1/* 2 * Copyright (C) 2012 Apple 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 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "DFGVariableAccessDataDump.h" 28 29#if ENABLE(DFG_JIT) 30 31#include "DFGGraph.h" 32#include "DFGVariableAccessData.h" 33#include "JSCInlines.h" 34 35namespace JSC { namespace DFG { 36 37VariableAccessDataDump::VariableAccessDataDump(Graph& graph, VariableAccessData* data) 38 : m_graph(graph) 39 , m_data(data) 40{ 41} 42 43void VariableAccessDataDump::dump(PrintStream& out) const 44{ 45 unsigned index = std::numeric_limits<unsigned>::max(); 46 for (unsigned i = 0; i < m_graph.m_variableAccessData.size(); ++i) { 47 if (&m_graph.m_variableAccessData[i] == m_data) { 48 index = i; 49 break; 50 } 51 } 52 53 ASSERT(index != std::numeric_limits<unsigned>::max()); 54 55 if (!index) { 56 out.print("a"); 57 return; 58 } 59 60 while (index) { 61 out.print(CharacterDump('A' + (index % 26))); 62 index /= 26; 63 } 64 65 if (m_data->isCaptured()) 66 out.print("*"); 67 else if (m_data->shouldNeverUnbox()) 68 out.print("!"); 69 else if (!m_data->shouldUnboxIfPossible()) 70 out.print("~"); 71 72 out.print(AbbreviatedSpeculationDump(m_data->prediction()), "/", m_data->flushFormat()); 73} 74 75} } // namespace JSC::DFG 76 77#endif // ENABLE(DFG_JIT) 78 79 80