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why3
Commit d0481705 authored by Andrei Paskevich's avatar Andrei Paskevich
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Mlw: "label <uident> in", "<expr> at <uident>", "old <expr>"

parent 5c8c603b
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Showing with 197 additions and 172 deletions
share/emacs/why3.el
View file @ d0481705
......@@ -29,7 +29,7 @@
'("(\\*\\([^*)]\\([^*]\\|\\*[^)]\\)*\\)?\\*)" . font-lock-comment-face)
; '("{}\\|{[^|]\\([^}]*\\)}" . font-lock-type-face)
`(,(why3-regexp-opt '("invariant" "variant" "diverges" "requires" "ensures" "returns" "raises" "reads" "writes" "assert" "assume" "check")) . font-lock-type-face)
`(,(why3-regexp-opt '("use" "clone" "namespace" "import" "export" "coinductive" "inductive" "external" "constant" "function" "predicate" "val" "exception" "axiom" "lemma" "goal" "type" "mutable" "model" "abstract" "private" "any" "match" "let" "rec" "in" "if" "then" "else" "begin" "end" "while" "for" "to" "downto" "do" "done" "loop" "absurd" "ghost" "raise" "try" "with" "theory" "uses" "module" "converter" "fun")) . font-lock-keyword-face)
`(,(why3-regexp-opt '("use" "clone" "namespace" "import" "export" "coinductive" "inductive" "external" "constant" "function" "predicate" "val" "exception" "axiom" "lemma" "goal" "type" "mutable" "model" "abstract" "private" "any" "match" "let" "rec" "in" "if" "then" "else" "begin" "end" "while" "for" "to" "downto" "do" "done" "loop" "absurd" "ghost" "raise" "try" "with" "theory" "uses" "module" "converter" "fun" "at" "old" "true" "false" "forall" "exists" "label")) . font-lock-keyword-face)
)
"Minimal highlighting for Why3 mode")
......
share/lang/why3.lang
View file @ d0481705
......@@ -157,6 +157,7 @@ on linking described in file LICENSE.
-->
<context id="keywords" style-ref="meta-keyword">
<keyword>abstract</keyword>
<keyword>as</keyword>
<keyword>axiom</keyword>
<keyword>clone</keyword>
<keyword>coinductive</keyword>
......@@ -170,11 +171,12 @@ on linking described in file LICENSE.
<keyword>import</keyword>
<keyword>inductive</keyword>
<keyword>lemma</keyword>
<keyword>meta</keyword>
<keyword>mutable</keyword>
<keyword>module</keyword>
<keyword>namespace</keyword>
<keyword>predicate</keyword>
<keyword>private</keyword>
<keyword>scope</keyword>
<keyword>theory</keyword>
<keyword>type</keyword>
<keyword>use</keyword>
......@@ -182,6 +184,7 @@ on linking described in file LICENSE.
<keyword>with</keyword>
</context>
<context id="meta-words" style-ref="keyword">
<keyword>any</keyword>
<keyword>begin</keyword>
<keyword>do</keyword>
<keyword>done</keyword>
......@@ -190,11 +193,14 @@ on linking described in file LICENSE.
<keyword>exists</keyword>
<keyword>for</keyword>
<keyword>forall</keyword>
<keyword>fun</keyword>
<keyword>if</keyword>
<keyword>in</keyword>
<keyword>label</keyword>
<keyword>let</keyword>
<keyword>loop</keyword>
<keyword>match</keyword>
<keyword>not</keyword>
<keyword>raise</keyword>
<keyword>rec</keyword>
<keyword>then</keyword>
......@@ -208,10 +214,12 @@ on linking described in file LICENSE.
<keyword>absurd</keyword>
<keyword>assert</keyword>
<keyword>assume</keyword>
<keyword>at</keyword>
<keyword>diverges</keyword>
<keyword>ensures</keyword>
<keyword>check</keyword>
<keyword>invariant</keyword>
<keyword>old</keyword>
<keyword>raises</keyword>
<keyword>reads</keyword>
<keyword>requires</keyword>
......
