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vim/src/structs.h
John Marriott fd1a838d36
patch 9.1.0843: too many strlen() calls in undo.c 
Problem:  too many strlen() calls in undo.c
Solution: refactor code and remove strlen() calls, update test_undo.vim
          and close remaining open swap files (John Marriott)

closes: #15995

Signed-off-by: John Marriott <basilisk@internode.on.net>
Signed-off-by: Christian Brabandt <cb@256bit.org>
2024-11-06 21:39:15 +01:00

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/* vi:set ts=8 sts=4 sw=4 noet:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
*/
/*
* This file contains various definitions of structures that are used by Vim
*/
/*
* There is something wrong in the SAS compiler that makes typedefs not
* valid in include files. Has been fixed in version 6.58.
*/
#if defined(SASC) && SASC < 658
typedef long linenr_T;
typedef int colnr_T;
typedef unsigned short short_u;
#endif
// structure to store a string (including it's length)
typedef struct
{
char_u *string; // the string
size_t length; // length of the string (excluding the NUL)
} string_T;
/*
* Position in file or buffer.
*/
typedef struct
{
linenr_T lnum; // line number
colnr_T col; // column number
colnr_T coladd; // extra virtual column
} pos_T;
/*
* Same, but without coladd.
*/
typedef struct
{
linenr_T lnum; // line number
colnr_T col; // column number
} lpos_T;
/*
* Structure used for growing arrays.
* This is used to store information that only grows, is deleted all at
* once, and needs to be accessed by index. See ga_clear() and ga_grow().
*/
typedef struct growarray
{
int ga_len; // current number of items used
int ga_maxlen; // maximum number of items possible
int ga_itemsize; // sizeof(item)
int ga_growsize; // number of items to grow each time
void *ga_data; // pointer to the first item
} garray_T;
#define GA_EMPTY {0, 0, 0, 0, NULL}
typedef struct window_S win_T;
typedef struct wininfo_S wininfo_T;
typedef struct frame_S frame_T;
typedef int scid_T; // script ID
typedef struct file_buffer buf_T; // forward declaration
typedef struct terminal_S term_T;
#ifdef FEAT_MENU
typedef struct VimMenu vimmenu_T;
#endif
// maximum value for sc_version
#define SCRIPT_VERSION_MAX 4
// value for sc_version in a Vim9 script file
#define SCRIPT_VERSION_VIM9 999999
/*
* SCript ConteXt (SCTX): identifies a script line.
* When sourcing a script "sc_lnum" is zero, "sourcing_lnum" is the current
* line number. When executing a user function "sc_lnum" is the line where the
* function was defined, "sourcing_lnum" is the line number inside the
* function. When stored with a function, mapping, option, etc. "sc_lnum" is
* the line number in the script "sc_sid".
*
* sc_version is also here, for convenience.
*/
typedef struct {
#ifdef FEAT_EVAL
scid_T sc_sid; // script ID
int sc_seq; // sourcing sequence number
linenr_T sc_lnum; // line number
#endif
int sc_version; // :scriptversion
} sctx_T;
/*
* 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;
/*
* This is here because regexp.h needs pos_T and below regprog_T is used.
*/
#include "regexp.h"
/*
* This is here because gui.h needs the pos_T and win_T, and win_T needs gui.h
* for scrollbar_T.
*/
#ifdef FEAT_GUI
# include "gui.h"
#else
# ifdef FEAT_XCLIPBOARD
# include <X11/Intrinsic.h>
# endif
# define guicolor_T long
# define INVALCOLOR ((guicolor_T)0x1ffffff)
// only used for cterm.bg_rgb and cterm.fg_rgb: use cterm color
# define CTERMCOLOR ((guicolor_T)0x1fffffe)
#endif
#define COLOR_INVALID(x) ((x) == INVALCOLOR || (x) == CTERMCOLOR)
#ifdef FEAT_TERMINAL
# include "libvterm/include/vterm.h"
typedef struct {
VTermColor fg;
VTermColor bg;
} termcellcolor_T;
#endif
/*
* marks: positions in a file
* (a normal mark is a lnum/col pair, the same as a file position)
*/
#define NMARKS ('z' - 'a' + 1) // max. # of named marks
#define EXTRA_MARKS 10 // marks 0-9
#define JUMPLISTSIZE 100 // max. # of marks in jump list
#define TAGSTACKSIZE 20 // max. # of tags in tag stack
typedef struct filemark
{
pos_T mark; // cursor position
int fnum; // file number
} fmark_T;
// Xtended file mark: also has a file name
typedef struct xfilemark
{
fmark_T fmark;
char_u *fname; // file name, used when fnum == 0
#ifdef FEAT_VIMINFO
time_T time_set;
#endif
} xfmark_T;
/*
* The taggy struct is used to store the information about a :tag command.
*/
typedef struct taggy
{
char_u *tagname; // tag name
fmark_T fmark; // cursor position BEFORE ":tag"
int cur_match; // match number
int cur_fnum; // buffer number used for cur_match
char_u *user_data; // used with tagfunc
} taggy_T;
/*
* Structure that contains all options that are local to a window.
* Used twice in a window: for the current buffer and for all buffers.
* Also used in wininfo_T.
