public string GetMethodSourceCode(ICodeResult result, PapyrusMethodDefinition method)
{
var sb = new StringBuilder();
var methodBody = result.DecompiledSourceCode;
var isNone = method.ReturnTypeName.Value.ToLower() == "none";
var name = method.Name?.Value;
if (string.IsNullOrEmpty(name))
{
if (method.IsSetter)
{
name = "Set";
}
if (method.IsSetter)
{
name = "Get";
}
}
var returnValue = "";
var fDesc = "Function";
if (method.IsEvent)
{
fDesc = "Event";
}
else if (!isNone)
{
returnValue = method.ReturnTypeName.Value + " ";
}
var last = "";
if (method.IsNative)
{
last += " Native";
}
if (method.IsGlobal)
{
last += " Global";
}
var parameters = GetParameterString(method.Parameters);
sb.AppendLine(returnValue + fDesc + " " + name + parameters + last);
if (!string.IsNullOrEmpty(method.Documentation?.Value))
{
sb.AppendLine("{ " + method.Documentation?.Value + " }");
}
sb.AppendLine(IndentedLines(1, methodBody.Trim('\n', '\r')));
if (!method.IsNative)
{
sb.AppendLine("End" + fDesc);
}
return(sb.ToString().Trim('\n'));
}
public string FindDelegateInvokeReference(IDelegatePairDefinition pairDefinitions,
PapyrusMethodDefinition papyrusMethod)
{
// In case this is a delegate inside a delegate...
// _UtilizeDelegate4_b__0
var functionName = papyrusMethod.Name.Value;
var originalName = papyrusMethod.Name.Value;
if (functionName.StartsWith("_") && functionName.Contains("b_"))
{
functionName = functionName.Split('_')[1];
papyrusMethod.DelegateInvokeCount++;
}
var delegateMethod =
pairDefinitions.DelegateMethodDefinitions.FirstOrDefault(
del =>
del.Name.Contains("_" + functionName + "_") &&
del.Name.EndsWith("_" + papyrusMethod.DelegateInvokeCount));
if (delegateMethod == null)
{
delegateMethod =
pairDefinitions.DelegateMethodDefinitions.FirstOrDefault(
del =>
del.Name.Contains("_" + functionName + "_") && del.Name.Contains("b_") &&
del.Name != originalName);
}
papyrusMethod.DelegateInvokeCount++;
return(delegateMethod?.Name);
}
/// <summary>
/// Decompiles the specified context.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="method">The method.</param>
/// <returns></returns>
public IPapyrusDecompilerResult Decompile(IDecompilerContext context, PapyrusMethodDefinition method)
{
context.SetTargetMethod(method);
flowAnalyzer.FindVarTypes();
flowAnalyzer.CreateFlowBlocks();
flowAnalyzer.MapLongLivedTempVariables();
flowAnalyzer.AssignLongLivedTempVariables();
flowAnalyzer.RebuildExpressionsInBlocks();
flowAnalyzer.RebuildBooleanOperators(0, method.Body.Instructions.Count);
var tree = flowAnalyzer.RebuildControlFlow(0, method.Body.Instructions.Count);
tree = flowAnalyzer.Finalize(tree);
var result = codeGenerator.Generate(tree);
var sourceCode = codeGenerator.GetMethodSourceCode(result, method);
return(new PapyrusDecompilerResult(sourceCode, null));
}
private void WriteMethod(PapyrusMethodDefinition method)
{
pexWriter.Write(method.ReturnTypeName);
pexWriter.Write(method.Documentation);
pexWriter.Write(method.UserFlags);
pexWriter.Write(method.Flags);
pexWriter.Write((short)method.Parameters.Count);
foreach (var param in method.Parameters)
{
WriteParameter(param);
}
pexWriter.Write((short)method.Body.Variables.Count);
foreach (var variable in method.Body.Variables)
{
WriteVariable(variable);
}
pexWriter.Write((short)method.Body.Instructions.ToArray().Count(i => !i.TemporarilyInstruction));
foreach (var instruction in method.Body.Instructions)
{
if (!instruction.TemporarilyInstruction)
{
WriteInstruction(instruction);
}
}
}
public PapyrusControlFlowGraphBuilder(PapyrusMethodDefinition method)
{
this.method = method;
entryPoint = new PapyrusControlFlowNode(0, 0, PapyrusControlFlowNodeType.EntryPoint);
nodes.Add(entryPoint);
regularExit = new PapyrusControlFlowNode(1, -1, PapyrusControlFlowNodeType.RegularExit);
nodes.Add(regularExit);
}
public IEnumerable <PapyrusInstruction> ProcessInstructions(PapyrusAssemblyDefinition targetPapyrusAssembly,
PapyrusTypeDefinition targetPapyrusType,
PapyrusMethodDefinition targetPapyrusMethod, MethodDefinition method, MethodBody body,
Collection <Instruction> instructions,
PapyrusCompilerOptions options)
{
throw new NotImplementedException();
}
private MethodAttributes GetMethodAttributes(PapyrusMethodDefinition m)
{
var attrs = MethodAttributes.Public;
if (m.IsNative || m.IsGlobal)
{
attrs |= MethodAttributes.Static;
}
return(attrs);
}
public PapyrusReferenceValueViewModel(List <PapyrusAssemblyDefinition> loadedAssemblies,
PapyrusTypeDefinition currentType, PapyrusMethodDefinition currentMethod, OpCodeArgumentDescription desc)
{
this.loadedAssemblies = loadedAssemblies;
this.currentType = currentType;
this.currentMethod = currentMethod;
this.desc = desc;
if (currentMethod != null)
{
ReferenceCollection = new ObservableCollection <PapyrusMemberReference>(currentMethod.GetVariables());
}
ComboBoxItems = new ObservableCollection <FrameworkElement>(CreateComboBoxItems());
SelectedReferenceType = ComboBoxItems.First() as ComboBoxItem;
ReferenceSelectionVisible = Visibility.Visible;
}
public IMethodBodyOptimizerResult Optimize(PapyrusMethodDefinition method)
{
var methodBody = method.Body;
var variables = method.Body.Variables;
var success = false;
var optimizationRatio = 0d;
// 1. find all assignment on these variables
// 2. find all usage on the variables
// - If a variable is never assigned or never used, it is safe to be removed
// - If a variable is assigned but never used, it could still be needed.
