private void CreateAssignment(IValueRegister register, ClepsParser.RightHandExpressionContext rightHandExpression)
{
IValue value = Visit(rightHandExpression) as IValue;
if (register.ExpressionType == value.ExpressionType && CompilerConstants.SystemSupportedTypes.Contains(register.ExpressionType))
{
CurrMethodGenerator.CreateAssignment(register, value);
}
else
{
throw new NotImplementedException("assignment for non byte types not supported yet");
}
}
private void ParseFilesWithGenerator(ClepsAbstractVisitor generator, CompileStatus status)
{
foreach (string fileName in Args.Files)
{
LexerParserErrorHandler lexerParserErrorHandler = new LexerParserErrorHandler(fileName, status);
var data = File.ReadAllText(fileName);
AntlrInputStream s = new AntlrInputStream(data);
ClepsLexer lexer = new ClepsLexer(s);
CommonTokenStream tokens = new CommonTokenStream(lexer);
ClepsParser parser = new ClepsParser(tokens);
parser.RemoveErrorListeners();
parser.AddErrorListener(lexerParserErrorHandler);
var parsedFile = parser.compilationUnit();
generator.ParseFile(fileName, parsedFile);
}
}
private void ParseFilesWithGenerator(ClepsAbstractVisitor generator, CompileStatus status)
{
foreach (string fileName in Args.Files)
{
LexerParserErrorHandler lexerParserErrorHandler = new LexerParserErrorHandler(fileName, status);
var data = File.ReadAllText(fileName);
AntlrInputStream s = new AntlrInputStream(data);
ClepsLexer lexer = new ClepsLexer(s);
CommonTokenStream tokens = new CommonTokenStream(lexer);
ClepsParser parser = new ClepsParser(tokens);
parser.RemoveErrorListeners();
parser.AddErrorListener(lexerParserErrorHandler);
var parsedFile = parser.compilationUnit();
generator.ParseFile(fileName, parsedFile);
}
}
public static ClepsType GetBasicOrVoidType(ClepsParser.TypenameAndVoidContext typenameAndVoidContext)
{
if(typenameAndVoidContext.VOID() != null)
{
return GetVoidType();
}
return GetBasicType(typenameAndVoidContext.typename());
}
public static ClepsType GetBasicType(ClepsParser.TypenameContext typeContext)
{
List<uint> arrayDimensions = typeContext._ArrayDimensions.Select(n => uint.Parse(n.GetText())).ToList();
return GetBasicType(typeContext.RawTypeName.GetText(), arrayDimensions, typeContext._PtrIndirectionLevel.Count);
}
private IValue doFunctionCall(ClepsParser.FunctionCallContext functionCall, ClepsType targetType, bool isMemberFunctionsAccessible, bool allowVoidReturn)
{
ClepsClass targetClepsClass;
if(targetType is BasicClepsType)
{
targetClepsClass = ClassManager.GetClass(targetType.GetClepsTypeString());
}
else if(targetType is BasicStaticClepsType)
{
targetClepsClass = ClassManager.GetClass(targetType.GetClepsTypeString());
isMemberFunctionsAccessible = false;
}
else
{
throw new NotImplementedException("Function calls on non basic types not supported");
}
string targetFunctionName = functionCall.FunctionName.GetText();
List<IValue> parameters = functionCall._FunctionParameters.Select(p => Visit(p) as IValue).ToList();
ClepsType functionType = null;
if (targetClepsClass.StaticMemberMethods.ContainsKey(targetFunctionName))
{
functionType = targetClepsClass.StaticMemberMethods[targetFunctionName];
}
else if (isMemberFunctionsAccessible && targetClepsClass.MemberMethods.ContainsKey(targetFunctionName))
{
functionType = targetClepsClass.MemberMethods[targetFunctionName];
}
if (functionType == null)
{
string errorMessage = String.Format("Class {0} does not contain a function called {1}", targetClepsClass.FullyQualifiedName, targetFunctionName);
Status.AddError(new CompilerError(FileName, functionCall.Start.Line, functionCall.Start.Column, errorMessage));
//Just return something to avoid stalling compilation
return CodeGenerator.CreateByte(0);
}
List<ClepsType> functionOverloads = new List<ClepsType> { functionType };
int matchedPosition;
string fnMatchErrorMessage;
if (!FunctionOverloadManager.FindMatchingFunctionType(functionOverloads, parameters, out matchedPosition, out fnMatchErrorMessage))
{
Status.AddError(new CompilerError(FileName, functionCall.Start.Line, functionCall.Start.Column, fnMatchErrorMessage));
//Just return something to avoid stalling compilation
return CodeGenerator.CreateByte(0);
}
FunctionClepsType chosenFunctionType = functionOverloads[matchedPosition] as FunctionClepsType;
if (!allowVoidReturn && chosenFunctionType.ReturnType == VoidType.GetVoidType())
{
string errorMessage = String.Format("Function {0} does not return a value", targetFunctionName);
Status.AddError(new CompilerError(FileName, functionCall.Start.Line, functionCall.Start.Column, errorMessage));
//Just return something to avoid stalling compilation
return CodeGenerator.CreateByte(0);
}
IValue returnValue = CodeGenerator.GetFunctionCallReturnValue(FullyQualifiedClassName, targetFunctionName, chosenFunctionType, parameters);
return returnValue;
}
private void CreateAssignment(IValueRegister register, ClepsParser.RightHandExpressionContext rightHandExpression)
{
IValue value = Visit(rightHandExpression) as IValue;
if (register.ExpressionType == value.ExpressionType && register.ExpressionType == CompilerConstants.ClepsByteType)
{
IMethodRegister methodRegister = CodeGenerator.GetMethodRegister(FullyQualifiedClassName, CurrMemberIsStatic, CurrMemberType, CurrMemberName);
methodRegister.CreateAssignment(register, value);
}
else
{
throw new NotImplementedException("assignment for non byte types not supported yet");
}
}