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 | BSLASHBSLASH | SEMI | LET | IN | BEGIN | END
 | IF | THEN | ELSE
 | ROOT | SKIP
 | EXTERN | TYPE | VAL | WITH | WHERE | CONTEXT

%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
 | SEMIopt of unit

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

%name Domtool

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

%%

file   : docOpt decls expOpt               (docOpt, decls, expOpt)

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

decl   : decl' SEMI 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))
       | CONTEXT CSYMBOL                   (DContext CSYMBOL)

docOpt :                                   (NONE)
       | DOC                               (SOME DOC)

expOpt :                                   (NONE)
       | exp                               (SOME exp)


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))
       | BSLASHBSLASH SYMBOL COLON ctxt ARROW exp (EALam (SYMBOL, ctxt, exp),
							  (BSLASHBSLASHleft, 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)
       | exp SEMI                          (exp)
       | SYMBOL LARROW CSYMBOL SEMI exp    (EGet (SYMBOL, NONE, CSYMBOL, exp), (SYMBOLleft, expright))
       | SYMBOL COLON typ LARROW CSYMBOL SEMI exp (EGet (SYMBOL, SOME typ, CSYMBOL, exp), (SYMBOLleft, expright))
       | IF exp THEN exp ELSE exp END      (EIf (exp1, exp2, exp3), (IFleft, ENDright))

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

term   : LPAREN exp RPAREN                 (exp)
       | BEGIN exp END                     (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))
       | SKIP                              (ESkip, (SKIPleft, SKIPright))

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

SEMIopt: SEMI                              ()
       |                                   ()

