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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. | |
17 | *) | |
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 | |
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33 | | LPAREN | RPAREN | LBRACK | RBRACK | LBRACE | RBRACE |
34 | | EQ | COMMA | BSLASH | SEMI | LET | IN | END | |
a22c187b | 35 | | ROOT |
234b917a | 36 | | EXTERN | TYPE | VAL | WITH |
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37 | |
38 | %nonterm | |
234b917a AC |
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 | |
48 | | elist of exp list | |
49 | | elistNe of exp list | |
50 | | clist of exp list | |
51 | | typ of typ | |
63920aa5 | 52 | | ctxt of pred |
a22c187b AC |
53 | | recd of record |
54 | | recdNe of record | |
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55 | |
56 | %verbose (* print summary of errors *) | |
57 | %pos int (* positions *) | |
58 | %start file | |
59 | %pure | |
60 | %eop EOF | |
61 | %noshift EOF | |
62 | ||
63 | %name Domtool | |
64 | ||
65 | %right SEMI | |
a22c187b | 66 | %nonassoc COLON |
42198578 | 67 | %nonassoc IN |
a22c187b | 68 | %right ARROW DARROW |
42198578 AC |
69 | %right COMMA |
70 | %nonassoc EQ | |
a22c187b AC |
71 | %right AND |
72 | %nonassoc CARET BANG | |
42198578 AC |
73 | |
74 | %% | |
75 | ||
234b917a AC |
76 | file : decls expOpt (decls, expOpt) |
77 | ||
78 | decls : ([]) | |
79 | | decl SEMI decls (decl :: decls) | |
80 | ||
81 | decl : decl' docOpt (decl', docOpt, (decl'left, docOptright)) | |
82 | ||
83 | decl' : EXTERN TYPE SYMBOL (DExternType SYMBOL) | |
84 | | EXTERN VAL SYMBOL COLON typ (DExternVal (SYMBOL, typ)) | |
85 | ||
86 | docOpt : (NONE) | |
87 | | DOC (SOME DOC) | |
88 | ||
89 | expOpt : (NONE) | |
90 | | exp (SOME (ELocal exp, (expleft, expright))) | |
91 | ||
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92 | |
93 | exp : apps (apps) | |
27d9de59 AC |
94 | | BSLASH SYMBOL COLON LPAREN typ RPAREN ARROW exp (ELam (SYMBOL, SOME typ, exp), |
95 | (BSLASHleft, expright)) | |
96 | | BSLASH SYMBOL ARROW exp (ELam (SYMBOL, NONE, exp), (BSLASHleft, expright)) | |
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97 | | CSYMBOL EQ exp (ESet (CSYMBOL, exp), (CSYMBOLleft, expright)) |
98 | | exp SEMI exp (let | |
99 | val ls = case #1 exp2 of | |
100 | ESeq ls => exp :: ls | |
101 | | _ => [exp1, exp2] | |
102 | in | |
103 | (ESeq ls, (exp1left, exp2right)) | |
104 | end) | |
234b917a AC |
105 | | SYMBOL LARROW CSYMBOL SEMI exp (EGet (SYMBOL, CSYMBOL, exp), (SYMBOLleft, expright)) |
106 | | apps WITH END (EWith (apps, (ESkip, (WITHleft, ENDright))), (appsleft, ENDright)) | |
107 | | apps WITH exp END (EWith (apps, exp), (appsleft, ENDright)) | |
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108 | |
109 | apps : term (term) | |
110 | | apps term (EApp (apps, term), (appsleft, termright)) | |
111 | ||
112 | term : LPAREN exp RPAREN (exp) | |
113 | | INT (EInt INT, (INTleft, INTright)) | |
114 | | STRING (EString STRING, (STRINGleft, STRINGright)) | |
115 | | LBRACK elist RBRACK (EList elist, (LBRACKleft, RBRACKright)) | |
63920aa5 AC |
116 | | LET exp IN exp END (ELocal (ESeq [exp1, exp2], (LETleft, ENDright)), |
117 | (LETleft, ENDright)) | |
a22c187b | 118 | | SYMBOL (EVar SYMBOL, (SYMBOLleft, SYMBOLright)) |
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119 | |
120 | elist : ([]) | |
121 | | elistNe (elistNe) | |
122 | ||
123 | elistNe: exp ([exp]) | |
124 | | exp COMMA elistNe (exp :: elistNe) | |
125 | ||
126 | typ : SYMBOL (TBase SYMBOL, (SYMBOLleft, SYMBOLright)) | |
a22c187b AC |
127 | | LBRACK typ RBRACK (TList typ, (LBRACKleft, RBRACKright)) |
128 | | typ ARROW typ (TArrow (typ1, typ2), (typleft, typright)) | |
63920aa5 | 129 | | LBRACK ctxt RBRACK recd DARROW recd (TAction (ctxt, recd1, recd2), (LBRACKleft, recd2right)) |
a22c187b | 130 | | LBRACK ctxt RBRACK recd (TAction (ctxt, recd, StringMap.empty), |
63920aa5 | 131 | (LBRACKleft, recdright)) |
a22c187b | 132 | | LBRACK ctxt RBRACK (TAction (ctxt, StringMap.empty, StringMap.empty), |
63920aa5 | 133 | (LBRACKleft, ctxtright)) |
a22c187b | 134 | | LPAREN typ RPAREN (typ) |
234b917a | 135 | | ctxt DARROW ctxt (TNested (ctxt1, ctxt2), (ctxt1left, ctxt2right)) |
a22c187b AC |
136 | |
137 | recd : LBRACE RBRACE (StringMap.empty) | |
138 | | LBRACE recdNe RBRACE (recdNe) | |
139 | ||
140 | recdNe : CSYMBOL COLON typ (StringMap.insert (StringMap.empty, CSYMBOL, typ)) | |
141 | | CSYMBOL COLON typ COMMA recdNe (StringMap.insert (recdNe, CSYMBOL, typ)) | |
142 | ||
143 | ctxt : ROOT (CRoot, (ROOTleft, ROOTright)) | |
144 | | CSYMBOL (CConst CSYMBOL, (CSYMBOLleft, CSYMBOLright)) | |
145 | | CARET ctxt (CPrefix ctxt, (CARETleft, ctxtright)) | |
146 | | BANG ctxt (CNot ctxt, (BANGleft, ctxtright)) | |
147 | | ctxt AND ctxt (CAnd (ctxt1, ctxt2), (ctxt1left, ctxt2right)) | |
148 | | LPAREN ctxt RPAREN (ctxt) |