[hcoop/zz_old/domtool2-proto.git] / src / domtool.grm

(* HCoop Domtool (http://hcoop.sourceforge.net/)
 * Copyright (c) 2006, Adam Chlipala
 *
 * This program 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.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *)

(* Parser for Domtool configuration files *)

open Ast

%%
%header (functor DomtoolLrValsFn(structure Token : TOKEN))

%term 
   EOF
 | SYMBOL of string | CSYMBOL of string
 | STRING of string | DOC of string
 | INT of int
 | ARROW | DARROW | LARROW
 | COLON | CARET | BANG | AND
 | LPAREN | RPAREN | LBRACK | RBRACK | LBRACE | RBRACE
 | EQ | COMMA | BSLASH | SEMI | LET | IN | END
 | ROOT
 | EXTERN | TYPE | VAL | WITH | WHERE

%nonterm 
   file of file
 | decls of decl list
 | decl of decl
 | decl' of decl'
 | docOpt of string option
 | expOpt of exp option
 | exp of exp
 | apps of exp
 | term of exp
 | sets of exp list
 | elist of exp list
 | elistNe of exp list
 | clist of exp list
 | typ of typ
 | ctxt of pred
 | recd of record
 | recdNe of record

%verbose                                (* print summary of errors *)
%pos int                                (* positions *)
%start file
%pure
%eop EOF
%noshift EOF

%name Domtool

%right SEMI
%nonassoc COLON
%nonassoc IN
%right ARROW DARROW
%right COMMA
%nonassoc EQ
%right WITH
%right WHERE
%right AND
%nonassoc CARET BANG

%%

file   : decls expOpt                      (decls, expOpt)

decls  :                                   ([])
       | decl SEMI decls                   (decl :: decls)

decl   : decl' docOpt                      (decl', docOpt, (decl'left, docOptright))

decl'  : EXTERN TYPE SYMBOL                (DExternType SYMBOL)
       | EXTERN VAL SYMBOL COLON typ       (DExternVal (SYMBOL, typ))
       | VAL SYMBOL EQ exp                 (DVal (SYMBOL, NONE, exp))
       | VAL SYMBOL COLON typ EQ exp       (DVal (SYMBOL, SOME typ, exp))

docOpt :                                   (NONE)
       | DOC                               (SOME DOC)

expOpt :                                   (NONE)
       | exp                               (SOME (ELocal (exp, (ESkip, (expleft, expright))),
						  (expleft, expright)))


exp    : apps                              (apps)
       | apps WHERE sets END               (ELocal ((ESeq sets, (setsleft, setsright)), apps),
					    (appsleft, ENDright))
       | apps WITH END                     (EWith (apps, (ESkip, (WITHleft, ENDright))),
					    (appsleft, ENDright))
       | apps WITH exp END                 (EWith (apps, exp), (appsleft, ENDright))
       | apps WHERE sets WITH END          (ELocal ((ESeq sets, (setsleft, setsright)),
						    (EWith (apps, (ESkip, (WITHleft, ENDright))),
						     (appsleft, ENDright))),
					    (appsleft, ENDright))
       | apps WHERE sets WITH exp END      (ELocal ((ESeq sets, (setsleft, setsright)),
						    (EWith (apps, exp), (appsleft, ENDright))),
					    (appsleft, ENDright))

       | BSLASH SYMBOL COLON LPAREN typ RPAREN ARROW exp (ELam (SYMBOL, SOME typ, exp),
							  (BSLASHleft, expright))
       | BSLASH SYMBOL ARROW exp           (ELam (SYMBOL, NONE, exp), (BSLASHleft, expright))
       | CSYMBOL EQ exp                    (ESet (CSYMBOL, exp), (CSYMBOLleft, expright))
       | exp SEMI exp                      (let
						val ls = case #1 exp2 of
							     ESeq ls => exp :: ls
							   | _ => [exp1, exp2]
					    in
						(ESeq ls, (exp1left, exp2right))
					    end)
       | SYMBOL LARROW CSYMBOL SEMI exp    (EGet (SYMBOL, CSYMBOL, exp), (SYMBOLleft, expright))
       (*| exp WHERE exp END                 (ELocal (exp1, exp2), (exp1left, ENDright))
       | exp WHERE exp WITH END            (EWith ((ELocal (exp1, exp2), (exp1left, ENDright)),
						   (ESkip, (WITHleft, ENDright))),
					    (exp1left, ENDright))
       | exp WITH END                      (EWith (exp, (ESkip, (WITHleft, ENDright))), (expleft, ENDright))
       | exp WITH exp END                  (EWith (exp1, exp2), (exp1left, ENDright))*)

