gnu/dist/gmake/rule.h

   1 /* Definitions for using pattern rules in GNU Make.
   2 Copyright (C) 1988, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
   3 This file is part of GNU Make.
   4
   5 GNU Make is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2, or (at your option)
   8 any later version.
   9
  10 GNU Make is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with GNU Make; see the file COPYING.  If not, write to
  17 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18 Boston, MA 02111-1307, USA.  */
  19
  20 /* Structure used for pattern rules.  */
  21
  22 struct rule
  23   {
  24     struct rule *next;
  25     char **targets;             /* Targets of the rule.  */
  26     unsigned int *lens;         /* Lengths of each target.  */
  27     char **suffixes;            /* Suffixes (after `%') of each target.  */
  28     struct dep *deps;           /* Dependencies of the rule.  */
  29     struct commands *cmds;      /* Commands to execute.  */
  30     char terminal;              /* If terminal (double-colon).  */
  31     char in_use;                /* If in use by a parent pattern_search.  */
  32   };
  33
  34 struct pattern_var
  35   {
  36     struct pattern_var *next;
  37     char *target;
  38     unsigned int len;
  39     char *suffix;
  40     struct variable_set_list *vars;
  41   };
  42
  43 /* For calling install_pattern_rule.  */
  44 struct pspec
  45   {
  46     char *target, *dep, *commands;
  47   };
  48
  49
  50 extern struct rule *pattern_rules;
  51 extern struct rule *last_pattern_rule;
  52 extern unsigned int num_pattern_rules;
  53
  54 extern unsigned int max_pattern_deps;
  55 extern unsigned int max_pattern_targets;
  56 extern unsigned int max_pattern_dep_length;
  57
  58 extern struct file *suffix_file;
  59 extern unsigned int maxsuffix;
  60
  61
  62 extern void install_pattern_rule PARAMS ((struct pspec *p, int terminal));
  63 extern int new_pattern_rule PARAMS ((struct rule *rule, int override));
  64 extern struct pattern_var *create_pattern_var PARAMS ((char *target, char *suffix));
  65 extern struct pattern_var *lookup_pattern_var PARAMS ((char *target));
  66 extern void count_implicit_rule_limits PARAMS ((void));
  67 extern void convert_to_pattern PARAMS ((void));
  68 extern void create_pattern_rule PARAMS ((char **targets,
  69                                          char **target_percents, int terminal,
  70                                          struct dep *deps,
  71                                          struct commands *commands,
  72                                          int override));