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vxml.ml
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vxml.ml
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(*
BSD 2-Clause License
Copyright (c) 2018, jrrk
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*)
type unaryop =
| Unknown
| Unot
| Ulognot
| Unegate
| Uunsigned
| Usigned
| Uextend of (int*int)
| Uextends of (string*int*int)
type cmpop =
| Cunknown
| Ceq
| Cneq
| Cgt
| Cgts
| Cgte
| Cgtes
| Ceqwild
| Cneqwild
| Cltes
| Clte
| Clt
| Clts
type logop =
| Lunknown
| Land
| Lredand
| Lor
| Lredor
| Lxor
| Lxnor
| Lredxor
| Lredxnor
| Lshiftl
| Lshiftr
| Lshiftrs
type arithop =
| Aunknown
| Aadd
| Asub
| Amul
| Amuls
type dirop =
| Dunknown
| Dinput
| Doutput
| Dinout
| Dvif of string ref
| Dinam of string
| Dport of (string * int * dirop * string * string list)
type typenc =
| UNKDTYP
| PACKADTYP
| UNPACKADTYP
| CNSTDTYP
| BASDTYP
| STRDTYP
| UNIDTYP
| REFDTYP
| ENUMDTYP
| MEMBDTYP
| PARMTDTYP
| IFCRFDTYP of string
| TYPDF of string
type arrtyp =
| UNKARR
| BIT
| REAL
| STRING
| ARNG of (int*int)
| PACKED of (int*int)
| UNPACKED of (int*int)
| ADD of arrtyp list
| MAX of arrtyp list
| MEMBER of arrtyp list
type cexp =
| ERR of string
| BIN of char
| HEX of int
| SHEX of int
| STRING of string
| FLT of float
| BIGINT of Big_int.big_int
type stage =
| FIRSTG
| IOSTG
| VARSTG
| JMPSTG
| BDYSTG
type token =
| INVALID
| SP
| SEMI
| COLON
| COMMA
| AT
| DOT
| QUERY
| QUOTE
| DQUOTE
| PLUS
| MINUS
| STAR
| POW
| NL
| SRC of (string*int)
| IDENT of string
| NUM of cexp
| SIZED of (int * cexp)
| DIR of dirop
| BEGIN of string option
| END
| DEFAULT
| LPAREN
| RPAREN
| LBRACK
| RBRACK
| LCURLY
| RCURLY
| LCOMMENT
| RCOMMENT
| LSHIFT
| RSHIFT
| IFF
| ELSE
| LOGIC
| WIRE
| VSTRING
| ASSIGN
| ASSIGNMENT
| ASSIGNDLY
| CMPOP of cmpop
| CASE
| ENDCASE
| WHILE
| FOR
| ALWAYS
| POSEDGE
| NEGEDGE
| RETURN
| FUNCTION
| ENDFUNCTION
| TASK
| ENDTASK
| MODULE
| ENDMODULE
| INITIAL
| FINAL
| INTERFACE
| ENDINTERFACE
| PACKAGE
| ENDPACKAGE
| MODPORT
type typmap =
| TYPNONE
| SUBTYP of int
| TYPRNG of cexp*cexp
| TYPMEMBER of typetable_t
| TYPENUM of string * int * (int*cexp)
| TYPDEF
| RECTYP of typetable_t
and typetable_t = typenc*string*typmap*typmap list
and typ_t = typenc*string*typmap*rw list
and xmlattr = {
anchor: string;
errlst: Xml.xml list ref;
names: (string*typetable_t ref) list ref;
typetable: typetable_t array;
intf: (string*string) list ref;
instances: (string*(token*string)) list ref;
modulexml: (string*(string*rw list*(string*typetable_t ref) list)) list ref;
tmpvar: (string*(string*typetable_t)) list ref;
tmpasgn: (string*rw) list ref;
}
and rw =
| UNKNOWN
| XML of rw list
| EITM of string * string * string * int * rw list
| IO of string * string list * typetable_t * dirop * string * rw list
| VAR of string * string list * typetable_t * string
| IVAR of string * string * typetable_t * rw list * int
| CNST of (int * cexp)
| VRF of string * typetable_t * rw list
| TYP of int * typ_t
| FNC of string * string * typetable_t * rw list
| TASKDEF of string * string * rw list
| TASKRF of string * string * rw list
| INST of string * token * string list * (string * rw list)
| SFMT of string * rw list
| SYS of string * string * rw list
| TPLSRGS of string * string * int * rw list
| VPLSRGS of string * int * rw list
| PORT of string * string * dirop * rw list
| CA of string * rw list
| UNRY of unaryop * rw list
| SEL of string * rw list
| ASEL of rw list
| SNITM of string * rw list
| ASGN of bool * string * rw list
| ARITH of arithop * rw list
| LOGIC of logop * rw list
| CMP of cmpop * rw list
| FRF of string * string * rw list
| XRF of string * string * string * string * dirop
| PKG of string * string * rw list
| CAT of string * rw list
| CPS of string * rw list
| CND of string * rw list
| TIM of string
| REPL of string * int * rw list
| MODUL of string * string * rw list * (string * (string * typetable_t)) list
| BGN of string option * rw list
| RNG of rw list
| ALWYS of string * rw list
| SNTRE of rw list
