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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 *) |
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20 | |
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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 |
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 |
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35 | | ROOT |
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36 | |
37 | %nonterm |
38 | file of exp |
39 | | exp of exp |
40 | | apps of exp |
41 | | term of exp |
42 | | elist of exp list |
43 | | elistNe of exp list |
44 | | clist of exp list |
45 | | typ of typ |
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46 | | ctxt of pred |
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47 | | recd of record |
48 | | recdNe of record |
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49 | |
50 | %verbose (* print summary of errors *) |
51 | %pos int (* positions *) |
52 | %start file |
53 | %pure |
54 | %eop EOF |
55 | %noshift EOF |
56 | |
57 | %name Domtool |
58 | |
59 | %right SEMI |
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60 | %nonassoc COLON |
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61 | %nonassoc IN |
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62 | %right ARROW DARROW |
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63 | %right COMMA |
64 | %nonassoc EQ |
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65 | %right AND |
66 | %nonassoc CARET BANG |
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67 | |
68 | %% |
69 | |
70 | file : exp (exp) |
71 | |
72 | exp : apps (apps) |
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73 | | BSLASH SYMBOL COLON LPAREN typ RPAREN ARROW exp (ELam (SYMBOL, SOME typ, exp), |
74 | (BSLASHleft, expright)) |
75 | | BSLASH SYMBOL ARROW exp (ELam (SYMBOL, NONE, exp), (BSLASHleft, expright)) |
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76 | | CSYMBOL EQ exp (ESet (CSYMBOL, exp), (CSYMBOLleft, expright)) |
77 | | exp SEMI exp (let |
78 | val ls = case #1 exp2 of |
79 | ESeq ls => exp :: ls |
80 | | _ => [exp1, exp2] |
81 | in |
82 | (ESeq ls, (exp1left, exp2right)) |
83 | end) |
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84 | | SYMBOL LARROW CSYMBOL SEMI exp (EGet (SYMBOL, CSYMBOL, exp), (SYMBOLleft, expright)) |
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85 | |
86 | apps : term (term) |
87 | | apps term (EApp (apps, term), (appsleft, termright)) |
88 | |
89 | term : LPAREN exp RPAREN (exp) |
90 | | INT (EInt INT, (INTleft, INTright)) |
91 | | STRING (EString STRING, (STRINGleft, STRINGright)) |
92 | | LBRACK elist RBRACK (EList elist, (LBRACKleft, RBRACKright)) |
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93 | | LET exp IN exp END (ELocal (ESeq [exp1, exp2], (LETleft, ENDright)), |
94 | (LETleft, ENDright)) |
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95 | | SYMBOL (EVar SYMBOL, (SYMBOLleft, SYMBOLright)) |
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96 | |
97 | elist : ([]) |
98 | | elistNe (elistNe) |
99 | |
100 | elistNe: exp ([exp]) |
101 | | exp COMMA elistNe (exp :: elistNe) |
102 | |
103 | typ : SYMBOL (TBase SYMBOL, (SYMBOLleft, SYMBOLright)) |
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104 | | LBRACK typ RBRACK (TList typ, (LBRACKleft, RBRACKright)) |
105 | | typ ARROW typ (TArrow (typ1, typ2), (typleft, typright)) |
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106 | | LBRACK ctxt RBRACK recd DARROW recd (TAction (ctxt, recd1, recd2), (LBRACKleft, recd2right)) |
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107 | | LBRACK ctxt RBRACK recd (TAction (ctxt, recd, StringMap.empty), |
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108 | (LBRACKleft, recdright)) |
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109 | | LBRACK ctxt RBRACK (TAction (ctxt, StringMap.empty, StringMap.empty), |
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110 | (LBRACKleft, ctxtright)) |
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111 | | LPAREN typ RPAREN (typ) |
112 | |
113 | recd : LBRACE RBRACE (StringMap.empty) |
114 | | LBRACE recdNe RBRACE (recdNe) |
115 | |
116 | recdNe : CSYMBOL COLON typ (StringMap.insert (StringMap.empty, CSYMBOL, typ)) |
117 | | CSYMBOL COLON typ COMMA recdNe (StringMap.insert (recdNe, CSYMBOL, typ)) |
118 | |
119 | ctxt : ROOT (CRoot, (ROOTleft, ROOTright)) |
120 | | CSYMBOL (CConst CSYMBOL, (CSYMBOLleft, CSYMBOLright)) |
121 | | CARET ctxt (CPrefix ctxt, (CARETleft, ctxtright)) |
122 | | BANG ctxt (CNot ctxt, (BANGleft, ctxtright)) |
123 | | ctxt AND ctxt (CAnd (ctxt1, ctxt2), (ctxt1left, ctxt2right)) |
124 | | LPAREN ctxt RPAREN (ctxt) |