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parse.y: ambiguous parentheses

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* parse.y (parser_yylex): warn ambiguous parentheses after a space
  in method definitions.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56927 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-11-29 10:47:43 +00:00
parent dacf977a42
commit 65e27c8b13
3 changed files with 12 additions and 8 deletions
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parse.y
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@ -8520,6 +8520,10 @@ parser_yylex(struct parser_params *parser)
else if (IS_SPCARG(-1)) {
c = tLPAREN_ARG;
}
else if (IS_lex_state(EXPR_ENDFN) && space_seen) {
rb_warning0("parentheses after method name is interpreted as");
rb_warning0("an argument list, not a decomposed argument");
}
paren_nest++;
COND_PUSH(0);
CMDARG_PUSH(0);