internal FunctionObject(Type t, string name, string method_name, string[] formal_parameters, JSLocalField[] fields, bool must_save_stack_locals, bool hasArgumentsObject, string text, VsaEngine engine) : base(engine.Globals.globalObject.originalFunction.originalPrototype, name, formal_parameters.Length)
{
base.engine = engine;
this.formal_parameters = formal_parameters;
this.argumentsSlotNumber = 0;
this.body = null;
this.method = TypeReflector.GetTypeReflectorFor(Globals.TypeRefs.ToReferenceContext(t)).GetMethod(method_name, BindingFlags.Public | BindingFlags.Static);
this.parameterInfos = this.method.GetParameters();
if (!Microsoft.JScript.CustomAttribute.IsDefined(this.method, typeof(JSFunctionAttribute), false))
{
this.isMethod = true;
}
else
{
JSFunctionAttributeEnum attributeValue = ((JSFunctionAttribute) Microsoft.JScript.CustomAttribute.GetCustomAttributes(this.method, typeof(JSFunctionAttribute), false)[0]).attributeValue;
this.isExpandoMethod = (attributeValue & JSFunctionAttributeEnum.IsExpandoMethod) != JSFunctionAttributeEnum.None;
}
this.funcContext = null;
this.own_scope = null;
this.fields = fields;
this.must_save_stack_locals = must_save_stack_locals;
this.hasArgumentsObject = hasArgumentsObject;
this.text = text;
this.attributes = MethodAttributes.Public;
this.globals = engine.Globals;
this.superConstructor = null;
this.superConstructorCall = null;
this.enclosing_scope = this.globals.ScopeStack.Peek();
base.noExpando = false;
this.clsCompliance = CLSComplianceSpec.NotAttributed;
}
public JSScanner(Context sourceContext)
{
this.IsAuthoring = false;
this.peekModeOn = false;
this.keywords = s_Keywords;
this.preProcessorOn = false;
this.matchIf = 0;
this.ppTable = null;
this.SetSource(sourceContext);
this.currentDocument = null;
this.globals = sourceContext.document.engine.Globals;
}
//---------------------------------------------------------------------------------------
// JSParser
//
// create a parser with a context. The context is the code that has to be compiled.
// Typically used by the runtime
//---------------------------------------------------------------------------------------
public JSParser(Context context){
this.sourceContext = context;
this.currentToken = context.Clone();
this.scanner = new JSScanner(this.currentToken);
this.noSkipTokenSet = new NoSkipTokenSet();
this.errorToken = null;
this.program = null;
this.blockType = new ArrayList(16);
this.labelTable = new SimpleHashtable(16);
this.finallyEscaped = 0;
this.Globals = context.document.engine.Globals;
this.Severity = 5;
}
public JSScanner(){
this.keywords = JSScanner.s_Keywords;
this.strSourceCode = null;
this.startPos = 0;
this.endPos = 0;
this.currentPos = 0;
this.currentLine = 1;
this.startLinePos = 0;
this.currentToken = null;
this.escapedString = null;
this.identifier = new StringBuilder(128);
this.idLastPosOnBuilder = 0;
this.gotEndOfLine = false;
this.IsAuthoring = false;
this.peekModeOn = false;
this.preProcessorOn = false;
this.matchIf = 0;
this.ppTable = null;
this.currentDocument = null;
this.globals = null;
this.scanForDebugger = false;
}
protected override void ResetCompiledState(){
if (this.globalScope != null){
this.globalScope.Reset();
this.globalScope = null;
}
this.classCounter = 0;
this.haveCompiledState = false;
this.failedCompilation = true;
this.compiledRootNamespace = null;
this.startupClass = null;
this.compilerGlobals = null;
this.globals = null;
foreach (Object item in this.vsaItems)
((VsaItem)item).Reset();
