CGCPlusPlusCodeGenerator.swift

public enum CGCPlusPlusCodeGeneratorDialect {
	case Standard
	case CPlusPlusBuilder //C++Builder
	case VCPlusPlus //MS Visual C++
}

//
// Abstract base implementation for C++. Inherited by specific .cpp and .h Generators
//

public __abstract class CGCPlusPlusCodeGenerator : CGCStyleCodeGenerator {

	public var Dialect: CGCPlusPlusCodeGeneratorDialect = .Standard


	func isStandard() -> Boolean{
		return Dialect == CGCPlusPlusCodeGeneratorDialect.Standard;
	}

	func isCBuilder() -> Boolean{
		return Dialect == CGCPlusPlusCodeGeneratorDialect.CPlusPlusBuilder;
	}

	func isVC() -> Boolean{
		return Dialect == CGCPlusPlusCodeGeneratorDialect.VCPlusPlus;
	}

	public init() {
		super.init()
		// from http://en.cppreference.com/w/cpp/keyword
		keywords = ["alignas", "alignof", "and", "and_eq", "asm", "auto", "bitand", "bitor", "bool", "break",
		"case", "catch", "char", "char16_t", "char32_t", "class", "compl", "concept", "const",
		"const_cast", "constexpr", "continue", "decltype", "default", "define", "defined", "delete",
		"do", "double", "dynamic_cast", "elif", "else", "endif", "enum", "error", "explicit", "export",
		"extern", "false", "final", "float", "for", "friend", "goto", "if", "ifdef", "ifndef", "include",
		"inline", "int", "line", "long", "mutable", "namespace", "new", "noexcept", "not", "not_eq",
		"nullptr", "operator", "or", "or_eq", "override", "pragma", "private", "protected", "public",
		"register", "reinterpret_cast", "requires", "return", "short", "signed", "sizeof", "static",
		"static_assert", "static_cast", "struct", "switch", "template", "this", "thread_local", "throw",
		"true", "try", "typedef", "typeid", "typename", "undef", "union", "unsigned", "using", "virtual",
		"void", "volatile", "wchar_t", "while", "xor", "xor_eq"].ToList() as! List<String>;
		// // c++Builder keywords
		// keywords = ["__asm", "__automated", "__cdecl", "__classid", "__classmethod", "__closure", "__declspec",
		// "__delphirtti", "__dispid", "__except", "__export", "__fastcall", "__finally", "__import",
		// "__inline", "__int16", "__int32", "__int64", "__int8", "__msfastcall", "__msreturn",
		// "__pascal", "__property", "__published", "__rtti", "__stdcall", "__thread", "__try", "_asm",
		// "_Bool", "_cdecl", "_Complex", "_export", "_fastcall", "_Imaginary", "_import", "_pascal",
		// "_stdcall", "alignas", "alignof", "and", "and_eq", "asm", "auto", "axiom", "bitand", "bitor",
		// "bool", "break", "case", "catch", "cdecl", "char", "char16_t", "char32_t", "class", "compl",
		// "concept", "concept_map", "const", "const_cast", "constexpr", "continue", "decltype", "default",
		// "define", "defined", "delete", "deprecated", "do", "double", "Dynamic cast", "dynamic_cast",
		// "elif", "else", "endif", "enum", "error", "explicit", "export", "extern", "false", "final",
		// "float", "for", "friend", "goto", "if", "ifdef", "ifndef", "include", "inline", "int",
		// "late_check", "line", "long", "mutable", "namespace", "new", "noexcept", "noreturn",
		// "not", "not_eq", "nullptr", "operator", "or", "or_eq", "override", "pascal", "pragma",
		// "private", "protected", "public", "register", "reinterpret_cast", "requires", "restrict",
		// "return", "short", "signed", "sizeof", "static", "static_assert", "static_cast", "struct",
		// "switch", "template", "this", "thread_local", "throw", "true", "try", "typedef", "typeid",
		// "typename", "typeof", "undef", "union", "unsigned", "using", "uuidof", "virtual", "void",
		// "volatile", "wchar_t", "while", "xor", "xor_eq"].ToList() as! List<String>;
		splitLinesLongerThan = 200;
	}

	public convenience init(dialect: CGCPlusPlusCodeGeneratorDialect) {
		init()
		Dialect = dialect
	}

	override func generateAll() {
		// overriden in .h and .cpp
		}
	//
	// Statements
	//

