Revision ca7ff3f7
Added by Lélio Brun over 1 year ago
| src/basic_library.ml | ||
|---|---|---|
| 16 | 16 |
open Clock_predef |
| 17 | 17 |
open Delay_predef |
| 18 | 18 |
open Dimension |
| 19 |
|
|
| 20 | 19 |
module TE = Env |
| 21 | 20 |
|
| 22 |
let static_op ty = |
|
| 23 |
type_static (mkdim_var ()) ty |
|
| 21 |
let static_op ty = type_static (mkdim_var ()) ty |
|
| 24 | 22 |
|
| 25 | 23 |
let type_env = |
| 26 | 24 |
List.fold_left |
| 27 | 25 |
(fun env (op, op_type) -> TE.add_value env op op_type) |
| 28 | 26 |
TE.initial |
| 29 | 27 |
[ |
| 30 |
"true", (static_op type_bool);
|
|
| 31 |
"false", (static_op type_bool);
|
|
| 32 |
"+", (static_op type_bin_poly_op);
|
|
| 33 |
"uminus", (static_op type_unary_poly_op);
|
|
| 34 |
"-", (static_op type_bin_poly_op);
|
|
| 35 |
"*", (static_op type_bin_poly_op);
|
|
| 36 |
"/", (static_op type_bin_poly_op);
|
|
| 37 |
"mod", (static_op type_bin_int_op);
|
|
| 38 |
"&&", (static_op type_bin_bool_op);
|
|
| 39 |
"||", (static_op type_bin_bool_op);
|
|
| 40 |
"xor", (static_op type_bin_bool_op);
|
|
| 41 |
"equi", (static_op type_bin_bool_op);
|
|
| 42 |
"impl", (static_op type_bin_bool_op);
|
|
| 43 |
"<", (static_op type_bin_comp_op);
|
|
| 44 |
"<=", (static_op type_bin_comp_op);
|
|
| 45 |
">", (static_op type_bin_comp_op);
|
|
| 46 |
">=", (static_op type_bin_comp_op);
|
|
| 47 |
"!=", (static_op type_bin_comp_op);
|
|
| 48 |
"=", (static_op type_bin_comp_op);
|
|
| 49 |
"not", (static_op type_unary_bool_op)
|
|
| 50 |
] |
|
| 28 |
"true", static_op type_bool;
|
|
| 29 |
"false", static_op type_bool;
|
|
| 30 |
"+", static_op type_bin_poly_op;
|
|
| 31 |
"uminus", static_op type_unary_poly_op;
|
|
| 32 |
"-", static_op type_bin_poly_op;
|
|
| 33 |
"*", static_op type_bin_poly_op;
|
|
| 34 |
"/", static_op type_bin_poly_op;
|
|
| 35 |
"mod", static_op type_bin_int_op;
|
|
| 36 |
"&&", static_op type_bin_bool_op;
|
|
| 37 |
"||", static_op type_bin_bool_op;
|
|
| 38 |
"xor", static_op type_bin_bool_op;
|
|
| 39 |
"equi", static_op type_bin_bool_op;
|
|
| 40 |
"impl", static_op type_bin_bool_op;
|
|
| 41 |
"<", static_op type_bin_comp_op;
|
|
| 42 |
"<=", static_op type_bin_comp_op;
|
|
| 43 |
">", static_op type_bin_comp_op;
|
|
| 44 |
">=", static_op type_bin_comp_op;
|
|
| 45 |
"!=", static_op type_bin_comp_op;
|
|
| 46 |
"=", static_op type_bin_comp_op;
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|
| 47 |
"not", static_op type_unary_bool_op;
|
|
| 48 |
]
|
|
| 51 | 49 |
|
| 52 | 50 |
module CE = Env |
| 53 | 51 |
|
| 54 | 52 |
let clock_env = |
| 55 | 53 |
let init_env = CE.initial in |
| 56 | 54 |
let env' = |
| 57 |
List.fold_right (fun op env -> CE.add_value env op ck_nullary_univ) |
|
| 58 |
["true"; "false"] init_env in |
|
| 55 |
List.fold_right |
|
| 56 |
(fun op env -> CE.add_value env op ck_nullary_univ) |
|
| 57 |
[ "true"; "false" ] init_env |
|
| 58 |
in |
|
| 59 | 59 |
let env' = |
| 60 |
List.fold_right (fun op env -> CE.add_value env op ck_unary_univ) |
|
| 61 |
["uminus"; "not"] env' in |
|
| 60 |
List.fold_right |