share/vim/why3.vim
View file @ d0481705
......@@ -43,7 +43,7 @@ syn match whyEndErr "\<end\>"
" Some convenient clusters
syn cluster whyAllErrs contains=whyBraceErr,whyBrackErr,whyParenErr,whyCommentErr,whyCountErr,whyDoErr,whyDoneErr,whyEndErr,whyThenErr,whyTheoryErr,whyModuleErr
syn cluster whyContained contains=whyTodo,whyImport,whyExport,whyTheoryContents,whyModuleContents,whyNamespaceContents,whyModuleKeyword
syn cluster whyContained contains=whyTodo,whyImport,whyExport,whyTheoryContents,whyModuleContents,whyScopeContents,whyModuleKeyword
" ,whyPreDef,whyModParam,whyModParam1,whyPreMPRestr,whyMPRestr,whyMPRestr1,whyMPRestr2,whyMPRestr3,whyModRHS,whyFuncWith,whyFuncStruct,whyModTypeRestr,whyModTRWith,whyWith,whyWithRest,whyModType,whyFullMod,whyVal
" Enclosing delimiters
......@@ -70,18 +70,18 @@ syn region whyNone matchgroup=whyKeyword start="\<if\>" matchgroup=whyKeyword
syn region whyTheory matchgroup=whyKeyword start="\<theory\>" matchgroup=whyModSpec end="\<\u\(\w\|'\)*\>" contains=@whyAllErrs,whyComment skipwhite skipempty nextgroup=whyTheoryContents
syn region whyModule matchgroup=whyKeyword start="\<module\>" matchgroup=whyModSpec end="\<\u\(\w\|'\)*\>" contains=@whyAllErrs,whyComment skipwhite skipempty nextgroup=whyModuleContents
syn region whyNamespace matchgroup=whyKeyword start="\<namespace\>" matchgroup=whyModSpec end="\<\u\(\w\|'\)*\>" contains=@whyAllErrs,whyComment,whyImport skipwhite skipempty nextgroup=whyNamespaceContents
syn region whyScope matchgroup=whyKeyword start="\<scope\>" matchgroup=whyModSpec end="\<\u\(\w\|'\)*\>" contains=@whyAllErrs,whyComment,whyImport skipwhite skipempty nextgroup=whyScopeContents
syn region whyTheoryContents start="^" start="."me=e-1 matchgroup=whyModSpec end="\<end\>" contained contains=ALLBUT,@whyContained,whyEndErr,whyTheory,whyModule
syn region whyModuleContents start="^" start="."me=e-1 matchgroup=whyModSpec end="\<end\>" contained contains=ALLBUT,@whyContained,whyEndErr,whyTheory,whyModule
syn region whyNamespaceContents start="^" start="."me=e-1 matchgroup=whyModSpec end="\<end\>" contained contains=ALLBUT,@whyContained,whyEndErr,whyTheory,whyModule
syn region whyScopeContents start="^" start="."me=e-1 matchgroup=whyModSpec end="\<end\>" contained contains=ALLBUT,@whyContained,whyEndErr,whyTheory,whyModule
syn region whyNone matchgroup=whyKeyword start="\<\(use\|clone\)\>" matchgroup=whyModSpec end="\<\(\w\+\.\)*\u\(\w\|'\)*\>" contains=@whyAllErrs,whyComment,whyString,whyImport,whyExport,whyModuleKeyword
syn keyword whyExport contained export
syn keyword whyImport contained import
syn keyword whyModuleKeyword contained module
syn region whyNone matchgroup=whyKeyword start="\<\(axiom\|lemma\|goal\|prop\)\>" matchgroup=whyNone end="\<\w\(\w\|'\)*\>" contains=@whyAllErrs,whyComment
syn region whyNone matchgroup=whyKeyword start="\<\(axiom\|lemma\|goal\)\>" matchgroup=whyNone end="\<\w\(\w\|'\)*\>" contains=@whyAllErrs,whyComment
syn keyword whyKeyword as constant
syn keyword whyKeyword else epsilon exists
......@@ -92,7 +92,7 @@ syn keyword whyKeyword not predicate
syn keyword whyKeyword then type with
syn keyword whyKeyword any
syn keyword whyKeyword exception fun ghost
syn keyword whyKeyword exception fun ghost label
syn keyword whyKeyword model mutable private
syn keyword whyKeyword raise rec val while
......@@ -102,7 +102,7 @@ syn keyword whyType bool int list map option real
syn keyword whyType array ref unit
syn keyword whySpec absurd assert assume check diverges ensures invariant
syn keyword whySpec raises reads requires returns variant writes
syn keyword whySpec raises reads requires returns variant writes at old
syn match whyConstructor "(\s*)"
syn match whyConstructor "\u\(\w\|'\)*\>"
......@@ -149,8 +149,8 @@ syn sync match whyTheorySync groupthere whyTheory "\<end\>"
syn sync match whyModuleSync grouphere whyModule "\<module\>"
syn sync match whyModuleSync groupthere whyModule "\<end\>"
syn sync match whyNamespaceSync grouphere whyNamespace "\<namespace\>"
syn sync match whyNamespaceSync groupthere whyNamespace "\<end\>"
syn sync match whyScopeSync grouphere whyScope "\<scope\>"
syn sync match whyScopeSync groupthere whyScope "\<end\>"
" Define the default highlighting.
