private void MaybeAddDefaultConstructorToType(JsClass jsClass, IMethod constructor)
{
var options = _metadataImporter.GetConstructorSemantics(constructor);
if (options.GenerateCode)
{
var mc = CreateMethodCompiler();
var compiled = mc.CompileDefaultConstructor(constructor, TryGetInstanceInitStatements(jsClass), options);
OnMethodCompiled(constructor, compiled, mc);
AddCompiledConstructorToType(jsClass, constructor, options, compiled);
}
}
private static JsExpression ConstructConstructorInfo(IMethod constructor, ICompilation compilation, IMetadataImporter metadataImporter, INamer namer, IRuntimeLibrary runtimeLibrary, IErrorReporter errorReporter, Func <IType, JsExpression> instantiateType, bool includeDeclaringType)
{
var properties = GetCommonMemberInfoProperties(constructor, compilation, metadataImporter, namer, runtimeLibrary, errorReporter, instantiateType, includeDeclaringType);
var sem = metadataImporter.GetConstructorSemantics(constructor);
if (sem.Type == ConstructorScriptSemantics.ImplType.NotUsableFromScript)
{
errorReporter.Message(Messages._7200, constructor.FullName);
return(JsExpression.Null);
}
properties.Add(new JsObjectLiteralProperty("type", JsExpression.Number((int)MemberTypes.Constructor)));
properties.Add(new JsObjectLiteralProperty("params", JsExpression.ArrayLiteral(constructor.Parameters.Select(p => instantiateType(p.Type)))));
if (sem.Type == ConstructorScriptSemantics.ImplType.NamedConstructor || sem.Type == ConstructorScriptSemantics.ImplType.StaticMethod)
{
properties.Add(new JsObjectLiteralProperty("sname", JsExpression.String(sem.Name)));
}
if (sem.Type == ConstructorScriptSemantics.ImplType.StaticMethod)
{
properties.Add(new JsObjectLiteralProperty("sm", JsExpression.True));
}
if ((sem.Type == ConstructorScriptSemantics.ImplType.UnnamedConstructor || sem.Type == ConstructorScriptSemantics.ImplType.NamedConstructor || sem.Type == ConstructorScriptSemantics.ImplType.StaticMethod) && sem.ExpandParams)
{
properties.Add(new JsObjectLiteralProperty("exp", JsExpression.True));
}
if (sem.Type == ConstructorScriptSemantics.ImplType.Json || sem.Type == ConstructorScriptSemantics.ImplType.InlineCode)
{
var usedNames = new HashSet <string>();
var parameters = new List <IVariable>();
var variables = new Dictionary <IVariable, VariableData>();
IList <ResolveResult> constructorParameters = null;
IList <ResolveResult> initializerStatements = null;
if (sem.Type == ConstructorScriptSemantics.ImplType.Json && constructor.DeclaringType.Kind == TypeKind.Anonymous)
{
initializerStatements = new List <ResolveResult>();
foreach (var p in constructor.DeclaringType.GetProperties())
{
string paramName = MakeCamelCase(p.Name);
string name = namer.GetVariableName(paramName, usedNames);
usedNames.Add(name);
var variable = new SimpleVariable(p.ReturnType, paramName, DomRegion.Empty);
parameters.Add(variable);
variables.Add(variable, new VariableData(name, null, false));
initializerStatements.Add(new OperatorResolveResult(p.ReturnType, ExpressionType.Assign, new MemberResolveResult(new InitializedObjectResolveResult(constructor.DeclaringType), p), new LocalResolveResult(variable)));
}
}
else
{
constructorParameters = new List <ResolveResult>();
foreach (var p in constructor.Parameters)
{
string name = namer.GetVariableName(p.Name, usedNames);
usedNames.Add(name);
var variable = new SimpleVariable(p.Type, p.Name, DomRegion.Empty);
parameters.Add(variable);
variables.Add(variable, new VariableData(name, null, false));
constructorParameters.Add(new LocalResolveResult(variable));
}
}
