Ke,Ve};
%%pattern({struct,Line,Tag,Ps0}) ->
%% Ps1 = pattern_list(Ps0),
%% {struct,Line,Tag,Ps1};
@@ -251,6 +258,20 @@ gexpr({float,Line,F}) -> {float,Line,F};
gexpr({atom,Line,A}) -> {atom,Line,A};
gexpr({string,Line,S}) -> {string,Line,S};
gexpr({nil,Line}) -> {nil,Line};
+gexpr({map,Line,Map0,Es0}) ->
+ [Map1|Es1] = gexpr_list([Map0|Es0]),
+ {map,Line,Map1,Es1};
+gexpr({map,Line,Es0}) ->
+ Es1 = gexpr_list(Es0),
+ {map,Line,Es1};
+gexpr({map_field_assoc,Line,K,V}) ->
+ Ke = gexpr(K),
+ Ve = gexpr(V),
+ {map_field_assoc,Line,Ke,Ve};
+gexpr({map_field_exact,Line,K,V}) ->
+ Ke = gexpr(K),
+ Ve = gexpr(V),
+ {map_field_exact,Line,Ke,Ve};
gexpr({cons,Line,H0,T0}) ->
H1 = gexpr(H0),
T1 = gexpr(T0), %They see the same variables
@@ -356,6 +377,20 @@ expr({bc,Line,E0,Qs0}) ->
expr({tuple,Line,Es0}) ->
Es1 = expr_list(Es0),
{tuple,Line,Es1};
+expr({map,Line,Map0,Es0}) ->
+ [Map1|Es1] = exprs([Map0|Es0]),
+ {map,Line,Map1,Es1};
+expr({map,Line,Es0}) ->
+ Es1 = exprs(Es0),
+ {map,Line,Es1};
+expr({map_field_assoc,Line,K,V}) ->
+ Ke = expr(K),
+ Ve = expr(V),
+ {map_field_assoc,Line,Ke,Ve};
+expr({map_field_exact,Line,K,V}) ->
+ Ke = expr(K),
+ Ve = expr(V),
+ {map_field_exact,Line,Ke,Ve};
%%expr({struct,Line,Tag,Es0}) ->
%% Es1 = pattern_list(Es0),
%% {struct,Line,Tag,Es1};
diff --git a/lib/stdlib/src/Makefile b/lib/stdlib/src/Makefile
index f3387d669b..9ab2cd4134 100644
--- a/lib/stdlib/src/Makefile
+++ b/lib/stdlib/src/Makefile
@@ -91,6 +91,7 @@ MODULES= \
lib \
lists \
log_mf_h \
+ maps \
math \
ms_transform \
otp_internal \
diff --git a/lib/stdlib/src/erl_eval.erl b/lib/stdlib/src/erl_eval.erl
index 18d8148b15..5f96795d92 100644
--- a/lib/stdlib/src/erl_eval.erl
+++ b/lib/stdlib/src/erl_eval.erl
@@ -239,6 +239,29 @@ expr({record,_,Name,_}, _Bs, _Lf, _Ef, _RBs) ->
erlang:raise(error, {undef_record,Name}, stacktrace());
expr({record,_,_,Name,_}, _Bs, _Lf, _Ef, _RBs) ->
erlang:raise(error, {undef_record,Name}, stacktrace());
+
+%% map
+expr({map_field_assoc,_,EK, EV}, Bs0, Lf, Ef, RBs) ->
+ {value,K,Bs1} = expr(EK, Bs0, Lf, Ef, none),
+ {value,V,Bs2} = expr(EV, Bs0, Lf, Ef, none),
+ ret_expr({map_assoc,K,V}, merge_bindings(Bs1,Bs2), RBs);
+expr({map_field_exact,_,EK, EV}, Bs0, Lf, Ef, RBs) ->
+ {value,K,Bs1} = expr(EK, Bs0, Lf, Ef, none),
+ {value,V,Bs2} = expr(EV, Bs0, Lf, Ef, none),
+ ret_expr({map_exact,K,V}, merge_bindings(Bs1,Bs2), RBs);
+expr({map,_, Binding,Es}, Bs0, Lf, Ef, RBs) ->
+ {value, Map0, Bs1} = expr(Binding, Bs0, Lf, Ef, RBs),
+ {Vs,Bs} = expr_list(Es, Bs1, Lf, Ef),
+ ret_expr(lists:foldl(fun
+ ({map_assoc,K,V}, Mi) -> maps:put(K,V,Mi);
+ ({map_exact,K,V}, Mi) -> maps:update(K,V,Mi)
+ end, Map0, Vs), Bs, RBs);
+expr({map,_,Es}, Bs0, Lf, Ef, RBs) ->
+ {Vs,Bs} = expr_list(Es, Bs0, Lf, Ef),
+ ret_expr(lists:foldl(fun
+ ({map_assoc,K,V}, Mi) -> maps:put(K,V,Mi)
+ end, maps:new(), Vs), Bs, RBs);
+
expr({block,_,Es}, Bs, Lf, Ef, RBs) ->
exprs(Es, Bs, Lf, Ef, RBs);
expr({'if',_,Cs}, Bs, Lf, Ef, RBs) ->
@@ -994,6 +1017,7 @@ type_test(port) -> is_port;
type_test(function) -> is_function;
type_test(binary) -> is_binary;
type_test(record) -> is_record;
+type_test(map) -> is_map;
type_test(Test) -> Test.
@@ -1075,6 +1099,9 @@ match1({tuple,_,Elts}, Tuple, Bs, BBs)
match_tuple(Elts, Tuple, 1, Bs, BBs);
match1({tuple,_,_}, _, _Bs, _BBs) ->
throw(nomatch);
+match1({map,_,Fs}, Map, Bs, BBs) ->
+ match_map(Fs, Map, Bs, BBs);
+
match1({bin, _, Fs}, <<_/bitstring>>=B, Bs0, BBs) ->
eval_bits:match_bits(Fs, B, Bs0, BBs,
match_fun(BBs),
@@ -1118,6 +1145,18 @@ match_tuple([E|Es], Tuple, I, Bs0, BBs) ->
match_tuple([], _, _, Bs, _BBs) ->
{match,Bs}.