| IF of string * rw list
| INIT of string * string * rw list
| IRNG of string * rw list
| IFC of string * string * rw list
| IMP of string * string * rw list
| IMRF of string * string * dirop * rw list
| JMPL of string * rw list
| JMPG of string * rw list
| CS of string * rw list
| CSITM of string * rw list
| WHL of rw list
| FORSTMT of (string * string * cmpop * rw * (int * cexp) * (int * cexp) * (int * cexp) * rw list)
| ARG of rw list
| DSPLY of string * string * rw list
| FILS of string * rw list
| FIL of string * string
| NTL of rw list
| CELLS of rw list * xmlattr
| CELL of string * string * string * string * rw list
| POSPOS of string*string
| POSNEG of string*string
| NEGNEG of string*string
| POSEDGE of string
| NEGEDGE of string
| COMB
| MODPORTFTR of string * string
| TYPETABLE of typetable_t array
type itms = {
io: (string*(string*typetable_t*dirop*string*(int*cexp) list)) list ref;
v: (string*(string*typetable_t*string*typetable_t)) list ref;
iv: (string*(string*typetable_t*rw list*int)) list ref;
ir: (string*string*typetable_t) list ref;
ca: (string*rw*rw) list ref;
alwys: (string*rw*rw list) list ref;
init: (string*token*rw list) list ref;
func: (string*(string*typetable_t*rw list*itms)) list ref;
task: (string*(string*rw list*itms)) list ref;
gen: (string*rw list) list ref;
imp: (string*(string*(string*dirop) list)) list ref;
inst: (string*(string*string*rw list)) list ref;
cnst: (string*(bool*(int*cexp))) list ref;
needed: (token*string) list ref;
remove_interfaces: bool;
names'': (string * typetable_t ref) list;
}
let modules = Hashtbl.create 255
let modules_opt = Hashtbl.create 255
let packages = Hashtbl.create 255
let interfaces = Hashtbl.create 255
let files = Hashtbl.create 255
let hierarchy = Hashtbl.create 255
let functable = Hashtbl.create 255
let tasktable = Hashtbl.create 255
let modtokens = Hashtbl.create 255
let exprothlst = ref []
let stmtothlst = ref []
let portothlst = ref []
let iothlst = ref []
let csothlst = ref []
let bgnothlst = ref []
let itmothlst = ref []
let catothlst = ref []
let cellothlst = ref []
let posneglst = ref []
let typothlst = ref []
let memothlst = ref []
let mapothlst = ref []
let subothlst = ref []
let tskothlst = ref []
let smpothlst = ref []
let optothlst = ref []
let xrflst = ref []
let ntlopt = ref None
let smplopt = ref None
let selopt = ref None
let optopt = ref None
let rngopt = ref None
let typopt = ref None
let decopt = ref None
let portopt = ref None
let cellopt = ref None
let instopt = ref None
let arropt = ref None
let asciiopt = ref None
let itmopt = ref None
let optitmopt = ref None
let forlst = ref []
let ternlst = ref []
let optitmlst = ref []
let widthlst = ref []
let matchcnt = ref 0
let empty_attr errlst = {anchor="a1";errlst=errlst;names=ref [];intf=ref [];instances=ref [];typetable=[||];modulexml=ref [];tmpvar=ref [];tmpasgn=ref []}
let constnet = function
| "1'h1" -> "supply1"
| "1'h0" -> "supply0"
| oth -> "wire"
let dirop = function
| "output" -> Doutput
| "input" -> Dinput
| "inout" -> Dinout
| "out" -> Doutput
| "in" -> Dinput
| oth -> failwith oth
let dumps s = "\""^s^"\""
let dumptyp = function
| UNKDTYP -> "UNKDTYP"
| PACKADTYP -> "PACKADTYP"
| UNPACKADTYP -> "UNPACKADTYP"
| CNSTDTYP -> "CNSTDTYP"
| BASDTYP -> "BASDTYP"
| STRDTYP -> "STRDTYP"
| UNIDTYP -> "UNIDTYP"
| REFDTYP -> "REFDTYP"
| ENUMDTYP -> "ENUMDTYP"
| MEMBDTYP -> "MEMBDTYP"
| PARMTDTYP -> "PARMTDTYP"
| IFCRFDTYP str -> "IFCRFDTYP "^dumps str
| TYPDF str -> "TYPDF "^dumps str
let unaryop = function
|"not" -> Unot
|"negate" -> Unegate
|"lognot" -> Ulognot
| _ -> Unknown
let extendop anchor w wm = function
|"extend" -> Uextend(w,wm)
|"extends" -> Uextends(anchor,w,wm)
| _ -> Unknown
let cmpop = function
|"eq" -> Ceq
|"neq" -> Cneq
|"gt" -> Cgt
|"gts" -> Cgts
|"gte" -> Cgte
|"gtes" -> Cgtes
|"eqwild" -> Ceqwild
|"neqwild" -> Cneqwild
|"ltes" -> Cltes
|"lte" -> Clte
|"lt" -> Clt
|"lts" -> Clts
| _ -> Cunknown
let logop = function
|"and" -> Land
|"redand" -> Lredand
|"or" -> Lor
|"redor" -> Lredor
|"xor" -> Lxor
|"xnor" -> Lxnor
