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      1 /*
      2  * Copyright (c) 2010, Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef V8_INSPECTOR_JAVASCRIPTCALLFRAME_H_
     32 #define V8_INSPECTOR_JAVASCRIPTCALLFRAME_H_
     33 
     34 #include <vector>
     35 
     36 #include "src/base/macros.h"
     37 #include "src/inspector/protocol-platform.h"
     38 
     39 #include "include/v8.h"
     40 
     41 namespace v8_inspector {
     42 
     43 class JavaScriptCallFrame {
     44  public:
     45   static std::unique_ptr<JavaScriptCallFrame> create(
     46       v8::Local<v8::Context> debuggerContext, v8::Local<v8::Object> callFrame) {
     47     return wrapUnique(new JavaScriptCallFrame(debuggerContext, callFrame));
     48   }
     49   ~JavaScriptCallFrame();
     50 
     51   int sourceID() const;
     52   int line() const;
     53   int column() const;
     54   int contextId() const;
     55 
     56   bool isAtReturn() const;
     57   v8::Local<v8::Object> details() const;
     58 
     59   v8::MaybeLocal<v8::Value> evaluate(v8::Local<v8::Value> expression);
     60   v8::MaybeLocal<v8::Value> restart();
     61   v8::MaybeLocal<v8::Value> setVariableValue(int scopeNumber,
     62                                              v8::Local<v8::Value> variableName,
     63                                              v8::Local<v8::Value> newValue);
     64 
     65  private:
     66   JavaScriptCallFrame(v8::Local<v8::Context> debuggerContext,
     67                       v8::Local<v8::Object> callFrame);
     68 
     69   int callV8FunctionReturnInt(const char* name) const;
     70 
     71   v8::Isolate* m_isolate;
     72   v8::Global<v8::Context> m_debuggerContext;
     73   v8::Global<v8::Object> m_callFrame;
     74 
     75   DISALLOW_COPY_AND_ASSIGN(JavaScriptCallFrame);
     76 };
     77 
     78 using JavaScriptCallFrames = std::vector<std::unique_ptr<JavaScriptCallFrame>>;
     79 
     80 }  // namespace v8_inspector
     81 
     82 #endif  // V8_INSPECTOR_JAVASCRIPTCALLFRAME_H_
     83