toolchain/gcc/gcc/f/lab.h

   1 /* lab.h -- Public #include File (module.h template V1.0)
   2    Copyright (C) 1995, 2003 Free Software Foundation, Inc.
   3    Contributed by James Craig Burley.
   4
   5 This file is part of GNU Fortran.
   6
   7 GNU Fortran is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 GNU Fortran is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU Fortran; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  20 02111-1307, USA.
  21
  22    Owning Modules:
  23       lab.c
  24
  25    Modifications:
  26       22-Aug-89  JCB  1.1
  27          Change for new ffewhere interface.
  28 */
  29
  30 /* Allow multiple inclusion to work. */
  31
  32 #ifndef GCC_F_LAB_H
  33 #define GCC_F_LAB_H
  34
  35 /* Simple definitions and enumerations. */
  36
  37 typedef enum
  38   {
  39     FFELAB_typeUNKNOWN,         /* No info yet on label. */
  40     FFELAB_typeANY,             /* Label valid for anything, no msgs. */
  41     FFELAB_typeUSELESS,         /* No valid way to reference this label. */
  42     FFELAB_typeASSIGNABLE,      /* Target of ASSIGN: so FORMAT or BRANCH. */
  43     FFELAB_typeFORMAT,          /* FORMAT label. */
  44     FFELAB_typeLOOPEND,         /* Target of a labeled DO statement. */
  45     FFELAB_typeNOTLOOP,         /* Branch target statement not valid DO
  46                                    target. */
  47     FFELAB_typeENDIF,           /* END IF label. */
  48     FFELAB_type
  49   } ffelabType;
  50
  51 #define FFELAB_valueNONE 0
  52 #define FFELAB_valueMAX 99999
  53
  54 /* Typedefs. */
  55
  56 typedef struct _ffelab_ *ffelab;
  57 typedef ffelab ffelabHandle;
  58 typedef unsigned long ffelabNumber;     /* Count of new labels. */
  59 #define ffelabNumber_f "l"
  60 typedef unsigned long ffelabValue;
  61 #define ffelabValue_f "l"
  62
  63 /* Include files needed by this one. */
  64
  65 #include "com.h"
  66 #include "where.h"
  67
  68 /* Structure definitions. */
  69
  70 struct _ffelab_
  71   {
  72     ffelab next;
  73     ffecomLabel hook;
  74     ffelabValue value;          /* 1 through 99999, or 100000+ for temp
  75                                    labels. */
  76     unsigned long blocknum;     /* Managed entirely by user of module. */
  77     ffewhereLine firstref_line;
  78     ffewhereColumn firstref_col;
  79     ffewhereLine doref_line;
  80     ffewhereColumn doref_col;
  81     ffewhereLine definition_line;       /* ffewhere_line_unknown() if not
  82                                            defined. */
  83     ffewhereColumn definition_col;
  84     ffelabType type;
  85   };
  86
  87 /* Global objects accessed by users of this module. */
  88
  89 extern ffelab ffelab_list_;
  90 extern ffelabNumber ffelab_num_news_;
  91
  92 /* Declare functions with prototypes. */
  93
  94 ffelab ffelab_find (ffelabValue v);
  95 void ffelab_finish (void);
  96 void ffelab_init_3 (void);
  97 ffelab ffelab_new (ffelabValue v);
  98
  99 /* Define macros. */
 100
 101 #define ffelab_blocknum(l) ((l)->blocknum)
 102 #define ffelab_definition_column(l) ((l)->definition_col)
 103 #define ffelab_definition_filename(l) \
 104       ffewhere_line_filename((l)->definition_line)
 105 #define ffelab_definition_filelinenum(l) \
 106       ffewhere_line_filelinenum((l)->definition_line)
 107 #define ffelab_definition_line(l) ((l)->definition_line)
 108 #define ffelab_definition_line_number(l) \
 109       ffewhere_line_number((l)->definition_line)
 110 #define ffelab_doref_column(l) ((l)->doref_col)
 111 #define ffelab_doref_filename(l) ffewhere_line_filename((l)->doref_line)
 112 #define ffelab_doref_filelinenum(l) ffewhere_line_filelinenum((l)->doref_line)
 113 #define ffelab_doref_line(l) ((l)->doref_line)
 114 #define ffelab_doref_line_number(l) ffewhere_line_number((l)->doref_line)
 115 #define ffelab_firstref_column(l) ((l)->firstref_col)
 116 #define ffelab_firstref_filename(l) ffewhere_line_filename((l)->firstref_line)
 117 #define ffelab_firstref_filelinenum(l) \
 118       ffewhere_line_filelinenum((l)->firstref_line)
 119 #define ffelab_firstref_line(l) ((l)->firstref_line)
 120 #define ffelab_firstref_line_number(l) ffewhere_line_number((l)->firstref_line)
 121 #define ffelab_handle_done(h)
 122 #define ffelab_handle_first() ((ffelabHandle) ffelab_list_)
 123 #define ffelab_handle_next(h) ((ffelabHandle) (((ffelab) h)->next))
 124 #define ffelab_handle_target(h) ((ffelab) h)
 125 #define ffelab_hook(l) ((l)->hook)
 126 #define ffelab_init_0()
 127 #define ffelab_init_1()
 128 #define ffelab_init_2()
 129 #define ffelab_init_4()
 130 #define ffelab_kill(l) ffelab_set_value(l,FFELAB_valueNONE);
 131 #define ffelab_new_generated() (ffelab_new(ffelab_generated_++))
 132 #define ffelab_number() (ffelab_num_news_)
 133 #define ffelab_set_blocknum(l,b) ((l)->blocknum = (b))
 134 #define ffelab_set_definition_column(l,cn) ((l)->definition_col = (cn))
 135 #define ffelab_set_definition_line(l,ln) ((l)->definition_line = (ln))
 136 #define ffelab_set_doref_column(l,cn) ((l)->doref_col = (cn))
 137 #define ffelab_set_doref_line(l,ln) ((l)->doref_line = (ln))
 138 #define ffelab_set_firstref_column(l,cn) ((l)->firstref_col = (cn))
 139 #define ffelab_set_firstref_line(l,ln) ((l)->firstref_line = (ln))
 140 #define ffelab_set_hook(l,h) ((l)->hook = (h))
 141 #define ffelab_set_type(l,t) ((l)->type = (t))
 142 #define ffelab_terminate_0()
 143 #define ffelab_terminate_1()
 144 #define ffelab_terminate_2()
 145 #define ffelab_terminate_3()
 146 #define ffelab_terminate_4()
 147 #define ffelab_type(l) ((l)->type)
 148 #define ffelab_value(l) ((l)->value)
 149
 150 /* End of #include file. */
 151
 152 #endif /* ! GCC_F_LAB_H */