ref: 380be8129fadeb358e5475cba08005a08ded9c29
parent: 659e55976532f9b390541139b486441f28f56b7e
author: Tor Andersson <[email protected]>
date: Thu Jan 9 20:45:28 EST 2014
Parse labelled statements.
--- a/js-parse.c
+++ b/js-parse.c
@@ -735,7 +735,20 @@
return STM2(SWITCH, a, b);
}
- if (J->lookahead != TK_FUNCTION) {
+ /* LabelledStatement : Identifier ':' Statement */
+ /* ExpressionStatement : Expression ';' */
+ if (J->lookahead == TK_IDENTIFIER) {
+ a = expression(J, 0);
+ if (a->type == AST_IDENTIFIER && accept(J, ':')) {
+ b = statement(J);
+ return STM2(LABEL, a, b);
+ }
+ semicolon(J);
+ return a;
+ }
+
+ /* ExpressionStatement : [lookahead not 'function' or '{'] Expression ';' */
+ if (J->lookahead != TK_FUNCTION && J->lookahead != '{') {
a = expression(J, 0);
semicolon(J);
return a;