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42198578 AC |
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 | *) |
42198578 AC |
18 | |
19 | (* Parser for Domtool configuration files *) | |
63920aa5 | 20 | |
42198578 AC |
21 | open 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 |
63920aa5 AC |
31 | | ARROW | DARROW | LARROW |
32 | | COLON | CARET | BANG | AND | |
42198578 | 33 | | LPAREN | RPAREN | LBRACK | RBRACK | LBRACE | RBRACE |
1dd06e3c | 34 | | EQ | COMMA | BSLASH | BSLASHBSLASH | SEMI | LET | IN | BEGIN | END |
75d4c2d6 | 35 | | IF | THEN | ELSE |
a356587a | 36 | | ROOT | SKIP |
8230d010 | 37 | | EXTERN | TYPE | VAL | ENV | WITH | WHERE | CONTEXT |
42198578 AC |
38 | |
39 | %nonterm | |
234b917a AC |
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 | |
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46 | | exp of exp |
47 | | apps of exp | |
48 | | term of exp | |
1a4e5a6c | 49 | | sets of exp list |
42198578 AC |
50 | | elist of exp list |
51 | | elistNe of exp list | |
52 | | clist of exp list | |
53 | | typ of typ | |
63920aa5 | 54 | | ctxt of pred |
a22c187b AC |
55 | | recd of record |
56 | | recdNe of record | |
6fa78209 | 57 | | SEMIopt of unit |
42198578 AC |
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 | ||
a356587a | 68 | %nonassoc THEN ELSE |
42198578 | 69 | %right SEMI |
a22c187b | 70 | %nonassoc COLON |
42198578 | 71 | %nonassoc IN |
a22c187b | 72 | %right ARROW DARROW |
42198578 AC |
73 | %right COMMA |
74 | %nonassoc EQ | |
1a4e5a6c AC |
75 | %right WITH |
76 | %right WHERE | |
a22c187b AC |
77 | %right AND |
78 | %nonassoc CARET BANG | |
42198578 AC |
79 | |
80 | %% | |
81 | ||
e9256fdc | 82 | file : docOpt decls expOpt (docOpt, decls, expOpt) |
234b917a AC |
83 | |
84 | decls : ([]) | |
095de39e | 85 | | decl decls (decl :: decls) |
234b917a | 86 | |
095de39e | 87 | decl : decl' SEMI docOpt (decl', docOpt, (decl'left, docOptright)) |
234b917a AC |
88 | |
89 | decl' : EXTERN TYPE SYMBOL (DExternType SYMBOL) | |
90 | | EXTERN VAL SYMBOL COLON typ (DExternVal (SYMBOL, typ)) | |
629a34f6 AC |
91 | | VAL SYMBOL EQ exp (DVal (SYMBOL, NONE, exp)) |
92 | | VAL SYMBOL COLON typ EQ exp (DVal (SYMBOL, SOME typ, exp)) | |
8230d010 CE |
93 | | ENV CSYMBOL EQ exp (DEnv (CSYMBOL, NONE, exp)) |
94 | | ENV CSYMBOL COLON typ EQ exp (DEnv (CSYMBOL, SOME typ, exp)) | |
095de39e | 95 | | CONTEXT CSYMBOL (DContext CSYMBOL) |
234b917a AC |
96 | |
97 | docOpt : (NONE) | |
98 | | DOC (SOME DOC) | |
99 | ||
100 | expOpt : (NONE) | |
24248d62 | 101 | | exp (SOME exp) |
234b917a | 102 | |
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103 | |
104 | exp : apps (apps) | |
1a4e5a6c AC |
105 | | apps WHERE sets END (ELocal ((ESeq sets, (setsleft, setsright)), apps), |
106 | (appsleft, ENDright)) | |
107 | | apps WITH END (EWith (apps, (ESkip, (WITHleft, ENDright))), | |
108 | (appsleft, ENDright)) | |
109 | | apps WITH exp END (EWith (apps, exp), (appsleft, ENDright)) | |
110 | | apps WHERE sets WITH END (ELocal ((ESeq sets, (setsleft, setsright)), | |
111 | (EWith (apps, (ESkip, (WITHleft, ENDright))), | |
112 | (appsleft, ENDright))), | |
113 | (appsleft, ENDright)) | |
114 | | apps WHERE sets WITH exp END (ELocal ((ESeq sets, (setsleft, setsright)), | |
115 | (EWith (apps, exp), (appsleft, ENDright))), | |
116 | (appsleft, ENDright)) | |
117 | ||
27d9de59 AC |
118 | | BSLASH SYMBOL COLON LPAREN typ RPAREN ARROW exp (ELam (SYMBOL, SOME typ, exp), |
