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* parse.y (value_expr_gen): warn for empty expression ().

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[ruby-dev:31252]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12840 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2007-07-23 09:13:44 +00:00
parent 3c5510565b
commit 46eb6e9428
3 changed files with 16 additions and 6 deletions
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5
ChangeLog
View file

@ -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.

11
parse.y
View file

@ -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:

6
version.h
View file

@ -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[];