|
| 61 |
(fun op env -> CE.add_value env op ck_unary_univ) |
|
| 62 |
[ "uminus"; "not" ] env' |
|
| 63 |
in |
|
| 62 | 64 |
let env' = |
| 63 |
List.fold_right (fun op env -> CE.add_value env op ck_bin_univ) |
|
| 64 |
["+"; "-"; "*"; "/"; "mod"; "&&"; "||"; "xor"; "equi"; "impl"; "<"; "<="; ">"; ">="; "!="; "="] env' in |
|
| 65 |
List.fold_right |
|
| 66 |
(fun op env -> CE.add_value env op ck_bin_univ) |
|
| 67 |
[ |
|
| 68 |
"+"; |
|
| 69 |
"-"; |
|
| 70 |
"*"; |
|
| 71 |
"/"; |
|
| 72 |
"mod"; |
|
| 73 |
"&&"; |
|
| 74 |
"||"; |
|
| 75 |
"xor"; |
|
| 76 |
"equi"; |
|
| 77 |
"impl"; |
|
| 78 |
"<"; |
|
| 79 |
"<="; |
|
| 80 |
">"; |
|
| 81 |
">="; |
|
| 82 |
"!="; |
|
| 83 |
"="; |
|
| 84 |
] |
|
| 85 |
env' |
|
| 86 |
in |
|
| 65 | 87 |
env' |
| 66 | 88 |
|
| 67 | 89 |
module DE = Env |
| ... | ... | |
| 69 | 91 |
let delay_env = |
| 70 | 92 |
let init_env = DE.initial in |
| 71 | 93 |
let env' = |
| 72 |
List.fold_right (fun op env -> DE.add_value env op delay_nullary_poly_op) |
|
| 73 |
["true"; "false"] init_env in |
|
| 94 |
List.fold_right |
|
| 95 |
(fun op env -> DE.add_value env op delay_nullary_poly_op) |
|
| 96 |
[ "true"; "false" ] init_env |
|
| 97 |
in |
|
| 74 | 98 |
let env' = |
| 75 |
List.fold_right (fun op env -> DE.add_value env op delay_unary_poly_op) |
|
| 76 |
["uminus"; "not"] env' in |
|
| 99 |
List.fold_right |
|
| 100 |
(fun op env -> DE.add_value env op delay_unary_poly_op) |
|
| 101 |
[ "uminus"; "not" ] env' |
|
| 102 |
in |
|
| 77 | 103 |
let env' = |
| 78 |
List.fold_right (fun op env -> DE.add_value env op delay_binary_poly_op) |
|
| 79 |
["+"; "-"; "*"; "/"; "mod"; "&&"; "||"; "xor"; "equi"; "impl"; "<"; "<="; ">"; ">="; "!="; "="] env' in |
|
| 104 |
List.fold_right |
|
| 105 |
(fun op env -> DE.add_value env op delay_binary_poly_op) |
|
| 106 |
[ |
|
| 107 |
"+"; |
|
| 108 |
"-"; |
|
| 109 |
"*"; |
|
| 110 |
"/"; |
|
| 111 |
"mod"; |
|
| 112 |
"&&"; |
|
| 113 |
"||"; |
|
| 114 |
"xor"; |
|
| 115 |
"equi"; |
|
| 116 |
"impl"; |
|
| 117 |
"<"; |
|
| 118 |
"<="; |
|
| 119 |
">"; |
|
| 120 |
">="; |
|
| 121 |
"!="; |
|
| 122 |
"="; |
|
| 123 |
] |
|
| 124 |
env' |
|
| 125 |
in |
|
| 80 | 126 |
let env' = |
| 81 |
List.fold_right (fun op env -> DE.add_value env op delay_ternary_poly_op) |
|
| 82 |
[] env' in |
|
| 127 |
List.fold_right |
|
| 128 |
(fun op env -> DE.add_value env op delay_ternary_poly_op) |
|
| 129 |
[] env' |
|
| 130 |
in |
|
| 83 | 131 |
env' |
| 84 | 132 |
|
| 85 | 133 |
module VE = Env |
| 86 | 134 |
|
| 87 | 135 |
let eval_dim_env = |
| 88 |
let defs = [ |
|
| 89 |
"uminus", (function [Dint a] -> Dint (-a) | _ -> assert false); |
|
| 90 |
"not", (function [Dbool b] -> Dbool (not b) | _ -> assert false); |
|
| 91 |
"+", (function [Dint a; Dint b] -> Dint (a+b) | _ -> assert false); |
|
| 92 |
"-", (function [Dint a; Dint b] -> Dint (a-b) | _ -> assert false); |
|
| 93 |
"*", (function [Dint a; Dint b] -> Dint (a*b) | _ -> assert false); |
|
| 94 |
"/", (function [Dint a; Dint b] -> Dint (a/b) | _ -> assert false); |
|
| 95 |