|"redxor" -> Lredxor
|"redxnor" -> Lredxnor
|"shiftl" -> Lshiftl
|"shiftr" -> Lshiftr
|"shiftrs" -> Lshiftrs
| _ -> Lunknown
let arithop = function
|"add" -> Aadd
|"sub" -> Asub
|"mul" -> Amul
|"muls" -> Amuls
| _ -> Aunknown
let chkvif nam =
let m = "__Viftop" in
let lm = String.length m in
let l = String.length nam in
let vif = l > lm && String.sub nam (l-lm) lm = m in
(vif, if vif then String.sub nam 0 (l-lm) else nam)
let expandbraket lo hi fn = Array.to_list (Array.init (hi-lo+1) (fun ix -> fn ("__BRA__"^string_of_int (ix+lo)^"__KET__")))
let dbg i ch h = if false then print_endline (string_of_int i^":"^String.make 1 ch^":"^string_of_int h)
let hex_to_bigint s = let rslt = ref Big_int.zero_big_int in String.iter (function
| '0'..'9' as ch -> rslt := Big_int.add_int_big_int (int_of_char ch - int_of_char '0') (Big_int.mult_int_big_int 16 !rslt)
| 'a'..'f' as ch -> rslt := Big_int.add_int_big_int (int_of_char ch - int_of_char 'a' + 10) (Big_int.mult_int_big_int 16 !rslt)
| ch -> failwith (String.make 1 ch)) s; !rslt
let rec hex_of_bigint w n =
let (q,r) = Big_int.quomod_big_int n (Big_int.big_int_of_int 16) in
(if (w > 4 && Big_int.sign_big_int q > 0) then hex_of_bigint (w-4) q else "")^String.make 1 ("0123456789abcdef".[Big_int.int_of_big_int r])
let hex_to_ascii len str =
let bytes = String.length str in
if len mod 8 = 0 && len >= bytes*4 then
begin
let h = ref 0 and str' = Bytes.make (bytes/2) ' ' in
let mychar_of_int x = if x >= 32 && x <= 127 && (len > 8 || x >= int_of_char 'a') then char_of_int x else failwith "ascii" in
String.iteri (fun ix -> function
| '0'..'9' as ch -> dbg ix ch !h;
h := !h * 16 + (int_of_char ch - int_of_char '0');
if ix land 1 = 1 then begin Bytes.set str' (ix/2) (mychar_of_int !h); h := 0; dbg ix ch !h;end
| 'a'..'f' as ch -> dbg ix ch !h;
h := !h * 16 + (int_of_char ch - int_of_char 'a' + 10);
if ix land 1 = 1 then begin Bytes.set str' (ix/2) (mychar_of_int !h); h := 0; dbg ix ch !h; end
| _ -> h := -1) str;
str'
end
else invalid_arg str
let decode len str =
decopt := Some (len,str);
try STRING (Bytes.to_string (hex_to_ascii len str))
with err -> let num = hex_to_bigint str in try HEX(Big_int.int_of_big_int num) with err -> BIGINT num
let cexp exp = match exp.[0] with
| '"' -> let n = String.length exp - 2 in let s = String.sub exp 1 n in (n, STRING s)
| _ ->
try Scanf.sscanf exp "%d'h%x" (fun b n -> (b, HEX n)) with err ->
try Scanf.sscanf exp "%d'h%s" (fun b s -> (b, decode b s)) with err ->
try Scanf.sscanf exp "%d'sh%x" (fun b n -> (b, SHEX n)) with err ->
try Scanf.sscanf exp "%d'bx" (fun b -> (b, BIN 'x')) with err ->
try Scanf.sscanf exp "%d" (fun n -> (32, SHEX n)) with err ->
try Scanf.sscanf exp "%f" (fun f -> (64, FLT f)) with err -> (-1,ERR exp)
let rec typmap = function
| [] -> TYPNONE
| [("left", lft); ("right", rght)] -> TYPRNG(HEX(int_of_string lft), HEX(int_of_string rght))
| oth -> mapothlst := oth :: !mapothlst; failwith "mapothlst"
let fortailmatch ix' = function
| ASGN(dly, _, ARITH (Aadd, CNST inc :: (VRF _ as ix'') :: []) :: (VRF _ as ix''') :: []) :: tl -> (ix'=ix'') && (ix''=ix''')
| _ -> false
let forinc = function
| ASGN(dly,_, ARITH (Aadd, CNST inc :: (VRF _) :: []) :: (VRF _) :: []) :: tl -> (inc,List.rev tl)
| tl -> ((0,ERR ""),List.rev tl)
let fold1 fn = function
| [] -> failwith "should never occur, just to keep type system happy"
| (hd::tl) -> List.fold_left fn hd tl
let rec jump_opt origin = function
| JMPL (_, JMPL (orig, lst) :: []) :: [] -> jump_opt origin (JMPL (orig, lst) :: [])
| JMPL (orig, lst) :: [] -> JMPL (orig, lst)
| tl -> JMPL (origin, tl)
let xmlopt = ref None
let rec optitm' pass2 = function
| [] -> []
| XML _ as xml :: tl when pass2 -> xmlopt := Some xml; failwith "optitm'"
| XML xml :: tl -> optitm' pass2 (xml @ tl)
| IFC(o, nam', lst) :: tl -> IFC(o, nam', optitm' pass2 lst) :: optitm' pass2 tl
| PKG(o, nam, lst) :: tl -> PKG(o, nam, optitm' pass2 lst) :: optitm' pass2 tl
| MODUL(o, nam, lst, tmpvar) :: tl -> MODUL(o, nam, optitm' pass2 lst, tmpvar) :: optitm' pass2 tl