" For version 5.7 and earlier: only when not done already
......
src/mlw/dexpr.ml
View file @ d0481705
......@@ -852,6 +852,7 @@ let env_empty = {
exception UnboundLabel of string
let find_old pvm (ovm,old) v =
if v.pv_ity.ity_pure then v else
let n = v.pv_vs.vs_name.id_string in
(* if v is top-level, both ov and pv are None.
If v is local, ov and pv must be equal to v.
......@@ -882,7 +883,7 @@ let rebase_old {pvm = pvm} preold old fvs =
if not (Mvs.mem o fvs) then sbs else match preold with
| Some preold ->
Mvs.add o (t_var (find_old pvm preold v).pv_vs) sbs
| None -> raise (UnboundLabel "'0") in
| None -> raise (UnboundLabel "0") in
Hpv.fold rebase old Mvs.empty
let rebase_pre env preold old pl =
......@@ -923,8 +924,8 @@ let cty_of_spec env bl dsp dity =
let ity = ity_of_dity dity in
let bl = binders bl in
let env = add_binders env bl in
let preold = Mstr.find_opt "'0" env.old in
let env, old = add_label env "'0" in
let preold = Mstr.find_opt "0" env.old in
let env, old = add_label env "0" in
let dsp = get_later env dsp ity in
let _, eff = effect_of_dspec dsp in
let eff = eff_strong eff in
......@@ -1193,9 +1194,9 @@ and rec_defn uloc env ghost {fds = dfdl} =
and lambda uloc env pvl dsp dvl de =
let env = add_binders env pvl in
let preold = Mstr.find_opt "0" env.old in
let env, old = add_label env "0" in
let e = expr uloc env de in
let preold = Mstr.find_opt "'0" env.old in
let env, old = add_label env "'0" in
let dsp = get_later env dsp e.e_ity in
let dvl = get_later env dvl in
let dvl = rebase_variant env preold old dvl in
......
src/mlw/dexpr.mli
View file @ d0481705
......@@ -58,7 +58,7 @@ exception UnboundLabel of string
type register_old = pvsymbol -> string -> pvsymbol
(** Program variables occurring under [old] or [at] are passed to
a registrar function. The label string must be ['0] for [old]. *)
a registrar function. The label string must be [0] for [old]. *)
type 'a later = pvsymbol Mstr.t -> register_old -> 'a
(** Specification terms are parsed and typechecked after the program
......