+match_map([{map_field_exact, _, K, V}|Fs], Map, Bs0, BBs) ->
+ Vm = try
+ {value, Ke, _} = expr(K, new_bindings()),
+ maps:get(Ke,Map)
+ catch error:_ ->
+ throw(nomatch)
+ end,
+ {match, Bs} = match1(V, Vm, Bs0, BBs),
+ match_map(Fs, Map, Bs, BBs);
+match_map([], _, Bs, _) ->
+ {match, Bs}.
+
%% match_list(PatternList, TermList, Bindings) ->
%% {match,NewBindings} | nomatch
%% Try to match a list of patterns against a list of terms with the
diff --git a/lib/stdlib/src/erl_expand_records.erl b/lib/stdlib/src/erl_expand_records.erl
index 776b433613..4741bef6b9 100644
--- a/lib/stdlib/src/erl_expand_records.erl
+++ b/lib/stdlib/src/erl_expand_records.erl
@@ -132,6 +132,12 @@ pattern({cons,Line,H,T}, St0) ->
pattern({tuple,Line,Ps}, St0) ->
{TPs,St1} = pattern_list(Ps, St0),
{{tuple,Line,TPs},St1};
+pattern({map,Line,Ps}, St0) ->
+ {TPs,St1} = pattern_list(Ps, St0),
+ {{map,Line,TPs},St1};
+pattern({map_field_exact,Line,Key,V0}, St0) ->
+ {V,St1} = pattern(V0, St0),
+ {{map_field_exact,Line,Key,V},St1};
%%pattern({struct,Line,Tag,Ps}, St0) ->
%% {TPs,TPsvs,St1} = pattern_list(Ps, St0),
%% {{struct,Line,Tag,TPs},TPsvs,St1};
@@ -301,6 +307,20 @@ expr({bc,Line,E0,Qs0}, St0) ->
expr({tuple,Line,Es0}, St0) ->
{Es1,St1} = expr_list(Es0, St0),
{{tuple,Line,Es1},St1};
+expr({map,Line,Es0}, St0) ->
+ {Es1,St1} = expr_list(Es0, St0),
+ {{map,Line,Es1},St1};
+expr({map,Line,Var,Es0}, St0) ->
+ {Es1,St1} = expr_list(Es0, St0),
+ {{map,Line,Var,Es1},St1};
+expr({map_field_assoc,Line,K0,V0}, St0) ->
+ {K,St1} = expr(K0, St0),
+ {V,St2} = expr(V0, St1),
+ {{map_field_assoc,Line,K,V},St2};
+expr({map_field_exact,Line,K0,V0}, St0) ->
+ {K,St1} = expr(K0, St0),
+ {V,St2} = expr(V0, St1),
+ {{map_field_exact,Line,K,V},St2};
%%expr({struct,Line,Tag,Es0}, Vs, St0) ->
%% {Es1,Esvs,Esus,St1} = expr_list(Es0, Vs, St0),
%% {{struct,Line,Tag,Es1},Esvs,Esus,St1};
diff --git a/lib/stdlib/src/erl_internal.erl b/lib/stdlib/src/erl_internal.erl
index 28de7205ea..edfb097de0 100644
--- a/lib/stdlib/src/erl_internal.erl
+++ b/lib/stdlib/src/erl_internal.erl
@@ -70,6 +70,7 @@ guard_bif(bit_size, 1) -> true;
guard_bif(byte_size, 1) -> true;
guard_bif(element, 2) -> true;
guard_bif(self, 0) -> true;
+guard_bif(map_size, 1) -> true;
guard_bif(node, 0) -> true;
guard_bif(node, 1) -> true;
guard_bif(tuple_size, 1) -> true;
@@ -82,6 +83,7 @@ guard_bif(is_function, 1) -> true;
guard_bif(is_function, 2) -> true;
guard_bif(is_integer, 1) -> true;
guard_bif(is_list, 1) -> true;
+guard_bif(is_map, 1) -> true;
guard_bif(is_number, 1) -> true;
guard_bif(is_pid, 1) -> true;
guard_bif(is_port, 1) -> true;
@@ -113,6 +115,7 @@ new_type_test(is_function, 1) -> true;
new_type_test(is_function, 2) -> true;
new_type_test(is_integer, 1) -> true;
new_type_test(is_list, 1) -> true;
+new_type_test(is_map, 1) -> true;
new_type_test(is_number, 1) -> true;
new_type_test(is_pid, 1) -> true;
new_type_test(is_port, 1) -> true;
@@ -315,6 +318,7 @@ bif(is_function, 1) -> true;
bif(is_function, 2) -> true;
bif(is_integer, 1) -> true;
bif(is_list, 1) -> true;
+bif(is_map, 1) -> true;
bif(is_number, 1) -> true;
bif(is_pid, 1) -> true;
bif(is_port, 1) -> true;
@@ -335,6 +339,7 @@ bif(list_to_pid, 1) -> true;
bif(list_to_tuple, 1) -> true;
bif(load_module, 2) -> true;
bif(make_ref, 0) -> true;
+bif(map_size,1) -> true;
bif(max,2) -> true;
bif(min,2) -> true;
bif(module_loaded, 1) -> true;
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index f0d50df4c7..f630db6032 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -225,6 +225,8 @@ format_error({too_many_arguments,Arity}) ->
"maximum allowed is ~w", [Arity,?MAX_ARGUMENTS]);
%% --- patterns and guards ---
format_error(illegal_pattern) -> "illegal pattern";