"mod", (function [Dint a; Dint b] -> Dint (a mod b) | _ -> assert false); |
|
| 96 |
"&&", (function [Dbool a; Dbool b] -> Dbool (a&&b) | _ -> assert false); |
|
| 97 |
"||", (function [Dbool a; Dbool b] -> Dbool (a||b) | _ -> assert false); |
|
| 98 |
"xor", (function [Dbool a; Dbool b] -> Dbool (a<>b) | _ -> assert false); |
|
| 99 |
"equi", (function [Dbool a; Dbool b] -> Dbool (a=b) | _ -> assert false); |
|
| 100 |
"impl", (function [Dbool a; Dbool b] -> Dbool (a<=b)| _ -> assert false); |
|
| 101 |
"<", (function [Dint a; Dint b] -> Dbool (a<b) | _ -> assert false); |
|
| 102 |
">", (function [Dint a; Dint b] -> Dbool (a>b) | _ -> assert false); |
|
| 103 |
"<=", (function [Dint a; Dint b] -> Dbool (a<=b) | _ -> assert false); |
|
| 104 |
">=", (function [Dint a; Dint b] -> Dbool (a>=b) | _ -> assert false); |
|
| 105 |
"!=", (function [a; b] -> Dbool (a<>b) | _ -> assert false); |
|
| 106 |
"=", (function [a; b] -> Dbool (a=b) | _ -> assert false); |
|
| 107 |
] |
|
| 136 |
let defs = |
|
| 137 |
[ |
|
| 138 |
("uminus", function [ Dint a ] -> Dint (-a) | _ -> assert false);
|
|
| 139 |
("not", function [ Dbool b ] -> Dbool (not b) | _ -> assert false);
|
|
| 140 |
("+", function [ Dint a; Dint b ] -> Dint (a + b) | _ -> assert false);
|
|
| 141 |
("-", function [ Dint a; Dint b ] -> Dint (a - b) | _ -> assert false);
|
|
| 142 |
("*", function [ Dint a; Dint b ] -> Dint (a * b) | _ -> assert false);
|
|
| 143 |
("/", function [ Dint a; Dint b ] -> Dint (a / b) | _ -> assert false);
|
|
| 144 |
( "mod", |
|
| 145 |
function [ Dint a; Dint b ] -> Dint (a mod b) | _ -> assert false ); |
|
| 146 |
( "&&", |
|
| 147 |
function [ Dbool a; Dbool b ] -> Dbool (a && b) | _ -> assert false ); |
|
| 148 |
( "||", |
|
| 149 |
function [ Dbool a; Dbool b ] -> Dbool (a || b) | _ -> assert false ); |
|
| 150 |
( "xor", |
|
| 151 |
function [ Dbool a; Dbool b ] -> Dbool (a <> b) | _ -> assert false ); |
|
| 152 |
( "equi", |
|
| 153 |
function [ Dbool a; Dbool b ] -> Dbool (a = b) | _ -> assert false ); |
|
| 154 |
( "impl", |
|
| 155 |
function [ Dbool a; Dbool b ] -> Dbool (a <= b) | _ -> assert false ); |
|
| 156 |
("<", function [ Dint a; Dint b ] -> Dbool (a < b) | _ -> assert false);
|
|
| 157 |
(">", function [ Dint a; Dint b ] -> Dbool (a > b) | _ -> assert false);
|
|
| 158 |
("<=", function [ Dint a; Dint b ] -> Dbool (a <= b) | _ -> assert false);
|
|
| 159 |
(">=", function [ Dint a; Dint b ] -> Dbool (a >= b) | _ -> assert false);
|
|
| 160 |
("!=", function [ a; b ] -> Dbool (a <> b) | _ -> assert false);
|
|
| 161 |
("=", function [ a; b ] -> Dbool (a = b) | _ -> assert false);
|
|
| 162 |
] |
|
| 108 | 163 |
in |
| 109 | 164 |
List.fold_left |
| 110 | 165 |
(fun env (op, op_eval) -> VE.add_value env op op_eval) |
| 111 |
VE.initial |
|
| 112 |
defs |
|
| 166 |
VE.initial defs |
|
| 167 |
|
|
| 168 |
let arith_funs = [ "+"; "-"; "*"; "/"; "mod"; "uminus" ] |
|
| 113 | 169 |
|
| 114 |
let arith_funs = ["+";"-";"*";"/";"mod"; "uminus"] |
|
| 115 |
let bool_funs = ["&&";"||";"xor";"equi";"impl"; "not"] |
