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1 /*
2  * Copyright (C) 2008 Apple Inc. All rights reserved.
3  * Copyright (C) 2010 Google Inc. All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1.  Redistributions of source code must retain the above copyright
10  *     notice, this list of conditions and the following disclaimer.
11  * 2.  Redistributions in binary form must reproduce the above copyright
12  *     notice, this list of conditions and the following disclaimer in the
13  *     documentation and/or other materials provided with the distribution.
14  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
15  *     its contributors may be used to endorse or promote products derived
16  *     from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
19  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
22  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #ifndef V8_INSPECTOR_V8_DEBUGGER_SCRIPT_H_
31 #define V8_INSPECTOR_V8_DEBUGGER_SCRIPT_H_
32 
33 #include <memory>
34 
35 #include "src/base/macros.h"
36 #include "src/inspector/string-16.h"
37 #include "src/inspector/string-util.h"
38 
39 #include "include/v8.h"
40 #include "src/debug/debug-interface.h"
41 
42 namespace v8_inspector {
43 
44 class V8DebuggerAgentImpl;
45 class V8InspectorClient;
46 
47 class V8DebuggerScript {
48  public:
49   enum class Language { JavaScript, WebAssembly };
50   static std::unique_ptr<V8DebuggerScript> Create(
51       v8::Isolate* isolate, v8::Local<v8::debug::Script> script,
52       bool isLiveEdit, V8DebuggerAgentImpl* agent, V8InspectorClient* client);
53 
54   virtual ~V8DebuggerScript();
55 
scriptId()56   const String16& scriptId() const { return m_id; }
hasSourceURLComment()57   bool hasSourceURLComment() const { return m_hasSourceURLComment; }
sourceURL()58   const String16& sourceURL() const { return m_url; }
embedderName()59   const String16& embedderName() const { return m_embedderName; }
60 
61   virtual const String16& sourceMappingURL() const = 0;
62   virtual String16 source(size_t pos, size_t len = UINT_MAX) const = 0;
63   virtual v8::Maybe<v8::MemorySpan<const uint8_t>> wasmBytecode() const = 0;
64   virtual Language getLanguage() const = 0;
65   virtual v8::Maybe<String16> getExternalDebugSymbolsURL() const = 0;
66   virtual v8::Maybe<v8::debug::WasmScript::DebugSymbolsType>
67   getDebugSymbolsType() const = 0;
68   virtual const String16& hash() const = 0;
69   virtual int startLine() const = 0;
70   virtual int startColumn() const = 0;
71   virtual int endLine() const = 0;
72   virtual int endColumn() const = 0;
73   virtual int codeOffset() const = 0;
executionContextId()74   int executionContextId() const { return m_executionContextId; }
75   virtual bool isLiveEdit() const = 0;
76   virtual bool isModule() const = 0;
77   virtual bool isSourceLoadedLazily() const = 0;
78   virtual int length() const = 0;
79 
80   void setSourceURL(const String16&);
81   virtual void setSourceMappingURL(const String16&) = 0;
82   virtual void setSource(const String16& source, bool preview,
83                          v8::debug::LiveEditResult* result) = 0;
84 
85   virtual bool getPossibleBreakpoints(
86       const v8::debug::Location& start, const v8::debug::Location& end,
87       bool ignoreNestedFunctions,
88       std::vector<v8::debug::BreakLocation>* locations) = 0;
89   virtual void resetBlackboxedStateCache() = 0;
90 
91   static const int kNoOffset = -1;
92   virtual int offset(int lineNumber, int columnNumber) const = 0;
93   virtual v8::debug::Location location(int offset) const = 0;
94 
95   virtual bool setBreakpoint(const String16& condition,
96                              v8::debug::Location* location, int* id) const = 0;
97   void removeWasmBreakpoint(int id);
98   virtual void MakeWeak() = 0;
99   virtual bool setBreakpointOnRun(int* id) const = 0;
100 
101  protected:
102   V8DebuggerScript(v8::Isolate*, String16 id, String16 url,
103                    String16 embedderName);
104 
105   virtual v8::Local<v8::debug::Script> script() const = 0;
106 
107   String16 m_id;
108   String16 m_url;
109   bool m_hasSourceURLComment = false;
110   int m_executionContextId = 0;
111 
112   v8::Isolate* m_isolate;
113   String16 m_embedderName;
114 
115  private:
116   DISALLOW_COPY_AND_ASSIGN(V8DebuggerScript);
117 };
118 
119 }  // namespace v8_inspector
120 
121 #endif  // V8_INSPECTOR_V8_DEBUGGER_SCRIPT_H_
122