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 #include "config.h"
24 #include "Parser.h"
25
26 #include "Debugger.h"
27 #include "Lexer.h"
28 #include <wtf/HashSet.h>
29 #include <wtf/Vector.h>
30 #include <memory>
31
32 using std::auto_ptr;
33
34 #ifndef yyparse
35 extern int jscyyparse(void*);
36 #endif
37
38 #ifdef ANDROID_INSTRUMENT
39 #include "TimeCounter.h"
40 #endif
41
42 namespace JSC {
43
parse(JSGlobalData * globalData,int * errLine,UString * errMsg)44 void Parser::parse(JSGlobalData* globalData, int* errLine, UString* errMsg)
45 {
46 #ifdef ANDROID_INSTRUMENT
47 android::TimeCounter::start(android::TimeCounter::JavaScriptParseTimeCounter);
48 #endif
49 m_sourceElements = 0;
50
51 int defaultErrLine;
52 UString defaultErrMsg;
53
54 if (!errLine)
55 errLine = &defaultErrLine;
56 if (!errMsg)
57 errMsg = &defaultErrMsg;
58
59 *errLine = -1;
60 *errMsg = UString();
61
62 Lexer& lexer = *globalData->lexer;
63 lexer.setCode(*m_source, m_arena);
64
65 int parseError = jscyyparse(globalData);
66 bool lexError = lexer.sawError();
67 int lineNumber = lexer.lineNumber();
68 lexer.clear();
69
70 if (parseError || lexError) {
71 *errLine = lineNumber;
72 *errMsg = "Parse error";
73 m_sourceElements = 0;
74 }
75 #ifdef ANDROID_INSTRUMENT
76 android::TimeCounter::record(android::TimeCounter::JavaScriptParseTimeCounter, __FUNCTION__);
77 #endif
78 }
79
didFinishParsing(SourceElements * sourceElements,ParserArenaData<DeclarationStacks::VarStack> * varStack,ParserArenaData<DeclarationStacks::FunctionStack> * funcStack,CodeFeatures features,int lastLine,int numConstants)80 void Parser::didFinishParsing(SourceElements* sourceElements, ParserArenaData<DeclarationStacks::VarStack>* varStack,
81 ParserArenaData<DeclarationStacks::FunctionStack>* funcStack, CodeFeatures features, int lastLine, int numConstants)
82 {
83 m_sourceElements = sourceElements;
84 m_varDeclarations = varStack;
85 m_funcDeclarations = funcStack;
86 m_features = features;
87 m_lastLine = lastLine;
88 m_numConstants = numConstants;
89 }
90
91 } // namespace JSC
92