| /* |
| * Copyright (C) 2011, 2012 Apple 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: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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 DFGPhase_h |
| #define DFGPhase_h |
| |
| #include <wtf/Platform.h> |
| |
| #if ENABLE(DFG_JIT) |
| |
| #include "DFGCommon.h" |
| #include "DFGGraph.h" |
| |
| namespace JSC { namespace DFG { |
| |
| class Phase { |
| public: |
| Phase(Graph& graph, const char* name) |
| : m_graph(graph) |
| , m_name(name) |
| { |
| beginPhase(); |
| } |
| |
| ~Phase() |
| { |
| endPhase(); |
| } |
| |
| const char* name() const { return m_name; } |
| |
| // Each phase must have a run() method. |
| |
| protected: |
| // Things you need to have a DFG compiler phase. |
| Graph& m_graph; |
| |
| JSGlobalData& globalData() { return m_graph.m_globalData; } |
| CodeBlock* codeBlock() { return m_graph.m_codeBlock; } |
| CodeBlock* profiledBlock() { return m_graph.m_profiledBlock; } |
| |
| const char* m_name; |
| |
| private: |
| // Call these hooks when starting and finishing. |
| #if DFG_ENABLE(DEBUG_PROPAGATION_VERBOSE) |
| void beginPhase(); |
| #else |
| void beginPhase() { } |
| #endif |
| #if DFG_ENABLE(PER_PHASE_VALIDATION) |
| void endPhase(); |
| #else |
| void endPhase() { } |
| #endif |
| }; |
| |
| template<typename PhaseType> |
| bool runAndLog(PhaseType& phase) |
| { |
| bool result = phase.run(); |
| #if DFG_ENABLE(DEBUG_VERBOSE) |
| if (result) |
| dataLogF("Phase %s changed the IR.\n", phase.name()); |
| #endif |
| return result; |
| } |
| |
| template<typename PhaseType> |
| bool runPhase(Graph& graph) |
| { |
| PhaseType phase(graph); |
| return runAndLog(phase); |
| } |
| |
| } } // namespace JSC::DFG |
| |
| #endif // ENABLE(DFG_JIT) |
| |
| #endif // DFGPhase_h |
| |