diff options
Diffstat (limited to 'src/3rdparty/javascriptcore/JavaScriptCore/parser/Lexer.h')
-rw-r--r-- | src/3rdparty/javascriptcore/JavaScriptCore/parser/Lexer.h | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/parser/Lexer.h b/src/3rdparty/javascriptcore/JavaScriptCore/parser/Lexer.h deleted file mode 100644 index c76696c..0000000 --- a/src/3rdparty/javascriptcore/JavaScriptCore/parser/Lexer.h +++ /dev/null @@ -1,147 +0,0 @@ -/* - * Copyright (C) 1999-2000 Harri Porten (porten@kde.org) - * Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public License - * along with this library; see the file COPYING.LIB. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - * - */ - -#ifndef Lexer_h -#define Lexer_h - -#include "Lookup.h" -#include "ParserArena.h" -#include "SourceCode.h" -#include <wtf/ASCIICType.h> -#include <wtf/SegmentedVector.h> -#include <wtf/Vector.h> -#include <wtf/unicode/Unicode.h> - -namespace JSC { - - class RegExp; - - class Lexer : public Noncopyable { - public: - // Character manipulation functions. - static bool isWhiteSpace(int character); - static bool isLineTerminator(int character); - static unsigned char convertHex(int c1, int c2); - static UChar convertUnicode(int c1, int c2, int c3, int c4); - - // Functions to set up parsing. - void setCode(const SourceCode&, ParserArena&); - void setIsReparsing() { m_isReparsing = true; } - - // Functions for the parser itself. - int lex(void* lvalp, void* llocp); - int lineNumber() const { return m_lineNumber; } - bool prevTerminator() const { return m_terminator; } - SourceCode sourceCode(int openBrace, int closeBrace, int firstLine); - bool scanRegExp(const Identifier*& pattern, const Identifier*& flags, UChar patternPrefix = 0); - bool skipRegExp(); - - // Functions for use after parsing. - bool sawError() const { return m_error; } - void clear(); - - private: - friend class JSGlobalData; - - Lexer(JSGlobalData*); - ~Lexer(); - - void shift1(); - void shift2(); - void shift3(); - void shift4(); - void shiftLineTerminator(); - - void record8(int); - void record16(int); - void record16(UChar); - - void copyCodeWithoutBOMs(); - - int currentOffset() const; - const UChar* currentCharacter() const; - - const Identifier* makeIdentifier(const UChar* characters, size_t length); - - bool lastTokenWasRestrKeyword() const; - - static const size_t initialReadBufferCapacity = 32; - - int m_lineNumber; - - Vector<char> m_buffer8; - Vector<UChar> m_buffer16; - bool m_terminator; - bool m_delimited; // encountered delimiter like "'" and "}" on last run - int m_lastToken; - - const SourceCode* m_source; - const UChar* m_code; - const UChar* m_codeStart; - const UChar* m_codeEnd; - bool m_isReparsing; - bool m_atLineStart; - bool m_error; - - // current and following unicode characters (int to allow for -1 for end-of-file marker) - int m_current; - int m_next1; - int m_next2; - int m_next3; - - IdentifierArena* m_arena; - - JSGlobalData* m_globalData; - - const HashTable m_keywordTable; - - Vector<UChar> m_codeWithoutBOMs; - }; - - inline bool Lexer::isWhiteSpace(int ch) - { - return isASCII(ch) ? (ch == ' ' || ch == '\t' || ch == 0xB || ch == 0xC) : WTF::Unicode::isSeparatorSpace(ch); - } - - inline bool Lexer::isLineTerminator(int ch) - { - return ch == '\r' || ch == '\n' || (ch & ~1) == 0x2028; - } - - inline unsigned char Lexer::convertHex(int c1, int c2) - { - return (toASCIIHexValue(c1) << 4) | toASCIIHexValue(c2); - } - - inline UChar Lexer::convertUnicode(int c1, int c2, int c3, int c4) - { - return (convertHex(c1, c2) << 8) | convertHex(c3, c4); - } - - // A bridge for yacc from the C world to the C++ world. - inline int jscyylex(void* lvalp, void* llocp, void* globalData) - { - return static_cast<JSGlobalData*>(globalData)->lexer->lex(lvalp, llocp); - } - -} // namespace JSC - -#endif // Lexer_h |