* parse.y (make_array): turn NULL node into zero length array.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60893 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-11-24 04:26:29 +00:00
Родитель eb13bcec58
Коммит f418f9b4ce
1 изменённых файлов: 8 добавлений и 12 удалений

20
parse.y
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@ -549,6 +549,7 @@ static NODE *new_undef_gen(struct parser_params *parser, NODE *i, const YYLTYPE
static NODE *new_zarray_gen(struct parser_params *parser, const YYLTYPE *location);
#define new_zarray(location) new_zarray_gen(parser, location)
#define make_array(ary, location) ((ary) ? (ary) : new_zarray(location))
static NODE *new_ivar_gen(struct parser_params *parser, ID id, const YYLTYPE *location);
#define new_ivar(id, location) new_ivar_gen(parser,id,location)
@ -1508,7 +1509,7 @@ command_asgn : lhs '=' command_rhs
NODE *args;
value_expr($6);
if (!$3) $3 = new_zarray(&@$);
$3 = make_array($3, &@$);
args = arg_concat($3, $6, &@$);
if ($5 == tOROP) {
$5 = 0;
@ -2158,7 +2159,7 @@ arg : lhs '=' arg_rhs
NODE *args;
value_expr($6);
if (!$3) $3 = new_zarray(&@$);
$3 = make_array($3, &@$);
if (nd_type($3) == NODE_BLOCK_PASS) {
args = NEW_ARGSCAT($3, $6);
args->nd_loc = @$;
@ -2724,12 +2725,7 @@ primary : literal
| tLBRACK aref_args ']'
{
/*%%%*/
if ($2 == 0) {
$$ = new_zarray(&@$); /* zero length array*/
}
else {
$$ = $2;
}
$$ = make_array($2, &@$);
/*%
$$ = dispatch1(array, escape_Qundef($2));
%*/
@ -3955,7 +3951,7 @@ regexp : tREGEXP_BEG regexp_contents tREGEXP_END
words : tWORDS_BEG ' ' word_list tSTRING_END
{
/*%%%*/
$$ = $3 ? $3 : new_zarray(&@$);
$$ = make_array($3, &@$);
/*%
$$ = dispatch1(array, $3);
%*/
@ -4001,7 +3997,7 @@ word : string_content
symbols : tSYMBOLS_BEG ' ' symbol_list tSTRING_END
{
/*%%%*/
$$ = $3 ? $3 : new_zarray(&@$);
$$ = make_array($3, &@$);
/*%
$$ = dispatch1(array, $3);
%*/
@ -4037,7 +4033,7 @@ symbol_list : /* none */
qwords : tQWORDS_BEG ' ' qword_list tSTRING_END
{
/*%%%*/
$$ = $3 ? $3 : new_zarray(&@$);
$$ = make_array($3, &@$);
/*%
$$ = dispatch1(array, $3);
%*/
@ -4047,7 +4043,7 @@ qwords : tQWORDS_BEG ' ' qword_list tSTRING_END
qsymbols : tQSYMBOLS_BEG ' ' qsym_list tSTRING_END
{
/*%%%*/
$$ = $3 ? $3 : new_zarray(&@$);
$$ = make_array($3, &@$);
/*%
$$ = dispatch1(array, $3);
%*/