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
|
/*
* Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
* Copyright (C) 2003, 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 Parser_h
#define Parser_h
#include "Debugger.h"
#include "Executable.h"
#include "JSGlobalObject.h"
#include "Lexer.h"
#include "Nodes.h"
#include "ParserArena.h"
#include "SourceProvider.h"
#include <wtf/Forward.h>
#include <wtf/Noncopyable.h>
#include <wtf/OwnPtr.h>
#include <wtf/RefPtr.h>
namespace JSC {
class FunctionBodyNode;
class ProgramNode;
class UString;
template <typename T> struct ParserArenaData : ParserArenaDeletable { T data; };
class Parser : public Noncopyable {
public:
template <class ParsedNode>
PassRefPtr<ParsedNode> parse(JSGlobalData* globalData, Debugger*, ExecState*, const SourceCode& source, int* errLine = 0, UString* errMsg = 0);
void didFinishParsing(SourceElements*, ParserArenaData<DeclarationStacks::VarStack>*,
ParserArenaData<DeclarationStacks::FunctionStack>*, CodeFeatures features, int lastLine, int numConstants);
ParserArena& arena() { return m_arena; }
private:
void parse(JSGlobalData*, int* errLine, UString* errMsg);
ParserArena m_arena;
const SourceCode* m_source;
SourceElements* m_sourceElements;
ParserArenaData<DeclarationStacks::VarStack>* m_varDeclarations;
ParserArenaData<DeclarationStacks::FunctionStack>* m_funcDeclarations;
CodeFeatures m_features;
int m_lastLine;
int m_numConstants;
};
template <class ParsedNode>
PassRefPtr<ParsedNode> Parser::parse(JSGlobalData* globalData, Debugger* debugger, ExecState* debuggerExecState, const SourceCode& source, int* errLine, UString* errMsg)
{
m_source = &source;
if (ParsedNode::scopeIsFunction)
globalData->lexer->setIsReparsing();
parse(globalData, errLine, errMsg);
RefPtr<ParsedNode> result;
if (m_sourceElements) {
result = ParsedNode::create(globalData,
m_sourceElements,
m_varDeclarations ? &m_varDeclarations->data : 0,
m_funcDeclarations ? &m_funcDeclarations->data : 0,
source,
m_features,
m_numConstants);
result->setLoc(m_source->firstLine(), m_lastLine);
}
m_arena.reset();
m_source = 0;
m_sourceElements = 0;
m_varDeclarations = 0;
m_funcDeclarations = 0;
if (debugger && !ParsedNode::scopeIsFunction)
debugger->sourceParsed(debuggerExecState, source, *errLine, *errMsg);
return result.release();
}
} // namespace JSC
#endif // Parser_h
|
