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 <stdio.h> 33 34 namespace JSC { 35 36 Completion checkSyntax(ExecState* exec, const SourceCode& source) 37 { 38 JSLock lock(exec); 39 ASSERT(exec->globalData().identifierTable == currentIdentifierTable()); 40 41 RefPtr<ProgramExecutable> program = ProgramExecutable::create(exec, source); 42 JSObject* error = program->checkSyntax(exec); 43 if (error) 44 return Completion(Throw, error); 45 46 return Completion(Normal); 47 } 48 49 Completion evaluate(ExecState* exec, ScopeChain& scopeChain, const SourceCode& source, JSValue thisValue) 50 { 51 JSLock lock(exec); 52 ASSERT(exec->globalData().identifierTable == currentIdentifierTable()); 53 54 RefPtr<ProgramExecutable> program = ProgramExecutable::create(exec, source); 55 JSObject* error = program->compile(exec, scopeChain.node()); 56 if (error) 57 return Completion(Throw, error); 58 59 JSObject* thisObj = (!thisValue || thisValue.isUndefinedOrNull()) ? exec->dynamicGlobalObject() : thisValue.toObject(exec); 60 61 JSValue exception; 62 JSValue result = exec->interpreter()->execute(program.get(), exec, scopeChain.node(), thisObj, &exception); 63 64 if (exception) { 65 if (exception.isObject() && asObject(exception)->isWatchdogException()) 66 return Completion(Interrupted, exception); 67 return Completion(Throw, exception); 68 } 69 return Completion(Normal, result); 70 } 71 72 } // namespace JSC 73