var compileResult = CompileConstructorInvocation(constructor, initializerStatements, constructor.DeclaringTypeDefinition, constructor, constructorParameters, compilation, metadataImporter, namer, runtimeLibrary, errorReporter, variables, usedNames);
var definition = JsExpression.FunctionDefinition(parameters.Select(p => variables[p].Name), JsStatement.Block(compileResult.AdditionalStatements.Concat(new[] { JsStatement.Return(compileResult.Expression) })));
properties.Add(new JsObjectLiteralProperty("def", definition));
}
return(JsExpression.ObjectLiteral(properties));
}
private void AddClassMembers(JsClass c, JsExpression typeRef, List <JsStatement> stmts)
{
if (c.InstanceMethods.Count > 0)
{
stmts.Add(new JsExpressionStatement(JsExpression.Assign(JsExpression.Member(typeRef, Prototype), JsExpression.ObjectLiteral(c.InstanceMethods.Select(m => new JsObjectLiteralProperty(m.Name, m.Definition != null ? RewriteMethod(m) : JsExpression.Null))))));
}
if (c.NamedConstructors.Count > 0)
{
stmts.AddRange(c.NamedConstructors.Select(m => new JsExpressionStatement(JsExpression.Assign(JsExpression.Member(typeRef, m.Name), m.Definition))));
stmts.Add(new JsExpressionStatement(c.NamedConstructors.Reverse().Aggregate((JsExpression)JsExpression.Member(typeRef, Prototype), (right, ctor) => JsExpression.Assign(JsExpression.Member(JsExpression.Member(typeRef, ctor.Name), Prototype), right)))); // This generates a statement like {C}.ctor1.prototype = {C}.ctor2.prototype = {C}.prototoype
}
var defaultConstructor = Saltarelle.Compiler.Utils.SelfParameterize(c.CSharpTypeDefinition).GetConstructors().SingleOrDefault(x => x.Parameters.Count == 0 && x.IsPublic);
if (defaultConstructor != null)
{
var sem = _metadataImporter.GetConstructorSemantics(defaultConstructor);
if (sem.Type != ConstructorScriptSemantics.ImplType.UnnamedConstructor && sem.Type != ConstructorScriptSemantics.ImplType.NotUsableFromScript)
{
var createInstance = MetadataUtils.CompileConstructorInvocation(defaultConstructor, null, c.CSharpTypeDefinition, null, EmptyList <ResolveResult> .Instance, _compilation, _metadataImporter, _namer, _runtimeLibrary, _errorReporter, null, null);
stmts.Add(new JsExpressionStatement(
JsExpression.Assign(
JsExpression.Member(typeRef, "createInstance"),
JsExpression.FunctionDefinition(new string[0], new JsBlockStatement(createInstance.AdditionalStatements.Concat(new[] { new JsReturnStatement(createInstance.Expression) }))))));
}
}
stmts.AddRange(c.StaticMethods.Select(m => new JsExpressionStatement(JsExpression.Assign(JsExpression.Member(typeRef, m.Name), RewriteMethod(m)))));
if (MetadataUtils.IsSerializable(c.CSharpTypeDefinition))
{
string typeCheckCode = MetadataUtils.GetSerializableTypeCheckCode(c.CSharpTypeDefinition);
if (!string.IsNullOrEmpty(typeCheckCode))
{
var oldReg = _errorReporter.Region;
_errorReporter.Region = c.CSharpTypeDefinition.Attributes.Single(a => a.AttributeType.FullName == typeof(SerializableAttribute).FullName).Region;
var method = MetadataUtils.CreateTypeCheckMethod(Saltarelle.Compiler.Utils.SelfParameterize(c.CSharpTypeDefinition), _compilation);
var errors = new List <string>();
var tokens = InlineCodeMethodCompiler.Tokenize(method, typeCheckCode, errors.Add);
if (errors.Count == 0)
{
var context = new DefaultRuntimeContext(c.CSharpTypeDefinition, _metadataImporter, _errorReporter, _namer);
var result = InlineCodeMethodCompiler.CompileInlineCodeMethodInvocation(method, tokens, JsExpression.Identifier("obj"), new JsExpression[0],
n => {
var type = ReflectionHelper.ParseReflectionName(n).Resolve(_compilation);
if (type.Kind == TypeKind.Unknown)
{
errors.Add("Unknown type '" + n + "' specified in inline implementation");