apps   : term                              (term)
       | apps term                         (EApp (apps, term), (appsleft, termright))

term   : LPAREN exp RPAREN                 (exp)
       | INT                               (EInt INT, (INTleft, INTright))
       | STRING                            (EString STRING, (STRINGleft, STRINGright))
       | LBRACK elist RBRACK               (EList elist, (LBRACKleft, RBRACKright))
       | LET exp IN exp END                (ELocal (exp1, exp2), (LETleft, ENDright))
       | SYMBOL                            (EVar SYMBOL, (SYMBOLleft, SYMBOLright))

sets   : CSYMBOL EQ apps                   ([(ESet (CSYMBOL, apps), (CSYMBOLleft, appsright))])
       | CSYMBOL EQ apps SEMI sets         ((ESet (CSYMBOL, apps), (CSYMBOLleft, appsright))
					    :: sets)

elist  :                                   ([])
       | elistNe                           (elistNe)

elistNe: exp                               ([exp])
       | exp COMMA elistNe                 (exp :: elistNe)

typ    : SYMBOL                            (TBase SYMBOL, (SYMBOLleft, SYMBOLright))
       | LBRACK typ RBRACK                 (TList typ, (LBRACKleft, RBRACKright))
       | typ ARROW typ                     (TArrow (typ1, typ2), (typleft, typright))
       | LBRACK ctxt RBRACK recd DARROW recd (TAction (ctxt, recd1, recd2), (LBRACKleft, recd2right))
       | LBRACK ctxt RBRACK recd           (TAction (ctxt, recd, StringMap.empty),
					    (LBRACKleft, recdright))
       | LBRACK ctxt RBRACK                (TAction (ctxt, StringMap.empty, StringMap.empty),
					    (LBRACKleft, ctxtright))
       | LPAREN typ RPAREN                 (typ)
       | ctxt DARROW typ                   (TNested (ctxt, typ), (ctxtleft, typright))

recd   : LBRACE RBRACE                     (StringMap.empty)
       | LBRACE recdNe RBRACE              (recdNe)

recdNe : CSYMBOL COLON typ                 (StringMap.insert (StringMap.empty, CSYMBOL, typ))
       | CSYMBOL COLON typ COMMA recdNe    (StringMap.insert (recdNe, CSYMBOL, typ))