// (Consider this: You have a property getter method that does some logic more than just returning the value)
// -- So, depending on what kind of assigning; it should find out if its safe to be removed or not.
return(new MethodBodyOptimizerResult(method, success, optimizationRatio));
}
public void TestPapyrusMethodFlags()
{
var m = new PapyrusMethodDefinition(PapyrusAssemblyDefinition.CreateAssembly(PapyrusVersionTargets.Fallout4));
m.SetFlags(PapyrusMethodFlags.Global);
Assert.IsTrue(m.IsGlobal);
Assert.IsFalse(m.IsNative);
m.IsNative = true;
Assert.IsTrue(m.IsGlobal);
Assert.IsTrue(m.IsNative);
m.IsGlobal = false;
Assert.IsFalse(m.IsGlobal);
Assert.IsTrue(m.IsNative);
}
/// <summary>
/// Builds the type index, mapping a table reference to its type.
/// </summary>
public void BuildVarTypeMap(PapyrusAssemblyDefinition asm, PapyrusMethodDefinition method)
{
varTypes.Clear();
var obj = asm.Types.First();
foreach (var t in obj.Fields)
{
varTypes[t.Name.Value.ToLower()] = t.TypeName;
}
foreach (var t in method.Parameters)
{
varTypes[t.Name.Value.ToLower()] = t.TypeName.Value;
}
foreach (var t in method.GetVariables())
{
varTypes[t.Name.Value.ToLower()] = t.TypeName.Value;
}
}
public PapyrusReferenceAndConstantValueViewModel(List <PapyrusAssemblyDefinition> loadedAssemblies,
PapyrusTypeDefinition currentType,
PapyrusMethodDefinition currentMethod, OpCodeArgumentDescription desc, PapyrusPrimitiveType[] argumentTypes)
{
this.loadedAssemblies = loadedAssemblies;
this.currentType = currentType;
this.currentMethod = currentMethod;
this.desc = desc;
this.argumentTypes = argumentTypes;
if (argumentTypes == null)
{
argumentTypes = new PapyrusPrimitiveType[0];
}
// Update the type constraints so we are only able to assign
// values of the correct types.
if (desc != null && argumentTypes.Length > 0)
{
UpdateTypeConstraints(argumentTypes);
}
if (currentMethod != null)
{
var references = new List <PapyrusMemberReference>();
references.AddRange(currentMethod.Parameters);
references.AddRange(currentMethod.GetVariables());
if (currentType != null)
{
references.AddRange(currentType.Fields);
}
ReferenceCollection = new ObservableCollection <PapyrusMemberReference>(references);
HideValueInputs();
ReferenceValueVisibility = Visibility.Visible;
//SelectedValueType = ReferenceCollection.LastOrDefault();
}
ComboBoxItems = new ObservableCollection <FrameworkElement>(CreateComboBoxItems());
SelectedValueType = ComboBoxItems.First() as ComboBoxItem;
}
private void ProcessInstructions(IEnumerable <PapyrusAssemblyDefinition> papyrusAssemblyCollection,
IDelegatePairDefinition delegatePairDef, MethodDefinition method, PapyrusAssemblyDefinition asm,
PapyrusTypeDefinition papyrusType, PapyrusMethodDefinition m, PapyrusCompilerOptions options)
{
var papyrusInstructions =
instructionProcessor.ProcessInstructions(papyrusAssemblyCollection, delegatePairDef, asm, papyrusType, m,
method, method.Body, method.Body.Instructions, options);
if (method.Name.ToLower() == "oninit")
{
List <PapyrusInstruction> structGets;
var ip = instructionProcessor as ClrInstructionProcessor;
// TODO: Going against solid here just because im to damn tired, which I ended up breaking in lots of places.