this.implicitAssemblies = null;
this.implicitAssemblyCache = null;
this.cachedTypeLookups = null;
this.isEngineCompiled = false;
this.isEngineRunning = false;
this.isCompilerSet = false;
this.packages = null;
this.DeleteCachedCompiledState();
}
public VsaEngine(bool fast) : base("JScript", "7.0.3300.0", true){
this.alwaysGenerateIL = false;
this.autoRef = false;
this.doCRS = false;
this.doFast = fast;
this.cachedPEFileName = "";
this.genDebugInfo = false;
this.genStartupClass = true;
this.doPrint = false;
this.doWarnAsError = false;
this.nWarningLevel = 4;
this.isCLSCompliant = false;
this.versionSafe = false;
this.PEFileName = null;
this.PEFileKind = PEFileKinds.Dll;
this.errorCultureInfo = null;
this.libpath = null;
this.libpathList = null;
this.globalScope = null;
this.vsaItems = new VsaItems(this);
this.packages = null;
this.scopes = null;
this.classCounter = 0;
this.implicitAssemblies = null;
this.implicitAssemblyCache = null;
this.cachedTypeLookups = null;
this.isEngineRunning = false;
this.isEngineCompiled = false;
this.isCompilerSet = false;
this.isClosed = false;
this.runningThread = null;
this.compilerGlobals = null;
this.globals = null;
this.runtimeDirectory = null;
Globals.contextEngine = this;
this.runtimeAssembly = null;
this.typenameTable = null;
}
protected override void DoClose(){
((VsaItems)this.vsaItems).Close();
if (null != this.globalScope)
this.globalScope.Close();
this.vsaItems = null;
this.engineSite = null;
this.globalScope = null;
this.runningThread = null;
this.compilerGlobals = null;
this.globals = null;
ScriptStream.Out = Console.Out;
ScriptStream.Error = Console.Error;
this.DeleteCachedCompiledState();
this.isClosed = true;
// The following calls ensure that all pointers to unmanaged objects get properly released
// and avoid memory leaks on shutdown. GC.Collect() should be enough by itself when COM+
// takes care of the second automatically.
GC.Collect();
}
internal void SetUpCompilerEnvironment(){
if (!this.isCompilerSet){
this.globals = this.Globals;
this.isCompilerSet = true;
}
}
// the debugger restart the engine to run different expression evaluation
public virtual void Restart(){
this.TryObtainLock();
try{
((VsaItems)this.vsaItems).Close();
if (null != this.globalScope)
this.globalScope.Close();
this.globalScope = null;
this.vsaItems = new VsaItems(this);
this.isEngineRunning = false;
this.isEngineCompiled = false;
this.isCompilerSet = false;
this.isClosed = false;
this.runningThread = null;
this.globals = null;
// These are the same as the calls in Close(). Ideally, they should be necessary only in Close(),
// but actually the debugger leaks memory on shutdown if they are not present at both places.
GC.Collect();
}finally{
this.ReleaseLock();
}
}
internal void SetUpCompilerEnvironment(){
if (!this.isCompilerSet){
Microsoft.JScript.Globals.TypeRefs = this.TypeRefs;
this.globals = this.Globals;
this.isCompilerSet = true;
}
}
public void Restart(){
this.TryObtainLock();
try{
((VsaItems)this.vsaItems).Close();
if (null != this.globalScope)
this.globalScope.Close();
this.globalScope = null;
this.vsaItems = new VsaItems(this);
this.isEngineRunning = false;
this.isEngineCompiled = false;
this.isCompilerSet = false;
this.isClosed = false;
this.runningThread = null;
this.globals = null;
}finally{
this.ReleaseLock();
}
}
public VsaEngine(bool fast) : base("JScript", VsaEngine.engineVersion, true){
this.alwaysGenerateIL = false;
this.autoRef = false;
this.doCRS = false;
this.doFast = fast;