src/mlw/expr.ml
View file @ d0481705
......@@ -972,17 +972,20 @@ and print_capp pri s fmt vl = match extract_op s, vl with
and print_cexp exec pri fmt {c_node = n; c_cty = c} = match n with
| Cany when exec && c.cty_args = [] ->
fprintf fmt "@[<hov 2>any %a%a@]" print_ity c.cty_result
(print_spec [] c.cty_pre c.cty_post c.cty_xpost c.cty_effect) None
(print_spec [] c.cty_pre c.cty_post c.cty_xpost
c.cty_oldies c.cty_effect) None
| Cany ->
fprintf fmt "@[<hov 2>any%a@]" print_cty c
fprintf fmt "@[<hov 2>any%a@]" print_cty c;
forget_cty c
| Cfun e when exec && c.cty_args = [] ->
fprintf fmt "@[<hov 2>abstract%a@\n%a@]@\nend"
(print_spec [] c.cty_pre c.cty_post c.cty_xpost eff_empty) None
print_expr e
(print_spec [] c.cty_pre c.cty_post c.cty_xpost
c.cty_oldies eff_empty) None print_expr e
| Cfun e ->
fprintf fmt "@[<hov 2>fun%a ->@\n%a@]"
(print_spec c.cty_args c.cty_pre c.cty_post c.cty_xpost eff_empty) None
print_expr e
(print_spec c.cty_args c.cty_pre c.cty_post c.cty_xpost
c.cty_oldies eff_empty) None print_expr e;
forget_cty c
| Capp (s,[]) when rs_equal s rs_true ->
pp_print_string fmt "true"
| Capp (s,[]) when rs_equal s rs_false ->
......@@ -1011,7 +1014,7 @@ and print_enode pri fmt e = match e.e_node with
fprintf fmt (protect_on (pri > 0) "%a@ in@\n%a")
print_let_defn ld print_expr e;
forget_let_defn ld
| Eif (e0,e1,e2) when is_e_false e1 && is_e_false e2 ->
| Eif (e0,e1,e2) when is_e_false e1 && is_e_true e2 ->
fprintf fmt (protect_on (pri > 4) "not %a") (print_lexpr 4) e0
| Eif (e0,e1,e2) when is_e_false e2 ->
fprintf fmt (protect_on (pri > 3) "@[<hov 1>%a &&@ %a@]")
......@@ -1019,6 +1022,9 @@ and print_enode pri fmt e = match e.e_node with
| Eif (e0,e1,e2) when is_e_true e1 ->
fprintf fmt (protect_on (pri > 2) "@[<hov 1>%a ||@ %a@]")
(print_lexpr 3) e0 (print_lexpr 2) e2
| Eif (e0,e1,e2) when is_e_void e2 ->
fprintf fmt (protect_on (pri > 0) "if %a then %a")
print_expr e0 print_expr e1
| Eif (e0,e1,e2) ->
fprintf fmt (protect_on (pri > 0) "if %a then %a@ else %a")
print_expr e0 print_expr e1 print_expr e2
......@@ -1037,7 +1043,7 @@ and print_enode pri fmt e = match e.e_node with
print_expr e0 (if ghost then ")" else "")
(Pp.print_list Pp.newline print_branch) bl
| Ewhile (d,inv,varl,e) ->
fprintf fmt "@[<hov 2]while %a do%a%a@\n%a@]@\ndone"
fprintf fmt "@[<hov 2>while %a do%a%a@\n%a@]@\ndone"
print_expr d print_invariant inv print_variant varl print_expr e
| Efor (pv,(pvfrom,dir,pvto),inv,e) ->
fprintf fmt "@[<hov 2>for %a =@ %a@ %s@ %a@ %ado@\n%a@]@\ndone"
......@@ -1081,10 +1087,15 @@ and print_let_defn fmt = function
(if v.pv_ghost then "ghost " else "")
print_pv v print_id_labels v.pv_vs.vs_name
(print_lexpr 0 (*4*)) e
| LDsym (s,{c_node = Cfun e; c_cty = c}) ->
| LDsym (s,{c_node = Cfun e; c_cty = ({cty_args = _::_} as c)}) ->
fprintf fmt "@[<hov 2>let %a%a =@\n%a@]"
print_rs_head s print_cty c
(print_lexpr 0 (*4*)) e
(print_lexpr 0 (*4*)) e;
forget_cty c
| LDsym (s,{c_node = Cany; c_cty = ({cty_args = _::_} as c)}) ->
fprintf fmt "@[<hov 2>val %a%a@]"
print_rs_head s print_cty c;
forget_cty c
| LDsym (s,c) ->
fprintf fmt "@[<hov 2>let %a =@\n%a@]"
print_rs_head s
......@@ -1102,26 +1113,8 @@ and print_rec_fun fst fmt fd =
print_rs_head fd.rec_sym
print_cty fd.rec_fun.c_cty
print_variant fd.rec_varl
(print_lexpr 0 (*4*)) e
(*
let print_val_decl fmt = function
| ValV v ->
