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1 /* Muscle table manager for Bison,
2    Copyright (C) 2001, 2002, 2003 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., 51 Franklin Street, Fifth Floor,
19    Boston, MA 02110-1301, USA.  */
20 
21 #ifndef MUSCLE_TAB_H_
22 # define MUSCLE_TAB_H_
23 
24 # include "location.h"
25 
26 void muscle_init (void);
27 void muscle_insert (const char *key, char *value);
28 char *muscle_find (const char *key);
29 void muscle_free (void);
30 
31 
32 /* An obstack dedicated to receive muscle keys and values.  */
33 extern struct obstack muscle_obstack;
34 
35 #define MUSCLE_INSERT_BOOL(Key, Value)				\
36 {								\
37   int v = Value;						\
38   MUSCLE_INSERT_INT (Key, v);					\
39 }
40 
41 #define MUSCLE_INSERT_INT(Key, Value)				\
42 {								\
43   obstack_fgrow1 (&muscle_obstack, "%d", Value);		\
44   obstack_1grow (&muscle_obstack, 0);				\
45   muscle_insert (Key, obstack_finish (&muscle_obstack));	\
46 }
47 
48 #define MUSCLE_INSERT_LONG_INT(Key, Value)			\
49 {								\
50   obstack_fgrow1 (&muscle_obstack, "%ld", Value);		\
51   obstack_1grow (&muscle_obstack, 0);				\
52   muscle_insert (Key, obstack_finish (&muscle_obstack));	\
53 }
54 
55 #define MUSCLE_INSERT_STRING(Key, Value)			\
56 {								\
57   obstack_sgrow (&muscle_obstack, Value);			\
58   obstack_1grow (&muscle_obstack, 0);				\
59   muscle_insert (Key, obstack_finish (&muscle_obstack));	\
60 }
61 
62 #define MUSCLE_OBSTACK_SGROW(Obstack, Value)			\
63 {								\
64   char const *p;						\
65   for (p = Value; *p; p++)					\
66     switch (*p)							\
67       {								\
68       case '$':	obstack_sgrow (Obstack, "$]["); break;		\
69       case '@':	obstack_sgrow (Obstack, "@@" ); break;		\
70       case '[':	obstack_sgrow (Obstack, "@{" ); break;		\
71       case ']':	obstack_sgrow (Obstack, "@}" ); break;		\
72       default: obstack_1grow (Obstack, *p); break;		\
73       }								\
74 }
75 
76 #define MUSCLE_INSERT_C_STRING(Key, Value)			\
77 {								\
78   MUSCLE_OBSTACK_SGROW (&muscle_obstack,			\
79 			quotearg_style (c_quoting_style,	\
80 					Value));		\
81   obstack_1grow (&muscle_obstack, 0);				\
82   muscle_insert (Key, obstack_finish (&muscle_obstack));	\
83 }
84 
85 /* Insert (KEY, VALUE).  If KEY already existed, overwrite the
86    previous value.  Uses MUSCLE_OBSTACK.  De-allocates the previously
87    associated value.  VALUE and SEPARATOR are copied.  */
88 
89 void muscle_grow (const char *key, const char *value, const char *separator);
90 
91 
92 /* Append VALUE to the current value of KEY, using muscle_grow.  But
93    in addition, issue a synchronization line for the location LOC.  */
94 
95 void muscle_code_grow (const char *key, const char *value, location loc);
96 
97 
98 /* MUSCLE is an M4 list of pairs.  Create or extend it with the pair
99    (A1, A2).  Note that because the muscle values are output *double*
100    quoted, one needs to strip the first level of quotes to reach the
101    list itself.  */
102 
103 void muscle_pair_list_grow (const char *muscle,
104 			    const char *a1, const char *a2);
105 
106 void muscles_m4_output (FILE *out);
107 
108 #endif /* not MUSCLE_TAB_H_ */
109