/* Definition of data structures describing shell commands for GNU Make.
Copyright (C) 1988-2016 Free Software Foundation, Inc.
This file is part of GNU Make.

GNU Make is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3 of the License, or (at your option) any later
version.

GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with
this program.  If not, see <http://www.gnu.org/licenses/>.  */

/* Structure that gives the commands to make a file
   and information about where these commands came from.  */

struct commands
  {
    floc fileinfo;              /* Where commands were defined.  */
    char *commands;             /* Commands text.  */
    char **command_lines;       /* Commands chopped up into lines.  */
#ifdef CONFIG_WITH_COMMANDS_FUNC
    unsigned short *lines_flags;/* One set of flag bits for each line.  */
#else
    unsigned char *lines_flags; /* One set of flag bits for each line.  */
#endif
    unsigned short ncommand_lines;/* Number of command lines.  */
    char recipe_prefix;         /* Recipe prefix for this command set.  */
    unsigned int any_recurse:1; /* Nonzero if any 'lines_flags' elt has */
                                /* the COMMANDS_RECURSE bit set.  */
#ifdef CONFIG_WITH_MEMORY_OPTIMIZATIONS
    int refs;			/* References.  */
#endif
  };

/* Bits in 'lines_flags'.  */
#define COMMANDS_RECURSE        1 /* Recurses: + or $(MAKE).  */
#define COMMANDS_SILENT         2 /* Silent: @.  */
#define COMMANDS_NOERROR        4 /* No errors: -.  */
#ifdef CONFIG_WITH_EXTENDED_NOTPARALLEL
# define COMMANDS_NOTPARALLEL   32  /* kmk: The commands must be executed alone. */
# define COMMANDS_NO_COMMANDS   64  /* kmk: No commands. */
#endif
#ifdef CONFIG_WITH_KMK_BUILTIN
# define COMMANDS_KMK_BUILTIN   128 /* kmk: kmk builtin command. */
#endif
#ifdef CONFIG_WITH_COMMANDS_FUNC
# define COMMAND_GETTER_SKIP_IT 256 /* $(commands target) skips this: % */
#endif

RETSIGTYPE fatal_error_signal (int sig);
void execute_file_commands (struct file *file);
void print_commands (const struct commands *cmds);
void delete_child_targets (struct child *child);
void chop_commands (struct commands *cmds);
#ifdef CONFIG_WITH_MEMORY_OPTIMIZATIONS
void free_chopped_commands (struct commands *cmd);
#endif
#if defined(CONFIG_WITH_COMMANDS_FUNC) || defined (CONFIG_WITH_DOT_MUST_MAKE)
void set_file_variables (struct file *file, int called_early);
#else
void set_file_variables (struct file *file);
#endif
#ifdef CONFIG_WITH_LAZY_DEPS_VARS
struct dep *create_uniqute_deps_chain (struct dep *deps);
#endif