	// in C-styleCG Base class
	/*
	override func generateBeginEndStatement(_ statement: CGBeginEndBlockStatement) {
		// handled in base
	}
	*/

	/*
	override func generateIfElseStatement(_ statement: CGIfThenElseStatement) {
		// handled in base
	}
	*/

	/*
	override func generateForToLoopStatement(_ statement: CGForToLoopStatement) {
		// handled in base
	}
	*/

	override func generateForEachLoopStatement(_ statement: CGForEachLoopStatement) {
		assert(false, "generateForEachLoopStatement is not supported in C++")
	}

	/*
	override func generateWhileDoLoopStatement(_ statement: CGWhileDoLoopStatement) {
	// handled in base
	}
	*/

	/*
	override func generateDoWhileLoopStatement(_ statement: CGDoWhileLoopStatement) {
	// handled in base
	}
	*/

	/*
	override func generateInfiniteLoopStatement(_ statement: CGInfiniteLoopStatement) {
	// handled in base
	}
	*/

	/*
	override func generateSwitchStatement(_ statement: CGSwitchStatement) {
	// handled in base
	}
	*/

	override func generateLockingStatement(_ statement: CGLockingStatement) {
		assert(false, "generateLockingStatement is not supported in C++")
	}

	override func generateUsingStatement(_ statement: CGUsingStatement) {
		assert(false, "generateUsingStatement is not supported in C++")
	}

	override func generateAutoReleasePoolStatement(_ statement: CGAutoReleasePoolStatement) {
		assert(false, "generateAutoReleasePoolStatement is not supported in C++")
	}

	override func generateTryFinallyCatchStatement(_ statement: CGTryFinallyCatchStatement) {

		if isStandard() {
			if let finallyStatements = statement.FinallyStatements, finallyStatements.Count > 0 {
				assert(false, "FinallyStatements in generateTryFinallyCatchStatement is not supported in Standard, except in CPlusPlusBuilder and VCPlusPlus");
			}
		}
		// __try {
		// try {}
		// body
		// catch {}
		// }
		// __finally {}
		if let finallyStatements = statement.FinallyStatements, finallyStatements.Count > 0 {
			AppendLine("__try")
		}
		if let catchBlocks = statement.CatchBlocks, catchBlocks.Count > 0 {
			AppendLine("try")
		}
		AppendLine("{")
		incIndent()
		generateStatements(statement.Statements)
		decIndent()
		AppendLine("}")
		if let catchBlocks = statement.CatchBlocks, catchBlocks.Count > 0 {
			for b in catchBlocks {
				if let name = b.Name, let type = b.`Type` {
					Append("catch (")
					generateTypeReference(type)
					Append(" ")
					generateIdentifier(name)
					AppendLine(")")
				} else {
					AppendLine("catch (...)")
				}
				AppendLine("{")
				incIndent()
				generateStatements(b.Statements)
				decIndent()
				AppendLine("}")
			}
		}
		if let finallyStatements = statement.FinallyStatements, finallyStatements.Count > 0 {
			AppendLine("__finally")
			AppendLine("{")
			incIndent()
			generateStatements(finallyStatements)
			decIndent()
			AppendLine("}")
		}
	}

	/*
	override func generateReturnStatement(_ statement: CGReturnStatement) {
		// handled in base
	}
	*/

	override func generateThrowExpression(_ statement: CGThrowExpression) {
		if let value = statement.Exception {
			Append("throw ")
			generateExpression(value)
		} else {
			Append("throw")
		}
	}

	/*
	override func generateBreakStatement(_ statement: CGBreakStatement) {
		// handled in base
	}
	*/

