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63920aa5 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 | *) |
63920aa5 AC |
18 | |
19 | (* Pretty-printing Domtool configuration file ASTs *) | |
20 | ||
9b7ee2b2 | 21 | signature PRINT_ARG = PRINTFN_INPUT where type rendering = unit |
63920aa5 | 22 | |
9b7ee2b2 | 23 | structure PrintArg :> PRINT_ARG = struct |
63920aa5 AC |
24 | |
25 | structure SM = TextIOPP | |
26 | ||
27 | structure PD = PPDescFn(SM) | |
28 | open PD | |
29 | ||
9b7ee2b2 AC |
30 | val keyword = string |
31 | val punct = string | |
32 | val field = string | |
33 | val lit = string | |
34 | val ident = string | |
63920aa5 | 35 | |
9b7ee2b2 AC |
36 | val context = string |
37 | val typ = string | |
38 | val exp = string | |
63920aa5 | 39 | |
9b7ee2b2 AC |
40 | fun anchor (_, d) = d |
41 | fun link (_, d) = d | |
63920aa5 | 42 | |
9b7ee2b2 AC |
43 | type rendering = unit |
44 | fun openStream () = SM.openOut {dst = TextIO.stdOut, wid = 80} | |
45 | fun closeStream s = (SM.newline s; SM.closeStream s) | |
629a34f6 | 46 | |
63920aa5 | 47 | end |
9b7ee2b2 AC |
48 | |
49 | structure Print = PrintFn(PrintArg) |