[Add] FishNet

2026-03-30 20:11:57 +07:00
parent ee793a3361
commit c22c08753a
1797 changed files with 197950 additions and 1 deletions
@@ -0,0 +1,290 @@
+//
+// Author:
+//   Jb Evain (jbevain@gmail.com)
+//
+// Copyright (c) 2008 - 2015 Jb Evain
+// Copyright (c) 2008 - 2011 Novell, Inc.
+//
+// Licensed under the MIT/X11 license.
+//
+
+using System;
+using System.Text;
+
+namespace MonoFN.Cecil.Cil
+{
+    public sealed class Instruction
+    {
+        internal int offset;
+        internal OpCode opcode;
+        internal object operand;
+        internal Instruction previous;
+        internal Instruction next;
+        public int Offset
+        {
+            get { return offset; }
+            set { offset = value; }
+        }
+        public OpCode OpCode
+        {
+            get { return opcode; }
+            set { opcode = value; }
+        }
+        public object Operand
+        {
+            get { return operand; }
+            set { operand = value; }
+        }
+        public Instruction Previous
+        {
+            get { return previous; }
+            set { previous = value; }
+        }
+        public Instruction Next
+        {
+            get { return next; }
+            set { next = value; }
+        }
+
+        internal Instruction(int offset, OpCode opCode)
+        {
+            this.offset = offset;
+            opcode = opCode;
+        }
+
+        internal Instruction(OpCode opcode, object operand)
+        {
+            this.opcode = opcode;
+            this.operand = operand;
+        }
+
+        public int GetSize()
+        {
+            int size = opcode.Size;
+
+            switch (opcode.OperandType)
+            {
+                case OperandType.InlineSwitch:
+                    return size + (1 + ((Instruction[])operand).Length) * 4;
+                case OperandType.InlineI8:
+                case OperandType.InlineR:
+                    return size + 8;
+                case OperandType.InlineBrTarget:
+                case OperandType.InlineField:
+                case OperandType.InlineI:
+                case OperandType.InlineMethod:
+                case OperandType.InlineString:
+                case OperandType.InlineTok:
+                case OperandType.InlineType:
+                case OperandType.ShortInlineR:
+                case OperandType.InlineSig:
+                    return size + 4;
+                case OperandType.InlineArg:
+                case OperandType.InlineVar:
+                    return size + 2;
+                case OperandType.ShortInlineBrTarget:
+                case OperandType.ShortInlineI:
+                case OperandType.ShortInlineArg:
+                case OperandType.ShortInlineVar:
+                    return size + 1;
+                default:
+                    return size;
+            }
+        }
+
+        public override string ToString()
+        {
+            StringBuilder instruction = new();
+
+            AppendLabel(instruction, this);
+            instruction.Append(':');
+            instruction.Append(' ');
+            instruction.Append(opcode.Name);
+
+            if (operand == null)
+                return instruction.ToString();
+
+            instruction.Append(' ');
+
+            switch (opcode.OperandType)
+            {
+                case OperandType.ShortInlineBrTarget:
+                case OperandType.InlineBrTarget:
+                    AppendLabel(instruction, (Instruction)operand);
+                    break;
+                case OperandType.InlineSwitch:
+                    Instruction[] labels = (Instruction[])operand;
+                    for (int i = 0; i < labels.Length; i++)
+                    {
+                        if (i > 0)
+                            instruction.Append(',');
+
+                        AppendLabel(instruction, labels[i]);
+                    }
+                    break;
+                case OperandType.InlineString:
+                    instruction.Append('\"');
+                    instruction.Append(operand);
+                    instruction.Append('\"');
+                    break;
+                default:
+                    instruction.Append(operand);
+                    break;
+            }
+
+            return instruction.ToString();
+        }
+
+        private static void AppendLabel(StringBuilder builder, Instruction instruction)
+        {
+            builder.Append("IL_");
+            builder.Append(instruction.offset.ToString("x4"));
+        }
+
+        public static Instruction Create(OpCode opcode)
+        {
+            if (opcode.OperandType != OperandType.InlineNone)
+                throw new ArgumentException("opcode");
+
+            return new(opcode, null);
+        }
+
+        public static Instruction Create(OpCode opcode, TypeReference type)
+        {
+            if (type == null)
+                throw new ArgumentNullException("type");