	/*
	override func generateContinueStatement(_ statement: CGContinueStatement) {
		// handled in base
	}
	*/

	override func generateVariableDeclarationStatement(_ statement: CGVariableDeclarationStatement) {
		if statement.Constant {
			Append("const ");
		}
		if let array = statement.`Type` as? CGArrayTypeReference {
			generateTypeReference(array.Type)
			Append(" ")
		}
		else if let type = statement.`Type` {
			generateTypeReference(type)
			Append(" ")
		} else {
// Append("id ")
		}
		generateIdentifier(statement.Name)
		if let array = statement.`Type` as? CGArrayTypeReference {
			generateArrayBounds(array)
		}

		if let value = statement.Value {
			Append(" = ")
			generateExpression(value)
		}
		AppendLine(";")
	}

	/*
	override func generateAssignmentStatement(_ statement: CGAssignmentStatement) {
		// handled in base
	}
	*/

	override func generateConstructorCallStatement(_ statement: CGConstructorCallStatement) {
		// empty
		}

	//
	// Expressions
	//

	/*
	override func generateNamedIdentifierExpression(_ expression: CGNamedIdentifierExpression) {
		// handled in base
	}
	*/

	/*
	override func generateAssignedExpression(_ expression: CGAssignedExpression) {
		// handled in base
	}
	*/

	/*
	override func generateSizeOfExpression(_ expression: CGSizeOfExpression) {
		// handled in base
	}
	*/

	override func generateTypeOfExpression(_ expression: CGTypeOfExpression) {
		Append("[")
		generateExpression(expression.Expression, ignoreNullability: true)
// if let typeReferenceExpression = expression.Expression as? CGTypeReferenceExpression {
// generateTypeReference(typeReferenceExpression.`Type`, ignoreNullability: true)
// } else {
// generateExpression(expression.Expression)
// }
		Append(" class]")
	}

	override func generateDefaultExpression(_ expression: CGDefaultExpression) {
		assert(false, "generateDefaultExpression is not supported in C++")
	}

	override func generateSelectorExpression(_ expression: CGSelectorExpression) {
		Append("@selector(\(expression.Name))")
	}

	override func generateTypeCastExpression(_ cast: CGTypeCastExpression) {
		if cast.ThrowsException {
			//dynamic_cast<MyClass *>(ptr)
			if (cast.CastKind == .Interface) {
				Append("interface_cast<")
				generateTypeReference(cast.TargetType, ignoreNullability: true)
				Append(">(")
			} else {
				Append("dynamic_cast<")
				generateTypeReference(cast.TargetType)
				Append(">(")
			}
			generateExpression(cast.Expression)
			Append(")")
		} else {
			// (MyClass *)ptr
			Append("(")
			generateTypeReference(cast.TargetType)
			Append(")")
			generateExpression(cast.Expression)
		}
	}

	override func generateInheritedExpression(_ expression: CGInheritedExpression) {
		Append("inherited")
	}

	override func generateSelfExpression(_ expression: CGSelfExpression) {
		Append("this")
	}

	override func generateNilExpression(_ expression: CGNilExpression) {
		Append("NULL")
	}

	override func generatePropertyValueExpression(_ expression: CGPropertyValueExpression) {
		Append(CGPropertyDefinition.MAGIC_VALUE_PARAMETER_NAME)
	}

	override func generateAwaitExpression(_ expression: CGAwaitExpression) {
		if isVC() {
			Append("__await ")
			generateExpression(expression.Expression)
		} else {
			assert(false, "generateAwaitExpression is not supported in C++")
		}
	}

	override func generateAnonymousMethodExpression(_ expression: CGAnonymousMethodExpression) {
		// todo
	}

	override func generateAnonymousTypeExpression(_ expression: CGAnonymousTypeExpression) {
		// todo
	}

	/*
	override func generatePointerDereferenceExpression(_ expression: CGPointerDereferenceExpression) {
		// handled in base
	}
	*/

	/*
	override func generateUnaryOperatorExpression(_ expression: CGUnaryOperatorExpression) {
		// handled in base
	}
	*/

	/*
	override func generateBinaryOperatorExpression(_ expression: CGBinaryOperatorExpression) {
		// handled in base
	}
	*/

