diff options
Diffstat (limited to 'minijazz/src/global')
-rw-r--r-- | minijazz/src/global/_tags | 0 | ||||
-rw-r--r-- | minijazz/src/global/ast.ml | 107 | ||||
-rw-r--r-- | minijazz/src/global/errors.ml | 22 | ||||
-rw-r--r-- | minijazz/src/global/ident.ml | 39 | ||||
-rw-r--r-- | minijazz/src/global/location.ml | 130 | ||||
-rw-r--r-- | minijazz/src/global/mapfold.ml | 164 | ||||
-rw-r--r-- | minijazz/src/global/misc.ml | 115 | ||||
-rw-r--r-- | minijazz/src/global/printer.ml | 156 | ||||
-rw-r--r-- | minijazz/src/global/static.ml | 31 | ||||
-rw-r--r-- | minijazz/src/global/static_utils.ml | 76 |
10 files changed, 840 insertions, 0 deletions
diff --git a/minijazz/src/global/_tags b/minijazz/src/global/_tags new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/minijazz/src/global/_tags diff --git a/minijazz/src/global/ast.ml b/minijazz/src/global/ast.ml new file mode 100644 index 0000000..cc29486 --- /dev/null +++ b/minijazz/src/global/ast.ml @@ -0,0 +1,107 @@ +open Location +open Static + +type ident = Ident.t +type name = string + +module IdentEnv = Map.Make (struct type t = ident let compare = compare end) +module IdentSet = Set.Make (struct type t = ident let compare = compare end) + +module NameEnv = Map.Make (struct type t = name let compare = compare end) +module NameSet = Set.Make (struct type t = name let compare = compare end) + +type ty = + | TUnit | TBit | TBitArray of static_exp | TProd of ty list + | TVar of link ref +and link = + | TIndex of int + | TLink of ty +let invalid_type = TUnit + +type mem_kind = MRom | MRam + +type value = + | VBit of bool + | VBitArray of bool array + +type edesc = + | Econst of value + | Evar of ident + | Ereg of exp + | Ecall of name * static_exp list * exp list + (* function * params * args *) + | Emem of mem_kind * static_exp * static_exp * string option * exp list + (* ro * address size * word size * input file * args *) + +and exp = { + e_desc : edesc; + e_ty : ty; + e_loc: location; +} + +type pat = + | Evarpat of ident + | Etuplepat of ident list + +type equation = pat * exp + +type var_dec = { + v_ident : ident; + v_ty : ty; +} + +type param = { + p_name : name; +} + +type block = + | BEqs of equation list * var_dec list + | BIf of static_exp * block * block + +type inlined_status = Inlined | NotInlined + +type node_dec = { + n_name : name; + n_loc: location; + n_inlined : inlined_status; + n_inputs : var_dec list; + n_outputs : var_dec list; + n_params : param list; + n_constraints : static_exp list; + n_body : block; + n_probes : ident list; +} + +type const_dec = { + c_name : name; + c_loc : location; + c_value : static_exp; +} + +type program = { + p_consts : const_dec list; + p_nodes : node_dec list; +} + + +let mk_exp ?(loc = no_location) ?(ty = invalid_type) desc = + { e_desc = desc; e_loc = loc; e_ty = ty } + +let mk_const_dec ?(loc = no_location) n se = + { c_name = n; c_loc = loc; c_value = se } + +let mk_equation pat e = (pat, e) + +let mk_var_dec n ty = + { v_ident = n; v_ty = ty } + +let mk_param n = + { p_name = n } + +let mk_node n loc inlined inputs outputs params b probes = + { n_name = n; n_inputs = inputs; n_outputs = outputs; + n_body = b; n_params = params; n_constraints = []; + n_loc = loc; n_inlined = inlined; n_probes = probes } + +let mk_program cds nds = + { p_consts = cds; p_nodes = nds } diff --git a/minijazz/src/global/errors.ml b/minijazz/src/global/errors.ml new file mode 100644 index 0000000..9f64d36 --- /dev/null +++ b/minijazz/src/global/errors.ml @@ -0,0 +1,22 @@ +open Location + +exception Error + +type lexical_error = + | Illegal_character + | Unterminated_comment + | Bad_char_constant + | Unterminated_string + +let lexical_error err loc = + Format.eprintf (match err with + | Illegal_character -> Pervasives.format_of_string "%aIllegal character.