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 

    37 Completion checkSyntax(ExecState* exec, const SourceCode& source)

    38 {

    39     JSLock lock(exec);

    40     ASSERT(exec->globalData().identifierTable == wtfThreadData().currentIdentifierTable());

    41 

    42     RefPtr<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, ScopeChain& scopeChain, const SourceCode& source, JSValue thisValue)

    51 {

    52     JSLock lock(exec);

    53     ASSERT(exec->globalData().identifierTable == wtfThreadData().currentIdentifierTable());

    54 

    55     RefPtr<ProgramExecutable> program = ProgramExecutable::create(exec, source);

    56     JSObject* error = program->compile(exec, scopeChain.node());

    57     if (error)

    58         return Completion(Throw, error);

    59 

    60     JSObject* thisObj = (!thisValue || thisValue.isUndefinedOrNull()) ? exec->dynamicGlobalObject() : thisValue.toObject(exec);

    61 

    62     JSValue exception;

    63     JSValue result = exec->interpreter()->execute(program.get(), exec, scopeChain.node(), thisObj, &exception);

    64 

    65     if (exception) {

    66         ComplType exceptionType = Throw;

    67         if (exception.isObject())

    68             exceptionType = asObject(exception)->exceptionType();

    69         return Completion(exceptionType, exception);

    70     }

    71     return Completion(Normal, result);

    72 }

    73 

    74 } // namespace JSC