fprintf fmt "@[<hov 2>val %s%a%a :@ %a@]"
(if v.pv_ghost then "ghost " else "")
print_pv v print_id_labels v.pv_vs.vs_name
print_ity v.pv_ity
| ValS ({rs_logic = RLpv v; rs_cty = c} as s) ->
fprintf fmt "@[<hov 2>val %a%a@]" print_rs_head s
(print_spec c.cty_args c.cty_pre (List.tl c.cty_post) c.cty_xpost
(Spv.remove v c.cty_reads) c.cty_effect) (Some c.cty_result)
| ValS ({rs_logic = RLls _; rs_cty = c} as s) ->
fprintf fmt "@[<hov 2>val %a%a@]" print_rs_head s
(print_spec c.cty_args c.cty_pre (List.tl c.cty_post) c.cty_xpost
c.cty_reads c.cty_effect) (Some c.cty_result)
| ValS s ->
fprintf fmt "@[<hov 2>val %a%a@]" print_rs_head s print_cty s.rs_cty
*)
(print_lexpr 0 (*4*)) e;
forget_cty fd.rec_fun.c_cty
(* exception handling *)
......@@ -1130,10 +1123,4 @@ let () = Exn_printer.register (fun fmt e -> match e with
"Function %a is not a constructor" print_rs s
| FieldExpected s -> fprintf fmt
"Function %a is not a mutable field" print_rs s
(*
| ItyExpected _e -> fprintf fmt
"This expression is not a first-order value"
| CtyExpected _e -> fprintf fmt
"This expression is not a function and cannot be applied"
*)
| _ -> raise e)
src/mlw/ity.ml
View file @ d0481705
......@@ -1175,7 +1175,7 @@ exception FoundPrefix of pvsymbol list
let unknown = create_pvsymbol (id_fresh "?") ity_unit
let print_spec args pre post xpost eff fmt ity =
let print_spec args pre post xpost oldies eff fmt ity =
let dot fmt () = pp_print_char fmt '.' in
let print_pfx reg fmt pfx = fprintf fmt "@[%a:@,%a@]"
(Pp.print_list dot print_pv) pfx print_reg reg in
......@@ -1206,6 +1206,8 @@ let print_spec args pre post xpost eff fmt ity =
(Pp.print_list Pp.comma print_cvr) (Sreg.elements cvr) in
let print_result fmt ity = fprintf fmt " :@ %a" print_ity ity in
let print_pre fmt p = fprintf fmt "@\nrequires { @[%a@] }" print_term p in
let print_old fmt (o,v) =
fprintf fmt "@\nold { %a -> %a }" print_pv o print_pv v in
let print_post fmt q =
let v, q = open_post q in
fprintf str_formatter "%a" print_vs v;
......@@ -1225,18 +1227,24 @@ let print_spec args pre post xpost eff fmt ity =
Pp.print_list_pre Pp.space print_pvty fmt args;
Pp.print_option print_result fmt ity;
if eff.eff_oneway then pp_print_string fmt " diverges";
if not (Spv.is_empty eff.eff_reads) then fprintf fmt "@\nreads { %a }"
(Pp.print_list Pp.comma print_pv) (Spv.elements eff.eff_reads);
let reads = List.fold_right Spv.remove args eff.eff_reads in
if not (Spv.is_empty reads) then fprintf fmt "@\nreads { %a }"
(Pp.print_list Pp.comma print_pv) (Spv.elements reads);
if not (Mreg.is_empty eff.eff_writes) then fprintf fmt "@\nwrites { %a }"
(Pp.print_list Pp.comma print_write) (Mreg.bindings eff.eff_writes);
if not (Mreg.is_empty eff.eff_covers) then fprintf fmt "@\ncovers { %a }"
(Pp.print_list Pp.comma print_raise) (Mreg.bindings eff.eff_covers);
Pp.print_list Pp.nothing print_pre fmt pre;
Pp.print_list Pp.nothing print_old fmt (Mpv.bindings oldies);
Pp.print_list Pp.nothing print_post fmt post;
Pp.print_list Pp.nothing print_xpost fmt (Mexn.bindings xpost)
let print_cty fmt c = print_spec c.cty_args c.cty_pre c.cty_post
c.cty_xpost c.cty_effect fmt (Some c.cty_result)
c.cty_xpost c.cty_oldies c.cty_effect fmt (Some c.cty_result)
let forget_cty c =
List.iter forget_pv c.cty_args;
Mpv.iter (fun v _ -> forget_pv v) c.cty_oldies
(** exception handling *)
......
