rendered paste bodyusing System;
using System.Collections;
using System.Reflection;
namespace NPhilosopher {
public variant NAssembly {
| Assembly {
AssemblyName : string;
Types : list [NAssembly];
}
| Type {
TypeName : string;
Members : list [NAssembly];
}
| Method {
MethodName : string;
Arguments : list [NAssembly];
ReturnType : System.Type;
IL : NIL;
}
| Argument {
ArgName : string;
ArgType : System.Type;
}
| Other
}
public variant NIL {
| Block {
Pos : int;
Insts : ArrayList;
}
| Inst {
Pos : int;
Size : int;
Prefix : NIL;
Opcode : uint;
Mnem : string;
Argument : NIL;
}
| TokenArg
| IntArg {
Size : int;
}
| UIntArg {
USize : int;
}
| Int {
Value : int;
}
| UInt {
UValue : uint;
}
| Object {
OValue : object;
}
}
public module CILReflector {
public Prefixes : list [uint * string * NIL] = [
(0xFE16U, "constrained.", NIL.TokenArg()),
(0xFE19U, "no.", NIL.UIntArg(8)),
(0xFE1EU, "readonly.", null),
(0xFE14U, "tail.", null),
(0xFE12U, "unaligned.", NIL.UIntArg(8)),
(0xFE13U, "volatile.", null)
];
public Opcodes : list [uint * string * NIL] = [
(0x0000U, "nop", null),
(0x0001U, "break", null),
(0x0002U, "ldarg.0", null),
(0x0003U, "ldarg.1", null),
(0x0004U, "ldarg.2", null),
(0x0005U, "ldarg.3", null),
(0x0006U, "ldarg.0", null),
(0x0007U, "ldarg.1", null),
(0x0008U, "ldarg.2", null),
(0x0009U, "ldarg.3", null),
(0x000AU, "stloc.0", null),
(0x000BU, "stloc.1", null),
(0x000CU, "stloc.2", null),
(0x000DU, "stloc.3", null),
(0x000EU, "ldarg.s", NIL.IntArg(8)),
(0x000FU, "ldarga.s", NIL.IntArg(8)),
(0x0010U, "starg.s", NIL.IntArg(8)),
(0x0011U, "ldloc.s", NIL.IntArg(8)),
(0x0012U, "ldloca.s", NIL.IntArg(8)),
(0x0013U, "stloc.s", NIL.IntArg(8)),
(0x0014U, "ldnull", null),
(0x0015U, "ldc.i4.m1", null),
(0x0016U, "ldc.i4.0", null),
(0x0017U, "ldc.i4.1", null),
(0x0018U, "ldc.i4.2", null),
(0x0019U, "ldc.i4.3", null),
(0x001AU, "ldc.i4.4", null),
(0x001BU, "ldc.i4.5", null),
(0x001CU, "ldc.i4.6", null),
(0x001DU, "ldc.i4.7", null),
(0x001EU, "ldc.i4.8", null),
(0x001FU, "ldc.i4.s", NIL.IntArg(8)),
(0x0020U, "ldc.i4", NIL.IntArg(32)),
(0x0021U, "ldc.i8", NIL.IntArg(64)),
//(0x0022U, "ldc.r4", NIL.FloatArg(32)),
//(0x0023U, "ldc.r8", NIL.FloatArg(64)),
(0x0025U, "dup", null),
(0x0026U, "pop", null),
(0x0027U, "jmp", NIL.TokenArg()),
(0x0028U, "call", NIL.TokenArg()),
(0x0029U, "calli", NIL.TokenArg()),
(0x002AU, "ret", null),
(0x002BU, "br.s", NIL.IntArg(8)),
(0x002CU, "brfalse.s", NIL.IntArg(8)),
(0x002DU, "brtrue.s", NIL.IntArg(8)),
(0x002EU, "beq.s", NIL.IntArg(8)),
(0x002FU, "bge.s", NIL.IntArg(8)),
(0x0030U, "bgt.s", NIL.IntArg(8)),
(0x0031U, "ble.s", NIL.IntArg(8)),