this.genDebugInfo = false;
this.genStartupClass = true;
this.doPrint = false;
this.doWarnAsError = false;
this.nWarningLevel = 4;
this.isCLSCompliant = false;
this.versionSafe = false;
this.PEFileName = null;
this.PEFileKind = PEFileKinds.Dll;
this.PEKindFlags = PortableExecutableKinds.ILOnly;
this.PEMachineArchitecture = ImageFileMachine.I386;
this.ReferenceLoaderAPI = LoaderAPI.LoadFrom;
this.errorCultureInfo = null;
this.libpath = null;
this.libpathList = null;
this.globalScope = null;
this.vsaItems = new VsaItems(this);
this.packages = null;
this.scopes = null;
this.classCounter = 0;
this.implicitAssemblies = null;
this.implicitAssemblyCache = null;
this.cachedTypeLookups = null;
this.isEngineRunning = false;
this.isEngineCompiled = false;
this.isCompilerSet = false;
this.isClosed = false;
this.runningThread = null;
this.compilerGlobals = null;
this.globals = null;
this.runtimeDirectory = null;
Globals.contextEngine = this;
this.runtimeAssembly = null;
this.typenameTable = null;
}
internal FunctionObject(string name, ParameterDeclaration[] parameter_declarations, TypeExpression return_type_expr, Block body, FunctionScope own_scope, ScriptObject enclosing_scope, Context funcContext, MethodAttributes attributes, CustomAttributeList customAttributes, bool isMethod) : base(body.Globals.globalObject.originalFunction.originalPrototype, name, parameter_declarations.Length)
{
this.parameter_declarations = parameter_declarations;
int length = parameter_declarations.Length;
this.formal_parameters = new string[length];
for (int i = 0; i < length; i++)
{
this.formal_parameters[i] = parameter_declarations[i].identifier;
}
this.argumentsSlotNumber = 0;
this.return_type_expr = return_type_expr;
if (this.return_type_expr != null)
{
own_scope.AddReturnValueField();
}
this.body = body;
this.method = null;
this.parameterInfos = null;
this.funcContext = funcContext;
this.own_scope = own_scope;
this.own_scope.owner = this;
if ((!(enclosing_scope is ActivationObject) || !((ActivationObject) enclosing_scope).fast) && !isMethod)
{
this.argumentsSlotNumber = this.own_scope.GetNextSlotNumber();
JSLocalField field = (JSLocalField) this.own_scope.AddNewField("arguments", null, FieldAttributes.PrivateScope);
field.type = new TypeExpression(new ConstantWrapper(Typeob.Object, funcContext));
field.isDefined = true;
this.hasArgumentsObject = true;
}
else
{
this.hasArgumentsObject = false;
}
this.implementedIface = null;
this.implementedIfaceMethod = null;
this.isMethod = isMethod;
this.isExpandoMethod = (customAttributes != null) && customAttributes.ContainsExpandoAttribute();
this.isStatic = this.own_scope.isStatic = (attributes & MethodAttributes.Static) != MethodAttributes.PrivateScope;
this.suppressIL = false;
this.noVersionSafeAttributeSpecified = true;
this.fields = this.own_scope.GetLocalFields();
this.enclosing_scope = enclosing_scope;
this.must_save_stack_locals = false;
this.text = null;
this.mb = null;
this.cb = null;
this.attributes = attributes;
if (!this.isStatic)
{
this.attributes |= MethodAttributes.HideBySig;
}
this.globals = body.Globals;
this.superConstructor = null;
this.superConstructorCall = null;
this.customAttributes = customAttributes;
base.noExpando = false;
this.clsCompliance = CLSComplianceSpec.NotAttributed;
this.engineLocal = null;
this.partiallyEvaluated = false;
}
internal CompilerGlobals(VsaEngine engine, string assemName, string assemblyFileName, PEFileKinds PEFileKind, bool save, bool run, bool debugOn, bool isCLSCompliant, Version version, Globals globals)
