src/muscle_tab.h

   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., 59 Temple Place - Suite 330,
  19    Boston, MA 02111-1307, 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_ */