path: root/src/nvim/buffer_defs.h

#ifndef NVIM_BUFFER_DEFS_H
#define NVIM_BUFFER_DEFS_H

#include <stdbool.h>
#include <stdint.h>
// for FILE
#include <stdio.h>

typedef struct file_buffer buf_T;  // Forward declaration

// Reference to a buffer that stores the value of buf_free_count.
// bufref_valid() only needs to check "buf" when the count differs.
typedef struct {
  buf_T *br_buf;
  int br_fnum;
  int br_buf_free_count;
} bufref_T;

// for garray_T
#include "nvim/garray.h"
// for ScreenGrid
#include "nvim/grid_defs.h"
// for HLF_COUNT
#include "nvim/highlight_defs.h"
// for pos_T, lpos_T and linenr_T
#include "nvim/pos.h"
// for the number window-local and buffer-local options
#include "nvim/option_defs.h"
// for jump list and tag stack sizes in a buffer and mark types
#include "nvim/mark_defs.h"
// for u_header_T; needs buf_T.
#include "nvim/undo_defs.h"
// for hashtab_T
#include "nvim/hashtab.h"
// for dict_T
#include "nvim/eval/typval.h"
// for proftime_T
#include "nvim/profile.h"
// for String
#include "nvim/api/private/defs.h"
// for Map(K, V)
#include "nvim/map.h"
// for kvec
#include "nvim/lib/kvec.h"
// for marktree
#include "nvim/marktree.h"

#define GETFILE_SUCCESS(x)    ((x) <= 0)
#define MODIFIABLE(buf) (buf->b_p_ma)

/*
 * Flags for w_valid.
 * These are set when something in a window structure becomes invalid, except
 * when the cursor is moved.  Call check_cursor_moved() before testing one of
 * the flags.
 * These are reset when that thing has been updated and is valid again.
 *
 * Every function that invalidates one of these must call one of the
 * invalidate_* functions.
 *
 * w_valid is supposed to be used only in screen.c.  From other files, use the
 * functions that set or reset the flags.
 *
 * VALID_BOTLINE    VALID_BOTLINE_AP
 *     on       on      w_botline valid
 *     off      on      w_botline approximated
 *     off      off     w_botline not valid
 *     on       off     not possible
 */
#define VALID_WROW      0x01    // w_wrow (window row) is valid
#define VALID_WCOL      0x02    // w_wcol (window col) is valid
#define VALID_VIRTCOL   0x04    // w_virtcol (file col) is valid
#define VALID_CHEIGHT   0x08    // w_cline_height and w_cline_folded valid
#define VALID_CROW      0x10    // w_cline_row is valid
#define VALID_BOTLINE   0x20    // w_botine and w_empty_rows are valid
#define VALID_BOTLINE_AP 0x40   // w_botine is approximated
#define VALID_TOPLINE   0x80    // w_topline is valid (for cursor position)

// flags for b_flags
#define BF_RECOVERED    0x01    // buffer has been recovered
#define BF_CHECK_RO     0x02    // need to check readonly when loading file
                                // into buffer (set by ":e", may be reset by
                                // ":buf")
#define BF_NEVERLOADED  0x04    // file has never been loaded into buffer,
                                // many variables still need to be set
#define BF_NOTEDITED    0x08    // Set when file name is changed after
                                // starting to edit, reset when file is
                                // written out.
#define BF_NEW          0x10    // file didn't exist when editing started
#define BF_NEW_W        0x20    // Warned for BF_NEW and file created
#define BF_READERR      0x40    // got errors while reading the file
#define BF_DUMMY        0x80    // dummy buffer, only used internally
#define BF_PRESERVED    0x100   // ":preserve" was used
#define BF_SYN_SET      0x200   // 'syntax' option was set

// Mask to check for flags that prevent normal writing
#define BF_WRITE_MASK   (BF_NOTEDITED + BF_NEW + BF_READERR)

typedef struct window_S win_T;
typedef struct wininfo_S wininfo_T;
typedef struct frame_S frame_T;
typedef uint64_t disptick_T;  // display tick type

// for struct memline (it needs memfile_T)
#include "nvim/memline_defs.h"
// for struct memfile, bhdr_T, blocknr_T... (it needs buf_T)
#include "nvim/memfile_defs.h"

// for regprog_T. Needs win_T and buf_T.
#include "nvim/regexp_defs.h"
// for synstate_T (needs reg_extmatch_T, win_T, buf_T)
#include "nvim/syntax_defs.h"
// for sign_entry_T
#include "nvim/os/fs_defs.h"    // for FileID
#include "nvim/sign_defs.h"
#include "nvim/terminal.h"      // for Terminal

/*
 * The taggy struct is used to store the information about a :tag command.
 */
typedef struct taggy <