{
string fileName = null;
string dir = null;
if (assemblyFileName != null)
{
try
{
dir = Path.GetDirectoryName(Path.GetFullPath(assemblyFileName));
}
catch (Exception exception)
{
throw new JSVsaException(JSVsaError.AssemblyNameInvalid, assemblyFileName, exception);
}
fileName = Path.GetFileName(assemblyFileName);
if ((assemName == null) || (string.Empty == assemName))
{
assemName = Path.GetFileName(assemblyFileName);
if (Path.HasExtension(assemName))
{
assemName = assemName.Substring(0, assemName.Length - Path.GetExtension(assemName).Length);
}
}
}
if ((assemName == null) || (assemName == string.Empty))
{
assemName = "JScriptAssembly";
}
if (fileName == null)
{
if (PEFileKind == PEFileKinds.Dll)
{
fileName = "JScriptModule.dll";
}
else
{
fileName = "JScriptModule.exe";
}
}
AssemblyName name = new AssemblyName {
CodeBase = assemblyFileName
};
if (globals.assemblyCulture != null)
{
name.CultureInfo = globals.assemblyCulture;
}
name.Flags = AssemblyNameFlags.None;
if ((globals.assemblyFlags & AssemblyFlags.PublicKey) != AssemblyFlags.SideBySideCompatible)
{
name.Flags = AssemblyNameFlags.PublicKey;
}
AssemblyFlags flags = globals.assemblyFlags & AssemblyFlags.CompatibilityMask;
if (flags == AssemblyFlags.NonSideBySideAppDomain)
{
name.VersionCompatibility = AssemblyVersionCompatibility.SameDomain;
}
else if (flags == AssemblyFlags.NonSideBySideProcess)
{
name.VersionCompatibility = AssemblyVersionCompatibility.SameProcess;
}
else if (flags == AssemblyFlags.NonSideBySideMachine)
{
name.VersionCompatibility = AssemblyVersionCompatibility.SameMachine;
}
else
{
name.VersionCompatibility = (AssemblyVersionCompatibility) 0;
}
name.HashAlgorithm = globals.assemblyHashAlgorithm;
if (globals.assemblyKeyFileName != null)
{
try
{
using (FileStream stream = new FileStream(globals.assemblyKeyFileName, FileMode.Open, FileAccess.Read))
{
StrongNameKeyPair pair = new StrongNameKeyPair(stream);
if (globals.assemblyDelaySign)
{
if (stream.Length == 160L)
{
byte[] buffer = new byte[160];
stream.Seek(0L, SeekOrigin.Begin);
stream.Read(buffer, 0, 160);
name.SetPublicKey(buffer);
}
else
{
name.SetPublicKey(pair.PublicKey);
}
}
else
{
byte[] publicKey = pair.PublicKey;
name.KeyPair = pair;
}
}
goto Label_024E;
}
catch
{
globals.assemblyKeyFileNameContext.HandleError(JSError.InvalidAssemblyKeyFile, globals.assemblyKeyFileName);
goto Label_024E;
}
}
if (globals.assemblyKeyName != null)
{
try
{
StrongNameKeyPair pair2 = new StrongNameKeyPair(globals.assemblyKeyName);
byte[] buffer2 = pair2.PublicKey;
name.KeyPair = pair2;
}
catch
{
globals.assemblyKeyNameContext.HandleError(JSError.InvalidAssemblyKeyFile, globals.assemblyKeyName);
}
}
Label_024E:
name.Name = assemName;
if (version != null)
{
name.Version = version;
}
else if (globals.assemblyVersion != null)
{
name.Version = globals.assemblyVersion;
}
AssemblyBuilderAccess reflectionOnly = save ? (run ? AssemblyBuilderAccess.RunAndSave : AssemblyBuilderAccess.Save) : AssemblyBuilderAccess.Run;
if (engine.ReferenceLoaderAPI == LoaderAPI.ReflectionOnlyLoadFrom)
{
reflectionOnly = AssemblyBuilderAccess.ReflectionOnly;
}
if (globals.engine.genStartupClass)
{
this.assemblyBuilder = Thread.GetDomain().DefineDynamicAssembly(name, reflectionOnly, dir, globals.engine.Evidence);
}
else
{
this.assemblyBuilder = Thread.GetDomain().DefineDynamicAssembly(name, reflectionOnly, dir);
}
if (save)
{
this.module = this.assemblyBuilder.DefineDynamicModule("JScript Module", fileName, debugOn);