@." + | Unterminated_comment -> "%aUnterminated comment.@." + | Bad_char_constant -> "%aBad char constant.@." + | Unterminated_string -> "%aUnterminated string.@." + ) print_location loc; + raise Error + +let syntax_error loc = + Format.eprintf "%aSyntax error.@." print_location loc; + raise Error diff --git a/minijazz/src/global/ident.ml b/minijazz/src/global/ident.ml new file mode 100644 index 0000000..9e36549 --- /dev/null +++ b/minijazz/src/global/ident.ml @@ -0,0 +1,39 @@ + +type t = { + i_id : int; + i_name : string; + i_from_source : bool +} + +let string_of_ident id = + if id.i_from_source then + id.i_name + else + id.i_name^"_"^(string_of_int id.i_id) + +let print_ident ff id = + Format.fprintf ff "%s" (string_of_ident id) + +module StringEnv = Map.Make (struct type t = string let compare = compare end) + +let ident_counter = ref 0 +let fresh_ident from_source s = + incr ident_counter; + { i_id = !ident_counter; i_name = s; i_from_source = from_source } + +let copy id = + fresh_ident false (string_of_ident id) + +let symbol_table = ref StringEnv.empty +let reset_symbol_table () = + symbol_table := StringEnv.empty +let ident_of_string s = + if StringEnv.mem s !symbol_table then + StringEnv.find s !symbol_table + else ( + let id = fresh_ident true s in + symbol_table := StringEnv.add s id !symbol_table; + id + ) + +let fresh_ident = fresh_ident false diff --git a/minijazz/src/global/location.ml b/minijazz/src/global/location.ml new file mode 100644 index 0000000..1837584 --- /dev/null +++ b/minijazz/src/global/location.ml @@ -0,0 +1,130 @@ +(* Printing a location in the source program *) +(* inspired from the source of the Caml Light 0.73 compiler *) + +open Lexing +open Parsing +open Format + +(* two important global variables: [input_name] and [input_chan] *) +type location = + Loc of position (* Position of the first character *) + * position (* Position of the next character following the last one *) + + +let input_name = ref "" (* Input file name. *) + +let input_chan = ref stdin (* The channel opened on the input. *) + +let initialize iname ic = + input_name := iname; + input_chan := ic + + +let no_location = Loc (dummy_pos, dummy_pos) + +let error_prompt = ">" + + +(** Prints [n] times char [c] on [oc]. *) +let prints_n_chars ff n c = for i = 1 to n do pp_print_char ff c done + +(** Prints out to [oc] a line designed to be printed under [line] from file [ic] + underlining from char [first] to char [last] with char [ch]. + [line] is the index of the first char of line. *) +let underline_line ic ff ch line first last = + let c = ref ' ' + and f = ref first + and l = ref (last-first) in + ( try + seek_in ic line; + pp_print_string ff error_prompt; + while c := input_char ic; !c != '\n' do + if !f > 0 then begin + f := !f - 1; + pp_print_char ff (if !c == '\t' then !c else ' ') + end + else if !l > 0 then begin + l := !l - 1; + pp_print_char ff (if !c == '\t' then !c else ch) + end + else () + done + with End_of_file -> + if !f = 0 && !l > 0 then prints_n_chars ff 5 ch ) + + +let copy_lines nl ic ff prompt = + for i = 1 to nl do + pp_print_string ff prompt; + (try pp_print_string ff (input_line ic) + with End_of_file -> pp_print_string ff "<EOF>"); + fprintf ff "@\n" + done + +let copy_chunk p1 p2 ic ff = + try for i = p1 to p2 - 1 do pp_print_char ff (input_char ic) done + with End_of_file -> pp_print_string ff "<EOF>" + + + +let