| // Copyright 2008 the V8 project authors. 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_D8_H_ |
| #define V8_D8_H_ |
| |
| |
| // Disable exceptions on windows to not generate warnings from <map>. |
| #define _HAS_EXCEPTIONS 0 |
| #include <map> |
| |
| #include "v8.h" |
| |
| |
| namespace v8 { |
| |
| |
| namespace i = v8::internal; |
| |
| |
| // A single counter in a counter collection. |
| class Counter { |
| public: |
| static const int kMaxNameSize = 64; |
| int32_t* Bind(const char* name); |
| int32_t* ptr() { return &counter_; } |
| int32_t value() { return counter_; } |
| private: |
| int32_t counter_; |
| uint8_t name_[kMaxNameSize]; |
| }; |
| |
| |
| // A set of counters and associated information. An instance of this |
| // class is stored directly in the memory-mapped counters file if |
| // the --map-counters options is used |
| class CounterCollection { |
| public: |
| CounterCollection(); |
| Counter* GetNextCounter(); |
| private: |
| static const unsigned kMaxCounters = 256; |
| uint32_t magic_number_; |
| uint32_t max_counters_; |
| uint32_t max_name_size_; |
| uint32_t counters_in_use_; |
| Counter counters_[kMaxCounters]; |
| }; |
| |
| |
| class Shell: public i::AllStatic { |
| public: |
| static bool ExecuteString(Handle<String> source, |
| Handle<Value> name, |
| bool print_result, |
| bool report_exceptions); |
| static void ReportException(TryCatch* try_catch); |
| static void Initialize(); |
| static void OnExit(); |
| static int* LookupCounter(const char* name); |
| static void MapCounters(const char* name); |
| static Handle<String> ReadFile(const char* name); |
| static void RunShell(); |
| static int Main(int argc, char* argv[]); |
| static Handle<Array> GetCompletions(Handle<String> text, |
| Handle<String> full); |
| static Handle<String> DebugEventToText(Handle<Object> event); |
| static Handle<Value> DebugCommandToJSONRequest(Handle<String> command); |
| static Handle<Object> DebugResponseDetails(Handle<String> response); |
| |
| static Handle<Value> Print(const Arguments& args); |
| static Handle<Value> Quit(const Arguments& args); |
| static Handle<Value> Version(const Arguments& args); |
| static Handle<Value> Load(const Arguments& args); |
| |
| static Handle<Context> utility_context() { return utility_context_; } |
| |
| static const char* kHistoryFileName; |
| static const char* kPrompt; |
| private: |
| static Persistent<Context> utility_context_; |
| static Persistent<Context> evaluation_context_; |
| typedef std::map<const char*, Counter*> CounterMap; |
| static CounterMap counter_map_; |
| // We statically allocate a set of local counters to be used if we |
| // don't want to store the stats in a memory-mapped file |
| static CounterCollection local_counters_; |
| static CounterCollection* counters_; |
| static i::OS::MemoryMappedFile* counters_file_; |
| }; |
| |
| |
| class LineEditor { |
| public: |
| enum Type { DUMB = 0, READLINE = 1 }; |
| LineEditor(Type type, const char* name); |
| virtual ~LineEditor() { } |
| |
| virtual i::SmartPointer<char> Prompt(const char* prompt) = 0; |
| virtual bool Open() { return true; } |
| virtual bool Close() { return true; } |
| virtual void AddHistory(const char* str) { } |
| |
| const char* name() { return name_; } |
| static LineEditor* Get(); |
| private: |
| Type type_; |
| const char* name_; |
| LineEditor* next_; |
| static LineEditor* first_; |
| }; |
| |
| |
| } // namespace v8 |
| |
| |
| #endif // V8_D8_H_ |