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
	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.
	17	*)
	18
	19	(* Parser for Domtool configuration files *)
	20
	21	open Ast
	22
	23	%%
	24	%header (functor DomtoolLrValsFn(structure Token : TOKEN))
	25
	26	%term
	27	EOF
	28	\| SYMBOL of string \| CSYMBOL of string
	29	\| STRING of string \| DOC of string
	30	\| INT of int
	31	\| ARROW \| DARROW \| LARROW
	32	\| COLON \| CARET \| BANG \| AND
	33	\| LPAREN \| RPAREN \| LBRACK \| RBRACK \| LBRACE \| RBRACE
	34	\| EQ \| COMMA \| BSLASH \| BSLASHBSLASH \| SEMI \| LET \| IN \| BEGIN \| END
	35	\| IF \| THEN \| ELSE
	36	\| ROOT \| SKIP
	37	\| EXTERN \| TYPE \| VAL \| WITH \| WHERE \| CONTEXT
	38
	39	%nonterm
	40	file of file
	41	\| decls of decl list
	42	\| decl of decl
	43	\| decl' of decl'
	44	\| docOpt of string option
	45	\| expOpt of exp option
	46	\| exp of exp
	47	\| apps of exp
	48	\| term of exp
	49	\| sets of exp list
	50	\| elist of exp list
	51	\| elistNe of exp list
	52	\| clist of exp list
	53	\| typ of typ
	54	\| ctxt of pred
	55	\| recd of record
	56	\| recdNe of record
	57	\| SEMIopt of unit
	58
	59	%verbose (* print summary of errors *)
	60	%pos int (* positions *)
	61	%start file
	62	%pure
	63	%eop EOF
	64	%noshift EOF
	65
	66	%name Domtool
	67
	68	%nonassoc THEN ELSE
	69	%right SEMI
	70	%nonassoc COLON
	71	%nonassoc IN
	72	%right ARROW DARROW
	73	%right COMMA
	74	%nonassoc EQ
	75	%right WITH
	76	%right WHERE
	77	%right AND
	78	%nonassoc CARET BANG
	79
	80	%%
	81
	82	file : docOpt decls expOpt (docOpt, decls, expOpt)
	83
	84	decls : ([])
	85	\| decl decls (decl :: decls)
	86
	87	decl : decl' SEMI docOpt (decl', docOpt, (decl'left, docOptright))
	88
	89	decl' : EXTERN TYPE SYMBOL (DExternType SYMBOL)
	90	\| EXTERN VAL SYMBOL COLON typ (DExternVal (SYMBOL, typ))
	91	\| VAL SYMBOL EQ exp (DVal (SYMBOL, NONE, exp))
	92	\| VAL SYMBOL COLON typ EQ exp (DVal (SYMBOL, SOME typ, exp))
	93	\| CONTEXT CSYMBOL (DContext CSYMBOL)
	94
	95	docOpt : (NONE)
	96	\| DOC (SOME DOC)
	97
	98	expOpt : (NONE)
	99	\| exp (SOME exp)
	100
	101
	102	exp : apps (apps)
	103	\| apps WHERE sets END (ELocal ((ESeq sets, (setsleft, setsright)), apps),
	104	(appsleft, ENDright))
	105	\| apps WITH END (EWith (apps, (ESkip, (WITHleft, ENDright))),
	106	(appsleft, ENDright))
	107	\| apps WITH exp END (EWith (apps, exp), (appsleft, ENDright))
	108	\| apps WHERE sets WITH END (ELocal ((ESeq sets, (setsleft, setsright)),
	109	(EWith (apps, (ESkip, (WITHleft, ENDright))),
	110	(appsleft, ENDright))),
	111	(appsleft, ENDright))
	112	\| apps WHERE sets WITH exp END (ELocal ((ESeq sets, (setsleft, setsright)),
	113	(EWith (apps, exp), (appsleft, ENDright))),
	114	(appsleft, ENDright))
	115
	116	\| BSLASH SYMBOL COLON LPAREN typ RPAREN ARROW exp (ELam (SYMBOL, SOME typ, exp),
	117	(BSLASHleft, expright))
	118	\| BSLASH SYMBOL ARROW exp (ELam (SYMBOL, NONE, exp), (BSLASHleft, expright))
	119	\| BSLASHBSLASH SYMBOL COLON ctxt ARROW exp (EALam (SYMBOL, ctxt, exp),
	120	(BSLASHBSLASHleft, expright))
	121	\| CSYMBOL EQ exp (ESet (CSYMBOL, exp), (CSYMBOLleft, expright))
	122	\| exp SEMI exp (let
	123	val ls = case #1 exp2 of
	124	ESeq ls => exp :: ls
	125	\| _ => [exp1, exp2]
	126	in
	127	(ESeq ls, (exp1left, exp2right))
	128	end)
	129	\| exp SEMI (exp)
	130	\| SYMBOL LARROW CSYMBOL SEMI exp (EGet (SYMBOL, NONE, CSYMBOL, exp), (SYMBOLleft, expright))
	131	\| SYMBOL COLON typ LARROW CSYMBOL SEMI exp (EGet (SYMBOL, SOME typ, CSYMBOL, exp), (SYMBOLleft, expright))
	132	\| IF exp THEN exp ELSE exp END (EIf (exp1, exp2, exp3), (IFleft, ENDright))
	133
	134	apps : term (term)
	135	\| apps term (EApp (apps, term), (appsleft, termright))
	136
	137	term : LPAREN exp RPAREN (exp)
	138	\| BEGIN exp END (exp)
	139	\| INT (EInt INT, (INTleft, INTright))
	140	\| STRING (EString STRING, (STRINGleft, STRINGright))
	141	\| LBRACK elist RBRACK (EList elist, (LBRACKleft, RBRACKright))
	142	\| LET exp IN exp END (ELocal (exp1, exp2), (LETleft, ENDright))
	143	\| SYMBOL (EVar SYMBOL, (SYMBOLleft, SYMBOLright))
	144	\| SKIP (ESkip, (SKIPleft, SKIPright))
	145
	146	sets : CSYMBOL EQ apps SEMIopt ([(ESet (CSYMBOL, apps), (CSYMBOLleft, appsright))])
	147	\| CSYMBOL EQ apps SEMI sets ((ESet (CSYMBOL, apps), (CSYMBOLleft, appsright))
	148	:: sets)
	149
	150	SEMIopt: SEMI ()
	151	\| ()
	152
	153	elist : ([])
	154	\| elistNe (elistNe)
	155
	156	elistNe: exp ([exp])
	157	\| exp COMMA elistNe (exp :: elistNe)
	158
	159	typ : SYMBOL (TBase SYMBOL, (SYMBOLleft, SYMBOLright))
	160	\| LBRACK typ RBRACK (TList typ, (LBRACKleft, RBRACKright))
	161	\| typ ARROW typ (TArrow (typ1, typ2), (typleft, typright))
	162	\| LBRACK ctxt RBRACK recd DARROW recd (TAction (ctxt, recd1, recd2), (LBRACKleft, recd2right))
	163	\| LBRACK ctxt RBRACK recd (TAction (ctxt, recd, StringMap.empty),
	164	(LBRACKleft, recdright))
	165	\| LBRACK ctxt RBRACK (TAction (ctxt, StringMap.empty, StringMap.empty),
	166	(LBRACKleft, ctxtright))
	167	\| LPAREN typ RPAREN (typ)
	168	\| ctxt DARROW typ (TNested (ctxt, typ), (ctxtleft, typright))
	169
	170	recd : LBRACE RBRACE (StringMap.empty)
	171	\| LBRACE recdNe RBRACE (recdNe)
	172
	173	recdNe : CSYMBOL COLON typ (StringMap.insert (StringMap.empty, CSYMBOL, typ))
	174	\| CSYMBOL COLON typ COMMA recdNe (StringMap.insert (recdNe, CSYMBOL, typ))
	175
	176	ctxt : ROOT (CRoot, (ROOTleft, ROOTright))
	177	\| CSYMBOL (CConst CSYMBOL, (CSYMBOLleft, CSYMBOLright))
	178	\| CARET ctxt (CPrefix ctxt, (CARETleft, ctxtright))
	179	\| BANG ctxt (CNot ctxt, (BANGleft, ctxtright))
	180	\| ctxt AND ctxt (CAnd (ctxt1, ctxt2), (ctxt1left, ctxt2right))
	181	\| LPAREN ctxt RPAREN (ctxt)