public static bool IsCallMethodInsideNamespace(Instruction instruction, string targetNamespace,
out MethodReference methodRef)
{
methodRef = null;
if (InstructionHelper.IsCallMethod(instruction.OpCode.Code))
{
var method = instruction.Operand as MethodReference;
if (method != null && method.FullName.Contains(targetNamespace))
{
methodRef = method;
return(true);
}
}
return(false);
}
/// <summary>
/// Parses the instruction.
/// </summary>
/// <param name="mainProcessor">The processor.</param>
/// <param name="asmCollection">The papyrus assembly collection.</param>
/// <param name="instruction">The instruction.</param>
/// <param name="targetMethod">The target method.</param>
/// <param name="type">The type.</param>
/// <returns></returns>
/// <exception cref="System.NotImplementedException"></exception>
/// <exception cref="MissingVariableException"></exception>
public IEnumerable <PapyrusInstruction> Process(
IClrInstructionProcessor mainProcessor,
IReadOnlyCollection <PapyrusAssemblyDefinition> asmCollection,
Instruction instruction,
MethodDefinition targetMethod, TypeDefinition type)
{
bool isStructAccess;
var outputInstructions = new List <PapyrusInstruction>();
if (InstructionHelper.NextInstructionIs(instruction, Code.Ldnull) &&
InstructionHelper.NextInstructionIs(instruction.Next, Code.Cgt_Un))
{
var stack = mainProcessor.EvaluationStack;
//var itemToCheck = stack.Pop().Value;
var itemToCheck = instruction.Operand as FieldReference;
if (itemToCheck != null)
{
mainProcessor.EvaluationStack.Push(
new EvaluationStackItem
{
Value = itemToCheck,
TypeName = ""
}
);
mainProcessor.EvaluationStack.Push(
new EvaluationStackItem
{
Value = null,
TypeName = "none"
}
);
mainProcessor.SkipToOffset =
InstructionHelper.NextInstructionIsOffset(instruction.Next, Code.Cgt_Un) - 1;
//bool structAccess;
//var targetVar = mainInstructionProcessor.GetTargetVariable(tarInstruction, null, out structAccess, "Bool");
//if (mainInstructionProcessor.SkipNextInstruction)
//{
// mainInstructionProcessor.SkipToOffset += 2;
// mainInstructionProcessor.SkipNextInstruction = false;
//}
//outputInstructions.Add(mainInstructionProcessor.CreatePapyrusInstruction(PapyrusOpCodes.Is,
// mainInstructionProcessor.CreateVariableReferenceFromName(targetVar), fieldDef,
// mainInstructionProcessor.CreateVariableReferenceFromName(typeToCheckAgainst.Name)));
return(outputInstructions);
}
}
if (InstructionHelper.IsLoadMethodRef(instruction.OpCode.Code))
{
// Often used for delegates or Action/func parameters, when loading a reference pointer to a method and pushing it to the stack.
// To maintain the evaluation stack, this could add a dummy item, but for now im not going to do so.
}
if (InstructionHelper.IsLoadLength(instruction.OpCode.Code))
{
var popCount = Utility.GetStackPopCount(instruction.OpCode.StackBehaviourPop);
if (mainProcessor.EvaluationStack.Count >= popCount)
{
var val = mainProcessor.EvaluationStack.Pop();
if (val.TypeName.EndsWith("[]"))
{
if (val.Value is PapyrusPropertyDefinition)
{
// for now, so if this exception is thrown, i will have to remember I have to fix it.