(0x0032U, "blt.s", NIL.IntArg(8)),
(0x0033U, "bne.s", NIL.IntArg(8)),
(0x0034U, "bge.un.s", NIL.IntArg(8)),
(0x0035U, "bgt.un.s", NIL.IntArg(8)),
(0x0036U, "ble.un.s", NIL.IntArg(8)),
(0x0037U, "ble.un.s", NIL.IntArg(8)),
(0x0038U, "br", NIL.IntArg(32)),
(0x0039U, "brfalse", NIL.IntArg(32)),
(0x003AU, "brtrue", NIL.IntArg(32)),
(0x003BU, "beq", NIL.IntArg(32)),
(0x003CU, "bge", NIL.IntArg(32)),
(0x003DU, "bgt", NIL.IntArg(32)),
(0x003EU, "ble", NIL.IntArg(32)),
(0x003FU, "blt", NIL.IntArg(32)),
(0x0040U, "bne", NIL.IntArg(32)),
(0x0041U, "bge.un", NIL.IntArg(32)),
(0x0042U, "bgt.un", NIL.IntArg(32)),
(0x0043U, "ble.un", NIL.IntArg(32)),
(0x0044U, "blt.un", NIL.IntArg(32)),
(0x0046U, "ldind.i1", null),
(0x0047U, "ldind.u1", null),
(0x0048U, "ldind.i2", null),
(0x0049U, "ldind.u2", null),
(0x004AU, "ldind.i4", null),
(0x004BU, "ldind.u4", null),
(0x004CU, "ldind.i8", null),
(0x004DU, "ldind.i", null),
(0x004EU, "ldind.r4", null),
(0x004FU, "ldind.r8", null),
(0x0050U, "ldind.ref", null),
(0x0051U, "stind.ref", null),
(0x0052U, "stind.i1", null),
(0x0053U, "stind.i2", null),
(0x0054U, "stind.i4", null),
(0x0055U, "stind.i8", null),
(0x0056U, "stind.r4", null),
(0x0057U, "stind.r8", null),
(0x0058U, "add", null),
(0x0059U, "sub", null),
(0x005AU, "mul", null),
(0x005BU, "div", null),
(0x005CU, "div.un", null),
(0x005DU, "rem", null),
(0x005EU, "rem.un", null),
(0x005FU, "and", null),
(0x0060U, "or", null),
(0x0061U, "xor", null),
(0x0062U, "shl", null),
(0x0063U, "shr", null),
(0x0064U, "shr.un", null),
(0x0065U, "neg", null),
(0x0066U, "nop", null),
(0x0067U, "conv.i1", null),
(0x0068U, "conv.i2", null),
(0x0069U, "conv.i4", null),
(0x006AU, "conv.i8", null),
(0x006BU, "conv.r4", null),
(0x006CU, "conv.r8", null),
(0x006DU, "conv.u4", null),
(0x006EU, "conv.u8", null),
(0x006FU, "callvirt", NIL.TokenArg()),
(0x0070U, "cpobj", NIL.TokenArg()),
(0x0071U, "ldobj", NIL.TokenArg()),
(0x0072U, "ldstr", NIL.TokenArg()),
(0x0073U, "newobj", NIL.TokenArg()),
(0x0074U, "castclass", NIL.TokenArg()),
(0x0075U, "isinst", NIL.TokenArg()),
(0x0076U, "conv.r.un", null),
(0x0079U, "unbox", NIL.TokenArg()),
(0x007AU, "throw", null),
(0x007BU, "ldfld", NIL.TokenArg()),
(0x007CU, "ldflda", NIL.TokenArg()),
(0x007CU, "stfld", NIL.TokenArg()),
(0x007EU, "ldsfld", NIL.TokenArg()),
(0x007FU, "ldsflda", NIL.TokenArg()),
(0x0080U, "stsfld", NIL.TokenArg()),
(0x0081U, "stobj", NIL.TokenArg()),
(0x0082U, "conv.ovf.i1.un", null),
(0x0083U, "conv.ovf.i2.un", null),
(0x0084U, "conv.ovf.i4.un", null),
(0x0085U, "conv.ovf.i8.un", null),
(0x0086U, "conv.ovf.u1.un", null),
(0x0087U, "conv.ovf.u2.un", null),
