#include "hash.h"
enum variable_origin
{
o_default,
o_env,
o_file,
o_env_override,
o_command,
o_override,
o_automatic,
o_invalid
};
enum variable_flavor
{
f_bogus,
f_simple,
f_recursive,
f_append,
f_conditional
};
#define EXP_COUNT_BITS 15
#define EXP_COUNT_MAX ((1<<EXP_COUNT_BITS)-1)
struct variable
{
char *name;
int length;
char *value;
struct floc fileinfo;
unsigned int recursive:1;
unsigned int append:1;
unsigned int conditional:1;
unsigned int per_target:1;
unsigned int special:1;
unsigned int exportable:1;
unsigned int expanding:1;
unsigned int exp_count:EXP_COUNT_BITS;
enum variable_flavor
flavor ENUM_BITFIELD (3);
enum variable_origin
origin ENUM_BITFIELD (3);
enum variable_export
{
v_export,
v_noexport,
v_ifset,
v_default
} export ENUM_BITFIELD (2);
};
struct variable_set
{
struct hash_table table;
};
struct variable_set_list
{
struct variable_set_list *next;
struct variable_set *set;
};
struct pattern_var
{
struct pattern_var *next;
char *target;
unsigned int len;
char *suffix;
struct variable variable;
};
extern char *variable_buffer;
extern struct variable_set_list *current_variable_set_list;
extern char *variable_buffer_output PARAMS ((char *ptr, char *string, unsigned int length));
#if defined(__APPLE__) || defined(NeXT) || defined(NeXT_PDO)
extern char *initialize_variable_output PARAMS ((void));
extern char *save_variable_output PARAMS ((int *savelenp));
extern void restore_variable_output PARAMS ((char *save, int savelen));
#endif
extern char *variable_expand PARAMS ((char *line));
extern char *variable_expand_for_file PARAMS ((char *line, struct file *file));
extern char *allocated_variable_expand_for_file PARAMS ((char *line, struct file *file));
#define allocated_variable_expand(line) \
allocated_variable_expand_for_file (line, (struct file *) 0)
extern char *expand_argument PARAMS ((const char *str, const char *end));
extern char *variable_expand_string PARAMS ((char *line, char *string,
long length));
extern void install_variable_buffer PARAMS ((char **bufp, unsigned int *lenp));
extern void restore_variable_buffer PARAMS ((char *buf, unsigned int len));
extern int handle_function PARAMS ((char **op, char **stringp));
extern int pattern_matches PARAMS ((char *pattern, char *percent, char *str));
extern char *subst_expand PARAMS ((char *o, char *text, char *subst, char *replace,
unsigned int slen, unsigned int rlen, int by_word));
extern char *patsubst_expand PARAMS ((char *o, char *text, char *pattern, char *replace,
char *pattern_percent, char *replace_percent));
extern char *recursively_expand_for_file PARAMS ((struct variable *v,
struct file *file));
#define recursively_expand(v) recursively_expand_for_file (v, NULL)
extern struct variable_set_list *create_new_variable_set PARAMS ((void));
extern void free_variable_set PARAMS ((struct variable_set_list *));
extern struct variable_set_list *push_new_variable_scope PARAMS ((void));
extern void pop_variable_scope PARAMS ((void));
extern void define_automatic_variables PARAMS ((void));
extern void initialize_file_variables PARAMS ((struct file *file, int read));
extern void print_file_variables PARAMS ((struct file *file));
extern void print_variable_set PARAMS ((struct variable_set *set, char *prefix));
extern void merge_variable_set_lists PARAMS ((struct variable_set_list **to_list, struct variable_set_list *from_list));
extern struct variable *do_variable_definition PARAMS ((const struct floc *flocp, const char *name, char *value, enum variable_origin origin, enum variable_flavor flavor, int target_var));
extern struct variable *parse_variable_definition PARAMS ((struct variable *v, char *line));
extern struct variable *try_variable_definition PARAMS ((const struct floc *flocp, char *line, enum variable_origin origin, int target_var));
extern void init_hash_global_variable_set PARAMS ((void));
extern void hash_init_function_table PARAMS ((void));
extern struct variable *lookup_variable PARAMS ((const char *name, unsigned int length));
extern struct variable *lookup_variable_in_set PARAMS ((const char *name,
unsigned int length,
const struct variable_set *set));
extern struct variable *define_variable_in_set
PARAMS ((const char *name, unsigned int length, char *value,
enum variable_origin origin, int recursive,
struct variable_set *set, const struct floc *flocp));
#define define_variable(n,l,v,o,r) \
define_variable_in_set((n),(l),(v),(o),(r),\
current_variable_set_list->set,NILF)
#define define_variable_loc(n,l,v,o,r,f) \
define_variable_in_set((n),(l),(v),(o),(r),\
current_variable_set_list->set,(f))
#define define_variable_global(n,l,v,o,r,f) \
define_variable_in_set((n),(l),(v),(o),(r),NULL,(f))
#define define_variable_for_file(n,l,v,o,r,f) \
define_variable_in_set((n),(l),(v),(o),(r),(f)->variables->set,NILF)
#define warn_undefined(n,l) do{\
if (warn_undefined_variables_flag) \
error (reading_file, \
_("warning: undefined variable `%.*s'"), \
(int)(l), (n)); \
}while(0)
extern char **target_environment PARAMS ((struct file *file));
extern struct pattern_var *create_pattern_var PARAMS ((char *target, char *suffix));
extern int export_all_variables;
#define MAKELEVEL_NAME "MAKELEVEL"
#define MAKELEVEL_LENGTH (sizeof (MAKELEVEL_NAME) - 1)