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 "JSParser.h"
28 #include "Lexer.h"
29
30 #ifdef ANDROID_INSTRUMENT
31 #include "TimeCounter.h"
32 #endif
33
34 namespace JSC {
35
parse(JSGlobalData * globalData,FunctionParameters * parameters,JSParserStrictness strictness,JSParserMode mode,int * errLine,UString * errMsg)36 void Parser::parse(JSGlobalData* globalData, FunctionParameters* parameters, JSParserStrictness strictness, JSParserMode mode, int* errLine, UString* errMsg)
37 {
38 #ifdef ANDROID_INSTRUMENT
39 android::TimeCounter::start(android::TimeCounter::JavaScriptParseTimeCounter);
40 #endif
41 ASSERT(globalData);
42 m_sourceElements = 0;
43
44 int defaultErrLine;
45 UString defaultErrMsg;
46
47 if (!errLine)
48 errLine = &defaultErrLine;
49 if (!errMsg)
50 errMsg = &defaultErrMsg;
51
52 *errLine = -1;
53 *errMsg = UString();
54
55 Lexer& lexer = *globalData->lexer;
56 lexer.setCode(*m_source, m_arena);
57
58 const char* parseError = jsParse(globalData, parameters, strictness, mode, m_source);
59 int lineNumber = lexer.lineNumber();
60 bool lexError = lexer.sawError();
61 lexer.clear();
62
63 if (parseError || lexError) {
64 *errLine = lineNumber;
65 *errMsg = parseError ? parseError : "Parse error";
66 m_sourceElements = 0;
67 }
68 #ifdef ANDROID_INSTRUMENT
69 android::TimeCounter::record(android::TimeCounter::JavaScriptParseTimeCounter, __FUNCTION__);
70 #endif
71 }
72
didFinishParsing(SourceElements * sourceElements,ParserArenaData<DeclarationStacks::VarStack> * varStack,ParserArenaData<DeclarationStacks::FunctionStack> * funcStack,CodeFeatures features,int lastLine,int numConstants,IdentifierSet & capturedVars)73 void Parser::didFinishParsing(SourceElements* sourceElements, ParserArenaData<DeclarationStacks::VarStack>* varStack,
74 ParserArenaData<DeclarationStacks::FunctionStack>* funcStack, CodeFeatures features, int lastLine, int numConstants, IdentifierSet& capturedVars)
75 {
76 m_sourceElements = sourceElements;
77 m_varDeclarations = varStack;
78 m_funcDeclarations = funcStack;
79 m_capturedVariables.swap(capturedVars);
80 m_features = features;
81 m_lastLine = lastLine;
82 m_numConstants = numConstants;
83 }
84
85 } // namespace JSC
86