119 | (BSLASHleft, expright)) | |
120 | | BSLASH SYMBOL ARROW exp (ELam (SYMBOL, NONE, exp), (BSLASHleft, expright)) | |
6bb366c5 AC |
121 | | BSLASHBSLASH SYMBOL COLON ctxt ARROW exp (EALam (SYMBOL, ctxt, exp), |
122 | (BSLASHBSLASHleft, expright)) | |
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123 | | CSYMBOL EQ exp (ESet (CSYMBOL, exp), (CSYMBOLleft, expright)) |
124 | | exp SEMI exp (let | |
125 | val ls = case #1 exp2 of | |
126 | ESeq ls => exp :: ls | |
127 | | _ => [exp1, exp2] | |
128 | in | |
129 | (ESeq ls, (exp1left, exp2right)) | |
130 | end) | |
6ae327f8 | 131 | | exp SEMI (exp) |
8cbb9632 AC |
132 | | SYMBOL LARROW CSYMBOL SEMI exp (EGet (SYMBOL, NONE, CSYMBOL, exp), (SYMBOLleft, expright)) |
133 | | SYMBOL COLON typ LARROW CSYMBOL SEMI exp (EGet (SYMBOL, SOME typ, CSYMBOL, exp), (SYMBOLleft, expright)) | |
a356587a | 134 | | IF exp THEN exp ELSE exp END (EIf (exp1, exp2, exp3), (IFleft, ENDright)) |
42198578 AC |
135 | |
136 | apps : term (term) | |
137 | | apps term (EApp (apps, term), (appsleft, termright)) | |
138 | ||
139 | term : LPAREN exp RPAREN (exp) | |
1dd06e3c | 140 | | BEGIN exp END (exp) |
42198578 AC |
141 | | INT (EInt INT, (INTleft, INTright)) |
142 | | STRING (EString STRING, (STRINGleft, STRINGright)) | |
143 | | LBRACK elist RBRACK (EList elist, (LBRACKleft, RBRACKright)) | |
1a4e5a6c | 144 | | LET exp IN exp END (ELocal (exp1, exp2), (LETleft, ENDright)) |
a22c187b | 145 | | SYMBOL (EVar SYMBOL, (SYMBOLleft, SYMBOLright)) |
a356587a | 146 | | SKIP (ESkip, (SKIPleft, SKIPright)) |
42198578 | 147 | |
6fa78209 | 148 | sets : CSYMBOL EQ apps SEMIopt ([(ESet (CSYMBOL, apps), (CSYMBOLleft, appsright))]) |
1a4e5a6c AC |
149 | | CSYMBOL EQ apps SEMI sets ((ESet (CSYMBOL, apps), (CSYMBOLleft, appsright)) |
150 | :: sets) | |
151 | ||
6fa78209 AC |
152 | SEMIopt: SEMI () |
153 | | () | |
154 | ||
42198578 AC |
155 | elist : ([]) |
156 | | elistNe (elistNe) | |
157 | ||
158 | elistNe: exp ([exp]) | |
159 | | exp COMMA elistNe (exp :: elistNe) | |
160 | ||
161 | typ : SYMBOL (TBase SYMBOL, (SYMBOLleft, SYMBOLright)) | |
a22c187b AC |
162 | | LBRACK typ RBRACK (TList typ, (LBRACKleft, RBRACKright)) |
163 | | typ ARROW typ (TArrow (typ1, typ2), (typleft, typright)) | |
63920aa5 | 164 | | LBRACK ctxt RBRACK recd DARROW recd (TAction (ctxt, recd1, recd2), (LBRACKleft, recd2right)) |
a22c187b | 165 | | LBRACK ctxt RBRACK recd (TAction (ctxt, recd, StringMap.empty), |
63920aa5 | 166 | (LBRACKleft, recdright)) |
a22c187b | 167 | | LBRACK ctxt RBRACK (TAction (ctxt, StringMap.empty, StringMap.empty), |
63920aa5 | 168 | (LBRACKleft, ctxtright)) |
a22c187b | 169 | | LPAREN typ RPAREN (typ) |
1a4e5a6c | 170 | | ctxt DARROW typ (TNested (ctxt, typ), (ctxtleft, typright)) |
a22c187b AC |
171 | |
172 | recd : LBRACE RBRACE (StringMap.empty) | |
173 | | LBRACE recdNe RBRACE (recdNe) | |
174 | ||
175 | recdNe : CSYMBOL COLON typ (StringMap.insert (StringMap.empty, CSYMBOL, typ)) | |
176 | | CSYMBOL COLON typ COMMA recdNe (StringMap.insert (recdNe, CSYMBOL, typ)) | |
177 | ||
178 | ctxt : ROOT (CRoot, (ROOTleft, ROOTright)) | |
179 | | CSYMBOL (CConst CSYMBOL, (CSYMBOLleft, CSYMBOLright)) | |
180 | | CARET ctxt (CPrefix ctxt, (CARETleft, ctxtright)) | |
181 | | BANG ctxt (CNot ctxt, (BANGleft, ctxtright)) | |
182 | | ctxt AND ctxt (CAnd (ctxt1, ctxt2), (ctxt1left, ctxt2right)) | |
183 | | LPAREN ctxt RPAREN (ctxt) |