}
else
{
this.module = this.assemblyBuilder.DefineDynamicModule("JScript Module", debugOn);
}
if (isCLSCompliant)
{
this.module.SetCustomAttribute(new CustomAttributeBuilder(clsCompliantAttributeCtor, new object[] { isCLSCompliant }));
}
if (debugOn)
{
ConstructorInfo constructor = Typeob.DebuggableAttribute.GetConstructor(new Type[] { Typeob.Boolean, Typeob.Boolean });
this.assemblyBuilder.SetCustomAttribute(new CustomAttributeBuilder(constructor, new object[] { (globals.assemblyFlags & AssemblyFlags.EnableJITcompileTracking) != AssemblyFlags.SideBySideCompatible, (globals.assemblyFlags & AssemblyFlags.DisableJITcompileOptimizer) != AssemblyFlags.SideBySideCompatible }));
}
this.compilationEvidence = globals.engine.Evidence;
this.classwriter = null;
}
protected override void DoClose(){
((VsaItems)this.vsaItems).Close();
if (null != this.globalScope)
this.globalScope.Close();
this.vsaItems = null;
this.engineSite = null;
this.globalScope = null;
this.runningThread = null;
this.compilerGlobals = null;
this.globals = null;
ScriptStream.Out = Console.Out;
ScriptStream.Error = Console.Error;
this.rawPE = null;
this.rawPDB = null;
this.isClosed = true;
if (this.tempDirectory != null && Directory.Exists(this.tempDirectory))
Directory.Delete(this.tempDirectory);
}
internal CompilerGlobals(VsaEngine engine, String assemName, String assemblyFileName, PEFileKinds PEFileKind, bool save, bool run, bool debugOn, bool isCLSCompliant, Version version, Globals globals) {
String moduleFileName = null;
String directory = null; //Default has assembly stored in current directory
if (assemblyFileName != null){
//The directory is an absolute path where the assembly is written
try{
directory = Path.GetDirectoryName(Path.GetFullPath(assemblyFileName));
}catch(Exception e){
throw new VsaException(VsaError.AssemblyNameInvalid, assemblyFileName, e);
}catch{
throw new JScriptException(JSError.NonClsException);
}
//For a single file assembly module filename is set to assembly filename
moduleFileName = Path.GetFileName(assemblyFileName);
//If simple name is not specified, get it by extracting the basename from assembly name
if (null == assemName || String.Empty == assemName){
assemName = Path.GetFileName(assemblyFileName);
if (Path.HasExtension(assemName))
assemName = assemName.Substring(0, assemName.Length - Path.GetExtension(assemName).Length);
}
}
//Setup default simple assembly name and module name for the case where no assemblyFileName is specified.
if (assemName == null || assemName == String.Empty)
assemName = "JScriptAssembly";
if (moduleFileName == null) {
if (PEFileKind == PEFileKinds.Dll)
moduleFileName = "JScriptModule.dll";
else
moduleFileName = "JScriptModule.exe";
}
AssemblyName assemblyName = new AssemblyName();
assemblyName.CodeBase = assemblyFileName;
if (globals.assemblyCulture != null) assemblyName.CultureInfo = globals.assemblyCulture;
assemblyName.Flags = AssemblyNameFlags.None;
if ((globals.assemblyFlags & AssemblyFlags.PublicKey) != 0) assemblyName.Flags = AssemblyNameFlags.PublicKey;
switch ((AssemblyFlags)(globals.assemblyFlags & AssemblyFlags.CompatibilityMask)){
case AssemblyFlags.NonSideBySideAppDomain:
assemblyName.VersionCompatibility = AssemblyVersionCompatibility.SameDomain; break;
case AssemblyFlags.NonSideBySideMachine:
assemblyName.VersionCompatibility = AssemblyVersionCompatibility.SameMachine; break;
case AssemblyFlags.NonSideBySideProcess:
assemblyName.VersionCompatibility = AssemblyVersionCompatibility.SameProcess; break;
