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author | Ryan <ry@tinyclouds.org> | 2009-04-22 19:35:47 +0200 |
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committer | Ryan <ry@tinyclouds.org> | 2009-04-22 19:35:47 +0200 |
commit | 40c0f755c998d2615fe8466aab20c6d81bd463e7 (patch) | |
tree | 51fcb08ba1bd3f745ceb43fd5f814a5700079881 /deps/v8/src/d8-debug.h | |
parent | a93cf503073ba0258c55dec4dc325bdc1509b739 (diff) | |
download | node-new-40c0f755c998d2615fe8466aab20c6d81bd463e7.tar.gz |
import full versions of dependency libraries!
Diffstat (limited to 'deps/v8/src/d8-debug.h')
-rw-r--r-- | deps/v8/src/d8-debug.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/deps/v8/src/d8-debug.h b/deps/v8/src/d8-debug.h new file mode 100644 index 0000000000..c7acc2f79f --- /dev/null +++ b/deps/v8/src/d8-debug.h @@ -0,0 +1,155 @@ +// 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_DEBUG_H_ +#define V8_D8_DEBUG_H_ + + +#include "d8.h" +#include "debug.h" + + +namespace v8 { + + +void HandleDebugEvent(DebugEvent event, + Handle<Object> exec_state, + Handle<Object> event_data, + Handle<Value> data); + +// Start the remove debugger connecting to a V8 debugger agent on the specified +// port. +void RunRemoteDebugger(int port); + +// Forward declerations. +class RemoteDebuggerEvent; +class ReceiverThread; + + +// Remote debugging class. +class RemoteDebugger { + public: + explicit RemoteDebugger(int port) + : port_(port), + event_access_(i::OS::CreateMutex()), + event_available_(i::OS::CreateSemaphore(0)), + head_(NULL), tail_(NULL) {} + void Run(); + + // Handle events from the subordinate threads. + void MessageReceived(i::SmartPointer<char> message); + void KeyboardCommand(i::SmartPointer<char> command); + void ConnectionClosed(); + + private: + // Add new debugger event to the list. + void AddEvent(RemoteDebuggerEvent* event); + // Read next debugger event from the list. + RemoteDebuggerEvent* GetEvent(); + + // Handle a message from the debugged V8. + void HandleMessageReceived(char* message); + // Handle a keyboard command. + void HandleKeyboardCommand(char* command); + + // Get connection to agent in debugged V8. + i::Socket* conn() { return conn_; } + + int port_; // Port used to connect to debugger V8. + i::Socket* conn_; // Connection to debugger agent in debugged V8. + + // Linked list of events from debugged V8 and from keyboard input. Access to + // the list is guarded by a mutex and a semaphore signals new items in the + // list. + i::Mutex* event_access_; + i::Semaphore* event_available_; + RemoteDebuggerEvent* head_; + RemoteDebuggerEvent* tail_; + + friend class ReceiverThread; +}; + + +// Thread reading from debugged V8 instance. +class ReceiverThread: public i::Thread { + public: + explicit ReceiverThread(RemoteDebugger* remote_debugger) + : remote_debugger_(remote_debugger) {} + ~ReceiverThread() {} + + void Run(); + + private: + RemoteDebugger* remote_debugger_; +}; + + +// Thread reading keyboard input. +class KeyboardThread: public i::Thread { + public: + explicit KeyboardThread(RemoteDebugger* remote_debugger) + : remote_debugger_(remote_debugger) {} + ~KeyboardThread() {} + + void Run(); + + private: + RemoteDebugger* remote_debugger_; +}; + + +// Events processed by the main deubgger thread. +class RemoteDebuggerEvent { + public: + RemoteDebuggerEvent(int type, i::SmartPointer<char> data) + : type_(type), data_(data), next_(NULL) { + ASSERT(type == kMessage || type == kKeyboard || type == kDisconnect); + } + + static const int kMessage = 1; + static const int kKeyboard = 2; + static const int kDisconnect = 3; + + int type() { return type_; } + char* data() { return *data_; } + + private: + void set_next(RemoteDebuggerEvent* event) { next_ = event; } + RemoteDebuggerEvent* next() { return next_; } + + int type_; + i::SmartPointer<char> data_; + RemoteDebuggerEvent* next_; + + friend class RemoteDebugger; +}; + + +} // namespace v8 + + +#endif // V8_D8_DEBUG_H_ |