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config_parse.mly
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config_parse.mly
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/**************************************************************************/
/* */
/* Headache */
/* */
/* Vincent Simonet, Projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 2002 */
/* Institut National de Recherche en Informatique et en Automatique. */
/* All rights reserved. This file is distributed under the terms of */
/* the GNU Library General Public License. */
/* */
/* [email protected] http://cristal.inria.fr/~simonet/ */
/* */
/**************************************************************************/
%{
open Printf
type entry =
| EntryModel of Model.generator
| EntrySkip of Skip.param_skip list
;;
(* Dispatch entry considering if it is a skip or a model.
* List returned are reversed considering their initial order.
*)
let rec dispatch_entry acc_model acc_skip lst =
match lst with
| (rg_filename, EntryModel mdl) :: tl ->
dispatch_entry ((rg_filename, mdl) :: acc_model) acc_skip tl
| (rg_filename, EntrySkip rg_skip_lst) :: tl ->
let nacc_skip =
List.fold_left
(fun nacc_skip rg_skip -> (rg_filename, rg_skip) :: nacc_skip)
acc_skip
rg_skip_lst
in
dispatch_entry acc_model nacc_skip tl
| [] ->
acc_model, acc_skip
%}
%token ARROW
%token COLON
%token EOF
%token PIPE
%token <string> STRING
%start configfile
%type <((Str.regexp * Model.generator) list) * ((Str.regexp * Skip.param_skip) list)> configfile
%start boot
%type <(string * string * (string * string) list) list> boot
%%
configfile:
opt_pipe item_list EOF { dispatch_entry [] [] $2 }
;
opt_pipe:
/*empty*/ { () }
| PIPE { () }
;
item_list:
item { $1 :: [] }
| item_list PIPE item { $3 :: $1 }
;
item:
STRING ARROW STRING parameters
{
let regexp =
try
Str.regexp ("^" ^ $1 ^ "$")
with
Failure msg ->
raise (Config.Error (sprintf "Illegal regexp: %s" msg,
Parsing.rhs_start 1, Parsing.rhs_end 1))
in
if $3 = "skip" then
let fun_parameters (id, str) =
if id = "match" then
try
false,Str.regexp ("^" ^ str ^ "$")
with
Failure msg ->
raise (Config.Error (sprintf "Illegal regexp: %s" msg,
Parsing.rhs_start 1, Parsing.rhs_end 1))
else if id = "multiline_match" then
try
true,(Str.regexp ("^" ^ str ^ "$"))
with
Failure msg ->
raise (Config.Error (sprintf "Illegal regexp: %s" msg,
Parsing.rhs_start 1, Parsing.rhs_end 1))
else
raise (Config.Error (sprintf "Unkown option '%s' for skip" id,
Parsing.rhs_start 3, Parsing.rhs_end 3))
in
let skip_lst =
List.map fun_parameters (List.rev $4)
in
regexp, (EntrySkip skip_lst)
else
let model =
try
Model.find $3
with
Not_found ->
raise (Config.Error (sprintf "Unknown model: %s" $3,
Parsing.rhs_start 3, Parsing.rhs_end 3))
in
let generator =
try
model (List.rev $4)
with
Model.Error msg ->
raise (Config.Error (msg,
Parsing.rhs_start 3, Parsing.rhs_end 4))
in
regexp, (EntryModel generator)
}
;
parameters:
/*empty*/ { [] }
| parameters STRING COLON STRING { ($2, $4) :: $1 }
;
/***************************************************************************/
boot:
opt_pipe boot_item_list EOF { List.rev $2 }
;
boot_item_list:
boot_item { $1 :: [] }
| boot_item_list PIPE boot_item { $3 :: $1 }
;
boot_item:
STRING ARROW STRING parameters { $1, $3, $4 }
;