source2/IL2PCU/Cosmos.IL2CPU.Profiler/ILOpProfiler.cs

@@ -5,7 +5,7 @@ using System.Text;
 
 namespace Cosmos.IL2CPU.Profiler {
   public class ILOpProfiler : Cosmos.IL2CPU.ILOp {
-    protected ILOpProfiler(ILOpCode aOpCode)
+    public ILOpProfiler(ILOpCode aOpCode)
       : base(aOpCode) {
     }
   }

source2/IL2PCU/Cosmos.IL2CPU/Cosmos.IL2CPU.csproj

@@ -53,6 +53,7 @@
     <Compile Include="ILOpCode.cs" />
     <Compile Include="ILOpCodes\InlineI.cs" />
     <Compile Include="ILOpCodes\InlineNone.cs" />
+    <Compile Include="ILOpCodes\InlineVar.cs" />
     <Compile Include="ILReader.cs" />
     <Compile Include="OpCodeAttribute.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />

source2/IL2PCU/Cosmos.IL2CPU/ILOpCode.cs

@@ -12,15 +12,6 @@ namespace Cosmos.IL2CPU {
   //TODO: Change this to an abstract class and make constructor protected
   public class ILOpCode {
 
-    public readonly Code OpCode;
-
-    public ILOpCode(Code aOpCode) {
-      OpCode = aOpCode;
-    }
-
-    //TODO: Use System.Reflection.Emit.OpCodes where possible, but we still need these
-    //enums because they are used in attributes and other places that we need
-    //compile time values
     public enum Code : ushort {
       #region Values
       Nop = 0x0000,
@@ -252,55 +243,10 @@ namespace Cosmos.IL2CPU {
       #endregion
     }
 
-    public static long? GetShortcutOperand(Code aOpCode) {
-      switch (aOpCode) {
-        case Code.Ldarg_0:
-          return 0;
-        case Code.Ldarg_1:
-          return 1;
-        case Code.Ldarg_2:
-          return 2;
-        case Code.Ldarg_3:
-          return 3;
-        case Code.Ldc_I4_0:
-          return 0;
-        case Code.Ldc_I4_1:
-          return 1;
-        case Code.Ldc_I4_2:
-          return 2;
-        case Code.Ldc_I4_3:
-          return 3;
-        case Code.Ldc_I4_4:
-          return 4;
-        case Code.Ldc_I4_5:
-          return 5;
-        case Code.Ldc_I4_6:
-          return 6;
-        case Code.Ldc_I4_7:
-          return 7;
-        case Code.Ldc_I4_8:
-          return 8;
-        case Code.Ldc_I4_M1:
-          return -1;
-        case Code.Ldloc_0:
-          return 0;
-        case Code.Ldloc_1:
-          return 1;
-        case Code.Ldloc_2:
-          return 2;
-        case Code.Ldloc_3:
-          return 3;
-        case Code.Stloc_0:
-          return 0;
-        case Code.Stloc_1:
-          return 1;
-        case Code.Stloc_2:
-          return 2;
-        case Code.Stloc_3:
-          return 3;
-        default:
-          return null;
-      }
+    public readonly Code OpCode;
+
+    public ILOpCode(Code aOpCode) {
+      OpCode = aOpCode;
     }
 
   }

source2/IL2PCU/Cosmos.IL2CPU/ILOpCodes/InlineVar.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Cosmos.IL2CPU.ILOpCodes {
+  public class InlineVar : ILOpCode {
+    public readonly UInt16 Value;
+
+    public InlineVar(Code aOpCode, UInt16 aValue)
+      : base(aOpCode) {
+      Value = aValue;
+    }
+  }
+}

source2/IL2PCU/Cosmos.IL2CPU/ILReader.cs

@@ -58,13 +58,11 @@ namespace Cosmos.IL2CPU {
           }
 
           //TODO: Need to look at OpCode operandtype and queue for these:
+          // probably dont need to look by op, but can do by operand instead.
           // Call: QueueMethod(aReader.OperandValueMethod);
           // Callvirt: QueueMethod(aReader.OperandValueMethod);
           // Newobj: QueueMethod(aReader.OperandValueMethod);
 
-          // Get arguments before Shortcut expansion.
-          //TODO: Are all shortcuts wo arguments? if so we can skip this step for shortcuts
-
           ILOpCode xILOpCode = null;
           switch (xOpCode.OperandType) {
             // The operand is a 32-bit integer branch target.
@@ -81,7 +79,7 @@ namespace Cosmos.IL2CPU {
 
             // The operand is a 32-bit integer.
             case OperandType.InlineI:
-              xILOpCode = new ILOpCodes.InlineI(xOpCodeVal, ReadInt32(xIL, xPos));
+              xILOpCode = new ILOpCodes.InlineI(xOpCodeVal, ReadUInt32(xIL, xPos));
               xPos = xPos + 4;
               break;
 
@@ -122,7 +120,7 @@ namespace Cosmos.IL2CPU {
               break;
 
             case OperandType.InlineSwitch: {
-                int xCount = (int)ReadInt32(xIL, xPos);
+                int xCount = (int)ReadUInt32(xIL, xPos);
                 int[] xBranchLocations = new int[xCount];
                 uint[] xBranchValues = new uint[xCount];
                 for (int i = 0; i < xCount; i++) {
@@ -153,7 +151,7 @@ namespace Cosmos.IL2CPU {
 
             // 16-bit integer containing the ordinal of a local variable or an argument.
             case OperandType.InlineVar:
-              xILOpCode = new ILOpCode(xOpCodeVal);
+              xILOpCode = new ILOpCodes.InlineVar(xOpCodeVal, ReadUInt16(xIL, xPos));
               xPos = xPos + 2;
               break;
 