throw new NotImplementedException();
}
if (val.Value is PapyrusVariableReference || val.Value is PapyrusFieldDefinition ||
val.Value is PapyrusParameterDefinition)
{
int variableIndex;
var storeInstruction =
mainProcessor.GetNextStoreLocalVariableInstruction(instruction,
out variableIndex);
if (storeInstruction != null ||
InstructionHelper.IsConverToNumber(instruction.Next.OpCode.Code))
{
if (InstructionHelper.IsConverToNumber(instruction.Next.OpCode.Code))
{
mainProcessor.SkipNextInstruction = false;
mainProcessor.SkipToOffset = 0;
var targetVariableName = mainProcessor.GetTargetVariable(instruction,
null, out isStructAccess, "Int", true);
var allVars = mainProcessor.PapyrusMethod.GetVariables();
var targetVariable = allVars.FirstOrDefault(v => v.Name.Value == targetVariableName);
if (targetVariable == null &&
mainProcessor.PapyrusCompilerOptions == PapyrusCompilerOptions.Strict)
{
throw new MissingVariableException(targetVariableName);
}
if (targetVariable != null)
{
mainProcessor.EvaluationStack.Push(new EvaluationStackItem
{
TypeName = targetVariable.TypeName.Value,
Value = targetVariable
});
outputInstructions.Add(
mainProcessor.CreatePapyrusInstruction(
PapyrusOpCodes.ArrayLength,
mainProcessor.CreateVariableReference(
PapyrusPrimitiveType.Reference, targetVariableName), val.Value));
}
}
else
{
var allVars = mainProcessor.PapyrusMethod.GetVariables();
mainProcessor.EvaluationStack.Push(new EvaluationStackItem
{
TypeName = allVars[variableIndex].TypeName.Value,
Value = allVars[variableIndex]
});
outputInstructions.Add(
mainProcessor.CreatePapyrusInstruction(PapyrusOpCodes.ArrayLength,
allVars[variableIndex], val.Value));
//return "ArrayLength " + allVars[variableIndex].Name + " " +
// (val.Value as VariableReference).Name;
}
}
}
}
}
// ArrayLength <outputVariableName> <arrayName>
}
if (InstructionHelper.IsLoadArgs(instruction.OpCode.Code))
{
var index = (int)mainProcessor.GetNumericValue(instruction);
if (targetMethod.IsStatic && index == 0 && targetMethod.Parameters.Count == 0)
{
mainProcessor.EvaluationStack.Push(new EvaluationStackItem
{
IsThis = true,
Value = type,
TypeName = type.FullName
});
}
else
{
if (targetMethod.HasThis && index == 0)
{
return(outputInstructions);
}
if (!targetMethod.IsStatic && index > 0)
{
index--;
}
if (index < mainProcessor.PapyrusMethod.Parameters.Count)
{
mainProcessor.EvaluationStack.Push(new EvaluationStackItem
{
Value = mainProcessor.PapyrusMethod.Parameters[index],
TypeName = mainProcessor.PapyrusMethod.Parameters[index].TypeName.Value
});
}
}
}
if (InstructionHelper.IsLoadInteger(instruction.OpCode.Code))
{
var index = mainProcessor.GetNumericValue(instruction);
mainProcessor.EvaluationStack.Push(new EvaluationStackItem {
Value = index, TypeName = "Int"
});
}
if (InstructionHelper.IsLoadNull(instruction.OpCode.Code))
{
mainProcessor.EvaluationStack.Push(new EvaluationStackItem
{
Value = "None",
TypeName = "None"
});
}
if (InstructionHelper.IsLoadLocalVariable(instruction.OpCode.Code))
{
var index = (int)mainProcessor.GetNumericValue(instruction);
var allVariables = mainProcessor.PapyrusMethod.GetVariables();
if (index < allVariables.Count)
{
mainProcessor.EvaluationStack.Push(new EvaluationStackItem
{
Value = allVariables[index],
TypeName = allVariables[index].TypeName.Value
});
}
}
if (InstructionHelper.IsLoadString(instruction.OpCode.Code))
{
var value = StringUtility.AsString(instruction.Operand);
mainProcessor.EvaluationStack.Push(new EvaluationStackItem
{
Value = value,
TypeName = "String"
});
}
if (InstructionHelper.IsLoadFieldObject(instruction.OpCode.Code))
{
if (instruction.Operand is FieldReference)
{
var fieldRef = instruction.Operand as FieldReference;
PapyrusFieldDefinition targetField = null;
targetField = mainProcessor.PapyrusType.Fields.FirstOrDefault(
f => f.Name.Value == "::" + fieldRef.Name.Replace('<', '_').Replace('>', '_'));
if (targetField == null)
{
targetField = mainProcessor.GetDelegateField(fieldRef);
}
if (targetField != null)
{
mainProcessor.EvaluationStack.Push(new EvaluationStackItem
{
Value = targetField,
TypeName = targetField.TypeName
});
}
if (InstructionHelper.PreviousInstructionWas(instruction, Code.Ldflda) &&
fieldRef.FullName.Contains("/"))
{
var targetStructVariable = mainProcessor.EvaluationStack.Pop().Value;
var structRef = new PapyrusStructFieldReference(mainProcessor.PapyrusAssembly, null)
{
StructSource = targetStructVariable,
StructVariable = mainProcessor.CreateVariableReferenceFromName(fieldRef.Name)
};
mainProcessor.EvaluationStack.Push(new EvaluationStackItem
{
Value = structRef,
TypeName = "$StructAccess$"
});
return(outputInstructions);
// // The target field is not inside the declared type.
