diff options
| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-11-02 11:07:13 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-11-02 11:07:13 +0000 |
| commit | dbf73f6fc2a4b0414110eea64a9f98d33c2cf930 (patch) | |
| tree | 606aca9469e74b35385f3f53d6dbdadff28f5bde /parse.y | |
| parent | 840e6b63077347be513037f083056886eaf90732 (diff) | |
parse.y: lbracket
* parse.y (lbracket): support .? before aref. [Feature #11537]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52422 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'parse.y')
| -rw-r--r-- | parse.y | 33 |
1 files changed, 25 insertions, 8 deletions
@@ -373,6 +373,9 @@ static int parser_yyerror(struct parser_params*, const char*); #define NODE_CALL_Q(q) (((q) == tDOTQ) ? NODE_QCALL : NODE_CALL) #define NEW_QCALL(q,r,m,a) NEW_NODE(NODE_CALL_Q(q),r,m,a) +#define NO_QCALL(q, here) \ + ((q) != tDOTQ ? (void)0 : \ + yyerror(".? in "here" is not supported yet")) static int yylex(YYSTYPE*, struct parser_params*); @@ -847,7 +850,7 @@ static void token_info_pop(struct parser_params*, const char *token, size_t len) %type <node> mlhs mlhs_head mlhs_basic mlhs_item mlhs_node mlhs_post mlhs_inner %type <id> fsym keyword_variable user_variable sym symbol operation operation2 operation3 %type <id> cname fname op f_rest_arg f_block_arg opt_f_block_arg f_norm_arg f_bad_arg -%type <id> f_kwrest f_label f_arg_asgn call_op call_op2 +%type <id> f_kwrest f_label f_arg_asgn call_op call_op2 lbracket /*%%%*/ /*% %type <val> program reswords then do dot_or_colon @@ -1243,11 +1246,15 @@ stmt : keyword_alias fitem {lex_state = EXPR_FNAME;} fitem value_expr($3); $$ = new_op_assign($1, $2, $3); } - | primary_value '[' opt_call_args rbracket tOP_ASGN command_call + | primary_value lbracket opt_call_args rbracket tOP_ASGN command_call { /*%%%*/ NODE *args; + /*% + %*/ + NO_QCALL($2, "lhs of op_asgn"); + /*%%%*/ value_expr($6); if (!$3) $3 = NEW_ZARRAY(); args = arg_concat($3, $6); @@ -1709,8 +1716,9 @@ mlhs_node : user_variable { $$ = assignable($1, 0); } - | primary_value '[' opt_call_args rbracket + | primary_value lbracket opt_call_args rbracket { + NO_QCALL($2, "mlhs"); /*%%%*/ $$ = aryset($1, $3); /*% @@ -1800,8 +1808,9 @@ lhs : user_variable $$ = dispatch1(var_field, $$); %*/ } - | primary_value '[' opt_call_args rbracket + | primary_value lbracket opt_call_args rbracket { + NO_QCALL($2, "lhs"); /*%%%*/ $$ = aryset($1, $3); /*% @@ -2042,11 +2051,15 @@ arg : lhs '=' arg %*/ $$ = new_op_assign($1, $2, $3); } - | primary_value '[' opt_call_args rbracket tOP_ASGN arg + | primary_value lbracket opt_call_args rbracket tOP_ASGN arg { /*%%%*/ NODE *args; + /*% + %*/ + NO_QCALL($2, "lhs of op_asgn"); + /*%%%*/ value_expr($6); if (!$3) $3 = NEW_ZARRAY(); if (nd_type($3) == NODE_BLOCK_PASS) { @@ -3741,13 +3754,13 @@ method_call : fcall paren_args $$ = dispatch0(zsuper); %*/ } - | primary_value '[' opt_call_args rbracket + | primary_value lbracket opt_call_args rbracket { /*%%%*/ - if ($1 && nd_type($1) == NODE_SELF) + if ($2 != tDOTQ && $1 && nd_type($1) == NODE_SELF) $$ = NEW_FCALL(tAREF, $3); else - $$ = NEW_CALL($1, tAREF, $3); + $$ = NEW_QCALL($2, $1, tAREF, $3); fixpos($$, $1); /*% $$ = dispatch2(aref, $1, escape_Qundef($3)); @@ -5158,6 +5171,10 @@ opt_nl : /* none */ rparen : opt_nl ')' ; +lbracket : '[' {$$ = 0;} + | tDOTQ '[' {$$ = tDOTQ;} + ; + rbracket : opt_nl ']' ; |