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Side by Side Diff: include/v8-preparser.h

Issue 6812012: Make preparser api be exported in shared libraries. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Cleanup whitespace. Created 9 years, 8 months ago
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1 // Copyright 2010 the V8 project authors. All rights reserved. 1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution. 11 // with the distribution.
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60 #else // defined(__GNUC__) && (__GNUC__ >= 4) 60 #else // defined(__GNUC__) && (__GNUC__ >= 4)
61 #define V8EXPORT 61 #define V8EXPORT
62 #endif // defined(__GNUC__) && (__GNUC__ >= 4) 62 #endif // defined(__GNUC__) && (__GNUC__ >= 4)
63 63
64 #endif // _WIN32 64 #endif // _WIN32
65 65
66 66
67 namespace v8 { 67 namespace v8 {
68 68
69 69
70 class PreParserData { 70 class V8EXPORT PreParserData {
71 public: 71 public:
72 PreParserData(size_t size, const uint8_t* data) 72 PreParserData(size_t size, const uint8_t* data)
73 : data_(data), size_(size) { } 73 : data_(data), size_(size) { }
74 74
75 // Create a PreParserData value where stack_overflow reports true. 75 // Create a PreParserData value where stack_overflow reports true.
76 static PreParserData StackOverflow() { return PreParserData(0, NULL); } 76 static PreParserData StackOverflow() { return PreParserData(0, NULL); }
77
77 // Whether the pre-parser stopped due to a stack overflow. 78 // Whether the pre-parser stopped due to a stack overflow.
78 // If this is the case, size() and data() should not be used. 79 // If this is the case, size() and data() should not be used.
79
80 bool stack_overflow() { return size_ == 0u; } 80 bool stack_overflow() { return size_ == 0u; }
81 81
82 // The size of the data in bytes. 82 // The size of the data in bytes.
83 size_t size() const { return size_; } 83 size_t size() const { return size_; }
84 84
85 // Pointer to the data. 85 // Pointer to the data.
86 const uint8_t* data() const { return data_; } 86 const uint8_t* data() const { return data_; }
87 87
88 private: 88 private:
89 const uint8_t* const data_; 89 const uint8_t* const data_;
90 const size_t size_; 90 const size_t size_;
91 }; 91 };
92 92
93 93
94 // Interface for a stream of Unicode characters. 94 // Interface for a stream of Unicode characters.
95 class UnicodeInputStream { 95 class V8EXPORT UnicodeInputStream { // NOLINT - Thinks V8EXPORT is class name.
96 public: 96 public:
97 virtual ~UnicodeInputStream(); 97 virtual ~UnicodeInputStream();
98 98
99 // Returns the next Unicode code-point in the input, or a negative value when 99 // Returns the next Unicode code-point in the input, or a negative value when
100 // there is no more input in the stream. 100 // there is no more input in the stream.
101 virtual int32_t Next() = 0; 101 virtual int32_t Next() = 0;
102 }; 102 };
103 103
104 104
105 // Preparse a JavaScript program. The source code is provided as a 105 // Preparse a JavaScript program. The source code is provided as a
106 // UnicodeInputStream. The max_stack_size limits the amount of stack 106 // UnicodeInputStream. The max_stack_size limits the amount of stack
107 // space that the preparser is allowed to use. If the preparser uses 107 // space that the preparser is allowed to use. If the preparser uses
108 // more stack space than the limit provided, the result's stack_overflow() 108 // more stack space than the limit provided, the result's stack_overflow()
109 // method will return true. Otherwise the result contains preparser 109 // method will return true. Otherwise the result contains preparser
110 // data that can be used by the V8 parser to speed up parsing. 110 // data that can be used by the V8 parser to speed up parsing.
111 PreParserData V8EXPORT Preparse(UnicodeInputStream* input, 111 PreParserData V8EXPORT Preparse(UnicodeInputStream* input,
112 size_t max_stack_size); 112 size_t max_stack_size);
113 113
114 } // namespace v8. 114 } // namespace v8.
115 115
116 #endif // PREPARSER_H 116 #endif // PREPARSER_H
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