	/*
	override func generateUnaryOperator(_ `operator`: CGUnaryOperatorKind) {
		// handled in base
	}
	*/

	/*
	override func generateBinaryOperator(_ `operator`: CGBinaryOperatorKind) {
		// handled in base
	}
	*/

	/*
	override func generateIfThenElseExpression(_ expression: CGIfThenElseExpression) {
		// handled in base
	}
	*/

	/*
	override func generateArrayElementAccessExpression(_ expression: CGArrayElementAccessExpression) {
		// handled in base
	}
	*/

	internal func cppGenerateCallSiteForExpression(_ expression: CGMemberAccessExpression, forceSelf: Boolean = false) {
		if let callSite = expression.CallSite {
			if let typeReferenceExpression = expression.CallSite as? CGTypeReferenceExpression {
				generateTypeReference(typeReferenceExpression.`Type`, ignoreNullability: true)
			} else {
				generateExpression(callSite)
			}
		} else if forceSelf {
			generateExpression(CGSelfExpression.`Self`)
		}
	}

	func cppGenerateCallParameters(_ parameters: List<CGCallParameter>) {
		for p in 0 ..< parameters.Count {
			let param = parameters[p]
			if p > 0 {
				Append(", ")
			}

			switch param.Modifier {
				case .Var: Append(" &")
				case .Out: Append(" &")
				default:
			}
			generateExpression(param.Value)
		}
	}

	func cppGenerateAttributeParameters(_ parameters: List<CGCallParameter>) {
		// not needed
	}

	func cppGenerateDefinitionParameters(_ parameters: List<CGParameterDefinition>, header: Boolean) {
		helpGenerateCommaSeparatedList(parameters) { param in
			switch param.Modifier {
				case .Const: self.Append("const ")
				case .Var: self.Append("/* var */ ")
				case .Out: self.Append("/* out */ ")
				default:
			}
			if let type = param.`Type` {
				self.generateTypeReference(type)
			} else {
				self.assert("CGParameterDefinition needs a type, for Objective-C")
			}
			switch param.Modifier {
				case .Var: self.Append(" &")
				case .Out: self.Append(" &")
				default:
			}
			self.Append(" ")
			self.generateIdentifier(param.Name)
			if header {
				if let pv = param.DefaultValue, pv != nil {
					self.Append(" = ")
					self.generateExpression(pv)
				}
			}

		}
	}

	func cppGenerateAncestorList(_ type: CGClassOrStructTypeDefinition) {
		if type.Ancestors.Count > 0 {
			Append(" : ")
			cppGenerateTypeVisibilityPrefix(type.Visibility)
			for a in 0 ..< type.Ancestors.Count {
				if let ancestor = type.Ancestors[a] {
					if a > 0 {
						Append(", ")
					}
					generateTypeReference(ancestor, ignoreNullability: true)
				}
			}
		}
		if type.ImplementedInterfaces.Count > 0 {
			for a in 0 ..< type.ImplementedInterfaces.Count {
				if let interface = type.ImplementedInterfaces[a] {
					Append(", ")
					generateTypeReference(interface, ignoreNullability: true)
				}
			}
		}
	}


	func cppGenerateAddressing(_ expression: CGMemberAccessExpression) {
		if (expression.CallSite != nil) {
			switch expression.CallSiteKind{
				case .Instance: Append(".");
				case .Reference: Append("->");
				case .Static: Append("::");
				case .Unspecified:
					if let typeref = expression.CallSite as? CGTypeReferenceExpression {
						Append("::")
					} else if let typeref = expression.CallSite as? CGInheritedExpression {
						Append("::")
					} else if let typeref = expression.CallSite as? CGSelfExpression {
						Append(".")
					} else {
						Append(".")
					}
			}
		}
	}


	override func generateFieldAccessExpression(_ expression: CGFieldAccessExpression) {
		if expression.CallSite != nil {
			cppGenerateCallSiteForExpression(expression, forceSelf: true)
			cppGenerateAddressing(expression);
		}
		generateIdentifier(expression.Name)
	}

