Support debugger inspection of locals in optimized frames

src/mirror-debugger.js

Index: src/mirror-debugger.js
diff --git a/src/mirror-debugger.js b/src/mirror-debugger.js
index 3a0353515c1d449053959fd2049d60015b3c54c7..57de6c68f91f2c0bc5f57825331397ade1497436 100644
--- a/src/mirror-debugger.js
+++ b/src/mirror-debugger.js
@@ -1243,13 +1243,17 @@ const kFrameDetailsLocalCountIndex = 4;
 const kFrameDetailsSourcePositionIndex = 5;
 const kFrameDetailsConstructCallIndex = 6;
 const kFrameDetailsAtReturnIndex = 7;
-const kFrameDetailsDebuggerFrameIndex = 8;
+const kFrameDetailsFlagsIndex = 8;
 const kFrameDetailsFirstDynamicIndex = 9;
 
 const kFrameDetailsNameIndex = 0;
 const kFrameDetailsValueIndex = 1;
 const kFrameDetailsNameValueSize = 2;
 
+const kFrameDetailsFlagDebuggerFrame = 1;
+const kFrameDetailsFlagOptimizedFrame = 2;
+const kFrameDetailsFlagInlinedFrame = 4;
+
 /**
  * Wrapper for the frame details information retreived from the VM. The frame
  * details from the VM is an array with the following content. See runtime.cc
@@ -1262,7 +1266,7 @@ const kFrameDetailsNameValueSize = 2;
  *     5: Source position
  *     6: Construct call
  *     7: Is at return
- *     8: Debugger frame
+ *     8: Flags (debugger frame, optimized frame, inlined frame)
  *     Arguments name, value
  *     Locals name, value
  *     Return value if any
@@ -1308,7 +1312,22 @@ FrameDetails.prototype.isAtReturn = function() {
 
 FrameDetails.prototype.isDebuggerFrame = function() {
   %CheckExecutionState(this.break_id_);
-  return this.details_[kFrameDetailsDebuggerFrameIndex];
+  var f = kFrameDetailsFlagDebuggerFrame;
+  return (this.details_[kFrameDetailsFlagsIndex] & f) == f;
+}
+
+
+FrameDetails.prototype.isOptimizedFrame = function() {
+  %CheckExecutionState(this.break_id_);
+  var f = kFrameDetailsFlagOptimizedFrame;
+  return (this.details_[kFrameDetailsFlagsIndex] & f) == f;
+}
+
+
+FrameDetails.prototype.isInlinedFrame = function() {
+  %CheckExecutionState(this.break_id_);
+  var f = kFrameDetailsFlagInlinedFrame;
+  return (this.details_[kFrameDetailsFlagsIndex] & f) == f;
 }
 
 
@@ -1447,6 +1466,16 @@ FrameMirror.prototype.isDebuggerFrame = function() {
 };
 
 
+FrameMirror.prototype.isOptimizedFrame = function() {
+  return this.details_.isOptimizedFrame();
+};
+
+
+FrameMirror.prototype.isInlinedFrame = function() {
+  return this.details_.isInlinedFrame();
+};
+
+
 FrameMirror.prototype.argumentCount = function() {
   return this.details_.argumentCount();
 };