kjs Library: interpreter.cpp Source File (kjs Library)

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# interpreter.cpp

    00001 // -*- c-basic-offset: 2 -*-
    00002 /*
    00003  *  This file is part of the KDE libraries
    00004  *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
    00005  *  Copyright (C) 2001 Peter Kelly (pmk@post.com)
    00006  *  Copyright (C) 2003 Apple Computer, Inc.
    00007  *
    00008  *  This library is free software; you can redistribute it and/or
    00009  *  modify it under the terms of the GNU Library General Public
    00010  *  License as published by the Free Software Foundation; either
    00011  *  version 2 of the License, or (at your option) any later version.
    00012  *
    00013  *  This library is distributed in the hope that it will be useful,
    00014  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
    00015  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00016  *  Library General Public License for more details.
    00017  *
    00018  *  You should have received a copy of the GNU Library General Public License
    00019  *  along with this library; see the file COPYING.LIB.  If not, write to
    00020  *  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    00021  *  Boston, MA 02111-1307, USA.
    00022  *
    00023  */
    00024
    00025 #include "value.h"
    00026 #include "object.h"
    00027 #include "types.h"
    00028 #include "interpreter.h"
    00029
    00030 #include <assert.h>
    00031 #include <math.h>
    00032 #include <stdio.h>
    00033
    00034 #include "internal.h"
    00035 #include "collector.h"
    00036 #include "operations.h"
    00037 #include "error_object.h"
    00038 #include "debugger.h"
    00039 #include "nodes.h"
    00040 #include "context.h"
    00041
    00042 using namespace KJS;
    00043
    00044 // ------------------------------ Context --------------------------------------
    00045
    00046 const ScopeChain &Context::scopeChain() const
    00047 {
    00048   return rep->scopeChain();
    00049 }
    00050
    00051 Object Context::variableObject() const
    00052 {
    00053   return rep->variableObject();
    00054 }
    00055
    00056 Object Context::thisValue() const
    00057 {
    00058   return rep->thisValue();
    00059 }
    00060
    00061 const Context Context::callingContext() const
    00062 {
    00063   return rep->callingContext();
    00064 }
    00065
    00066 CodeType Context::codeType() const
    00067 {
    00068   return rep->codeType;
    00069 }
    00070
    00071 int Context::sourceId() const
    00072 {
    00073   return rep->sourceId;
    00074 }
    00075
    00076 int Context::curStmtFirstLine() const
    00077 {
    00078   return rep->line0;
    00079 }
    00080
    00081 int Context::curStmtLastLine() const
    00082 {
    00083   return rep->line1;
    00084 }
    00085
    00086 Object Context::function() const
    00087 {
    00088   return Object(rep->function());
    00089 }
    00090
    00091 Identifier Context::functionName() const
    00092 {
    00093   return rep->functionName;
    00094 }
    00095
    00096 List Context::args() const
    00097 {
    00098   return rep->args;
    00099 }
    00100
    00101 bool KJS::operator==(const Context &c1, const Context &c2)
    00102 {
    00103   return (c1.imp() == c2.imp());
    00104 }
    00105
    00106 bool KJS::operator!=(const Context &c1, const Context &c2)
    00107 {
    00108   return (c1.imp() != c2.imp());
    00109 }
    00110
    00111 // ------------------------------ Interpreter ---------------------------------
    00112
    00113 Interpreter::Interpreter(const Object &global)
    00114 {
    00115   rep = new InterpreterImp(this,global);
    00116 }
    00117
    00118 Interpreter::Interpreter()
    00119 {
    00120   Object global(new ObjectImp());
    00121   rep = new InterpreterImp(this,global);
    00122 }
    00123