// // Most likely, this is a get field from struct.
// if (fieldRef.FieldType.FullName.Contains("/"))
// {
// var location = fieldRef.FieldType.FullName.Split("/").LastOrDefault();
// var targetStruct = mainInstructionProcessor.PapyrusType.NestedTypes.FirstOrDefault(n => n.Name.Value == location);
// if (targetStruct != null)
// {
// targetField = mainInstructionProcessor.PapyrusType.Fields.FirstOrDefault(
// f => f.Name.Value == "::" + fieldRef.Name);
// // var stack = mainInstructionProcessor.EvaluationStack;
// // TODO: Add support for getting values from Structs
// //
// // CreatePapyrusInstruction(PapyrusOpCode.StructGet, ...)
// }
// }
}
//else
//{
// targetField = mainInstructionProcessor.PapyrusType.Fields.FirstOrDefault(
// f => f.Name.Value == "::" + fieldRef.Name.Replace('<', '_').Replace('>', '_'));
//}
}
}
if (InstructionHelper.IsLoadElement(instruction.OpCode.Code))
{
// TODO: Load Element (Arrays, and what not)
var popCount = Utility.GetStackPopCount(instruction.OpCode.StackBehaviourPop);
if (mainProcessor.EvaluationStack.Count >= popCount)
{
var itemIndex = mainProcessor.EvaluationStack.Pop();
var itemArray = mainProcessor.EvaluationStack.Pop();
object targetItemIndex = null;
var targetItemArray = itemArray.Value;
if (itemIndex.Value != null)
{
targetItemIndex = itemIndex.Value;
}
// 128 is the array size limit for Skyrim
if (mainProcessor.PapyrusAssembly.VersionTarget == PapyrusVersionTargets.Skyrim)
{
if ((targetItemIndex as int?) > 128)
{
targetItemIndex = 128;
}
}
// We want to use the Array Element together with a Method Call?
var isBoxing = InstructionHelper.IsBoxing(instruction.Next.OpCode.Code);
if (isBoxing || InstructionHelper.IsCallMethod(instruction.Next.OpCode.Code))
{
if (isBoxing)
{
var sourceArray = targetItemArray as PapyrusVariableReference;
if (sourceArray != null)
{
// Since we apply our logic necessary for this "boxing" right here
// we can skip the next instruction to avoid unexpected behaviour.
mainProcessor.SkipNextInstruction = true;
// Create a new Temp Variable
// Assign our value to this temp variable and push it to the stack
// so that the next instruction can take care of it.
