Fix file paths for recursive rmdom
[hcoop/domtool2.git] / src / domtool.grm
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 | END
35 | ROOT
36 | EXTERN | TYPE | VAL | WITH | WHERE | CONTEXT
37
38 %nonterm
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
45 | exp of exp
46 | apps of exp
47 | term of exp
48 | sets of exp list
49 | elist of exp list
50 | elistNe of exp list
51 | clist of exp list
52 | typ of typ
53 | ctxt of pred
54 | recd of record
55 | recdNe of record
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
67 %nonassoc COLON
68 %nonassoc IN
69 %right ARROW DARROW
70 %right COMMA
71 %nonassoc EQ
72 %right WITH
73 %right WHERE
74 %right AND
75 %nonassoc CARET BANG
76
77 %%
78
79 file : docOpt decls expOpt (docOpt, decls, expOpt)
80
81 decls : ([])
82 | decl decls (decl :: decls)
83
84 decl : decl' SEMI docOpt (decl', docOpt, (decl'left, docOptright))
85
86 decl' : EXTERN TYPE SYMBOL (DExternType SYMBOL)
87 | EXTERN VAL SYMBOL COLON typ (DExternVal (SYMBOL, typ))
88 | VAL SYMBOL EQ exp (DVal (SYMBOL, NONE, exp))
89 | VAL SYMBOL COLON typ EQ exp (DVal (SYMBOL, SOME typ, exp))
90 | CONTEXT CSYMBOL (DContext CSYMBOL)
91
92 docOpt : (NONE)
93 | DOC (SOME DOC)
94
95 expOpt : (NONE)
96 | exp (SOME (ELocal (exp, (ESkip, (expleft, expright))),
97 (expleft, expright)))
98
99
100 exp : apps (apps)
101 | apps WHERE sets END (ELocal ((ESeq sets, (setsleft, setsright)), apps),
102 (appsleft, ENDright))
103 | apps WITH END (EWith (apps, (ESkip, (WITHleft, ENDright))),
104 (appsleft, ENDright))
105 | apps WITH exp END (EWith (apps, exp), (appsleft, ENDright))
106 | apps WHERE sets WITH END (ELocal ((ESeq sets, (setsleft, setsright)),
107 (EWith (apps, (ESkip, (WITHleft, ENDright))),
108 (appsleft, ENDright))),
109 (appsleft, ENDright))
110 | apps WHERE sets WITH exp END (ELocal ((ESeq sets, (setsleft, setsright)),
111 (EWith (apps, exp), (appsleft, ENDright))),
112 (appsleft, ENDright))
113
114 | BSLASH SYMBOL COLON LPAREN typ RPAREN ARROW exp (ELam (SYMBOL, SOME typ, exp),
115 (BSLASHleft, expright))
116 | BSLASH SYMBOL ARROW exp (ELam (SYMBOL, NONE, exp), (BSLASHleft, expright))
117 | BSLASHBSLASH SYMBOL COLON ctxt ARROW exp (EALam (SYMBOL, ctxt, exp),
118 (BSLASHBSLASHleft, expright))
119 | CSYMBOL EQ exp (ESet (CSYMBOL, exp), (CSYMBOLleft, expright))
120 | exp SEMI exp (let
121 val ls = case #1 exp2 of
122 ESeq ls => exp :: ls
123 | _ => [exp1, exp2]
124 in
125 (ESeq ls, (exp1left, exp2right))
126 end)
127 | exp SEMI (exp)
128 | SYMBOL LARROW CSYMBOL SEMI exp (EGet (SYMBOL, CSYMBOL, exp), (SYMBOLleft, expright))
129
130 apps : term (term)
131 | apps term (EApp (apps, term), (appsleft, termright))
132
133 term : LPAREN exp RPAREN (exp)
134 | INT (EInt INT, (INTleft, INTright))
135 | STRING (EString STRING, (STRINGleft, STRINGright))
136 | LBRACK elist RBRACK (EList elist, (LBRACKleft, RBRACKright))
137 | LET exp IN exp END (ELocal (exp1, exp2), (LETleft, ENDright))
138 | SYMBOL (EVar SYMBOL, (SYMBOLleft, SYMBOLright))
139
140 sets : CSYMBOL EQ apps ([(ESet (CSYMBOL, apps), (CSYMBOLleft, appsright))])
141 | CSYMBOL EQ apps SEMI sets ((ESet (CSYMBOL, apps), (CSYMBOLleft, appsright))
142 :: sets)
143
144 elist : ([])
145 | elistNe (elistNe)
146
147 elistNe: exp ([exp])
148 | exp COMMA elistNe (exp :: elistNe)
149
150 typ : SYMBOL (TBase SYMBOL, (SYMBOLleft, SYMBOLright))
151 | LBRACK typ RBRACK (TList typ, (LBRACKleft, RBRACKright))
152 | typ ARROW typ (TArrow (typ1, typ2), (typleft, typright))
153 | LBRACK ctxt RBRACK recd DARROW recd (TAction (ctxt, recd1, recd2), (LBRACKleft, recd2right))
154 | LBRACK ctxt RBRACK recd (TAction (ctxt, recd, StringMap.empty),
155 (LBRACKleft, recdright))
156 | LBRACK ctxt RBRACK (TAction (ctxt, StringMap.empty, StringMap.empty),
157 (LBRACKleft, ctxtright))
158 | LPAREN typ RPAREN (typ)
159 | ctxt DARROW typ (TNested (ctxt, typ), (ctxtleft, typright))
160
161 recd : LBRACE RBRACE (StringMap.empty)
162 | LBRACE recdNe RBRACE (recdNe)
163
164 recdNe : CSYMBOL COLON typ (StringMap.insert (StringMap.empty, CSYMBOL, typ))
165 | CSYMBOL COLON typ COMMA recdNe (StringMap.insert (recdNe, CSYMBOL, typ))
166
167 ctxt : ROOT (CRoot, (ROOTleft, ROOTright))
168 | CSYMBOL (CConst CSYMBOL, (CSYMBOLleft, CSYMBOLright))
169 | CARET ctxt (CPrefix ctxt, (CARETleft, ctxtright))
170 | BANG ctxt (CNot ctxt, (BANGleft, ctxtright))
171 | ctxt AND ctxt (CAnd (ctxt1, ctxt2), (ctxt1left, ctxt2right))
172 | LPAREN ctxt RPAREN (ctxt)