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-rw-r--r--js/src/vm/JSScript.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/vm/JSScript.h b/js/src/vm/JSScript.h
index 4e44d22304..c46ff65d2d 100644
--- a/js/src/vm/JSScript.h
+++ b/js/src/vm/JSScript.h
@@ -2040,6 +2040,23 @@ class JSScript : public js::BaseScript {
return getString(GET_GCTHING_INDEX(pc));
}
+ bool atomizeString(JSContext* cx, jsbytecode* pc) {
+ MOZ_ASSERT(containsPC<js::GCThingIndex>(pc));
+ MOZ_ASSERT(js::JOF_OPTYPE((JSOp)*pc) == JOF_STRING);
+ js::GCThingIndex index = GET_GCTHING_INDEX(pc);
+ JSString* str = getString(index);
+ if (str->isAtom()) {
+ return true;
+ }
+ JSAtom* atom = js::AtomizeString(cx, str);
+ if (!atom) {
+ return false;
+ }
+ js::gc::CellPtrPreWriteBarrier(data_->gcthings()[index]);
+ data_->gcthings()[index] = JS::GCCellPtr(atom);
+ return true;
+ }
+
JSAtom* getAtom(js::GCThingIndex index) const {
return &gcthings()[index].as<JSString>().asAtom();
}