Devtools: parse variables scopes and sourcemap them

third_party/WebKit/Source/platform/v8_inspector/V8JavaScriptCallFrame.cpp

Index: third_party/WebKit/Source/platform/v8_inspector/V8JavaScriptCallFrame.cpp
diff --git a/third_party/WebKit/Source/platform/v8_inspector/V8JavaScriptCallFrame.cpp b/third_party/WebKit/Source/platform/v8_inspector/V8JavaScriptCallFrame.cpp
index 6d831c8dd2ea8e0d28cac6504b377fc6e19f11b2..5d1be8e1a04818c4ee7f8cdf9cdff788182fe71a 100644
--- a/third_party/WebKit/Source/platform/v8_inspector/V8JavaScriptCallFrame.cpp
+++ b/third_party/WebKit/Source/platform/v8_inspector/V8JavaScriptCallFrame.cpp
@@ -143,6 +143,26 @@ void scopeNameMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
     info.GetReturnValue().Set(impl->scopeName(scopeIndex));
 }
 
+void scopeStartLocationMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    JavaScriptCallFrame* impl = V8JavaScriptCallFrame::unwrap(info.GetIsolate()->GetCurrentContext(), info.Holder());
+    v8::Maybe<int32_t> maybeScopeIndex = info[0]->Int32Value(info.GetIsolate()->GetCurrentContext());
+    if (maybeScopeIndex.IsNothing())
+        return;
+    int scopeIndex = maybeScopeIndex.FromJust();
+    info.GetReturnValue().Set(impl->scopeStartLocation(scopeIndex));
+}
+
+void scopeEndLocationMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    JavaScriptCallFrame* impl = V8JavaScriptCallFrame::unwrap(info.GetIsolate()->GetCurrentContext(), info.Holder());
+    v8::Maybe<int32_t> maybeScopeIndex = info[0]->Int32Value(info.GetIsolate()->GetCurrentContext());
+    if (maybeScopeIndex.IsNothing())
+        return;
+    int scopeIndex = maybeScopeIndex.FromJust();
+    info.GetReturnValue().Set(impl->scopeEndLocation(scopeIndex));
+}
+
 char hiddenPropertyName[] = "v8inspector::JavaScriptCallFrame";
 char className[] = "V8JavaScriptCallFrame";
 using JavaScriptCallFrameWrapper = InspectorWrapper<JavaScriptCallFrame, hiddenPropertyName, className>;
@@ -168,7 +188,9 @@ const JavaScriptCallFrameWrapper::V8MethodConfiguration V8JavaScriptCallFrameMet
     {"restart", restartMethodCallback},
     {"setVariableValue", setVariableValueMethodCallback},
     {"scopeType", scopeTypeMethodCallback},
-    {"scopeName", scopeNameMethodCallback}
+    {"scopeName", scopeNameMethodCallback},
+    {"scopeStartLocation", scopeStartLocationMethodCallback},
+    {"scopeEndLocation", scopeEndLocationMethodCallback},
 };
 
 } // namespace