	override func generateMethodCallExpression(_ method: CGMethodCallExpression) {
		if method.CallSite != nil {
			cppGenerateCallSiteForExpression(method, forceSelf: true)
			cppGenerateAddressing(method)
		}
		Append(method.Name)
		Append("(")
		cppGenerateCallParameters(method.Parameters)
		Append(")")
	}

	override func generateNewInstanceExpression(_ expression: CGNewInstanceExpression) {
		Append("new ")
		generateExpression(expression.`Type`, ignoreNullability: true)
		generateGenericArguments(expression.GenericArguments)
		Append("(")
		cppGenerateCallParameters(expression.Parameters)
		Append(")")
	}

	override func generateDestroyInstanceExpression(_ expression: CGDestroyInstanceExpression) {
		//#hint cover 'delete [] a' case
		// problem with deleting arrays:
		// int * a = new int[500];
		// delete [] a;
		Append("delete ");
		generateExpression(expression.Instance);
	}

	override func generatePropertyAccessExpression(_ property: CGPropertyAccessExpression) {
		cppGenerateCallSiteForExpression(property, forceSelf: false)
		cppGenerateAddressing(property)
		Append(property.Name)

		if let params = property.Parameters, params.Count > 0 {
			Append("[")
			cppGenerateCallParameters(property.Parameters)
			Append("]")
		}
	}

	override func generateEnumValueAccessExpression(_ expression: CGEnumValueAccessExpression) {
		// don't prefix with typename in cpp
		generateIdentifier(expression.ValueName)
	}

	/*
	override func generateStringLiteralExpression(_ expression: CGStringLiteralExpression) {
		// handled in base
	}
	*/

	/*
	override func generateCharacterLiteralExpression(_ expression: CGCharacterLiteralExpression) {
		// handled in base
	}
	*/

	/*
	override func generateIntegerLiteralExpression(_ expression: CGIntegerLiteralExpression) {
		// handled in base
	}
	*/

	/*
	override func generateFloatLiteralExpression(_ literalExpression: CGFloatLiteralExpression) {
		// handled in base
	}
	*/

	override func generateArrayLiteralExpression(_ array: CGArrayLiteralExpression) {
		if isCBuilder() {
			if array.ArrayKind == .Dynamic {
				var isOpenArray = false
				if let ltype = array.ElementType {
					// open array
					isOpenArray = true;
					Append("OPENARRAY(")
					generateTypeReference(ltype)
					Append(", (")
				} else {
					// array of const
					Append("ARRAYOFCONST((")
				}
				helpGenerateCommaSeparatedList(array.Elements) { e in
						self.generateExpression(e)
				}
				Append(")")
				Append(")")
				return;
			}
		}
		Append("{")
		helpGenerateCommaSeparatedList(array.Elements) { e in
			self.generateExpression(e)
		}
		Append("}")
	}

	override func generateSetLiteralExpression(_ expression: CGSetLiteralExpression) {
		if let type = expression.ElementType {
			generateTypeReference(type, ignoreNullability: true)
		}
		Append("()")
		if expression.Elements.Count > 0 {
			Append(" << ")
			helpGenerateCommaSeparatedList(expression.Elements) { e in
					self.generateExpression(e)
			}
		}
	}

	override func generateDictionaryExpression(_ dictionary: CGDictionaryLiteralExpression) {
		assert(dictionary.Keys.Count == dictionary.Values.Count, "Number of keys and values in Dictionary doesn't match.")
		Append("{")
		for e in 0 ..< dictionary.Keys.Count {
			if e > 0 {
				Append(", ")
			}
			generateExpression(dictionary.Keys[e])
			Append(": ")
			generateExpression(dictionary.Values[e])
		}
		Append("}")
	}

	/*
	override func generateTupleExpression(_ expression: CGTupleLiteralExpression) {
		// default handled in base
	}
	*/

// override func generateSetTypeReference(_ setType: CGSetTypeReference) {
// assert(false, "generateSetTypeReference is not supported in C++")
// }
//
// override func generateSequenceTypeReference(_ sequence: CGSequenceTypeReference) {
// assert(false, "generateSequenceTypeReference is not supported in C++")
// }

