pike.git/ src/ language.yacc

2018-05-21

2018-05-21 12:01:32 by Henrik Grubbström (Grubba) <grubba@grubba.org>

• e9fbb7b54593ee1fd59b24b32cec5acd6fc5c24b (20 lines) (+5/-15) ^{[ Show | Annotate ]}
  Branch: master

Compiler: Added F_TYPEOF nodes.

This lets us delay evaluation of typeof() expressions during
compilation somewhat. This is in preparation for cleaning up
handling of auto in foreach().

1388:    }    | typeof    { -  if ($1) { -  push_finished_type($1->u.sval.u.type); +  if ($1 && CAR($1)) { +  fix_type_field($1); +  push_finished_type(CAR($1)->type);    free_node($1);    } else {    push_finished_type(mixed_type_string);
4260:      typeof: TOK_TYPEOF '(' expr0 ')'    { -  struct pike_type *t; -  node *tmp; -  -  /* FIXME: Why build the node at all? */ -  /* Because the optimizer cannot optimize the root node of the -  * tree properly -Hubbe -  */ -  tmp=mknode(F_COMMA_EXPR, $3, 0); -  optimize_node(tmp); -  -  t=(tmp && CAR(tmp) && CAR(tmp)->type ? CAR(tmp)->type : mixed_type_string); -  $$ = mktypenode(t); -  free_node(tmp); +  $$ = mknode(F_TYPEOF, $3, 0);    }    | TOK_TYPEOF '(' error ')' { $$=0; yyerrok; }    | TOK_TYPEOF '(' error '}' { $$=0; yyerror("Missing ')'."); }