*/
typedef struct
{
#ifdef FEAT_ARABIC
int wo_arab;
# define w_p_arab w_onebuf_opt.wo_arab // 'arabic'
#endif
#ifdef FEAT_LINEBREAK
int wo_bri;
# define w_p_bri w_onebuf_opt.wo_bri // 'breakindent'
char_u *wo_briopt;
# define w_p_briopt w_onebuf_opt.wo_briopt // 'breakindentopt'
#endif
char_u *wo_wcr;
# define w_p_wcr w_onebuf_opt.wo_wcr // 'wincolor'
#ifdef FEAT_DIFF
int wo_diff;
# define w_p_diff w_onebuf_opt.wo_diff // 'diff'
#endif
#ifdef FEAT_FOLDING
long wo_fdc;
# define w_p_fdc w_onebuf_opt.wo_fdc // 'foldcolumn'
int wo_fdc_save;
# define w_p_fdc_save w_onebuf_opt.wo_fdc_save // 'foldenable' saved for diff mode
int wo_fen;
# define w_p_fen w_onebuf_opt.wo_fen // 'foldenable'
int wo_fen_save;
# define w_p_fen_save w_onebuf_opt.wo_fen_save // 'foldenable' saved for diff mode
char_u *wo_fdi;
# define w_p_fdi w_onebuf_opt.wo_fdi // 'foldignore'
long wo_fdl;
# define w_p_fdl w_onebuf_opt.wo_fdl // 'foldlevel'
int wo_fdl_save;
# define w_p_fdl_save w_onebuf_opt.wo_fdl_save // 'foldlevel' state saved for diff mode
char_u *wo_fdm;
# define w_p_fdm w_onebuf_opt.wo_fdm // 'foldmethod'
char_u *wo_fdm_save;
# define w_p_fdm_save w_onebuf_opt.wo_fdm_save // 'fdm' saved for diff mode
long wo_fml;
# define w_p_fml w_onebuf_opt.wo_fml // 'foldminlines'
long wo_fdn;
# define w_p_fdn w_onebuf_opt.wo_fdn // 'foldnestmax'
# ifdef FEAT_EVAL
char_u *wo_fde;
# define w_p_fde w_onebuf_opt.wo_fde // 'foldexpr'
char_u *wo_fdt;
# define w_p_fdt w_onebuf_opt.wo_fdt // 'foldtext'
# endif
char_u *wo_fmr;
# define w_p_fmr w_onebuf_opt.wo_fmr // 'foldmarker'
#endif
#ifdef FEAT_LINEBREAK
int wo_lbr;
# define w_p_lbr w_onebuf_opt.wo_lbr // 'linebreak'
#endif
int wo_list;
#define w_p_list w_onebuf_opt.wo_list // 'list'
char_u *wo_lcs;
#define w_p_lcs w_onebuf_opt.wo_lcs // 'listchars'
char_u *wo_fcs;
#define w_p_fcs w_onebuf_opt.wo_fcs // 'fillchars'
int wo_nu;
#define w_p_nu w_onebuf_opt.wo_nu // 'number'
int wo_rnu;
#define w_p_rnu w_onebuf_opt.wo_rnu // 'relativenumber'
char_u *wo_ve;
#define w_p_ve w_onebuf_opt.wo_ve // 'virtualedit'
unsigned wo_ve_flags;
#define w_ve_flags w_onebuf_opt.wo_ve_flags // flags for 'virtualedit'
#ifdef FEAT_LINEBREAK
long wo_nuw;
# define w_p_nuw w_onebuf_opt.wo_nuw // 'numberwidth'
#endif
int wo_wfb;
#define w_p_wfb w_onebuf_opt.wo_wfb // 'winfixbuf'
int wo_wfh;
# define w_p_wfh w_onebuf_opt.wo_wfh // 'winfixheight'
int wo_wfw;
# define w_p_wfw w_onebuf_opt.wo_wfw // 'winfixwidth'
#if defined(FEAT_QUICKFIX)
int wo_pvw;
# define w_p_pvw w_onebuf_opt.wo_pvw // 'previewwindow'
#endif
#ifdef FEAT_RIGHTLEFT
int wo_rl;
# define w_p_rl w_onebuf_opt.wo_rl // 'rightleft'
char_u *wo_rlc;
# define w_p_rlc w_onebuf_opt.wo_rlc // 'rightleftcmd'
#endif
long wo_scr;
#define w_p_scr w_onebuf_opt.wo_scr // 'scroll'
int wo_sms;
#define w_p_sms w_onebuf_opt.wo_sms // 'smoothscroll'
#ifdef FEAT_SPELL
int wo_spell;
# define w_p_spell w_onebuf_opt.wo_spell // 'spell'
#endif
#if defined(FEAT_SYN_HL) || defined(FEAT_FOLDING) || defined(FEAT_DIFF)
int wo_cuc;
# define w_p_cuc w_onebuf_opt.wo_cuc // 'cursorcolumn'
int wo_cul;
# define w_p_cul w_onebuf_opt.wo_cul // 'cursorline'
char_u *wo_culopt;
# define w_p_culopt w_onebuf_opt.wo_culopt // 'cursorlineopt'
char_u *wo_cc;
# define w_p_cc w_onebuf_opt.wo_cc // 'colorcolumn'
#endif
#ifdef FEAT_LINEBREAK
char_u *wo_sbr;
#define w_p_sbr w_onebuf_opt.wo_sbr // 'showbreak'
#endif
#ifdef FEAT_STL_OPT
char_u *wo_stl;
#define w_p_stl w_onebuf_opt.wo_stl // 'statusline'
#endif
int wo_scb;
#define w_p_scb w_onebuf_opt.wo_scb // 'scrollbind'
int wo_diff_saved; // options were saved for starting diff mode
#define w_p_diff_saved w_onebuf_opt.wo_diff_saved
int wo_scb_save; // 'scrollbind' saved for diff mode
#define w_p_scb_save w_onebuf_opt.wo_scb_save
int wo_wrap;
#define w_p_wrap w_onebuf_opt.wo_wrap // 'wrap'
#ifdef FEAT_DIFF
int wo_wrap_save; // 'wrap' state saved for diff mode
# define w_p_wrap_save w_onebuf_opt.wo_wrap_save
#endif
#ifdef FEAT_CONCEAL
char_u *wo_cocu; // 'concealcursor'
# define w_p_cocu w_onebuf_opt.wo_cocu
long wo_cole; // 'conceallevel'
# define w_p_cole w_onebuf_opt.wo_cole
#endif
int wo_crb;
#define w_p_crb w_onebuf_opt.wo_crb // 'cursorbind'
int wo_crb_save; // 'cursorbind' state saved for diff mode
#define w_p_crb_save w_onebuf_opt.wo_crb_save
#ifdef FEAT_SIGNS
char_u *wo_scl;
# define w_p_scl w_onebuf_opt.wo_scl // 'signcolumn'
#endif
long wo_siso;
# define w_p_siso w_onebuf_opt.wo_siso // 'sidescrolloff' local value
long wo_so;
# define w_p_so w_onebuf_opt.wo_so // 'scrolloff' local value
#ifdef FEAT_TERMINAL
char_u *wo_twk;
# define w_p_twk w_onebuf_opt.wo_twk // 'termwinkey'
char_u *wo_tws;
# define w_p_tws w_onebuf_opt.wo_tws // 'termwinsize'
#endif
#ifdef FEAT_EVAL
sctx_T wo_script_ctx[WV_COUNT]; // SCTXs for window-local options
# define w_p_script_ctx w_onebuf_opt.wo_script_ctx
#endif
} winopt_T;
/*
* Window info stored with a buffer.
