diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | parse.y | 11 | ||||
| -rw-r--r-- | version.h | 6 |
3 files changed, 16 insertions, 6 deletions
@@ -125,6 +125,11 @@ Fri Jul 20 09:50:40 2007 Nobuyoshi Nakada <nobu@ruby-lang.org> * bootstraptest/runner.rb (cleanup_coredump, check_coredump): see stackdump file too. +Thu Jul 19 20:39:30 2007 Yukihiro Matsumoto <matz@ruby-lang.org> + + * parse.y (value_expr_gen): warn for empty expression (). + [ruby-dev:31252] + Thu Jul 19 19:24:14 2007 Nobuyoshi Nakada <nobu@ruby-lang.org> * eval_error.ci (get_backtrace): check the result more. @@ -1158,6 +1158,7 @@ expr_value : expr /*%%%*/ value_expr($1); $$ = $1; + if (!$$) $$ = NEW_NIL(); /*% $$ = $1; %*/ @@ -1772,7 +1773,6 @@ arg : lhs '=' arg | var_lhs tOP_ASGN arg { /*%%%*/ - value_expr($3); if ($1) { ID vid = $1->nd_vid; if ($2 == tOROP) { @@ -2206,6 +2206,7 @@ arg_value : arg /*%%%*/ value_expr($1); $$ = $1; + if (!$$) $$ = NEW_NIL(); /*% $$ = $1; %*/ @@ -2929,6 +2930,7 @@ primary_value : primary /*%%%*/ value_expr($1); $$ = $1; + if (!$$) $$ = NEW_NIL(); /*% $$ = $1; %*/ @@ -4299,8 +4301,9 @@ opt_f_block_arg : ',' f_block_arg singleton : var_ref { /*%%%*/ - $$ = $1; value_expr($1); + $$ = $1; + if (!$$) $$ = NEW_NIL(); /*% $$ = $1; %*/ @@ -7228,7 +7231,6 @@ gettable_gen(struct parser_params *parser, ID id) static NODE* assignable_gen(struct parser_params *parser, ID id, NODE *val) { - value_expr(val); if (id == keyword_self) { yyerror("Can't change the value of self"); } @@ -7447,6 +7449,9 @@ value_expr_gen(struct parser_params *parser, NODE *node) { int cond = 0; + if (!node) { + rb_warning0("empty expression"); + } while (node) { switch (nd_type(node)) { case NODE_DEFN: @@ -1,7 +1,7 @@ #define RUBY_VERSION "1.9.0" -#define RUBY_RELEASE_DATE "2007-07-22" +#define RUBY_RELEASE_DATE "2007-07-23" #define RUBY_VERSION_CODE 190 -#define RUBY_RELEASE_CODE 20070722 +#define RUBY_RELEASE_CODE 20070723 #define RUBY_PATCHLEVEL 0 #define RUBY_VERSION_MAJOR 1 @@ -9,7 +9,7 @@ #define RUBY_VERSION_TEENY 0 #define RUBY_RELEASE_YEAR 2007 #define RUBY_RELEASE_MONTH 7 -#define RUBY_RELEASE_DAY 22 +#define RUBY_RELEASE_DAY 23 #ifdef RUBY_EXTERN RUBY_EXTERN const char ruby_version[]; |