m.Body.Instructions.Insert(0,
ip.CallProcessor.CreatePapyrusCallInstruction(instructionProcessor, PapyrusOpCodes.Callmethod, constructor,
"self",
"::nonevar", new List <object>(), out structGets));
}
m.Body.Instructions.AddRange(papyrusInstructions);
}
public PapyrusMethodDefinition ReadMethod(PapyrusAssemblyDefinition asm)
{
var method = new PapyrusMethodDefinition(asm);
method.ReturnTypeName = pexReader.ReadStringRef();
method.Documentation = pexReader.ReadStringRef();
method.UserFlags = pexReader.ReadInt32();
method.Flags = pexReader.ReadByte();
var parameterCount = pexReader.ReadInt16();
for (var i = 0; i < parameterCount; i++)
{
method.Parameters.Add(ReadParameter(asm));
}
var localVariableCount = pexReader.ReadInt16();
for (var i = 0; i < localVariableCount; i++)
{
method.Body.Variables.Add(ReadVariable(asm));
}
var instructionCount = pexReader.ReadInt16();
for (var i = 0; i < instructionCount; i++)
{
var instruction = ReadInstruction(asm);
instruction.Offset = i;
method.Body.Instructions.Add(instruction);
}
for (var i = 0; i < instructionCount; i++)
{
var instruction = method.Body.Instructions[i];
if (i > 0)
{
var previous = method.Body.Instructions[i - 1];
previous.Next = instruction;
instruction.Previous = previous;
}
if (i < instructionCount - 1)
{
var next = method.Body.Instructions[i + 1];
instruction.Next = next;
next.Previous = instruction;
}
}
//var last = method.Body.Instructions.LastOrDefault();
//if (last != null)
//{
// if (last.OpCode != PapyrusOpCodes.Return)
// {
// var ret = new PapyrusInstruction()
// {
// OpCode = PapyrusOpCodes.Return,
// Previous = last,
// Offset = last.Offset + 1,
// TemporarilyInstruction = true,
// Arguments = new List<PapyrusVariableReference>(),
// OperandArguments = new List<PapyrusVariableReference>()
// };
// last.Next = ret;
// if (IsJump(last.OpCode))
// {
// last.Operand = ret;
// }
// ret.Operand = null;
// method.Body.Instructions.Add(ret);
// }
//}
return(method);
}
private PapyrusMethodDefinition CreatePapyrusMethodDefinition(
IEnumerable <PapyrusAssemblyDefinition> papyrusAssemblyCollection, PapyrusAssemblyDefinition asm,
PapyrusTypeDefinition papyrusType,
MethodDefinition method, IDelegatePairDefinition delegatePairDef, PapyrusCompilerOptions options)
{
if (method.IsConstructor)
{
// Replace: .ctor with __ctor
method.Name = method.Name.Replace(".", "__");
constructor = method;
}
var m = new PapyrusMethodDefinition(asm);
m.Documentation = "".Ref(asm);
m.UserFlags = attributeReader.ReadPapyrusAttributes(method).UserFlagsValue;
m.IsGlobal = method.IsStatic;
m.IsNative = method.CustomAttributes.Any(i => i.AttributeType.Name.Equals("NativeAttribute"));
m.Name = method.Name.Ref(asm);
var papyrusReturnType = Utility.GetPapyrusReturnType(method.ReturnType, activeClrType);
if (EnumDefinitions.Any(m2 => m2.FullName == method.ReturnType.FullName))
{
papyrusReturnType = "Int";
}
m.ReturnTypeName = papyrusReturnType.Ref(asm); // method.ReturnType.Name
m.Parameters = new List <PapyrusParameterDefinition>();
foreach (var p in method.Parameters)
{
// TODO: Add support for delegate as parameter
var paramTypeName = Utility.GetPapyrusReturnType(p.ParameterType, activeClrType, true);
// Replace enum types into Integer
if (EnumDefinitions.Any(i => i.FullName == p.ParameterType.FullName))
{
paramTypeName = "Int";
}
m.Parameters.Add(new PapyrusParameterDefinition
{
Name = p.Name.Ref(asm),
TypeName = paramTypeName.Ref(asm)
});
}
var clrVariables = method.Body.Variables;
var varNum = 0;
foreach (var clrVar in clrVariables)
{
var delegateVars =
delegatePairDef.DelegateMethodLocalPair.Where(d => d.Key == method).SelectMany(d => d.Value);
if (delegateVars.Any(d => "V_" + d.Index == "V_" + clrVar.Index))
{
// This local variable is pointing to a delegate
// and since we are removing all Delegate types, this wont work. So we have to change the type into something else.
// in this case, we are changing it into a Int
if (!clrVar.Name.Contains("$<>"))
// if we are reading symbols, delegate variables contains unwanted characters in their names.
// And since those are not going to be used. We can just skip these.
