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Get type for stack slots (partially implemented); Types are stored as Cecil TypeReferences

pull/1/head^2
David Srbecký 18 years ago
parent
ffef73b007
commit
a9ab824805
4 changed files with 260 additions and 227 deletions
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  1. 1
      Decompiler.csproj
  2. 223
      src/AstMetodBodyBuilder.cs
  3. 246
      src/StackAnalysis.Types.cs
  4. 17
      src/StackAnalysis.cs

1
Decompiler.csproj
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@ -43,6 +43,7 @@
<Compile Include="src\MainForm.Designer.cs" /> <Compile Include="src\MainForm.Designer.cs" />
<Compile Include="src\Program.cs" /> <Compile Include="src\Program.cs" />
<Compile Include="src\StackAnalysis.cs" /> <Compile Include="src\StackAnalysis.cs" />
<Compile Include="src\StackAnalysis.Types.cs" />
<Compile Include="src\Util.cs" /> <Compile Include="src\Util.cs" />
<EmbeddedResource Include="src\MainForm.resx"> <EmbeddedResource Include="src\MainForm.resx">
<DependentUpon>MainForm.cs</DependentUpon> <DependentUpon>MainForm.cs</DependentUpon>

223
src/AstMetodBodyBuilder.cs
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@ -40,14 +40,6 @@ namespace Decompiler
Ast.Statement astStatement = null; Ast.Statement astStatement = null;
try { try {
object type = null;
try {
type = GetType(methodDef, instr);
if (type is Cecil.TypeReference) {
type = ((Cecil.TypeReference)type).FullName;
}
} catch (NotImplementedException) {
}
int argCount = Util.GetNumberOfInputs(methodDef, instr); int argCount = Util.GetNumberOfInputs(methodDef, instr);
Ast.Expression[] args = new Ast.Expression[argCount]; Ast.Expression[] args = new Ast.Expression[argCount];
for(int i = 0; i < argCount; i++) { for(int i = 0; i < argCount; i++) {
@ -61,7 +53,7 @@ namespace Decompiler
args); args);
if (codeExpr is Ast.Expression) { if (codeExpr is Ast.Expression) {
if (Util.GetNumberOfOutputs(methodDef, instr) == 1) { if (Util.GetNumberOfOutputs(methodDef, instr) == 1) {
type = type ?? "object"; string type = stackAnalysis.StackAfter[instr].Peek(1).Type.FullName;
string name = string.Format("expr{0:X2}", instr.Offset); string name = string.Format("expr{0:X2}", instr.Offset);
Ast.LocalVariableDeclaration astLocal = new Ast.LocalVariableDeclaration(new Ast.TypeReference(type.ToString())); Ast.LocalVariableDeclaration astLocal = new Ast.LocalVariableDeclaration(new Ast.TypeReference(type.ToString()));
astLocal.Variables.Add(new Ast.VariableDeclaration(name, (Ast.Expression)codeExpr)); astLocal.Variables.Add(new Ast.VariableDeclaration(name, (Ast.Expression)codeExpr));
@ -339,218 +331,5 @@ namespace Decompiler
{ {
return new Ast.ParenthesizedExpression(new Ast.BinaryOperatorExpression(astInt, BinaryOperatorType.InEquality, new Ast.PrimitiveExpression(0, "0"))); return new Ast.ParenthesizedExpression(new Ast.BinaryOperatorExpression(astInt, BinaryOperatorType.InEquality, new Ast.PrimitiveExpression(0, "0")));
} }
static object GetType(MethodDefinition methodDef, Instruction inst, params Cecil.TypeReference[] args)
{
OpCode opCode = inst.OpCode;
object operand = inst.Operand;
Ast.TypeReference operandAsTypeRef = operand is Cecil.TypeReference ? new Ast.TypeReference(((Cecil.TypeReference)operand).FullName) : null;
Instruction operandAsInstruction = operand is Instruction ? (Instruction)operand : null;
string operandAsInstructionLabel = operand is Instruction ? String.Format("IL_{0:X2}", ((Instruction)operand).Offset) : null;
Cecil.TypeReference arg1 = args.Length >= 1 ? args[0] : null;
Cecil.TypeReference arg2 = args.Length >= 2 ? args[1] : null;
Cecil.TypeReference arg3 = args.Length >= 3 ? args[2] : null;