|
| 116 |
let rel_funs = ["<";">";"<=";">=";"!=";"="] |
|
| 170 |
let bool_funs = [ "&&"; "||"; "xor"; "equi"; "impl"; "not" ] |
|
| 171 |
|
|
| 172 |
let rel_funs = [ "<"; ">"; "<="; ">="; "!="; "=" ] |
|
| 173 |
|
|
| 174 |
let internal_funs = arith_funs @ bool_funs @ rel_funs |
|
| 117 | 175 |
|
| 118 |
let internal_funs = arith_funs@bool_funs@rel_funs |
|
| 119 |
|
|
| 120 | 176 |
let rec is_internal_fun x targs = |
| 121 |
(*Format.eprintf "is_internal_fun %s %a@." x Types.print_ty (List.hd targs);*) |
|
| 177 |
(*Format.eprintf "is_internal_fun %s %a@." x Types.print_ty (List.hd targs);*)
|
|
| 122 | 178 |
match targs with |
| 123 |
| [] -> assert false |
|
| 124 |
| t::_ when Types.is_real_type t -> List.mem x internal_funs && not !Options.mpfr |
|
| 125 |
| t::_ when Types.is_array_type t -> is_internal_fun x [Types.array_element_type t] |
|
| 126 |
| _ -> List.mem x internal_funs |
|
| 179 |
| [] -> |
|
| 180 |
assert false |
|
| 181 |
| t :: _ when Types.is_real_type t -> |
|
| 182 |
List.mem x internal_funs && not !Options.mpfr |
|
| 183 |
| t :: _ when Types.is_array_type t -> |
|
| 184 |
is_internal_fun x [ Types.array_element_type t ] |
|
| 185 |
| _ -> |
|
| 186 |
List.mem x internal_funs |
|
| 127 | 187 |
|
| 128 | 188 |
let is_expr_internal_fun expr = |
| 129 | 189 |
let open Lustre_types in |
| 130 | 190 |
match expr.expr_desc with |
| 131 |
| Expr_appl (f, e, _) -> is_internal_fun f (Types.type_list_of_type e.expr_type) |
|
| 132 |
| _ -> assert false |
|
| 191 |
| Expr_appl (f, e, _) -> |
|
| 192 |
is_internal_fun f (Types.type_list_of_type e.expr_type) |
|
| 193 |
| _ -> |
|
| 194 |
assert false |
|
| 133 | 195 |
|
| 134 | 196 |
let is_value_internal_fun v = |
| 135 | 197 |
let open Machine_code_types in |
| 136 | 198 |
match v.value_desc with |
| 137 |
| Fun (f, vl) -> is_internal_fun f (List.map (fun v -> v.value_type) vl) |
|
| 138 |
| _ -> assert false |
|
| 139 |
|
|
| 140 |
let is_numeric_operator x = |
|
| 141 |
List.mem x arith_funs |
|
| 199 |
| Fun (f, vl) -> |
|
| 200 |
is_internal_fun f (List.map (fun v -> v.value_type) vl) |
|
| 201 |
| _ -> |
|
| 202 |
assert false |
|
| 142 | 203 |
|
| 143 |
let is_homomorphic_fun x = |
|
| 144 |
List.mem x internal_funs |
|
| 204 |
let is_numeric_operator x = List.mem x arith_funs |
|
| 145 | 205 |
|
| 146 |
let is_stateless_fun x = |
|
| 147 |
List.mem x internal_funs |
|
| 206 |
let is_homomorphic_fun x = List.mem x internal_funs |
|
| 148 | 207 |
|
| 208 |
let is_stateless_fun x = List.mem x internal_funs |
|
| 149 | 209 |
|
| 150 | 210 |
(* let pp_java i pp_val fmt vl = *) |
| 151 | 211 |
(* match i, vl with *) |
| 152 |
(* (\* | "ite", [v1; v2; v3] -> Format.fprintf fmt "(%a?(%a):(%a))" pp_val v1 pp_val v2 pp_val v3 *\) *) |
|
| 212 |
(* (\* | "ite", [v1; v2; v3] -> Format.fprintf fmt "(%a?(%a):(%a))" pp_val v1 |
|
| 213 |
pp_val v2 pp_val v3 *\) *) |
|
| 153 | 214 |
(* | "uminus", [v] -> Format.fprintf fmt "(- %a)" pp_val v *) |
| 154 | 215 |
(* | "not", [v] -> Format.fprintf fmt "(!%a)" pp_val v *) |