| INST _ as inst :: tl -> inst :: optitm' pass2 tl
| ALWYS(o, rw_lst) :: tl -> ALWYS(o,optitm' pass2 rw_lst) :: optitm' pass2 tl
| ASEL (exprlst) :: tl -> ASEL (optitm' pass2 exprlst) :: optitm' pass2 tl
| SNTRE lst :: tl -> SNTRE lst :: optitm' pass2 tl
| BGN(None, hd :: []) :: tl -> optitm' pass2 (hd :: tl)
| BGN(lbl, lst) :: tl -> BGN(lbl, optitm' pass2 (lst @ tl)) :: []
| CA(o,rw_lst) :: tl -> CA(o,optitm' pass2 rw_lst) :: optitm' pass2 tl
| CND (o, exprlst) :: tl -> CND (o, optitm' pass2 exprlst) :: optitm' pass2 tl
| CS(o,rw_lst) :: tl -> CS(o,optitm' pass2 rw_lst) :: optitm' pass2 tl
| CAT(o,rw_lst) :: tl -> CAT(o,optitm' pass2 rw_lst) :: optitm' pass2 tl
| CSITM(o,rw_lst) :: tl -> CSITM(o,optitm' pass2 rw_lst) :: optitm' pass2 tl
| IRNG (o, exprlst) :: tl -> IRNG (o, optitm' pass2 exprlst) :: optitm' pass2 tl
| JMPG(o,rw_lst) :: tl -> JMPG(o,optitm' pass2 rw_lst) :: optitm' pass2 tl
| WHL(rw_lst) :: tl -> WHL(optitm' pass2 rw_lst) :: optitm' pass2 tl
| FORSTMT(o,kind,cmpop,ix,strt,stop,inc,rw_lst) :: tl -> FORSTMT(o,kind,cmpop,ix,strt,stop,inc,optitm' pass2 rw_lst) :: optitm' pass2 tl
| TASKDEF(origin, nam, rw_lst) :: tl -> TASKDEF(origin, nam, optitm' pass2 rw_lst) :: optitm' pass2 tl
| TASKRF(origin, nam, rw_lst) :: tl -> TASKRF(origin, nam, optitm' pass2 rw_lst) :: optitm' pass2 tl
| ASGN _ as oth :: tl -> oth :: optitm' pass2 tl
| FNC (o, n, t, lst) :: tl -> FNC (o, n, t, optitm' pass2 lst) :: optitm' pass2 tl
| JMPL (o, lst) :: tl -> JMPL (o, optitm' pass2 lst) :: optitm' pass2 tl
| IF(origin, cnd :: then_stmt :: []) :: tl -> IF (origin, cnd :: BGN(None, optitm' pass2 [then_stmt]) :: []) :: optitm' pass2 tl
| IF(origin, cnd :: then_stmt :: else_stmt :: []) :: tl -> IF (origin, cnd :: BGN(None, optitm' pass2 [then_stmt]) :: BGN(None, optitm' pass2 [else_stmt]) :: []) :: optitm' pass2 tl
| (CNST _ | VAR _ | IVAR _ | VRF _ | LOGIC _ | SEL _ | CMP _ | DSPLY _ | SYS _ | UNRY _ | XRF _ | IO _ ) as oth :: tl -> oth :: optitm' pass2 tl
| (UNKNOWN|EITM (_, _, _, _, _)|TYP (_, _)|SFMT (_, _)|
TPLSRGS (_, _, _, _)|VPLSRGS (_, _, _)|PORT (_, _, _, _)|SNITM (_, _)|
ARITH (_, _)|FRF (_, _, _)|CPS (_, _)|REPL (_, _, _)|RNG _|INIT (_, _, _)|
IMP (_, _, _)|IMRF (_, _, _, _)|ARG _|FILS (_, _)|FIL (_, _)|
NTL _|CELLS (_, _)|CELL (_, _, _, _, _)|POSPOS (_, _)|POSNEG (_, _)|
NEGNEG (_, _)|POSEDGE _|NEGEDGE _|COMB|MODPORTFTR (_, _)|TYPETABLE _) as oth :: tl -> oth :: optitm' pass2 tl
| oth -> optitmopt := Some oth; failwith "optitmopt;;"
let while_opt origin lbl = function
| VAR (_, [ix''], _, ("int"|"integer"|"logic" as kind)) :: ASGN(dly, _, CNST strt :: (VRF (ix''', _, []) as ix) :: []) ::
JMPL (_,
(WHL
(CMP (cmpop, CNST stop :: (VRF _ as ix') :: []) ::
stmtlst)) :: []) :: [] when (ix=ix') && (ix''=ix''') && fortailmatch ix (List.rev stmtlst) ->
let (inc,stmts) = forinc (List.rev stmtlst) in FORSTMT (origin,kind,cmpop,ix,strt,stop,inc,stmts)
| VAR (_, [ix''], _, ("int"|"integer"|"logic" as kind)) :: ASGN(dly,_, CNST strt :: (VRF (ix''', _, []) as ix) :: []) ::
WHL
(CMP (cmpop, CNST stop :: (VRF _ as ix') :: []) ::
stmtlst) :: [] when (ix=ix') && (ix''=ix''') && fortailmatch ix (List.rev stmtlst) ->
let (inc,stmts) = forinc (List.rev stmtlst) in FORSTMT (origin,kind,cmpop,ix,strt,stop,inc,stmts)
| VAR _ :: ASGN(dly,_, a :: WHL (b :: stmtlst) :: []) :: [] as xlst' -> forlst := (a,b,stmtlst) :: !forlst; BGN (lbl, xlst')
| ASGN(dly,_, CNST strt :: (VRF _ as ix) :: []) ::
WHL
(CMP (cmpop, CNST stop :: (VRF _ as ix') :: []) ::
stmtlst) :: [] when (ix=ix') && fortailmatch ix (List.rev stmtlst) ->
let (inc,stmts) = forinc (List.rev stmtlst) in FORSTMT (origin,"",cmpop,ix,strt,stop,inc,stmts)
| ASGN(dly,_, a :: WHL (b :: stmtlst) :: []) :: [] as xlst' -> forlst := (a,b,stmtlst) :: !forlst; BGN (lbl, xlst')
| oth -> BGN(lbl, oth)
let dlyenc = function
| "assign" -> false
| "assigndly" -> true
| _ -> failwith "dlyenc"
let typenc = function
| "packarraydtype" -> PACKADTYP
| "unpackarraydtype" -> UNPACKADTYP
| "constdtype" -> CNSTDTYP
| "basicdtype" -> BASDTYP
| "structdtype" -> STRDTYP
| "uniondtype" -> UNIDTYP