switch(opCode.Code) {
#region Arithmetic
case Code.Add:
case Code.Add_Ovf:
case Code.Add_Ovf_Un:
case Code.Div:
case Code.Div_Un:
case Code.Mul:
case Code.Mul_Ovf:
case Code.Mul_Ovf_Un:
case Code.Rem:
case Code.Rem_Un:
case Code.Sub:
case Code.Sub_Ovf:
case Code.Sub_Ovf_Un:
case Code.And:
case Code.Xor:
case Code.Shl:
case Code.Shr:
case Code.Shr_Un: return Cecil.Constants.Int32;
case Code.Neg: return Cecil.Constants.Int32;
case Code.Not: return Cecil.Constants.Boolean;
#endregion
#region Arrays
case Code.Newarr:
operandAsTypeRef.RankSpecifier = new int[1];
return operandAsTypeRef;
case Code.Ldlen: return Cecil.Constants.Int32;
case Code.Ldelem_I:
case Code.Ldelem_I1:
case Code.Ldelem_I2:
case Code.Ldelem_I4:
case Code.Ldelem_I8: return Cecil.Constants.Int32;
case Code.Ldelem_U1:
case Code.Ldelem_U2:
case Code.Ldelem_U4:
case Code.Ldelem_R4:
case Code.Ldelem_R8:
case Code.Ldelem_Ref:
case Code.Ldelem_Any:
case Code.Ldelema: throw new NotImplementedException();
case Code.Stelem_I:
case Code.Stelem_I1:
case Code.Stelem_I2:
case Code.Stelem_I4:
case Code.Stelem_I8:
case Code.Stelem_R4:
case Code.Stelem_R8:
case Code.Stelem_Ref:
case Code.Stelem_Any: return null;
#endregion
#region Branching
case Code.Br:
case Code.Brfalse:
case Code.Brtrue:
case Code.Beq:
case Code.Bge:
case Code.Bge_Un:
case Code.Bgt:
case Code.Bgt_Un:
case Code.Ble:
case Code.Ble_Un:
case Code.Blt:
case Code.Blt_Un:
case Code.Bne_Un: return null;
#endregion
#region Comparison
case Code.Ceq:
case Code.Cgt:
case Code.Cgt_Un:
case Code.Clt:
case Code.Clt_Un: return Cecil.Constants.Boolean;
#endregion
#region Conversions
case Code.Conv_I:
case Code.Conv_I1:
case Code.Conv_I2:
case Code.Conv_I4:
case Code.Conv_I8:
case Code.Conv_U:
case Code.Conv_U1:
case Code.Conv_U2:
case Code.Conv_U4:
case Code.Conv_U8:
case Code.Conv_R4:
case Code.Conv_R8:
case Code.Conv_R_Un:
case Code.Conv_Ovf_I:
case Code.Conv_Ovf_I1:
case Code.Conv_Ovf_I2:
case Code.Conv_Ovf_I4:
case Code.Conv_Ovf_I8:
case Code.Conv_Ovf_U:
case Code.Conv_Ovf_U1:
case Code.Conv_Ovf_U2:
case Code.Conv_Ovf_U4:
case Code.Conv_Ovf_U8:
case Code.Conv_Ovf_I_Un:
case Code.Conv_Ovf_I1_Un:
case Code.Conv_Ovf_I2_Un:
case Code.Conv_Ovf_I4_Un:
case Code.Conv_Ovf_I8_Un:
case Code.Conv_Ovf_U_Un:
case Code.Conv_Ovf_U1_Un:
case Code.Conv_Ovf_U2_Un:
case Code.Conv_Ovf_U4_Un:
case Code.Conv_Ovf_U8_Un: return Constants.Int32;
#endregion
#region Indirect
case Code.Ldind_I: throw new NotImplementedException();
case Code.Ldind_I1: throw new NotImplementedException();
case Code.Ldind_I2: throw new NotImplementedException();
case Code.Ldind_I4: throw new NotImplementedException();
case Code.Ldind_I8: throw new NotImplementedException();
case Code.Ldind_U1: throw new NotImplementedException();
case Code.Ldind_U2: throw new NotImplementedException();
case Code.Ldind_U4: throw new NotImplementedException();
case Code.Ldind_R4: throw new NotImplementedException();
case Code.Ldind_R8: throw new NotImplementedException();
case Code.Ldind_Ref: throw new NotImplementedException();
case Code.Stind_I: throw new NotImplementedException();
case Code.Stind_I1: throw new NotImplementedException();
case Code.Stind_I2: throw new NotImplementedException();
case Code.Stind_I4: throw new NotImplementedException();
case Code.Stind_I8: throw new NotImplementedException();
case Code.Stind_R4: throw new NotImplementedException();
case Code.Stind_R8: throw new NotImplementedException();
case Code.Stind_Ref: throw new NotImplementedException();
#endregion
case Code.Arglist: throw new NotImplementedException();
case Code.Box: throw new NotImplementedException();
case Code.Break: throw new NotImplementedException();