| 155 |
(* | "impl", [v1; v2] -> Format.fprintf fmt "(!%a || %a)" pp_val v1 pp_val v2 *) |
|
| 156 |
(* | "=", [v1; v2] -> Format.fprintf fmt "(%a == %a)" pp_val v1 pp_val v2 *) |
|
| 157 |
(* | "mod", [v1; v2] -> Format.fprintf fmt "(%a %% %a)" pp_val v1 pp_val v2 *) |
|
| 158 |
(* | "equi", [v1; v2] -> Format.fprintf fmt "(%a == %a)" pp_val v1 pp_val v2 *) |
|
| 159 |
(* | "xor", [v1; v2] -> Format.fprintf fmt "(%a != %a)" pp_val v1 pp_val v2 *) |
|
| 160 |
(* | _, [v1; v2] -> Format.fprintf fmt "(%a %s %a)" pp_val v1 i pp_val v2 *) |
|
| 161 |
(* | _ -> (Format.eprintf "internal error: Basic_library.pp_java %s@." i; assert false) *) |
|
| 216 |
(* | "impl", [v1; v2] -> Format.fprintf fmt "(!%a || %a)" pp_val v1 pp_val v2 *) |
|
| 217 |
(* | "=", [v1; v2] -> Format.fprintf fmt "(%a == %a)" pp_val v1 pp_val v2 *) |
|
| 218 |
(* | "mod", [v1; v2] -> Format.fprintf fmt "(%a %% %a)" pp_val v1 pp_val v2 *) |
|
| 219 |
(* | "equi", [v1; v2] -> Format.fprintf fmt "(%a == %a)" pp_val v1 pp_val v2 *) |
|
| 220 |
(* | "xor", [v1; v2] -> Format.fprintf fmt "(%a != %a)" pp_val v1 pp_val v2 *) |
|
| 221 |
(* | _, [v1; v2] -> Format.fprintf fmt "(%a %s %a)" pp_val v1 i pp_val v2 *) |
|
| 222 |
(* | _ -> (Format.eprintf "internal error: Basic_library.pp_java %s@." i; assert |
|
| 223 |
false) *) |
|
| 162 | 224 |
|
| 163 | 225 |
let partial_eval op e opt = |
| 164 | 226 |
let open Lustre_types in |
| 165 | 227 |
let is_zero e = |
| 166 | 228 |
match e.expr_desc with |
| 167 |
| Expr_const (Const_int 0) -> true |
|
| 168 |
| Expr_const (Const_real r) when Real.is_zero r -> true |
|
| 169 |
| _ -> false |
|
| 229 |
| Expr_const (Const_int 0) -> |
|
| 230 |
true |
|
| 231 |
| Expr_const (Const_real r) when Real.is_zero r -> |
|
| 232 |
true |
|
| 233 |
| _ -> |
|
| 234 |
false |
|
| 170 | 235 |
in |
| 171 | 236 |
let is_one e = |
| 172 | 237 |
match e.expr_desc with |
| 173 |
| Expr_const (Const_int 1) -> true |
|
| 174 |
| Expr_const (Const_real r) when Real.is_one r -> true |
|
| 175 |
| _ -> false |
|
| 238 |
| Expr_const (Const_int 1) -> |
|
| 239 |
true |
|
| 240 |
| Expr_const (Const_real r) when Real.is_one r -> |
|
| 241 |
true |
|
| 242 |
| _ -> |
|
| 243 |
false |
|
| 176 | 244 |
in |
| 177 | 245 |
let is_true, is_false = |
| 178 | 246 |
let is_tag t e = e.expr_desc = Expr_const (Const_tag t) in |
| 179 | 247 |
is_tag tag_true, is_tag tag_false |
| 180 | 248 |
in |
| 181 |
let int_arith_op, real_arith_op= |
|
| 182 |
let assoc op= |
|
| 249 |
let int_arith_op, real_arith_op =
|
|
| 250 |
let assoc op =
|
|
| 183 | 251 |
match op with |
| 184 |
| "+" -> (+), Real.add |
|
| 185 |
| "-" -> (-), Real.minus |
|
| 186 |
| "*" -> ( * ), Real.times |
|
| 187 |
| "/" -> (/), Real.div |
|
| 188 |
| "mod" -> (mod), (fun _ _ -> assert false) |
|
| 189 |
| _ -> assert false |
|
| 252 |
| "+" -> |
|
| 253 |
( + ), Real.add |
|
| 254 |
| "-" -> |
|
| 255 |
( - ), Real.minus |
|
| 256 |
| "*" -> |
|
| 257 |
( * ), Real.times |
|
| 258 |
| "/" -> |
|
| 259 |
( / ), Real.div |
|
| 260 |
| "mod" -> |
|
| 261 |