+format_error({illegal_map_key_variable,K}) ->
+ io_lib:format("illegal use of variable ~w in map",[K]);
format_error(illegal_bin_pattern) ->
"binary patterns cannot be matched in parallel using '='";
format_error(illegal_expr) -> "illegal expression";
@@ -232,6 +234,9 @@ format_error({illegal_guard_local_call, {F,A}}) ->
io_lib:format("call to local/imported function ~w/~w is illegal in guard",
[F,A]);
format_error(illegal_guard_expr) -> "illegal guard expression";
+%% --- maps ---
+format_error(illegal_map_construction) ->
+ "only association operators '=>' are allowed in map construction";
%% --- records ---
format_error({undefined_record,T}) ->
io_lib:format("record ~w undefined", [T]);
@@ -1366,6 +1371,19 @@ pattern({cons,_Line,H,T}, Vt, Old, Bvt, St0) ->
{vtmerge_pat(Hvt, Tvt),vtmerge_pat(Bvt1,Bvt2),St2};
pattern({tuple,_Line,Ps}, Vt, Old, Bvt, St) ->
pattern_list(Ps, Vt, Old, Bvt, St);
+pattern({map,_Line,Ps}, Vt, Old, Bvt, St) ->
+ pattern_list(Ps, Vt, Old, Bvt, St);
+pattern({map_field_assoc,Line,_,_}, _, _, _, St) ->
+ {[],[],add_error(Line, illegal_pattern, St)};
+pattern({map_field_exact,Line,KP,VP}, Vt, Old, Bvt0, St0) ->
+ %% if the key pattern has variables we should fail
+ case expr(KP,[],St0) of
+ {[],_} ->
+ pattern(VP, Vt, Old, Bvt0, St0);
+ {[Var|_],_} ->
+ %% found variables in key expression
+ {Vt,Old,add_error(Line,{illegal_map_key_variable,element(1,Var)},St0)}
+ end;
%%pattern({struct,_Line,_Tag,Ps}, Vt, Old, Bvt, St) ->
%% pattern_list(Ps, Vt, Old, Bvt, St);
pattern({record_index,Line,Name,Field}, _Vt, _Old, _Bvt, St) ->
@@ -1753,6 +1771,14 @@ gexpr({cons,_Line,H,T}, Vt, St) ->
gexpr_list([H,T], Vt, St);
gexpr({tuple,_Line,Es}, Vt, St) ->
gexpr_list(Es, Vt, St);
+gexpr({map,_Line,Es}, Vt, St) ->
+ gexpr_list(Es, Vt, St);
+gexpr({map,_Line,Src,Es}, Vt, St) ->
+ gexpr_list([Src|Es], Vt, St);
+gexpr({map_field_assoc,_Line,K,V}, Vt, St) ->
+ gexpr_list([K,V], Vt, St);
+gexpr({map_field_exact,_Line,K,V}, Vt, St) ->
+ gexpr_list([K,V], Vt, St);
gexpr({record_index,Line,Name,Field}, _Vt, St) ->
check_record(Line, Name, St,
fun (Dfs, St1) -> record_field(Field, Name, Dfs, St1) end );
@@ -1970,6 +1996,24 @@ expr({bc,_Line,E,Qs}, Vt, St) ->
handle_comprehension(E, Qs, Vt, St);
expr({tuple,_Line,Es}, Vt, St) ->
expr_list(Es, Vt, St);
+expr({map,Line,Es}, Vt, St) ->
+ {Rvt,St1} = expr_list(Es,Vt,St),
+ case is_valid_map_construction(Es) of
+ true -> {Rvt,St1};
+ false -> {[],add_error(Line,illegal_map_construction,St1)}
+ end;
+expr({map,_Line,Src,Es}, Vt, St) ->
+ expr_list([Src|Es], Vt, St);
+expr({map_field_assoc,Line,K,V}, Vt, St) ->
+ case is_valid_map_key(K,St) of
+ true -> expr_list([K,V], Vt, St);
+ {false,Var} -> {[],add_error(Line,{illegal_map_key_variable,Var},St)}
+ end;
+expr({map_field_exact,Line,K,V}, Vt, St) ->
+ case is_valid_map_key(K,St) of
+ true -> expr_list([K,V], Vt, St);
+ {false,Var} -> {[],add_error(Line,{illegal_map_key_variable,Var},St)}
+ end;
expr({record_index,Line,Name,Field}, _Vt, St) ->
check_record(Line, Name, St,
fun (Dfs, St1) -> record_field(Field, Name, Dfs, St1) end);
@@ -2229,6 +2273,20 @@ is_valid_call(Call) ->
_ -> true
end.
+%% check_map_construction
+%% Only #{ K => V }, i.e. assoc is a valid construction
+is_valid_map_construction([{map_field_assoc,_,_,_}|Es]) ->
+ is_valid_map_construction(Es);
+is_valid_map_construction([]) -> true;
+is_valid_map_construction(_) -> false.
+
+is_valid_map_key(K,St) ->
+ case expr(K,[],St) of
+ {[],_} -> true;
+ {[Var|_],_} ->
+ {false,element(1,Var)}
+ end.
+
%% record_def(Line, RecordName, [RecField], State) -> State.
%% Add a record definition if it does not already exist. Normalise
%% so that all fields have explicit initial value.
