Added Constrained Support

thanks to illuZion9999 for suggested
NotPrab · Jun 21, 2020 · 5ab508c · 5ab508c
1 parent bd9724f
commit 5ab508c
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Showing 3 changed files with 16 additions and 1 deletion.
diff --git a/.gitignore b/.gitignore
@@ -28,3 +28,4 @@ obj/project.nuget.cache
 obj/project.packagespec.json
 .vs/AntiDecompiler Cleaner/v16/.suo
 .vs/AntiDecompiler Cleaner/DesignTimeBuild/.dtbcache.v2
+bin/Debug/netcoreapp3.1/AntiDecompiler Cleaner 1.2.rar
diff --git a/AntiDecompilerPhase.cs b/AntiDecompilerPhase.cs
@@ -6,7 +6,7 @@ public static void Execute(MethodDef method) {
             var instr = method.Body.Instructions;
             for (var i = 0; i < instr.Count; i++)
                 // manually edit numbers, if file broken after used.
-                switch (AntiDecompilerUtils.Rnd.Next(0, 3)) {
+                switch (AntiDecompilerUtils.Rnd.Next(0, 4)) {
                     case 0:
                         AntiDecompilerUtils.CallsizeOfcalli(method); // thanks to cursedsheep
                         break;
@@ -16,6 +16,9 @@ public static void Execute(MethodDef method) {
                     case 2:
                         AntiDecompilerUtils.CallBox(method);
                         break;
+                    case 3:
+                        AntiDecompilerUtils.CallConstrained(method);
+                        break;
                 }
         }
     }

diff --git a/AntiDecompilerUtils.cs b/AntiDecompilerUtils.cs
@@ -42,5 +42,16 @@ internal static void CallBox(MethodDef method) {
                     instr[i + 1].OpCode = OpCodes.Nop;
                 }
         }
+
+        // This method solve
+        internal static void CallConstrained(MethodDef method) {
+            var instr = method.Body.Instructions;
+            for (var i = 0; i < instr.Count; i++) {
+                if (instr[i].IsBr() && instr[i + 1].OpCode == OpCodes.Constrained) {
+                    instr[i].OpCode = OpCodes.Nop;
+                    instr[i + 1].OpCode = OpCodes.Nop;
+                }
+            }
+        }
     }
 }