*
* Two types of info are kept for a buffer which are associated with a
* specific window:
* 1. Each window can have a different line number associated with a buffer.
* 2. The window-local options for a buffer work in a similar way.
* The window-info is kept in a list at b_wininfo. It is kept in
* most-recently-used order.
*/
struct wininfo_S
{
wininfo_T *wi_next; // next entry or NULL for last entry
wininfo_T *wi_prev; // previous entry or NULL for first entry
win_T *wi_win; // pointer to window that did set wi_fpos
pos_T wi_fpos; // last cursor position in the file
winopt_T wi_opt; // local window options
int wi_optset; // TRUE when wi_opt has useful values
#ifdef FEAT_FOLDING
int wi_fold_manual; // copy of w_fold_manual
garray_T wi_folds; // clone of w_folds
#endif
int wi_changelistidx; // copy of w_changelistidx
};
/*
* Info used to pass info about a fold from the fold-detection code to the
* code that displays the foldcolumn.
*/
typedef struct foldinfo
{
int fi_level; // level of the fold; when this is zero the
// other fields are invalid
int fi_lnum; // line number where fold starts
int fi_low_level; // lowest fold level that starts in the same
// line
} foldinfo_T;
/*
* Structure to store info about the Visual area.
*/
typedef struct
{
pos_T vi_start; // start pos of last VIsual
pos_T vi_end; // end position of last VIsual
int vi_mode; // VIsual_mode of last VIsual
colnr_T vi_curswant; // MAXCOL from w_curswant
} visualinfo_T;
/*
* structures used for undo
*/
// One line saved for undo. After the NUL terminated text there might be text
// properties, thus ul_len can be larger than STRLEN(ul_line) + 1.
typedef struct {
char_u *ul_line; // text of the line
long ul_len; // length of the line including NUL, plus text
// properties
colnr_T ul_textlen; // length of the line excluding NUL and any text
// properties
} undoline_T;
typedef struct u_entry u_entry_T;
typedef struct u_header u_header_T;
struct u_entry
{
u_entry_T *ue_next; // pointer to next entry in list
linenr_T ue_top; // number of line above undo block
linenr_T ue_bot; // number of line below undo block
linenr_T ue_lcount; // linecount when u_save called
undoline_T *ue_array; // array of lines in undo block
long ue_size; // number of lines in ue_array
#ifdef U_DEBUG
int ue_magic; // magic number to check allocation
#endif
};
struct u_header
{
// The following have a pointer and a number. The number is used when
// reading the undo file in u_read_undo()
union {
u_header_T *ptr; // pointer to next undo header in list
long seq;
} uh_next;
union {
u_header_T *ptr; // pointer to previous header in list
long seq;
} uh_prev;
union {
u_header_T *ptr; // pointer to next header for alt. redo
long seq;
} uh_alt_next;
union {
u_header_T *ptr; // pointer to previous header for alt. redo
long seq;
} uh_alt_prev;
long uh_seq; // sequence number, higher == newer undo
int uh_walk; // used by undo_time()
u_entry_T *uh_entry; // pointer to first entry
u_entry_T *uh_getbot_entry; // pointer to where ue_bot must be set
pos_T uh_cursor; // cursor position before saving
long uh_cursor_vcol;
int uh_flags; // see below
pos_T uh_namedm[NMARKS]; // marks before undo/after redo
visualinfo_T uh_visual; // Visual areas before undo/after redo
time_T uh_time; // timestamp when the change was made
long uh_save_nr; // set when the file was saved after the
// changes in this block
#ifdef U_DEBUG
int uh_magic; // magic number to check allocation
#endif
};
// values for uh_flags
#define UH_CHANGED 0x01 // b_changed flag before undo/after redo
#define UH_EMPTYBUF 0x02 // buffer was empty
/*
* structures used in undo.c
*/
#define ALIGN_LONG // longword alignment and use filler byte
#define ALIGN_SIZE (sizeof(long))
#define ALIGN_MASK (ALIGN_SIZE - 1)
typedef struct m_info minfo_T;
/*
* structure used to link chunks in one of the free chunk lists.
*/
struct m_info
{
#ifdef ALIGN_LONG
long_u m_size; // size of the chunk (including m_info)
#else
short_u m_size; // size of the chunk (including m_info)
#endif
minfo_T *m_next; // pointer to next free chunk in the list
};
/*
* things used in memfile.c
*/
typedef struct block_hdr bhdr_T;
typedef struct memfile memfile_T;
typedef long blocknr_T;
/*
* mf_hashtab_T is a chained hashtable with blocknr_T key and arbitrary
* structures as items. This is an intrusive data structure: we require
* that items begin with mf_hashitem_T which contains the key and linked
* list pointers. List of items in each bucket is doubly-linked.
*/
typedef struct mf_hashitem_S mf_hashitem_T;
struct mf_hashitem_S
{
mf_hashitem_T *mhi_next;
mf_hashitem_T *mhi_prev;
blocknr_T mhi_key;
};
#define MHT_INIT_SIZE 64
typedef struct mf_hashtab_S
{
long_u mht_mask; // mask used for hash value (nr of items
// in array is "mht_mask" + 1)
long_u mht_count; // nr of items inserted into hashtable
mf_hashitem_T **mht_buckets; // points to mht_small_buckets or
//dynamically allocated array
mf_hashitem_T *mht_small_buckets[MHT_INIT_SIZE]; // initial buckets
char mht_fixed; // non-zero value forbids growth
} mf_hashtab_T;
/*
* for each (previously) used block in the memfile there is one block header.
*
* The block may be linked in the used list OR in the free list.
* The used blocks are also kept in hash lists.