skip_lines n ic = + try for i = 1 to n do + let _ = input_line ic in () + done + with End_of_file -> () + + + +let print_location ff (Loc(p1,p2)) = + let n1 = p1.pos_cnum - p1.pos_bol in (* character number *) + let n2 = p2.pos_cnum - p2.pos_bol in + let np1 = p1.pos_cnum in (* character position *) + let np2 = p2.pos_cnum in + let l1 = p1.pos_lnum in (* line number *) + let l2 = p2.pos_lnum in + let lp1 = p1.pos_bol in (* line position *) + let lp2 = p2.pos_bol in + let f1 = p1.pos_fname in (* file name *) + let f2 = p2.pos_fname in + + if f1 != f2 then (* Strange case *) + fprintf ff + "File \"%s\" line %d, character %d, to file \"%s\" line %d, character %d@." + f1 l1 n1 f2 l2 n2 + + else begin (* Same file *) + if l2 > l1 then + fprintf ff + "File \"%s\", line %d-%d, characters %d-%d:@\n" f1 l1 l2 n1 n2 + else + fprintf ff "File \"%s\", line %d, characters %d-%d:@\n" f1 l1 n1 n2; + (* Output source code *) + try + let ic = open_in f1 in + + if l1 == l2 then ( + (* Only one line : copy full line and underline *) + seek_in ic lp1; + copy_lines 1 ic ff ">"; + underline_line ic ff '^' lp1 n1 n2 ) + else ( + underline_line ic ff '.' lp1 0 n1; (* dots until n1 *) + seek_in ic np1; + (* copy the end of the line l1 after the dots *) + copy_lines 1 ic ff ""; + if l2 - l1 <= 8 then + (* copy the 6 or less middle lines *) + copy_lines (l2-l1-1) ic ff ">" + else ( + (* sum up the middle lines to 6 *) + copy_lines 3 ic ff ">"; + fprintf ff "..........@\n"; + skip_lines (l2-l1-7) ic; (* skip middle lines *) + copy_lines 3 ic ff ">" + ); + fprintf ff ">"; + copy_chunk lp2 np2 ic ff; (* copy interesting begining of l2 *) + ) + with Sys_error _ -> (); + end; + fprintf ff "@." diff --git a/minijazz/src/global/mapfold.ml b/minijazz/src/global/mapfold.ml new file mode 100644 index 0000000..50ffbaf --- /dev/null +++ b/minijazz/src/global/mapfold.ml @@ -0,0 +1,164 @@ +open Ast +open Static +open Misc + +exception Fallback + +type 'a it_funs = { + static_exp : 'a it_funs -> 'a -> static_exp -> static_exp * 'a; + static_exp_desc : 'a it_funs -> 'a -> static_exp_desc -> static_exp_desc * 'a; + ty : 'a it_funs -> 'a -> ty -> ty * 'a; + link : 'a it_funs -> 'a -> link -> link * 'a; + edesc : 'a it_funs -> 'a -> edesc -> edesc * 'a; + exp : 'a it_funs -> 'a -> exp -> exp * 'a; + pat : 'a it_funs -> 'a -> pat -> pat * 'a; + equation : 'a it_funs -> 'a -> equation -> equation * 'a; + var_dec : 'a it_funs -> 'a -> var_dec -> var_dec * 'a; + block : 'a it_funs -> 'a -> block -> block * 'a; + node_dec : 'a it_funs -> 'a -> node_dec -> node_dec * 'a; + const_dec : 'a it_funs -> 'a -> const_dec -> const_dec * 'a; + program : 'a it_funs -> 'a -> program -> program * 'a; +} + +let rec exp_it funs acc e = funs.exp funs acc e +and exp funs acc e = + let e_desc, acc = edesc_it funs acc e.e_desc in + let e_ty, acc = ty_it funs acc e.e_ty in + { e with e_desc = e_desc; e_ty = e_ty }, acc + +and edesc_it funs acc ed = + try funs.edesc funs acc ed + with Fallback -> edesc funs acc ed +and edesc funs acc ed = match ed with + | Econst v -> Econst v, acc + | Evar id -> Evar id, acc + | Ereg e -> + let e, acc = exp_it funs acc e in + Ereg e, acc + | Emem(k, addr_size, word_size, s, args) -> + let addr_size, acc = static_exp_it funs acc addr_size in + let word_size, acc = static_exp_it funs acc word_size in + let args, acc = mapfold (exp_it funs) acc args in + Emem(k, addr_size, word_size, s, args), acc + | Ecall(id, params, args) -> + let params, acc = mapfold (static_exp_it funs) acc params in + let args, acc = mapfold (exp_it funs) acc args in + Ecall(id, params, args), acc + +and static_exp_it funs acc sd = + try funs.static_exp funs acc sd + with Fallback -> static_exp funs acc sd +and static_exp funs acc se = + let se_desc, acc = static_exp_desc_it funs acc se.se_desc in + { se with se_desc = se_desc }, acc + +and static_exp_desc_it funs acc sed = + try funs.static_exp_desc funs acc sed + with Fallback -> static_exp_desc funs acc sed +and static_exp_desc funs acc sed = match sed with + | SInt _ | SBool _ | SVar _ -> sed, acc + | SBinOp (sop, se1, se2) -> + let se1, acc = static_exp_it funs acc se1 in + let se2, acc = static_exp_it funs acc se2 in + SBinOp(sop, se1, se2), acc + | SIf(c, se1, se2) -> + let c, acc = static_exp_it funs acc c in + let se1, acc = static_exp_it funs acc se1 in + let se2, acc = static_exp_it funs acc se2 in + SIf(c, se1, se2), acc + +and ty_it funs acc t = try funs.ty funs acc t with Fallback -> ty funs acc t +and ty funs acc t = match t with + | TUnit | TBit -> t, acc + | TBitArray se -> + let se, acc = static_exp_it funs acc se in + TBitArray se, acc + | TProd t_l -> + let t_l, acc = mapfold (ty_it funs) acc t_l in + TProd t_l, acc + | TVar link -> + let link_v, acc = link_it funs acc !link in + link := link_v; + TVar link, acc + +and link_it funs acc c = + try funs.link funs acc c + with Fallback -> link funs acc c +and link funs acc l = match l with + | TIndex _ -> l, acc + | TLink ty -> + let ty, acc = ty_it funs acc ty in + TLink ty, acc + +and pat_it funs acc p = + try funs.pat funs acc p + with Fallback -> pat funs acc p +and pat funs acc p = p, acc + +and equation_it funs acc eq = funs.equation funs acc eq +and equation funs acc (pat, e) = + let pat, acc = pat_it funs acc pat in + let e, acc = exp_it funs acc e in + (pat, e), acc + +and block_it funs acc b = + try funs.block funs acc b + with Fallback -> block funs acc b +and block funs acc b = match b with + | BEqs(eqs, vds) -> + let vds, acc = mapfold (var_dec_it funs) acc vds in + let eqs, acc = mapfold (equation_it funs) acc eqs in + BEqs (eqs, vds), acc + | BIf(se, b1, b2) -> + let se, acc = static_exp_it funs acc se in + let b1, acc = block_it funs acc b1 in + let b2, acc = block_it funs acc b2 in + BIf(se, b1, b2), acc + +and var_dec_it funs acc vd = funs.var_dec funs acc vd +and var_dec funs acc vd = + let v_ty, acc = ty_it funs acc vd.v_ty in + { vd with v_ty = v_ty }, acc + + +and node_dec_it funs acc nd = funs.node_dec funs acc nd +and node_dec funs acc nd = + let n_inputs, acc = mapfold (var_dec_it funs) acc nd.n_inputs in + let n_outputs, acc = mapfold (var_dec_it funs) acc nd.n_outputs in + let n_constraints, acc = mapfold (static_exp_it funs) acc nd.n_constraints in + let n_body, acc = block_it funs acc nd.n_body in + { nd with + n_inputs = n_inputs; + n_outputs = n_outputs; + n_body = n_body; + n_constraints = n_constraints } + , acc + + +and const_dec_it funs acc c = funs.const_dec funs acc c +and const_dec funs acc c = + let c_value, acc = static_exp_it funs acc c.c_value in + { c with c_value = c_value }, acc + +and program_it funs acc p = funs.program funs acc p +and program funs acc p = + let p_consts, acc = mapfold (const_dec_it funs) acc p.p_consts in + let p_nodes, acc = mapfold (node_dec_it funs) acc p.p_nodes in + { p_nodes = p_nodes; p_consts = p_consts }, acc + + +let defaults = { + static_exp = static_exp; + static_exp_desc = static_exp_desc; + ty = ty; + link = link; + edesc = edesc; + exp = exp; + pat = pat; + equation = equation; + var_dec = var_dec; + block = block; + node_dec = node_dec; + const_dec = const_dec; + program = program; +} diff --git a/minijazz/src/global/misc.ml