1 /*
2 * Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
3 * Copyright (C) 2001 Peter Kelly (pmk@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
checkSyntax(ExecState * exec,const SourceCode & source)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
evaluate(ExecState * exec,ScopeChainNode * scopeChain,const SourceCode & source,JSValue thisValue)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