@@ -2549,6 +2607,13 @@ check_type({type, L, range, [From, To]}, SeenVars, St) ->
_ -> add_error(L, {type_syntax, range}, St)
end,
{SeenVars, St1};
+check_type({type, _L, map, any}, SeenVars, St) -> {SeenVars, St};
+check_type({type, _L, map, Pairs}, SeenVars, St) ->
+ lists:foldl(fun(Pair, {AccSeenVars, AccSt}) ->
+ check_type(Pair, AccSeenVars, AccSt)
+ end, {SeenVars, St}, Pairs);
+check_type({type, _L, map_field_assoc, Dom, Range}, SeenVars, St) ->
+ check_type({type, -1, product, [Dom, Range]}, SeenVars, St);
check_type({type, _L, tuple, any}, SeenVars, St) -> {SeenVars, St};
check_type({type, _L, any}, SeenVars, St) -> {SeenVars, St};
check_type({type, L, binary, [Base, Unit]}, SeenVars, St) ->
@@ -2654,6 +2719,7 @@ is_default_type({iodata, 0}) -> true;
is_default_type({iolist, 0}) -> true;
is_default_type({list, 0}) -> true;
is_default_type({list, 1}) -> true;
+is_default_type({map, 0}) -> true;
is_default_type({maybe_improper_list, 0}) -> true;
is_default_type({maybe_improper_list, 2}) -> true;
is_default_type({mfa, 0}) -> true;
diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl
index 59a05a48ee..6316db7054 100644
--- a/lib/stdlib/src/erl_parse.yrl
+++ b/lib/stdlib/src/erl_parse.yrl
@@ -34,6 +34,7 @@ binary_comprehension
tuple
%struct
record_expr record_tuple record_field record_fields
+map_expr map_tuple map_field map_field_assoc map_field_exact map_fields map_key
if_expr if_clause if_clauses case_expr cr_clause cr_clauses receive_expr
fun_expr fun_clause fun_clauses atom_or_var integer_or_var
try_expr try_catch try_clause try_clauses
@@ -47,6 +48,7 @@ opt_bit_size_expr bit_size_expr opt_bit_type_list bit_type_list bit_type
top_type top_type_100 top_types type typed_expr typed_attr_val
type_sig type_sigs type_guard type_guards fun_type fun_type_100 binary_type
type_spec spec_fun typed_exprs typed_record_fields field_types field_type
+map_pair_types map_pair_type
bin_base_type bin_unit_type type_200 type_300 type_400 type_500.
Terminals
@@ -59,7 +61,7 @@ char integer float atom string var
'*' '/' 'div' 'rem' 'band' 'and'
'+' '-' 'bor' 'bxor' 'bsl' 'bsr' 'or' 'xor'
'++' '--'
-'==' '/=' '=<' '<' '>=' '>' '=:=' '=/=' '<='
+'==' '/=' '=<' '<' '>=' '>' '=:=' '=/=' '<=' '=>' ':='
'<<' '>>'
'!' '=' '::' '..' '...'
'spec' 'callback' % helper
@@ -154,6 +156,8 @@ type -> '[' ']' : {type, ?line('$1'), nil, []}.
type -> '[' top_type ']' : {type, ?line('$1'), list, ['$2']}.
type -> '[' top_type ',' '...' ']' : {type, ?line('$1'),
nonempty_list, ['$2']}.
+type -> '#' '{' '}' : {type, ?line('$1'), map, []}.
+type -> '#' '{' map_pair_types '}' : {type, ?line('$1'), map, '$3'}.
type -> '{' '}' : {type, ?line('$1'), tuple, []}.
type -> '{' top_types '}' : {type, ?line('$1'), tuple, '$2'}.
type -> '#' atom '{' '}' : {type, ?line('$1'), record, ['$2']}.
@@ -175,6 +179,10 @@ fun_type -> '(' top_types ')' '->' top_type
: {type, ?line('$1'), 'fun',
[{type, ?line('$1'), product, '$2'},'$5']}.
+map_pair_types -> map_pair_type : ['$1'].
+map_pair_types -> map_pair_type ',' map_pair_types : ['$1'|'$3'].
+map_pair_type -> top_type '=>' top_type : {type, ?line('$2'), map_field_assoc,'$1','$3'}.
+
field_types -> field_type : ['$1'].
field_types -> field_type ',' field_types : ['$1'|'$3'].
@@ -247,6 +255,7 @@ expr_500 -> expr_600 : '$1'.
expr_600 -> prefix_op expr_700 :
?mkop1('$1', '$2').
+expr_600 -> map_expr : '$1'.
expr_600 -> expr_700 : '$1'.
expr_700 -> function_call : '$1'.
@@ -327,6 +336,30 @@ tuple -> '{' exprs '}' : {tuple,?line('$1'),'$2'}.
%%struct -> atom tuple :
%% {struct,?line('$1'),element(3, '$1'),element(3, '$2')}.
+map_expr -> '#' map_tuple :
+ {map, ?line('$1'),'$2'}.
+map_expr -> expr_max '#' map_tuple :
+ {map, ?line('$2'),'$1','$3'}.
+map_expr -> map_expr '#' map_tuple :
+ {map, ?line('$2'),'$1','$3'}.
+
+map_tuple -> '{' '}' : [].
+map_tuple -> '{' map_fields '}' : '$2'.
+
+map_fields -> map_field : ['$1'].
+map_fields -> map_field ',' map_fields : ['$1' | '$3'].
+
+map_field -> map_field_assoc : '$1'.
+map_field -> map_field_exact : '$1'.
+
+map_field_assoc -> map_key '=>' expr :
+ {map_field_assoc,?line('$1'),'$1','$3'}.
+
+map_field_exact -> map_key ':=' expr :
+ {map_field_exact,?line('$1'),'$1','$3'}.
+
+map_key -> expr : '$1'.
+
%% N.B. This is called from expr_700.
%% N.B. Field names are returned as the complete object, even if they are
@@ -648,6 +681,8 @@ skip_paren(Type) ->
build_gen_type({atom, La, tuple}) ->
{type, La, tuple, any};
+build_gen_type({atom, La, map}) ->
+ {type, La, map, any};
build_gen_type({atom, La, Name}) ->
{type, La, Name, []}.