( mod ), fun _ _ -> assert false |
|
| 262 |
| _ -> |
|
| 263 |
assert false |
|
| 190 | 264 |
in |
| 191 |
(fun op -> fst(assoc op)), (fun op -> snd(assoc op))
|
|
| 265 |
(fun op -> fst (assoc op)), fun op -> snd (assoc op)
|
|
| 192 | 266 |
in |
| 193 | 267 |
let int_rel_op, real_rel_op = |
| 194 | 268 |
let assoc op = |
| 195 | 269 |
match op with |
| 196 |
| "<" -> (<), Real.lt |
|
| 197 |
|">" -> (>), Real.gt |
|
| 198 |
|"<="-> (<=), Real.le |
|
| 199 |
| ">=" -> (>=), Real.ge |
|
| 200 |
|"!=" -> (!=), Real.diseq |
|
| 201 |
|"=" -> (=), Real.eq |
|
| 202 |
| _ -> assert false |
|
| 270 |
| "<" -> |
|
| 271 |
( < ), Real.lt |
|
| 272 |
| ">" -> |
|
| 273 |
( > ), Real.gt |
|
| 274 |
| "<=" -> |
|
| 275 |
( <= ), Real.le |
|
| 276 |
| ">=" -> |
|
| 277 |
( >= ), Real.ge |
|
| 278 |
| "!=" -> |
|
| 279 |
( != ), Real.diseq |
|
| 280 |
| "=" -> |
|
| 281 |
( = ), Real.eq |
|
| 282 |
| _ -> |
|
| 283 |
assert false |
|
| 203 | 284 |
in |
| 204 |
(fun op -> fst(assoc op)), (fun op -> snd(assoc op))
|
|
| 285 |
(fun op -> fst (assoc op)), fun op -> snd (assoc op)
|
|
| 205 | 286 |
in |
| 206 |
let eval_bool_fun op e1 e2 = |
|
| 207 |
let s2b s = if s= tag_true then true else if s=tag_false then false else assert false in |
|
| 287 |
let eval_bool_fun op e1 e2 = |
|
| 288 |
let s2b s = |
|
| 289 |
if s = tag_true then true |
|
| 290 |
else if s = tag_false then false |
|
| 291 |
else assert false |
|
| 292 |
in |
|
| 208 | 293 |
let e1, e2 = s2b e1, s2b e2 in |
| 209 | 294 |
let r = |
| 210 | 295 |
match op with |
| 211 |
"&&" -> e1 && e2 |
|
| 212 |
| "||" -> e1 || e2 |
|
| 213 |
| "xor" -> (e1 && e2) || ((not e1) && (not e2)) |
|
| 214 |
| "impl" -> (not e1) || e2 |
|
| 215 |
| "equi" -> ((not e1) || e2) && ((not e2) || e1) |
|
| 216 |
| _ -> assert false |
|
| 296 |
| "&&" -> |
|
| 297 |
e1 && e2 |
|
| 298 |
| "||" -> |
|
| 299 |
e1 || e2 |
|
| 300 |
| "xor" -> |
|
| 301 |
(e1 && e2) || ((not e1) && not e2) |
|
| 302 |
| "impl" -> |
|
| 303 |
(not e1) || e2 |
|
| 304 |
| "equi" -> |
|
| 305 |
((not e1) || e2) && ((not e2) || e1) |
|
| 306 |
| _ -> |
|
| 307 |
assert false |
|
| 217 | 308 |
in |
| 218 | 309 |
if r then Const_tag tag_true else Const_tag tag_false |
| 219 |
in |
|
| 220 |
let is_const e = |
|
| 221 |
match e.expr_desc with Expr_const _ -> true | _ -> false |
|
| 222 | 310 |
in |
| 311 |
let is_const e = match e.expr_desc with Expr_const _ -> true | _ -> false in |
|
| 223 | 312 |
let deconst e = |
| 224 |
match e.expr_desc with |
|
| 225 |
| Expr_const c -> c |
|
| 226 |
| _ -> assert false |
|
| 313 |
match e.expr_desc with Expr_const c -> c | _ -> assert false |
|
| 227 | 314 |
in |
| 228 |
match op, (match e.expr_desc with Expr_tuple el -> el | _ -> [e]) with
|
|
| 229 |
| _, el when List.for_all is_const el -> (
|
|
| 230 |
let new_cst =
|
|
| 315 |
match op, match e.expr_desc with Expr_tuple el -> el | _ -> [ e ] with
|
|
| 316 |
| _, el when List.for_all is_const el -> |
|
| 317 |
let new_cst = |
|
| 231 | 318 |
match op, List.map deconst el with |
| 232 |