@@ -175,7 +173,7 @@ namespace Cosmos.IL2CPU {
               xPos = xPos + 4;
               break;
 
-            // 8-bit integer containing the ordinal of a local variable or an argumenta.
+            // 8-bit integer containing the ordinal of a local variable or an argument.
             case OperandType.ShortInlineVar:
               xILOpCode = new ILOpCode(xOpCodeVal);
               xPos = xPos + 4;
@@ -186,9 +184,12 @@ namespace Cosmos.IL2CPU {
           }
 
           #region Expand shortcuts
+          // This region expands shortcut ops into full ops
+          // This elminates the amount of code required in the assemblers
+          // by allowing them to ignore the shortcuts
           switch (xOpCodeVal) {
             case ILOpCode.Code.Beq_S:
-              xILOpCode = new ILOpCodes.InlineNone(ILOpCode.Code.Beq);
+              //xILOpCode = new ILOpCodes.xxx(ILOpCode.Code.Beq, xILOpCode.value);
               break;
 
             case ILOpCode.Code.Bge_S:
@@ -240,19 +241,19 @@ namespace Cosmos.IL2CPU {
               break;
 
             case ILOpCode.Code.Ldarg_0:
-              //return Code.Ldarg;
+              xILOpCode = new ILOpCodes.InlineVar(ILOpCode.Code.Ldarg, 0);
               break;
 
             case ILOpCode.Code.Ldarg_1:
-              //return Code.Ldarg;
+              xILOpCode = new ILOpCodes.InlineVar(ILOpCode.Code.Ldarg, 1);
               break;
 
             case ILOpCode.Code.Ldarg_2:
-              //return Code.Ldarg;
+              xILOpCode = new ILOpCodes.InlineVar(ILOpCode.Code.Ldarg, 2);
               break;
 
             case ILOpCode.Code.Ldarg_3:
-              //return Code.Ldarg;
+              xILOpCode = new ILOpCodes.InlineVar(ILOpCode.Code.Ldarg, 3);
               break;
 
             case ILOpCode.Code.Ldarg_S:
@@ -368,10 +369,14 @@ namespace Cosmos.IL2CPU {
         return xResult;
       }
 
-      private UInt32 ReadInt32(byte[] aBytes, int aPos) {
+      private UInt32 ReadUInt32(byte[] aBytes, int aPos) {
         return (UInt32)(aBytes[aPos + 3] << 24 | aBytes[aPos + 2] << 16 | aBytes[aPos + 1] << 8 | aBytes[aPos]);
       }
 
+      private UInt16 ReadUInt16(byte[] aBytes, int aPos) {
+        return (UInt16)(aBytes[aPos + 1] << 8 | aBytes[aPos]);
+      }
+
       //mOperandValueStr = mModule.ResolveString(OperandValueInt32);
 
         //public MethodBase OperandValueMethod {

source2/IL2PCU/Cosmos.IL2CPU/ILScanner.cs

@@ -33,22 +33,25 @@ namespace Cosmos.IL2CPU {
     public ILScanner(Type aAssemblerBaseOp) : this(aAssemblerBaseOp, false) {
     }
 
-    public ILScanner(Type aAssemblerBaseOp, bool aProfileMode) {
+    public ILScanner(Type aAssemblerBaseOp, bool aSingleILOp) {
       mReader = new ILReader();
-      if (aProfileMode) {
-        LoadILOpsForProfiling(aAssemblerBaseOp);
+      if (aSingleILOp) {
+        LoadILOp(aAssemblerBaseOp);
       } else {
         LoadILOps(aAssemblerBaseOp);
       }
     }
 
-    protected void LoadILOpsForProfiling(Type aAssemblerBaseOp) {
+    protected void LoadILOp(Type aAssemblerBaseOp) {
       var xCtor = aAssemblerBaseOp.GetConstructors()[0];
-      foreach (var xCode in Enum.GetValues(typeof(ILOpCode.Code))) {
-        if ((uint)xCode <= 0xFF) {
-          mILOpsLo[(uint)xCode] = xCtor;
+      // Don't change the type in the foreach to a var, its necessary as it is now
+      // to typecast it, so we can then recast to an int.
+      foreach (ILOpCode.Code xCode in Enum.GetValues(typeof(ILOpCode.Code))) {
+        int xCodeValue = (int)xCode;
+        if (xCodeValue <= 0xFF) {
+          mILOpsLo[xCodeValue] = xCtor;
         } else {
-          mILOpsHi[(uint)xCode & 0xFF] = xCtor;
+          mILOpsHi[xCodeValue & 0xFF] = xCtor;
         }
       }
     }
@@ -101,12 +104,16 @@ namespace Cosmos.IL2CPU {
         foreach (var xOpCode in xOpCodes) {
           //InstructionCount++;
           ConstructorInfo xCtor;
-          if ((uint)xOpCode.OpCode <= 0xFF) {
-            xCtor = mILOpsLo[(uint)xOpCode.OpCode];
+          uint xOpCodeVal = (uint)xOpCode.OpCode;
+          if (xOpCodeVal <= 0xFF) {
+            xCtor = mILOpsLo[xOpCodeVal];
           } else {
-            xCtor = mILOpsHi[(uint)xOpCode.OpCode];
+            xCtor = mILOpsHi[xOpCodeVal & 0xFF];
+          }
+          // TODO: Remove this if when all shortcut espansions are working again
+          if (xCtor != null) {
+            var xILOp = xCtor.Invoke(new object[] { xOpCode });
           }
-          var xILOp = xCtor.Invoke(new object[] {xOpCode});
         }
       }
     }