@@ -860,6 +895,12 @@ normalise({cons,_,Head,Tail}) ->
[normalise(Head)|normalise(Tail)];
normalise({tuple,_,Args}) ->
list_to_tuple(normalise_list(Args));
+normalise({map,_,Pairs}=M) ->
+ maps:from_list(lists:map(fun
+ %% only allow '=>'
+ ({map_field_assoc,_,K,V}) -> {normalise(K),normalise(V)};
+ (_) -> erlang:error({badarg,M})
+ end, Pairs));
%% Special case for unary +/-.
normalise({op,_,'+',{char,_,I}}) -> I;
normalise({op,_,'+',{integer,_,I}}) -> I;
@@ -1060,3 +1101,5 @@ get_attribute(L, Name) ->
get_attributes(L) ->
erl_scan:attributes_info(L).
+
+%% vim: ft=erlang
diff --git a/lib/stdlib/src/erl_scan.erl b/lib/stdlib/src/erl_scan.erl
index 4ba6dd01fa..ae59d5f44f 100644
--- a/lib/stdlib/src/erl_scan.erl
+++ b/lib/stdlib/src/erl_scan.erl
@@ -569,7 +569,7 @@ scan1("++"++Cs, St, Line, Col, Toks) ->
tok2(Cs, St, Line, Col, Toks, "++", '++', 2);
scan1("+"=Cs, _St, Line, Col, Toks) ->
{more,{Cs,Col,Toks,Line,[],fun scan/6}};
-%% =:= =/= =< ==
+%% =:= =/= =< == =>
scan1("=:="++Cs, St, Line, Col, Toks) ->
tok2(Cs, St, Line, Col, Toks, "=:=", '=:=', 3);
scan1("=:"=Cs, _St, Line, Col, Toks) ->
@@ -580,6 +580,8 @@ scan1("=/"=Cs, _St, Line, Col, Toks) ->
{more,{Cs,Col,Toks,Line,[],fun scan/6}};
scan1("=<"++Cs, St, Line, Col, Toks) ->
tok2(Cs, St, Line, Col, Toks, "=<", '=<', 2);
+scan1("=>"++Cs, St, Line, Col, Toks) ->
+ tok2(Cs, St, Line, Col, Toks, "=>", '=>', 2);
scan1("=="++Cs, St, Line, Col, Toks) ->
tok2(Cs, St, Line, Col, Toks, "==", '==', 2);
scan1("="=Cs, _St, Line, Col, Toks) ->
@@ -594,6 +596,9 @@ scan1("||"++Cs, St, Line, Col, Toks) ->
tok2(Cs, St, Line, Col, Toks, "||", '||', 2);
scan1("|"=Cs, _St, Line, Col, Toks) ->
{more,{Cs,Col,Toks,Line,[],fun scan/6}};
+%% :=
+scan1(":="++Cs, St, Line, Col, Toks) ->
+ tok2(Cs, St, Line, Col, Toks, ":=", ':=', 2);
%% :-
scan1(":-"++Cs, St, Line, Col, Toks) ->
tok2(Cs, St, Line, Col, Toks, ":-", ':-', 2);
diff --git a/lib/stdlib/src/io_lib.erl b/lib/stdlib/src/io_lib.erl
index 375d05f359..adc9a0cf5f 100644
--- a/lib/stdlib/src/io_lib.erl
+++ b/lib/stdlib/src/io_lib.erl
@@ -257,7 +257,9 @@ write(T, D) when is_tuple(T) ->
[write(element(1, T), D-1)|
write_tail(tl(tuple_to_list(T)), D-1, $,)],
$}]
- end.
+ end;
+%write(Term, D) when is_map(Term) -> write_map(Term, D);
+write(Term, D) -> write_map(Term, D).
%% write_tail(List, Depth, CharacterBeforeDots)
%% Test the terminating case first as this looks better with depth.
@@ -275,6 +277,18 @@ write_port(Port) ->
write_ref(Ref) ->
erlang:ref_to_list(Ref).
+write_map(Map, D) when is_integer(D) ->
+ [$#,${,write_map_body(maps:to_list(Map), D),$}].
+
+write_map_body(_, 0) -> "...";
+write_map_body([],_) -> [];
+write_map_body([{K,V}],D) -> write_map_assoc(K,V,D);
+write_map_body([{K,V}|KVs], D) ->
+ [write_map_assoc(K,V,D),$, | write_map_body(KVs,D-1)].
+
+write_map_assoc(K,V,D) ->
+ [write(K,D - 1),"=>",write(V,D-1)].
+
write_binary(B, D) when is_integer(D) ->
[$<,$<,write_binary_body(B, D),$>,$>].