default:
assemblyName.VersionCompatibility = (AssemblyVersionCompatibility)0; break;
}
assemblyName.HashAlgorithm = globals.assemblyHashAlgorithm;
if (globals.assemblyKeyFileName != null){
try
{
using (FileStream fs = new FileStream(globals.assemblyKeyFileName, FileMode.Open, FileAccess.Read))
{
StrongNameKeyPair keyPair = new StrongNameKeyPair(fs);
if (globals.assemblyDelaySign)
if (fs.Length == 160)
{
Byte[] pkey = new Byte[160];
fs.Seek(0, SeekOrigin.Begin);
int len = fs.Read(pkey, 0, 160);
assemblyName.SetPublicKey(pkey);
}
else
assemblyName.SetPublicKey(keyPair.PublicKey);
else {
// Fetch to force reflection to try and process the key file data and throw an exception
byte[] publicKey = keyPair.PublicKey;
assemblyName.KeyPair = keyPair;
}
}
}
catch
{
globals.assemblyKeyFileNameContext.HandleError(JSError.InvalidAssemblyKeyFile, globals.assemblyKeyFileName);
}
}else if (globals.assemblyKeyName != null){
try{
StrongNameKeyPair keyPair = new StrongNameKeyPair(globals.assemblyKeyName);
byte[] publicKey = keyPair.PublicKey; // Force validation
assemblyName.KeyPair = keyPair;
}catch{
globals.assemblyKeyNameContext.HandleError(JSError.InvalidAssemblyKeyFile, globals.assemblyKeyName);
}
}
assemblyName.Name = assemName;
if (version != null) assemblyName.Version = version;
else if (globals.assemblyVersion != null) assemblyName.Version = globals.assemblyVersion;
AssemblyBuilderAccess access = save ? (run ? AssemblyBuilderAccess.RunAndSave : AssemblyBuilderAccess.Save) : AssemblyBuilderAccess.Run;
if (engine.ReferenceLoaderAPI == LoaderAPI.ReflectionOnlyLoadFrom)
access = AssemblyBuilderAccess.ReflectionOnly;
// Supply the evidence to assemblies built for VSA
if (globals.engine.genStartupClass)
this.assemblyBuilder = Thread.GetDomain().DefineDynamicAssembly(assemblyName, access, directory, globals.engine.Evidence);
else
this.assemblyBuilder = Thread.GetDomain().DefineDynamicAssembly(assemblyName, access, directory);
if (save)
this.module = this.assemblyBuilder.DefineDynamicModule("JScript Module", moduleFileName, debugOn);
else
this.module = this.assemblyBuilder.DefineDynamicModule("JScript Module", debugOn);
if (isCLSCompliant)
this.module.SetCustomAttribute(new CustomAttributeBuilder(CompilerGlobals.clsCompliantAttributeCtor, new Object[]{isCLSCompliant}));
if (debugOn){
ConstructorInfo debuggableAttr = Typeob.DebuggableAttribute.GetConstructor(new Type[] {Typeob.Boolean, Typeob.Boolean});
assemblyBuilder.SetCustomAttribute(new CustomAttributeBuilder(debuggableAttr,
new Object[] {(globals.assemblyFlags & AssemblyFlags.EnableJITcompileTracking) != 0,
(globals.assemblyFlags & AssemblyFlags.DisableJITcompileOptimizer) != 0}));
}
this.compilationEvidence = globals.engine.Evidence;
this.classwriter = null;
}
protected override void ResetCompiledState()
{
if (this.globalScope != null)
{
this.globalScope.Reset();
this.globalScope = null;
}
this.classCounter = 0;
base.haveCompiledState = false;
base.failedCompilation = true;
base.compiledRootNamespace = null;
base.startupClass = null;
this.compilerGlobals = null;
this.globals = null;
foreach (object obj2 in base.vsaItems)
{
((VsaItem) obj2).Reset();
}
this.implicitAssemblies = null;
this.implicitAssemblyCache = null;
this.cachedTypeLookups = null;
base.isEngineCompiled = false;
base.isEngineRunning = false;
this.isCompilerSet = false;
this.packages = null;
if (!this.doSaveAfterCompile)
{
this.PEFileName = null;
}
this.rawPE = null;
this.rawPDB = null;
}