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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(*i $Id$ i*)
{
open Filename
open Lexing
type mL_token = Use_module of string
type spec = bool
type coq_token =
| Require of string list list
| RequireString of string
| Declare of string list
| Load of string
let comment_depth = ref 0
exception Fin_fichier
let module_current_name = ref []
let module_names = ref []
let ml_module_name = ref ""
let mllist = ref ([] : string list)
let field_name s = String.sub s 1 (String.length s - 1)
}
let space = [' ' '\t' '\n' '\r']
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']+
let coq_field = '.'['a'-'z' '_' '0'-'9' 'A'-'Z']+
let caml_up_ident = uppercase identchar*
let caml_low_ident = lowercase identchar*
let dot = '.' ( space+ | eof)
rule coq_action = parse
| "Require" space+
{ module_names := []; opened_file lexbuf }
| "Require" space+ "Export" space+
{ module_names := []; opened_file lexbuf}
| "Require" space+ "Import" space+
{ module_names := []; opened_file lexbuf}
| "Local"? "Declare" space+ "ML" space+ "Module" space+
{ mllist := []; modules lexbuf}
| "Load" space+
{ load_file 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
| space +
{ caml_action lexbuf }
| "open" space* (caml_up_ident as id)
{ Use_module (String.uncapitalize id) }
| "module" space+ caml_up_ident
{ caml_action lexbuf }
| caml_low_ident { caml_action lexbuf }
| caml_up_ident
{ ml_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 load_file = parse
| '"' [^ '"']* '"' (*'"'*)
{ let s = lexeme lexbuf in
let f = String.sub s 1 (String.length s - 2) in
skip_to_dot lexbuf;
Load (if check_suffix f ".v" then chop_suffix f ".v" else f) }
| coq_ident
{ let s = lexeme lexbuf in skip_to_dot lexbuf; Load s }
| eof
{ raise Fin_fichier }
| _
{ load_file lexbuf }
and skip_to_dot = parse
| dot { () }
| eof { () }
| _ { skip_to_dot lexbuf }
and opened_file = parse
| "(*" (* "*)" *) { comment_depth := 1; comment lexbuf; opened_file lexbuf }
| space+
{ opened_file lexbuf }
| coq_ident
{ module_current_name := [Lexing.lexeme lexbuf];
opened_file_fields lexbuf }
| '"' [^'"']* '"' { (*'"'*)
let lex = Lexing.lexeme lexbuf in
let str = String.sub lex 1 (String.length lex - 2) in
let str =
if Filename.check_suffix str ".v" then
Filename.chop_suffix str ".v"
else str in
RequireString str }
| eof { raise Fin_fichier }
| _ { opened_file lexbuf }
and opened_file_fields = parse
| "(*" (* "*)" *)
{ comment_depth := 1; comment lexbuf;
opened_file_fields lexbuf }
| space+
{ opened_file_fields lexbuf }
| coq_field
{ module_current_name :=
field_name (Lexing.lexeme lexbuf) :: !module_current_name;
opened_file_fields lexbuf }
| coq_ident { module_names :=
List.rev !module_current_name :: !module_names;
module_current_name := [Lexing.lexeme lexbuf];
opened_file_fields lexbuf }
| dot { module_names :=
List.rev !module_current_name :: !module_names;
Require (List.rev !module_names) }
| eof { raise Fin_fichier }
| _ { opened_file_fields 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 !ml_module_name) }
| eof { raise Fin_fichier }
| _ { caml_action lexbuf }
and mllib_list = parse
| coq_ident { let s = String.uncapitalize (Lexing.lexeme lexbuf)
in s :: mllib_list lexbuf }
| space+ { mllib_list lexbuf }
| eof { [] }
|