	//
	// Type Definitions
	//

	override func generateAttribute(_ attribute: CGAttribute, inline: Boolean) {
		// no-op, we dont support attribtes in Objective-C
	}

	override func generateAliasType(_ type: CGTypeAliasDefinition) {

	}

	override func generateBlockType(_ type: CGBlockTypeDefinition) {

	}

	override func generateEnumType(_ type: CGEnumTypeDefinition) {
		// overriden in H
	}

	override func generateClassTypeStart(_ type: CGClassTypeDefinition) {
		// overriden and H
	}

	override func generateClassTypeEnd(_ type: CGClassTypeDefinition) {
		AppendLine()
	}

// func cppGenerateFields(_ type: CGTypeDefinition) {
// for m in type.Members {
// if let property = m as? CGPropertyDefinition {
// if property.GetStatements == nil && property.SetStatements == nil && property.GetExpression == nil && property.SetExpression == nil {
// if let type = property.`Type` {
// generateTypeReference(type)
// Append(" ")
// } else {
// Append("id ")
// }
// Append("__p_")
// generateIdentifier(property.Name, escaped: false)
// AppendLine(";")
// }
// } else if let field = m as? CGFieldDefinition {
// if let type = field.`Type` {
// generateTypeReference(type)
// Append(" ")
// } else {
// Append("id ")
// }
// generateIdentifier(field.Name)
// AppendLine(";")
// }
// }
// }

	override func generateStructTypeStart(_ type: CGStructTypeDefinition) {
		// overriden in H
	}

	override func generateStructTypeEnd(_ type: CGStructTypeDefinition) {
		// overriden in H
	}

	override func generateInterfaceTypeStart(_ type: CGInterfaceTypeDefinition) {
		// overriden in H
	}

	override func generateInterfaceTypeEnd(_ type: CGInterfaceTypeDefinition) {
		// overriden in H
	}

	override func generateExtensionTypeStart(_ type: CGExtensionTypeDefinition) {
		// overriden in M and H
	}

	override func generateExtensionTypeEnd(_ type: CGExtensionTypeDefinition) {
		AppendLine("@end")
	}

	//
	// Type Members
	//
	func cppGenerateCallingConversion(_ callingConvention: CGCallingConventionKind){
		if isCBuilder() {
			switch callingConvention {
				case .CDecl: Append("__cdecl ")
				case .Pascal: Append("__pascal ")
				case .FastCall: Append("__msfastcall ")
				case .StdCall: Append("__stdcall ")
				case .Register: Append("__fastcall ")
				default:
			}
		} else if isVC(){
			switch callingConvention {
				case .CDecl: Append("__cdecl ")
				case .ClrCall: Append("__clrcall ")
				case .StdCall: Append("__stdcall ")
				case .FastCall: Append("__fastcall ")
				case .ThisCall: Append("__thiscall ")
				case .VectorCall: Append("__vectorcall ")
				default:
			}
		} else if isStandard() {
			// only cdecl is used be default;
		}
	}

	func cppGenerateMethodDefinitionHeader(_ method: CGMethodLikeMemberDefinition, type: CGTypeDefinition, header: Boolean) {
		let isCtor = (method as? CGConstructorDefinition) != nil
		let isDtor = (method as? CGDestructorDefinition) != nil
		let isInterface = (type as? CGInterfaceTypeDefinition) != nil
		let isGlobal = type is CGGlobalTypeDefinition
		if header {
			if method.Static {
				if isCBuilder() {
					Append("__classmethod ")
				} else
				{
					Append("static ")
				}
			}
		}
		if header {
			if isInterface && isCBuilder(){
				Append("virtual ");
			} else if !isGlobal {
				// virtuality isn't supported for globals
				switch (method.Virtuality) {
					case .Virtual: Append("virtual ");
					case .Override: Append("virtual ");
					default: // ????
				}
				if method.Reintroduced {
					Append(" HIDESBASE ")
				}
			}
		}