| "refdtype" -> REFDTYP
| "enumdtype" -> ENUMDTYP
| "memberdtype" -> MEMBDTYP
| "paramtypedtype" -> PARMTDTYP
| _ -> failwith "typenc"
let rec cell_hier = function
| CELL (_, nam, subnam, hier, rw_lst) ->
let hier_lst = List.flatten (List.map cell_hier rw_lst) in
if false then print_endline ("Cell: "^subnam);
Hashtbl.replace hierarchy subnam hier_lst;
(nam,subnam) :: hier_lst
| oth -> cellothlst := oth :: !cellothlst; failwith "cellothlst"
let dumpsized w = function
| BIN b -> string_of_int w^"'b"^String.make w b
| HEX n -> Printf.sprintf "%d'h%x" w n
| SHEX n -> Printf.sprintf "%d'sh%x" w n
| BIGINT n -> Printf.sprintf "%d'h%s" w (hex_of_bigint w n)
| STRING s -> "\""^String.escaped s^"\""
| FLT f -> string_of_float f
| ERR err -> ("NumberError:"^err)
let dumpu = function
| Unknown -> "Uunknown"
| Unot -> "Unot"
| Ulognot -> "Ulognot"
| Unegate -> "Unegate"
| Uunsigned -> "Uunsigned"
| Usigned -> "Usigned"
| Uextend(w,wm) -> "Uextend("^string_of_int w^", "^string_of_int wm^")"
| Uextends(anchor,w,wm) -> "Uextends("^anchor^", "^string_of_int w^", "^string_of_int wm^")"
let dumpcmp = function
| Cunknown -> "Cunknown"
| Ceq -> "Ceq"
| Cneq -> "Cneq"
| Cgt -> "Cgt"
| Cgts -> "Cgts"
| Cgte -> "Cgte"
| Cgtes -> "Cgtes"
| Ceqwild -> "Ceqwild"
| Cneqwild -> "Cneqwild"
| Cltes -> "Cltes"
| Clte -> "Clte"
| Clt -> "Clt"
| Clts -> "Clts"
let dumplog = function
| Lunknown -> "Lunknown"
| Land -> "Land"
| Lredand -> "Lredand"
| Lor -> "Lor"
| Lredor -> "Lredor"
| Lxor -> "Lxor"
| Lxnor -> "Lxnor"
| Lredxor -> "Lredxor"
| Lredxnor -> "Lredxnor"
| Lshiftl -> "Lshiftl"
| Lshiftr -> "Lshiftr"
| Lshiftrs -> "Lshiftrs"
let dumparith = function
| Aadd -> "Aadd"
| Asub -> "Asub"
| Amul -> "Amul"
| Amuls -> "Amuls"
| Aunknown -> "Aunknown"
let dumpstrlst lst = "["^String.concat ";\n\t" (List.map dumps lst)^"]"
let rec dumpdir = function
| Dinput -> "Dinput"
| Doutput -> "Doutput"
| Dinout -> "Dinout"
| Dvif s -> "Dvif "^dumps !s
| Dinam str -> "Dinam "^dumps str
| Dport(str1, int1, dirop, str2, str_lst) ->
"Dport("^dumps str1 ^", "^ string_of_int int1 ^", "^ dumpdir dirop ^", "^ dumps str2 ^", "^ dumpstrlst str_lst^")"
| Dunknown -> "Dunknown"
let rec ascii_exp = function
| VRF (vrf, _, []) -> "_"^vrf^"_"
| CNST (_, BIN n) -> (String.make 1 n)
| CNST (_, HEX n) -> (string_of_int n)
| CNST (_, SHEX n) -> (string_of_int n)
| CNST (w, BIGINT n) -> hex_of_bigint w n
| CNST (_, STRING s) -> String.map (function '0'..'9' | 'a'..'f' | 'A'..'F' as ch -> ch | oth -> '_') s
| CNST (_, FLT f) -> (string_of_float f)
| CNST (_, ERR err) -> "ERR"
| UNRY ((Uextend _|Uextends _), exprlst) -> "Uext_"^ascii_lst exprlst
| UNRY (op, exprlst) -> "Unry_"^dumpu op^ascii_lst exprlst
| CMP (op, exprlst) -> dumpcmp op^ascii_lst exprlst
| LOGIC (op, exprlst) -> dumplog op^ascii_lst exprlst
| ARITH (op, exprlst) -> dumparith op^ascii_lst exprlst
| ASEL (exprlst) -> "Asel_"^ascii_lst exprlst
| CND (origin, exprlst) -> "Cnd_"^ascii_lst exprlst
| CPS (origin, exprlst) -> "Cps_"^ascii_lst exprlst
| CAT (origin, exprlst) -> "Cat_"^ascii_lst exprlst
| REPL (origin, tid, exprlst) -> "Repl_"^string_of_int tid^ascii_lst exprlst
| IRNG (origin, exprlst) -> "Irng_"^ascii_lst exprlst
| FRF (origin, fref, arglst) -> "Frf_"^fref^ascii_lst arglst
| SFMT (fmt, exprlst) -> "Sfmt_"^ascii_lst exprlst
| XRF(str1, str2, str3, str4, dirop) -> "Xrf_"^str1^"_"^str2^"_"^str3^"_"^str4^"_"^dumpdir dirop
| SEL (origin, exprlst) -> "Sel"^ascii_lst exprlst
| ARG exprlst -> "Arg_"^ascii_lst exprlst
| oth -> asciiopt := Some oth; failwith "asciiopt"
and ascii_lst exprlst = "_"^String.concat "_" (List.map ascii_exp exprlst)^"_"
let ascii_exp arg wid =
let s = ascii_exp arg ^ string_of_int wid in
let out = ref 2 and under = ref 0 in
let s' = Bytes.make (String.length s + 2) '_' in
String.iter (function '_' -> incr under | oth -> if !under > 0 then incr out; Bytes.set s' !out oth; incr out; under := 0) s;
Bytes.sub s' 0 !out
let rec simplify_exp attr = function
| VRF (_, _, []) as vrf -> (vrf)
| CNST _ as cst -> (cst)
