+++ /dev/null
-(* Copyright (C) 2004-2005, HELM Team.
- *
- * This file is part of HELM, an Hypertextual, Electronic
- * Library of Mathematics, developed at the Computer Science
- * Department, University of Bologna, Italy.
- *
- * HELM is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * HELM is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with HELM; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- *
- * For details, see the HELM World-Wide-Web page,
- * http://helm.cs.unibo.it/
- *)
-
-open Printf
-
-module Ast = CicNotationPt
-module Env = CicNotationEnv
-
- (* when set to true debugging information, not in sync with input syntax, will
- * be added to the output of pp_term.
- * set to false if you need, for example, cut and paste from matitac output to
- * matitatop *)
-let debug_printing = true
-
-let pp_binder = function
- | `Lambda -> "lambda"
- | `Pi -> "Pi"
- | `Exists -> "exists"
- | `Forall -> "forall"
-
-let pp_literal =
- if debug_printing then
- (function (* debugging version *)
- | `Symbol s -> sprintf "symbol(%s)" s
- | `Keyword s -> sprintf "keyword(%s)" s
- | `Number s -> sprintf "number(%s)" s)
- else
- (function
- | `Symbol s
- | `Keyword s
- | `Number s -> s)
-
-let pp_assoc =
- function
- | Gramext.NonA -> "NonA"
- | Gramext.LeftA -> "LeftA"
- | Gramext.RightA -> "RightA"
-
-let pp_pos =
- function
-(* `None -> "`None" *)
- | `Left -> "`Left"
- | `Right -> "`Right"
- | `Inner -> "`Inner"
-
-let pp_attribute =
- function
- | `IdRef id -> sprintf "x(%s)" id
- | `XmlAttrs attrs ->
- sprintf "X(%s)"
- (String.concat ";"
- (List.map (fun (_, n, v) -> sprintf "%s=%s" n v) attrs))
- | `Level (prec, assoc) -> sprintf "L(%d%s)" prec (pp_assoc assoc)
- | `Raw _ -> "R"
- | `Loc _ -> "@"
- | `ChildPos p -> sprintf "P(%s)" (pp_pos p)
-
-let rec pp_term ?(pp_parens = true) t =
- let t_pp =
- match t with
- | Ast.AttributedTerm (attr, term) when debug_printing ->
- sprintf "%s[%s]" (pp_attribute attr) (pp_term ~pp_parens:false term)
- | Ast.AttributedTerm (`Raw text, _) -> text
- | Ast.AttributedTerm (_, term) -> pp_term ~pp_parens:false term
- | Ast.Appl terms ->
- sprintf "%s" (String.concat " " (List.map pp_term terms))
- | Ast.Binder (`Forall, (Ast.Ident ("_", None), typ), body)
- | Ast.Binder (`Pi, (Ast.Ident ("_", None), typ), body) ->
- sprintf "%s \\to %s"
- (match typ with None -> "?" | Some typ -> pp_term typ)
- (pp_term body)
- | Ast.Binder (kind, var, body) ->
- sprintf "\\%s %s.%s" (pp_binder kind) (pp_capture_variable var)
- (pp_term body)
- | Ast.Case (term, indtype, typ, patterns) ->
- sprintf "%smatch %s%s with %s"
- (match typ with None -> "" | Some t -> sprintf "[%s]" (pp_term t))
- (pp_term term)
- (match indtype with
- | None -> ""
- | Some (ty, href_opt) ->
- sprintf " in %s%s" ty
- (match debug_printing, href_opt with
- | true, Some uri ->
- sprintf "(i.e.%s)" (UriManager.string_of_uri uri)
- | _ -> ""))
- (pp_patterns patterns)
- | Ast.Cast (t1, t2) -> sprintf "(%s: %s)" (pp_term t1) (pp_term t2)
- | Ast.LetIn (var, t1, t2) ->
- sprintf "let %s = %s in %s" (pp_capture_variable var) (pp_term t1)
- (pp_term t2)
- | Ast.LetRec (kind, definitions, term) ->
- sprintf "let %s %s in %s"
- (match kind with `Inductive -> "rec" | `CoInductive -> "corec")
- (String.concat " and "
- (List.map
- (fun (var, body, _) ->
- sprintf "%s = %s" (pp_capture_variable var) (pp_term body))
- definitions))
- (pp_term term)
- | Ast.Ident (name, Some []) | Ast.Ident (name, None)
- | Ast.Uri (name, Some []) | Ast.Uri (name, None) ->
- name
- | Ast.Ident (name, Some substs)
- | Ast.Uri (name, Some substs) ->
- sprintf "%s \\subst [%s]" name (pp_substs substs)
- | Ast.Implicit -> "?"
