1 /* 2 * Copyright (C) 1999-2001 Harri Porten (porten (at) kde.org) 3 * Copyright (C) 2001 Peter Kelly (pmk (at) post.com) 4 * Copyright (C) 2003, 2007 Apple Inc. 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 "Completion.h" 25 26 #include "CallFrame.h" 27 #include "JSGlobalObject.h" 28 #include "JSLock.h" 29 #include "Interpreter.h" 30 #include "Parser.h" 31 #include "Debugger.h" 32 #include "WTFThreadData.h" 33 #include <stdio.h> 34 35 namespace JSC { 36 37 Completion checkSyntax(ExecState* exec, const SourceCode& source) 38 { 39 JSLock lock(exec); 40 ASSERT(exec->globalData().identifierTable == wtfThreadData().currentIdentifierTable()); 41 42 ProgramExecutable* program = ProgramExecutable::create(exec, source); 43 JSObject* error = program->checkSyntax(exec); 44 if (error) 45 return Completion(Throw, error); 46 47 return Completion(Normal); 48 } 49 50 Completion evaluate(ExecState* exec, ScopeChainNode* scopeChain, const SourceCode& source, JSValue thisValue) 51 { 52 JSLock lock(exec); 53 ASSERT(exec->globalData().identifierTable == wtfThreadData().currentIdentifierTable()); 54 55 ProgramExecutable* program = ProgramExecutable::create(exec, source); 56 if (!program) { 57 JSValue exception = exec->globalData().exception; 58 exec->globalData().exception = JSValue(); 59 return Completion(Throw, exception); 60 } 61 62 JSObject* thisObj = (!thisValue || thisValue.isUndefinedOrNull()) ? exec->dynamicGlobalObject() : thisValue.toObject(exec); 63 64 JSValue result = exec->interpreter()->execute(program, exec, scopeChain, thisObj); 65 66 if (exec->hadException()) { 67 JSValue exception = exec->exception(); 68 exec->clearException(); 69 70 ComplType exceptionType = Throw; 71 if (exception.isObject()) 72 exceptionType = asObject(exception)->exceptionType(); 73 return Completion(exceptionType, exception); 74 } 75 return Completion(Normal, result); 76 } 77 78 } // namespace JSC 79