case Code.Call: return ((MethodReference)operand).ReturnType.ReturnType;
case Code.Calli: throw new NotImplementedException();
case Code.Callvirt: throw new NotImplementedException();
case Code.Castclass: throw new NotImplementedException();
case Code.Ckfinite: throw new NotImplementedException();
case Code.Constrained: throw new NotImplementedException();
case Code.Cpblk: throw new NotImplementedException();
case Code.Cpobj: throw new NotImplementedException();
case Code.Dup: throw new NotImplementedException();
case Code.Endfilter: throw new NotImplementedException();
case Code.Endfinally: throw new NotImplementedException();
case Code.Initblk: throw new NotImplementedException();
case Code.Initobj: throw new NotImplementedException();
case Code.Isinst: throw new NotImplementedException();
case Code.Jmp: throw new NotImplementedException();
case Code.Ldarg: return ((ParameterDefinition)operand).ParameterType;
case Code.Ldarga: throw new NotImplementedException();
case Code.Ldc_I4: return Cecil.Constants.Int16;
case Code.Ldc_I8: return Cecil.Constants.Int64;
case Code.Ldc_R4: return Cecil.Constants.Single;
case Code.Ldc_R8: return Cecil.Constants.Double;
case Code.Ldfld: throw new NotImplementedException();
case Code.Ldflda: throw new NotImplementedException();
case Code.Ldftn: throw new NotImplementedException();
case Code.Ldloc: return ((VariableDefinition)operand).VariableType;
case Code.Ldloca: throw new NotImplementedException();
case Code.Ldnull: return Cecil.Constants.Object;
case Code.Ldobj: throw new NotImplementedException();
case Code.Ldsfld: throw new NotImplementedException();
case Code.Ldsflda: throw new NotImplementedException();
case Code.Ldstr: return Cecil.Constants.String;
case Code.Ldtoken: throw new NotImplementedException();
case Code.Ldvirtftn: throw new NotImplementedException();
case Code.Leave: throw new NotImplementedException();
case Code.Localloc: throw new NotImplementedException();
case Code.Mkrefany: throw new NotImplementedException();
case Code.Newobj: throw new NotImplementedException();
case Code.No: throw new NotImplementedException();
case Code.Nop: return null;
case Code.Or: throw new NotImplementedException();
case Code.Pop: throw new NotImplementedException();
case Code.Readonly: throw new NotImplementedException();
case Code.Refanytype: throw new NotImplementedException();
case Code.Refanyval: throw new NotImplementedException();
case Code.Ret: return null;
case Code.Rethrow: throw new NotImplementedException();
case Code.Sizeof: throw new NotImplementedException();
case Code.Starg: throw new NotImplementedException();
case Code.Stfld: throw new NotImplementedException();
case Code.Stloc: return null;
case Code.Stobj: throw new NotImplementedException();
case Code.Stsfld: throw new NotImplementedException();
case Code.Switch: throw new NotImplementedException();
case Code.Tail: throw new NotImplementedException();
case Code.Throw: throw new NotImplementedException();
case Code.Unaligned: throw new NotImplementedException();
case Code.Unbox: throw new NotImplementedException();
case Code.Unbox_Any: throw new NotImplementedException();
case Code.Volatile: throw new NotImplementedException();
default: throw new Exception("Unknown OpCode: " + opCode);
}
}
} }
} }

246
src/StackAnalysis.Types.cs
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@ -0,0 +1,246 @@
using System;
using System.Collections.Generic;
using Ast = ICSharpCode.NRefactory.Ast;
using ICSharpCode.NRefactory.Ast;
using Cecil = Mono.Cecil;
using Mono.Cecil;
using Mono.Cecil.Cil;
namespace Decompiler
{
public partial class StackAnalysis
{
static public Cecil.TypeReference TypeObject = GetCecilType(typeof(Object));
