[inspector] Initial import of v8_inspector.

src/inspector/JavaScriptCallFrame.h

+/*
+ * Copyright (c) 2010, 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
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef V8_INSPECTOR_JAVASCRIPTCALLFRAME_H_
+#define V8_INSPECTOR_JAVASCRIPTCALLFRAME_H_
+
+#include "src/inspector/Allocator.h"
+#include "src/inspector/ProtocolPlatform.h"
+
+#include <v8.h>
+#include <vector>
+
+namespace v8_inspector {
+
+class JavaScriptCallFrame {
+  V8_INSPECTOR_DISALLOW_COPY(JavaScriptCallFrame);
+
+ public:
+  static std::unique_ptr<JavaScriptCallFrame> create(
+      v8::Local<v8::Context> debuggerContext, v8::Local<v8::Object> callFrame) {
+    return wrapUnique(new JavaScriptCallFrame(debuggerContext, callFrame));
+  }
+  ~JavaScriptCallFrame();
+
+  int sourceID() const;
+  int line() const;
+  int column() const;
+  int contextId() const;
+
+  bool isAtReturn() const;
+  v8::Local<v8::Object> details() const;
+
+  v8::MaybeLocal<v8::Value> evaluate(v8::Local<v8::Value> expression);
+  v8::MaybeLocal<v8::Value> restart();
+  v8::MaybeLocal<v8::Value> setVariableValue(int scopeNumber,
+                                             v8::Local<v8::Value> variableName,
+                                             v8::Local<v8::Value> newValue);
+
+ private:
+  JavaScriptCallFrame(v8::Local<v8::Context> debuggerContext,
+                      v8::Local<v8::Object> callFrame);
+
+  int callV8FunctionReturnInt(const char* name) const;
+
+  v8::Isolate* m_isolate;
+  v8::Global<v8::Context> m_debuggerContext;
+  v8::Global<v8::Object> m_callFrame;
+};
+
+using JavaScriptCallFrames = std::vector<std::unique_ptr<JavaScriptCallFrame>>;
+
+}  // namespace v8_inspector
+
+#endif  // V8_INSPECTOR_JAVASCRIPTCALLFRAME_H_