*
* The used list is a doubly linked list, most recently used block first.
* The blocks in the used list have a block of memory allocated.
* mf_used_count is the number of pages in the used list.
* The hash lists are used to quickly find a block in the used list.
* The free list is a single linked list, not sorted.
* The blocks in the free list have no block of memory allocated and
* the contents of the block in the file (if any) is irrelevant.
*/
struct block_hdr
{
mf_hashitem_T bh_hashitem; // header for hash table and key
#define bh_bnum bh_hashitem.mhi_key // block number, part of bh_hashitem
bhdr_T *bh_next; // next block_hdr in free or used list
bhdr_T *bh_prev; // previous block_hdr in used list
char_u *bh_data; // pointer to memory (for used block)
int bh_page_count; // number of pages in this block
#define BH_DIRTY 1
#define BH_LOCKED 2
char bh_flags; // BH_DIRTY or BH_LOCKED
};
/*
* when a block with a negative number is flushed to the file, it gets
* a positive number. Because the reference to the block is still the negative
* number, we remember the translation to the new positive number in the
* double linked trans lists. The structure is the same as the hash lists.
*/
typedef struct nr_trans NR_TRANS;
struct nr_trans
{
mf_hashitem_T nt_hashitem; // header for hash table and key
#define nt_old_bnum nt_hashitem.mhi_key // old, negative, number
blocknr_T nt_new_bnum; // new, positive, number
};
typedef struct buffblock buffblock_T;
typedef struct buffheader buffheader_T;
/*
* structure used to store one block of the stuff/redo/recording buffers
*/
struct buffblock
{
buffblock_T *b_next; // pointer to next buffblock
char_u b_str[1]; // contents (actually longer)
};
/*
* header used for the stuff buffer and the redo buffer
*/
struct buffheader
{
buffblock_T bh_first; // first (dummy) block of list
buffblock_T *bh_curr; // buffblock for appending
int bh_index; // index for reading
int bh_space; // space in bh_curr for appending
};
typedef struct
{
buffheader_T sr_redobuff;
buffheader_T sr_old_redobuff;
} save_redo_T;
typedef enum {
XP_PREFIX_NONE, // prefix not used
XP_PREFIX_NO, // "no" prefix for bool option
XP_PREFIX_INV, // "inv" prefix for bool option
} xp_prefix_T;
/*
* :set operator types
*/
typedef enum {
OP_NONE = 0,
OP_ADDING, // "opt+=arg"
OP_PREPENDING, // "opt^=arg"
OP_REMOVING, // "opt-=arg"
} set_op_T;
/*
* used for completion on the command line
*/
typedef struct expand
{
char_u *xp_pattern; // start of item to expand, guaranteed
// to be part of xp_line
int xp_context; // type of expansion
int xp_pattern_len; // bytes in xp_pattern before cursor
xp_prefix_T xp_prefix;
#if defined(FEAT_EVAL)
char_u *xp_arg; // completion function
sctx_T xp_script_ctx; // SCTX for completion function
#endif
int xp_backslash; // one of the XP_BS_ values
#ifndef BACKSLASH_IN_FILENAME
int xp_shell; // TRUE for a shell command, more
// characters need to be escaped
#endif
int xp_numfiles; // number of files found by
// file name completion
int xp_col; // cursor position in line
int xp_selected; // selected index in completion
char_u *xp_orig; // originally expanded string
char_u **xp_files; // list of files
char_u *xp_line; // text being completed
#define EXPAND_BUF_LEN 256
char_u xp_buf[EXPAND_BUF_LEN]; // buffer for returned match
} expand_T;
/*
* values for xp_backslash
*/
#define XP_BS_NONE 0 // nothing special for backslashes
#define XP_BS_ONE 0x1 // uses one backslash before a space
#define XP_BS_THREE 0x2 // uses three backslashes before a space
#define XP_BS_COMMA 0x4 // commas need to be escaped with a backslash
/*
* Variables shared between getcmdline(), redrawcmdline() and others.
* These need to be saved when using CTRL-R |, that's why they are in a
* structure.
*/
typedef struct
{
char_u *cmdbuff; // pointer to command line buffer
int cmdbufflen; // length of cmdbuff
int cmdlen; // number of chars in command line
int cmdpos; // current cursor position
int cmdspos; // cursor column on screen
int cmdfirstc; // ':', '/', '?', '=', '>' or NUL
int cmdindent; // number of spaces before cmdline
char_u *cmdprompt; // message in front of cmdline
int cmdattr; // attributes for prompt
int overstrike; // Typing mode on the command line. Shared by
// getcmdline() and put_on_cmdline().
expand_T *xpc; // struct being used for expansion, xp_pattern
// may point into cmdbuff
int xp_context; // type of expansion
# ifdef FEAT_EVAL
char_u *xp_arg; // user-defined expansion arg
int input_fn; // when TRUE Invoked for input() function
# endif
} cmdline_info_T;
/*
* Command modifiers ":vertical", ":browse", ":confirm" and ":hide" set a flag.
* This needs to be saved for recursive commands, put them in a structure for
* easy manipulation.
*/
typedef struct
{
int cmod_flags; // CMOD_ flags
#define CMOD_SANDBOX 0x0001 // ":sandbox"
#define CMOD_SILENT 0x0002 // ":silent"
#define CMOD_ERRSILENT 0x0004 // ":silent!"