diff --git a/lib/stdlib/src/io_lib_pretty.erl b/lib/stdlib/src/io_lib_pretty.erl
index 7637ad7a3d..f02a7921f8 100644
--- a/lib/stdlib/src/io_lib_pretty.erl
+++ b/lib/stdlib/src/io_lib_pretty.erl
@@ -101,6 +101,7 @@ print(Term, Col, Ll, D, M, RecDefFun, Enc, Str) when Col =< 0 ->
print(Term, 1, Ll, D, M, RecDefFun, Enc, Str);
print(Term, Col, Ll, D, M0, RecDefFun, Enc, Str) when is_tuple(Term);
is_list(Term);
+ is_map(Term);
is_bitstring(Term) ->
If = {_S, Len} = print_length(Term, D, RecDefFun, Enc, Str),
M = max_cs(M0, Len),
@@ -137,6 +138,10 @@ pp({{tuple,true,L}, _Len}, Col, Ll, M, TInd, Ind, LD, W) ->
[${, pp_tag_tuple(L, Col, Ll, M, TInd, Ind, LD, W + 1), $}];
pp({{tuple,false,L}, _Len}, Col, Ll, M, TInd, Ind, LD, W) ->
[${, pp_list(L, Col + 1, Ll, M, TInd, indent(1, Ind), LD, $,, W + 1), $}];
+pp({{map,Pairs},_Len}, Col, Ll, M, TInd, Ind, LD, W) ->
+ [$#,${, pp_list(Pairs, Col + 2, Ll, M, TInd, indent(2, Ind), LD, $,, W + 1), $}];
+pp({{map_pair,K,V},_Len}, Col, Ll, M, TInd, Ind, LD, W) ->
+ [pp(K, Col, Ll, M, TInd, Ind, LD, W), " => ", pp(V, Col, Ll, M, TInd, Ind, LD, W)];
pp({{record,[{Name,NLen} | L]}, _Len}, Col, Ll, M, TInd, Ind, LD, W) ->
[Name, ${, pp_record(L, NLen, Col, Ll, M, TInd, Ind, LD, W + NLen+1), $}];
pp({{bin,S}, _Len}, Col, Ll, M, _TInd, Ind, LD, W) ->
@@ -283,6 +288,10 @@ write({{tuple, _IsTagged, L}, _}) ->
[${, write_list(L, $,), $}];
write({{list, L}, _}) ->
[$[, write_list(L, $|), $]];
+write({{map, Pairs}, _}) ->
+ [$#,${, write_list(Pairs, $,), $}];
+write({{map_pair, K, V}, _}) ->
+ [write(K)," => ",write(V)];
write({{record, [{Name,_} | L]}, _}) ->
[Name, ${, write_fields(L), $}];
write({{bin, S}, _}) ->
@@ -331,6 +340,8 @@ print_length([], _D, _RF, _Enc, _Str) ->
{"[]", 2};
print_length({}, _D, _RF, _Enc, _Str) ->
{"{}", 2};
+print_length(#{}=M, _D, _RF, _Enc, _Str) when map_size(M) =:= 0 ->
+ {"#{}", 3};
print_length(List, D, RF, Enc, Str) when is_list(List) ->
case Str andalso printable_list(List, D, Enc) of
true ->
@@ -356,6 +367,8 @@ print_length(R, D, RF, Enc, Str) when is_atom(element(1, R)),
end;
print_length(Tuple, D, RF, Enc, Str) when is_tuple(Tuple) ->
print_length_tuple(Tuple, D, RF, Enc, Str);
+print_length(Map, D, RF, Enc, Str) when is_map(Map) ->
+ print_length_map(Map, D, RF, Enc, Str);
print_length(<<>>, _D, _RF, _Enc, _Str) ->
{"<<>>", 4};
print_length(<<_/bitstring>>, 1, _RF, _Enc, _Str) ->
@@ -389,6 +402,25 @@ print_length(Term, _D, _RF, _Enc, _Str) ->
S = io_lib:write(Term),
{S, lists:flatlength(S)}.
+print_length_map(_Map, 1, _RF, _Enc, _Str) ->
+ {"#{...}", 6};
+print_length_map(Map, D, RF, Enc, Str) when is_map(Map) ->
+ Pairs = print_length_map_pairs(maps:to_list(Map), D, RF, Enc, Str),
+ {{map, Pairs}, list_length(Pairs, 3)}.
+
+print_length_map_pairs([], _D, _RF, _Enc, _Str) ->
+ [];
+print_length_map_pairs(_Pairs, 1, _RF, _Enc, _Str) ->
+ {dots, 3};
+print_length_map_pairs([{K,V}|Pairs], D, RF, Enc, Str) ->
+ [print_length_map_pair(K,V,D-1,RF,Enc,Str) |
+ print_length_map_pairs(Pairs,D-1,RF,Enc,Str)].
+
+print_length_map_pair(K, V, D, RF, Enc, Str) ->
+ {KS, KL} = print_length(K, D, RF, Enc, Str),
+ {VS, VL} = print_length(V, D, RF, Enc, Str),
+ {{map_pair, {KS,KL}, {VS,VL}}, KL + VL}.
+
print_length_tuple(_Tuple, 1, _RF, _Enc, _Str) ->
{"{...}", 5};
print_length_tuple(Tuple, D, RF, Enc, Str) ->
diff --git a/lib/stdlib/src/maps.erl b/lib/stdlib/src/maps.erl
new file mode 100644
index 0000000000..41de174e7d
--- /dev/null
+++ b/lib/stdlib/src/maps.erl
@@ -0,0 +1,198 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2013. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+
+-module(maps).
+
+-export([
+ fold/3,
+ map/2,
+ size/1,
+ without/2
+ ]).
+
+
+%%% BIFs
+-export([
+ get/2,
+ find/2,
+ from_list/1,
+ is_key/2,
+ keys/1,
+ merge/2,
+ new/0,
+ put/3,
+ remove/2,
+ to_list/1,
+ update/3,
+ values/1
+ ]).
+
+%% Shadowed by erl_bif_types: maps:get/3
+-spec get(Key,Map) -> Value when
+ Key :: term(),
+ Map :: map(),
+ Value :: term().
+
+get(_,_) -> erlang:nif_error(undef).
+
+
+%% Shadowed by erl_bif_types: maps:find/3
+-spec find(Key,Map) -> {ok, Value} | error when
+ Key :: term(),
+ Map :: map(),
+ Value :: term().
+
+find(_,_) -> erlang:nif_error(undef).
+
+
+%% Shadowed by erl_bif_types: maps:from_list/1
+-spec from_list([{Key,Value}]) -> Map when
+ Key :: term(),
+ Value :: term(),
+ Map :: map().
+
+from_list(_) -> erlang:nif_error(undef).
+
+
+%% Shadowed by erl_bif_types: maps:is_key/2
+-spec is_key(Key,Map) -> boolean() when
+ Key :: term(),
+ Map :: map().
+
+is_key(_,_) -> erlang:nif_error(undef).
