/usr/include/KF5/kjs/Parser.h is in libkf5kjs-dev 5.28.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 | /*
* This file is part of the KDE libraries
* Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
* Copyright (C) 2003, 2006, 2007 Apple Inc.
*
* 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 Parser_h
#define Parser_h
#include <wtf/Forward.h>
#include <wtf/Noncopyable.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
namespace KJS
{
class Node;
class FunctionBodyNode;
class ProgramNode;
class UString;
struct UChar;
/**
* @internal
*
* Parses ECMAScript source code and converts into ProgramNode objects, which
* represent the root of a parse tree. The tree is then semantically
* checked with a semantic analyzer. This class provides a convenient
* workaround for the problem of the bison parser working in a static context.
*/
class Parser : Noncopyable
{
public:
PassRefPtr<ProgramNode> parseProgram(const UString &sourceURL, int startingLineNumber,
const UChar *code, unsigned length,
int *sourceId = 0, int *errLine = 0, UString *errMsg = 0);
PassRefPtr<FunctionBodyNode> parseFunctionBody(const UString &sourceURL, int startingLineNumber,
const UChar *code, unsigned length,
int *sourceId = 0, int *errLine = 0, UString *errMsg = 0);
int sourceId()
{
return m_sourceId;
}
void didFinishParsing(PassRefPtr<ProgramNode>);
static void noteNodeCycle(Node *);
static void removeNodeCycle(Node *);
// We keep track of various flags about the function body we're
// tracking on a stack; the FunctionBody ctor pops them off
// when we're done parsing and are making the body node.
void pushFunctionContext(unsigned initialFlags);
void setFunctionFlags(unsigned newFlags);
unsigned popFunctionContext();
private:
friend Parser &parser();
Parser(); // Use parser() instead.
void parse(const UString &sourceURL, int startingLineNumber,
const UChar *code, unsigned length,
int *sourceId = 0, int *errLine = 0, UString *errMsg = 0);
int m_sourceId;
RefPtr<ProgramNode> m_progNode;
WTF::Vector<unsigned, 8> m_functionFlags;
};
Parser &parser(); // Returns the singleton JavaScript parser.
inline void Parser::pushFunctionContext(unsigned initialFlags)
{
m_functionFlags.append(initialFlags);
}
inline void Parser::setFunctionFlags(unsigned newFlags)
{
m_functionFlags.last() |= newFlags;
}
inline unsigned Parser::popFunctionContext()
{
unsigned flags = m_functionFlags.last();
m_functionFlags.removeLast();
return flags;
}
} // namespace KJS
#endif // Parser_h
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