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|
(***********************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA-Rocquencourt & LRI-CNRS-Orsay *)
(* \VV/ *************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(***********************************************************************)
{
(* $Id: *)
open Lexing
type mL_token = Use_module of string
type spec = bool
type coq_token =
| Require of spec * string
| RequireString of spec * string
| Declare of string list
let mlAccu = ref ([] : (string * string * string option) list)
and mliAccu = ref ([] : (string * string * string option) list)
and vAccu = ref ([] : (string * string option) list)
let mlKnown = ref ([] : (string * string option) list)
and mliKnown = ref ([] : (string * string option) list)
and vKnown = ref ([] : (string * string option) list)
and coqlibKnown = ref ([] : (string * string option) list)
let coqlib = ref Coq_config.coqlib
let (dep_tab : (string,string list) Hashtbl.t) = Hashtbl.create 151
let addQueue q v = q := v :: !q
let file_name = function
| (s,None) -> s
| (s,Some ".") -> s
| (s,Some d) -> Filename.concat d s
let comment_depth = ref 0
exception Fin_fichier
let module_name = ref ""
let specif = ref false
let mllist = ref ([] : string list)
}
let space = [' ' '\t' '\n']
let lowercase = ['a'-'z' '\223'-'\246' '\248'-'\255']
let uppercase = ['A'-'Z' '\192'-'\214' '\216'-'\222']
let identchar =
['A'-'Z' 'a'-'z' '_' '\192'-'\214' '\216'-'\246' '\248'-'\255' '\'' '0'-'9']
let coq_ident = ['a'-'z' '_' '0'-'9' 'A'-'Z']+
rule coq_action = parse
| "Require" space+
{ specif := false; opened_file lexbuf }
| "Require" space+ "Export" space+
{ specif := false; opened_file lexbuf}
| "Require" space+ "Syntax" space+
{ specif := false; opened_file lexbuf}
| "Require" space+ "Import" space+
{ specif := false; opened_file lexbuf}
| "Declare" space+ "ML" space+ "Module" space+
{ mllist := []; modules lexbuf}
| "\""
{ string lexbuf; coq_action lexbuf}
| "(*"
{ comment_depth := 1; comment lexbuf; coq_action lexbuf }
| eof { raise Fin_fichier}
| _ { coq_action lexbuf }
and caml_action = parse
| [' ' '\010' '\013' '\009' '\012'] +
{ caml_action lexbuf }
| "open" [' ' '\010' '\013' '\009' '\012']*
{ caml_opened_file lexbuf }
| lowercase identchar*
{ caml_action lexbuf }
| uppercase identchar*
{ module_name := Lexing.lexeme lexbuf;
qual_id lexbuf }
| ['0'-'9']+
| '0' ['x' 'X'] ['0'-'9' 'A'-'F' 'a'-'f']+
| '0' ['o' 'O'] ['0'-'7']+
| '0' ['b' 'B'] ['0'-'1']+
{ caml_action lexbuf }
| ['0'-'9']+ ('.' ['0'-'9']*)? (['e' 'E'] ['+' '-']? ['0'-'9']+)?
{ caml_action lexbuf }
| "\""
{ string lexbuf; caml_action lexbuf }
| "'" [^ '\\' '\''] "'"
{ caml_action lexbuf }
| "'" '\\' ['\\' '\'' 'n' 't' 'b' 'r'] "'"
{ caml_action lexbuf }
| "'" '\\' ['0'-'9'] ['0'-'9'] ['0'-'9'] "'"
{ caml_action lexbuf }
| "(*"
{ comment_depth := 1; comment lexbuf; caml_action lexbuf }
| "#" | "&" | "&&" | "'" | "(" | ")" | "*" | "," | "?" | "->" | "." | ".."
