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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-05-06 14:29:07 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-05-06 14:29:07 +0000 |
commit | b5cae3820b48d2208131ecc7ca442de6ad528e4c (patch) | |
tree | 5a1ccb3d3b98f3b75df16729ac82a12283725b16 /parse.y | |
parent | d750b62d66d812c3c946ce74be60e5b2c890d474 (diff) | |
download | ruby-b5cae3820b48d2208131ecc7ca442de6ad528e4c.tar.gz |
parse.y: no duplicated names
* parse.y (new_bv_gen): no duplicated names, if already added in
shadowing_lvar().
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45846 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'parse.y')
-rw-r--r-- | parse.y | 16 |
1 files changed, 12 insertions, 4 deletions
@@ -8761,10 +8761,10 @@ is_private_local_id(ID name) #define LVAR_USED ((ID)1 << (sizeof(ID) * CHAR_BIT - 1)) -static ID -shadowing_lvar_gen(struct parser_params *parser, ID name) +static int +shadowing_lvar_0(struct parser_params *parser, ID name) { - if (is_private_local_id(name)) return name; + if (is_private_local_id(name)) return 1; if (dyna_in_block()) { if (dvar_curr(name)) { yyerror("duplicated argument name"); @@ -8775,6 +8775,7 @@ shadowing_lvar_gen(struct parser_params *parser, ID name) if (lvtbl->used) { vtable_add(lvtbl->used, (ID)ruby_sourceline | LVAR_USED); } + return 0; } } else { @@ -8782,6 +8783,13 @@ shadowing_lvar_gen(struct parser_params *parser, ID name) yyerror("duplicated argument name"); } } + return 1; +} + +static ID +shadowing_lvar_gen(struct parser_params *parser, ID name) +{ + shadowing_lvar_0(parser, name); return name; } @@ -8794,7 +8802,7 @@ new_bv_gen(struct parser_params *parser, ID name) rb_id2name(name)); return; } - shadowing_lvar(name); + if (!shadowing_lvar_0(parser, name)) return; dyna_var(name); } |