var tempVariableType = sourceArray.TypeName.Value.Replace("[]", "");
var destinationTempVar = mainProcessor.GetTargetVariable(instruction, null,
out isStructAccess, tempVariableType, true);
var varRef =
mainProcessor.PapyrusMethod.GetVariables()
.FirstOrDefault(n => n.Name.Value == destinationTempVar);
mainProcessor.EvaluationStack.Push(new EvaluationStackItem
{
Value = varRef ?? (object)destinationTempVar,
// Should be the actual variable reference
TypeName = tempVariableType
});
outputInstructions.Add(
mainProcessor.CreatePapyrusInstruction(PapyrusOpCodes.ArrayGetElement,
mainProcessor.CreateVariableReference(
PapyrusPrimitiveType.Reference, destinationTempVar),
targetItemArray,
targetItemIndex));
}
}
else
{
// Get the method reference and then create a temp variable that
// we can use for assigning the value to.
var methodRef = instruction.Next.Operand as MethodReference;
if (methodRef != null && methodRef.HasParameters)
{
var sourceArray = targetItemArray as PapyrusVariableReference;
if (sourceArray != null)
{
var tempVariableType = sourceArray.TypeName.Value.Replace("[]", "");
var destinationTempVar = mainProcessor.GetTargetVariable(instruction,
methodRef, out isStructAccess,
tempVariableType);
// "ArrayGetElement " + destinationTempVar + " " + targetItemArray + " " + targetItemIndex;
outputInstructions.Add(
mainProcessor.CreatePapyrusInstruction(
PapyrusOpCodes.ArrayGetElement,
mainProcessor.CreateVariableReference(
PapyrusPrimitiveType.Reference, destinationTempVar),
targetItemArray,
targetItemIndex));
}
}
}
}
else
{
// Otherwise we just want to store it somewhere.
int destinationVariableIndex;
// Get the target variable by finding the next store instruction and returning the variable index.
mainProcessor.GetNextStoreLocalVariableInstruction(instruction,
out destinationVariableIndex);
var destinationVar =
mainProcessor.PapyrusMethod.GetVariables()[destinationVariableIndex];
// ArrayGetElement targetVariable targetItemArray targetItemIndex
outputInstructions.Add(
mainProcessor.CreatePapyrusInstruction(PapyrusOpCodes.ArrayGetElement,
destinationVar,
targetItemArray,
targetItemIndex)
);
}
}
}
return(outputInstructions);
}
/// <summary>
/// Parses the instruction.
/// </summary>
/// <param name="mainProcessor">The main processor.</param>
/// <param name="asmCollection">The papyrus assembly collection.</param>
/// <param name="instruction">The instruction.</param>
/// <param name="targetMethod">The target method.</param>
/// <param name="type">The type.</param>
/// <returns></returns>
public IEnumerable <PapyrusInstruction> Process(
IClrInstructionProcessor mainProcessor,
IReadOnlyCollection <PapyrusAssemblyDefinition> asmCollection,
Instruction instruction,
MethodDefinition targetMethod,
TypeDefinition type)
{
var allVariables = mainProcessor.PapyrusMethod.GetVariables();
if (InstructionHelper.IsStoreElement(instruction.OpCode.Code))
{
var popCount = Utility.GetStackPopCount(instruction.OpCode.StackBehaviourPop);
if (mainProcessor.EvaluationStack.Count >= popCount)
{
var newValue = mainProcessor.EvaluationStack.Pop();
var itemIndex = mainProcessor.EvaluationStack.Pop();
var itemArray = mainProcessor.EvaluationStack.Pop();
object targetItemIndex = null;
object targetItemArray = null;
object targetItemValue = null;
if (itemIndex.Value is PapyrusVariableReference)
{
targetItemIndex = itemIndex.Value as PapyrusVariableReference;
}
else if (itemIndex.Value != null)
{
targetItemIndex = itemIndex.Value;
}
if (mainProcessor.PapyrusAssembly.VersionTarget == PapyrusVersionTargets.Skyrim)
{
if ((targetItemIndex as int?) > 128)
{
targetItemIndex = 128;
}
}
if (itemArray.Value is PapyrusVariableReference)
{
targetItemArray = itemArray.Value as PapyrusVariableReference;
}
if (newValue.Value is PapyrusVariableReference)
{
targetItemValue = newValue.Value as PapyrusVariableReference;
}
else if (newValue.Value != null)
{
targetItemValue = newValue.Value;
}
return
(ArrayUtility.ArrayOf(
mainProcessor.CreatePapyrusInstruction(PapyrusOpCodes.ArraySetElement,
targetItemArray, targetItemIndex,
targetItemValue)));
//return "ArraySetElement " + tar + " " + oidx + " " + val;
}
}
if (InstructionHelper.IsStoreLocalVariable(instruction.OpCode.Code) ||
InstructionHelper.IsStoreFieldObject(instruction.OpCode.Code))
{
if (instruction.Operand is FieldReference)
{
var fref = instruction.Operand as FieldReference;
// if the EvaluationStack.Count == 0
// The previous instruction might have been a call that returned a value
// Something we did not store...