		if !isCtor && !isDtor{
			// ctor&dtor have no result
			if let returnType = method.ReturnType {
				generateTypeReference(returnType)
			} else {
				Append("void")
			}
			Append(" ")
		}
		if let conversion = method.CallingConvention {
			cppGenerateCallingConversion(conversion)
		}
		if isCtor {
			if !header {
				if let namespace = currentUnit.Namespace {
					generateIdentifier(namespace.Name)
					Append("::")
				}
				generateIdentifier(type.Name)
				Append("::")
			}
			if let lname = method.Name, lname != "" {
				generateIdentifier(lname)
			} else {
				generateIdentifier(type.Name)
			}
		} else if isDtor {
			if !header {
				if let namespace = currentUnit.Namespace {
					generateIdentifier(namespace.Name)
					Append("::")
					generateIdentifier(type.Name)
					Append("::")
				}
			}
			Append("~")
			generateIdentifier(type.Name);
		} else {
			if !header {
				if !(isGlobal && (method.Visibility == .Private)) {
					if let namespace = currentUnit.Namespace {
						generateIdentifier(namespace.Name)
						Append("::")
					}
				}
				if !isGlobal {
					generateIdentifier(type.Name)
					Append("::")
				}
			}
			generateIdentifier(method.Name)
		}
		Append("(")
		cppGenerateDefinitionParameters(method.Parameters, header: header)
		Append(")")
		if header && isInterface {
			Append(" = 0")
		}
		if !header && isCtor {
			if let classtype = type as? CGClassOrStructTypeDefinition {
				if classtype.Ancestors.Count > 0 {
					AppendLine();
					incIndent()
					Append(": ")
					generateTypeReference(classtype.Ancestors[0],ignoreNullability: true)
					Append("(")
					var processed = false;
					for s in method.Statements {
						if let ctorCall = s as? CGConstructorCallStatement {
							cppGenerateCallParameters(ctorCall.Parameters);
							processed = true;
							break
						}
					}
					if !processed{
						helpGenerateCommaSeparatedList(method.Parameters) { p in
								self.generateIdentifier(p.Name)
						}
/* for var p = 0; p < method.Parameters.Count; p++ {
							let param = method.Parameters[p]
							if p > 0 {
								Append(", ")
							}
							generateIdentifier(param.Name)
						}*/
					}
					Append(")")
					decIndent()
				}
			}
		}
	}

	override func generateMethodDefinition(_ method: CGMethodDefinition, type: CGTypeDefinition) {
		// overriden in H
	}

	override func generateConstructorDefinition(_ ctor: CGConstructorDefinition, type: CGTypeDefinition) {
	 // overriden in H & CPP
	}

	override func generateDestructorDefinition(_ dtor: CGDestructorDefinition, type: CGTypeDefinition) {
		cppGenerateMethodDefinitionHeader(dtor, type: type, header: true)
		AppendLine(";")
	}

	override func generateFinalizerDefinition(_ finalizer: CGFinalizerDefinition, type: CGTypeDefinition) {

	}

	override func generateFieldDefinition(_ field: CGFieldDefinition, type: CGTypeDefinition) {
		// use field as is
		if let type = field.`Type` {
			if field.Constant {
				Append("const ")
			}
			generateTypeReference(type, ignoreNullability: false)
			Append(" ")
			generateIdentifier(field.Name)
			if let value = field.Initializer {
				Append(" = ")
				generateExpression(value)
			}
			AppendLine(";")
		} else {
		// without type, generate as define
			Append("#define ");
			generateIdentifier(field.Name)
			if let value = field.Initializer {
				Append(" ")
				generateExpression(value)
			}
			AppendLine();
		}
	}

	override func generatePropertyDefinition(_ property: CGPropertyDefinition, type: CGTypeDefinition) {
		// overriden in H
	}

	override func generateEventDefinition(_ event: CGEventDefinition, type: CGTypeDefinition) {

	}

	override func generateCustomOperatorDefinition(_ customOperator: CGCustomOperatorDefinition, type: CGTypeDefinition) {

