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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-03-25 07:47:37 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-03-25 07:47:37 +0000 |
commit | d7442c32df355ccb3f793a594723acae2a571d0f (patch) | |
tree | 7006ae19d0d1e35e8ebab725e068b31c065d96ed /parse.y | |
parent | 0574b64694010540e0c61f9f1aa67a9de2c8cf59 (diff) | |
download | ruby-d7442c32df355ccb3f793a594723acae2a571d0f.tar.gz |
parse.y: required kwarg without parentheses
* parse.y (lex_state_e, parser_params, f_arglist, parser_yylex):
separate EXPR_LABELARG from EXPR_BEG and let newline significant,
so that required keyword argument can place at the end of
argument list without parentheses. [ruby-core:61658] [Bug #9669]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45405 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'parse.y')
-rw-r--r-- | parse.y | 17 |
1 files changed, 13 insertions, 4 deletions
@@ -74,6 +74,7 @@ enum lex_state_bits { EXPR_DOT_bit, /* right after `.' or `::', no reserved words. */ EXPR_CLASS_bit, /* immediate after `class', no here document. */ EXPR_VALUE_bit, /* alike EXPR_BEG but label is disallowed. */ + EXPR_LABELARG_bit, /* ignore significant, +/- is a sign. */ EXPR_MAX_STATE }; /* examine combinations */ @@ -90,7 +91,8 @@ enum lex_state_e { DEF_EXPR(DOT), DEF_EXPR(CLASS), DEF_EXPR(VALUE), - EXPR_BEG_ANY = (EXPR_BEG | EXPR_VALUE | EXPR_MID | EXPR_CLASS), + DEF_EXPR(LABELARG), + EXPR_BEG_ANY = (EXPR_BEG | EXPR_VALUE | EXPR_MID | EXPR_CLASS | EXPR_LABELARG), EXPR_ARG_ANY = (EXPR_ARG | EXPR_CMDARG), EXPR_END_ANY = (EXPR_END | EXPR_ENDARG | EXPR_ENDFN) }; @@ -244,6 +246,7 @@ struct parser_params { int parser_brace_nest; int parser_compile_for_eval; VALUE parser_cur_mid; + int parser_in_kwarg; int parser_in_defined; char *parser_tokenbuf; int parser_tokidx; @@ -4402,9 +4405,14 @@ f_arglist : '(' f_args rparen lex_state = EXPR_BEG; command_start = TRUE; } - | f_args term + | { + $<num>$ = parser->parser_in_kwarg; + parser->parser_in_kwarg = 1; + } + f_args term { - $$ = $1; + parser->parser_in_kwarg = $<num>1; + $$ = $2; lex_state = EXPR_BEG; command_start = TRUE; } @@ -8147,7 +8155,7 @@ parser_yylex(struct parser_params *parser) if (IS_LABEL_POSSIBLE()) { if (IS_LABEL_SUFFIX(0)) { - lex_state = EXPR_BEG; + lex_state = EXPR_LABELARG; nextc(); set_yylval_name(TOK_INTERN()); return tLABEL; @@ -10861,6 +10869,7 @@ parser_initialize(struct parser_params *parser) parser->parser_in_single = 0; parser->parser_in_def = 0; parser->parser_in_defined = 0; + parser->parser_in_kwarg = 0; parser->parser_compile_for_eval = 0; parser->parser_cur_mid = 0; parser->parser_tokenbuf = NULL; |