corysanin/tubestation
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Backed out changeset 919950c7f0f0

Browse Source
This commit is contained in:
Robert Sayre
2010-05-11 11:52:17 -04:00
parent 5e815d0745
commit 792f019eb8
19 changed files with 657 additions and 638 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
js/src/jsiter.cpp
View File

@@ -812,7 +812,9 @@ js_NewGenerator(JSContext *cx)
/* Use slots to carve space out of gen->slots. */
slots = gen->slots;
gen->arena.munge(NULL, jsuword(slots), jsuword(slots + nslots), jsuword(slots + nslots));
gen->arena.next = NULL;
gen->arena.base = (jsuword) slots;
gen->arena.limit = gen->arena.avail = (jsuword) (slots + nslots);
/* Copy rval, argv and vars. */
gen->frame.rval = fp->rval;
@@ -863,6 +865,7 @@ SendToGenerator(JSContext *cx, JSGeneratorOp op, JSObject *obj,
JSGenerator *gen, jsval arg)
{
JSStackFrame *fp;
JSArena *arena;
JSBool ok;
if (gen->state == JSGEN_RUNNING || gen->state == JSGEN_CLOSING) {
@@ -898,16 +901,27 @@ SendToGenerator(JSContext *cx, JSGeneratorOp op, JSObject *obj,
break;
}
{
JSArenaPool::ScopedExtension stackExtension(&cx->stackPool, &gen->arena);
/* Push gen->frame around the interpreter activation. */
fp = js_GetTopStackFrame(cx);
cx->fp = &gen->frame;
gen->frame.down = fp;
ok = js_Interpret(cx);
cx->fp = fp;
gen->frame.down = NULL;
}
/* Extend the current stack pool with gen->arena. */
arena = cx->stackPool.current;
JS_ASSERT(!arena->next);
JS_ASSERT(!gen->arena.next);
JS_ASSERT(cx->stackPool.current != &gen->arena);
cx->stackPool.current = arena->next = &gen->arena;
/* Push gen->frame around the interpreter activation. */
fp = js_GetTopStackFrame(cx);
cx->fp = &gen->frame;
gen->frame.down = fp;
ok = js_Interpret(cx);
cx->fp = fp;
gen->frame.down = NULL;
/* Retract the stack pool and sanitize gen->arena. */
JS_ASSERT(!gen->arena.next);
JS_ASSERT(arena->next == &gen->arena);
JS_ASSERT(cx->stackPool.current == &gen->arena);
cx->stackPool.current = arena;
arena->next = NULL;
if (gen->frame.flags & JSFRAME_YIELDING) {
/* Yield cannot fail, throw or be called on closing. */