| UNRY (op, expr1 :: []) -> (UNRY (op, simplify_exp attr expr1 :: []))
| CMP (op, expr1 :: expr2 :: []) -> (CMP (op, simplify_exp attr expr1 :: simplify_exp attr expr2 :: []))
| LOGIC (op, exprlst) -> (LOGIC (op, List.map (simplify_exp attr) exprlst))
| ARITH (op, exprlst) -> (ARITH (op, List.map (simplify_exp attr) exprlst))
| ASEL (VRF _ as vrf :: expr1 :: []) -> (ASEL (vrf :: simplify_exp attr expr1 :: []))
| ASEL (ASEL _ as multi :: expr :: []) -> (ASEL (simplify_exp attr multi :: simplify_exp attr expr :: []))
| CND (origin, exprlst) -> (CND (origin, List.map (simplify_exp attr) exprlst))
| CPS (origin, exprlst) -> (CPS (origin, List.map (simplify_exp attr) exprlst))
| CAT (origin, exprlst) -> (CAT (origin, List.map (simplify_exp attr) exprlst) )
| REPL (origin, tid, arg :: (CNST _ as cst) :: []) -> (REPL (origin, tid, simplify_exp attr arg :: cst :: []))
| IRNG (origin, exprlst) -> (IRNG (origin, List.map (simplify_exp attr) exprlst))
| FRF (origin, fref, arglst) -> (FRF (origin, fref, List.map (simplify_exp attr) arglst))
| SFMT (fmt, exprlst) -> (SFMT (fmt, List.map (simplify_exp attr) exprlst))
| XRF _ as xrf -> (xrf)
| SEL (orig, (VRF _ | XRF _ |ASEL _ as expr1) :: expr2 :: (CNST _ as expr3) :: []) ->
SEL (orig, List.map (simplify_exp attr) (expr1 :: expr2 :: expr3 :: []))
| SEL (orig, (oth :: (CNST (_, HEX lo') as lo) :: (CNST (_, HEX wid') as wid) :: [])) ->
let idx' = lo'+wid' in
let smpl = simplify_exp attr oth in
let t = ascii_exp oth idx' in
let typ' = (BASDTYP, "logic", TYPRNG(HEX(idx'-1),HEX 0), []) in
let tmp = VRF (t, typ', []) in
if not (List.mem_assoc t !(attr.tmpvar)) then
attr.tmpvar := (t, (attr.anchor, typ')) :: !(attr.tmpvar);
attr.tmpasgn := (t, ASGN(false, orig, smpl :: tmp :: [])) :: !(attr.tmpasgn);
SEL (orig, tmp :: lo :: wid :: [])
| SEL (orig,
[LOGIC (Lshiftl,
[VRF ("j", (BASDTYP, "int", TYPRNG (HEX 31, HEX 0), []), []); CNST (32, SHEX 32)]);
CNST (32, SHEX 32); CNST (32, SHEX 32)]) -> SEL(orig, [])
| SEL (orig,
[UNRY (Uextend (32, 6),
[VRF ("i", (BASDTYP, "logic", TYPRNG (HEX 5, HEX 0), []), [])]);
CNST (32, SHEX 32); CNST (32, SHEX 32)]) -> SEL(orig, [])
| SEL (orig,
[LOGIC (Lshiftl,
[ARITH (Asub,
[UNRY (Uextend (32, 6),
[VRF ("r", (BASDTYP, "logic", TYPRNG (HEX 5, HEX 0), []), [])]);
CNST (32, SHEX 32)]);
CNST (32, SHEX 32)]);
CNST (32, SHEX 32); CNST (32, SHEX 32)]) -> SEL(orig, [])
| SEL (origin, expr1 :: lo :: wid :: []) as sel -> smplopt := Some sel; failwith "simplify_exp: smplopt"
| oth -> smpothlst := oth :: !smpothlst; oth
let simplify_exp' arg =
let attr = empty_attr(ref []) in
let rslt = simplify_exp attr arg in
(!(attr.tmpvar),rslt)
let simplify_asgn dly' attr dst = function
| CND (origin, cnd :: lft :: rght :: []) ->
IF(origin, cnd :: ASGN(dly', origin, lft :: dst :: []) :: ASGN(dly', origin, rght :: dst :: []) :: []) :: []
| src ->
attr.tmpasgn := [];
let src' = simplify_exp attr src in
let dst' = simplify_exp attr dst in
let prep = List.map (fun (_,x) -> x) !(attr.tmpasgn) in
let rslt = ASGN(dly', attr.anchor, src' :: dst' :: []) in
prep@rslt :: []
let dumpi n = string_of_int n
let dumpcnst (w,n) = dumpsized w n
let dumpr = function
| HEX n -> string_of_int n
| SHEX n -> string_of_int n
| ERR _ -> "ERR"
| BIN b -> String.make 1 b
| STRING s -> s
| FLT f -> string_of_float f
| BIGINT i -> hex_of_bigint 64 i
let rec dumpmap = function
| TYPNONE -> "TYPNONE"
| SUBTYP int1 -> "SUBTYP "^string_of_int int1
| TYPRNG(int1,int2) -> "TYPRNG("^dumpr int1^", "^dumpr int2^")"
| TYPMEMBER (tab) -> "TYPMEMBER"^dumptab tab
| TYPENUM(str1, int1, (exp2,exp3)) -> "TYPENUM("^dumps str1^", "^string_of_int int1^", ("^string_of_int exp2^", "^dumpr exp3^"))"
| TYPDEF -> "TYPDEF"
| RECTYP tab -> "RECTYP"^dumptab tab
and dumptab (typenc, str1, map, typmaplst) = "("^dumptyp typenc^", "^dumps str1^", "^dumpmap map^", "^dumpmlst typmaplst^")"
and dumpmlst lst = "["^String.concat ";\n\t" (List.map dumpmap lst)^"]"
let dumptablst lst = "["^String.concat ";\n\t" (List.map dumptab lst)^"]"
let dumpb b = string_of_bool b
let oldsrc = ref ("",-1)
let unaryopv = function
| Unknown -> "???"
