Revert of Correctly annotate eval origin.

src/debug/debug.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/debug/debug.h"
 
 #include "src/api.h"
 #include "src/arguments.h"
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
@@ skipping 242 matching lines @@
 
 // Find the break point at the supplied address, or the closest one before
 // the address.
 BreakLocation BreakLocation::FromCodeOffset(Handle<DebugInfo> debug_info,
                                             int offset) {
   base::SmartPointer<Iterator> it(GetIterator(debug_info));
   it->SkipTo(BreakIndexFromCodeOffset(debug_info, offset));
   return it->GetBreakLocation();
 }
 
+FrameSummary GetFirstFrameSummary(JavaScriptFrame* frame) {
+  List<FrameSummary> frames(FLAG_max_inlining_levels + 1);
+  frame->Summarize(&frames);
+  return frames.first();
+}
+
 int CallOffsetFromCodeOffset(int code_offset, bool is_interpreted) {
   // Code offset points to the instruction after the call. Subtract 1 to
   // exclude that instruction from the search. For bytecode, the code offset
   // still points to the call.
   return is_interpreted ? code_offset : code_offset - 1;
 }
 
 BreakLocation BreakLocation::FromFrame(Handle<DebugInfo> debug_info,
                                        JavaScriptFrame* frame) {
-  FrameSummary summary = FrameSummary::GetFirst(frame);
+  FrameSummary summary = GetFirstFrameSummary(frame);
   int call_offset =
       CallOffsetFromCodeOffset(summary.code_offset(), frame->is_interpreted());
   return FromCodeOffset(debug_info, call_offset);
 }
 
 void BreakLocation::AllForStatementPosition(Handle<DebugInfo> debug_info,
                                             int statement_position,
                                             List<BreakLocation>* result_out) {
   for (base::SmartPointer<Iterator> it(GetIterator(debug_info)); !it->Done();
        it->Next()) {
@@ skipping 335 matching lines @@
       if (current_fp < target_fp) return;
       step_break = true;
       break;
     case StepNext:
       // Step next should not break in a deeper frame.
       if (current_fp < target_fp) return;
       // For step-next, a tail call is like a return and should break.
       step_break = location.IsTailCall();
     // Fall through.
     case StepIn: {
-      FrameSummary summary = FrameSummary::GetFirst(frame);
+      FrameSummary summary = GetFirstFrameSummary(frame);
       int offset = summary.code_offset();
       step_break = step_break || location.IsReturn() ||
                    (current_fp != last_fp) ||
                    (thread_local_.last_statement_position_ !=
                     location.abstract_code()->SourceStatementPosition(offset));
       break;
     }
     case StepFrame:
       step_break = current_fp != last_fp;
       break;
@@ skipping 359 matching lines @@
     // Step out: Find the calling JavaScript frame and flood it with
     // breakpoints.
     frames_it.Advance();
     // Fill the function to return to with one-shot break points.
     JSFunction* function = frames_it.frame()->function();
     FloodWithOneShot(Handle<JSFunction>(function));
     return;
   }
 
   // Get the debug info (create it if it does not exist).
-  FrameSummary summary = FrameSummary::GetFirst(frame);
+  FrameSummary summary = GetFirstFrameSummary(frame);
   Handle<JSFunction> function(summary.function());
   Handle<SharedFunctionInfo> shared(function->shared());
   if (!EnsureDebugInfo(shared, function)) {
     // Return if ensuring debug info failed.
     return;
   }
 
   Handle<DebugInfo> debug_info(shared->GetDebugInfo());
   // Refresh frame summary if the code has been recompiled for debugging.
   if (AbstractCode::cast(shared->code()) != *summary.abstract_code()) {
-    summary = FrameSummary::GetFirst(frame);
+    summary = GetFirstFrameSummary(frame);
   }
 
   int call_offset =
       CallOffsetFromCodeOffset(summary.code_offset(), frame->is_interpreted());
   BreakLocation location =
       BreakLocation::FromCodeOffset(debug_info, call_offset);
 