if (mainProcessor.EvaluationStack.Count == 0 &&
InstructionHelper.IsCallMethod(instruction.Previous.OpCode.Code))
{
// If previous was a call, then we should have the evaluation stack with at least one item.
// But it seem like we don't... Inject tempvar?
}
if (mainProcessor.EvaluationStack.Count > 0)
{
var obj = mainProcessor.EvaluationStack.Pop();
var definedField = mainProcessor.PapyrusType.Fields.FirstOrDefault(
f => f.Name.Value == "::" + fref.Name.Replace('<', '_').Replace('>', '_'));
if (definedField == null)
{
definedField = mainProcessor.GetDelegateField(fref);
}
if (mainProcessor.EvaluationStack.Count > 0)
{
var nextObj = mainProcessor.EvaluationStack.Peek();
if (nextObj != null && nextObj.TypeName != null && nextObj.TypeName.Contains("#"))
{
// Store into Struct field.
definedField = nextObj.Value as PapyrusFieldDefinition;
var structPropName = fref.Name;
mainProcessor.EvaluationStack.Pop();
// Just pop it so it does not interfere with any other instructions
return
(ArrayUtility.ArrayOf(
mainProcessor.CreatePapyrusInstruction(PapyrusOpCodes.StructSet,
definedField, // location
mainProcessor.CreateVariableReferenceFromName(structPropName),
// Struct Property/Field Name
obj.Value // value
)));
}
}
if (definedField != null)
{
var structRef = obj.Value as PapyrusStructFieldReference;
if (structRef != null)
{
// StructGet -> TempVar
// Var <- TempVar
var structSource = structRef.StructSource as PapyrusFieldDefinition;
var structField = structRef.StructVariable;
var fieldType = GetStructFieldType(asmCollection, structSource, structField);
// 1. Create Temp Var
bool isStructAccess;
var tempVar = mainProcessor.GetTargetVariable(instruction, null,
out isStructAccess,
fieldType, true);
// 2. StructGet -> tempVar
// 3. Assign var <- tempVar
return(ArrayUtility.ArrayOf(
mainProcessor.CreatePapyrusInstruction(PapyrusOpCodes.StructGet,
mainProcessor.CreateVariableReferenceFromName(tempVar), structSource,
structField),
mainProcessor.CreatePapyrusInstruction(PapyrusOpCodes.Assign,
definedField, mainProcessor.CreateVariableReferenceFromName(tempVar))));
}
if (obj.Value is PapyrusParameterDefinition)
{
var varRef = obj.Value as PapyrusParameterDefinition;
// definedField.FieldVariable = varRef.;
// CreatePapyrusInstruction(PapyrusOpCode.Assign, definedField.Name.Value, varRef.Name.Value)
return
(ArrayUtility.ArrayOf(
mainProcessor.CreatePapyrusInstruction(PapyrusOpCodes.Assign,
definedField, varRef)));
}
if (obj.Value is PapyrusVariableReference)
{
var varRef = obj.Value as PapyrusVariableReference;
// definedField.Value = varRef.Value;
definedField.DefaultValue = varRef;
definedField.DefaultValue.Type = PapyrusPrimitiveType.Reference;
// CreatePapyrusInstruction(PapyrusOpCode.Assign, definedField.Name.Value, varRef.Name.Value)
if (varRef.IsDelegateReference)
{
return(new PapyrusInstruction[0]);
}
return
(ArrayUtility.ArrayOf(
mainProcessor.CreatePapyrusInstruction(PapyrusOpCodes.Assign,
definedField, varRef)));
}
//definedField.FieldVariable.Value =
// Utility.TypeValueConvert(definedField.FieldVariable.TypeName.Value, obj.Value);
var targetValue = valueTypeConverter.Convert(definedField.DefaultValue.TypeName.Value,
