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author | Anthony Ramine <[email protected]> | 2014-02-04 17:08:29 +0100 |
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committer | Anthony Ramine <[email protected]> | 2014-02-04 17:09:53 +0100 |
commit | 53f50cb3729c47f337186c9d7201a62450505a3c (patch) | |
tree | 364a31e1613bc97a87ffc910451be8ad54ee2422 /lib | |
parent | 8d71ab498974b5f0623eac50c4f94f62fc229a94 (diff) | |
download | otp-53f50cb3729c47f337186c9d7201a62450505a3c.tar.gz otp-53f50cb3729c47f337186c9d7201a62450505a3c.tar.bz2 otp-53f50cb3729c47f337186c9d7201a62450505a3c.zip |
Fix expansion of records in maps
Records were not properly expanded in keys in patterns and in arguments in
map updates.
Diffstat (limited to 'lib')
-rw-r--r-- | lib/stdlib/src/erl_expand_records.erl | 14 | ||||
-rw-r--r-- | lib/stdlib/test/erl_expand_records_SUITE.erl | 21 |
2 files changed, 26 insertions, 9 deletions
diff --git a/lib/stdlib/src/erl_expand_records.erl b/lib/stdlib/src/erl_expand_records.erl index 4741bef6b9..f53c6e1278 100644 --- a/lib/stdlib/src/erl_expand_records.erl +++ b/lib/stdlib/src/erl_expand_records.erl @@ -135,9 +135,10 @@ pattern({tuple,Line,Ps}, St0) -> 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({map_field_exact,Line,Key0,V0}, St0) -> + {Key,St1} = pattern(Key0, St0), + {V,St2} = pattern(V0, St1), + {{map_field_exact,Line,Key,V},St2}; %%pattern({struct,Line,Tag,Ps}, St0) -> %% {TPs,TPsvs,St1} = pattern_list(Ps, St0), %% {{struct,Line,Tag,TPs},TPsvs,St1}; @@ -310,9 +311,10 @@ expr({tuple,Line,Es0}, St0) -> 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,Line,Arg0,Es0}, St0) -> + {Arg1,St1} = expr(Arg0, St0), + {Es1,St2} = expr_list(Es0, St1), + {{map,Line,Arg1,Es1},St2}; expr({map_field_assoc,Line,K0,V0}, St0) -> {K,St1} = expr(K0, St0), {V,St2} = expr(V0, St1), diff --git a/lib/stdlib/test/erl_expand_records_SUITE.erl b/lib/stdlib/test/erl_expand_records_SUITE.erl index 94b4397a9c..43e679f7ed 100644 --- a/lib/stdlib/test/erl_expand_records_SUITE.erl +++ b/lib/stdlib/test/erl_expand_records_SUITE.erl @@ -38,7 +38,7 @@ -export([attributes/1, expr/1, guard/1, init/1, pattern/1, strict/1, update/1, otp_5915/1, otp_7931/1, otp_5990/1, - otp_7078/1, otp_7101/1]). + otp_7078/1, otp_7101/1, maps/1]). % Default timetrap timeout (set in init_per_testcase). -define(default_timeout, ?t:minutes(1)). @@ -56,7 +56,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> [attributes, expr, guard, init, - pattern, strict, update, {group, tickets}]. + pattern, strict, update, maps, {group, tickets}]. groups() -> [{tickets, [], @@ -402,7 +402,22 @@ update(Config) when is_list(Config) -> ], ?line run(Config, Ts), ok. - + +maps(Config) when is_list(Config) -> + Ts = [<<"-record(rr, {a,b,c}). + t() -> + R0 = id(#rr{a=1,b=2,c=3}), + R1 = id(#rr{a=4,b=5,c=6}), + [{R0,R1}] = + maps:to_list(#{#rr{a=1,b=2,c=3} => #rr{a=4,b=5,c=6}}), + #{#rr{a=1,b=2,c=3} := #rr{a=1,b=2,c=3}} = + #{#rr{a=1,b=2,c=3} => R1}#{#rr{a=1,b=2,c=3} := R0}, + ok. + + id(X) -> X. + ">>], + run(Config, Ts, [strict_record_tests]), + ok. otp_5915(doc) -> "Strict record tests in guards."; |