[wasm] Enable wasm frame inspection for debugging

src/debug/mirrors.js

Index: src/debug/mirrors.js
diff --git a/src/debug/mirrors.js b/src/debug/mirrors.js
index 1aaa22aa7ef73faba17ed5960fa915ec1cb2444f..b91b10cb7fb6495fb7a112e4d8ea0e3b7cde3b6c 100644
--- a/src/debug/mirrors.js
+++ b/src/debug/mirrors.js
@@ -1091,6 +1091,11 @@ UnresolvedFunctionMirror.prototype.name = function() {
 };
 
 
+UnresolvedFunctionMirror.prototype.debugName = function() {
+  return this.value_;
+};
+
+
 UnresolvedFunctionMirror.prototype.inferredName = function() {
   return UNDEFINED;
 };
@@ -1620,13 +1625,14 @@ InternalPropertyMirror.prototype.value = function() {
 var kFrameDetailsFrameIdIndex = 0;
 var kFrameDetailsReceiverIndex = 1;
 var kFrameDetailsFunctionIndex = 2;
-var kFrameDetailsArgumentCountIndex = 3;
-var kFrameDetailsLocalCountIndex = 4;
-var kFrameDetailsSourcePositionIndex = 5;
-var kFrameDetailsConstructCallIndex = 6;
-var kFrameDetailsAtReturnIndex = 7;
-var kFrameDetailsFlagsIndex = 8;
-var kFrameDetailsFirstDynamicIndex = 9;
+var kFrameDetailsScriptIndex = 3;
+var kFrameDetailsArgumentCountIndex = 4;
+var kFrameDetailsLocalCountIndex = 5;
+var kFrameDetailsSourcePositionIndex = 6;
+var kFrameDetailsConstructCallIndex = 7;
+var kFrameDetailsAtReturnIndex = 8;
+var kFrameDetailsFlagsIndex = 9;
+var kFrameDetailsFirstDynamicIndex = 10;
 
 var kFrameDetailsNameIndex = 0;
 var kFrameDetailsValueIndex = 1;
@@ -1643,12 +1649,13 @@ var kFrameDetailsFlagInlinedFrameIndexMask = 7 << 2;
  *     0: Id
  *     1: Receiver
  *     2: Function
- *     3: Argument count
- *     4: Local count
- *     5: Source position
- *     6: Construct call
- *     7: Is at return
- *     8: Flags (debugger frame, optimized frame, inlined frame index)
+ *     3: Script
+ *     4: Argument count
+ *     5: Local count
+ *     6: Source position
+ *     7: Construct call
+ *     8: Is at return
+ *     9: Flags (debugger frame, optimized frame, inlined frame index)
  *     Arguments name, value
  *     Locals name, value
  *     Return value if any
@@ -1680,6 +1687,12 @@ FrameDetails.prototype.func = function() {
 };
 
 
+FrameDetails.prototype.script = function() {

[Yang, 2016/06/16 14:10:41]

Can we get this from the FunctionMirror?

[Clemens Hammacher, 2016/06/16 17:02:31]

Nope, the FunctionMirror is an UnresolvedFunctionMirror for wasm frames.

+  %CheckExecutionState(this.break_id_);
+  return this.details_[kFrameDetailsScriptIndex];
+};
+
+
 FrameDetails.prototype.isConstructCall = function() {
   %CheckExecutionState(this.break_id_);
   return this.details_[kFrameDetailsConstructCallIndex];