| Unot -> " ~ "
| Ulognot -> " ! "
| Unegate -> " - "
| Uunsigned -> "$unsigned"
| Usigned -> "$signed"
| Uextend(w,wm) -> "__extend_"^string_of_int wm^"_"^string_of_int w
| Uextends(anchor,w,wm) -> "__extends_"^string_of_int wm^"_"^string_of_int w
let cmpopv = function
| Cunknown -> "???"
| Ceq -> " == "
| Cneq -> " != "
| Cgt -> " > "
| Cgts -> " > "
| Cgte -> " >= "
| Cgtes -> " >= "
| Ceqwild -> " == "
| Cneqwild -> " != "
| Cltes -> " <= "
| Clte -> " <= "
| Clt -> " < "
| Clts -> " < "
let logopv = function
| Lunknown -> "???"
| Land -> " & "
| Lredand -> " & "
| Lor -> " | "
| Lredor -> " | "
| Lxor -> " ^ "
| Lxnor -> " ~^ "
| Lredxor -> " ^ "
| Lredxnor -> " ~^ "
| Lshiftl -> " << "
| Lshiftr -> " >> "
| Lshiftrs -> " >>> "
let arithopv = function
| Aadd -> "+"
| Asub -> "-"
| Amul -> "*"
| Amuls -> "*"
| Aunknown -> "???"
let rec cadd = function
| [] -> HEX 0
| ERR err :: tl -> ERR err
| HEX n :: [] -> HEX n
| SHEX n :: [] -> SHEX n
| FLT f :: [] -> FLT f
| FLT f :: _ -> ERR "addflt"
| STRING _ :: tl -> ERR "addstr"
| BIGINT n :: [] -> BIGINT n
| BIGINT n :: BIGINT m :: tl -> cadd (BIGINT (Big_int.add_big_int n m) :: tl)
| (HEX n | SHEX n) :: BIGINT m :: tl -> cadd (BIGINT (Big_int.add_big_int (Big_int.big_int_of_int n) m) :: tl)
| BIGINT n :: (HEX m | SHEX m) :: tl -> cadd (BIGINT (Big_int.add_big_int n (Big_int.big_int_of_int m)) :: tl)
| BIN 'x' :: tl -> cadd (BIN 'x' :: tl)
| BIN _ :: tl -> cadd (BIN 'x' :: tl)
| HEX n :: HEX m :: tl -> cadd (HEX (n+m) :: tl)
| SHEX n :: HEX m :: tl -> cadd (HEX (n+m) :: tl)
| HEX n :: SHEX m :: tl -> cadd (HEX (n+m) :: tl)
| SHEX n :: SHEX m :: tl -> cadd (SHEX (n+m) :: tl)
| (HEX _ | SHEX _ | BIGINT _) ::(ERR _|BIN _|STRING _|FLT _):: tl -> ERR "cadd"
let diropv = function
| Dinput -> "input"
| Doutput -> "output"
| Dinout -> "inout"
| Dvif _ -> "vif"
| Dinam str -> str
| Dport _ -> "ifport"
| Dunknown -> "inout"
let nltoken indent = ("\n"^if !indent > 0 then String.make (!indent*4) ' ' else "")
let tokencnv indent = function
| SP -> " "
| SEMI -> ";"
| COLON -> ":"
| COMMA -> ","
| LPAREN -> "("
| RPAREN -> ")"
| LBRACK -> "["
| RBRACK -> "]"
| LCURLY -> "{"
| RCURLY -> "}"
| LCOMMENT -> " /* "
| RCOMMENT -> " */ "
| LSHIFT -> "<<"
| RSHIFT -> ">>"
| AT -> "@"
| DOT -> "."
| PLUS -> "+"
| MINUS -> "-"
| STAR -> "*"
| POW -> "**"
| QUERY -> "?"
