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1 | /* Macro table manager for Bison, | |
2 | Copyright 1984, 1989, 2000 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of Bison, the GNU Compiler Compiler. | |
5 | ||
6 | Bison is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2, or (at your option) | |
9 | any later version. | |
10 | ||
11 | Bison is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with Bison; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | #include <string.h> | |
22 | ||
23 | #include "xalloc.h" | |
24 | #include "system.h" | |
25 | #include "hash.h" | |
26 | #include "files.h" | |
27 | #include "muscle_tab.h" | |
28 | #include "getargs.h" | |
29 | ||
30 | struct hash_table muscle_table; | |
31 | ||
32 | static unsigned long | |
33 | mhash1 (const void *item) | |
34 | { | |
35 | return_STRING_HASH_1 (((muscle_entry_t *) item)->key); | |
36 | } | |
37 | ||
38 | static unsigned long | |
39 | mhash2 (const void *item) | |
40 | { | |
41 | return_STRING_HASH_2 (((muscle_entry_t *) item)->key); | |
42 | } | |
43 | ||
44 | static int | |
45 | mcmp (const void *x, const void *y) | |
46 | { | |
47 | return strcmp (((muscle_entry_t*) x)->key, ((muscle_entry_t *) y)->key); | |
48 | } | |
49 | ||
50 | void | |
51 | muscle_init (void) | |
52 | { | |
53 | hash_init (&muscle_table, MTABSIZE, &mhash1, &mhash2, &mcmp); | |
54 | ||
55 | /* Version and input file. */ | |
56 | muscle_insert ("version", VERSION); | |
57 | muscle_insert ("filename", infile); | |
58 | ||
59 | /* Skeleton use. */ | |
60 | muscle_insert ("skeleton", skeleton); | |
61 | ||
62 | /* Types. */ | |
63 | muscle_insert ("stype", "int"); | |
64 | muscle_insert ("ltype", "yyltype"); | |
65 | ||
66 | /* Tokens. */ | |
67 | muscle_insert ("tokendef", ""); | |
68 | ||
69 | /* Tables. */ | |
70 | muscle_insert ("rhs", "0"); | |
71 | muscle_insert ("pact", "0"); | |
72 | muscle_insert ("prhs", "0"); | |
73 | muscle_insert ("stos", "0"); | |
74 | muscle_insert ("check", "0"); | |
75 | muscle_insert ("pgoto", "0"); | |
76 | muscle_insert ("table", "0"); | |
77 | muscle_insert ("tname", "0"); | |
78 | muscle_insert ("defact", "0"); | |
79 | muscle_insert ("toknum", "0"); | |
80 | muscle_insert ("defgoto", "0"); | |
81 | muscle_insert ("translate", "0"); | |
82 | ||
83 | /* Various macros. */ | |
84 | muscle_insert ("flag", "0"); | |
85 | muscle_insert ("last", "0"); | |
86 | muscle_insert ("pure", "0"); | |
87 | muscle_insert ("nsym", "0"); | |
88 | muscle_insert ("debug", "0"); | |
89 | muscle_insert ("final", "0"); | |
90 | muscle_insert ("maxtok", "0"); | |
91 | muscle_insert ("ntbase", "0"); | |
92 | muscle_insert ("verbose", "0"); | |
93 | muscle_insert ("prefix", "yy"); | |
94 | /* Default #line formatting. */ | |
95 | muscle_insert ("linef", "#line %d %s\n"); | |
96 | ||
97 | /* No parser macros. */ | |
98 | muscle_insert ("nnts", "0"); | |
99 | muscle_insert ("nrules", "0"); | |
100 | muscle_insert ("nstates", "0"); | |
101 | muscle_insert ("ntokens", "0"); | |
102 | ||
103 | /* Stack parameters. */ | |
104 | muscle_insert ("maxdepth", "10000"); | |
105 | muscle_insert ("initdepth", "200"); | |
106 | ||
107 | /* C++ macros. */ | |
108 | muscle_insert ("name", "Parser"); | |
109 | } | |
110 | ||
111 | void | |
112 | muscle_insert (const char *key, const char *value) | |
113 | { | |
114 | muscle_entry_t *pair = XMALLOC (muscle_entry_t, 1); | |
115 | pair->key = key; | |
116 | pair->value = value; | |
117 | hash_insert (&muscle_table, pair); | |
118 | } | |
119 | ||
120 | const char* | |
121 | muscle_find (const char *key) | |
122 | { | |
123 | muscle_entry_t pair = { key, 0 }; | |
124 | muscle_entry_t *result = hash_find_item (&muscle_table, &pair); | |
125 | return result ? result->value : 0; | |
126 | } |