(0x0088U, "conv.ovf.u4.un", null),
(0x0089U, "conv.ovf.u8.un", null),
(0x008AU, "conv.ovf.i.un", null),
(0x008BU, "conv.ovf.u.un", null),
(0x008CU, "box", NIL.TokenArg()),
(0x008DU, "newarr", NIL.TokenArg()),
(0x008EU, "ldlen", null),
(0x008FU, "ldelema", NIL.TokenArg()),
(0x0090U, "ldelem.i1", null),
(0x0091U, "ldelem.u1", null),
(0x0092U, "ldelem.i2", null),
(0x0093U, "ldelem.u2", null),
(0x0094U, "ldelem.i4", null),
(0x0095U, "ldelem.u4", null),
(0x0096U, "ldelem.i8", null),
(0x0097U, "ldelem.i", null),
(0x0098U, "ldelem.r4", null),
(0x0099U, "ldelem.r8", null),
(0x009AU, "ldelem.ref", null),
(0x009BU, "stelem.i1", null),
(0x009CU, "stelem.i1", null),
(0x009DU, "stelem.i2", null),
(0x009EU, "stelem.i4", null),
(0x009FU, "stelem.i8", null),
(0x00A0U, "stelem.r4", null),
(0x00A1U, "stelem.r8", null),
(0x00A2U, "stelem.ref", null),
(0x00A3U, "ldelem", NIL.TokenArg()),
(0x00A3U, "stelem", NIL.TokenArg()),
(0x00A5U, "unbox.any", NIL.TokenArg()),
(0x00B3U, "conv.ovf.i1", null),
(0x00B4U, "conv.ovf.u1", null),
(0x00B5U, "conv.ovf.i2", null),
(0x00B6U, "conv.ovf.u2", null),
(0x00B7U, "conv.ovf.i4", null),
(0x00B8U, "conv.ovf.u4", null),
(0x00B9U, "conv.ovf.i8", null),
(0x00BAU, "conv.ovf.u8", null),
(0x00C2U, "refanyval", NIL.TokenArg()),
(0x00C3U, "ckfinite", null),
(0x00C6U, "mkrefany", NIL.TokenArg()),
(0x00D0U, "ldtoken", NIL.TokenArg()),
(0x00D1U, "conv.u2", null),
(0x00D2U, "conv.u1", null),
(0x00D3U, "conv.i", null),
(0x00D4U, "conv.ovf.i", null),
(0x00D5U, "conv.ovf.u", null),
(0x00D6U, "add.ovf", null),
(0x00D7U, "add.ovf.un", null),
(0x00D8U, "mul.ovf", null),
(0x00D9U, "mul.ovf.un", null),
(0x00DAU, "sub.ovf", null),
(0x00DBU, "sub.ovf.un", null),
(0x00DCU, "endfinally", null),
(0x00DDU, "leave", NIL.IntArg(32)),
(0x00DEU, "leave.s", NIL.IntArg(8)),
(0x00DFU, "stind.i", null),
(0x00E0U, "conv.u", null),
(0xFE00U, "arglist", null),
(0xFE01U, "ceq", null),
(0xFE02U, "cgt", null),
(0xFE03U, "cgt.un", null),
(0xFE04U, "clt", null),
(0xFE05U, "clt.un", null),
(0xFE06U, "ldftn", NIL.TokenArg()),
(0xFE07U, "ldvirtftn", NIL.TokenArg()),
(0xFE09U, "ldarg", NIL.IntArg(16)),
(0xFE0AU, "ldarga", NIL.IntArg(16)),
(0xFE0BU, "starg", NIL.IntArg(16)),
(0xFE0CU, "ldloc", NIL.IntArg(16)),
(0xFE0DU, "ldloca", NIL.IntArg(16)),
(0xFE0EU, "stloc", NIL.IntArg(16)),
(0xFE0FU, "localloc", null),
(0xFE11U, "endfilter", null),
(0xFE15U, "initobj", NIL.TokenArg()),
(0xFE18U, "initblk", null), // Once you go block, you never go back
(0xFE1AU, "rethrow", null),
(0xFE1CU, "sizeof", NIL.TokenArg()),
(0xFE1DU, "refanytype", null),
];
public ReflectAssembly(file : string) : NAssembly {