#define CMOD_UNSILENT 0x0008 // ":unsilent"
#define CMOD_NOAUTOCMD 0x0010 // ":noautocmd"
#define CMOD_HIDE 0x0020 // ":hide"
#define CMOD_BROWSE 0x0040 // ":browse" - invoke file dialog
#define CMOD_CONFIRM 0x0080 // ":confirm" - invoke yes/no dialog
#define CMOD_KEEPALT 0x0100 // ":keepalt"
#define CMOD_KEEPMARKS 0x0200 // ":keepmarks"
#define CMOD_KEEPJUMPS 0x0400 // ":keepjumps"
#define CMOD_LOCKMARKS 0x0800 // ":lockmarks"
#define CMOD_KEEPPATTERNS 0x1000 // ":keeppatterns"
#define CMOD_NOSWAPFILE 0x2000 // ":noswapfile"
#define CMOD_VIM9CMD 0x4000 // ":vim9cmd"
#define CMOD_LEGACY 0x8000 // ":legacy"
int cmod_split; // flags for win_split()
int cmod_tab; // > 0 when ":tab" was used
regmatch_T cmod_filter_regmatch; // set by :filter /pat/
int cmod_filter_force; // set for :filter!
int cmod_verbose; // 0 if not set, > 0 to set 'verbose'
// to cmod_verbose - 1
// values for undo_cmdmod()
char_u *cmod_save_ei; // saved value of 'eventignore'
#ifdef HAVE_SANDBOX
int cmod_did_sandbox; // set when "sandbox" was incremented
#endif
long cmod_verbose_save; // if 'verbose' was set: value of
// p_verbose plus one
int cmod_save_msg_silent; // if non-zero: saved value of
// msg_silent + 1
int cmod_save_msg_scroll; // for restoring msg_scroll
int cmod_did_esilent; // incremented when emsg_silent is
} cmdmod_T;
typedef enum {
MF_DIRTY_NO = 0, // no dirty blocks
MF_DIRTY_YES, // there are dirty blocks
MF_DIRTY_YES_NOSYNC, // there are dirty blocks, do not sync yet
} mfdirty_T;
#define MF_SEED_LEN 8
struct memfile
{
char_u *mf_fname; // name of the file
char_u *mf_ffname; // idem, full path
int mf_fd; // file descriptor
int mf_flags; // flags used when opening this memfile
int mf_reopen; // mf_fd was closed, retry opening
bhdr_T *mf_free_first; // first block_hdr in free list
bhdr_T *mf_used_first; // mru block_hdr in used list
bhdr_T *mf_used_last; // lru block_hdr in used list
unsigned mf_used_count; // number of pages in used list
unsigned mf_used_count_max; // maximum number of pages in memory
mf_hashtab_T mf_hash; // hash lists
mf_hashtab_T mf_trans; // trans lists
blocknr_T mf_blocknr_max; // highest positive block number + 1
blocknr_T mf_blocknr_min; // lowest negative block number - 1
blocknr_T mf_neg_count; // number of negative blocks numbers
blocknr_T mf_infile_count; // number of pages in the file
unsigned mf_page_size; // number of bytes in a page
mfdirty_T mf_dirty;
#ifdef FEAT_CRYPT
buf_T *mf_buffer; // buffer this memfile is for
char_u mf_seed[MF_SEED_LEN]; // seed for encryption
// Values for key, method and seed used for reading data blocks when
// updating for a newly set key or method. Only when mf_old_key != NULL.
char_u *mf_old_key;
int mf_old_cm;
char_u mf_old_seed[MF_SEED_LEN];
#endif
};
/*
* things used in memline.c
*/
/*
* When searching for a specific line, we remember what blocks in the tree
* are the branches leading to that block. This is stored in ml_stack. Each
* entry is a pointer to info in a block (may be data block or pointer block)
*/
typedef struct info_pointer
{
blocknr_T ip_bnum; // block number
linenr_T ip_low; // lowest lnum in this block
linenr_T ip_high; // highest lnum in this block
int ip_index; // index for block with current lnum
} infoptr_T; // block/index pair
#ifdef FEAT_BYTEOFF
typedef struct ml_chunksize
{
int mlcs_numlines;
long mlcs_totalsize;
} chunksize_T;
/*
* Flags when calling ml_updatechunk()
*/
# define ML_CHNK_ADDLINE 1
# define ML_CHNK_DELLINE 2
# define ML_CHNK_UPDLINE 3
#endif
/*
* the memline structure holds all the information about a memline
*/
typedef struct memline
{
linenr_T ml_line_count; // number of lines in the buffer
memfile_T *ml_mfp; // pointer to associated memfile
infoptr_T *ml_stack; // stack of pointer blocks (array of IPTRs)
int ml_stack_top; // current top of ml_stack
int ml_stack_size; // total number of entries in ml_stack
#define ML_EMPTY 0x01 // empty buffer
#define ML_LINE_DIRTY 0x02 // cached line was changed and allocated
#define ML_LOCKED_DIRTY 0x04 // ml_locked was changed
#define ML_LOCKED_POS 0x08 // ml_locked needs positive block number
#define ML_ALLOCATED 0x10 // ml_line_ptr is an allocated copy
int ml_flags;
colnr_T ml_line_len; // length of the cached line + NUL + text properties
colnr_T ml_line_textlen;// length of the cached line + NUL, 0 if not known yet
linenr_T ml_line_lnum; // line number of cached line, 0 if not valid
char_u *ml_line_ptr; // pointer to cached line
bhdr_T *ml_locked; // block used by last ml_get
linenr_T ml_locked_low; // first line in ml_locked
linenr_T ml_locked_high; // last line in ml_locked
int ml_locked_lineadd; // number of lines inserted in ml_locked
#ifdef FEAT_BYTEOFF
chunksize_T *ml_chunksize;
int ml_numchunks;
int ml_usedchunks;
#endif
} memline_T;
// Values for the flags argument of ml_delete_flags().
#define ML_DEL_MESSAGE 1 // may give a "No lines in buffer" message
#define ML_DEL_UNDO 2 // called from undo, do not update textprops
#define ML_DEL_NOPROP 4 // splitting data block, do not update textprops
// Values for the flags argument of ml_append_int().
#define ML_APPEND_NEW 1 // starting to edit a new file
#define ML_APPEND_MARK 2 // mark the new line
#define ML_APPEND_UNDO 4 // called from undo
#define ML_APPEND_NOPROP 8 // do not continue textprop from previous line
/*
* Structure defining text properties. These stick with the text.
* When stored in memline they are after the text, ml_line_len is larger than
* STRLEN(ml_line_ptr) + 1.