    00124 Interpreter::~Interpreter()
    00125 {
    00126   delete rep;
    00127 }
    00128
    00129 Object &Interpreter::globalObject() const
    00130 {
    00131   return rep->globalObject();
    00132 }
    00133
    00134 void Interpreter::initGlobalObject()
    00135 {
    00136   rep->initGlobalObject();
    00137 }
    00138
    00139 void Interpreter::lock()
    00140 {
    00141   InterpreterImp::lock();
    00142 }
    00143
    00144 void Interpreter::unlock()
    00145 {
    00146   InterpreterImp::unlock();
    00147 }
    00148
    00149 ExecState *Interpreter::globalExec()
    00150 {
    00151   return rep->globalExec();
    00152 }
    00153
    00154 bool Interpreter::checkSyntax(const UString &code, int *errLine, UString *errMsg)
    00155 {
    00156   return rep->checkSyntax(code,errLine,errMsg);
    00157 }
    00158
    00159 bool Interpreter::checkSyntax(const UString &code)
    00160 {
    00161   return rep->checkSyntax(code);
    00162 }
    00163
    00164 Completion Interpreter::evaluate(const UString &code, const Value &thisV)
    00165 {
    00166   return rep->evaluate(code,thisV);
    00167 }
    00168
    00169 InterpreterImp *Interpreter::imp()
    00170 {
    00171   return rep;
    00172 }
    00173
    00174 Object Interpreter::builtinObject() const
    00175 {
    00176   return rep->builtinObject();
    00177 }
    00178
    00179 Object Interpreter::builtinFunction() const
    00180 {
    00181   return rep->builtinFunction();
    00182 }
    00183
    00184 Object Interpreter::builtinArray() const
    00185 {
    00186   return rep->builtinArray();
    00187 }
    00188
    00189 Object Interpreter::builtinBoolean() const
    00190 {
    00191   return rep->builtinBoolean();
    00192 }
    00193
    00194 Object Interpreter::builtinString() const
    00195 {
    00196   return rep->builtinString();
    00197 }
    00198
    00199 Object Interpreter::builtinNumber() const
    00200 {
    00201   return rep->builtinNumber();
    00202 }
    00203
    00204 Object Interpreter::builtinDate() const
    00205 {
    00206   return rep->builtinDate();
    00207 }
    00208
    00209 Object Interpreter::builtinRegExp() const
    00210 {
    00211   return rep->builtinRegExp();
    00212 }
    00213
    00214 Object Interpreter::builtinError() const
    00215 {
    00216   return rep->builtinError();
    00217 }
    00218
    00219 Object Interpreter::builtinObjectPrototype() const
    00220 {
    00221   return rep->builtinObjectPrototype();
    00222 }
    00223
    00224 Object Interpreter::builtinFunctionPrototype() const
    00225 {
    00226   return rep->builtinFunctionPrototype();
    00227 }
    00228
    00229 Object Interpreter::builtinArrayPrototype() const
    00230 {
    00231   return rep->builtinArrayPrototype();
    00232 }
    00233
    00234 Object Interpreter::builtinBooleanPrototype() const
    00235 {
    00236   return rep->builtinBooleanPrototype();
    00237 }
    00238
    00239 Object Interpreter::builtinStringPrototype() const
    00240 {
    00241   return rep->builtinStringPrototype();
    00242 }
    00243
    00244 Object Interpreter::builtinNumberPrototype() const
    00245 {
    00246   return rep->builtinNumberPrototype();
    00247 }
    00248
    00249 Object Interpreter::builtinDatePrototype() const
    00250 {
    00251   return rep->builtinDatePrototype();
    00252 }
    00253
    00254 Object Interpreter::builtinRegExpPrototype() const
    00255 {
    00256   return rep->builtinRegExpPrototype();
    00257 }
    00258
    00259 Object Interpreter::builtinErrorPrototype() const
    00260 {
    00261   return rep->builtinErrorPrototype();
    00262 }
    00263
    00264 Object Interpreter::builtinEvalError() const
    00265 {
    00266   return rep->builtinEvalError();
    00267 }
    00268
    00269 Object Interpreter::builtinRangeError() const
    00270 {
    00271   return rep->builtinRangeError();
