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Issue 7211013: Combined identical classes V8JavaScriptScanner and StandAloneJavaScriptScanner. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 9 years, 6 months ago
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1 // Copyright 2011 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
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70 70
71 71
72 72
73 // ---------------------------------------------------------------------------- 73 // ----------------------------------------------------------------------------
74 // JavaScriptScanner 74 // JavaScriptScanner
75 75
76 JavaScriptScanner::JavaScriptScanner(UnicodeCache* scanner_contants) 76 JavaScriptScanner::JavaScriptScanner(UnicodeCache* scanner_contants)
77 : Scanner(scanner_contants), octal_pos_(Location::invalid()) { } 77 : Scanner(scanner_contants), octal_pos_(Location::invalid()) { }
78 78
79 79
80 void JavaScriptScanner::Initialize(UC16CharacterStream* source) {
81 source_ = source;
82 // Need to capture identifiers in order to recognize "get" and "set"
83 // in object literals.
84 Init();
85 // Skip initial whitespace allowing HTML comment ends just like
86 // after a newline and scan first token.
87 has_line_terminator_before_next_ = true;
88 SkipWhiteSpace();
89 Scan();
90 }
91
80 Token::Value JavaScriptScanner::Next() { 92 Token::Value JavaScriptScanner::Next() {
81 current_ = next_; 93 current_ = next_;
82 has_line_terminator_before_next_ = false; 94 has_line_terminator_before_next_ = false;
83 Scan(); 95 Scan();
84 return current_.token; 96 return current_.token;
85 } 97 }
86 98
87 99
88 static inline bool IsByteOrderMark(uc32 c) { 100 static inline bool IsByteOrderMark(uc32 c) {
89 // The Unicode value U+FFFE is guaranteed never to be assigned as a 101 // The Unicode value U+FFFE is guaranteed never to be assigned as a
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943 if (MatchKeywordStart(input, "with", 1, Token::WITH)) return; 955 if (MatchKeywordStart(input, "with", 1, Token::WITH)) return;
944 break; 956 break;
945 case UNMATCHABLE: 957 case UNMATCHABLE:
946 break; 958 break;
947 } 959 }
948 // On fallthrough, it's a failure. 960 // On fallthrough, it's a failure.
949 state_ = UNMATCHABLE; 961 state_ = UNMATCHABLE;
950 } 962 }
951 963
952 } } // namespace v8::internal 964 } } // namespace v8::internal
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