ctxt   : ROOT                              (CRoot, (ROOTleft, ROOTright))
       | CSYMBOL                           (CConst CSYMBOL, (CSYMBOLleft, CSYMBOLright))
       | CARET ctxt                        (CPrefix ctxt, (CARETleft, ctxtright))
       | BANG ctxt                         (CNot ctxt, (BANGleft, ctxtright))
       | ctxt AND ctxt                     (CAnd (ctxt1, ctxt2), (ctxt1left, ctxt2right))
       | LPAREN ctxt RPAREN                (ctxt)
Commit	Line	Data
9fc2614f	1	(* HCoop Domtool (http://hcoop.sourceforge.net/)
	2	* Copyright (c) 2006, Adam Chlipala
	3	*
	4	* This program is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU General Public License
	6	* as published by the Free Software Foundation; either version 2
	7	* of the License, or (at your option) any later version.
	8	*
	9	* This program is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
	13	*
	14	* You should have received a copy of the GNU General Public License
	15	* along with this program; if not, write to the Free Software
	16	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
ae3a5b8c	17	*)
9fc2614f	18
9fc2614f	19	(* Parser for Domtool configuration files *)
7d3ae99f	20
9fc2614f	21	open Ast
	22
	23	%%
	24	%header (functor DomtoolLrValsFn(structure Token : TOKEN))
	25
	26	%term
	27	EOF
	28	\| SYMBOL of string \| CSYMBOL of string
e680130a	29	\| STRING of string \| DOC of string
9fc2614f	30	\| INT of int
7d3ae99f	31	\| ARROW \| DARROW \| LARROW
7d3ae99f	32	\| COLON \| CARET \| BANG \| AND
9fc2614f	33	\| LPAREN \| RPAREN \| LBRACK \| RBRACK \| LBRACE \| RBRACE
9fc2614f	34	\| EQ \| COMMA \| BSLASH \| SEMI \| LET \| IN \| END
ccc91989	35	\| ROOT
2dc33fa4	36	\| EXTERN \| TYPE \| VAL \| WITH \| WHERE
9fc2614f	37
9fc2614f	38	%nonterm
e680130a	39	file of file
	40	\| decls of decl list
	41	\| decl of decl
	42	\| decl' of decl'
	43	\| docOpt of string option
	44	\| expOpt of exp option
9fc2614f	45	\| exp of exp
	46	\| apps of exp
	47	\| term of exp
2dc33fa4	48	\| sets of exp list
9fc2614f	49	\| elist of exp list
	50	\| elistNe of exp list
	51	\| clist of exp list
	52	\| typ of typ
7d3ae99f	53	\| ctxt of pred
ccc91989	54	\| recd of record
ccc91989	55	\| recdNe of record
9fc2614f	56
	57	%verbose (* print summary of errors *)
	58	%pos int (* positions *)
	59	%start file
	60	%pure
	61	%eop EOF
	62	%noshift EOF
	63
	64	%name Domtool
	65
	66	%right SEMI
ccc91989	67	%nonassoc COLON
9fc2614f	68	%nonassoc IN
ccc91989	69	%right ARROW DARROW
9fc2614f	70	%right COMMA
9fc2614f	71	%nonassoc EQ
2dc33fa4	72	%right WITH
2dc33fa4	73	%right WHERE
ccc91989	74	%right AND
ccc91989	75	%nonassoc CARET BANG
9fc2614f	76
	77	%%
	78
e680130a	79	file : decls expOpt (decls, expOpt)
	80
	81	decls : ([])
	82	\| decl SEMI decls (decl :: decls)
	83
	84	decl : decl' docOpt (decl', docOpt, (decl'left, docOptright))
	85
	86	decl' : EXTERN TYPE SYMBOL (DExternType SYMBOL)
	87	\| EXTERN VAL SYMBOL COLON typ (DExternVal (SYMBOL, typ))
2f68506c	88	\| VAL SYMBOL EQ exp (DVal (SYMBOL, NONE, exp))
2f68506c	89	\| VAL SYMBOL COLON typ EQ exp (DVal (SYMBOL, SOME typ, exp))
e680130a	90
	91	docOpt : (NONE)
	92	\| DOC (SOME DOC)
	93
	94	expOpt : (NONE)
2dc33fa4	95	\| exp (SOME (ELocal (exp, (ESkip, (expleft, expright))),
2dc33fa4	96	(expleft, expright)))
e680130a	97
9fc2614f	98
9fc2614f	99	exp : apps (apps)
2dc33fa4	100	\| apps WHERE sets END (ELocal ((ESeq sets, (setsleft, setsright)), apps),
	101	(appsleft, ENDright))
	102	\| apps WITH END (EWith (apps, (ESkip, (WITHleft, ENDright))),