b/minijazz/src/global/misc.ml new file mode 100644 index 0000000..3a45456 --- /dev/null +++ b/minijazz/src/global/misc.ml @@ -0,0 +1,115 @@ + +(* Functions to decompose a list into a tuple *) +exception Arity_error of int * int (*expected, found*) +exception Arity_min_error of int * int (*expected, found*) + +let try_1 = function + | [v] -> v + | l -> raise (Arity_error(1, List.length l)) + +let try_2 = function + | [v1; v2] -> v1, v2 + | l -> raise (Arity_error(2, List.length l)) + +let try_3 = function + | [v1; v2; v3] -> v1, v2, v3 + | l -> raise (Arity_error(3, List.length l)) + +let try_4 = function + | [v1; v2; v3; v4] -> v1, v2, v3, v4 + | l -> raise (Arity_error(4, List.length l)) + +let try_1min = function + | v::l -> v, l + | l -> raise (Arity_min_error(1, List.length l)) + +let assert_fun f l = + try + f l + with + Arity_error(expected, found) -> + Format.eprintf "Internal compiler error: \ + wrong list size (found %d, expected %d).@." found expected; + assert false + +let assert_min_fun f l = + try + f l + with + Arity_min_error(expected, found) -> + Format.eprintf "Internal compiler error: \ + wrong list size (found %d, expected %d at least).@." found expected; + assert false + +let assert_1 l = assert_fun try_1 l +let assert_2 l = assert_fun try_2 l +let assert_3 l = assert_fun try_3 l +let assert_4 l = assert_fun try_4 l + +let assert_1min l = assert_min_fun try_1min l + +let mapfold f acc l = + let l,acc = List.fold_left + (fun (l,acc) e -> let e,acc = f acc e in e::l, acc) + ([],acc) l in + List.rev l, acc + +let mapi f l = + let rec aux i = function + | [] -> [] + | v::l -> (f i v)::(aux (i+1) l) + in + aux 1 l + +let unique l = + let tbl = Hashtbl.create (List.length l) in + List.iter (fun i -> Hashtbl.replace tbl i ()) l; + Hashtbl.fold (fun key _ accu -> key :: accu) tbl [] + +let is_empty = function | [] -> true | _ -> false + +let gen_symbol = + let counter = ref 0 in + let _gen_symbol () = + counter := !counter + 1; + "_"^(string_of_int !counter) + in + _gen_symbol + +let bool_of_string s = match s with + | "t" | "1" -> true + | "f" | "0" -> false + | _ -> raise (Invalid_argument ("bool_of_string")) + +let bool_array_of_string s = + let a = Array.make (String.length s) false in + for i = 0 to String.length s - 1 do + a.(i) <- bool_of_string (String.sub s i 1) + done; + a + +exception Int_too_big +let convert_size s n = + let m = String.length s in + if m > n then + raise Int_too_big + else + if m = n then s else (String.make (n - m) '0')^s + +let binary_not s = + for i=0 to String.length s - 1 do + s.[i] <- if s.[i] = '0' then '1' else '0' + done; + s + +let rec binary_string_of_int i n = + let rec s_of_i i = match i with + | 0 -> "0" + | 1 -> "1" + | i when i < 0 -> binary_not (binary_string_of_int (-i-1) n) + | _ -> + let q, r = i / 2, i mod 2 in + (s_of_i q) ^ (s_of_i r) + in + convert_size (s_of_i i) n + diff --git a/minijazz/src/global/printer.ml b/minijazz/src/global/printer.ml new file mode 100644 index 0000000..747541d --- /dev/null +++ b/minijazz/src/global/printer.ml @@ -0,0 +1,156 @@ +open Ident +open Ast +open Static +open Format +open Misc + +let print_name ff n = fprintf ff "%s" n + +let rec print_list_r 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 rec print_list_nlr 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_bool ff b = + if b then + fprintf ff "1" + else + fprintf ff "0" + +let rec print_const ff v = match v with + | VBit b -> print_bool ff b + | VBitArray a when Array.length a = 0 -> fprintf ff "[]" + | VBitArray l -> Array.iter (print_bool ff) l + +let rec print_static_exp ff