+
+
+%% Shadowed by erl_bif_types: maps:keys/1
+-spec keys(Map) -> Keys when
+ Map :: map(),
+ Keys :: [Key],
+ Key :: term().
+
+keys(_) -> erlang:nif_error(undef).
+
+
+%% Shadowed by erl_bif_types: maps:merge/2
+-spec merge(Map1,Map2) -> Map3 when
+ Map1 :: map(),
+ Map2 :: map(),
+ Map3 :: map().
+
+merge(_,_) -> erlang:nif_error(undef).
+
+
+
+%% Shadowed by erl_bif_types: maps:new/0
+-spec new() -> Map when
+ Map :: map().
+
+new() -> erlang:nif_error(undef).
+
+
+%% Shadowed by erl_bif_types: maps:put/3
+-spec put(Key,Value,Map1) -> Map2 when
+ Key :: term(),
+ Value :: term(),
+ Map1 :: map(),
+ Map2 :: map().
+
+put(_,_,_) -> erlang:nif_error(undef).
+
+
+%% Shadowed by erl_bif_types: maps:put/3
+-spec remove(Key,Map1) -> Map2 when
+ Key :: term(),
+ Map1 :: map(),
+ Map2 :: map().
+
+remove(_,_) -> erlang:nif_error(undef).
+
+
+%% Shadowed by erl_bif_types: maps:to_list/1
+-spec to_list(Map) -> [{Key,Value}] when
+ Map :: map(),
+ Key :: term(),
+ Value :: term().
+
+to_list(_) -> erlang:nif_error(undef).
+
+
+%% Shadowed by erl_bif_types: maps:update/3
+-spec update(Key,Value,Map1) -> Map2 when
+ Key :: term(),
+ Value :: term(),
+ Map1 :: map(),
+ Map2 :: map().
+
+update(_,_,_) -> erlang:nif_error(undef).
+
+
+%% Shadowed by erl_bif_types: maps:values/1
+-spec values(Map) -> Keys when
+ Map :: map(),
+ Keys :: [Key],
+ Key :: term().
+
+values(_) -> erlang:nif_error(undef).
+
+
+%%% End of BIFs
+
+-spec fold(Fun,Init,Map) -> Acc when
+ Fun :: fun((K, V, AccIn) -> AccOut),
+ Init :: term(),
+ Acc :: term(),
+ AccIn :: term(),
+ AccOut :: term(),
+ Map :: map(),
+ K :: term(),
+ V :: term().
+
+fold(Fun, Init, Map) when is_function(Fun,3), is_map(Map) ->
+ lists:foldl(fun({K,V},A) -> Fun(K,V,A) end,Init,maps:to_list(Map)).
+
+-spec map(Fun,Map1) -> Map2 when
+ Fun :: fun((K, V1) -> V2),
+ Map1 :: map(),
+ Map2 :: map(),
+ K :: term(),
+ V1 :: term(),
+ V2 :: term().
+
+map(Fun, Map) when is_function(Fun, 2), is_map(Map) ->
+ maps:from_list(lists:map(fun
+ ({K,V}) ->
+ {K,Fun(K,V)}
+ end,maps:to_list(Map))).
+
+
+-spec size(Map) -> non_neg_integer() when
+ Map :: map().
+
+size(Map) when is_map(Map) ->
+ erlang:map_size(Map).
+
+
+-spec without(Ks,Map1) -> Map2 when
+ Ks :: [K],
+ Map1 :: map(),
+ Map2 :: map(),
+ K :: term().
+
+without(Ks, M) when is_list(Ks), is_map(M) ->
+ maps:from_list([{K,V}||{K,V} <- maps:to_list(M), not lists:member(K, Ks)]).
diff --git a/lib/stdlib/src/ms_transform.erl b/lib/stdlib/src/ms_transform.erl
index 25b04fe45e..27dfcf52e1 100644
--- a/lib/stdlib/src/ms_transform.erl
+++ b/lib/stdlib/src/ms_transform.erl
@@ -910,6 +910,7 @@ bool_test(is_pid,1) -> true;
bool_test(is_port,1) -> true;
bool_test(is_reference,1) -> true;
bool_test(is_tuple,1) -> true;
+bool_test(is_map,1) -> true;
bool_test(is_binary,1) -> true;
bool_test(is_function,1) -> true;
bool_test(is_record,2) -> true;
@@ -924,6 +925,7 @@ real_guard_function(node,0) -> true;
real_guard_function(node,1) -> true;
real_guard_function(round,1) -> true;
real_guard_function(size,1) -> true;
+real_guard_function(map_size,1) -> true;
real_guard_function(tl,1) -> true;
real_guard_function(trunc,1) -> true;
real_guard_function(self,0) -> true;
diff --git a/lib/stdlib/src/stdlib.app.src b/lib/stdlib/src/stdlib.app.src
index a30685e830..a64b8e13c0 100644
--- a/lib/stdlib/src/stdlib.app.src
+++ b/lib/stdlib/src/stdlib.app.src
@@ -71,6 +71,7 @@
lib,
lists,
log_mf_h,
+ maps,
math,
ms_transform,
orddict,
diff --git a/lib/stdlib/test/erl_scan_SUITE.erl b/lib/stdlib/test/erl_scan_SUITE.erl
index e628f7248d..447e159cd4 100644
--- a/lib/stdlib/test/erl_scan_SUITE.erl
+++ b/lib/stdlib/test/erl_scan_SUITE.erl
@@ -224,8 +224,8 @@ atoms() ->
punctuations() ->
L = ["<<", "<-", "<=", "<", ">>", ">=", ">", "->", "--",
- "-", "++", "+", "=:=", "=/=", "=<", "==", "=", "/=",
- "/", "||", "|", ":-", "::", ":"],
+ "-", "++", "+", "=:=", "=/=", "=<", "=>", "==", "=", "/=",
+ "/", "||", "|", ":=", ":-", "::", ":"],
%% One token at a time:
[begin
W = list_to_atom(S),
diff --git a/lib/syntax_tools/src/erl_syntax.erl b/lib/syntax_tools/src/erl_syntax.erl
index 4f7f9e83ac..78a37445ed 100644
--- a/lib/syntax_tools/src/erl_syntax.erl
+++ b/lib/syntax_tools/src/erl_syntax.erl
@@ -582,6 +582,9 @@ type(Node) ->
{match, _, _, _} -> match_expr;
{op, _, _, _, _} -> infix_expr;
{op, _, _, _} -> prefix_expr;
+ {map,_,_} -> map;
+ {map_field_assoc,_,_,_} -> map_field_assoc;
+ {map_field_exact,_,_,_} -> map_field_exact;
{record, _, _, _, _} -> record_expr;
{record, _, _, _} -> record_expr;
{record_field, _, _, _, _} -> record_access;
@@ -1910,6 +1913,28 @@ atom_literal(Node) ->
%% =====================================================================
+
+map_elements(Node) ->
+ case unwrap(Node) of
+ {map, _, List} ->
+ List;
+ Node1 ->
+ data(Node1)
+ end.
