ParserError.h 3.3 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111
  1. /*
  2. * Copyright (C) 2013 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. #ifndef ParserError_h
  26. #define ParserError_h
  27. #include "Error.h"
  28. #include "ExceptionHelpers.h"
  29. #include "ParserTokens.h"
  30. #include <wtf/text/WTFString.h>
  31. namespace JSC {
  32. struct ParserError {
  33. enum SyntaxErrorType {
  34. SyntaxErrorNone,
  35. SyntaxErrorIrrecoverable,
  36. SyntaxErrorUnterminatedLiteral,
  37. SyntaxErrorRecoverable
  38. };
  39. enum ErrorType {
  40. ErrorNone,
  41. StackOverflow,
  42. EvalError,
  43. OutOfMemory,
  44. SyntaxError
  45. };
  46. ErrorType m_type;
  47. SyntaxErrorType m_syntaxErrorType;
  48. JSToken m_token;
  49. String m_message;
  50. int m_line;
  51. ParserError()
  52. : m_type(ErrorNone)
  53. , m_syntaxErrorType(SyntaxErrorNone)
  54. , m_line(-1)
  55. {
  56. }
  57. explicit ParserError(ErrorType type)
  58. : m_type(type)
  59. , m_syntaxErrorType(SyntaxErrorNone)
  60. , m_line(-1)
  61. {
  62. }
  63. ParserError(ErrorType type, SyntaxErrorType syntaxError, JSToken token)
  64. : m_type(type)
  65. , m_syntaxErrorType(syntaxError)
  66. , m_token(token)
  67. , m_line(-1)
  68. {
  69. }
  70. ParserError(ErrorType type, SyntaxErrorType syntaxError, JSToken token, String msg, int line)
  71. : m_type(type)
  72. , m_syntaxErrorType(syntaxError)
  73. , m_token(token)
  74. , m_message(msg)
  75. , m_line(line)
  76. {
  77. }
  78. JSObject* toErrorObject(JSGlobalObject* globalObject, const SourceCode& source)
  79. {
  80. switch (m_type) {
  81. case ErrorNone:
  82. return 0;
  83. case SyntaxError:
  84. return addErrorInfo(globalObject->globalExec(), createSyntaxError(globalObject, m_message), m_line, source);
  85. case EvalError:
  86. return createSyntaxError(globalObject, m_message);
  87. case StackOverflow:
  88. return createStackOverflowError(globalObject);
  89. case OutOfMemory:
  90. return createOutOfMemoryError(globalObject);
  91. }
  92. CRASH();
  93. return createOutOfMemoryError(globalObject); // Appease Qt bot
  94. }
  95. #undef GET_ERROR_CODE
  96. };
  97. } // namespace JSC
  98. #endif // ParserError_h