1 | /* |
2 | * Copyright (C) 1999-2001 Harri Porten (porten@kde.org) |
3 | * Copyright (C) 2001 Peter Kelly (pmk@post.com) |
4 | * Copyright (C) 2003, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. |
5 | * |
6 | * This library is free software; you can redistribute it and/or |
7 | * modify it under the terms of the GNU Library General Public |
8 | * License as published by the Free Software Foundation; either |
9 | * version 2 of the License, or (at your option) any later version. |
10 | * |
11 | * This library is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | * Library General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU Library General Public License |
17 | * along with this library; see the file COPYING.LIB. If not, write to |
18 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
19 | * Boston, MA 02110-1301, USA. |
20 | * |
21 | */ |
22 | |
23 | #ifndef Parser_h |
24 | #define Parser_h |
25 | |
26 | #include "Debugger.h" |
27 | #include "Executable.h" |
28 | #include "JSGlobalObject.h" |
29 | #include "Lexer.h" |
30 | #include "Nodes.h" |
31 | #include "ParserArena.h" |
32 | #include "SourceProvider.h" |
33 | #include <wtf/Forward.h> |
34 | #include <wtf/Noncopyable.h> |
35 | #include <wtf/OwnPtr.h> |
36 | #include <wtf/RefPtr.h> |
37 | |
38 | namespace JSC { |
39 | |
40 | class FunctionBodyNode; |
41 | class ProgramNode; |
42 | class UString; |
43 | |
44 | template <typename T> struct ParserArenaData : ParserArenaDeletable { T data; }; |
45 | |
46 | class Parser : public Noncopyable { |
47 | public: |
48 | template <class ParsedNode> |
49 | PassRefPtr<ParsedNode> parse(JSGlobalData* globalData, Debugger*, ExecState*, const SourceCode& source, int* errLine = 0, UString* errMsg = 0); |
50 | |
51 | void didFinishParsing(SourceElements*, ParserArenaData<DeclarationStacks::VarStack>*, |
52 | ParserArenaData<DeclarationStacks::FunctionStack>*, CodeFeatures features, int lastLine, int numConstants); |
53 | |
54 | ParserArena& arena() { return m_arena; } |
55 | |
56 | private: |
57 | void parse(JSGlobalData*, int* errLine, UString* errMsg); |
58 | |
59 | ParserArena m_arena; |
60 | const SourceCode* m_source; |
61 | SourceElements* m_sourceElements; |
62 | ParserArenaData<DeclarationStacks::VarStack>* m_varDeclarations; |
63 | ParserArenaData<DeclarationStacks::FunctionStack>* m_funcDeclarations; |
64 | CodeFeatures m_features; |
65 | int m_lastLine; |
66 | int m_numConstants; |
67 | }; |
68 | |
69 | template <class ParsedNode> |
70 | PassRefPtr<ParsedNode> Parser::parse(JSGlobalData* globalData, Debugger* debugger, ExecState* debuggerExecState, const SourceCode& source, int* errLine, UString* errMsg) |
71 | { |
72 | m_source = &source; |
73 | if (ParsedNode::scopeIsFunction) |
74 | globalData->lexer->setIsReparsing(); |
75 | parse(globalData, errLine, errMsg); |
76 | |
77 | RefPtr<ParsedNode> result; |
78 | if (m_sourceElements) { |
79 | result = ParsedNode::create(globalData, |
80 | m_sourceElements, |
81 | m_varDeclarations ? &m_varDeclarations->data : 0, |
82 | m_funcDeclarations ? &m_funcDeclarations->data : 0, |
83 | source, |
84 | m_features, |
85 | m_numConstants); |
86 | result->setLoc(m_source->firstLine(), m_lastLine); |
87 | } |
88 | |
89 | m_arena.reset(); |
90 | |
91 | m_source = 0; |
92 | m_sourceElements = 0; |
93 | m_varDeclarations = 0; |
94 | m_funcDeclarations = 0; |
95 | |
96 | if (debugger && !ParsedNode::scopeIsFunction) |
97 | debugger->sourceParsed(debuggerExecState, source, errorLineNumber: *errLine, errorMessage: *errMsg); |
98 | return result.release(); |
99 | } |
100 | |
101 | } // namespace JSC |
102 | |
103 | #endif // Parser_h |
104 | |