{
var varName = (!string.IsNullOrEmpty(clrVar.Name) ? clrVar.Name : clrVar.ToString()).Ref(asm);
var delegateInvokeRef = delegateFinder.FindDelegateInvokeReference(delegatePairDefinition, m);
m.Body.Variables.Add(new PapyrusVariableReference(varName, "Int".Ref(asm))
{
IsDelegateReference = true,
DelegateInvokeReference = delegateInvokeRef,
Value = varName.Value,
Type = PapyrusPrimitiveType.Reference
});
}
}
else
{
var varName = (!string.IsNullOrEmpty(clrVar.Name) ? clrVar.Name : clrVar.ToString()).Ref(asm);
var variableTypeName = Utility.GetPapyrusReturnType(clrVar.VariableType.FullName);
// If its an enum, we want to change the type into a Int
if (EnumDefinitions.Any(i => i.FullName == clrVar.VariableType.FullName))
{
variableTypeName = "Int";
}
m.Body.Variables.Add(new PapyrusVariableReference(varName, variableTypeName.Ref(asm))
{
Value = varName.Value,
Type = PapyrusPrimitiveType.Reference
});
}
varNum++;
}
if (method.HasBody)
{
ProcessInstructions(papyrusAssemblyCollection, delegatePairDef, method, asm, papyrusType, m, options);
if (papyrusReturnType == "None")
{
if (m.Body.Variables.All(n => n.Name.Value.ToLower() != "::nonevar"))
{
var nonevar = "::NoneVar".Ref(asm);
m.Body.Variables.Add(new PapyrusVariableReference(nonevar, "None".Ref(asm))
{
Value = nonevar.Value,
Type = PapyrusPrimitiveType.Reference
});
}
}
m.Body.Instructions.RecalculateOffsets();
}
return(m);
}
public void AddResult(PapyrusTypeDefinition type, PapyrusStateDefinition state, PapyrusMethodDefinition method,
PapyrusInstruction instruction, string search, string resultRepresentation)
{
SearchText = search;
usageRepresentaitons.Add(new FindResultData
{
Type = type,
State = state,
Method = method,
Instruction = instruction,
Text = resultRepresentation,
SearchText = search
});
}
/// <summary>
/// Writes the method.
/// </summary>
/// <param name="method">The method.</param>
/// <param name="type">The type.</param>
/// <param name="asm">The asm.</param>
/// <param name="indent">The indent.</param>
/// <param name="isGetter">if set to <c>true</c> [is getter].</param>
/// <param name="isSetter">if set to <c>true</c> [is setter].</param>
private void WriteMethod(PapyrusMethodDefinition method, PapyrusTypeDefinition type,
PapyrusAssemblyDefinition asm, int indent, PapyrusPropertyDefinition prop = null, bool isGetter = false,
bool isSetter = false)
{
// SetGlobalIndent(indent);
if (!isGetter && !isSetter)
{
if (method.Documentation != null && !string.IsNullOrEmpty(method.Documentation.Value))
{
WriteDoc(method.Documentation, indent);
}
Append("public " +
(method.IsGlobal ? "static " : "") +
(method.IsNative ? "extern " : "") +
((string)method.ReturnTypeName).Replace("None", "void") + " " +
(string)method.Name
, indent);
Append("(");
Append(string.Join(",",
method.Parameters.Select(i => (string)i.TypeName + " " + (string)i.Name)));
AppendLine(")");
}
AppendLine("{", indent);
//if (isGetter)
//{
// if (prop != null)
// {
// prop.
// }
// // type.Fields.FirstOrDefault(f=>f.Name.Value.Contains());
// AppendLine("return <backing_field>;", indent + 1);
//}
//else if (isSetter)
//{
// AppendLine("<backing_field> = value;", indent + 1);
//}
//else
{
if (method.HasBody)
{
var debug =
asm.DebugInfo.MethodDescriptions.FirstOrDefault(
m => method.Name != null && m.Name.Value == method.Name.Value);
if (debug != null)
{
AppendLine("// DEBUG LINE NUMBER: " + string.Join(",", debug.BodyLineNumbers.ToArray()),
indent + 1);
}
foreach (var var in method.GetVariables())
{
if (var.Name.Value.ToLower() == "::nonevar")
{
continue;
}
var typeName = (string)var.TypeName;
if (typeName.Contains("#"))
{
AppendLine("// Struct Variable: " + typeName, indent + 1);
AppendLine(typeName.Split('#').LastOrDefault() + " " + (string)var.Name + ";", indent + 1);
}
else
{
AppendLine(typeName + " " + (string)var.Name + ";", indent + 1);
}
}
//var flowGraphBuilder = new PapyrusControlFlowGraphBuilder(method);
//var graph = flowGraphBuilder.Build();
//graph.ComputeDominance();
//graph.ComputeDominanceFrontier();
//var nodes = graph.Nodes.Skip(2).ToList();
//var count = nodes.Count;
foreach (var instruction in method.Body.Instructions)
{
var instructionString = WriteInstruction(instruction, method, type);
foreach (
var row in instructionString.Split(new[] { Environment.NewLine }, StringSplitOptions.None))
{
AppendLine("/* " + instruction.Offset + " */ " + row, indent + 1);
}
}
//List<PapyrusInstruction> targetEnd = new List<PapyrusInstruction>();
//foreach (var n in nodes)
//{
// var end = n.End;
// //if (count > 1)
// // AppendLine("/* ====== Node Start ====== */", 1);
// foreach (var instruction in n.Instructions)
// {
// Append("/* " + instruction.Offset + " */ ", 1);
// WriteInstruction(indent, instruction, method, type, asm);
// }
// if (end != null && IsJump(end.OpCode))
// {
// var direction = int.Parse(end.GetArg(IsJumpf(end.OpCode) || IsJumpt(end.OpCode) ? 1 : 0));
// if (direction < 0)
// {
// // LOOP?
