LiveEdit maybe disabled when we enter the break and again when we
leave it, but enabled in between.
TEST=https://codereview.chromium.org/
329533002
R=ulan@chromium.org
Review URL: https://codereview.chromium.org/
325183003
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21770
ce2b1a6d-e550-0410-aec6-
3dcde31c8c00
HandleScope scope(isolate_);
ASSERT(args.length() == 0);
- if (live_edit_enabled()) {
- thread_local_.frame_drop_mode_ = LiveEdit::FRAMES_UNTOUCHED;
- }
+ // Initialize LiveEdit.
+ LiveEdit::InitializeThreadLocal(this);
// Just continue if breaks are disabled or debugger cannot be loaded.
if (break_disabled_) return;
void Debug::SetAfterBreakTarget(JavaScriptFrame* frame) {
- if (live_edit_enabled()) {
- after_break_target_ =
- LiveEdit::AfterBreakTarget(thread_local_.frame_drop_mode_, isolate_);
- if (after_break_target_ != NULL) return; // LiveEdit did the job.
- }
+ after_break_target_ = NULL;
+
+ if (LiveEdit::SetAfterBreakTarget(this)) return; // LiveEdit did the job.
HandleScope scope(isolate_);
PrepareForBreakPoints();
friend class Isolate;
friend class DebugScope;
friend class DisableBreak;
+ friend class LiveEdit;
friend class SuppressDebug;
friend Handle<FixedArray> GetDebuggedFunctions(); // In test-debug.cc
};
-Address LiveEdit::AfterBreakTarget(FrameDropMode mode, Isolate* isolate) {
+void LiveEdit::InitializeThreadLocal(Debug* debug) {
+ debug->thread_local_.frame_drop_mode_ = LiveEdit::FRAMES_UNTOUCHED;
+}
+
+
+bool LiveEdit::SetAfterBreakTarget(Debug* debug) {
Code* code = NULL;
- switch (mode) {
+ Isolate* isolate = debug->isolate_;
+ switch (debug->thread_local_.frame_drop_mode_) {
case FRAMES_UNTOUCHED:
- break;
+ return false;
case FRAME_DROPPED_IN_IC_CALL:
// We must have been calling IC stub. Do not go there anymore.
code = isolate->builtins()->builtin(Builtins::kPlainReturn_LiveEdit);
break;
case FRAME_DROPPED_IN_DIRECT_CALL:
// Nothing to do, after_break_target is not used here.
- break;
+ return true;
case FRAME_DROPPED_IN_RETURN_CALL:
code = isolate->builtins()->builtin(Builtins::kFrameDropper_LiveEdit);
break;
UNREACHABLE();
break;
}
- if (code == NULL) return NULL;
- return code->entry();
+ debug->after_break_target_ = code->entry();
+ return true;
}
CURRENTLY_SET_MODE
};
- static Address AfterBreakTarget(FrameDropMode mode, Isolate* isolate);
+ static void InitializeThreadLocal(Debug* debug);
+
+ static bool SetAfterBreakTarget(Debug* debug);
MUST_USE_RESULT static MaybeHandle<JSArray> GatherCompileInfo(
Handle<Script> script,