protected void ImportMethod(
FilePosition fp,
string symbolName,
ImportedModule module,
string declaringTypeName,
string methodName,
bool instance,
IrisType returnType,
IrisType[] paramTypes)
{
ImportedType declaringType = module.TryGetTypeByName(declaringTypeName);
if (declaringType == null)
{
CompileErrors.Add(fp, String.Format("Cannot find imported type '{0}'.", declaringTypeName));
return;
}
ImportedMethod importedMethod = declaringType.TryFindMethod(methodName, instance, returnType, paramTypes);
if (importedMethod == null)
{
CompileErrors.Add(fp, String.Format("Cannot find imported function or procedure '{0}.{1}'.", declaringTypeName, methodName));
return;
}
Method method = importedMethod.ConvertToIrisMethod();
bool containsInvalidType = method.ReturnType == IrisType.Invalid;
foreach (Variable param in method.GetParameters())
{
if (containsInvalidType)
break;
if (param.Type == IrisType.Invalid)
containsInvalidType = true;
}
if (containsInvalidType)
CompileErrors.Add(fp, String.Format("The function or procedure '{0}.{1}' contains types that are not supported by the language.", declaringTypeName, methodName));
else
SymbolTable.Add(symbolName, method, StorageClass.Global, importedMethod);
}
protected void ImportGlobalField(
FilePosition fp,
string symbolName,
ImportedModule module,
string declaringTypeName,
string fieldName)
{
ImportedType declaringType = module.TryGetTypeByName(declaringTypeName);
if (declaringType == null)
{
CompileErrors.Add(fp, String.Format("Cannot find imported type '{0}'.", declaringTypeName));
return;
}
ImportedField field = declaringType.TryGetPublicStaticField(fieldName);
if (field == null)
{
CompileErrors.Add(fp, String.Format("Cannot find imported field '{0}.{1}'.", declaringTypeName, fieldName));
return;
}
IrisType fieldType = field.FieldType;
if (fieldType == IrisType.Invalid)
{
CompileErrors.Add(fp, String.Format("Type of field '{0}.{1}' is not supported by the language.", declaringTypeName, fieldName));
return;
}
SymbolTable.Add(symbolName, field.FieldType, StorageClass.Global, field);
}
