public override object VisitBinaryOperatorOnExpression([NotNull] ClepsParser.BinaryOperatorOnExpressionContext context)
{
IValue leftValue = Visit(context.LeftExpression) as IValue;
IValue rightValue = Visit(context.RightExpression) as IValue;
if (context.operatorSymbol().GetText() != "==" || leftValue.ExpressionType != CompilerConstants.ClepsByteType || rightValue.ExpressionType != CompilerConstants.ClepsByteType)
{
throw new NotImplementedException("This kind of binary operation on these types is not yet implemented");
}
return(CodeGenerator.GetAreByteValuesEqual(leftValue, rightValue));
}
public override object VisitBinaryOperatorOnExpression([NotNull] ClepsParser.BinaryOperatorOnExpressionContext context)
{
IValue leftValue = Visit(context.LeftExpression) as IValue;
IValue rightValue = Visit(context.RightExpression) as IValue;
string operatorString = context.operatorSymbol().GetText();
IValue ret;
if (leftValue.ExpressionType == rightValue.ExpressionType)
{
List <IValue> parameters = new List <IValue>()
{
leftValue, rightValue
};
return(doFunctionCall(context, operatorString, parameters, null /* target */, leftValue.ExpressionType, false));
}
else
{
throw new NotImplementedException("Operators for non equal types not supported");
}
return(ret);
}
/// <summary>
/// Exit a parse tree produced by <see cref="ClepsParser.BinaryOperatorOnExpression"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitBinaryOperatorOnExpression([NotNull] ClepsParser.BinaryOperatorOnExpressionContext context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="ClepsParser.BinaryOperatorOnExpression"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitBinaryOperatorOnExpression([NotNull] ClepsParser.BinaryOperatorOnExpressionContext context)
{
return(VisitChildren(context));
}
public override LLVMRegister VisitBinaryOperatorOnExpression([NotNull] ClepsParser.BinaryOperatorOnExpressionContext context)
{
LLVMRegister leftExpression = Visit(context.LeftExpression);
LLVMRegister rightExpression = Visit(context.RightExpression);
if (leftExpression.VariableType != rightExpression.VariableType)
{
throw new NotImplementedException("Operators on different types are not yet supported");
}
string expressionClassName = leftExpression.VariableType.RawTypeName;
string operatorName = context.operatorSymbol().GetText();
if (ClepsLLVMTypeConvertorInst.IsPrimitiveLLVMType(leftExpression.VariableType))
{
LLVMValueRef leftValue = LLVM.BuildLoad(Builder, leftExpression.LLVMPtrValueRef, "leftValue");
LLVMValueRef rightValue = LLVM.BuildLoad(Builder, rightExpression.LLVMPtrValueRef, "rightValue");
LLVMRegister ret = null;
//will return null if this is not an arithmetic operation
ret = GenerateNativeArithmeticOperation(context, leftValue, rightValue, operatorName);
if (ret == null)
{
//will return null if this is not a comparison operation
ret = GenerateNativeComparison(context, leftValue, rightValue, operatorName);
}
if (ret == null)
{
string errorMessage = String.Format("The native class {0} does not support operator {1}", expressionClassName, operatorName);
Status.AddError(new CompilerError(FileName, context.Start.Line, context.Start.Column, errorMessage));
//just assume this is operation returns a constant int to avoid stalling the compilation
ret = GetConstantIntRegisterOfClepsType(context, LLVM.Int32TypeInContext(Context), 7, "int32" /* friendly type name */);
}
return(ret);
}
else
{
if (!ClassManager.LoadedClassesAndMembers[expressionClassName].DoesClassContainMember(operatorName, false /* search member types only */))
{
string errorMessage = String.Format("The class {0} does not have a operator {1} defined", expressionClassName, operatorName);
Status.AddError(new CompilerError(FileName, context.Start.Line, context.Start.Column, errorMessage));
//just assume this is operation returns a constant int to avoid stalling the compilation
LLVMRegister ret = GetConstantIntRegisterOfClepsType(context, LLVM.Int32TypeInContext(Context), 7, "int32" /* friendly type name */);
return(ret);
}
ClepsClass variableClass = ClassManager.LoadedClassesAndMembers[expressionClassName];
if (!variableClass.MemberMethods.ContainsKey(operatorName))
{
string errorMessage = String.Format("The class {0} does not have operator {1} defined", expressionClassName, operatorName);
Status.AddError(new CompilerError(FileName, context.Start.Line, context.Start.Column, errorMessage));
//just assume this is operation returns a constant int to avoid stalling the compilation
LLVMRegister ret = GetConstantIntRegisterOfClepsType(context, LLVM.Int32TypeInContext(Context), 7, "int32" /* friendly type name */);
return(ret);
}
ClepsType assignmentFunctionToCall = variableClass.MemberMethods[operatorName];
if (assignmentFunctionToCall.FunctionParameters.Count != 3 && assignmentFunctionToCall.FunctionParameters[1] != leftExpression.VariableType && assignmentFunctionToCall.FunctionParameters[2] != rightExpression.VariableType)
{
string errorMessage = String.Format("The class {0} does not have an operator {1} defined that takes parameter ({2}, {3})", expressionClassName, operatorName, leftExpression.VariableType, rightExpression.VariableType);
Status.AddError(new CompilerError(FileName, context.Start.Line, context.Start.Column, errorMessage));
//just assume this is operation returns a constant int to avoid stalling the compilation
LLVMRegister ret = GetConstantIntRegisterOfClepsType(context, LLVM.Int32TypeInContext(Context), 7, "int32" /* friendly type name */);
return(ret);
}
string assignmentFunctionNameToCall = String.Format("{0}.{1}", expressionClassName, operatorName);
LLVMValueRef llvmAssignmentFunction = LLVM.GetNamedFunction(Module, assignmentFunctionNameToCall);
LLVMValueRef operatorArg = LLVM.BuildLoad(Builder, rightExpression.LLVMPtrValueRef, "operatorArg");
LLVMValueRef[] parameters = new LLVMValueRef[] { leftExpression.LLVMPtrValueRef, operatorArg };
LLVMValueRef operatorReturnRegister = LLVM.BuildCall(Builder, llvmAssignmentFunction, parameters, "operator" + operatorName + "Call");
LLVMValueRef operatorReturnPtr = LLVM.BuildAlloca(Builder, LLVM.TypeOf(operatorReturnRegister), "operatorReturnPtr");
LLVM.BuildStore(Builder, operatorReturnRegister, operatorReturnPtr);
ClepsType returnType = assignmentFunctionToCall.FunctionReturnType;
LLVMRegister operatorReturn = new LLVMRegister(returnType, operatorReturnPtr);
return(operatorReturn);
}
}