   // Any step at a return is a step-out.
   if (location.IsReturn()) step_action = StepOut;
   // A step-next at a tail call is a step-out.
@@ skipping 561 matching lines @@
   HandleScope scope(isolate_);
 
   // Get the executing function in which the debug break occurred.
   Handle<JSFunction> function(JSFunction::cast(frame->function()));
   Handle<SharedFunctionInfo> shared(function->shared());
 
   // With no debug info there are no break points, so we can't be at a return.
   if (!shared->HasDebugInfo()) return false;
 
   DCHECK(!frame->is_optimized());
-  FrameSummary summary = FrameSummary::GetFirst(frame);
+  FrameSummary summary = GetFirstFrameSummary(frame);
 
   Handle<DebugInfo> debug_info(shared->GetDebugInfo());
   BreakLocation location =
       BreakLocation::FromCodeOffset(debug_info, summary.code_offset());
   return location.IsReturn() || location.IsTailCall();
 }
 
 
 void Debug::FramesHaveBeenDropped(StackFrame::Id new_break_frame_id,
                                   LiveEdit::FrameDropMode mode) {
@@ skipping 31 matching lines @@
     Script* script;
     while ((script = iterator.Next())) {
       if (script->HasValidSource()) results->set(length++, script);
     }
   }
   results->Shrink(length);
   return results;
 }
 
 
+void Debug::RecordEvalCaller(Handle<Script> script) {
+  script->set_compilation_type(Script::COMPILATION_TYPE_EVAL);
+  // For eval scripts add information on the function from which eval was
+  // called.
+  StackTraceFrameIterator it(script->GetIsolate());
+  if (!it.done()) {
+    script->set_eval_from_shared(it.frame()->function()->shared());
+    Code* code = it.frame()->LookupCode();
+    int offset = static_cast<int>(
+        it.frame()->pc() - code->instruction_start());
+    script->set_eval_from_instructions_offset(offset);
+  }
+}
+
+
 MaybeHandle<Object> Debug::MakeExecutionState() {
   // Create the execution state object.
   Handle<Object> argv[] = { isolate_->factory()->NewNumberFromInt(break_id()) };
   return CallFunction("MakeExecutionState", arraysize(argv), argv);
 }
 
 
 MaybeHandle<Object> Debug::MakeBreakEvent(Handle<Object> break_points_hit) {
   // Create the new break event object.
   Handle<Object> argv[] = { isolate_->factory()->NewNumberFromInt(break_id()),
@@ skipping 569 matching lines @@
   OnDebugBreak(isolate_->factory()->undefined_value(), debug_command_only);
 }
 
 #ifdef DEBUG
 void Debug::PrintBreakLocation() {
   if (!FLAG_print_break_location) return;
   HandleScope scope(isolate_);
   JavaScriptFrameIterator iterator(isolate_);
   if (iterator.done()) return;
   JavaScriptFrame* frame = iterator.frame();
-  FrameSummary summary = FrameSummary::GetFirst(frame);
+  FrameSummary summary = GetFirstFrameSummary(frame);
   int source_position =
       summary.abstract_code()->SourcePosition(summary.code_offset());
   Handle<Object> script_obj(summary.function()->shared()->script(), isolate_);
   PrintF("[debug] break in function '");
   summary.function()->PrintName();
   PrintF("'.\n");
   if (script_obj->IsScript()) {
     Handle<Script> script = Handle<Script>::cast(script_obj);
     Handle<String> source(String::cast(script->source()));
     Script::InitLineEnds(script);
@@ skipping 323 matching lines @@
 }
 
 
 void LockingCommandMessageQueue::Clear() {
   base::LockGuard<base::Mutex> lock_guard(&mutex_);
   queue_.Clear();
 }
 
 }  // namespace internal
 }  // namespace v8