static public Cecil.TypeReference TypeBool = GetCecilType(typeof(bool));
static public Cecil.TypeReference TypeInt32 = GetCecilType(typeof(Int32));
static public Cecil.TypeReference TypeString = GetCecilType(typeof(string));
static public Cecil.TypeReference GetCecilType(Type type)
{
return new Cecil.TypeReference(type.Name, type.Namespace, null, type.IsValueType);
}
static Cecil.TypeReference GetType(MethodDefinition methodDef, Instruction inst, params Cecil.TypeReference[] args)
{
try {
return(GetTypeInternal(methodDef, inst, args));
} catch (NotImplementedException) {
return TypeObject;
}
}
static Cecil.TypeReference GetTypeInternal(MethodDefinition methodDef, Instruction inst, params Cecil.TypeReference[] args)
{
OpCode opCode = inst.OpCode;
object operand = inst.Operand;
Cecil.TypeReference operandAsTypeRef = operand as Cecil.TypeReference;
Instruction operandAsInstruction = operand is Instruction ? (Instruction)operand : null;
string operandAsInstructionLabel = operand is Instruction ? String.Format("IL_{0:X2}", ((Instruction)operand).Offset) : null;
Cecil.TypeReference arg1 = args.Length >= 1 ? args[0] : null;
Cecil.TypeReference arg2 = args.Length >= 2 ? args[1] : null;
Cecil.TypeReference arg3 = args.Length >= 3 ? args[2] : null;
switch(opCode.Code) {
#region Arithmetic
case Code.Add:
case Code.Add_Ovf:
case Code.Add_Ovf_Un:
case Code.Div:
case Code.Div_Un:
case Code.Mul:
case Code.Mul_Ovf:
case Code.Mul_Ovf_Un:
case Code.Rem:
case Code.Rem_Un:
case Code.Sub:
case Code.Sub_Ovf:
case Code.Sub_Ovf_Un:
case Code.And:
case Code.Xor:
case Code.Shl:
case Code.Shr:
case Code.Shr_Un: return TypeInt32;
case Code.Neg: return TypeInt32;
case Code.Not: return TypeInt32;
#endregion
#region Arrays
case Code.Newarr:
return new Cecil.ArrayType(operandAsTypeRef);
case Code.Ldlen: return TypeInt32;
case Code.Ldelem_I:
case Code.Ldelem_I1:
case Code.Ldelem_I2:
case Code.Ldelem_I4:
case Code.Ldelem_I8: return TypeInt32;
case Code.Ldelem_U1:
case Code.Ldelem_U2:
case Code.Ldelem_U4:
case Code.Ldelem_R4:
case Code.Ldelem_R8:
case Code.Ldelem_Ref:
case Code.Ldelem_Any:
case Code.Ldelema: throw new NotImplementedException();
case Code.Stelem_I:
case Code.Stelem_I1:
case Code.Stelem_I2:
case Code.Stelem_I4:
case Code.Stelem_I8:
case Code.Stelem_R4:
case Code.Stelem_R8:
case Code.Stelem_Ref:
case Code.Stelem_Any: return null;
#endregion
#region Branching
case Code.Br:
case Code.Brfalse:
case Code.Brtrue:
case Code.Beq:
case Code.Bge:
case Code.Bge_Un:
case Code.Bgt:
case Code.Bgt_Un:
case Code.Ble:
case Code.Ble_Un:
case Code.Blt:
case Code.Blt_Un:
case Code.Bne_Un: return null;
#endregion
#region Comparison
case Code.Ceq:
case Code.Cgt:
case Code.Cgt_Un:
case Code.Clt:
case Code.Clt_Un: return TypeBool;
#endregion
#region Conversions
case Code.Conv_I:
case Code.Conv_I1:
case Code.Conv_I2:
case Code.Conv_I4:
case Code.Conv_I8:
case Code.Conv_U:
case Code.Conv_U1:
case Code.Conv_U2:
case Code.Conv_U4:
case Code.Conv_U8:
case Code.Conv_R4:
case Code.Conv_R8:
case Code.Conv_R_Un:
case Code.Conv_Ovf_I:
case Code.Conv_Ovf_I1:
case Code.Conv_Ovf_I2:
case Code.Conv_Ovf_I4:
case Code.Conv_Ovf_I8:
case Code.Conv_Ovf_U:
case Code.Conv_Ovf_U1:
case Code.Conv_Ovf_U2:
case Code.Conv_Ovf_U4:
case Code.Conv_Ovf_U8:
case Code.Conv_Ovf_I_Un:
case Code.Conv_Ovf_I1_Un:
case Code.Conv_Ovf_I2_Un:
case Code.Conv_Ovf_I4_Un:
case Code.Conv_Ovf_I8_Un:
case Code.Conv_Ovf_U_Un:
case Code.Conv_Ovf_U1_Un:
case Code.Conv_Ovf_U2_Un:
case Code.Conv_Ovf_U4_Un:
case Code.Conv_Ovf_U8_Un: return TypeInt32;
#endregion
#region Indirect
case Code.Ldind_I: throw new NotImplementedException();
case Code.Ldind_I1: throw new NotImplementedException();