mutable types : list [NAssembly] = [];
def assembly = Assembly.ReflectionOnlyLoadFrom(file);
foreach(t in assembly.GetTypes())
types = NAssembly.Type(t.FullName, ReflectMembers(t)) :: types;
NAssembly.Assembly(assembly.FullName, types);
}
public ReflectMembers(t : Type) : list[NAssembly] {
mutable members : list [NAssembly] = [];
def flags = (
BindingFlags.Instance |
BindingFlags.Static |
BindingFlags.Public |
BindingFlags.NonPublic
);
foreach(member in t.GetMembers(flags)) {
def mem = match(member.MemberType) {
| MemberTypes.Method =>
def method = member :> MethodInfo;
NAssembly.Method(
MethodName=member.Name,
Arguments=ReflectMethodArguments(method),
ReturnType=method.ReturnType,
IL={
def body = method.GetMethodBody();
if(body == null)
null;
else
ReflectMethodIL(body, method.Module);
}
);
| _ => NAssembly.Other();
};
members = mem :: members;
}
members;
}
public ReflectMethodArguments(m : MethodInfo) : list [NAssembly] {
mutable args : list [NAssembly] = [];
foreach(param in m.GetParameters())
args = NAssembly.Argument(param.Name, param.ParameterType) :: args;
args;
}
public ReflectMethodIL(body : MethodBody, mod : Module) : NIL.Block {
def insts = Hashtable();
def blocks = Hashtable();
def il = body.GetILAsByteArray();
mutable blockList : list [int] = [];
mutable next : int;
mutable start : int;
def U32() {
(il[next] :> uint |
(il[next + 1] :> uint << 8) |
(il[next + 2] :> uint << 16) |
(il[next + 3] :> uint << 24));
}
def ParseArgument(arg) : NIL {
| NIL.TokenArg =>
def token = U32() :> int;
next += 4;
match(token >> 24) {
| 0x06 => NIL.Object(mod.ResolveMethod(token));
| 0x0A => NIL.Object(mod.ResolveMember(token));
| 0x70 => NIL.Object(mod.ResolveString(token));
| x =>
Console.WriteLine("Table: {0:X}", x);
NIL.Object(null);
}
| NIL.IntArg(size) =>
def temp = match(ParseArgument(NIL.UIntArg(size))) {
| NIL.UInt(val) => val :> int;
| _ => 0;
};
def signmask = 1U << (size - 1);
NIL.Int({
if((temp :> uint & signmask) != 0)
match(size) {
| 8 => -(~temp & 0xFF) - 1;
| 16 => -(~temp & 0xFFFF) - 1;
| 24 => -(~temp) - 1;
| _ => temp;
}
else
temp;
});
| NIL.UIntArg(size) =>
def temp = NIL.UInt(
match(size) {
| 8 => il[next] :> uint;
| 16 => (il[next] :> uint | (il[next + 1] :> uint << 8));
| 32 => U32();
| _ => 0U;
}
);
next += size >> 3;
temp;
| _ => null;
}
def ParseOpcd(opcd, prefix, opcodes) {
match(opcodes) {
| [] => null;
| (instopcd, mnem, arg) :: rest =>
if(opcd == instopcd) {
next++;
unless(opcd & 0xFF00U == 0)
next++;
def parg = ParseArgument(arg);
NIL.Inst(
Pos=start,
Size=next-start,
Prefix=prefix,
Opcode=opcd,
Mnem=mnem,
Argument=parg