src/mlw/ity.mli
View file @ d0481705
......@@ -394,6 +394,7 @@ val cty_add_post : cty -> post list -> cty
val forget_reg : region -> unit (* flush id_unique for a region *)
val forget_pv : pvsymbol -> unit (* flush for a program variable *)
val forget_cty : cty -> unit (* forget arguments and oldies *)
val print_its : Format.formatter -> itysymbol -> unit (* type symbol *)
val print_reg : Format.formatter -> region -> unit (* region *)
......@@ -406,5 +407,5 @@ val print_pvty : Format.formatter -> pvsymbol -> unit (* pvsymbol : type *)
val print_cty : Format.formatter -> cty -> unit (* computation type *)
val print_spec :
pvsymbol list -> pre list -> post list -> post list Mexn.t ->
effect -> Format.formatter -> ity option -> unit (* piecemeal cty *)
pvsymbol list -> pre list -> post list -> post list Mexn.t -> pvsymbol Mpv.t
-> effect -> Format.formatter -> ity option -> unit (* piecemeal cty *)
src/parser/lexer.mll
View file @ d0481705
......@@ -46,10 +46,9 @@
"let", LET;
"match", MATCH;
"meta", META;
"scope", SCOPE;
"not", NOT;
"predicate", PREDICATE;
"prop", PROP;
"scope", SCOPE;
"then", THEN;
"theory", THEORY;
"true", TRUE;
......@@ -62,6 +61,7 @@
"any", ANY;
"assert", ASSERT;
"assume", ASSUME;
"at", AT;
"begin", BEGIN;
"check", CHECK;
"diverges", DIVERGES;
......@@ -74,9 +74,10 @@
"fun", FUN;
"ghost", GHOST;
"invariant", INVARIANT;
"loop", LOOP;
"label", LABEL;
"module", MODULE;
"mutable", MUTABLE;
"old", OLD;
"private", PRIVATE;
"raise", RAISE;
"raises", RAISES;
......@@ -158,8 +159,6 @@ rule token = parse
{ Lexlib.comment lexbuf; token lexbuf }
| "'" (lident as id)
{ QUOTE_LIDENT id }
| "'" (uident as id)
{ QUOTE_UIDENT id }
| ","
{ COMMA }
| "("
......
src/parser/parser.mly
View file @ d0481705
......@@ -96,21 +96,21 @@
%token <Ptree.real_constant> FLOAT
%token <string> STRING
%token <Loc.position> POSITION
%token <string> QUOTE_UIDENT QUOTE_LIDENT
%token <string> QUOTE_LIDENT
(* keywords *)
%token AS AXIOM CLONE COINDUCTIVE CONSTANT
%token ELSE END EPSILON EXISTS EXPORT FALSE FORALL FUNCTION
%token GOAL IF IMPORT IN INDUCTIVE LEMMA
%token LET MATCH META NOT PREDICATE PROP SCOPE
%token LET MATCH META NOT PREDICATE SCOPE
%token THEN THEORY TRUE TYPE USE WITH
(* program keywords *)
%token ABSTRACT ABSURD ANY ASSERT ASSUME BEGIN CHECK
%token ABSTRACT ABSURD ANY ASSERT ASSUME AT BEGIN CHECK
%token DIVERGES DO DONE DOWNTO ENSURES EXCEPTION FOR
%token FUN GHOST INVARIANT LOOP MODULE MUTABLE
%token FUN GHOST INVARIANT LABEL MODULE MUTABLE OLD
%token PRIVATE RAISE RAISES READS REC REQUIRES RETURNS
%token TO TRY VAL VARIANT WHILE WRITES
......@@ -147,6 +147,7 @@
%right AND AMPAMP
%nonassoc NOT
%left EQUAL LTGT OP1
%nonassoc AT OLD
%nonassoc LARROW
%nonassoc RIGHTSQ (* stronger than <- for e1[e2 <- e3] *)
%left OP2
......@@ -235,7 +236,9 @@ meta_arg:
| CONSTANT qualid { Mfs $2 }
| FUNCTION qualid { Mfs $2 }
| PREDICATE qualid { Mps $2 }
| PROP qualid { Mpr $2 }
| AXIOM qualid { Max $2 }
| LEMMA qualid { Mlm $2 }
| GOAL qualid { Mgl $2 }
| STRING { Mstr $1 }
| INTEGER { Mint (small_integer $1) }
......@@ -460,6 +463,10 @@ term_:
| Tinfix (l,o,r) -> Tinnfix (l,o,r) | d -> d }