case Code.Ldind_I2: throw new NotImplementedException();
case Code.Ldind_I4: throw new NotImplementedException();
case Code.Ldind_I8: throw new NotImplementedException();
case Code.Ldind_U1: throw new NotImplementedException();
case Code.Ldind_U2: throw new NotImplementedException();
case Code.Ldind_U4: throw new NotImplementedException();
case Code.Ldind_R4: throw new NotImplementedException();
case Code.Ldind_R8: throw new NotImplementedException();
case Code.Ldind_Ref: throw new NotImplementedException();
case Code.Stind_I: throw new NotImplementedException();
case Code.Stind_I1: throw new NotImplementedException();
case Code.Stind_I2: throw new NotImplementedException();
case Code.Stind_I4: throw new NotImplementedException();
case Code.Stind_I8: throw new NotImplementedException();
case Code.Stind_R4: throw new NotImplementedException();
case Code.Stind_R8: throw new NotImplementedException();
case Code.Stind_Ref: throw new NotImplementedException();
#endregion
case Code.Arglist: throw new NotImplementedException();
case Code.Box: throw new NotImplementedException();
case Code.Break: throw new NotImplementedException();
case Code.Call: return ((MethodReference)operand).ReturnType.ReturnType;
case Code.Calli: throw new NotImplementedException();
case Code.Callvirt: throw new NotImplementedException();
case Code.Castclass: throw new NotImplementedException();
case Code.Ckfinite: throw new NotImplementedException();
case Code.Constrained: throw new NotImplementedException();
case Code.Cpblk: throw new NotImplementedException();
case Code.Cpobj: throw new NotImplementedException();
case Code.Dup: throw new NotImplementedException();
case Code.Endfilter: throw new NotImplementedException();
case Code.Endfinally: throw new NotImplementedException();
case Code.Initblk: throw new NotImplementedException();
case Code.Initobj: throw new NotImplementedException();
case Code.Isinst: throw new NotImplementedException();
case Code.Jmp: throw new NotImplementedException();
case Code.Ldarg: return ((ParameterDefinition)operand).ParameterType;
case Code.Ldarga: throw new NotImplementedException();
case Code.Ldc_I4: return TypeInt32;
case Code.Ldc_I8: throw new NotImplementedException();
case Code.Ldc_R4: throw new NotImplementedException();
case Code.Ldc_R8: throw new NotImplementedException();
case Code.Ldfld: throw new NotImplementedException();
case Code.Ldflda: throw new NotImplementedException();
case Code.Ldftn: throw new NotImplementedException();
case Code.Ldloc: return ((VariableDefinition)operand).VariableType;
case Code.Ldloca: throw new NotImplementedException();
case Code.Ldnull: throw new NotImplementedException();
case Code.Ldobj: throw new NotImplementedException();
case Code.Ldsfld: throw new NotImplementedException();
case Code.Ldsflda: throw new NotImplementedException();
case Code.Ldstr: return TypeString;
case Code.Ldtoken: throw new NotImplementedException();
case Code.Ldvirtftn: throw new NotImplementedException();
case Code.Leave: throw new NotImplementedException();
case Code.Localloc: throw new NotImplementedException();
case Code.Mkrefany: throw new NotImplementedException();
case Code.Newobj: throw new NotImplementedException();
case Code.No: throw new NotImplementedException();
case Code.Nop: return null;
case Code.Or: throw new NotImplementedException();
case Code.Pop: throw new NotImplementedException();
case Code.Readonly: throw new NotImplementedException();
case Code.Refanytype: throw new NotImplementedException();
case Code.Refanyval: throw new NotImplementedException();
case Code.Ret: return null;
case Code.Rethrow: throw new NotImplementedException();
