public FieldTranslationInfo GetOrMakeTranslationInfo(FieldInfo fieldInfo)
{
if (fieldInfo == null)
{
throw new ArgumentNullException(nameof(fieldInfo));
}
FieldTranslationInfo fti;
if (FieldTranslations.TryGetValue(fieldInfo, out fti))
{
return(fti);
}
if (fieldInfo.Name == "Py_EOL")
{
Debug.Write("");
}
fti = FieldTranslations[fieldInfo] = FieldTranslationInfo.FromFieldInfo(fieldInfo, this);
if (OnTranslationInfoCreated != null)
{
OnTranslationInfoCreated(this, new TranslationInfoCreatedEventArgs
{
FieldTranslation = fti
});
}
return(fti);
}
private static void Check(FieldInfo fieldInfo, FieldTranslationInfo fti)
{
if (fti == null)
{
throw new ArgumentNullException(nameof(fti));
}
if (fti.Destination != FieldTranslationDestionations.NormalField &&
fti.Destination != FieldTranslationDestionations.ClassConst)
{
throw new Exception(string.Format("Unable to find right way to convert field {0}",
fieldInfo.ExcName()));
}
}
public static FieldTranslationInfo FromFieldInfo(FieldInfo fieldInfo, TranslationInfo info)
{
if (fieldInfo == null)
{
return(null);
}
var fieldInfoDeclaringType = fieldInfo.DeclaringType;
if (fieldInfoDeclaringType == null)
{
throw new Exception("fieldInfo.DeclaringType is null"); // Resharper
}
var fti = new FieldTranslationInfo();
if (fieldInfo.IsLiteral)
{
fti.Destination = FieldTranslationDestionations.ClassConst;
}
{
fti.ScriptName = fieldInfo.Name;
if (!fieldInfo.IsPublic)
{
fti.ScriptName = "_" + fieldInfo.Name;
}
if (fieldInfo.IsPrivate)
{
fti.ScriptName = "__" + fieldInfo.Name;
}
var scriptNameAttribute = fieldInfo.GetCustomAttribute <PyNameAttribute>();
if (scriptNameAttribute != null)
{
fti.ScriptName = scriptNameAttribute.Name;
fti.IsScriptNamePyEncoded = scriptNameAttribute.Kind == PyNameAttribute.Kinds.IntIndex;
}
}
{
var asDefinedConstAttribute = fieldInfo.GetCustomAttribute <AsDefinedConstAttribute>();
if (asDefinedConstAttribute != null)
{
fti.Destination = FieldTranslationDestionations.DefinedConst;
if (!string.IsNullOrEmpty(asDefinedConstAttribute.DefinedConstName))
{
fti.ScriptName = asDefinedConstAttribute.DefinedConstName;
}
}
}
{
var globalVariableAttribute = fieldInfo.GetCustomAttribute <GlobalVariableAttribute>();
if (globalVariableAttribute != null)
{
Check(fieldInfo, fti);
fti.Destination = FieldTranslationDestionations.GlobalVariable;
if (!string.IsNullOrEmpty(globalVariableAttribute.GlobalVariableName))
{
fti.ScriptName = globalVariableAttribute.GlobalVariableName;
}
}
}
{
var asValueAttribute = fieldInfo.GetCustomAttribute <AsValueAttribute>();
if (asValueAttribute != null)
{
Check(fieldInfo, fti);
fti.Destination = FieldTranslationDestionations.JustValue;
fti.UsGlueForValue = asValueAttribute.Glue;
}
}
var canBeNull = false;
switch (fti.Destination)
{
case FieldTranslationDestionations.JustValue:
case FieldTranslationDestionations.GlobalVariable:
canBeNull = true;
fti.IncludeModule = null; // force null
break;
case FieldTranslationDestionations.DefinedConst:
case FieldTranslationDestionations.ClassConst:
case FieldTranslationDestionations.NormalField:
var cti = info.GetOrMakeTranslationInfo(fieldInfoDeclaringType);
fti.IncludeModule = cti.ModuleName;
if (cti.BuildIn)
{
fti.IncludeModule = null;
canBeNull = true;
}
var isFieldOutsideClass = fti.Destination == FieldTranslationDestionations.GlobalVariable ||
fti.Destination == FieldTranslationDestionations.DefinedConst;
{
// can be in other module for GlobalVariable and DefinedConst
var moduleAttribute = fieldInfo.GetCustomAttribute <PyModuleAttribute>();
if (moduleAttribute != null)
{
if (!isFieldOutsideClass)
{
throw new Exception(string.Format(
"Module attribute can only be defined for GlobalVariable or DefinedConst. Check {0}.",
fieldInfo.ExcName()));
}
fti.IncludeModule = PyCodeModuleName.FromAttribute(moduleAttribute);
}
}
if (cti.IsPage)
{
fti.IsDefinedInNonincludableModule = true;
}
if (!isFieldOutsideClass)
{
if (cti.IsArray || cti.Type.IsEnum || cti.BuildIn)
{
canBeNull = true;
fti.IncludeModule = null; // force null
}
else if (cti.DontIncludeModuleForClassMembers)
{
throw new Exception(
string.Format("field {0} belongs to nonincludable class (array, enum or skipped)",
fieldInfo.ExcName()));
}
}
break;
}
if (!fti.IncludeModule.IsEmpty())
{
return(fti);
}
if (canBeNull)
{
fti.IncludeModule = null; // can be not null but empty
fti.IsDefinedInNonincludableModule = false;
}
else
{
throw new Exception(string.Format("Include module is empty for field {0}.",
fieldInfo.ExcName()));
}
return(fti);
}
