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authorAlex AUVOLAT <alex.auvolat@ens.fr>2013-10-31 15:35:11 +0100
committerAlex AUVOLAT <alex.auvolat@ens.fr>2013-10-31 15:35:11 +0100
commit0b269f32dd9b8d349f94793dad44e728473e9f0a (patch)
tree066a30fee1efe19d897f5e153d7ea9aa3d7448af /minijazz/src/netlist/netlist_printer.ml
downloadSystDigit-Projet-0b269f32dd9b8d349f94793dad44e728473e9f0a.tar.gz
SystDigit-Projet-0b269f32dd9b8d349f94793dad44e728473e9f0a.zip
First commit ; includes first TP and minijazz compiler
Diffstat (limited to 'minijazz/src/netlist/netlist_printer.ml')
-rw-r--r--minijazz/src/netlist/netlist_printer.ml82
1 files changed, 82 insertions, 0 deletions
diff --git a/minijazz/src/netlist/netlist_printer.ml b/minijazz/src/netlist/netlist_printer.ml
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+open Netlist_ast
+open Format
+
+let rec print_env print lp sep rp ff env =
+ let first = ref true in
+ fprintf ff "%s" lp;
+ Env.iter
+ (fun x ty ->
+ if !first then
+ (first := false; fprintf ff "%a" print (x, ty))
+ else
+ fprintf ff "%s%a" sep print (x, ty)) env;
+ fprintf ff "%s" rp
+
+let rec print_list print lp sep rp ff = function
+ | [] -> ()
+ | x :: l ->
+ fprintf ff "%s%a" lp print x;
+ List.iter (fprintf ff "%s %a" sep print) l;
+ fprintf ff "%s" rp
+
+let print_ty ff ty = match ty with
+ | TBit -> ()
+ | TBitArray n -> fprintf ff " : %d" n
+
+let print_bool ff b =
+ if b then
+ fprintf ff "1"
+ else
+ fprintf ff "0"
+
+let print_value ff v = match v with
+ | VBit b -> print_bool ff b
+ | VBitArray a -> Array.iter (print_bool ff) a
+
+let print_arg ff arg = match arg with
+ | Aconst v -> print_value ff v
+ | Avar id -> fprintf ff "%s" id
+
+let print_op ff op = match op with
+ | And -> fprintf ff "AND"
+ | Nand -> fprintf ff "NAND"
+ | Or -> fprintf ff "OR"
+ | Xor -> fprintf ff "XOR"
+
+let print_exp ff e = match e with
+ | Earg a -> print_arg ff a
+ | Ereg x -> fprintf ff "REG %s" x
+ | Enot x -> fprintf ff "NOT %a" print_arg x
+ | Ebinop(op, x, y) -> fprintf ff "%a %a %a" print_op op print_arg x print_arg y
+ | Emux (c, x, y) -> fprintf ff "MUX %a %a %a " print_arg c print_arg x print_arg y
+ | Erom (addr, word, ra) -> fprintf ff "ROM %d %d %a" addr word print_arg ra
+ | Eram (addr, word, ra, we, wa, data) ->
+ fprintf ff "RAM %d %d %a %a %a %a" addr word
+ print_arg ra print_arg we
+ print_arg wa print_arg data
+ | Eselect (idx, x) -> fprintf ff "SELECT %d %a" idx print_arg x
+ | Econcat (x, y) -> fprintf ff "CONCAT %a %a" print_arg x print_arg y
+ | Eslice (min, max, x) -> fprintf ff "SLICE %d %d %a" min max print_arg x
+
+let print_eq ff (x, e) =
+ fprintf ff "%s = %a@." x print_exp e
+
+let print_var ff (x, ty) =
+ fprintf ff "@[%s%a@]" x print_ty ty
+
+let print_vars ff env =
+ fprintf ff "@[<v 2>VAR@,%a@]@.IN@,"
+ (print_env print_var "" ", " "") env
+
+let print_idents ff ids =
+ let print_ident ff s = fprintf ff "%s" s in
+ print_list print_ident """,""" ff ids
+
+let print_program oc p =
+ let ff = formatter_of_out_channel oc in
+ fprintf ff "INPUT %a@." print_idents p.p_inputs;
+ fprintf ff "OUTPUT %a@." print_idents p.p_outputs;
+ print_vars ff p.p_vars;
+ List.iter (print_eq ff) p.p_eqs;
+ (* flush *)
+ fprintf ff "@."