| ("+"|"-"|"*"|"/"|"mod"), [Const_int c1; Const_int c2] ->
|
|
| 233 |
Const_int (int_arith_op op c1 c2) |
|
| 234 |
| ("+"|"-"|"*"|"/"), [Const_real c1; Const_real c2] ->
|
|
| 235 |
Const_real (real_arith_op op c1 c2) |
|
| 236 |
| "uminus", [Const_int c] -> Const_int (-c) |
|
| 237 |
| "uminus", [Const_real c] -> Const_real (Real.uminus c) |
|
| 238 |
| rel_fun, [Const_int c1; Const_int c2] |
|
| 239 |
when List.mem rel_fun rel_funs -> |
|
| 240 |
if int_rel_op op c1 c2 then |
|
| 241 |
Const_tag tag_true |
|
| 242 |
else |
|
| 243 |
Const_tag tag_false |
|
| 244 |
| rel_fun, [Const_real c1; Const_real c2] |
|
| 245 |
when List.mem rel_fun rel_funs -> |
|
| 246 |
if real_rel_op op c1 c2 then |
|
| 247 |
Const_tag tag_true |
|
| 248 |
else |
|
| 249 |
Const_tag tag_false |
|
| 250 |
| "=", [Const_tag t1; Const_tag t2] |
|
| 251 |
-> |
|
| 252 |
if t1 = t2 then |
|
| 253 |
Const_tag tag_true |
|
| 254 |
else |
|
| 255 |
Const_tag tag_false |
|
| 256 |
| "!=", [Const_tag t1; Const_tag t2] |
|
| 257 |
-> |
|
| 258 |
if t1 = t2 then |
|
| 259 |
Const_tag tag_false |
|
| 260 |
else |
|
| 261 |
Const_tag tag_true |
|
| 262 |
| "not", [Const_tag c] -> Const_tag( if c = tag_true then tag_false else if c = tag_false then tag_true else assert false) |
|
| 263 |
| bool_fun, [Const_tag c1; Const_tag c2] |
|
| 264 |
when List.mem bool_fun bool_funs -> |
|
| 265 |
eval_bool_fun bool_fun c1 c2 |
|
| 266 |
| _ -> let loc= e.expr_loc in |
|
| 267 |
let err =Error.Unbound_symbol (op ^ (string_of_bool (List.mem op rel_funs)) ^ " in basic library") in |
|
| 268 |
raise (Error.Error (loc, err)) |
|
| 319 |
| ("+" | "-" | "*" | "/" | "mod"), [ Const_int c1; Const_int c2 ] ->
|
|
| 320 |
Const_int (int_arith_op op c1 c2) |
|
| 321 |
| ("+" | "-" | "*" | "/"), [ Const_real c1; Const_real c2 ] ->
|
|
| 322 |
Const_real (real_arith_op op c1 c2) |
|
| 323 |
| "uminus", [ Const_int c ] -> |
|
| 324 |
Const_int (-c) |
|
| 325 |
| "uminus", [ Const_real c ] -> |
|
| 326 |
Const_real (Real.uminus c) |
|
| 327 |
| rel_fun, [ Const_int c1; Const_int c2 ] when List.mem rel_fun rel_funs |
|
| 328 |
-> |
|
| 329 |
if int_rel_op op c1 c2 then Const_tag tag_true else Const_tag tag_false |
|
| 330 |
| rel_fun, [ Const_real c1; Const_real c2 ] when List.mem rel_fun rel_funs |
|
| 331 |
-> |
|
| 332 |
if real_rel_op op c1 c2 then Const_tag tag_true else Const_tag tag_false |
|
| 333 |
| "=", [ Const_tag t1; Const_tag t2 ] -> |
|
| 334 |
if t1 = t2 then Const_tag tag_true else Const_tag tag_false |
|
| 335 |
| "!=", [ Const_tag t1; Const_tag t2 ] -> |
|
| 336 |
if t1 = t2 then Const_tag tag_false else Const_tag tag_true |
|
| 337 |
| "not", [ Const_tag c ] -> |
|
| 338 |
Const_tag |
|
| 339 |
(if c = tag_true then tag_false |
|
| 340 |
else if c = tag_false then tag_true |
|
| 341 |
else assert false) |
|
| 342 |
| bool_fun, [ Const_tag c1; Const_tag c2 ] |
|
| 343 |
when List.mem bool_fun bool_funs -> |
|
| 344 |
eval_bool_fun bool_fun c1 c2 |
|
| 345 |
| _ -> |
|
| 346 |
let loc = e.expr_loc in |
|
| 347 |
let err = |
|
| 348 |
Error.Unbound_symbol |
