Implementing console command 'debug'.

Source/bindings/v8/custom/V8InjectedScriptHostCustom.cpp

 /*
  * Copyright (C) 2007-2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 345 matching lines @@
     v8::Handle<v8::Value> functionValue = args[0];
     int scopeIndex = args[1]->Int32Value();
     String variableName = toWebCoreStringWithUndefinedOrNullCheck(args[2]);
     v8::Handle<v8::Value> newValue = args[3];
 
     InjectedScriptHost* host = V8InjectedScriptHost::toNative(args.Holder());
     ScriptDebugServer& debugServer = host->scriptDebugServer();
     v8SetReturnValue(args, debugServer.setFunctionVariableValue(functionValue, scopeIndex, variableName, newValue));
 }
 
+static bool getFunctionLocation(const v8::FunctionCallbackInfo<v8::Value>& args, String* scriptId, int* lineNumber, int* columnNumber)
+{
+    if (args.Length() < 1)
+        return false;
+    v8::Handle<v8::Value> fn = args[0];
+    if (!fn->IsFunction())
+        return false;
+    v8::HandleScope handleScope;
+    v8::Handle<v8::Function> function = v8::Handle<v8::Function>::Cast(fn);
+    *lineNumber = function->GetScriptLineNumber();
+    *columnNumber = function->GetScriptColumnNumber();
+    if (*lineNumber == v8::Function::kLineOffsetNotFound || *columnNumber == v8::Function::kLineOffsetNotFound)
+        return false;
+    *scriptId = toWebCoreStringWithUndefinedOrNullCheck(function->GetScriptId()->ToString());
+    return true;
+}
+
+void V8InjectedScriptHost::setBreakpointMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& args)
+{
+    String scriptId;
+    int lineNumber, columnNumber;
+    if (!getFunctionLocation(args, &scriptId, &lineNumber, &columnNumber))
+        return;
+
+    InjectedScriptHost* host = V8InjectedScriptHost::toNative(args.Holder());
+    host->setBreakpoint(scriptId, lineNumber, columnNumber);
+}
+
+void V8InjectedScriptHost::removeBreakpointMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& args)
+{
+    String scriptId;
+    int lineNumber, columnNumber;
+    if (!getFunctionLocation(args, &scriptId, &lineNumber, &columnNumber))
+        return;
+
+    InjectedScriptHost* host = V8InjectedScriptHost::toNative(args.Holder());
+    host->removeBreakpoint(scriptId, lineNumber, columnNumber);
+}
+
 
 } // namespace WebCore