webkitgtk-2.10.2webkitgtk-2.10.2

1 files changed, 111 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/runtime/Completion.cpp b/Source/JavaScriptCore/runtime/Completion.cpp
new file mode 100644
index 000000000..a3daee603
--- /dev/null
+++ b/Source/JavaScriptCore/runtime/Completion.cpp
@@ -0,0 +1,111 @@
+/*
+ *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
+ *  Copyright (C) 2001 Peter Kelly (pmk@post.com)
+ *  Copyright (C) 2003, 2007, 2013 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 "CodeProfiling.h"
+#include "Debugger.h"
+#include "Exception.h"
+#include "Interpreter.h"
+#include "JSGlobalObject.h"
+#include "JSLock.h"
+#include "JSCInlines.h"
+#include "ModuleAnalyzer.h"
+#include "ModuleRecord.h"
+#include "Parser.h"
+#include <wtf/WTFThreadData.h>
+
+namespace JSC {
+
+bool checkSyntax(ExecState* exec, const SourceCode& source, JSValue* returnedException)
+{
+    JSLockHolder lock(exec);
+    RELEASE_ASSERT(exec->vm().atomicStringTable() == wtfThreadData().atomicStringTable());
+
+    ProgramExecutable* program = ProgramExecutable::create(exec, source);
+    JSObject* error = program->checkSyntax(exec);
+    if (error) {
+        if (returnedException)
+            *returnedException = error;
+        return false;
+    }
+
+    return true;
+}
+    
+bool checkSyntax(VM& vm, const SourceCode& source, ParserError& error)
+{
+    JSLockHolder lock(vm);
+    RELEASE_ASSERT(vm.atomicStringTable() == wtfThreadData().atomicStringTable());
+    return !!parse<ProgramNode>(
+        &vm, source, Identifier(), JSParserBuiltinMode::NotBuiltin,
+        JSParserStrictMode::NotStrict, SourceParseMode::ProgramMode, error);
+}
+
+bool checkModuleSyntax(VM& vm, const SourceCode& source, ParserError& error)
+{
+    JSLockHolder lock(vm);
+    RELEASE_ASSERT(vm.atomicStringTable() == wtfThreadData().atomicStringTable());
+    std::unique_ptr<ModuleProgramNode> moduleProgramNode = parse<ModuleProgramNode>(
+        &vm, source, Identifier(), JSParserBuiltinMode::NotBuiltin,
+        JSParserStrictMode::Strict, SourceParseMode::ModuleAnalyzeMode, error);
+    if (!moduleProgramNode)
+        return false;
+
+    ModuleAnalyzer moduleAnalyzer(vm, moduleProgramNode->varDeclarations(), moduleProgramNode->lexicalVariables());
+    moduleAnalyzer.analyze(*moduleProgramNode);
+    return true;
+}
+
+JSValue evaluate(ExecState* exec, const SourceCode& source, JSValue thisValue, NakedPtr<Exception>& returnedException)
+{
+    JSLockHolder lock(exec);
+    RELEASE_ASSERT(exec->vm().atomicStringTable() == wtfThreadData().atomicStringTable());
+    RELEASE_ASSERT(!exec->vm().isCollectorBusy());
+
+    CodeProfiling profile(source);
+
+    ProgramExecutable* program = ProgramExecutable::create(exec, source);
+    if (!program) {
+        returnedException = exec->vm().exception();
+        exec->vm().clearException();
+        return jsUndefined();
+    }
+
+    if (!thisValue || thisValue.isUndefinedOrNull())
+        thisValue = exec->vmEntryGlobalObject();
+    JSObject* thisObj = jsCast<JSObject*>(thisValue.toThis(exec, NotStrictMode));
+    JSValue result = exec->interpreter()->execute(program, exec, thisObj);
+
+    if (exec->hadException()) {
+        returnedException = exec->exception();
+        exec->clearException();
+        return jsUndefined();
+    }
+
+    RELEASE_ASSERT(result);
+    return result;
+}
+
+} // namespace JSC