);
}
else
ParseOpcd(opcd, prefix, rest);
}
}
def Parse() {
def prefix = ParseOpcd(
match(il[next] :> uint) {
| 0xFEU => (0xFE00U | (il[next+1] :> uint));
| x => x;
},
null,
Prefixes
);
def opcd = match(il[next] :> uint) {
| 0xFEU => (0xFE00U | (il[next+1] :> uint));
| x => x;
};
def inst = ParseOpcd(
opcd,
prefix,
Opcodes
);
when(inst == null)
throw Exception(String.Format("Unknown opcode {0:X}", opcd));
inst;
}
def ProcessInst(pos) : void {
unless(insts.ContainsKey(pos)) {
next = pos;
def inst = Parse();
insts.Add(pos, inst);
match(inst) {
| NIL.Inst(_, _, _, opcd, _, arg) =>
match(opcd) {
| 0x002AU => (); // ret
// Conditional branches
| 0x002CU | 0x002DU | 0x002EU | 0x002FU
| 0x0030U | 0x0031U | 0x0032U | 0x0033U
| 0x0034U | 0x0035U | 0x0036U | 0x0037U
| 0x0039U | 0x003AU | 0x003BU | 0x003CU
| 0x003DU | 0x003EU | 0x003FU | 0x0030U
| 0x0031U | 0x0032U | 0x0033U | 0x0034U
// Unconditional branches
| 0x002BU | 0x003BU =>
def target = match(arg) {
| Int(val) =>
next + val;
| x => throw Exception(String.Format("Unknown branch arg {0}", x));
};
blockList = target :: blockList;
ProcessInst(target);
unless(target == next)
ProcessInst(next);
| _ =>
ProcessInst(next);
}
}
}
}
def BuildBlocks(remaining) {
| [] => blocks[0] :> NIL.Block;
| pos :: rest =>
def blockInsts = ArrayList();
next = pos;
mutable break : bool = false;
while(!break && insts.ContainsKey(next)) {
def inst = insts[next] :> NIL.Inst;
_ = blockInsts.Add(inst);
match(inst) {
| Inst(_, size, _, _, _, _) =>
next = size;
when(blocks.ContainsKey(next))
break = true;
}
}
_ = blocks.Add(pos, NIL.Block(pos, blockInsts));
BuildBlocks(rest);
}
blockList = 0 :: blockList;
ProcessInst(0);
BuildBlocks(blockList);
}
private Dump(obj : NAssembly) : void {
| NAssembly.Assembly(name, types) =>
Console.WriteLine("Assembly: {0}", name);
DumpList(types);
| NAssembly.Type(name, members) =>
Console.WriteLine("\tType: {0}", name);
DumpList(members);
| NAssembly.Method(name, args, returnType, il) =>
Console.WriteLine("\t\tMethod: {0}", name);
DumpList(args);
Console.WriteLine("\t\t\tReturns: {0}", returnType);
match(il) {
| NIL.Block(_, insts) =>
foreach(inst :> NIL.Inst in insts)
match(inst) {
| NIL.Inst(_, _, _, _, mnem, arg) =>
Console.WriteLine(
"\t\t\t\t{0} {1}",
mnem,
match(arg) {
| Int(val) => val : object;
| UInt(val) => val : object;
| Object(obj) => obj;
| x => x;
}
);
}
| _ => ();
}
| NAssembly.Argument(name, argType) =>
Console.WriteLine("\t\t\tArgument: {0} : {1}", name, argType);
| _ => ();
}
private DumpList(obj : list [NAssembly]) : void {
| [] => ();
| head :: tail =>
Dump(head);
DumpList(tail);
}
}
}