obj.Value);
return
(ArrayUtility.ArrayOf(
mainProcessor.CreatePapyrusInstruction(PapyrusOpCodes.Assign,
definedField, targetValue)));
// definedField.FieldVariable.Value
// "Assign " + definedField.Name + " " + definedField.Value;
}
}
}
var index = (int)mainProcessor.GetNumericValue(instruction);
object outVal = null;
if (index < allVariables.Count)
{
if (mainProcessor.EvaluationStack.Count > 0)
{
var heapObj = mainProcessor.EvaluationStack.Pop();
var structRef = heapObj.Value as PapyrusStructFieldReference;
if (structRef != null)
{
// Grabbing value from struct
var structSource = structRef.StructSource as PapyrusFieldDefinition;
var structField = structRef.StructVariable;
var fieldType = GetStructFieldType(asmCollection, structSource, structField);
// 1. Create Temp Var
bool isStructAccess;
var tempVar = mainProcessor.GetTargetVariable(instruction, null,
out isStructAccess,
fieldType, true);
// 2. StructGet -> tempVar
// 3. Assign var <- tempVar
return(ArrayUtility.ArrayOf(
mainProcessor.CreatePapyrusInstruction(PapyrusOpCodes.StructGet,
mainProcessor.CreateVariableReferenceFromName(tempVar), structSource,
structField),
mainProcessor.CreatePapyrusInstruction(PapyrusOpCodes.Assign,
allVariables[index],
mainProcessor.CreateVariableReferenceFromName(tempVar))));
}
if (heapObj.Value is PapyrusFieldDefinition)
{
heapObj.Value = (heapObj.Value as PapyrusFieldDefinition).DefaultValue;
}
if (heapObj.Value is PapyrusVariableReference)
{
var varRef = heapObj.Value as PapyrusVariableReference;
allVariables[index].Value = allVariables[index].Name.Value;
//varRef.Name.Value;
// "Assign " + allVariables[(int)index].Name.Value + " " + varRef.Name.Value;
return
(ArrayUtility.ArrayOf(
mainProcessor.CreatePapyrusInstruction(PapyrusOpCodes.Assign,
allVariables[index], varRef)));
}
// allVariables[index].Value
outVal = valueTypeConverter.Convert(allVariables[index].TypeName.Value, heapObj.Value);
}
var valout = outVal; //allVariables[index].Value;
//if (valout is string)
//{
// stringValue = valout.ToString();
//}
if (valout is PapyrusFieldDefinition)
{
return
(ArrayUtility.ArrayOf(mainProcessor.CreatePapyrusInstruction(
PapyrusOpCodes.Assign, allVariables[index], valout as PapyrusFieldDefinition)));
}
if (valout is PapyrusVariableReference)
{
return
(ArrayUtility.ArrayOf(mainProcessor.CreatePapyrusInstruction(
PapyrusOpCodes.Assign, allVariables[index], valout as PapyrusVariableReference)));
}
if (valout is PapyrusParameterDefinition)
{
return
(ArrayUtility.ArrayOf(mainProcessor.CreatePapyrusInstruction(
PapyrusOpCodes.Assign, allVariables[index], valout as PapyrusParameterDefinition)));
}
// "Assign " + allVariables[(int)index].Name.Value + " " + valoutStr;
if (valout == null)
{
valout = "None";
}
if (allVariables[index].IsDelegateReference)
{
// If this is a delegate reference, then we do not want to assign this value to anything.
return(new PapyrusInstruction[0]);
}
return
(ArrayUtility.ArrayOf(mainProcessor.CreatePapyrusInstruction(PapyrusOpCodes.Assign,
allVariables[index], valout)));
}
}
return(new PapyrusInstruction[0]);
}
/// <summary>
/// Processes the conditional instruction.
