gprof/source.h

/* source.h

   Copyright (C) 2000-2023 Free Software Foundation, Inc.

   This file is part of GNU Binutils.

   This program 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.

   This program 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, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */

#ifndef source_h
#define source_h

typedef struct source_file
  {
    struct source_file *next;
    const char *name;		/* Name of source file.  */
    unsigned long ncalls;	/* # of "calls" to this file.  */
    int num_lines;		/* # of lines in file.  */
    int nalloced;		/* Number of lines allocated.  */
    void **line;		/* Usage-dependent per-line data.  */
  }
Source_File;

/* Options.  */

/* Create annotated output files?  */
extern bool create_annotation_files;

/* List of directories to search for source files.  */
extern Search_List src_search_list;

/* Chain of source-file descriptors.  */
extern Source_File *first_src_file;

/* Returns pointer to source file descriptor for PATH/FILENAME.  */
extern Source_File *source_file_lookup_path (const char *);
extern Source_File *source_file_lookup_name (const char *);

/* Read source file SF output annotated source.  The annotation is at
   MAX_WIDTH characters wide and for each source-line an annotation is
   obtained by invoking function ANNOTE.  ARG is an argument passed to
   ANNOTE that is left uninterpreted by annotate_source().

   Returns a pointer to the output file (which maybe stdout) such
   that summary statistics can be printed.  If the returned file
   is not stdout, it should be closed when done with it.  */
extern FILE *annotate_source
  (Source_File *sf, unsigned int max_width,
	   void (*annote) (char *, unsigned int, int, void *),
	   void *arg);
#endif /* source_h */