public override int VisitRawTypeMapStatment([NotNull] ClepsParser.RawTypeMapStatmentContext context)
{
string className = String.Join(".", CurrentNamespaceAndClass);
ClepsType rawLLVMType = ClepsType.GetBasicType(context.typename());
//make sure this maps to an llvm type
LLVMTypeRef?llvmType = ClepsLLVMTypeConvertorInst.GetPrimitiveLLVMTypeOrNull(rawLLVMType);
if (llvmType == null)
{
string errorMessage = String.Format("Class {0} has a raw llvm type mapping to {1} which is not a valid llvm type", className, rawLLVMType.GetTypeName());
Status.AddError(new CompilerError(FileName, context.Start.Line, context.Start.Column, errorMessage));
return(-1);
}
if (ClassManager.ClassContainsRawLLVMTypeMapping(className))
{
string errorMessage = String.Format("Class {0} already has a raw llvm type mapping to {1}. Cannot add another raw type mapping to {2}", className, ClassManager.LoadedClassesAndMembers[className].RawLLVMTypeMap.GetTypeName(), rawLLVMType.GetTypeName());
Status.AddError(new CompilerError(FileName, context.Start.Line, context.Start.Column, errorMessage));
return(-1);
}
if (ClassManager.RawLLVMTypeMappingExists(rawLLVMType))
{
string errorMessage = String.Format("Raw llvm type {0} already has a mapping to {1}. Cannot add another raw type mapping to {2}", rawLLVMType.GetTypeName(), ClassManager.RawLLVMTypeMappingClasses[rawLLVMType].FullyQualifiedName, className);
Status.AddError(new CompilerError(FileName, context.Start.Line, context.Start.Column, errorMessage));
return(-1);
}
ClassManager.AddRawLLVMTypeMapping(className, rawLLVMType);
return(0);
}
public override LLVMRegister VisitFunctionVariableDeclarationStatement([NotNull] ClepsParser.FunctionVariableDeclarationStatementContext context)
{
ClepsParser.VariableDeclarationStatementContext variableDeclarationStatement = context.variableDeclarationStatement();
string variableName = variableDeclarationStatement.variable().VariableName.Text;
if (VariableManager.IsVariableDefined(variableName))
{
string errorMessage = String.Format("Variable {0} is already defined", variableName);
Status.AddError(new CompilerError(FileName, context.Start.Line, context.Start.Column, errorMessage));
return(null);
}
ClepsType clepsVariableType = ClepsType.GetBasicType(variableDeclarationStatement.typename());
LLVMTypeRef? primitiveTypeOrNull = ClepsLLVMTypeConvertorInst.GetPrimitiveLLVMTypeOrNull(clepsVariableType);
LLVMValueRef variable;
if (primitiveTypeOrNull != null)
{
variable = LLVM.BuildAlloca(Builder, primitiveTypeOrNull.Value, variableName + "Ptr");
}
else if (clepsVariableType.IsPointerType)
{
LLVMTypeRef?pointerType = ClepsLLVMTypeConvertorInst.GetLLVMTypeOrNull(clepsVariableType);
if (pointerType == null)
{
string errorMessage = String.Format("Could not find type {0}", clepsVariableType.GetTypeName());
Status.AddError(new CompilerError(FileName, context.Start.Line, context.Start.Column, errorMessage));
return(null);
}
variable = LLVM.BuildAlloca(Builder, pointerType.Value, variableName + "Ptr");
}
else
{
LLVMValueRef?constructorReturn = CallConstructorAllocaForType(context, clepsVariableType, variableName);
if (constructorReturn == null)
{
return(null);
}
variable = constructorReturn.Value;
}
VariableManager.AddLocalVariable(variableName, clepsVariableType, variable);
LLVMRegister ret = new LLVMRegister(clepsVariableType, variable);
return(ret);
}
