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#ifndef _MAILUTILS_LOCUS_H
#define _MAILUTILS_LOCUS_H
#include <string.h>
#include <stdarg.h>
struct mu_locus_point
{
char const *mu_file;
unsigned mu_line;
unsigned mu_col;
};
#define MU_LOCUS_POINT_INITIALIZER { NULL, 0, 0 }
struct mu_locus_range
{
struct mu_locus_point beg;
struct mu_locus_point end;
};
#define MU_LOCUS_RANGE_INITIALIZER \
{ MU_LOCUS_POINT_INITIALIZER, MU_LOCUS_POINT_INITIALIZER }
typedef struct mu_linetrack *mu_linetrack_t;
struct mu_linetrack_stat
{
unsigned start_line; /* Start line number (1-based) */
size_t n_lines; /* Number of lines, including the recent (incomplete)
one */
size_t n_chars; /* Total number of characters */
};
int mu_ident_ref (char const *name, char const **refname);
int mu_ident_deref (char const *);
int mu_locus_point_set_file (struct mu_locus_point *pt, const char *filename);
int mu_locus_point_init (struct mu_locus_point *pt, const char *filename);
void mu_locus_point_deinit (struct mu_locus_point *pt);
int mu_locus_point_copy (struct mu_locus_point *dest,
struct mu_locus_point const *src);
int mu_locus_range_copy (struct mu_locus_range *dest,
struct mu_locus_range const *src);
void mu_locus_range_deinit (struct mu_locus_range *lr);
static inline int
mu_locus_point_same_file (struct mu_locus_point const *a,
struct mu_locus_point const *b)
{
return a->mu_file == b->mu_file
|| (a->mu_file && b->mu_file && strcmp(a->mu_file, b->mu_file) == 0);
}
static inline int
mu_locus_point_same_line (struct mu_locus_point const *a,
struct mu_locus_point const *b)
{
return mu_locus_point_same_file (a, b) && a->mu_line == b->mu_line;
}
void mu_lrange_debug (struct mu_locus_range const *loc,
char const *fmt, ...);
int mu_linetrack_create (mu_linetrack_t *ret,
char const *file_name, size_t max_lines);
int mu_linetrack_rebase (mu_linetrack_t trk, struct mu_locus_point const *pt);
void mu_linetrack_free (mu_linetrack_t trk);
void mu_linetrack_destroy (mu_linetrack_t *trk);
void mu_linetrack_advance (mu_linetrack_t trk,
struct mu_locus_range *loc,
char const *text, size_t leng);
int mu_linetrack_retreat (mu_linetrack_t trk, size_t n);
int mu_linetrack_locus (struct mu_linetrack *trk, struct mu_locus_point *lp);
int mu_linetrack_stat (mu_linetrack_t trk, struct mu_linetrack_stat *st);
int mu_linetrack_at_bol (struct mu_linetrack *trk);
void mu_stream_print_locus_point (mu_stream_t stream,
struct mu_locus_point const *lpt);
void mu_stream_print_locus_range (mu_stream_t stream,
struct mu_locus_range const *loc);
void mu_stream_vlprintf (mu_stream_t stream,
struct mu_locus_range const *loc,
char const *fmt, va_list ap);
void mu_stream_lprintf (mu_stream_t stream,
struct mu_locus_range const *loc,
char const *fmt, ...);
void mu_lrange_debug (struct mu_locus_range const *loc,
char const *fmt, ...);
#endif
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