*/
typedef struct textprop_S
{
colnr_T tp_col; // start column (one based, in bytes)
colnr_T tp_len; // length in bytes, when tp_id is negative used
// for left padding plus one
int tp_id; // identifier
int tp_type; // property type
int tp_flags; // TP_FLAG_ values
int tp_padleft; // left padding between text line and virtual
// text
} textprop_T;
#define TP_FLAG_CONT_NEXT 0x1 // property continues in next line
#define TP_FLAG_CONT_PREV 0x2 // property was continued from prev line
// without these text is placed after the end of the line
#define TP_FLAG_ALIGN_RIGHT 0x010 // virtual text is right-aligned
#define TP_FLAG_ALIGN_ABOVE 0x020 // virtual text above the line
#define TP_FLAG_ALIGN_BELOW 0x040 // virtual text on next screen line
#define TP_FLAG_WRAP 0x080 // virtual text wraps - when missing
// text is truncated
#define TP_FLAG_START_INCL 0x100 // "start_incl" copied from proptype
#define PROP_TEXT_MIN_CELLS 4 // minimum number of cells to use for
// the text, even when truncating
/*
* Structure defining a property type.
*/
typedef struct proptype_S
{
int pt_id; // value used for tp_id
int pt_type; // number used for tp_type
int pt_hl_id; // highlighting
int pt_priority; // priority
int pt_flags; // PT_FLAG_ values
char_u pt_name[1]; // property type name, actually longer
} proptype_T;
#define PT_FLAG_INS_START_INCL 1 // insert at start included in property
#define PT_FLAG_INS_END_INCL 2 // insert at end included in property
#define PT_FLAG_COMBINE 4 // combine with syntax highlight
#define PT_FLAG_OVERRIDE 8 // override any highlight
// Sign group
typedef struct signgroup_S
{
int sg_next_sign_id; // next sign id for this group
short_u sg_refcount; // number of signs in this group
char_u sg_name[1]; // sign group name, actually longer
} signgroup_T;
typedef struct sign_entry sign_entry_T;
struct sign_entry
{
int se_id; // unique identifier for each placed sign
int se_typenr; // typenr of sign
int se_priority; // priority for highlighting
linenr_T se_lnum; // line number which has this sign
signgroup_T *se_group; // sign group
sign_entry_T *se_next; // next entry in a list of signs
sign_entry_T *se_prev; // previous entry -- for easy reordering
};
/*
* Sign attributes. Used by the screen refresh routines.
*/
typedef struct sign_attrs_S {
int sat_typenr;
void *sat_icon;
char_u *sat_text;
int sat_texthl;
int sat_linehl;
int sat_culhl;
int sat_numhl;
int sat_priority;
} sign_attrs_T;
#if defined(FEAT_SIGNS) || defined(PROTO)
// Macros to get the sign group structure from the group name
#define SGN_KEY_OFF offsetof(signgroup_T, sg_name)
#define HI2SG(hi) ((signgroup_T *)((hi)->hi_key - SGN_KEY_OFF))
// Default sign priority for highlighting
#define SIGN_DEF_PRIO 10
#endif
/*
* Argument list: Array of file names.
* Used for the global argument list and the argument lists local to a window.
*/
typedef struct arglist
{
garray_T al_ga; // growarray with the array of file names
int al_refcount; // number of windows using this arglist
int id; // id of this arglist
} alist_T;
/*
* For each argument remember the file name as it was given, and the buffer
* number that contains the expanded file name (required for when ":cd" is
* used).
*/
typedef struct argentry
{
char_u *ae_fname; // file name as specified
int ae_fnum; // buffer number with expanded file name
} aentry_T;
#define ALIST(win) (win)->w_alist
#define GARGLIST ((aentry_T *)global_alist.al_ga.ga_data)
#define ARGLIST ((aentry_T *)ALIST(curwin)->al_ga.ga_data)
#define WARGLIST(wp) ((aentry_T *)ALIST(wp)->al_ga.ga_data)
#define AARGLIST(al) ((aentry_T *)((al)->al_ga.ga_data))
#define GARGCOUNT (global_alist.al_ga.ga_len)
#define ARGCOUNT (ALIST(curwin)->al_ga.ga_len)
#define WARGCOUNT(wp) (ALIST(wp)->al_ga.ga_len)
/*
* A list used for saving values of "emsg_silent". Used by ex_try() to save the
* value of "emsg_silent" if it was non-zero. When this is done, the CSF_SILENT
* flag below is set.
*/
typedef struct eslist_elem eslist_T;
struct eslist_elem
{
int saved_emsg_silent; // saved value of "emsg_silent"
eslist_T *next; // next element on the list
};
/*
* For conditional commands a stack is kept of nested conditionals.
* When cs_idx < 0, there is no conditional command.
*/
#define CSTACK_LEN 50
typedef struct {
short cs_flags[CSTACK_LEN]; // CSF_ flags
char cs_pending[CSTACK_LEN]; // CSTP_: what's pending in ":finally"
union {
void *csp_rv[CSTACK_LEN]; // return typeval for pending return
void *csp_ex[CSTACK_LEN]; // exception for pending throw
} cs_pend;
void *cs_forinfo[CSTACK_LEN]; // info used by ":for"
int cs_line[CSTACK_LEN]; // line nr of ":while"/":for" line
int cs_block_id[CSTACK_LEN]; // block ID stack
int cs_script_var_len[CSTACK_LEN]; // value of sn_var_vals.ga_len
// when entering the block
int cs_idx; // current entry, or -1 if none
int cs_looplevel; // nr of nested ":while"s and ":for"s
int cs_trylevel; // nr of nested ":try"s
eslist_T *cs_emsg_silent_list; // saved values of "emsg_silent"
char cs_lflags; // loop flags: CSL_ flags
} cstack_T;
# define cs_rettv cs_pend.csp_rv
# define cs_exception cs_pend.csp_ex
// There is no CSF_IF, the lack of CSF_WHILE, CSF_FOR and CSF_TRY means ":if"
// was used.