	103	(appsleft, ENDright))
	104	\| apps WITH exp END (EWith (apps, exp), (appsleft, ENDright))
	105	\| apps WHERE sets WITH END (ELocal ((ESeq sets, (setsleft, setsright)),
	106	(EWith (apps, (ESkip, (WITHleft, ENDright))),
	107	(appsleft, ENDright))),
	108	(appsleft, ENDright))
	109	\| apps WHERE sets WITH exp END (ELocal ((ESeq sets, (setsleft, setsright)),
	110	(EWith (apps, exp), (appsleft, ENDright))),
	111	(appsleft, ENDright))
	112
64014a03	113	\| BSLASH SYMBOL COLON LPAREN typ RPAREN ARROW exp (ELam (SYMBOL, SOME typ, exp),
	114	(BSLASHleft, expright))
	115	\| BSLASH SYMBOL ARROW exp (ELam (SYMBOL, NONE, exp), (BSLASHleft, expright))
9fc2614f	116	\| CSYMBOL EQ exp (ESet (CSYMBOL, exp), (CSYMBOLleft, expright))
	117	\| exp SEMI exp (let
	118	val ls = case #1 exp2 of
	119	ESeq ls => exp :: ls
	120	\| _ => [exp1, exp2]
	121	in
	122	(ESeq ls, (exp1left, exp2right))
	123	end)
e680130a	124	\| SYMBOL LARROW CSYMBOL SEMI exp (EGet (SYMBOL, CSYMBOL, exp), (SYMBOLleft, expright))
2dc33fa4	125	(*\| exp WHERE exp END (ELocal (exp1, exp2), (exp1left, ENDright))
	126	\| exp WHERE exp WITH END (EWith ((ELocal (exp1, exp2), (exp1left, ENDright)),
	127	(ESkip, (WITHleft, ENDright))),
	128	(exp1left, ENDright))
	129	\| exp WITH END (EWith (exp, (ESkip, (WITHleft, ENDright))), (expleft, ENDright))
	130	\| exp WITH exp END (EWith (exp1, exp2), (exp1left, ENDright))*)
9fc2614f	131
	132	apps : term (term)
	133	\| apps term (EApp (apps, term), (appsleft, termright))
	134
	135	term : LPAREN exp RPAREN (exp)
	136	\| INT (EInt INT, (INTleft, INTright))
	137	\| STRING (EString STRING, (STRINGleft, STRINGright))
	138	\| LBRACK elist RBRACK (EList elist, (LBRACKleft, RBRACKright))
2dc33fa4	139	\| LET exp IN exp END (ELocal (exp1, exp2), (LETleft, ENDright))
ccc91989	140	\| SYMBOL (EVar SYMBOL, (SYMBOLleft, SYMBOLright))
9fc2614f	141
2dc33fa4	142	sets : CSYMBOL EQ apps ([(ESet (CSYMBOL, apps), (CSYMBOLleft, appsright))])
	143	\| CSYMBOL EQ apps SEMI sets ((ESet (CSYMBOL, apps), (CSYMBOLleft, appsright))
	144	:: sets)
	145
9fc2614f	146	elist : ([])
	147	\| elistNe (elistNe)
	148
	149	elistNe: exp ([exp])
	150	\| exp COMMA elistNe (exp :: elistNe)
	151
	152	typ : SYMBOL (TBase SYMBOL, (SYMBOLleft, SYMBOLright))
ccc91989	153	\| LBRACK typ RBRACK (TList typ, (LBRACKleft, RBRACKright))
ccc91989	154	\| typ ARROW typ (TArrow (typ1, typ2), (typleft, typright))
7d3ae99f	155	\| LBRACK ctxt RBRACK recd DARROW recd (TAction (ctxt, recd1, recd2), (LBRACKleft, recd2right))
ccc91989	156	\| LBRACK ctxt RBRACK recd (TAction (ctxt, recd, StringMap.empty),
7d3ae99f	157	(LBRACKleft, recdright))
ccc91989	158	\| LBRACK ctxt RBRACK (TAction (ctxt, StringMap.empty, StringMap.empty),
7d3ae99f	159	(LBRACKleft, ctxtright))
ccc91989	160	\| LPAREN typ RPAREN (typ)
2dc33fa4	161	\| ctxt DARROW typ (TNested (ctxt, typ), (ctxtleft, typright))
ccc91989	162
	163	recd : LBRACE RBRACE (StringMap.empty)
	164	\| LBRACE recdNe RBRACE (recdNe)
	165
	166	recdNe : CSYMBOL COLON typ (StringMap.insert (StringMap.empty, CSYMBOL, typ))
	167	\| CSYMBOL COLON typ COMMA recdNe (StringMap.insert (recdNe, CSYMBOL, typ))
	168
	169	ctxt : ROOT (CRoot, (ROOTleft, ROOTright))
	170	\| CSYMBOL (CConst CSYMBOL, (CSYMBOLleft, CSYMBOLright))
	171	\| CARET ctxt (CPrefix ctxt, (CARETleft, ctxtright))
	172	\| BANG ctxt (CNot ctxt, (BANGleft, ctxtright))
	173	\| ctxt AND ctxt (CAnd (ctxt1, ctxt2), (ctxt1left, ctxt2right))
	174	\| LPAREN ctxt RPAREN (ctxt)