// }
// else
// {
// // BRANCHING
// }
// }
//}
}
}
AppendLine("}", indent);
}
//private void WriteInstructionConditional(SourceBuilder source, int indent, PapyrusInstruction instruction, PapyrusMethodDefinition method, PapyrusTypeDefinition type, PapyrusAssemblyDefinition asm)
//{
// SetBuilder(source, indent);
// var i = instruction;
// var boolean = instruction.GetArg(0);
// AppendLine("if (" + boolean + ")");
//}
//private bool IsJumpf(PapyrusOpCode opCode)
//{
// return opCode == PapyrusOpCode.Jmpf;
//}
//private bool IsJumpt(PapyrusOpCode opCode)
//{
// return opCode == PapyrusOpCode.Jmpt;
//}
//private bool IsJump(PapyrusOpCode opCode)
//{
// return opCode == PapyrusOpCode.Jmp || opCode == PapyrusOpCode.Jmpf || opCode == PapyrusOpCode.Jmpt;
//}
private string WriteInstruction(PapyrusInstruction instruction, PapyrusMethodDefinition method,
PapyrusTypeDefinition type)
{
var i = instruction;
switch (i.OpCode)
{
case PapyrusOpCodes.Nop:
{
return("// Do Nothing Operator (NOP)");
}
case PapyrusOpCodes.Callstatic:
{
var comment = WritePapyrusInstruction(i) + Environment.NewLine;
var val = string.Join(",", i.Arguments.Skip(2).Take(i.Arguments.Count - 3).Select(GetArgumentValue));
var location = GetArgumentValue(i.Arguments[0]);
var functionName = GetArgumentValue(i.Arguments[1]);
var assignee = GetArgumentValue(i.Arguments.LastOrDefault());
var args =
string.Join(",", val, string.Join(",", i.OperandArguments.Select(GetArgumentValue))).Trim(',');
if (assignee != null)
{
assignee += " = ";
if (assignee.ToLower().Contains("::nonevar"))
{
assignee = string.Empty;
}
}
return(comment + assignee + (location + ".").Replace("self.", "") + functionName + "(" + args + ");");
}
case PapyrusOpCodes.Callmethod:
{
var comment = WritePapyrusInstruction(i) + Environment.NewLine;
var val = string.Join(",", i.Arguments.Skip(2).Take(i.Arguments.Count - 3).Select(GetArgumentValue));
var location = GetArgumentValue(i.Arguments[1]);
var functionName = GetArgumentValue(i.Arguments[0]);
var assignee = GetArgumentValue(i.Arguments.LastOrDefault());
var args =
string.Join(",", val, string.Join(",", i.OperandArguments.Select(GetArgumentValue))).Trim(',');
if (assignee != null)
{
assignee += " = ";
if (assignee.ToLower().Contains("::nonevar"))
{
assignee = string.Empty;
}
}
return(comment + assignee + (location + ".").Replace("self.", "") + functionName + "(" + args + ");");
}
case PapyrusOpCodes.Return:
{
var comment = WritePapyrusInstruction(i) + Environment.NewLine;
string val;
var firstArg = GetArgumentValue(i.Arguments.FirstOrDefault());
var firstVarArg = GetArgumentValue(i.OperandArguments.FirstOrDefault());
if (firstArg != null)
{
val = " " + firstArg;
}
else if (firstVarArg != null)
{
val = " " + firstVarArg;
}
else
{
val = "";
}
return(comment + ("return" + val).Trim() + ";");
//WritePapyrusInstruction(i);
}
case PapyrusOpCodes.Assign:
{
var comment = WritePapyrusInstruction(i) + Environment.NewLine;
var val1 = GetArgumentValue(i.Arguments.FirstOrDefault());
var val2 = GetArgumentValue(i.Arguments.LastOrDefault());
var val3 = GetArgumentValue(i.OperandArguments.FirstOrDefault());
var val4 = GetArgumentValue(i.OperandArguments.LastOrDefault());
var var0 = val1 ?? val3;
var var1 = val2 ?? val4;
if (string.IsNullOrEmpty(var1))
{
return(var0 + " = null;");
}
return(comment + var0 + " = " + var1 + ";");
}
case PapyrusOpCodes.ArrayRemoveElements:
{
var comment = WritePapyrusInstruction(i) + Environment.NewLine;
var array = GetArgumentValue(i.Arguments[0]);
var index = GetArgumentValue(i.Arguments[1]);
var count = GetArgumentValue(i.Arguments[2]);
return(comment + "Array.RemoveItems(" + array + ", " + index + ", " + count + ");");
}
case PapyrusOpCodes.ArrayFindElement:
{
var comment = WritePapyrusInstruction(i) + Environment.NewLine;
var array = GetArgumentValue(i.Arguments[0]);
var destination = GetArgumentValue(i.Arguments[1]);
var elementToFind = GetArgumentValue(i.Arguments[2]);
var startIndex = GetArgumentValue(i.Arguments[3]);
return(comment + destination + " = Array.IndexOf(" + array + ", " + elementToFind + ", " +
startIndex + ");");
}
case PapyrusOpCodes.ArrayFindStruct:
{
var comment = WritePapyrusInstruction(i) + Environment.NewLine;
var array = GetArgumentValue(i.Arguments[0]);
var destination = GetArgumentValue(i.Arguments[1]);
var fieldToMatch = GetArgumentValue(i.Arguments[2]);
var value = GetArgumentValue(i.Arguments[3]);
var startIndex = GetArgumentValue(i.Arguments[4]);
return(comment + destination + " = Structs.IndexOf(" + array + ", " + fieldToMatch + ", " + value +