| QUOTE -> "'"
| DQUOTE -> "\""
| NL -> nltoken indent
| SRC (str1,int1) ->
if (str1,int1) <> !oldsrc then
begin
oldsrc := (str1,int1);
"\n/* "^str1^":"^string_of_int int1^" */"^nltoken indent
end
else ""
| DEFAULT -> "default"
| IDENT str -> str
| NUM (BIN n) -> (String.make 1 n)
| NUM (HEX n) -> (string_of_int n)
| NUM (SHEX n) -> (string_of_int n)
| NUM (BIGINT n) -> (Big_int.string_of_big_int n)
| NUM (STRING s) -> ("\""^String.escaped s^"\"")
| NUM (FLT f) -> (string_of_float f)
| NUM (ERR err) -> ("NumberError:"^err)
| SIZED (w,n) -> (dumpsized w n)
| DIR str -> (diropv str)
| BEGIN None -> incr indent; " begin"
| BEGIN (Some lbl) -> incr indent; (" begin:"^lbl)
| END -> decr indent; "end"
| IFF -> "if"
| ELSE -> "else"
| ASSIGN -> "assign"
| ASSIGNMENT -> "="
| ASSIGNDLY -> "<="
| CASE -> incr indent; "case"
| ENDCASE -> decr indent; "endcase"
| CMPOP op -> (cmpopv op)
| WHILE -> "while"
| FOR -> "for"
| ALWAYS -> "always"
| POSEDGE -> "posedge"
| NEGEDGE -> "negedge"
| RETURN -> "return"
| LOGIC -> "logic"
| WIRE -> "wire"
| VSTRING -> "string"
| FUNCTION -> incr indent; "function"
| ENDFUNCTION -> decr indent; "endfunction"
| TASK -> incr indent; "task"
| ENDTASK -> decr indent; "endtask"
| MODULE -> incr indent; "module"
| ENDMODULE -> decr indent; "endmodule"
| INITIAL -> "initial"
| FINAL -> "final"
| INTERFACE -> incr indent; "interface"
| ENDINTERFACE -> decr indent; "endinterface"
| PACKAGE -> incr indent; "package"
| ENDPACKAGE -> decr indent; "endpackage"
| MODPORT -> "modport"
| INVALID -> failwith "invalid token"
let tokendump fd = function
| SP -> output_string fd "SP\n"
| SEMI -> output_string fd "SEMI\n"
| COLON -> output_string fd "COLON\n"
| COMMA -> output_string fd "COMMA\n"
| LPAREN -> output_string fd "LPAREN\n"
| RPAREN -> output_string fd "RPAREN\n"
| LBRACK -> output_string fd "LBRACK\n"
| RBRACK -> output_string fd "RBRACK\n"
| LCURLY -> output_string fd "LCURLY\n"
| RCURLY -> output_string fd "RCURLY\n"
| LCOMMENT -> output_string fd "LCOMMENT\n"
| RCOMMENT -> output_string fd "RCOMMENT\n"
| LSHIFT -> output_string fd "LSHIFT\n"
| RSHIFT -> output_string fd "RSHIFT\n"
| AT -> output_string fd "AT\n"
| DOT -> output_string fd "DOT\n"
| PLUS -> output_string fd "PLUS\n"
| MINUS -> output_string fd "MINUS\n"
| STAR -> output_string fd "STAR\n"
| QUERY -> output_string fd "QUERY\n"
| QUOTE -> output_string fd "QUOTE\n"
| DQUOTE -> output_string fd "DQUOTE\n"
| NL -> output_string fd "NL\n"
| SRC _ -> output_string fd "SRC\n"
| DEFAULT -> output_string fd "DEFAULT\n"
| IDENT str -> output_string fd ("IDENT "^str^"\n")
| NUM n -> output_string fd ("NUM\n")
| SIZED (w,n) -> output_string fd "SIZED\n"
| DIR str -> output_string fd "DIR\n"
| BEGIN _ -> output_string fd "BEGIN\n"
| END -> output_string fd "END\n"
| IFF -> output_string fd "IFF\n"
| ELSE -> output_string fd "ELSE\n"
| ASSIGN -> output_string fd "ASSIGN\n"
| ASSIGNMENT -> output_string fd "ASSIGNMENT\n"
| ASSIGNDLY -> output_string fd "ASSIGNDLY\n"
| CASE -> output_string fd "CASE\n"
| CMPOP _ -> output_string fd "CMPOP\n"
| ENDCASE -> output_string fd "ENDCASE\n"
| WHILE -> output_string fd "WHILE\n"
| FOR -> output_string fd "FOR\n"
| ALWAYS -> output_string fd "ALWAYS\n"
| POSEDGE -> output_string fd "POSEDGE\n"
| NEGEDGE -> output_string fd "NEGEDGE\n"
| RETURN -> output_string fd "RETURN\n"
| LOGIC -> output_string fd "LOGIC\n"
| WIRE -> output_string fd "WIRE\n"
| VSTRING -> output_string fd "VSTRING\n"
| FUNCTION -> output_string fd "FUNCTION\n"
| ENDFUNCTION -> output_string fd "ENDFUNCTION\n"
| TASK -> output_string fd "TASK\n"
| ENDTASK -> output_string fd "ENDTASK\n"
| MODULE -> output_string fd "MODULE\n"
| ENDMODULE -> output_string fd "ENDMODULE\n"
| INITIAL -> output_string fd "INITIAL\n"
| FINAL -> output_string fd "FINAL\n"
| INVALID -> output_string fd "INVALID\n"
| POW -> output_string fd "POW\n"
| INTERFACE -> output_string fd "INTERFACE\n"
| ENDINTERFACE -> output_string fd "ENDINTERFACE\n"
| PACKAGE -> output_string fd "PACKAGE\n"
| ENDPACKAGE -> output_string fd "ENDPACKAGE\n"