- | Ast.Meta (index, substs) ->
- sprintf "%d[%s]" index
- (String.concat "; "
- (List.map (function None -> "_" | Some t -> pp_term t) substs))
- | Ast.Num (num, _) -> num
- | Ast.Sort `Set -> "Set"
- | Ast.Sort `Prop -> "Prop"
- | Ast.Sort (`Type _) -> "Type"
- | Ast.Sort `CProp -> "CProp"
- | Ast.Symbol (name, _) -> "'" ^ name
-
- | Ast.UserInput -> ""
-
- | Ast.Literal l -> pp_literal l
- | Ast.Layout l -> pp_layout l
- | Ast.Magic m -> pp_magic m
- | Ast.Variable v -> pp_variable v
- in
- if pp_parens then sprintf "(%s)" t_pp
- else t_pp
-
-and pp_subst (name, term) = sprintf "%s \\Assign %s" name (pp_term term)
-and pp_substs substs = String.concat "; " (List.map pp_subst substs)
-
-and pp_pattern ((head, href, vars), term) =
- let head_pp =
- head ^
- (match debug_printing, href with
- | true, Some uri -> sprintf "(i.e.%s)" (UriManager.string_of_uri uri)
- | _ -> "")
- in
- sprintf "%s \\Rightarrow %s"
- (match vars with
- | [] -> head_pp
- | _ ->
- sprintf "(%s %s)" head_pp
- (String.concat " " (List.map pp_capture_variable vars)))
- (pp_term term)
-
-and pp_patterns patterns =
- sprintf "[%s]" (String.concat " | " (List.map pp_pattern patterns))
-
-and pp_capture_variable = function
- | term, None -> pp_term term
- | term, Some typ -> "(" ^ pp_term term ^ ": " ^ pp_term typ ^ ")"
-
-and pp_box_spec (kind, spacing, indent) =
- let int_of_bool b = if b then 1 else 0 in
- let kind_string =
- match kind with
- Ast.H -> "H" | Ast.V -> "V" | Ast.HV -> "HV" | Ast.HOV -> "HOV"
- in
- sprintf "%sBOX%d%d" kind_string (int_of_bool spacing) (int_of_bool indent)
-
-and pp_layout = function
- | Ast.Sub (t1, t2) -> sprintf "%s \\SUB %s" (pp_term t1) (pp_term t2)
- | Ast.Sup (t1, t2) -> sprintf "%s \\SUP %s" (pp_term t1) (pp_term t2)
- | Ast.Below (t1, t2) -> sprintf "%s \\BELOW %s" (pp_term t1) (pp_term t2)
- | Ast.Above (t1, t2) -> sprintf "%s \\ABOVE %s" (pp_term t1) (pp_term t2)
- | Ast.Over (t1, t2) -> sprintf "[%s \\OVER %s]" (pp_term t1) (pp_term t2)
- | Ast.Atop (t1, t2) -> sprintf "[%s \\ATOP %s]" (pp_term t1) (pp_term t2)
- | Ast.Frac (t1, t2) -> sprintf "\\FRAC %s %s" (pp_term t1) (pp_term t2)
- | Ast.Sqrt t -> sprintf "\\SQRT %s" (pp_term t)
- | Ast.Root (arg, index) ->
- sprintf "\\ROOT %s \\OF %s" (pp_term index) (pp_term arg)
- | Ast.Break -> "\\BREAK"
-(* | Space -> "\\SPACE" *)
- | Ast.Box (box_spec, terms) ->
- sprintf "\\%s [%s]" (pp_box_spec box_spec)
- (String.concat " " (List.map pp_term terms))
- | Ast.Group terms ->
- sprintf "\\GROUP [%s]" (String.concat " " (List.map pp_term terms))
-
-and pp_magic = function
- | Ast.List0 (t, sep_opt) ->
- sprintf "list0 %s%s" (pp_term t) (pp_sep_opt sep_opt)
- | Ast.List1 (t, sep_opt) ->
- sprintf "list1 %s%s" (pp_term t) (pp_sep_opt sep_opt)
- | Ast.Opt t -> sprintf "opt %s" (pp_term t)
- | Ast.Fold (kind, p_base, names, p_rec) ->
- let acc = match names with acc :: _ -> acc | _ -> assert false in
- sprintf "fold %s %s rec %s %s"
- (pp_fold_kind kind) (pp_term p_base) acc (pp_term p_rec)
- | Ast.Default (p_some, p_none) ->
- sprintf "default %s %s" (pp_term p_some) (pp_term p_none)
- | Ast.If (p_test, p_true, p_false) ->
- sprintf "if %s then %s else %s"
- (pp_term p_test) (pp_term p_true) (pp_term p_false)
- | Ast.Fail -> "fail"
-
-and pp_fold_kind = function
- | `Left -> "left"
- | `Right -> "right"
-
-and pp_sep_opt = function
- | None -> ""
- | Some sep -> sprintf " sep %s" (pp_literal sep)
-
-and pp_variable = function
- | Ast.NumVar s -> "number " ^ s
- | Ast.IdentVar s -> "ident " ^ s
- | Ast.TermVar s -> "term " ^ s
- | Ast.Ascription (t, n) -> assert false
- | Ast.FreshVar n -> "fresh " ^ n
-
-let pp_term t = pp_term ~pp_parens:false t
-
-let rec pp_value = function
- | Env.TermValue t -> sprintf "$%s$" (pp_term t)
- | Env.StringValue s -> sprintf "\"%s\"" s
- | Env.NumValue n -> n
- | Env.OptValue (Some v) -> "Some " ^ pp_value v
- | Env.OptValue None -> "None"
- | Env.ListValue l -> sprintf "[%s]" (String.concat "; " (List.map pp_value l))
-
-let rec pp_value_type =
- function
- | Env.TermType -> "Term"
- | Env.StringType -> "String"
- | Env.NumType -> "Number"
- | Env.OptType t -> "Maybe " ^ pp_value_type t
- | Env.ListType l -> "List " ^ pp_value_type l
-
-let pp_env env =
- String.concat "; "
- (List.map
- (fun (name, (ty, value)) ->
- sprintf "%s : %s = %s" name (pp_value_type ty) (pp_value value))
- env)
-
projects / helm.git / blobdiff