diff options
Diffstat (limited to 'lib/compiler')
| -rw-r--r-- | lib/compiler/doc/src/compile.xml | 8 | ||||
| -rw-r--r-- | lib/compiler/src/compile.erl | 48 | ||||
| -rwxr-xr-x | lib/compiler/src/genop.tab | 2 | ||||
| -rw-r--r-- | lib/compiler/test/beam_validator_SUITE.erl | 2 | ||||
| -rw-r--r-- | lib/compiler/test/compile_SUITE.erl | 50 |
5 files changed, 95 insertions, 15 deletions
diff --git a/lib/compiler/doc/src/compile.xml b/lib/compiler/doc/src/compile.xml index fed68037c1..10164890f2 100644 --- a/lib/compiler/doc/src/compile.xml +++ b/lib/compiler/doc/src/compile.xml @@ -629,6 +629,14 @@ module.beam: module.erl \ <p>Turns off warnings for unused record types. Default is to emit warnings for unused locally defined record types.</p> </item> + + <tag><c>nowarn_get_stacktrace</c></tag> + <item> + <p>Turns off warnings for using <c>get_stacktrace/0</c> in a context + where it will probably not work in a future release. For example, + by default there will be a warning if <c>get_stacktrace/0</c> is + used following a <c>catch</c> expression.</p> + </item> </taglist> <p>Another class of warnings is generated by the compiler diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl index b3c8c42af7..c6e61d543e 100644 --- a/lib/compiler/src/compile.erl +++ b/lib/compiler/src/compile.erl @@ -467,8 +467,10 @@ mpf(Ms) -> passes(Type, Opts) -> {Ext,Passes0} = passes_1(Opts), Passes1 = case Type of - file -> Passes0; - forms -> tl(Passes0) + file -> + Passes0; + forms -> + fix_first_pass(Passes0) end, Passes = select_passes(Passes1, Opts), @@ -505,6 +507,22 @@ pass(from_beam) -> {".beam",[?pass(read_beam_file)|binary_passes()]}; pass(_) -> none. +%% For compilation from forms, replace the first pass with a pass +%% that retrieves the module name. The module name is needed for +%% proper diagnostics and for compilation to native code. + +fix_first_pass([{parse_core,_}|Passes]) -> + [?pass(get_module_name_from_core)|Passes]; +fix_first_pass([{beam_consult_asm,_}|Passes]) -> + [?pass(get_module_name_from_asm)|Passes]; +fix_first_pass([{read_beam_file,_}|Passes]) -> + [?pass(get_module_name_from_beam)|Passes]; +fix_first_pass([_|Passes]) -> + %% When compiling from abstract code, the module name + %% will be set after running the v3_core pass. + Passes. + + %% select_passes([Command], Opts) -> [{Name,Function}] %% Interpret the lists of commands to return a pure list of passes. %% @@ -836,6 +854,12 @@ beam_consult_asm(_Code, St) -> {error,St#compile{errors=St#compile.errors ++ Es}} end. +get_module_name_from_asm({Mod,_,_,_,_}=Asm, St) -> + {ok,Asm,St#compile{module=Mod}}; +get_module_name_from_asm(Asm, St) -> + %% Invalid Beam assembly code. Let it crash in a later pass. + {ok,Asm,St}. + read_beam_file(_Code, St) -> case file:read_file(St#compile.ifile) of {ok,Beam} -> @@ -853,6 +877,16 @@ read_beam_file(_Code, St) -> {error,St#compile{errors=St#compile.errors ++ Es}} end. +get_module_name_from_beam(Beam, St) -> + case beam_lib:info(Beam) of + {error,beam_lib,Error} -> + Es = [{"((forms))",[{none,beam_lib,Error}]}], + {error,St#compile{errors=St#compile.errors ++ Es}}; + Info -> + {module,Mod} = keyfind(module, 1, Info), + {ok,Beam,St#compile{module=Mod}} + end. + no_native_compilation(BeamFile, #compile{options=Opts0}) -> case beam_lib:chunks(BeamFile, ["CInf"]) of {ok,{_,[{"CInf",Term0}]}} -> @@ -940,6 +974,16 @@ parse_core(_Code, St) -> {error,St#compile{errors=St#compile.errors ++ Es}} end. +get_module_name_from_core(Core, St) -> + try + Mod = cerl:concrete(cerl:module_name(Core)), + {ok,Core,St#compile{module=Mod}} + catch + _:_ -> + %% Invalid Core Erlang code. Let it crash in a later pass. + {ok,Core,St} + end. + compile_options([{attribute,_L,compile,C}|Fs]) when is_list(C) -> C ++ compile_options(Fs); compile_options([{attribute,_L,compile,C}|Fs]) -> diff --git a/lib/compiler/src/genop.tab b/lib/compiler/src/genop.tab index 5e0c2b3ebf..9efb9ad6f8 100755 --- a/lib/compiler/src/genop.tab +++ b/lib/compiler/src/genop.tab @@ -538,6 +538,8 @@ BEAM_FORMAT_NUMBER=0 157: has_map_fields/3 158: get_map_elements/3 +# OTP 20 + ## @spec is_tagged_tuple Lbl Reg N Atom ## @doc Test the type of Reg and jumps to Lbl if it is not a tuple. ## Test the arity of Reg and jumps to Lbl if it is not N. diff --git a/lib/compiler/test/beam_validator_SUITE.erl b/lib/compiler/test/beam_validator_SUITE.erl index ca85eef688..75bfbf68cc 100644 --- a/lib/compiler/test/beam_validator_SUITE.erl +++ b/lib/compiler/test/beam_validator_SUITE.erl @@ -446,7 +446,7 @@ do_bin_opt(Mod, Asm) -> do_bin_opt(Transform, Mod, Asm0) -> Asm = Transform(Asm0), case compile:forms(Asm, [from_asm,no_postopt,return]) of - {ok,[],Code,_Warnings} when is_binary(Code) -> + {ok,Mod,Code,_Warnings} when is_binary(Code) -> ok; {error,Errors0,_} -> %% beam_validator must return errors, not simply crash, diff --git a/lib/compiler/test/compile_SUITE.erl b/lib/compiler/test/compile_SUITE.erl index f9bcb044ac..4e2753ba5f 100644 --- a/lib/compiler/test/compile_SUITE.erl +++ b/lib/compiler/test/compile_SUITE.erl @@ -32,7 +32,7 @@ binary/1, makedep/1, cond_and_ifdef/1, listings/1, listings_big/1, other_output/1, kernel_listing/1, encrypted_abstr/1, strict_record/1, utf8_atoms/1, utf8_functions/1, extra_chunks/1, - cover/1, env/1, core/1, + cover/1, env/1, core_pp/1, core_roundtrip/1, asm/1, optimized_guards/1, sys_pre_attributes/1, dialyzer/1, warnings/1, pre_load_check/1, env_compiler_options/1, @@ -51,7 +51,7 @@ all() -> binary, makedep, cond_and_ifdef, listings, listings_big, other_output, kernel_listing, encrypted_abstr, strict_record, utf8_atoms, utf8_functions, extra_chunks, - cover, env, core, core_roundtrip, asm, optimized_guards, + cover, env, core_pp, core_roundtrip, asm, optimized_guards, sys_pre_attributes, dialyzer, warnings, pre_load_check, env_compiler_options, custom_debug_info, bc_options]. @@ -163,6 +163,24 @@ forms_2(Config) when is_list(Config) -> ok end, + {ok,simple,Core} = compile:forms(SimpleCode, [to_core0,binary]), + forms_compile_and_load(Core, [from_core]), + forms_compile_and_load(Core, [from_core,native]), + + {ok,simple,Asm} = compile:forms(SimpleCode, [to_asm,binary]), + forms_compile_and_load(Asm, [from_asm]), + forms_compile_and_load(Asm, [from_asm,native]), + + {ok,simple,Beam} = compile:forms(SimpleCode, []), + forms_compile_and_load(Beam, [from_beam]), + forms_compile_and_load(Beam, [from_beam,native]), + + %% Cover the error handling code. + error = compile:forms(bad_core, [from_core,report]), + error = compile:forms(bad_asm, [from_asm,report]), + error = compile:forms(<<"bad_beam">>, [from_beam,report]), + error = compile:forms(<<"bad_beam">>, [from_beam,native,report]), + ok. @@ -180,6 +198,14 @@ forms_load_code(Mod, Src, Bin) -> SourceOption. +forms_compile_and_load(Code, Opts) -> + Mod = simple, + {ok,Mod,Bin} = compile:forms(Code, Opts), + {module,Mod} = code:load_binary(Mod, "ignore", Bin), + _ = Mod:module_info(), + true = code:delete(simple), + false = code:purge(simple), + ok. module_mismatch(Config) when is_list(Config) -> DataDir = proplists:get_value(data_dir, Config), @@ -795,9 +821,9 @@ env_1(Simple, Target) -> %% Test pretty-printing in Core Erlang format and then try to %% compile the generated Core Erlang files. -core(Config) when is_list(Config) -> +core_pp(Config) when is_list(Config) -> PrivDir = proplists:get_value(priv_dir, Config), - Outdir = filename:join(PrivDir, "core"), + Outdir = filename:join(PrivDir, atom_to_list(?FUNCTION_NAME)), ok = file:make_dir(Outdir), TestBeams = get_unique_beam_files(), @@ -805,11 +831,11 @@ core(Config) when is_list(Config) -> {raw_abstract_v1,Abstr}}]}} = beam_lib:chunks(Beam, [abstract_code]), {Mod,Abstr} end || Beam <- TestBeams], - test_lib:p_run(fun(F) -> do_core(F, Outdir) end, Abstr). + test_lib:p_run(fun(F) -> do_core_pp(F, Outdir) end, Abstr). -do_core({M,A}, Outdir) -> +do_core_pp({M,A}, Outdir) -> try - do_core_1(M, A, Outdir) + do_core_pp_1(M, A, Outdir) catch throw:{error,Error} -> io:format("*** compilation failure '~p' for module ~s\n", @@ -821,7 +847,7 @@ do_core({M,A}, Outdir) -> error end. -do_core_1(M, A, Outdir) -> +do_core_pp_1(M, A, Outdir) -> {ok,M,Core0} = compile:forms(A, [to_core]), CoreFile = filename:join(Outdir, atom_to_list(M)++".core"), CorePP = core_pp:format(Core0), @@ -835,7 +861,7 @@ do_core_1(M, A, Outdir) -> ok = file:delete(CoreFile), %% Compile as usual (including optimizations). - compile_forms(Core, [clint,from_core,binary]), + compile_forms(M, Core, [clint,from_core,binary]), %% Don't optimize to test that we are not dependent %% on the Core Erlang optmimization passes. @@ -844,13 +870,13 @@ do_core_1(M, A, Outdir) -> %% records; if sys_core_fold was run it would fix %% that; if sys_core_fold was not run v3_kernel would %% crash.) - compile_forms(Core, [clint,from_core,no_copt,binary]), + compile_forms(M, Core, [clint,from_core,no_copt,binary]), ok. -compile_forms(Forms, Opts) -> +compile_forms(Mod, Forms, Opts) -> case compile:forms(Forms, [report_errors|Opts]) of - {ok,[],_} -> ok; + {ok,Mod,_} -> ok; Other -> throw({error,Other}) end. |