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parse.y: warn space

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* parse.y (parser_yylex): warn parentheses after space.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57367 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2017-01-19 01:38:59 +00:00
parent f850b2957d
commit 6dccc53368
1 changed files with 7 additions and 0 deletions
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parse.y
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@ -8536,11 +8536,18 @@ parser_yylex(struct parser_params *parser)
}
else if (IS_SPCARG(-1)) {
c = tLPAREN_ARG;
if (lex_state == EXPR_ARG) {
rb_warning0("parentheses after method name and a space is interpreted as "
"an argument list, not a parenthesed argument");
}
}
else if (IS_lex_state(EXPR_ENDFN) && space_seen && !lambda_beginning_p()) {
rb_warning0("parentheses after method name is interpreted as "
"an argument list, not a decomposed argument");
}
else if (lex_state == (EXPR_END|EXPR_LABEL) && space_seen) {
rb_warning0("don't put space before argument parentheses");
}
paren_nest++;
COND_PUSH(0);
CMDARG_PUSH(0);