| NOT term
{ Tunop (Tnot, $2) }
| OLD term
{ Tat ($2, mk_id "0" $startpos($1) $endpos($1)) }
| term AT uident
{ Tat ($1, $3) }
| prefix_op term %prec prec_prefix_op
{ Tidapp (Qident $1, [$2]) }
| l = term ; o = bin_op ; r = term
......@@ -515,7 +522,6 @@ term_arg_:
| numeral { Tconst $1 }
| TRUE { Ttrue }
| FALSE { Tfalse }
| quote_uident { Tident (Qident $1) }
| o = oppref ; a = term_arg { Tidapp (Qident o, [a]) }
| term_sub_ { $1 }
......@@ -576,7 +582,7 @@ numeral:
pdecl:
| VAL ghost kind labels(lident_rich) mk_expr(val_defn) { Dlet ($4, $2, $3, $5) }
| LET ghost kind labels(lident_rich) mk_expr(fun_defn) { Dlet ($4, $2, $3, $5) }
| LET ghost kind labels(lident_rich) EQUAL expr { Dlet ($4, $2, $3, $6) }
| LET ghost kind labels(lident_rich) EQUAL seq_expr { Dlet ($4, $2, $3, $6) }
| LET REC with_list1(rec_defn) { Drec $3 }
| EXCEPTION labels(uident) { Dexn ($2, PTtuple []) }
| EXCEPTION labels(uident) ty { Dexn ($2, $3) }
......@@ -624,7 +630,7 @@ expr_:
{ Eand ($1, $3) }
| expr BARBAR expr
{ Eor ($1, $3) }
| NOT expr %prec prec_prefix_op
| NOT expr
{ Enot $2 }
| prefix_op expr %prec prec_prefix_op
{ Eidapp (Qident $1, [$2]) }
......@@ -680,20 +686,18 @@ expr_:
{ Ematch ($2, $4) }
| MATCH comma_list2(expr) WITH match_cases(seq_expr) END
{ Ematch (mk_expr (Etuple $2) $startpos($2) $endpos($2), $4) }
| quote_uident COLON seq_expr
{ Emark ($1, $3) }
| LOOP loop_annotation seq_expr END
{ let inv, var = $2 in Eloop (inv, var, $3) }
| LABEL labels(uident) IN seq_expr
{ Emark ($2, $4) }
| WHILE seq_expr DO loop_annotation seq_expr DONE
{ let inv, var = $4 in Ewhile ($2, inv, var, $5) }
| FOR lident EQUAL seq_expr for_direction seq_expr DO invariant* seq_expr DONE
{ Efor ($2, $4, $5, $6, $8, $9) }
| ABSURD
{ Eabsurd }
| RAISE uqualid
{ Eraise ($2, None) }
| RAISE LEFTPAR uqualid seq_expr RIGHTPAR
{ Eraise ($3, Some $4) }
| RAISE uqualid expr_arg?
{ Eraise ($2, $3) }
| RAISE LEFTPAR uqualid expr_arg? RIGHTPAR
{ Eraise ($3, $4) }
| TRY seq_expr WITH bar_list1(exn_handler) END
{ Etry ($2, $4) }
| GHOST expr
......@@ -847,13 +851,10 @@ ident:
| lident { $1 }
uident:
| UIDENT { mk_id $1 $startpos $endpos }
| UIDENT { mk_id $1 $startpos $endpos }
lident:
| LIDENT { mk_id $1 $startpos $endpos }
quote_uident:
| QUOTE_UIDENT { mk_id ("'" ^ $1) $startpos $endpos }
| LIDENT { mk_id $1 $startpos $endpos }
quote_lident:
| QUOTE_LIDENT { mk_id $1 $startpos $endpos }
......
src/parser/ptree.ml
View file @ d0481705
......@@ -94,6 +94,7 @@ and term_desc =
| Ttuple of term list
| Trecord of (qualid * term) list
| Tupdate of term * (qualid * term) list
| Tat of term * ident
(*s Declarations. *)
......@@ -158,7 +159,9 @@ type metarg =
| Mty of pty
| Mfs of qualid
| Mps of qualid
| Mpr of qualid
| Max of qualid
| Mlm of qualid
| Mgl of qualid
| Mstr of string
| Mint of int
......@@ -209,7 +212,6 @@ and expr_desc =
(* control *)
| Esequence of expr * expr
| Eif of expr * expr * expr
| Eloop of invariant * variant * expr
| Ewhile of expr * invariant * variant * expr
| Eand of expr * expr
| Eor of expr * expr
......
src/parser/typing.ml
View file @ d0481705
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