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Hack to cope with input case (/|/, /x|/, etc.) not handled by recent rewrite (223535, r=timeless, sr=shaver, a=asa).

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brendan%mozilla.org 2003-10-24 22:23:36 +00:00
parent 15295068d8
commit 94f8c13c56
1 changed files with 13 additions and 2 deletions
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15
js/src/jsregexp.c
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@ -436,7 +436,7 @@ parseRegExp(CompilerState *state)
/* Watch out for empty regexp */
if (state->cp == state->cpend) {
state->result = NewRENode(state, REOP_EMPTY);
return JS_TRUE;
return (state->result != NULL);
}
operatorStack = (REOpData *)JS_malloc(state->context,
@ -451,7 +451,18 @@ parseRegExp(CompilerState *state)
while (JS_TRUE) {
if (state->cp != state->cpend) {
if (state->cp == state->cpend) {
/*
* If we are at the end of the regexp and we're short an operand,
* the regexp must have the form /x|/ or some such.
*/
if (operatorSP == operandSP) {
operand = NewRENode(state, REOP_EMPTY);
if (!operand)
goto out;
goto pushOperand;
}
} else {
switch (*state->cp) {
/* balance '(' */
case '(': /* balance ')' */