se = match se.se_desc with + | SInt i -> fprintf ff "%d" i + | SBool b -> print_bool ff b + | SVar n -> print_name ff n + | SBinOp(op, se1, se2) -> + let op_str = match op with + | SAdd -> "+" | SMinus -> "-" + | SMult -> "*" | SDiv -> "/" + | SPower -> "^" | SEqual -> "=" + | SLess -> "<" | SLeq -> "<=" + | SGreater -> ">" | SGeq -> ">=" in + fprintf ff "(%a %s %a)" print_static_exp se1 op_str print_static_exp se2 + | SIf (c, se1, se2) -> + fprintf ff "(%a ? %a : %a)" + print_static_exp c print_static_exp se1 print_static_exp se2 + +let rec print_static_type ff sty = match sty with + | STInt -> fprintf ff "int" + | STBool -> fprintf ff "bool" + +let rec print_type ff ty = match ty with + | TUnit -> fprintf ff "()" + | TBit -> fprintf ff "bit" + | TBitArray se -> fprintf ff "bit[%a]" print_static_exp se + | TProd l -> print_list_r print_type "" "*" "" ff l + | TVar _ -> fprintf ff "<var>" + +let print_call_params ff params = match params with + | [] -> () + | _ -> print_list_r print_static_exp "<<"","">>" ff params + +let rec print_exp ff e = + if !Cli_options.print_types then + fprintf ff "(%a : %a)" print_edesc e.e_desc print_type e.e_ty + else + fprintf ff "%a" print_edesc e.e_desc + +and print_edesc ff ed = match ed with + | Econst v -> print_const ff v + | Evar n -> print_ident ff n + | Ereg e -> fprintf ff "reg %a" print_exp e + | Ecall("select", idx::_, args) -> + let e1 = assert_1 args in + fprintf ff "%a[%a]" print_exp e1 print_static_exp idx + | Ecall("slice", low::high::_, args) -> + let e1 = assert_1 args in + fprintf ff "%a[%a..%a]" + print_exp e1 print_static_exp low print_static_exp high + | Ecall("concat", _, args) -> + let e1, e2 = assert_2 args in + fprintf ff "%a . %a" print_exp e1 print_exp e2 + | Ecall(fn, params, args) -> + fprintf ff "%a%a%a" print_name fn print_call_params params print_args args + | Emem(MRom, addr_size, word_size, _, args) -> + fprintf ff "rom<%a,%a>%a" + print_static_exp addr_size print_static_exp word_size print_args args + | Emem(MRam, addr_size, word_size, _, args) -> + fprintf ff "ram<%a,%a>%a" + print_static_exp addr_size print_static_exp word_size print_args args + +and print_args ff args = + print_list_r print_exp "(" "," ")" ff args + +let rec print_pat ff pat = match pat with + | Evarpat id -> print_ident ff id + | Etuplepat l -> print_list_r print_ident "(" "," ")" ff l + +let print_eq ff (pat, e) = + fprintf ff "%a = %a" print_pat pat print_exp e + +let print_eqs ff eqs = + print_list_nlr print_eq """;""" ff eqs + +let print_var_dec ff vd = match vd.v_ty with + | TUnit -> fprintf ff "@[%a : .@]" print_ident vd.v_ident + | TBit -> fprintf ff "@[%a@]" print_ident vd.v_ident + | TBitArray se -> + fprintf ff "@[%a : [%a]@]" print_ident vd.v_ident print_static_exp se + | TProd _ -> assert false + | TVar _ -> fprintf ff "%a : <var>" print_ident vd.v_ident + +let print_var_decs ff vds = + print_list_r print_var_dec "("","")" ff vds + +let rec print_block ff b = match b with + | BEqs (eqs, []) -> print_eqs ff eqs + | BEqs (eqs, vds) -> + fprintf ff "@[<v 2>var %a@] in@,%a" print_var_decs vds print_eqs eqs + | BIf(se, thenb, elseb) -> + fprintf ff "@[<v 2>if %a then@,%a@]@,@[<v 2>else@,%a@]" + print_static_exp se + print_block thenb + print_block elseb + +let print_param ff p = + print_name ff p.p_name + +let print_params ff params = match params with + | [] -> () + | _ -> print_list_r print_param "<<"","">>" ff params + +let print_constraints ff cl = + if !Cli_options.print_types then + fprintf ff " with %a" (print_list_r print_static_exp "" " and " "") cl + +let print_node ff n = + fprintf