(* low-il.in
 *
 * COPYRIGHT (c) 2010 The Diderot Project (http://diderot-language.cs.uchicago.edu)
 * All rights reserved.
 *
 * Lower-level version of the Diderot IL input file.
 *
 *)

structure LowOps =
  struct

    type ty = LowILTypes.ty

    val samety = LowILTypes.same
    val hashty = LowILTypes.hash
    val tyToString = LowILTypes.toString

    fun sameint (i1 : int, i2) = (i1 = i2)
    fun hashint i = Word.fromInt i
    fun intToString i = Int.toString i

    fun samestring (s1 : string, s2) = (s1 = s2)
    val hashstring = HashString.hashString
    fun stringToString s = String.concat["\"", s, "\""]

    datatype rator
      = Add of ty
      | Sub of ty
      | Mul of ty
      | Div of ty
      | Neg of ty
      | Abs of ty
      | LT of ty
      | LTE of ty
      | EQ of ty
      | NEQ of ty
      | GT of ty
      | GTE of ty
      | Not
      | Max
      | Min
      | Lerp of ty
      | Dot of int
      | MulVecMat of int * int
      | MulMatVec of int * int
      | MulMatMat of int * int * int
      | Cross
      | Select of ty * int
      | Norm of ty
      | Normalize of int
      | Scale of ty
      | CL
      | PrincipleEvec of ty
      | Identity of int
      | Zero of ty
      | Trace of int
      | Subscript of ty
      | Ceiling of int
      | Floor of int
      | Round of int
      | Trunc of int
      | IntToReal
      | RealToInt of int
      | ImageAddress of ImageInfo.info
      | LoadVoxels of ImageInfo.info * int
      | PosToImgSpace of ImageInfo.info
      | TensorToWorldSpace of ImageInfo.info * ty
      | LoadImage of ImageInfo.info
      | Inside of ImageInfo.info * int
      | Input of ty * string
      | InputWithDefault of ty * string

    fun arity (Add _) = 2
      | arity (Sub _) = 2
      | arity (Mul _) = 2
      | arity (Div _) = 2
      | arity (Neg _) = 1
      | arity (Abs _) = 1
      | arity (LT _) = 2
      | arity (LTE _) = 2
      | arity (EQ _) = 2
      | arity (NEQ _) = 2
      | arity (GT _) = 2
      | arity (GTE _) = 2
      | arity Not = 1
      | arity Max = 2
      | arity Min = 2
      | arity (Lerp _) = 3
      | arity (Dot _) = 2
      | arity (MulVecMat _) = 2
      | arity (MulMatVec _) = 2
      | arity (MulMatMat _) = 2
      | arity Cross = 2
      | arity (Select _) = 1
      | arity (Norm _) = 1
      | arity (Normalize _) = 1
      | arity (Scale _) = 2
      | arity CL = 1
      | arity (PrincipleEvec _) = 2
      | arity (Identity _) = 0
      | arity (Zero _) = 0
      | arity (Trace _) = 1
      | arity (Subscript _) = 2
      | arity (Ceiling _) = 1
      | arity (Floor _) = 1
      | arity (Round _) = 1
      | arity (Trunc _) = 1
      | arity IntToReal = 1
      | arity (RealToInt _) = 1
      | arity (ImageAddress _) = 1
      | arity (LoadVoxels _) = 1
      | arity (PosToImgSpace _) = 2
      | arity (TensorToWorldSpace _) = 2
      | arity (LoadImage _) = 1
      | arity (Inside _) = 2
      | arity (Input _) = 0
      | arity (InputWithDefault _) = 1

