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* parse.y (deferred_nodes, compstmt, arg, fixup_nodes, range_op): fix

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up fixnum range literal in conditional as automagical line number
  comparison.  [ruby-core:12124], [ruby-dev:35731]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18356 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2008-08-04 07:48:52 +00:00
parent 76ef6fa16b
commit 8d0fdce468
2 changed files with 49 additions and 14 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
Mon Aug 4 16:48:50 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
* parse.y (deferred_nodes, compstmt, arg, fixup_nodes, range_op): fix
up fixnum range literal in conditional as automagical line number
comparison. [ruby-core:12124], [ruby-dev:35731]
Mon Aug 4 14:41:25 2008 URABE Shyouhei <shyouhei@ruby-lang.org>
* lib/net/smtp.rb (Net::SMTP::rcptto): fix a typo. a patch from

57
parse.y
View file

@ -229,6 +229,7 @@ struct parser_params {
const char *parser_lex_pend;
int parser_heredoc_end;
int parser_command_start;
NODE *parser_deferred_nodes;
int parser_lex_gets_ptr;
VALUE (*parser_lex_gets)(struct parser_params*,VALUE);
struct local_vars *parser_lvtbl;
@ -309,6 +310,7 @@ static int parser_yyerror(struct parser_params*, const char*);
#define lex_pend (parser->parser_lex_pend)
#define heredoc_end (parser->parser_heredoc_end)
#define command_start (parser->parser_command_start)
#define deferred_nodes (parser->parser_deferred_nodes)
#define lex_gets_ptr (parser->parser_lex_gets_ptr)
#define lex_gets (parser->parser_lex_gets)
#define lvtbl (parser->parser_lvtbl)
@ -434,6 +436,8 @@ static int dvar_defined_gen(struct parser_params*,ID);
static int dvar_curr_gen(struct parser_params*,ID);
#define dvar_curr(id) dvar_curr_gen(parser, id)
static void fixup_nodes(NODE **);
extern int rb_dvar_defined(ID);
extern int rb_local_defined(ID);
extern int rb_parse_in_eval(void);
@ -807,6 +811,7 @@ compstmt : stmts opt_terms
{
/*%%%*/
void_stmts($1);
fixup_nodes(&deferred_nodes);
/*%
%*/
$$ = $1;
@ -1969,13 +1974,10 @@ arg : lhs '=' arg
/*%%%*/
value_expr($1);
value_expr($3);
$$ = NEW_DOT2($1, $3);
if (nd_type($1) == NODE_LIT && FIXNUM_P($1->nd_lit) &&
nd_type($3) == NODE_LIT && FIXNUM_P($3->nd_lit)) {
$1->nd_lit = rb_range_new($1->nd_lit, $3->nd_lit, Qfalse);
$$ = $1;
}
else {
$$ = NEW_DOT2($1, $3);
deferred_nodes = list_append(deferred_nodes, $$);
}
/*%
$$ = dispatch2(dot2, $1, $3);
@ -1986,13 +1988,10 @@ arg : lhs '=' arg
/*%%%*/
value_expr($1);
value_expr($3);
$$ = NEW_DOT3($1, $3);
if (nd_type($1) == NODE_LIT && FIXNUM_P($1->nd_lit) &&
nd_type($3) == NODE_LIT && FIXNUM_P($3->nd_lit)) {
$1->nd_lit = rb_range_new($1->nd_lit, $3->nd_lit, Qtrue);
$$ = $1;
}
else {
$$ = NEW_DOT3($1, $3);
deferred_nodes = list_append(deferred_nodes, $$);
}
/*%
$$ = dispatch2(dot3, $1, $3);
@ -4716,6 +4715,7 @@ yycompile0(VALUE arg, int tracing)
}
parser_prepare(parser);
deferred_nodes = 0;
n = yyparse((void*)parser);
ruby_debug_lines = 0;
ruby_coverage = 0;
@ -8173,6 +8173,35 @@ warning_unless_e_option(struct parser_params *parser, NODE *node, const char *st
if (!e_option_supplied(parser)) parser_warning(node, str);
}
static void
fixup_nodes(NODE **rootnode)
{
NODE *node, *next, *head;
for (node = *rootnode; node; node = next) {
enum node_type type;
VALUE val;
next = node->nd_next;
head = node->nd_head;
rb_gc_force_recycle((VALUE)node);
*rootnode = next;
switch (type = nd_type(head)) {
case NODE_DOT2:
case NODE_DOT3:
val = rb_range_new(head->nd_beg->nd_lit, head->nd_end->nd_lit,
type == NODE_DOT3 ? Qtrue : Qfalse);
rb_gc_force_recycle((VALUE)head->nd_beg);
rb_gc_force_recycle((VALUE)head->nd_end);
nd_set_type(head, NODE_LIT);
head->nd_lit = val;
break;
default:
break;
}
}
}
static NODE *cond0(struct parser_params*,NODE*);
static NODE*
@ -8180,17 +8209,15 @@ range_op(struct parser_params *parser, NODE *node)
{
enum node_type type;
if (!e_option_supplied(parser)) return node;
if (node == 0) return 0;
value_expr(node);
node = cond0(parser, node);
type = nd_type(node);
value_expr(node);
if (type == NODE_LIT && FIXNUM_P(node->nd_lit)) {
warn_unless_e_option(parser, node, "integer literal in conditional range");
return NEW_CALL(node, tEQ, NEW_LIST(NEW_GVAR(rb_intern("$."))));
}
return node;
return cond0(parser, node);
}
static int
@ -9296,6 +9323,7 @@ parser_initialize(struct parser_params *parser)
parser->parser_toksiz = 0;
parser->parser_heredoc_end = 0;
parser->parser_command_start = Qtrue;
parser->parser_deferred_nodes = 0;
parser->parser_lex_pbeg = 0;
parser->parser_lex_p = 0;
parser->parser_lex_pend = 0;
@ -9332,6 +9360,7 @@ parser_mark(void *ptr)
struct parser_params *p = (struct parser_params*)ptr;
rb_gc_mark((VALUE)p->parser_lex_strterm);
rb_gc_mark((VALUE)p->parser_deferred_nodes);
rb_gc_mark(p->parser_lex_input);
rb_gc_mark(p->parser_lex_lastline);
rb_gc_mark(p->parser_lex_nextline);