    00272 }
    00273
    00274 Object Interpreter::builtinReferenceError() const
    00275 {
    00276   return rep->builtinReferenceError();
    00277 }
    00278
    00279 Object Interpreter::builtinSyntaxError() const
    00280 {
    00281   return rep->builtinSyntaxError();
    00282 }
    00283
    00284 Object Interpreter::builtinTypeError() const
    00285 {
    00286   return rep->builtinTypeError();
    00287 }
    00288
    00289 Object Interpreter::builtinURIError() const
    00290 {
    00291   return rep->builtinURIError();
    00292 }
    00293
    00294 Object Interpreter::builtinEvalErrorPrototype() const
    00295 {
    00296   return rep->builtinEvalErrorPrototype();
    00297 }
    00298
    00299 Object Interpreter::builtinRangeErrorPrototype() const
    00300 {
    00301   return rep->builtinRangeErrorPrototype();
    00302 }
    00303
    00304 Object Interpreter::builtinReferenceErrorPrototype() const
    00305 {
    00306   return rep->builtinReferenceErrorPrototype();
    00307 }
    00308
    00309 Object Interpreter::builtinSyntaxErrorPrototype() const
    00310 {
    00311   return rep->builtinSyntaxErrorPrototype();
    00312 }
    00313
    00314 Object Interpreter::builtinTypeErrorPrototype() const
    00315 {
    00316   return rep->builtinTypeErrorPrototype();
    00317 }
    00318
    00319 Object Interpreter::builtinURIErrorPrototype() const
    00320 {
    00321   return rep->builtinURIErrorPrototype();
    00322 }
    00323
    00324 void Interpreter::setCompatMode(CompatMode mode)
    00325 {
    00326   rep->setCompatMode(mode);
    00327 }
    00328
    00329 Interpreter::CompatMode Interpreter::compatMode() const
    00330 {
    00331   return rep->compatMode();
    00332 }
    00333
    00334 bool Interpreter::collect()
    00335 {
    00336   return Collector::collect();
    00337 }
    00338
    00339 #ifdef KJS_DEBUG_MEM
    00340 #include "lexer.h"
    00341 void Interpreter::finalCheck()
    00342 {
    00343   fprintf(stderr,"Interpreter::finalCheck()\n");
    00344   // Garbage collect - as many times as necessary
    00345   // (we could delete an object which was holding another object, so
    00346   // the deref() will happen too late for deleting the impl of the 2nd object).
    00347   while( Collector::collect() )
    00348     ;
    00349
    00350   Node::finalCheck();
    00351   Collector::finalCheck();
    00352   Lexer::globalClear();
    00353   UString::globalClear();
    00354 }
    00355 #endif
    00356
    00357 // ------------------------------ ExecState --------------------------------------
    00358
    00359 void ExecState::setException(const Value &e)
    00360 {
    00361   if (e.isValid()) {
    00362     Debugger *dbg = _interpreter->imp()->debugger();
    00363     if (dbg)
    00364       dbg->exception(this,e,_context->inTryCatch());
    00365   }
    00366   _exception = e;
    00367 }
    00368
    00369 void ExecState::clearException()
    00370 {
    00371   terminate_request = false;
    00372   _exception = Value();
    00373 }
    00374
    00375 bool ExecState::terminate_request = false;
    00376
    00377 static bool defaultConfirm() { return true; }
    00378
    00379 bool (*ExecState::confirmTerminate)() = defaultConfirm;
    00380
    00381 bool ExecState::hadException()
    00382 {
    00383   if (terminate_request) {
    00384     if (confirmTerminate())
    00385       _exception = Error::create((ExecState*)this);
    00386     terminate_request = false;
    00387   }
    00388   return _exception.isValid();
    00389 }
    00390
    00391 void Interpreter::virtual_hook( int, void* )
    00392 { /*BASE::virtual_hook( id, data );*/ }

This file is part of the documentation for kjs Library Version 3.4.1.
Documentation copyright © 1996-2004 the KDE developers.
Generated on Sat Jun 11 20:23:06 2005 by doxygen 1.4.1 written by Dimitri van Heesch, © 1997-2003