    fun same (Add(a0), Add(b0)) = samety(a0, b0)
      | same (Sub(a0), Sub(b0)) = samety(a0, b0)
      | same (Mul(a0), Mul(b0)) = samety(a0, b0)
      | same (Div(a0), Div(b0)) = samety(a0, b0)
      | same (Neg(a0), Neg(b0)) = samety(a0, b0)
      | same (Abs(a0), Abs(b0)) = samety(a0, b0)
      | same (LT(a0), LT(b0)) = samety(a0, b0)
      | same (LTE(a0), LTE(b0)) = samety(a0, b0)
      | same (EQ(a0), EQ(b0)) = samety(a0, b0)
      | same (NEQ(a0), NEQ(b0)) = samety(a0, b0)
      | same (GT(a0), GT(b0)) = samety(a0, b0)
      | same (GTE(a0), GTE(b0)) = samety(a0, b0)
      | same (Not, Not) = true
      | same (Max, Max) = true
      | same (Min, Min) = true
      | same (Lerp(a0), Lerp(b0)) = samety(a0, b0)
      | same (Dot(a0), Dot(b0)) = sameint(a0, b0)
      | same (MulVecMat(a0,a1), MulVecMat(b0,b1)) = sameint(a0, b0) andalso sameint(a1, b1)
      | same (MulMatVec(a0,a1), MulMatVec(b0,b1)) = sameint(a0, b0) andalso sameint(a1, b1)
      | same (MulMatMat(a0,a1,a2), MulMatMat(b0,b1,b2)) = sameint(a0, b0) andalso sameint(a1, b1) andalso sameint(a2, b2)
      | same (Cross, Cross) = true
      | same (Select(a0,a1), Select(b0,b1)) = samety(a0, b0) andalso sameint(a1, b1)
      | same (Norm(a0), Norm(b0)) = samety(a0, b0)
      | same (Normalize(a0), Normalize(b0)) = sameint(a0, b0)
      | same (Scale(a0), Scale(b0)) = samety(a0, b0)
      | same (CL, CL) = true
      | same (PrincipleEvec(a0), PrincipleEvec(b0)) = samety(a0, b0)
      | same (Identity(a0), Identity(b0)) = sameint(a0, b0)
      | same (Zero(a0), Zero(b0)) = samety(a0, b0)
      | same (Trace(a0), Trace(b0)) = sameint(a0, b0)
      | same (Subscript(a0), Subscript(b0)) = samety(a0, b0)
      | same (Ceiling(a0), Ceiling(b0)) = sameint(a0, b0)
      | same (Floor(a0), Floor(b0)) = sameint(a0, b0)
      | same (Round(a0), Round(b0)) = sameint(a0, b0)
      | same (Trunc(a0), Trunc(b0)) = sameint(a0, b0)
      | same (IntToReal, IntToReal) = true
      | same (RealToInt(a0), RealToInt(b0)) = sameint(a0, b0)
      | same (ImageAddress(a0), ImageAddress(b0)) = ImageInfo.same(a0, b0)
      | same (LoadVoxels(a0,a1), LoadVoxels(b0,b1)) = ImageInfo.same(a0, b0) andalso sameint(a1, b1)
      | same (PosToImgSpace(a0), PosToImgSpace(b0)) = ImageInfo.same(a0, b0)
      | same (TensorToWorldSpace(a0,a1), TensorToWorldSpace(b0,b1)) = ImageInfo.same(a0, b0) andalso samety(a1, b1)
      | same (LoadImage(a0), LoadImage(b0)) = ImageInfo.same(a0, b0)
      | same (Inside(a0,a1), Inside(b0,b1)) = ImageInfo.same(a0, b0) andalso sameint(a1, b1)
      | same (Input(a0,a1), Input(b0,b1)) = samety(a0, b0) andalso samestring(a1, b1)
      | same (InputWithDefault(a0,a1), InputWithDefault(b0,b1)) = samety(a0, b0) andalso samestring(a1, b1)
      | same _ = false

    fun hash (Add(a0)) = 0w3 + hashty a0
      | hash (Sub(a0)) = 0w5 + hashty a0
      | hash (Mul(a0)) = 0w7 + hashty a0
      | hash (Div(a0)) = 0w11 + hashty a0
      | hash (Neg(a0)) = 0w13 + hashty a0
      | hash (Abs(a0)) = 0w17 + hashty a0
      | hash (LT(a0)) = 0w19 + hashty a0
      | hash (LTE(a0)) = 0w23 + hashty a0
      | hash (EQ(a0)) = 0w29 + hashty a0
      | hash (NEQ(a0)) = 0w31 + hashty a0
      | hash (GT(a0)) = 0w37 + hashty a0
      | hash (GTE(a0)) = 0w41 + hashty a0
      | hash Not = 0w43
      | hash Max = 0w47
      | hash Min = 0w53
      | hash (Lerp(a0)) = 0w59 + hashty a0
      | hash (Dot(a0)) = 0w61 + hashint a0
      | hash (MulVecMat(a0,a1)) = 0w67 + hashint a0 + hashint a1
      | hash (MulMatVec(a0,a1)) = 0w71 + hashint a0 + hashint a1
      | hash (MulMatMat(a0,a1,a2)) = 0w73 + hashint a0 + hashint a1 + hashint a2
      | hash Cross = 0w79
      | hash (Select(a0,a1)) = 0w83 + hashty a0 + hashint a1
      | hash (Norm(a0)) = 0w89 + hashty a0
      | hash (Normalize(a0)) = 0w97 + hashint a0
      | hash (Scale(a0)) = 0w101 + hashty a0
      | hash CL = 0w103
      | hash (PrincipleEvec(a0)) = 0w107 + hashty a0
      | hash (Identity(a0)) = 0w109 + hashint a0
      | hash (Zero(a0)) = 0w113 + hashty a0
      | hash (Trace(a0)) = 0w127 + hashint a0
      | hash (Subscript(a0)) = 0w131 + hashty a0
      | hash (Ceiling(a0)) = 0w137 + hashint a0
      | hash (Floor(a0)) = 0w139 + hashint a0
      | hash (Round(a0)) = 0w149 + hashint a0
      | hash (Trunc(a0)) = 0w151 + hashint a0
      | hash IntToReal = 0w157
      | hash (RealToInt(a0)) = 0w163 + hashint a0
      | hash (ImageAddress(a0)) = 0w167 + ImageInfo.hash a0
      | hash (LoadVoxels(a0,a1)) = 0w173 + ImageInfo.hash a0 + hashint a1
      | hash (PosToImgSpace(a0)) = 0w179 + ImageInfo.hash a0
      | hash (TensorToWorldSpace(a0,a1)) = 0w181 + ImageInfo.hash a0 + hashty a1
      | hash (LoadImage(a0)) = 0w191 + ImageInfo.hash a0
      | hash (Inside(a0,a1)) = 0w193 + ImageInfo.hash a0 + hashint a1
      | hash (Input(a0,a1)) = 0w197 + hashty a0 + hashstring a1
      | hash (InputWithDefault(a0,a1)) = 0w199 + hashty a0 + hashstring a1

