diff options
| -rw-r--r-- | lib/stdlib/src/erl_expand_records.erl | 3 | ||||
| -rw-r--r-- | lib/stdlib/src/erl_lint.erl | 41 | ||||
| -rw-r--r-- | lib/stdlib/src/erl_parse.yrl | 19 |
3 files changed, 5 insertions, 58 deletions
diff --git a/lib/stdlib/src/erl_expand_records.erl b/lib/stdlib/src/erl_expand_records.erl index 9c55fa96d1..a38b7639d8 100644 --- a/lib/stdlib/src/erl_expand_records.erl +++ b/lib/stdlib/src/erl_expand_records.erl @@ -345,9 +345,6 @@ expr({'fun',Line,{clauses,Cs0}}, St0) -> {{'fun',Line,{clauses,Cs}},St1}; expr({call,Line,{atom,_,is_record},[A,{atom,_,Name}]}, St) -> record_test(Line, A, Name, St); -expr({'cond',Line,Cs0}, St0) -> - {Cs,St1} = clauses(Cs0, St0), - {{'cond',Line,Cs},St1}; expr({call,Line,{remote,_,{atom,_,erlang},{atom,_,is_record}}, [A,{atom,_,Name}]}, St) -> record_test(Line, A, Name, St); diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl index 22f435aff8..94ad560549 100644 --- a/lib/stdlib/src/erl_lint.erl +++ b/lib/stdlib/src/erl_lint.erl @@ -1940,8 +1940,6 @@ expr({'case',Line,E,Cs}, Vt, St0) -> {Evt,St1} = expr(E, Vt, St0), {Cvt,St2} = icrt_clauses(Cs, {'case',Line}, vtupdate(Evt, Vt), St1), {vtmerge(Evt, Cvt),St2}; -expr({'cond',Line,Cs}, Vt, St) -> - cond_clauses(Cs,{'cond',Line}, Vt, St); expr({'receive',Line,Cs}, Vt, St) -> icrt_clauses(Cs, {'receive',Line}, Vt, St); expr({'receive',Line,Cs,To,ToEs}, Vt, St0) -> @@ -2717,45 +2715,6 @@ icrt_clause({clause,_Line,H,G,B}, Vt0, St0) -> {Bvt,St3} = exprs(B, Vt2, St2), {vtupdate(Bvt, Vt2),St3}. -%% The tests of 'cond' clauses are normal expressions - not guards. -%% Variables bound in a test is visible both in the corresponding body -%% and in the tests and bodies of subsequent clauses: a 'cond' is -%% *equivalent* to nested case-switches on boolean expressions. - -cond_clauses([C], In, Vt, St) -> - last_cond_clause(C, In, Vt, St); -cond_clauses([C | Cs], In, Vt, St) -> - cond_clause(C, Cs, In, Vt, St). - -%% see expr/3 for 'case' -cond_clause({clause,_L,[],[[E]],B}, Cs, In, Vt, St0) -> - {Evt,St1} = expr(E, Vt, St0), - {Cvt, St2} = cond_cases(B, Cs, In, vtupdate(Evt, Vt), St1), - Mvt = vtmerge(Evt, Cvt), - {Mvt,St2}. - -%% see icrt_clauses/4 -cond_cases(B, Cs, In, Vt, St0) -> - %% note that Vt is used for both cases - {Bvt,St1} = exprs(B, Vt, St0), % true case - Vt1 = vtupdate(Bvt, Vt), - {Cvt, St2} = cond_clauses(Cs, In, Vt, St1), % false case - Vt2 = vtupdate(Cvt, Vt), - %% and this also uses Vt - icrt_export([Vt1,Vt2], Vt, In, St2). - -%% last case must call icrt_export/4 with only one vartable -last_cond_clause({clause,_L,[],[[E]],B}, In, Vt, St0) -> - {Evt,St1} = expr(E, Vt, St0), - {Cvt, St2} = last_cond_case(B, In, vtupdate(Evt, Vt), St1), - Mvt = vtmerge(Evt, Cvt), - {Mvt,St2}. - -last_cond_case(B, In, Vt, St0) -> - {Bvt,St1} = exprs(B, Vt, St0), - Vt1 = vtupdate(Bvt, Vt), - icrt_export([Vt1], Vt, In, St1). - icrt_export(Csvt, Vt, In, St) -> Vt1 = vtmerge(Csvt), All = ordsets:subtract(vintersection(Csvt), vtnames(Vt)), diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl index fd5d905797..435464227f 100644 --- a/lib/stdlib/src/erl_parse.yrl +++ b/lib/stdlib/src/erl_parse.yrl @@ -1,20 +1,20 @@ %% -*- erlang -*- %% %% %CopyrightBegin% -%% -%% Copyright Ericsson AB 1996-2009. All Rights Reserved. -%% +%% +%% Copyright Ericsson AB 1996-2010. 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% %% @@ -57,7 +57,6 @@ char integer float atom string var '(' ')' ',' '->' ':-' '{' '}' '[' ']' '|' '||' '<-' ';' ':' '#' '.' 'after' 'begin' 'case' 'try' 'catch' 'end' 'fun' 'if' 'of' 'receive' 'when' 'andalso' 'orelse' 'query' 'spec' -%% 'cond' 'bnot' 'not' '*' '/' 'div' 'rem' 'band' 'and' '+' '-' 'bor' 'bxor' 'bsl' 'bsr' 'or' 'xor' @@ -422,14 +421,6 @@ try_clause -> var ':' expr clause_guard clause_body : L = ?line('$1'), {clause,L,[{tuple,L,['$1','$3',{var,L,'_'}]}],'$4','$5'}. -%%cond_expr -> 'cond' cond_clauses 'end' : {'cond',?line('$1'),'$2'}. - -%%cond_clauses -> cond_clause : ['$1']. -%%cond_clauses -> cond_clause ';' cond_clauses : ['$1' | '$3']. - -%%cond_clause -> expr clause_body : -%% {clause,?line('$1'),[],[['$1']],'$2'}. - query_expr -> 'query' list_comprehension 'end' : {'query',?line('$1'),'$2'}. |