| ".(" | ".[" | ":" | "::" | ":=" | ";" | ";;" | "<-" | "=" | "[" | "[|"
| "[<" | "]" | "_" | "{" | "|" | "||" | "|]" | ">]" | "}" | "!=" | "-"
| "-." { caml_action lexbuf }
| ['!' '?' '~']
['!' '$' '%' '&' '*' '+' '-' '.' '/' ':' '<' '=' '>' '?' '@' '^' '|' '~'] *
{ caml_action lexbuf }
| ['=' '<' '>' '@' '^' '|' '&' '$']
['!' '$' '%' '&' '*' '+' '-' '.' '/' ':' '<' '=' '>' '?' '@' '^' '|' '~'] *
{ caml_action lexbuf }
| ['+' '-']
['!' '$' '%' '&' '*' '+' '-' '.' '/' ':' '<' '=' '>' '?' '@' '^' '|' '~'] *
{ caml_action lexbuf }
| "**"
['!' '$' '%' '&' '*' '+' '-' '.' '/' ':' '<' '=' '>' '?' '@' '^' '|' '~'] *
{ caml_action lexbuf }
| ['*' '/' '%']
['!' '$' '%' '&' '*' '+' '-' '.' '/' ':' '<' '=' '>' '?' '@' '^' '|' '~'] *
{ caml_action lexbuf }
| eof { raise Fin_fichier }
| _ { caml_action lexbuf }
and comment = parse
| "(*"
{ comment_depth := succ !comment_depth; comment lexbuf }
| "*)"
{ comment_depth := pred !comment_depth;
if !comment_depth > 0 then comment lexbuf }
| "'" [^ '\\' '\''] "'"
{ comment lexbuf }
| "'" '\\' ['\\' '\'' 'n' 't' 'b' 'r'] "'"
{ comment lexbuf }
| "'" '\\' ['0'-'9'] ['0'-'9'] ['0'-'9'] "'"
{ comment lexbuf }
| eof
{ raise Fin_fichier }
| _ { comment lexbuf }
and string = parse
| '"'
{ () }
| '\\' ("\010" | "\013" | "\010\013") [' ' '\009'] *
{ string lexbuf }
| '\\' ['\\' '"' 'n' 't' 'b' 'r']
{ string lexbuf }
| '\\' ['0'-'9'] ['0'-'9'] ['0'-'9']
{ string lexbuf }
| eof
{ raise Fin_fichier }
| _
{ string lexbuf }
and opened_file = parse
| "(*" { comment_depth := 1; comment lexbuf; opened_file lexbuf }
| space+
{ opened_file lexbuf }
| "Implementation"
{ opened_file lexbuf }
| "Specification"
{ specif := true; opened_file lexbuf }
| coq_ident
{ module_name := (Lexing.lexeme lexbuf);
opened_file_end lexbuf }
and opened_file_end = parse
| '.' { Require (!specif, !module_name) }
| space+ { opened_file_end lexbuf }
| "(*" { comment_depth := 1; comment lexbuf;
opened_file_end lexbuf }
| '"' [^'"']* '"' { let lex = Lexing.lexeme lexbuf in
let str = String.sub lex 1 (String.length lex - 2) in
RequireString (!specif, str) }
| eof { raise Fin_fichier }
| _ { opened_file_end lexbuf }
and modules = parse
| space+ { modules lexbuf }
| "(*" { comment_depth := 1; comment lexbuf;
modules lexbuf }
| '"' [^'"']* '"'
{ let lex = (Lexing.lexeme lexbuf) in
let str = String.sub lex 1 (String.length lex - 2) in
mllist := str :: !mllist; modules lexbuf }
| _ { (Declare (List.rev !mllist)) }
and qual_id = parse
| '.' [^ '.' '(' '['] { Use_module (String.uncapitalize !module_name) }
| eof { raise Fin_fichier }
| _ { caml_action lexbuf }
and caml_opened_file = parse
| uppercase identchar*
{ let lex = (Lexing.lexeme lexbuf) in
let str = String.sub lex 0 (String.length lex) in
(Use_module (String.uncapitalize str)) }
| eof {raise Fin_fichier }
| _ { caml_action lexbuf }
|