+
+map_field_elements({_,_,K,V}) ->
+ [K,V].
+
+map(List) ->
+ tree(map, List).
+
+map_field_assoc(List) ->
+ tree(map_field_assoc, List).
+
+map_field_exact(List) ->
+ tree(map_field_exact, List).
+
+%% =====================================================================
%% @doc Creates an abstract tuple. If `Elements' is
%% `[X1, ..., Xn]', the result represents
%% "<code>{<em>X1</em>, ..., <em>Xn</em>}</code>".
@@ -6396,6 +6421,12 @@ subtrees(T) ->
try_expr_clauses(T),
try_expr_handlers(T),
try_expr_after(T)];
+ map ->
+ [map_elements(T)];
+ map_field_assoc ->
+ [map_field_elements(T)];
+ map_field_exact ->
+ [map_field_elements(T)];
tuple ->
[tuple_elements(T)]
end
@@ -6491,7 +6522,10 @@ make_tree(record_index_expr, [[T], [F]]) ->
make_tree(rule, [[N], C]) -> rule(N, C);
make_tree(size_qualifier, [[N], [A]]) -> size_qualifier(N, A);
make_tree(try_expr, [B, C, H, A]) -> try_expr(B, C, H, A);
-make_tree(tuple, [E]) -> tuple(E).
+make_tree(tuple, [E]) -> tuple(E);
+make_tree(map, [E]) -> map(E);
+make_tree(map_field_assoc, [E]) -> map_field_assoc(E);
+make_tree(map_field_exact, [E]) -> map_field_exact(E).
%% =====================================================================
diff --git a/lib/typer/src/typer.erl b/lib/typer/src/typer.erl
index 0ace1d5fb8..20ae4d6066 100644
--- a/lib/typer/src/typer.erl
+++ b/lib/typer/src/typer.erl
@@ -63,10 +63,10 @@
%% Files in 'fms' are compilable with option 'to_pp'; we keep them
%% as {FileName, ModuleName} in case the ModuleName is different
fms = [] :: [{file:filename(), module()}],
- ex_func = map__new() :: map(),
- record = map__new() :: map(),
- func = map__new() :: map(),
- inc_func = map__new() :: map(),
+ ex_func = map__new() :: map_dict(),
+ record = map__new() :: map_dict(),
+ func = map__new() :: map_dict(),
+ inc_func = map__new() :: map_dict(),
trust_plt = dialyzer_plt:new() :: plt()}).
-type analysis() :: #analysis{}.
@@ -220,11 +220,11 @@ get_external(Exts, Plt) ->
-type fa() :: {atom(), arity()}.
-type func_info() :: {line(), atom(), arity()}.
--record(info, {records = map__new() :: map(),
+-record(info, {records = map__new() :: map_dict(),
functions = [] :: [func_info()],
- types = map__new() :: map(),
+ types = map__new() :: map_dict(),
edoc = false :: boolean()}).
--record(inc, {map = map__new() :: map(), filter = [] :: files()}).
+-record(inc, {map = map__new() :: map_dict(), filter = [] :: files()}).
-type inc() :: #inc{}.
-spec show_or_annotate(analysis()) -> 'ok'.
@@ -1094,29 +1094,29 @@ rcv_ext_types(Self, ExtTypes) ->
%% specialized for the uses in this module
%%--------------------------------------------------------------------
--type map() :: dict().
+-type map_dict() :: dict().
--spec map__new() -> map().
+-spec map__new() -> map_dict().
map__new() ->
dict:new().
--spec map__insert({term(), term()}, map()) -> map().
+-spec map__insert({term(), term()}, map_dict()) -> map_dict().
map__insert(Object, Map) ->
{Key, Value} = Object,
dict:store(Key, Value, Map).
--spec map__lookup(term(), map()) -> term().
+-spec map__lookup(term(), map_dict()) -> term().
map__lookup(Key, Map) ->
try dict:fetch(Key, Map) catch error:_ -> none end.
--spec map__from_list([{fa(), term()}]) -> map().
+-spec map__from_list([{fa(), term()}]) -> map_dict().
map__from_list(List) ->
dict:from_list(List).
--spec map__remove(term(), map()) -> map().
+-spec map__remove(term(), map_dict()) -> map_dict().
map__remove(Key, Dict) ->
dict:erase(Key, Dict).
--spec map__fold(fun((term(), term(), term()) -> map()), map(), map()) -> map().
+-spec map__fold(fun((term(), term(), term()) -> map_dict()), map_dict(), map_dict()) -> map_dict().
map__fold(Fun, Acc0, Dict) ->
dict:fold(Fun, Acc0, Dict).