    fun toString (Add(a0)) = concat["Add<", tyToString a0, ">"]
      | toString (Sub(a0)) = concat["Sub<", tyToString a0, ">"]
      | toString (Mul(a0)) = concat["Mul<", tyToString a0, ">"]
      | toString (Div(a0)) = concat["Div<", tyToString a0, ">"]
      | toString (Neg(a0)) = concat["Neg<", tyToString a0, ">"]
      | toString (Abs(a0)) = concat["Abs<", tyToString a0, ">"]
      | toString (LT(a0)) = concat["LT<", tyToString a0, ">"]
      | toString (LTE(a0)) = concat["LTE<", tyToString a0, ">"]
      | toString (EQ(a0)) = concat["EQ<", tyToString a0, ">"]
      | toString (NEQ(a0)) = concat["NEQ<", tyToString a0, ">"]
      | toString (GT(a0)) = concat["GT<", tyToString a0, ">"]
      | toString (GTE(a0)) = concat["GTE<", tyToString a0, ">"]
      | toString Not = "Not"
      | toString Max = "Max"
      | toString Min = "Min"
      | toString (Lerp(a0)) = concat["Lerp<", tyToString a0, ">"]
      | toString (Dot(a0)) = concat["Dot<", intToString a0, ">"]
      | toString (MulVecMat(a0,a1)) = concat["MulVecMat<", intToString a0, ",", intToString a1, ">"]
      | toString (MulMatVec(a0,a1)) = concat["MulMatVec<", intToString a0, ",", intToString a1, ">"]
      | toString (MulMatMat(a0,a1,a2)) = concat["MulMatMat<", intToString a0, ",", intToString a1, ",", intToString a2, ">"]
      | toString Cross = "Cross"
      | toString (Select(a0,a1)) = concat["Select<", tyToString a0, ",", intToString a1, ">"]
      | toString (Norm(a0)) = concat["Norm<", tyToString a0, ">"]
      | toString (Normalize(a0)) = concat["Normalize<", intToString a0, ">"]
      | toString (Scale(a0)) = concat["Scale<", tyToString a0, ">"]
      | toString CL = "CL"
      | toString (PrincipleEvec(a0)) = concat["PrincipleEvec<", tyToString a0, ">"]
      | toString (Identity(a0)) = concat["Identity<", intToString a0, ">"]
      | toString (Zero(a0)) = concat["Zero<", tyToString a0, ">"]
      | toString (Trace(a0)) = concat["Trace<", intToString a0, ">"]
      | toString (Subscript(a0)) = concat["Subscript<", tyToString a0, ">"]
      | toString (Ceiling(a0)) = concat["Ceiling<", intToString a0, ">"]
      | toString (Floor(a0)) = concat["Floor<", intToString a0, ">"]
      | toString (Round(a0)) = concat["Round<", intToString a0, ">"]
      | toString (Trunc(a0)) = concat["Trunc<", intToString a0, ">"]
      | toString IntToReal = "IntToReal"
      | toString (RealToInt(a0)) = concat["RealToInt<", intToString a0, ">"]
      | toString (ImageAddress(a0)) = concat["ImageAddress<", ImageInfo.toString a0, ">"]
      | toString (LoadVoxels(a0,a1)) = concat["LoadVoxels<", ImageInfo.toString a0, ",", intToString a1, ">"]
      | toString (PosToImgSpace(a0)) = concat["PosToImgSpace<", ImageInfo.toString a0, ">"]
      | toString (TensorToWorldSpace(a0,a1)) = concat["TensorToWorldSpace<", ImageInfo.toString a0, ",", tyToString a1, ">"]
      | toString (LoadImage(a0)) = concat["LoadImage<", ImageInfo.toString a0, ">"]
      | toString (Inside(a0,a1)) = concat["Inside<", ImageInfo.toString a0, ",", intToString a1, ">"]
      | toString (Input(a0,a1)) = concat["Input<", tyToString a0, ",", stringToString a1, ">"]
      | toString (InputWithDefault(a0,a1)) = concat["InputWithDefault<", tyToString a0, ",", stringToString a1, ">"]

  end

structure LowIL = SSAFn(
  structure Ty = LowILTypes
  structure Op = LowOps)

structure LowILCensus = CensusFn(LowIL)