JavaScriptCore-521.tar.gz

[apple/javascriptcore.git] / runtime / Completion.cpp

diff --git a/runtime/Completion.cpp b/runtime/Completion.cpp
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+++ b/runtime/Completion.cpp
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+/*
+ *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
+ *  Copyright (C) 2001 Peter Kelly (pmk@post.com)
+ *  Copyright (C) 2003, 2007 Apple Inc.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+#include "Completion.h"
+
+#include "CallFrame.h"
+#include "JSGlobalObject.h"
+#include "JSLock.h"
+#include "Interpreter.h"
+#include "Parser.h"
+#include "Debugger.h"
+#include <stdio.h>
+
+#if !PLATFORM(WIN_OS)
+#include <unistd.h>
+#endif
+
+namespace JSC {
+
+Completion checkSyntax(ExecState* exec, const SourceCode& source)
+{
+    JSLock lock(exec);
+
+    int errLine;
+    UString errMsg;
+
+    RefPtr<ProgramNode> progNode = exec->globalData().parser->parse<ProgramNode>(exec, exec->dynamicGlobalObject()->debugger(), source, &errLine, &errMsg);
+    if (!progNode)
+        return Completion(Throw, Error::create(exec, SyntaxError, errMsg, errLine, source.provider()->asID(), source.provider()->url()));
+    return Completion(Normal);
+}
+
+Completion evaluate(ExecState* exec, ScopeChain& scopeChain, const SourceCode& source, JSValuePtr thisValue)
+{
+    JSLock lock(exec);
+    
+    int errLine;
+    UString errMsg;
+    RefPtr<ProgramNode> programNode = exec->globalData().parser->parse<ProgramNode>(exec, exec->dynamicGlobalObject()->debugger(), source, &errLine, &errMsg);
+
+    if (!programNode)
+        return Completion(Throw, Error::create(exec, SyntaxError, errMsg, errLine, source.provider()->asID(), source.provider()->url()));
+
+    JSObject* thisObj = (!thisValue || thisValue.isUndefinedOrNull()) ? exec->dynamicGlobalObject() : thisValue.toObject(exec);
+
+    JSValuePtr exception = noValue();
+    JSValuePtr result = exec->interpreter()->execute(programNode.get(), exec, scopeChain.node(), thisObj, &exception);
+
+    if (exception) {
+        if (exception.isObject() && asObject(exception)->isWatchdogException())
+            return Completion(Interrupted, exception);
+        return Completion(Throw, exception);
+    }
+    return Completion(Normal, result);
+}
+
+} // namespace JSC