# define CSF_TRUE 0x0001 // condition was TRUE
# define CSF_ACTIVE 0x0002 // current state is active
# define CSF_ELSE 0x0004 // ":else" has been passed
# define CSF_WHILE 0x0008 // is a ":while"
# define CSF_FOR 0x0010 // is a ":for"
# define CSF_BLOCK 0x0020 // is a "{" block
# define CSF_TRY 0x0100 // is a ":try"
# define CSF_FINALLY 0x0200 // ":finally" has been passed
# define CSF_CATCH 0x0400 // ":catch" has been seen
# define CSF_THROWN 0x0800 // exception thrown to this try conditional
# define CSF_CAUGHT 0x1000 // exception caught by this try conditional
# define CSF_FINISHED 0x2000 // CSF_CAUGHT was handled by finish_exception()
# define CSF_SILENT 0x4000 // "emsg_silent" reset by ":try"
// Note that CSF_ELSE is only used when CSF_TRY and CSF_WHILE are unset
// (an ":if"), and CSF_SILENT is only used when CSF_TRY is set.
# define CSF_FUNC_DEF 0x8000 // a function was defined in this block
/*
* What's pending for being reactivated at the ":endtry" of this try
* conditional:
*/
# define CSTP_NONE 0 // nothing pending in ":finally" clause
# define CSTP_ERROR 1 // an error is pending
# define CSTP_INTERRUPT 2 // an interrupt is pending
# define CSTP_THROW 4 // a throw is pending
# define CSTP_BREAK 8 // ":break" is pending
# define CSTP_CONTINUE 16 // ":continue" is pending
# define CSTP_RETURN 24 // ":return" is pending
# define CSTP_FINISH 32 // ":finish" is pending
/*
* Flags for the cs_lflags item in cstack_T.
*/
# define CSL_HAD_LOOP 1 // just found ":while" or ":for"
# define CSL_HAD_ENDLOOP 2 // just found ":endwhile" or ":endfor"
# define CSL_HAD_CONT 4 // just found ":continue"
# define CSL_HAD_FINA 8 // just found ":finally"
/*
* A list of error messages that can be converted to an exception. "throw_msg"
* is only set in the first element of the list. Usually, it points to the
* original message stored in that element, but sometimes it points to a later
* message in the list. See cause_errthrow().
*/
typedef struct msglist msglist_T;
struct msglist
{
msglist_T *next; // next of several messages in a row
char *msg; // original message, allocated
char *throw_msg; // msg to throw: usually original one
char_u *sfile; // value from estack_sfile(), allocated
long slnum; // line number for "sfile"
int msg_compiling; // saved value of estack_compiling
};
/*
* The exception types.
*/
typedef enum
{
ET_USER, // exception caused by ":throw" command
ET_ERROR, // error exception
ET_INTERRUPT, // interrupt exception triggered by Ctrl-C
} except_type_T;
/*
* Structure describing an exception.
* (don't use "struct exception", it's used by the math library).
*/
typedef struct vim_exception except_T;
struct vim_exception
{
except_type_T type; // exception type
char *value; // exception value
struct msglist *messages; // message(s) causing error exception
char_u *throw_name; // name of the throw point
linenr_T throw_lnum; // line number of the throw point
except_T *caught; // next exception on the caught stack
};
/*
* Structure to save the error/interrupt/exception state between calls to
* enter_cleanup() and leave_cleanup(). Must be allocated as an automatic
* variable by the (common) caller of these functions.
*/
typedef struct cleanup_stuff cleanup_T;
struct cleanup_stuff
{
int pending; // error/interrupt/exception state
except_T *exception; // exception value
};
/*
* Exception state that is saved and restored when calling timer callback
* functions and deferred functions.
*/
typedef struct exception_state_S exception_state_T;
struct exception_state_S
{
except_T *estate_current_exception;
int estate_did_throw;
int estate_need_rethrow;
int estate_trylevel;
int estate_did_emsg;
};
#ifdef FEAT_SYN_HL
// struct passed to in_id_list()
struct sp_syn
{
int inc_tag; // ":syn include" unique tag
short id; // highlight group ID of item
short *cont_in_list; // cont.in group IDs, if non-zero
};
/*
* Each keyword has one keyentry, which is linked in a hash list.
*/
typedef struct keyentry keyentry_T;
struct keyentry
{
keyentry_T *ke_next; // next entry with identical "keyword[]"
struct sp_syn k_syn; // struct passed to in_id_list()
short *next_list; // ID list for next match (if non-zero)
int flags;
int k_char; // conceal substitute character
char_u keyword[1]; // actually longer
};
/*
* Struct used to store one state of the state stack.
*/
typedef struct buf_state
{
int bs_idx; // index of pattern
int bs_flags; // flags for pattern
#ifdef FEAT_CONCEAL
int bs_seqnr; // stores si_seqnr
int bs_cchar; // stores si_cchar
#endif
reg_extmatch_T *bs_extmatch; // external matches from start pattern
} bufstate_T;
/*
* syn_state contains the syntax state stack for the start of one line.
* Used by b_sst_array[].
*/
typedef struct syn_state synstate_T;
struct syn_state
{
synstate_T *sst_next; // next entry in used or free list
linenr_T sst_lnum; // line number for this state
union
{
bufstate_T sst_stack[SST_FIX_STATES]; // short state stack
garray_T sst_ga; // growarray for long state stack
} sst_union;
int sst_next_flags; // flags for sst_next_list
int sst_stacksize; // number of states on the stack
short *sst_next_list; // "nextgroup" list in this state
// (this is a copy, don't free it!
disptick_T sst_tick; // tick when last displayed
linenr_T sst_change_lnum;// when non-zero, change in this line
// may have made the state invalid
};
#endif // FEAT_SYN_HL
#define MAX_HL_ID 20000 // maximum value for a highlight ID.
/*
* Structure shared between syntax.c, screen.c and gui_x11.c.
*/
typedef struct attr_entry
{
short ae_attr; // HL_BOLD, etc.
union
{
struct
{
char_u *start; // start escape sequence
char_u *stop; // stop escape sequence
} term;
struct
{
// These colors need to be > 8 bits to hold 256.
short_u fg_color; // foreground color number
short_u bg_color; // background color number
short_u ul_color; // underline color number
short_u font; // font number
# ifdef FEAT_TERMGUICOLORS
guicolor_T fg_rgb; // foreground color RGB
guicolor_T bg_rgb; // background color RGB
guicolor_T ul_rgb; // underline color RGB
# endif
} cterm;
# ifdef FEAT_GUI
struct
{
guicolor_T fg_color; // foreground color handle
guicolor_T bg_color; // background color handle
guicolor_T sp_color; // special color handle
GuiFont font; // font handle
# ifdef FEAT_XFONTSET
GuiFontset fontset; // fontset handle
# endif
} gui;
# endif
} ae_u;
} attrentry_T;
#ifdef USE_ICONV
# ifdef HAVE_ICONV_H
# include <iconv.h>
# else
# if defined(MACOS_X)
# include <sys/errno.h>
# ifndef EILSEQ
# define EILSEQ ENOENT // Early MacOS X does not have EILSEQ
# endif
typedef struct _iconv_t *iconv_t;
# else
# include <errno.h>
# endif
typedef void *iconv_t;
# endif
#endif
/*
* Used for the typeahead buffer: typebuf.