", " + startIndex + ");");
}
case PapyrusOpCodes.PropGet:
{
var comment = WritePapyrusInstruction(i) + Environment.NewLine;
var property = GetArgumentValue(i.Arguments[0]);
var owner = GetArgumentValue(i.Arguments[1]);
var targetVar = GetArgumentValue(i.Arguments[2]);
return(comment + targetVar + " = " + owner + "." + property + ";");
}
case PapyrusOpCodes.PropSet:
{
var comment = WritePapyrusInstruction(i) + Environment.NewLine;
var property = GetArgumentValue(i.Arguments[0]);
var owner = GetArgumentValue(i.Arguments[1]);
var value = GetArgumentValue(i.Arguments[2]);
return(comment + owner + "." + property + " = " + value + ";");
}
case PapyrusOpCodes.StructSet:
{
var structVar = GetArgumentValue(i.Arguments[0]);
var structField = GetArgumentValue(i.Arguments[1]);
var value = GetArgumentValue(i.Arguments[2]);
return(structVar + "." + structField + " = " + value + ";");
// (value + "." + structField + " = " + structVar + "." + structField + ";");
}
case PapyrusOpCodes.StructGet:
{
var asignee = GetArgumentValue(i.Arguments[0]);
var structVar = GetArgumentValue(i.Arguments[1]);
var structField = GetArgumentValue(i.Arguments[2]);
return(asignee + " = " + structVar + "." + structField + ";");
}
case PapyrusOpCodes.ArraySetElement:
{
var array = GetArgumentValue(i.Arguments[0]);
var index = GetArgumentValue(i.Arguments[1]);
var value = GetArgumentValue(i.Arguments[2]);
return(array + "[" + index + "] = " + value + ";");
}
case PapyrusOpCodes.ArrayGetElement:
{
var asignee = GetArgumentValue(i.Arguments[0]);
var array = GetArgumentValue(i.Arguments[1]);
var index = GetArgumentValue(i.Arguments[2]);
return(asignee + " = " + array + "[" + index + "];");
}
case PapyrusOpCodes.ArrayLength:
{
var asignee = GetArgumentValue(i.Arguments[0]);
var array = GetArgumentValue(i.Arguments[1]);
return(asignee + " = " + array + ".Length;");
}
case PapyrusOpCodes.ArrayCreate:
{
var asignee = GetArgumentValue(i.Arguments[0]);
var size = GetArgumentValue(i.Arguments[1]);
var possibleVar =
method.GetVariables().FirstOrDefault(v => v.Name.Value == asignee);
var field = type.Fields.FirstOrDefault(v => v.Name.Value == asignee);
var prop = type.Properties.FirstOrDefault(v => v.Name.Value == asignee);
if (possibleVar != null)
{
return(asignee + " = new " + possibleVar.TypeName.Value.Replace("[]", "") + "[" + size + "];");
}
if (field != null)
{
return(asignee + " = new " + field.TypeName.Replace("[]", "") + "[" + size + "];");
}
if (prop != null)
{
return(asignee + " = new " + prop.TypeName.Value.Replace("[]", "") + "[" + size + "];");
}
}
break;
case PapyrusOpCodes.Strcat:
{
var asignee = GetArgumentValue(i.Arguments[0]);
var str = GetArgumentValue(i.Arguments[1]);
var value = GetArgumentValue(i.Arguments[2]);
return(asignee + " = " + str + " + " + value + ";");
}
case PapyrusOpCodes.Fsub:
case PapyrusOpCodes.Isub:
{
return(DoMath(i, "-"));
}
case PapyrusOpCodes.Fadd:
case PapyrusOpCodes.Iadd:
{
return(DoMath(i, "+"));
}
case PapyrusOpCodes.Imod:
{
return(DoMath(i, "%"));
}
case PapyrusOpCodes.Fdiv:
case PapyrusOpCodes.Idiv:
{
return(DoMath(i, "/"));
}
case PapyrusOpCodes.Fmul:
case PapyrusOpCodes.Imul:
{
return(DoMath(i, "*"));
}
case PapyrusOpCodes.Fneg:
case PapyrusOpCodes.Ineg:
{
var comment = WritePapyrusInstruction(i) + Environment.NewLine;
var asignee = GetArgumentValue(i.Arguments[0]);
var target = GetArgumentValue(i.Arguments[1]);
return(comment + asignee + " = -" + target + ";");
}
case PapyrusOpCodes.CmpEq:
{
return(DoMath(i, "=="));
}
case PapyrusOpCodes.CmpGt:
{
return(DoMath(i, ">"));
}
case PapyrusOpCodes.CmpGte:
{
return(DoMath(i, ">="));
}
case PapyrusOpCodes.CmpLt:
{
return(DoMath(i, "<"));
}
case PapyrusOpCodes.CmpLte:
{
return(DoMath(i, "<="));
}
case PapyrusOpCodes.Not:
{
// var comment = WritePapyrusInstruction(i) + Environment.NewLine;
var assignee = i.GetArg(0);
var target = i.GetArg(1);
return(assignee + " = !" + target + ";");
}
case PapyrusOpCodes.Jmp:
{
var destination = GetArgumentValue(i.Arguments[0]);
return("// " + i.OpCode + " " + destination + " (offset: " +
(i.Offset + int.Parse(destination)) + ")");
}
case PapyrusOpCodes.Jmpt:
case PapyrusOpCodes.Jmpf:
{
var boolVal = GetArgumentValue(i.Arguments[0]);
var destination = GetArgumentValue(i.Arguments[1]);
return("// " + i.OpCode + " " + boolVal + " " + destination + " (offset: " +
(i.Offset + int.Parse(destination)) + ")");
}
default:
{
return(WritePapyrusInstruction(i));
}
}
return(null);
}
/// <summary>
/// Sets the target method.
