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#ifndef NVIM_BUFFER_H
#define NVIM_BUFFER_H
#include "nvim/vim.h"
#include "nvim/window.h"
#include "nvim/pos.h" // for linenr_T
#include "nvim/ex_cmds_defs.h" // for exarg_T
#include "nvim/screen.h" // for StlClickRecord
#include "nvim/func_attr.h"
#include "nvim/eval.h"
#include "nvim/macros.h"
// Values for buflist_getfile()
enum getf_values {
GETF_SETMARK = 0x01, // set pcmark before jumping
GETF_ALT = 0x02, // jumping to alternate file (not buf num)
GETF_SWITCH = 0x04, // respect 'switchbuf' settings when jumping
};
// Values for buflist_new() flags
enum bln_values {
BLN_CURBUF = 1, // May re-use curbuf for new buffer
BLN_LISTED = 2, // Put new buffer in buffer list
BLN_DUMMY = 4, // Allocating dummy buffer
// TODO(mhinz): merge patch that introduces BLN_NEW
BLN_NOOPT = 16, // Don't copy options to existing buffer
};
// Values for action argument for do_buffer()
enum dobuf_action_values {
DOBUF_GOTO = 0, // go to specified buffer
DOBUF_SPLIT = 1, // split window and go to specified buffer
DOBUF_UNLOAD = 2, // unload specified buffer(s)
DOBUF_DEL = 3, // delete specified buffer(s) from buflist
DOBUF_WIPE = 4, // delete specified buffer(s) really
};
// Values for start argument for do_buffer()
enum dobuf_start_values {
DOBUF_CURRENT = 0, // "count" buffer from current buffer
DOBUF_FIRST = 1, // "count" buffer from first buffer
DOBUF_LAST = 2, // "count" buffer from last buffer
DOBUF_MOD = 3, // "count" mod. buffer from current buffer
};
// flags for buf_freeall()
enum bfa_values {
BFA_DEL = 1, // buffer is going to be deleted
BFA_WIPE = 2, // buffer is going to be wiped out
BFA_KEEP_UNDO = 4, // do not free undo information
};
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "buffer.h.generated.h"
#endif
// Find a window that contains "buf" and switch to it.
// If there is no such window, use the current window and change "curbuf".
// Caller must initialize save_curbuf to NULL.
// restore_win_for_buf() MUST be called later!
static inline void switch_to_win_for_buf(buf_T *buf,
win_T **save_curwinp,
tabpage_T **save_curtabp,
bufref_T *save_curbuf)
{
win_T *wp;
tabpage_T *tp;
if (!find_win_for_buf(buf, &wp, &tp)
|| switch_win(save_curwinp, save_curtabp, wp, tp, true) == FAIL) {
switch_buffer(save_curbuf, buf);
}
}
static inline void restore_win_for_buf(win_T *save_curwin,
tabpage_T *save_curtab,
bufref_T *save_curbuf)
{
if (save_curbuf->br_buf == NULL) {
restore_win(save_curwin, save_curtab, true);
} else {
restore_buffer(save_curbuf);
}
}
static inline void buf_set_changedtick(buf_T *const buf,
const varnumber_T changedtick)
REAL_FATTR_NONNULL_ALL REAL_FATTR_ALWAYS_INLINE;
/// Set b_changedtick and corresponding variable
///
/// @param[out] buf Buffer to set changedtick in.
/// @param[in] changedtick New value.
static inline void buf_set_changedtick(buf_T *const buf,
const varnumber_T changedtick)
{
#ifndef NDEBUG
dictitem_T *const changedtick_di = tv_dict_find(
buf->b_vars, S_LEN("changedtick"));
assert(changedtick_di != NULL);
assert(changedtick_di->di_tv.v_type == VAR_NUMBER);
assert(changedtick_di->di_tv.v_lock == VAR_FIXED);
// For some reason formatc does not like the below.
# ifndef UNIT_TESTING_LUA_PREPROCESSING
assert(changedtick_di->di_flags == (DI_FLAGS_RO|DI_FLAGS_FIX));
# endif
assert(changedtick_di == (dictitem_T *)&buf->changedtick_di);
assert(&buf->b_changedtick // -V501
== &buf->changedtick_di.di_tv.vval.v_number);
#endif
buf->b_changedtick = changedtick;
}
#define WITH_BUFFER(b, code) \
do { \
win_T *save_curwin = NULL; \
tabpage_T *save_curtab = NULL; \
bufref_T save_curbuf = { NULL, 0, 0 }; \
switch_to_win_for_buf(b, &save_curwin, &save_curtab, &save_curbuf); \
code; \
restore_win_for_buf(save_curwin, save_curtab, &save_curbuf); \
} while (0)
#endif // NVIM_BUFFER_H
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