return(JsExpression.Null);
}
return(_runtimeLibrary.InstantiateType(type, context));
},
t => _runtimeLibrary.InstantiateTypeForUseAsTypeArgumentInInlineCode(t, context),
errors.Add);
stmts.Add(new JsExpressionStatement(
JsExpression.Assign(
JsExpression.Member(typeRef, "isInstanceOfType"),
JsExpression.FunctionDefinition(new[] { "obj" }, new JsReturnStatement(result)))));
foreach (var e in errors)
{
_errorReporter.Message(Messages._7157, c.CSharpTypeDefinition.FullName, e);
}
}
_errorReporter.Region = oldReg;
}
}
if (MetadataUtils.IsJsGeneric(c.CSharpTypeDefinition, _metadataImporter))
{
var args = new List <JsExpression> {
typeRef, new JsTypeReferenceExpression(c.CSharpTypeDefinition), JsExpression.ArrayLiteral(c.CSharpTypeDefinition.TypeParameters.Select(tp => JsExpression.Identifier(_namer.GetTypeParameterName(tp))))
};
if (c.CSharpTypeDefinition.Kind == TypeKind.Class)
{
args.Add(JsExpression.FunctionDefinition(new string[0], new JsReturnStatement(GetBaseClass(c.CSharpTypeDefinition) ?? JsExpression.Null)));
}
args.Add(JsExpression.FunctionDefinition(new string[0], new JsReturnStatement(JsExpression.ArrayLiteral(GetImplementedInterfaces(c.CSharpTypeDefinition)))));
var metadata = GetMetadataDescriptor(c.CSharpTypeDefinition, true);
if (metadata != null)
{
args.Add(metadata);
}
stmts.Add(new JsExpressionStatement(JsExpression.Invocation(JsExpression.Member(_systemScript, c.CSharpTypeDefinition.Kind == TypeKind.Class ? RegisterGenericClassInstance : RegisterGenericInterfaceInstance), args)));
}
}
private static JsExpression ConstructConstructorInfo(IMethod constructor, ICompilation compilation, IMetadataImporter metadataImporter, INamer namer, IRuntimeLibrary runtimeLibrary, IErrorReporter errorReporter, Func<IType, JsExpression> instantiateType, bool includeDeclaringType) {
var properties = GetCommonMemberInfoProperties(constructor, compilation, metadataImporter, namer, runtimeLibrary, errorReporter, instantiateType, includeDeclaringType);
var sem = metadataImporter.GetConstructorSemantics(constructor);
if (sem.Type == ConstructorScriptSemantics.ImplType.NotUsableFromScript) {
errorReporter.Message(Messages._7200, constructor.FullName);
return JsExpression.Null;
}
properties.Add(new JsObjectLiteralProperty("type", JsExpression.Number((int)MemberTypes.Constructor)));
properties.Add(new JsObjectLiteralProperty("params", JsExpression.ArrayLiteral(constructor.Parameters.Select(p => instantiateType(p.Type)))));
if (sem.Type == ConstructorScriptSemantics.ImplType.NamedConstructor || sem.Type == ConstructorScriptSemantics.ImplType.StaticMethod)
properties.Add(new JsObjectLiteralProperty("sname", JsExpression.String(sem.Name)));
if (sem.Type == ConstructorScriptSemantics.ImplType.StaticMethod)
properties.Add(new JsObjectLiteralProperty("sm", JsExpression.True));
if ((sem.Type == ConstructorScriptSemantics.ImplType.UnnamedConstructor || sem.Type == ConstructorScriptSemantics.ImplType.NamedConstructor || sem.Type == ConstructorScriptSemantics.ImplType.StaticMethod) && sem.ExpandParams)
properties.Add(new JsObjectLiteralProperty("exp", JsExpression.True));
if (sem.Type == ConstructorScriptSemantics.ImplType.Json || sem.Type == ConstructorScriptSemantics.ImplType.InlineCode) {
var usedNames = new HashSet<string>();
var parameters = new List<IVariable>();
var variables = new Dictionary<IVariable, VariableData>();
IList<ResolveResult> constructorParameters = null;
IList<ResolveResult> initializerStatements = null;
if (sem.Type == ConstructorScriptSemantics.ImplType.Json && constructor.DeclaringType.Kind == TypeKind.Anonymous) {
initializerStatements = new List<ResolveResult>();