+            if (opcode.OperandType != OperandType.InlineType && opcode.OperandType != OperandType.InlineTok)
+                throw new ArgumentException("opcode");
+
+            return new(opcode, type);
+        }
+
+        public static Instruction Create(OpCode opcode, CallSite site)
+        {
+            if (site == null)
+                throw new ArgumentNullException("site");
+            if (opcode.Code != Code.Calli)
+                throw new ArgumentException("code");
+
+            return new(opcode, site);
+        }
+
+        public static Instruction Create(OpCode opcode, MethodReference method)
+        {
+            if (method == null)
+                throw new ArgumentNullException("method");
+            if (opcode.OperandType != OperandType.InlineMethod && opcode.OperandType != OperandType.InlineTok)
+                throw new ArgumentException("opcode");
+
+            return new(opcode, method);
+        }
+
+        public static Instruction Create(OpCode opcode, FieldReference field)
+        {
+            if (field == null)
+                throw new ArgumentNullException("field");
+            if (opcode.OperandType != OperandType.InlineField && opcode.OperandType != OperandType.InlineTok)
+                throw new ArgumentException("opcode");
+
+            return new(opcode, field);
+        }
+
+        public static Instruction Create(OpCode opcode, string value)
+        {
+            if (value == null)
+                throw new ArgumentNullException("value");
+            if (opcode.OperandType != OperandType.InlineString)
+                throw new ArgumentException("opcode");
+
+            return new(opcode, value);
+        }
+
+        public static Instruction Create(OpCode opcode, sbyte value)
+        {
+            if (opcode.OperandType != OperandType.ShortInlineI && opcode != OpCodes.Ldc_I4_S)
+                throw new ArgumentException("opcode");
+
+            return new(opcode, value);
+        }
+
+        public static Instruction Create(OpCode opcode, byte value)
+        {
+            if (opcode.OperandType != OperandType.ShortInlineI || opcode == OpCodes.Ldc_I4_S)
+                throw new ArgumentException("opcode");
+
+            return new(opcode, value);
+        }
+
+        public static Instruction Create(OpCode opcode, int value)
+        {
+            if (opcode.OperandType != OperandType.InlineI)
+                throw new ArgumentException("opcode");
+
+            return new(opcode, value);
+        }
+
+        public static Instruction Create(OpCode opcode, long value)
+        {
+            if (opcode.OperandType != OperandType.InlineI8)
+                throw new ArgumentException("opcode");
+
+            return new(opcode, value);
+        }
+
+        public static Instruction Create(OpCode opcode, float value)
+        {
+            if (opcode.OperandType != OperandType.ShortInlineR)
+                throw new ArgumentException("opcode");
+
+            return new(opcode, value);
+        }
+
+        public static Instruction Create(OpCode opcode, double value)
+        {
+            if (opcode.OperandType != OperandType.InlineR)
+                throw new ArgumentException("opcode");
+
+            return new(opcode, value);
+        }
+
+        public static Instruction Create(OpCode opcode, Instruction target)
+        {
+            if (target == null)
+                throw new ArgumentNullException("target");
+            if (opcode.OperandType != OperandType.InlineBrTarget && opcode.OperandType != OperandType.ShortInlineBrTarget)
+                throw new ArgumentException("opcode");
+
+            return new(opcode, target);
+        }
+
+        public static Instruction Create(OpCode opcode, Instruction[] targets)
+        {
+            if (targets == null)
+                throw new ArgumentNullException("targets");
+            if (opcode.OperandType != OperandType.InlineSwitch)
+                throw new ArgumentException("opcode");
+
+            return new(opcode, targets);
+        }
+
+        public static Instruction Create(OpCode opcode, VariableDefinition variable)
+        {
+            if (variable == null)
+                throw new ArgumentNullException("variable");
+            if (opcode.OperandType != OperandType.ShortInlineVar && opcode.OperandType != OperandType.InlineVar)
+                throw new ArgumentException("opcode");
+
+            return new(opcode, variable);
+        }
+
+        public static Instruction Create(OpCode opcode, ParameterDefinition parameter)
+        {
+            if (parameter == null)
+                throw new ArgumentNullException("parameter");
+            if (opcode.OperandType != OperandType.ShortInlineArg && opcode.OperandType != OperandType.InlineArg)
+                throw new ArgumentException("opcode");
+
+            return new(opcode, parameter);
+        }
+    }
+}