/// </summary>
/// <param name="method">The method.</param>
public void SetTargetMethod(PapyrusMethodDefinition method)
{
targetMethod = method;
longLivedTempVars = new List <string>();
codeBlocks = new Map <int, PapyrusCodeBlock>();
}
//public object GetOperand()
//{
// OperandLookup()
// throw new System.NotImplementedException();
//}
private void ShowArgumentSelectionDialog(OpCodeArgumentDescription d)
{
if (d.Ref == OpCodeRef.Instruction)
{
var dialog = new PapyrusInstructionSelectorViewModel(currentMethod.Body.Instructions.ToArray(), d);
var result = dialogService.ShowDialog(dialog);
if (result == DialogResult.OK)
{
Arguments[d.Index] = dialog.SelectedInstruction;
}
}
else if (d.Ref == OpCodeRef.Type)
{
var dialog = new PapyrusTypeSelectorViewModel(loadedAssemblies, d);
var result = dialogService.ShowDialog(dialog);
if (result == DialogResult.OK)
{
Arguments[d.Index] = dialog.SelectedType;
}
}
else if (d.Ref == OpCodeRef.Method)
{
var targetType = GetTargetType(currentType);
var dialog = new PapyrusMethodSelectorViewModel(loadedAssemblies, targetType, d);
var result = dialogService.ShowDialog(dialog); // change currentType to selected type later
if (result == DialogResult.OK)
{
PapyrusMethodDefinition method = null;
var selMethod = dialog.SelectedMethod;
if (selMethod != null)
{
method = dialog.SelectedMethod.Item as PapyrusMethodDefinition;
}
if ((method != null && dialog.SelectedMethodName != null &&
(method.Name.Value != dialog.SelectedMethodName)) ||
(method == null && dialog.SelectedMethodName != null))
{
Arguments[d.Index] = CreateReferenceFromName(dialog.SelectedMethodName);
}
else
{
Arguments[d.Index] = method;
}
}
}
else
{
if (d.ValueType == OpCodeValueTypes.Constant)
{
var dialog = new PapyrusConstantValueViewModel(d);
var result = dialogService.ShowDialog(dialog);
if (result == DialogResult.OK)
{
Arguments[d.Index] = dialog.SelectedValue;
}
}
else if (d.ValueType == OpCodeValueTypes.Reference)
{
var dialog = new PapyrusReferenceValueViewModel(loadedAssemblies, currentType, currentMethod, d);
var result = dialogService.ShowDialog(dialog);
if (result == DialogResult.OK)
{
if (dialog.SelectedReference == null)
{
var name = dialog.SelectedReferenceName;
Arguments[d.Index] = CreateReferenceFromName(name);
}
else
{
Arguments[d.Index] = dialog.SelectedReference;
}
}
}
else
{
UpdateArgumentConstraintTypes();
var dialog = new PapyrusReferenceAndConstantValueViewModel(loadedAssemblies, currentType,
currentMethod, d, ArgumentTypes);
var result = dialogService.ShowDialog(dialog);
if (result == DialogResult.OK)
{
if (dialog.SelectedConstantValue == null && dialog.SelectedReferenceValue == null && dialog.SelectedReferenceName != null)
{
var name = dialog.SelectedReferenceName;
Arguments[d.Index] = CreateReferenceFromName(name);
}
else
{
Arguments[d.Index] = dialog.SelectedItem;
}
}
}
}
UpdateArguments();
}
/// <summary>
/// Initializes a new instance of the <see cref="InstructionArgumentEditorViewModel" /> class.
