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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 *) | |
20 | open Ast | |
21 | ||
22 | %% | |
23 | %header (functor DomtoolLrValsFn(structure Token : TOKEN)) | |
24 | ||
25 | %term | |
26 | EOF | |
27 | | SYMBOL of string | CSYMBOL of string | |
28 | | STRING of string | |
29 | | INT of int | |
a22c187b | 30 | | ARROW | DARROW | COLON | CARET | BANG | AND |
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31 | | LPAREN | RPAREN | LBRACK | RBRACK | LBRACE | RBRACE |
32 | | EQ | COMMA | BSLASH | SEMI | LET | IN | END | |
a22c187b | 33 | | ROOT |
42198578 AC |
34 | |
35 | %nonterm | |
36 | file of exp | |
37 | | exp of exp | |
38 | | apps of exp | |
39 | | term of exp | |
40 | | elist of exp list | |
41 | | elistNe of exp list | |
42 | | clist of exp list | |
43 | | typ of typ | |
a22c187b AC |
44 | | ctxt of context |
45 | | recd of record | |
46 | | recdNe of record | |
42198578 AC |
47 | |
48 | %verbose (* print summary of errors *) | |
49 | %pos int (* positions *) | |
50 | %start file | |
51 | %pure | |
52 | %eop EOF | |
53 | %noshift EOF | |
54 | ||
55 | %name Domtool | |
56 | ||
57 | %right SEMI | |
a22c187b | 58 | %nonassoc COLON |
42198578 | 59 | %nonassoc IN |
a22c187b | 60 | %right ARROW DARROW |
42198578 AC |
61 | %right COMMA |
62 | %nonassoc EQ | |
a22c187b AC |
63 | %right AND |
64 | %nonassoc CARET BANG | |
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65 | |
66 | %% | |
67 | ||
68 | file : exp (exp) | |
69 | ||
70 | exp : apps (apps) | |
a22c187b | 71 | | BSLASH SYMBOL COLON LPAREN typ RPAREN ARROW exp (ELam (SYMBOL, typ, exp), (BSLASHleft, expright)) |
42198578 AC |
72 | | CSYMBOL EQ exp (ESet (CSYMBOL, exp), (CSYMBOLleft, expright)) |
73 | | exp SEMI exp (let | |
74 | val ls = case #1 exp2 of | |
75 | ESeq ls => exp :: ls | |
76 | | _ => [exp1, exp2] | |
77 | in | |
78 | (ESeq ls, (exp1left, exp2right)) | |
79 | end) | |
80 | ||
81 | apps : term (term) | |
82 | | apps term (EApp (apps, term), (appsleft, termright)) | |
83 | ||
84 | term : LPAREN exp RPAREN (exp) | |
85 | | INT (EInt INT, (INTleft, INTright)) | |
86 | | STRING (EString STRING, (STRINGleft, STRINGright)) | |
87 | | LBRACK elist RBRACK (EList elist, (LBRACKleft, RBRACKright)) | |
88 | | LET exp IN exp END (let | |
89 | val ls = case (#1 exp1, #1 exp2) of | |
90 | (ESeq ls1, ESeq ls2) => ls1 @ ls2 | |
91 | | (ESeq ls, _) => ls @ [exp2] | |
92 | | (_, ESeq ls) => exp1 :: ls | |
93 | | _ => [exp1, exp2] | |
94 | in | |
a22c187b AC |
95 | (ELocal (ESeq ls, (exp1left, exp2right)), |
96 | (exp1left, exp2right)) | |
42198578 | 97 | end) |
a22c187b AC |
98 | | SYMBOL (EVar SYMBOL, (SYMBOLleft, SYMBOLright)) |
99 | | CSYMBOL (EEnv CSYMBOL, (CSYMBOLleft, CSYMBOLright)) | |
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100 | |
101 | elist : ([]) | |
102 | | elistNe (elistNe) | |
103 | ||
104 | elistNe: exp ([exp]) | |
105 | | exp COMMA elistNe (exp :: elistNe) | |
106 | ||
107 | typ : SYMBOL (TBase SYMBOL, (SYMBOLleft, SYMBOLright)) | |
a22c187b AC |
108 | | LBRACK typ RBRACK (TList typ, (LBRACKleft, RBRACKright)) |
109 | | typ ARROW typ (TArrow (typ1, typ2), (typleft, typright)) | |
110 | | LBRACK ctxt RBRACK recd DARROW recd (TAction (ctxt, recd1, recd2), (ctxtleft, recd2right)) | |
111 | | LBRACK ctxt RBRACK recd (TAction (ctxt, recd, StringMap.empty), | |
112 | (ctxtleft, recdright)) | |
113 | | LBRACK ctxt RBRACK (TAction (ctxt, StringMap.empty, StringMap.empty), | |
114 | (ctxtleft, ctxtright)) | |
115 | | LPAREN typ RPAREN (typ) | |
116 | ||
117 | recd : LBRACE RBRACE (StringMap.empty) | |
118 | | LBRACE recdNe RBRACE (recdNe) | |
119 | ||
120 | recdNe : CSYMBOL COLON typ (StringMap.insert (StringMap.empty, CSYMBOL, typ)) | |
121 | | CSYMBOL COLON typ COMMA recdNe (StringMap.insert (recdNe, CSYMBOL, typ)) | |
122 | ||
123 | ctxt : ROOT (CRoot, (ROOTleft, ROOTright)) | |
124 | | CSYMBOL (CConst CSYMBOL, (CSYMBOLleft, CSYMBOLright)) | |
125 | | CARET ctxt (CPrefix ctxt, (CARETleft, ctxtright)) | |
126 | | BANG ctxt (CNot ctxt, (BANGleft, ctxtright)) | |
127 | | ctxt AND ctxt (CAnd (ctxt1, ctxt2), (ctxt1left, ctxt2right)) | |
128 | | LPAREN ctxt RPAREN (ctxt) |