/// </summary>
/// <param name="mainProcessor">The main instruction processor.</param>
/// <param name="instruction">The instruction.</param>
/// <param name="overrideOpCode">The override op code.</param>
/// <param name="tempVariable">The temporary variable.</param>
/// <returns></returns>
public IEnumerable <PapyrusInstruction> Process(
IClrInstructionProcessor mainProcessor,
Instruction instruction,
Code overrideOpCode = Code.Nop,
string tempVariable = null)
{
bool isStructAccess;
var output = new List <PapyrusInstruction>();
//cast = null;
var heapStack = mainProcessor.EvaluationStack;
// TODO: GetConditional only applies on Integers and must add support for Float further on.
var papyrusOpCode =
Utility.GetPapyrusMathOrEqualityOpCode(
overrideOpCode != Code.Nop ? overrideOpCode : instruction.OpCode.Code, false);
if (heapStack.Count >= 2) //Utility.GetStackPopCount(instruction.OpCode.StackBehaviourPop))
{
var numeratorObject = heapStack.Pop();
var denumeratorObject = heapStack.Pop();
var vars = mainProcessor.PapyrusMethod.GetVariables();
int varIndex;
object numerator;
object denumerator;
if (numeratorObject.Value is PapyrusFieldDefinition)
{
numeratorObject.Value = (numeratorObject.Value as PapyrusFieldDefinition).DefaultValue;
}
if (denumeratorObject.Value is PapyrusFieldDefinition)
{
denumeratorObject.Value = (denumeratorObject.Value as PapyrusFieldDefinition).DefaultValue;
}
if (numeratorObject.Value is PapyrusVariableReference)
{
var varRef = numeratorObject.Value as PapyrusVariableReference;
var refTypeName = varRef.TypeName?.Value;
if (refTypeName == null)
{
refTypeName = "Int";
}
numerator = varRef;
// if not int or string, we need to cast it.
if (!refTypeName.ToLower().Equals("int") && !refTypeName.ToLower().Equals("system.int32") &&
!refTypeName.ToLower().Equals("system.string") && !refTypeName.ToLower().Equals("string"))
{
var typeVariable = mainProcessor.GetTargetVariable(instruction, null,
out isStructAccess, "Int");
output.Add(mainProcessor.CreatePapyrusCastInstruction(typeVariable, varRef));
// cast = "Cast " + typeVariable + " " + value1;
}
}
else if (numeratorObject.Value is FieldReference)
{
numerator =
mainProcessor.CreateVariableReferenceFromName(
(numeratorObject.Value as FieldReference).Name);
}
else
{
numerator = mainProcessor.CreateVariableReference(
Utility.GetPrimitiveTypeFromValue(numeratorObject.Value),
numeratorObject.Value);
}
if (denumeratorObject.Value is PapyrusVariableReference)
{
var varRef = denumeratorObject.Value as PapyrusVariableReference;
var refTypeName = varRef.TypeName.Value;
denumerator = varRef;
// if not int or string, we need to cast it.
