diff options
Diffstat (limited to 'ChocolArm64/Translation/ILGeneratorEx.cs')
| -rw-r--r-- | ChocolArm64/Translation/ILGeneratorEx.cs | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/ChocolArm64/Translation/ILGeneratorEx.cs b/ChocolArm64/Translation/ILGeneratorEx.cs new file mode 100644 index 00000000..abb35ec3 --- /dev/null +++ b/ChocolArm64/Translation/ILGeneratorEx.cs @@ -0,0 +1,129 @@ +using System; + +namespace ChocolArm64 +{ + using System.Reflection.Emit; + + static class ILGeneratorEx + { + public static void EmitLdc_I4(this ILGenerator Generator,int Value) + { + switch (Value) + { + case 0: Generator.Emit(OpCodes.Ldc_I4_0); break; + case 1: Generator.Emit(OpCodes.Ldc_I4_1); break; + case 2: Generator.Emit(OpCodes.Ldc_I4_2); break; + case 3: Generator.Emit(OpCodes.Ldc_I4_3); break; + case 4: Generator.Emit(OpCodes.Ldc_I4_4); break; + case 5: Generator.Emit(OpCodes.Ldc_I4_5); break; + case 6: Generator.Emit(OpCodes.Ldc_I4_6); break; + case 7: Generator.Emit(OpCodes.Ldc_I4_7); break; + case 8: Generator.Emit(OpCodes.Ldc_I4_8); break; + case -1: Generator.Emit(OpCodes.Ldc_I4_M1); break; + default: Generator.Emit(OpCodes.Ldc_I4, Value); break; + } + } + + public static void EmitLdarg(this ILGenerator Generator, int Index) + { + switch (Index) + { + case 0: Generator.Emit(OpCodes.Ldarg_0); break; + case 1: Generator.Emit(OpCodes.Ldarg_1); break; + case 2: Generator.Emit(OpCodes.Ldarg_2); break; + case 3: Generator.Emit(OpCodes.Ldarg_3); break; + + default: + if ((uint)Index <= byte.MaxValue) + { + Generator.Emit(OpCodes.Ldarg_S, (byte)Index); + } + else if ((uint)Index < ushort.MaxValue) + { + Generator.Emit(OpCodes.Ldarg, (short)Index); + } + else + { + throw new ArgumentOutOfRangeException(nameof(Index)); + } + break; + } + } + + public static void EmitStarg(this ILGenerator Generator, int Index) + { + if ((uint)Index <= byte.MaxValue) + { + Generator.Emit(OpCodes.Starg_S, (byte)Index); + } + else if ((uint)Index < ushort.MaxValue) + { + Generator.Emit(OpCodes.Starg, (short)Index); + } + else + { + throw new ArgumentOutOfRangeException(nameof(Index)); + } + } + + public static void EmitLdloc(this ILGenerator Generator, int Index) + { + switch (Index) + { + case 0: Generator.Emit(OpCodes.Ldloc_0); break; + case 1: Generator.Emit(OpCodes.Ldloc_1); break; + case 2: Generator.Emit(OpCodes.Ldloc_2); break; + case 3: Generator.Emit(OpCodes.Ldloc_3); break; + + default: + if ((uint)Index <= byte.MaxValue) + { + Generator.Emit(OpCodes.Ldloc_S, (byte)Index); + } + else if ((uint)Index < ushort.MaxValue) + { + Generator.Emit(OpCodes.Ldloc, (short)Index); + } + else + { + throw new ArgumentOutOfRangeException(nameof(Index)); + } + break; + } + } + + public static void EmitStloc(this ILGenerator Generator, int Index) + { + switch (Index) + { + case 0: Generator.Emit(OpCodes.Stloc_0); break; + case 1: Generator.Emit(OpCodes.Stloc_1); break; + case 2: Generator.Emit(OpCodes.Stloc_2); break; + case 3: Generator.Emit(OpCodes.Stloc_3); break; + + default: + if ((uint)Index <= byte.MaxValue) + { + Generator.Emit(OpCodes.Stloc_S, (byte)Index); + } + else if ((uint)Index < ushort.MaxValue) + { + Generator.Emit(OpCodes.Stloc, (short)Index); + } + else + { + throw new ArgumentOutOfRangeException(nameof(Index)); + } + break; + } + } + + public static void EmitLdargSeq(this ILGenerator Generator, int Count) + { + for (int Index = 0; Index < Count; Index++) + { + Generator.EmitLdarg(Index); + } + } + } +}
\ No newline at end of file |