DFGVariableAccessDataDump.cpp 2.4 KB

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  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. #include "config.h"
  26. #include "DFGVariableAccessDataDump.h"
  27. #if ENABLE(DFG_JIT)
  28. #include "DFGGraph.h"
  29. #include "DFGVariableAccessData.h"
  30. namespace JSC { namespace DFG {
  31. VariableAccessDataDump::VariableAccessDataDump(Graph& graph, VariableAccessData* data)
  32. : m_graph(graph)
  33. , m_data(data)
  34. {
  35. }
  36. void VariableAccessDataDump::dump(PrintStream& out) const
  37. {
  38. unsigned index = std::numeric_limits<unsigned>::max();
  39. for (unsigned i = 0; i < m_graph.m_variableAccessData.size(); ++i) {
  40. if (&m_graph.m_variableAccessData[i] == m_data) {
  41. index = i;
  42. break;
  43. }
  44. }
  45. ASSERT(index != std::numeric_limits<unsigned>::max());
  46. if (!index) {
  47. out.print("a");
  48. return;
  49. }
  50. while (index) {
  51. out.print(CharacterDump('A' + (index % 26)));
  52. index /= 26;
  53. }
  54. if (m_data->isCaptured())
  55. out.print("*");
  56. else if (m_data->shouldNeverUnbox())
  57. out.print("!");
  58. else if (!m_data->shouldUnboxIfPossible())
  59. out.print("~");
  60. out.print(AbbreviatedSpeculationDump(m_data->prediction()));
  61. }
  62. } } // namespace JSC::DFG
  63. #endif // ENABLE(DFG_JIT)