foreach (var p in constructor.DeclaringType.GetProperties()) {
string paramName = MakeCamelCase(p.Name);
string name = namer.GetVariableName(paramName, usedNames);
usedNames.Add(name);
var variable = new SimpleVariable(p.ReturnType, paramName, DomRegion.Empty);
parameters.Add(variable);
variables.Add(variable, new VariableData(name, null, false));
initializerStatements.Add(new OperatorResolveResult(p.ReturnType, ExpressionType.Assign, new MemberResolveResult(new InitializedObjectResolveResult(constructor.DeclaringType), p), new LocalResolveResult(variable)));
}
}
else {
constructorParameters = new List<ResolveResult>();
foreach (var p in constructor.Parameters) {
string name = namer.GetVariableName(p.Name, usedNames);
usedNames.Add(name);
var variable = new SimpleVariable(p.Type, p.Name, DomRegion.Empty);
parameters.Add(variable);
variables.Add(variable, new VariableData(name, null, false));
constructorParameters.Add(new LocalResolveResult(variable));
}
}
var compileResult = CompileConstructorInvocation(constructor, initializerStatements, constructor.DeclaringTypeDefinition, constructor, constructorParameters, compilation, metadataImporter, namer, runtimeLibrary, errorReporter, variables, usedNames);
var definition = JsExpression.FunctionDefinition(parameters.Select(p => variables[p].Name), JsStatement.Block(compileResult.AdditionalStatements.Concat(new[] { JsStatement.Return(compileResult.Expression) })));
properties.Add(new JsObjectLiteralProperty("def", definition));
}
return JsExpression.ObjectLiteral(properties);
}
public virtual ConstructorScriptSemantics GetConstructorSemantics(IMethod method)
{
return(_prev.GetConstructorSemantics(method));
}
private void AddClassMembers(JsClass c, string typevarName, List <JsStatement> stmts)
{
if (c.NamedConstructors.Count > 0)
{
stmts.AddRange(c.NamedConstructors.Select(m => (JsStatement)JsExpression.Assign(JsExpression.Member(JsExpression.Identifier(typevarName), m.Name), m.Definition)));
}
var defaultConstructor = Saltarelle.Compiler.Utils.SelfParameterize(c.CSharpTypeDefinition).GetConstructors().SingleOrDefault(x => x.Parameters.Count == 0 && x.IsPublic);
bool hasCreateInstance = false;
if (defaultConstructor != null)
{
var sem = _metadataImporter.GetConstructorSemantics(defaultConstructor);
if (sem.Type != ConstructorScriptSemantics.ImplType.UnnamedConstructor && sem.Type != ConstructorScriptSemantics.ImplType.NotUsableFromScript)
{
var createInstance = MetadataUtils.CompileConstructorInvocation(defaultConstructor, null, c.CSharpTypeDefinition, null, EmptyList <ResolveResult> .Instance, _compilation, _metadataImporter, _namer, _runtimeLibrary, _errorReporter, null, null);
stmts.Add(JsExpression.Assign(
JsExpression.Member(JsExpression.Identifier(typevarName), "createInstance"),
JsExpression.FunctionDefinition(new string[0], JsStatement.Block(createInstance.AdditionalStatements.Concat(new[] { JsStatement.Return(createInstance.Expression) })))));
hasCreateInstance = true;
}
}
if (c.CSharpTypeDefinition.Kind == TypeKind.Struct)
{
stmts.Add(JsExpression.Assign(JsExpression.Member(JsExpression.Identifier(typevarName), "getDefaultValue"), hasCreateInstance ? JsExpression.Member(JsExpression.Identifier(typevarName), "createInstance") : JsExpression.FunctionDefinition(EmptyList <string> .Instance, JsStatement.Return(JsExpression.New(JsExpression.Identifier(typevarName))))));
if (_metadataImporter.GetTypeSemantics(c.CSharpTypeDefinition).Type == TypeScriptSemantics.ImplType.MutableValueType)
{
stmts.Add(JsExpression.Assign(JsExpression.Member(JsExpression.Identifier(typevarName), "$clone"), GenerateStructCloneMethod(c.CSharpTypeDefinition, typevarName, hasCreateInstance)));