ff "@[<v2>@[%a%a%a = %a@] where@ %a@.end where%a;@]@\n@." + print_name n.n_name + print_params n.n_params + print_var_decs n.n_inputs + print_var_decs n.n_outputs + print_block n.n_body + print_constraints n.n_constraints + +let print_const_dec ff cd = + fprintf ff "const %a = %a@\n@." + print_name cd.c_name print_static_exp cd.c_value + +let print_program oc p = + let ff = formatter_of_out_channel oc in + List.iter (print_const_dec ff) p.p_consts; + List.iter (print_node ff) p.p_nodes + diff --git a/minijazz/src/global/static.ml b/minijazz/src/global/static.ml new file mode 100644 index 0000000..352e62e --- /dev/null +++ b/minijazz/src/global/static.ml @@ -0,0 +1,31 @@ +open Errors +open Location + +type name = string +module NameEnv = Map.Make (struct type t = name let compare = compare end) + +type sop = + | SAdd | SMinus | SMult | SDiv | SPower (*int*) + | SEqual | SLess | SLeq | SGreater | SGeq (*bool*) + +type static_exp_desc = + | SInt of int + | SBool of bool + | SVar of name + | SBinOp of sop * static_exp * static_exp + | SIf of static_exp * static_exp * static_exp (* se1 ? se2 : se3 *) + +and static_exp = + { se_desc : static_exp_desc; + se_loc : location } + +type static_ty = STInt | STBool + +let mk_static_exp ?(loc = no_location) desc = + { se_desc = desc; se_loc = loc } +let mk_static_var s = + mk_static_exp (SVar s) +let mk_static_int i = + mk_static_exp (SInt i) +let mk_static_bool b = + mk_static_exp (SBool b) diff --git a/minijazz/src/global/static_utils.ml b/minijazz/src/global/static_utils.ml new file mode 100644 index 0000000..f95ce30 --- /dev/null +++ b/minijazz/src/global/static_utils.ml @@ -0,0 +1,76 @@ +open Static + +let pow a n = + let rec g p x = function + | 0 -> x + | i -> + g (p * p) (if i mod 2 = 1 then p * x else x) (i/2) + in + g a 1 n +;; + + +let fun_of_op op = match op with + | SAdd -> (+) | SMinus -> (-) + | SMult -> (fun i1 i2 -> i1 * i2) + | SDiv -> (/) + | SPower -> pow + | _ -> assert false + +let fun_of_comp_op op = match op with + | SEqual -> (=) | SLeq -> (<=) | SLess -> (<) + | _ -> assert false + +let rec simplify env se = match se.se_desc with + | SInt _ | SBool _ -> se + | SVar n -> + (try + let se = NameEnv.find n env in + simplify env se + with + | Not_found -> se) + | SBinOp(op, se1, se2) -> + let se1 = simplify env se1 in + let se2 = simplify env se2 in + let desc = + match op, se1.se_desc, se2.se_desc with + | (SAdd | SMinus | SDiv | SMult | SPower), SInt i1, SInt i2 -> + let f = fun_of_op op in + SInt (f i1 i2) + | (SEqual | SLess | SLeq | SGreater | SGeq), SInt i1, SInt i2 -> + let f = fun_of_comp_op op in + SBool (f i1 i2) + | _, _, _ -> SBinOp(op, se1, se2) + in + { se with se_desc = desc } + | SIf(c, se1, se2) -> + let c = simplify env c in + let se1 = simplify env se1 in + let se2 = simplify env se2 in + (match c.se_desc, se1.se_desc, se2.se_desc with + | SBool true, _, _ -> se1 + | SBool false, _, _ -> se2 + | _, sed1, sed2 when sed1 = sed2 -> { se with se_desc = sed1 } + | _, _, _ -> { se with se_desc = SIf(c, se1, se2) }) + +let rec subst env se = match se.se_desc with + | SInt _ | SBool _ -> se + | SVar n -> + (try + NameEnv.find n env + with + | Not_found -> se) + | SBinOp(op, se1, se2) -> + { se with se_desc = SBinOp(op, subst env se1, subst env se2) } + | SIf(c, se1, se2) -> + { se with se_desc = SIf(subst env c, subst env se1, subst env se2) } + +exception Unsatisfiable of static_exp +let check_true env cl = + let check_one c = + let res = simplify env c in + match res.se_desc with + | SBool true -> () + | _ -> raise (Unsatisfiable c) + in + List.iter check_one cl |