1 | // -*- c-basic-offset: 4 -*-
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2 | /*
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3 | * This file is part of the KDE libraries
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4 | * Copyright (C) 1999-2001 Harri Porten ([email protected])
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5 | * Copyright (C) 2001 Peter Kelly ([email protected])
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6 | * Copyright (C) 2003, 2006, 2007 Apple Inc.
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7 | *
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8 | * This library is free software; you can redistribute it and/or
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9 | * modify it under the terms of the GNU Library General Public
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10 | * License as published by the Free Software Foundation; either
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11 | * version 2 of the License, or (at your option) any later version.
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12 | *
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13 | * This library is distributed in the hope that it will be useful,
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 | * Library General Public License for more details.
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17 | *
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18 | * You should have received a copy of the GNU Library General Public License
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19 | * along with this library; see the file COPYING.LIB. If not, write to
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20 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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21 | * Boston, MA 02110-1301, USA.
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22 | *
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23 | */
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24 |
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25 | #include "config.h"
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26 | #include "Parser.h"
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27 | #include "debugger.h"
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28 |
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29 | #include "lexer.h"
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30 | #include <wtf/HashSet.h>
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31 | #include <wtf/Vector.h>
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32 |
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33 | extern int kjsyyparse(void*);
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34 |
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35 | namespace KJS {
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36 |
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37 | Parser::Parser()
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38 | : m_sourceId(0)
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39 | {
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40 | }
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41 |
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42 | void Parser::parse(ExecState* exec, const UString& sourceURL, int startingLineNumber,
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43 | PassRefPtr<SourceProvider> prpSource,
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44 | int* sourceId, int* errLine, UString* errMsg)
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45 | {
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46 | ASSERT(!m_sourceElements);
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47 |
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48 | int defaultSourceId;
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49 | int defaultErrLine;
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50 | UString defaultErrMsg;
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51 |
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52 | RefPtr<SourceProvider> source = prpSource;
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53 |
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54 | if (!sourceId)
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55 | sourceId = &defaultSourceId;
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56 | if (!errLine)
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57 | errLine = &defaultErrLine;
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58 | if (!errMsg)
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59 | errMsg = &defaultErrMsg;
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60 |
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61 | *errLine = -1;
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62 | *errMsg = 0;
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63 |
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64 | Lexer& lexer = *JSGlobalData::threadInstance().lexer;
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65 |
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66 | if (startingLineNumber <= 0)
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67 | startingLineNumber = 1;
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68 |
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69 | lexer.setCode(startingLineNumber, source);
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70 | *sourceId = ++m_sourceId;
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71 |
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72 | int parseError = kjsyyparse(&JSGlobalData::threadInstance());
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73 | bool lexError = lexer.sawError();
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74 | lexer.clear();
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75 |
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76 | ParserRefCounted::deleteNewObjects();
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77 |
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78 | if (parseError || lexError) {
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79 | *errLine = lexer.lineNo();
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80 | *errMsg = "Parse error";
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81 | m_sourceElements.clear();
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82 | }
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83 |
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84 | if (Debugger* debugger = exec->dynamicGlobalObject()->debugger())
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85 | debugger->sourceParsed(exec, *sourceId, sourceURL, *source, startingLineNumber, *errLine, *errMsg);
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86 | }
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87 |
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88 | void Parser::didFinishParsing(SourceElements* sourceElements, ParserRefCountedData<DeclarationStacks::VarStack>* varStack,
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89 | ParserRefCountedData<DeclarationStacks::FunctionStack>* funcStack, bool usesEval, bool needsClosure, int lastLine)
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90 | {
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91 | m_sourceElements = sourceElements;
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92 | m_varDeclarations = varStack;
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93 | m_funcDeclarations = funcStack;
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94 | m_usesEval = usesEval;
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95 | m_needsClosure = needsClosure;
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96 | m_lastLine = lastLine;
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97 | }
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98 |
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99 | } // namespace KJS
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