}
}
stmts.AddRange(c.StaticMethods.Select(m => (JsStatement)JsExpression.Assign(JsExpression.Member(JsExpression.Identifier(typevarName), m.Name), RewriteMethod(m))));
if (MetadataUtils.IsSerializable(c.CSharpTypeDefinition, _attributeStore))
{
string typeCheckCode = MetadataUtils.GetSerializableTypeCheckCode(c.CSharpTypeDefinition, _attributeStore);
if (!string.IsNullOrEmpty(typeCheckCode))
{
var oldReg = _errorReporter.Region;
_errorReporter.Region = c.CSharpTypeDefinition.Attributes.Single(a => a.AttributeType.FullName == typeof(SerializableAttribute).FullName).Region;
var method = MetadataUtils.CreateTypeCheckMethod(Saltarelle.Compiler.Utils.SelfParameterize(c.CSharpTypeDefinition), _compilation);
var errors = new List <string>();
var tokens = InlineCodeMethodCompiler.Tokenize(method, typeCheckCode, errors.Add);
if (errors.Count == 0)
{
var context = new DefaultRuntimeContext(c.CSharpTypeDefinition, _metadataImporter, _errorReporter, _namer);
var result = InlineCodeMethodCompiler.CompileExpressionInlineCodeMethodInvocation(method, tokens, JsExpression.Identifier("obj"), new JsExpression[0],
n => {
var type = ReflectionHelper.ParseReflectionName(n).Resolve(_compilation);
if (type.Kind == TypeKind.Unknown)
{
errors.Add("Unknown type '" + n + "' specified in inline implementation");
return(JsExpression.Null);
}
return(_runtimeLibrary.InstantiateType(type, context));
},
t => _runtimeLibrary.InstantiateTypeForUseAsTypeArgumentInInlineCode(t, context),
errors.Add);
stmts.Add(JsExpression.Assign(
JsExpression.Member(JsExpression.Identifier(typevarName), "isInstanceOfType"),
JsExpression.FunctionDefinition(new[] { "obj" }, JsStatement.Return(result))));
foreach (var e in errors)
{
_errorReporter.Message(Messages._7157, c.CSharpTypeDefinition.FullName, e);
}
}
_errorReporter.Region = oldReg;
}
else
{
stmts.Add(JsExpression.Assign(
JsExpression.Member(JsExpression.Identifier(typevarName), "isInstanceOfType"),
JsExpression.FunctionDefinition(new string[0], JsStatement.Return(JsExpression.True))));
}
}
if (MetadataUtils.IsJsGeneric(c.CSharpTypeDefinition, _metadataImporter))
{
var args = new List <JsExpression> {
JsExpression.Identifier(typevarName),
new JsTypeReferenceExpression(c.CSharpTypeDefinition), JsExpression.ArrayLiteral(c.CSharpTypeDefinition.TypeParameters.Select(tp => JsExpression.Identifier(_namer.GetTypeParameterName(tp)))),
CreateInstanceMembers(c, typevarName),
};
if (c.CSharpTypeDefinition.Kind != TypeKind.Interface)
{
args.Add(JsExpression.FunctionDefinition(new string[0], JsStatement.Return(GetBaseClass(c.CSharpTypeDefinition) ?? JsExpression.Null)));
}
args.Add(JsExpression.FunctionDefinition(new string[0], JsStatement.Return(JsExpression.ArrayLiteral(GetImplementedInterfaces(c.CSharpTypeDefinition)))));
stmts.Add(JsExpression.Invocation(JsExpression.Member(_systemScript, c.CSharpTypeDefinition.Kind == TypeKind.Interface ? RegisterGenericInterfaceInstance : RegisterGenericClassInstance), args));
if (c.CSharpTypeDefinition.Kind == TypeKind.Class && c.NamedConstructors.Count > 0)
{
stmts.Add(AssignNamedConstructorPrototypes(c, JsExpression.Identifier(typevarName)));
}
if (c.CSharpTypeDefinition.Kind == TypeKind.Struct)
{
stmts.Add(JsExpression.Assign(JsExpression.Member(JsExpression.Identifier(typevarName), "__class"), JsExpression.False));
}
var metadata = GetMetadataDescriptor(c.CSharpTypeDefinition, true);
if (metadata != null)
{
stmts.Add(JsExpression.Invocation(JsExpression.Member(_systemScript, SetMetadata), JsExpression.Identifier(typevarName), metadata));
}
}
}