case Code.Sizeof: throw new NotImplementedException();
case Code.Starg: throw new NotImplementedException();
case Code.Stfld: throw new NotImplementedException();
case Code.Stloc: return null;
case Code.Stobj: throw new NotImplementedException();
case Code.Stsfld: throw new NotImplementedException();
case Code.Switch: throw new NotImplementedException();
case Code.Tail: throw new NotImplementedException();
case Code.Throw: throw new NotImplementedException();
case Code.Unaligned: throw new NotImplementedException();
case Code.Unbox: throw new NotImplementedException();
case Code.Unbox_Any: throw new NotImplementedException();
case Code.Volatile: throw new NotImplementedException();
default: throw new Exception("Unknown OpCode: " + opCode);
}
}
}
}

17
src/StackAnalysis.cs
Unescape View File

@ -13,20 +13,27 @@ namespace Decompiler
// Imutable // Imutable
public struct CilStackSlot { public struct CilStackSlot {
Instruction allocadedBy; Instruction allocadedBy;
Cecil.TypeReference type;
public Instruction AllocadedBy { public Instruction AllocadedBy {
get { return allocadedBy; } get { return allocadedBy; }
} }
public CilStackSlot(Instruction allocadedBy) public Cecil.TypeReference Type {
get { return type; }
}
public CilStackSlot(Instruction allocadedBy, Cecil.TypeReference type)
{ {
this.allocadedBy = allocadedBy; this.allocadedBy = allocadedBy;
this.type = type;
} }
public override int GetHashCode() public override int GetHashCode()
{ {
int hashCode = 0; int hashCode = 0;
if (allocadedBy != null) hashCode ^= allocadedBy.GetHashCode(); if (allocadedBy != null) hashCode ^= allocadedBy.GetHashCode();
if (type != null) hashCode ^= type.GetHashCode();
return hashCode; return hashCode;
} }
@ -34,7 +41,7 @@ namespace Decompiler
{ {
if (!(obj is CilStackSlot)) return false; if (!(obj is CilStackSlot)) return false;
CilStackSlot myCilStackSlot = (CilStackSlot)obj; CilStackSlot myCilStackSlot = (CilStackSlot)obj;
return object.Equals(this.allocadedBy, myCilStackSlot.allocadedBy); return object.Equals(this.allocadedBy, myCilStackSlot.allocadedBy) && object.Equals(this.type, myCilStackSlot.type);
} }
public override string ToString() public override string ToString()
@ -95,7 +102,7 @@ namespace Decompiler
} }
} }
public class StackAnalysis { public partial class StackAnalysis {
MethodDefinition methodDef; MethodDefinition methodDef;
Dictionary<Instruction, CilStack> stackBefore = new Dictionary<Instruction, CilStack>(); Dictionary<Instruction, CilStack> stackBefore = new Dictionary<Instruction, CilStack>();
Dictionary<Instruction, CilStack> stackAfter = new Dictionary<Instruction, CilStack>(); Dictionary<Instruction, CilStack> stackAfter = new Dictionary<Instruction, CilStack>();
@ -151,7 +158,7 @@ namespace Decompiler
CilStack newStack = oldStack.Clone(); CilStack newStack = oldStack.Clone();
newStack.PopCount(Util.GetNumberOfInputs(methodDef, inst)); newStack.PopCount(Util.GetNumberOfInputs(methodDef, inst));
for (int i = 0; i < Util.GetNumberOfOutputs(methodDef, inst); i++) { for (int i = 0; i < Util.GetNumberOfOutputs(methodDef, inst); i++) {
newStack.Push(new CilStackSlot(inst)); newStack.Push(new CilStackSlot(inst, GetType(methodDef, inst)));
} }
return newStack; return newStack;
} }
@ -186,7 +193,7 @@ namespace Decompiler
merged = stack1.Clone(); merged = stack1.Clone();
for (int i = 0; i < count; i++) { for (int i = 0; i < count; i++) {
if (!stack1[i].Equals(stack2[i])) { if (!stack1[i].Equals(stack2[i])) {
merged[i] = new CilStackSlot(null); // Merge slots merged[i] = new CilStackSlot(null, null); // Merge slots
same = false; same = false;
} }
} }

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