/// </summary>
/// <param name="dialogService">The dialog service.</param>
/// <param name="loadedAssemblies">The loaded assemblies.</param>
/// <param name="loadedAssembly">The loaded assembly.</param>
/// <param name="currentType">Type of the current.</param>
/// <param name="currentMethod">The current method.</param>
/// <param name="currentInstruction">The current instruction.</param>
/// <param name="desc">The desc.</param>
public InstructionArgumentEditorViewModel(IDialogService dialogService,
List <PapyrusAssemblyDefinition> loadedAssemblies,
PapyrusAssemblyDefinition loadedAssembly,
PapyrusTypeDefinition currentType,
PapyrusMethodDefinition currentMethod,
PapyrusInstruction currentInstruction,
OpCodeDescription desc)
{
this.dialogService = dialogService;
this.loadedAssemblies = loadedAssemblies;
this.loadedAssembly = loadedAssembly;
this.currentType = currentType;
this.currentMethod = currentMethod;
this.currentInstruction = currentInstruction;
this.desc = desc;
if (loadedAssembly != null && currentMethod != null)
{
BuildVarTypeMap(loadedAssembly, currentMethod);
}
Argument0Command = new RelayCommand(SelectArgument0);
Argument1Command = new RelayCommand(SelectArgument1);
Argument2Command = new RelayCommand(SelectArgument2);
Argument3Command = new RelayCommand(SelectArgument3);
Argument4Command = new RelayCommand(SelectArgument4);
var maxArgCount = 5;
if (this.desc != null)
{
maxArgCount = this.desc.Arguments.Count;
Arguments = new object[maxArgCount];
ArgumentTypes = new PapyrusPrimitiveType[maxArgCount];
}
if (currentInstruction != null)
{
var args = currentInstruction.Arguments.ToArray().Cast <object>().ToList();
while (args.Count < maxArgCount)
{
args.Add(null);
}
Arguments = OperandLookup(args.ToArray());
}
if (this.desc != null)
{
UpdateVisibilities();
try
{
UpdateArguments();
}
catch
{
// this.desc was null after all.
}
}
}
public MethodBodyOptimizerResult(PapyrusMethodDefinition result, bool success, double ratio)
{
Result = result;
Success = success;
Ratio = ratio;
}
public PapyrusInstructionEditorViewModel(IDialogService dialogService,
List <PapyrusAssemblyDefinition> loadedAssemblies, PapyrusAssemblyDefinition loadedAssembly,
PapyrusTypeDefinition currentType, PapyrusMethodDefinition currentMethod,
PapyrusInstruction instruction = null)
{
opCodeDescriptionReader = new OpCodeDescriptionReader();
if (File.Exists("OpCodeDescriptions.xml"))
{
opCodeDescriptionDefinition = opCodeDescriptionReader.Read("OpCodeDescriptions.xml");
}
else if (File.Exists(
@"C:\git\PapyrusDotNet\Source\PapyrusDotNet.PexInspector\OpCodeDescriptions.xml"))
{
opCodeDescriptionDefinition =
opCodeDescriptionReader.Read(
@"C:\git\PapyrusDotNet\Source\PapyrusDotNet.PexInspector\OpCodeDescriptions.xml");
}
else
{
opCodeDescriptionDefinition =
opCodeDescriptionReader.Read(
@"D:\git\PapyrusDotNet\Source\PapyrusDotNet.PexInspector\OpCodeDescriptions.xml");
}
this.dialogService = dialogService;
this.loadedAssemblies = loadedAssemblies;
this.loadedAssembly = loadedAssembly;
this.currentType = currentType;
this.currentMethod = currentMethod;
this.instruction = instruction;
if (instruction == null)
{
isNewInstruction = true;
var defaultOpCode = PapyrusOpCodes.Nop;
SelectedOpCodeDescription = new InstructionArgumentEditorViewModel(dialogService, loadedAssemblies,
loadedAssembly, currentType, currentMethod, null, opCodeDescriptionDefinition.GetDesc(defaultOpCode));
SelectedOpCode = defaultOpCode;
// ArgumentsDescription = defaultOpCode.GetArgumentsDescription();
OperandArgumentsDescription = defaultOpCode.GetOperandArgumentsDescription();
OperandArgumentsVisible = !operandArgumentsDescription.ToLower().Contains("no operand");
OperandArguments = new ObservableCollection <PapyrusVariableReference>();
}
else
{
SelectedOpCode = instruction.OpCode;
SelectedOpCodeDescriptionString = instruction.OpCode.GetDescription();
SelectedOpCodeDescription = new InstructionArgumentEditorViewModel(dialogService, loadedAssemblies,
loadedAssembly,
currentType, currentMethod, instruction, opCodeDescriptionDefinition.GetDesc(instruction.OpCode));
// instruction.OpCode.GetDescription();
// ArgumentsDescription = instruction.OpCode.GetArgumentsDescription();
OperandArgumentsDescription = instruction.OpCode.GetOperandArgumentsDescription();
OperandArgumentsVisible = !operandArgumentsDescription.ToLower().Contains("no operand");
OperandArguments = new ObservableCollection <PapyrusVariableReference>(instruction.OperandArguments);
}
AvailableOpCodes =
new ObservableCollection <PapyrusOpCodes>(Enum.GetValues(typeof(PapyrusOpCodes)).Cast <PapyrusOpCodes>());
AddOperandArgumentCommand = new RelayCommand(AddOpArg);
RemoveOperandArgumentCommand = new RelayCommand(RemoveOpArg, CanEdit);
EditOperandArgumentCommand = new RelayCommand(EditOpArg, CanEdit);
}
