rendered paste bodyusing System;
using System.Collections;
using System.Reflection;
namespace NPhilosopher.NILC {
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;
}
| Inst {
Pos : 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 Reflector {
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),
(0x0025U, "dup", null),
(0x0027U, "jmp", NIL.TokenArg()),
(0x0028U, "call", NIL.TokenArg()),
(0x0029U, "calli", NIL.TokenArg()),
(0x002AU, "ret", null),
(0x002BU, "br.s", NIL.Int(8)),
(0x002CU, "brfalse.s", NIL.Int(8)),
(0x002DU, "brtrue.s", NIL.Int(8)),
(0x002EU, "beq.s", NIL.Int(8)),
(0x002FU, "bge.s", NIL.Int(8)),
(0x0030U, "bgt.s", NIL.Int(8)),
(0x0031U, "ble.s", NIL.Int(8)),
(0x0032U, "blt.s", NIL.Int(8)),
(0x0033U, "bne.s", NIL.Int(8)),
(0x0034U, "bge.un.s", NIL.Int(8)),
(0x0035U, "bgt.un.s", NIL.Int(8)),
(0x0036U, "ble.un.s", NIL.Int(8)),
(0x0037U, "ble.un.s", NIL.Int(8)),
(0x0038U, "br", NIL.Int(32)),
(0x0039U, "brfalse", NIL.Int(32)),
(0x003AU, "brtrue", NIL.Int(32)),
(0x003BU, "beq", NIL.Int(32)),
(0x003CU, "bge", NIL.Int(32)),
(0x003DU, "bgt", NIL.Int(32)),
(0x003EU, "ble", NIL.Int(32)),
(0x003FU, "blt", NIL.Int(32)),
(0x0040U, "bne", NIL.Int(32)),
(0x0041U, "bge.un", NIL.Int(32)),
(0x0042U, "bgt.un", NIL.Int(32)),
(0x0043U, "ble.un", NIL.Int(32)),
(0x0044U, "blt.un", NIL.Int(32)),
(0x0058U, "add", null),
(0x005BU, "div", null),
(0x005CU, "div.un", null),
(0x005FU, "and", 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),
(0x0072U, "ldstr", NIL.TokenArg()),
(0x0076U, "conv.r.un", null),
(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),
(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),
(0x00C3U, "ckfinite", null),
(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),
(0x00DCU, "endfinally", 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),
(0xFE11U, "endfilter", null),
(0xFE18U, "initblk", null), // Once you go block, you never go back
];
public Reflect(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;
System.Console.WriteLine("{0}", member.Name);
NAssembly.Method(
MethodName=member.Name,
Arguments=ReflectMethodArguments(method),
ReturnType=method.ReturnType,
IL={
def body = method.GetMethodBody();
if(body == null)
null;
else
ReflectMethodIL(body, t.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 blocks = Hashtable();
def il = body.GetILAsByteArray();
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) {
| 0x0A => NIL.Object(mod.ResolveMember(token));
| 0x70 => NIL.Object(mod.ResolveString(token));
| x =>
System.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++;
NIL.Inst(
Pos=start,
Prefix=prefix,
Opcode=opcd,
Mnem=mnem,
Argument=ParseArgument(arg)
);
}
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
);
match(inst) {
| null =>
System.Console.WriteLine("{0}: {1:X}", next, opcd);
throw Exception();
| NIL.Inst(_, _, opcd, mnem, arg) =>
when(opcd == 0x002AU) // ret
next = -1;
System.Console.WriteLine(
"{0} {1}",
mnem,
match(arg) {
| Object(obj) => obj;
| x => x;
}
);
}
inst;
}
def Process(pos) {
if(blocks.ContainsKey(pos))
blocks[pos] :> NIL.Block;
else {
mutable inst : NIL.Inst;
next = pos;
start = pos;
while(next != -1) {
inst = Parse();
}
def block = NIL.Block(pos);
blocks[pos] = block;
block;
}
}
Process(0);
}
}
}