diff options
| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-11-24 04:26:29 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-11-24 04:26:29 +0000 |
| commit | f418f9b4ce467cd8dd08822e460a7177605f13a0 (patch) | |
| tree | 5d689a9c15f7f72bdae0a5c49b318a07815b55bc | |
| parent | eb13bcec58cfd2a65b0d6996af65865f357699ad (diff) | |
| download | ruby-f418f9b4ce467cd8dd08822e460a7177605f13a0.tar.gz | |
parse.y: make_array
* 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
| -rw-r--r-- | parse.y | 20 |
1 files changed, 8 insertions, 12 deletions
@@ -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); %*/ |