	}

	//
	// Type References
	//

	override func generateNamedTypeReference(_ type: CGNamedTypeReference, ignoreNamespace: Boolean, ignoreNullability: Boolean) {
		if ignoreNamespace {
			generateIdentifier(type.Name)
		} else {
			if let namespace = type.Namespace, (namespace.Name != "") {
				generateIdentifier(namespace.Name)
				Append("::")
			}
			generateIdentifier(type.Name)
		}
		generateGenericArguments(type.GenericArguments)
		if type.IsClassType && !ignoreNullability {
			Append("*")
		}
	}

	override func generatePredefinedTypeReference(_ type: CGPredefinedTypeReference, ignoreNullability: Boolean = false) {
		switch (type.Kind) {
			case .Int: Append("int") //+
			case .UInt: Append("unsigned int") //+
			case .Int8: Append("char") //+
			case .UInt8: Append("unsigned char") //+
			case .Int16: Append("short int") //+
			case .UInt16: Append("unsigned short int") //+
			case .Int32: Append("int") //+
			case .UInt32: Append("unsigned int") //+
			case .Int64: if isCBuilder() {Append("__int64")} else {Append("long int")} //+
			case .UInt64: Append("unsigned long int") //+
			case .IntPtr: Append("IntPtr") //???????
			case .UIntPtr: Append("UIntPtr") //???????
			case .Single: Append("float") //+
			case .Double: Append("double") //+
			case .Boolean: Append("bool") //+
			case .String: Append("string") //+
			case .AnsiChar: Append("char") //+
			case .UTF16Char: Append("wchar_t") //+
			case .UTF32Char: Append("wchar_t") //+
			case .Dynamic: Append("{DYNAMIC}") //??????
			case .InstanceType: Append("{INSTANCETYPE}") //??????
			case .Void: Append("void") //+
			case .Object: Append("{OBJECT}") //??????
			case .Class: Append("{CLASS}") //??????
		}
	}

	override func generateInlineBlockTypeReference(_ type: CGInlineBlockTypeReference, ignoreNullability: Boolean = false) {

		let block = type.Block

		if let returnType = block.ReturnType {
			generateTypeReference(returnType)
		} else {
			Append("void")
		}
		Append("(^)(")
		for p in 0 ..< block.Parameters.Count {
			if p > 0 {
				Append(", ")
			}
			if let type = block.Parameters[p].`Type` {
				generateTypeReference(type)
			} else {
				Append("id")
			}
		}
		Append(")")
	}

	override func generateConstantTypeReference(_ type: CGConstantTypeReference, ignoreNullability: Boolean = false) {
		generateTypeReference(type.`Type`)
		Append(" const")
	}

// override func generateKindOfTypeReference(_ type: CGKindOfTypeReference) {
// Append("__kindof ")
// generateTypeReference(type.`Type`)
// }

	override func generateArrayTypeReference(_ type: CGArrayTypeReference, ignoreNullability: Boolean = false) {
		if isCBuilder() {
			if type.ArrayKind == .Dynamic {
				Append("DynamicArray<")
				generateTypeReference(type.`Type`)
				Append(">")
				return
			}
		}
		generateTypeReference(type.`Type`)
		generateArrayBounds(type)
	}

	func generateArrayBounds(_ type: CGArrayTypeReference) {
		if let bounds = type.Bounds {
			var count = bounds.Count
			if count == 0 {
				Append("[]")
			}
			else {
				for b in bounds {
					if let end = b.End {
						Append("[")
						generateExpression(end)
						Append("]")
					} else {
						Append("[]")
					}
				}
			}
		} else {
			Append("[]")
		}
	}

	override func generateDictionaryTypeReference(_ type: CGDictionaryTypeReference, ignoreNullability: Boolean = false) {

	}

	func generatePragma(_ pragma: String){
		Append("#pragma ");
		AppendLine(pragma);
	}

	func cppGenerateTypeVisibilityPrefix(_ visibility: CGTypeVisibilityKind) {
		switch visibility {
			case .Unspecified: break
			case .Unit: break
			case .Assembly: break
			case .Public: Append("public ")
		}
	}

	override func generatePointerTypeReference(_ type: CGPointerTypeReference) {
		generateTypeReference(type.`Type`)
		if type.Reference {
			Append("&")
		} else {
			Append("*")
		}
	}
}