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[hcoop/domtool2.git] / src / domtool.grm
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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.
dac62e84 17 *)
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18
19(* Parser for Domtool configuration files *)
63920aa5 20
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21open Ast
22
23%%
24%header (functor DomtoolLrValsFn(structure Token : TOKEN))
25
26%term
27 EOF
28 | SYMBOL of string | CSYMBOL of string
234b917a 29 | STRING of string | DOC of string
42198578 30 | INT of int
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31 | ARROW | DARROW | LARROW
32 | COLON | CARET | BANG | AND
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33 | LPAREN | RPAREN | LBRACK | RBRACK | LBRACE | RBRACE
34 | EQ | COMMA | BSLASH | SEMI | LET | IN | END
a22c187b 35 | ROOT
1a4e5a6c 36 | EXTERN | TYPE | VAL | WITH | WHERE
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37
38%nonterm
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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
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45 | exp of exp
46 | apps of exp
47 | term of exp
1a4e5a6c 48 | sets of exp list
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49 | elist of exp list
50 | elistNe of exp list
51 | clist of exp list
52 | typ of typ
63920aa5 53 | ctxt of pred
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54 | recd of record
55 | recdNe of record
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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
a22c187b 67%nonassoc COLON
42198578 68%nonassoc IN
a22c187b 69%right ARROW DARROW
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70%right COMMA
71%nonassoc EQ
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72%right WITH
73%right WHERE
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74%right AND
75%nonassoc CARET BANG
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76
77%%
78
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79file : decls expOpt (decls, expOpt)
80
81decls : ([])
82 | decl SEMI decls (decl :: decls)
83
84decl : decl' docOpt (decl', docOpt, (decl'left, docOptright))
85
86decl' : EXTERN TYPE SYMBOL (DExternType SYMBOL)
87 | EXTERN VAL SYMBOL COLON typ (DExternVal (SYMBOL, typ))
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88 | VAL SYMBOL EQ exp (DVal (SYMBOL, NONE, exp))
89 | VAL SYMBOL COLON typ EQ exp (DVal (SYMBOL, SOME typ, exp))
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90
91docOpt : (NONE)
92 | DOC (SOME DOC)
93
94expOpt : (NONE)
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95 | exp (SOME (ELocal (exp, (ESkip, (expleft, expright))),
96 (expleft, expright)))
234b917a 97
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98
99exp : apps (apps)
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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
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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))
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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)
234b917a 124 | SYMBOL LARROW CSYMBOL SEMI exp (EGet (SYMBOL, CSYMBOL, exp), (SYMBOLleft, expright))
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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))*)
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131
132apps : term (term)
133 | apps term (EApp (apps, term), (appsleft, termright))
134
135term : LPAREN exp RPAREN (exp)
136 | INT (EInt INT, (INTleft, INTright))
137 | STRING (EString STRING, (STRINGleft, STRINGright))
138 | LBRACK elist RBRACK (EList elist, (LBRACKleft, RBRACKright))
1a4e5a6c 139 | LET exp IN exp END (ELocal (exp1, exp2), (LETleft, ENDright))
a22c187b 140 | SYMBOL (EVar SYMBOL, (SYMBOLleft, SYMBOLright))
42198578 141
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142sets : CSYMBOL EQ apps ([(ESet (CSYMBOL, apps), (CSYMBOLleft, appsright))])
143 | CSYMBOL EQ apps SEMI sets ((ESet (CSYMBOL, apps), (CSYMBOLleft, appsright))
144 :: sets)
145
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146elist : ([])
147 | elistNe (elistNe)
148
149elistNe: exp ([exp])
150 | exp COMMA elistNe (exp :: elistNe)
151
152typ : SYMBOL (TBase SYMBOL, (SYMBOLleft, SYMBOLright))
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153 | LBRACK typ RBRACK (TList typ, (LBRACKleft, RBRACKright))
154 | typ ARROW typ (TArrow (typ1, typ2), (typleft, typright))
63920aa5 155 | LBRACK ctxt RBRACK recd DARROW recd (TAction (ctxt, recd1, recd2), (LBRACKleft, recd2right))
a22c187b 156 | LBRACK ctxt RBRACK recd (TAction (ctxt, recd, StringMap.empty),
63920aa5 157 (LBRACKleft, recdright))
a22c187b 158 | LBRACK ctxt RBRACK (TAction (ctxt, StringMap.empty, StringMap.empty),
63920aa5 159 (LBRACKleft, ctxtright))
a22c187b 160 | LPAREN typ RPAREN (typ)
1a4e5a6c 161 | ctxt DARROW typ (TNested (ctxt, typ), (ctxtleft, typright))
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162
163recd : LBRACE RBRACE (StringMap.empty)
164 | LBRACE recdNe RBRACE (recdNe)
165
166recdNe : CSYMBOL COLON typ (StringMap.insert (StringMap.empty, CSYMBOL, typ))
167 | CSYMBOL COLON typ COMMA recdNe (StringMap.insert (recdNe, CSYMBOL, typ))
168
169ctxt : 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)