if (!refTypeName.ToLower().Equals("int") && !refTypeName.ToLower().Equals("system.int32") &&
!refTypeName.ToLower().Equals("system.string") && !refTypeName.ToLower().Equals("string"))
{
// CAST BOOL TO INT
// var typeVariable = GetTargetVariable(instruction, null, "Int");
// cast = "Cast " + typeVariable + " " + value2;
var typeVariable = mainProcessor.GetTargetVariable(instruction, null,
out isStructAccess, "Int");
output.Add(mainProcessor.CreatePapyrusCastInstruction(typeVariable, varRef));
}
}
else if (denumeratorObject.Value is FieldReference)
{
denumerator =
mainProcessor.CreateVariableReferenceFromName(
(denumeratorObject.Value as FieldReference).Name);
}
else
{
denumerator =
mainProcessor.CreateVariableReference(
Utility.GetPrimitiveTypeFromValue(denumeratorObject.Value), denumeratorObject.Value);
}
if (!string.IsNullOrEmpty(tempVariable))
{
output.Add(mainProcessor.CreatePapyrusInstruction(papyrusOpCode,
mainProcessor.CreateVariableReferenceFromName(tempVariable), denumerator, numerator));
return(output);
}
// if (Utility.IsGreaterThan(code) || Utility.IsLessThan(code))
{
var next = instruction.Next;
// If the next one is a switch, it most likely
// means that we want to apply some mathematical stuff
// on our constant value so that we can properly do an equality
// comparison.
if (InstructionHelper.IsSwitch(next.OpCode.Code))
{
var newTempVariable = mainProcessor.GetTargetVariable(instruction, null,
out isStructAccess, "Int", true);
mainProcessor.SwitchConditionalComparer =
mainProcessor.CreateVariableReferenceFromName(newTempVariable);
mainProcessor.SwitchConditionalComparer.Type = PapyrusPrimitiveType.Reference;
mainProcessor.SwitchConditionalComparer.TypeName =
"Int".Ref(mainProcessor.PapyrusAssembly);
output.Add(mainProcessor.CreatePapyrusInstruction(papyrusOpCode,
mainProcessor.SwitchConditionalComparer, denumerator, numerator));
return(output);
}
while (next != null &&
!InstructionHelper.IsStoreLocalVariable(next.OpCode.Code) &&
!InstructionHelper.IsStoreFieldObject(next.OpCode.Code) &&
!InstructionHelper.IsCallMethod(next.OpCode.Code))
{
next = next.Next;
}
if (next != null && next.Operand is MethodReference)
{
// if none found, create a temp one.
var methodRef = next.Operand as MethodReference;
var tVar = mainProcessor.CreateTempVariable(
methodRef.MethodReturnType.ReturnType.FullName != "System.Void"
? methodRef.MethodReturnType.ReturnType.FullName
: "System.int");
var targetVar = tVar;
mainProcessor.EvaluationStack.Push(new EvaluationStackItem
{
Value = tVar.Value,
TypeName = tVar.TypeName.Value
});
output.Add(mainProcessor.CreatePapyrusInstruction(papyrusOpCode, targetVar,
denumerator, numerator));
return(output);
}
if (next == null)
{
// No intentions to store this value into a variable,
// Its to be used in a function call.
//return "NULLPTR " + denumerator + " " + numerator;
return(output);
}
mainProcessor.SkipToOffset = next.Offset;
if (next.Operand is FieldReference)
{
var field = mainProcessor.GetFieldFromStfld(next);
var structRef = field as PapyrusStructFieldReference;
if (structRef != null)
{
// output.Add(mainInstructionProcessor.CreatePapyrusInstruction(papyrusOpCode, field, denumerator, numerator));
// structRef.
}
else if (field != null)
{
output.Add(mainProcessor.CreatePapyrusInstruction(papyrusOpCode, field,
denumerator, numerator));
return(output);
// LastSaughtTypeName = fieldData.TypeName;
}
//if (field != null)
//{
// output.Add(mainInstructionProcessor.CreatePapyrusInstruction(papyrusOpCode, field, denumerator, numerator));
// return output;
// //return field.Name + " " + denumerator + " " + numerator;
//}
}
var numericValue = mainProcessor.GetNumericValue(next);
varIndex = (int)numericValue;
}
output.Add(mainProcessor.CreatePapyrusInstruction(papyrusOpCode, vars[varIndex], denumerator,
numerator));
//return vars[varIndex].Name + " " + denumerator + " " + numerator;
}
else if (mainProcessor.PapyrusCompilerOptions == PapyrusCompilerOptions.Strict)
{
throw new StackUnderflowException();
}
return(output);
}