|
| 349 |
(op ^ string_of_bool (List.mem op rel_funs) ^ " in basic library") |
|
| 350 |
in |
|
| 351 |
raise (Error.Error (loc, err)) |
|
| 269 | 352 |
in |
| 270 |
Expr_const new_cst
|
|
| 271 |
)
|
|
| 272 |
| op, el -> ( (* at least one of the arguments is non constant *)
|
|
| 353 |
Expr_const new_cst |
|
| 354 |
| op, el -> (
|
|
| 355 |
(* at least one of the arguments is non constant *)
|
|
| 273 | 356 |
match op, el with |
| 274 |
| "+", [e0; e] when is_zero e0 -> |
|
| 275 |
e.expr_desc |
|
| 276 |
| "+", [e; e0] when is_zero e0 -> |
|
| 277 |
e.expr_desc |
|
| 278 |
| "-", [e; e0] when is_zero e0 -> |
|
| 279 |
e.expr_desc |
|
| 280 |
| "-", [e0; e] when is_zero e0 -> |
|
| 281 |
Expr_appl("uminus", e, None)
|
|
| 282 |
| ("*"|"/"), [e0; _] when is_zero e0 -> e0.expr_desc
|
|
| 283 |
| "*", [_; e0] when is_zero e0 -> e0.expr_desc |
|
| 284 |
| "*", [e1; e] when is_one e1 -> e.expr_desc |
|
| 285 |
| "/", [e; e1] when is_one e1 -> e.expr_desc |
|
| 286 |
| "&&", [efalse; _] when is_false efalse -> |
|
| 287 |
Expr_const (Const_tag tag_false) |
|
| 288 |
| "&&", [_; efalse] when is_false efalse -> |
|
| 289 |
Expr_const (Const_tag tag_false) |
|
| 290 |
| "||", [etrue; _] when is_true etrue -> |
|
| 291 |
Expr_const (Const_tag tag_true) |
|
| 292 |
| "||", [_; etrue] when is_true etrue -> |
|
| 293 |
Expr_const (Const_tag tag_true) |
|
| 294 |
| "impl", [efalse; _] when is_false efalse -> |
|
| 295 |
Expr_const (Const_tag tag_true) |
|
| 357 |
| "+", [ e0; e ] when is_zero e0 -> |
|
| 358 |
e.expr_desc |
|
| 359 |
| "+", [ e; e0 ] when is_zero e0 -> |
|
| 360 |
e.expr_desc |
|
| 361 |
| "-", [ e; e0 ] when is_zero e0 -> |
|
| 362 |
e.expr_desc |
|
| 363 |
| "-", [ e0; e ] when is_zero e0 -> |
|
| 364 |
Expr_appl ("uminus", e, None)
|
|
| 365 |
| ("*" | "/"), [ e0; _ ] when is_zero e0 ->
|
|
| 366 |
e0.expr_desc |
|
| 367 |
| "*", [ _; e0 ] when is_zero e0 -> |
|
| 368 |
e0.expr_desc |
|
| 369 |
| "*", [ e1; e ] when is_one e1 -> |
|
| 370 |
e.expr_desc |
|
| 371 |
| "/", [ e; e1 ] when is_one e1 -> |
|
| 372 |
e.expr_desc |
|
| 373 |
| "&&", [ efalse; _ ] when is_false efalse -> |
|
| 374 |
Expr_const (Const_tag tag_false) |
|
| 375 |
| "&&", [ _; efalse ] when is_false efalse -> |
|
| 376 |
Expr_const (Const_tag tag_false) |
|
| 377 |
| "||", [ etrue; _ ] when is_true etrue -> |
|
| 378 |
Expr_const (Const_tag tag_true) |
|
| 379 |
| "||", [ _; etrue ] when is_true etrue -> |
|
| 380 |
Expr_const (Const_tag tag_true) |
|
| 381 |
| "impl", [ efalse; _ ] when is_false efalse -> |
|
| 382 |
Expr_const (Const_tag tag_true) |
|
| 296 | 383 |
| _ -> |
| 297 |
Expr_appl(op, e, opt) |
|
| 298 |
) |
|
| 299 |
(* Local Variables: *) |
|
| 300 |
(* compile-command:"make -C .." *) |
|
| 301 |
(* End: *) |
|
| 384 |
Expr_appl (op, e, opt)) |
|
| 302 | 385 |
|
| 386 |
(* Local Variables: *) |
|
| 387 |
(* compile-command:"make -C .." *) |
|
| 388 |
(* End: *) |
|
| 303 | 389 |
|
| 304 | 390 |
let _ = |
| 305 | 391 |
(* Loading environement *) |
Also available in: Unified diff
reformatting