*/
typedef struct
{
char_u *tb_buf; // buffer for typed characters
char_u *tb_noremap; // mapping flags for characters in tb_buf[]
int tb_buflen; // size of tb_buf[]
int tb_off; // current position in tb_buf[]
int tb_len; // number of valid bytes in tb_buf[]
int tb_maplen; // nr of mapped bytes in tb_buf[]
int tb_silent; // nr of silently mapped bytes in tb_buf[]
int tb_no_abbr_cnt; // nr of bytes without abbrev. in tb_buf[]
int tb_change_cnt; // nr of time tb_buf was changed; never zero
} typebuf_T;
// Struct to hold the saved typeahead for save_typeahead().
typedef struct
{
typebuf_T save_typebuf;
int typebuf_valid; // TRUE when save_typebuf valid
int old_char;
int old_mod_mask;
buffheader_T save_readbuf1;
buffheader_T save_readbuf2;
#ifdef USE_INPUT_BUF
char_u *save_inputbuf;
#endif
} tasave_T;
/*
* Used for conversion of terminal I/O and script files.
*/
typedef struct
{
int vc_type; // zero or one of the CONV_ values
int vc_factor; // max. expansion factor
# ifdef MSWIN
int vc_cpfrom; // codepage to convert from (CONV_CODEPAGE)
int vc_cpto; // codepage to convert to (CONV_CODEPAGE)
# endif
# ifdef USE_ICONV
iconv_t vc_fd; // for CONV_ICONV
# endif
int vc_fail; // fail for invalid char, don't use '?'
} vimconv_T;
/*
* Structure used for the command line history.
*/
typedef struct hist_entry
{
int hisnum; // identifying number
int viminfo; // when TRUE hisstr comes from viminfo
char_u *hisstr; // actual entry, separator char after the NUL
size_t hisstrlen; // length of hisstr (excluding the NUL)
time_t time_set; // when it was typed, zero if unknown
} histentry_T;
#define CONV_NONE 0
#define CONV_TO_UTF8 1
#define CONV_9_TO_UTF8 2
#define CONV_TO_LATIN1 3
#define CONV_TO_LATIN9 4
#define CONV_ICONV 5
#ifdef MSWIN
# define CONV_CODEPAGE 10 // codepage -> codepage
#endif
#ifdef MACOS_X
# define CONV_MAC_LATIN1 20
# define CONV_LATIN1_MAC 21
# define CONV_MAC_UTF8 22
# define CONV_UTF8_MAC 23
#endif
/*
* Structure used for mappings and abbreviations.
*/
typedef struct mapblock mapblock_T;
struct mapblock
{
mapblock_T *m_next; // next mapblock in list
mapblock_T *m_alt; // pointer to mapblock of the same mapping
// with an alternative form of m_keys, or NULL
// if there is no such mapblock
char_u *m_keys; // mapped from, lhs
char_u *m_str; // mapped to, rhs
char_u *m_orig_str; // rhs as entered by the user
int m_keylen; // strlen(m_keys)
int m_mode; // valid mode
int m_simplified; // m_keys was simplified, do not use this map
// if key_protocol_enabled() returns TRUE
int m_noremap; // if non-zero no re-mapping for m_str
char m_silent; // <silent> used, don't echo commands
char m_nowait; // <nowait> used
#ifdef FEAT_EVAL
char m_expr; // <expr> used, m_str is an expression
sctx_T m_script_ctx; // SCTX where map was defined
#endif
};
/*
* Used for highlighting in the status line.
*/
typedef struct
{
char_u *start;
int userhl; // 0: no HL, 1-9: User HL, < 0 for syn ID
} stl_hlrec_T;
/*
* Syntax items - usually buffer-specific.
*/
/*
* Item for a hashtable. "hi_key" can be one of three values:
* NULL: Never been used
* HI_KEY_REMOVED: Entry was removed
* Otherwise: Used item, pointer to the actual key; this usually is
* inside the item, subtract an offset to locate the item.
* This reduces the size of hashitem by 1/3.
*/
typedef struct hashitem_S
{
long_u hi_hash; // cached hash number of hi_key
char_u *hi_key;
} hashitem_T;
// The address of "hash_removed" is used as a magic number for hi_key to
// indicate a removed item.
#define HI_KEY_REMOVED &hash_removed
#define HASHITEM_EMPTY(hi) ((hi)->hi_key == NULL || (hi)->hi_key == &hash_removed)
// Initial size for a hashtable. Our items are relatively small and growing
// is expensive, thus use 16 as a start. Must be a power of 2.
// This allows for storing 10 items (2/3 of 16) before a resize is needed.
#define HT_INIT_SIZE 16
// flags used for ht_flags
#define HTFLAGS_ERROR 0x01 // Set when growing failed, can't add more
// items before growing works.
#define HTFLAGS_FROZEN 0x02 // Trying to add or remove an item will result
// in an error message.
typedef struct hashtable_S
{
long_u ht_mask; // mask used for hash value (nr of items in
// array is "ht_mask" + 1)
long_u ht_used; // number of items used
long_u ht_filled; // number of items used + removed
int ht_changed; // incremented when adding or removing an item
int ht_locked; // counter for hash_lock()
int ht_flags; // HTFLAGS_ values
hashitem_T *ht_array; // points to the array, allocated when it's
// not "ht_smallarray"
hashitem_T ht_smallarray[HT_INIT_SIZE]; // initial array
} hashtab_T;
typedef long_u hash_T; // Type for hi_hash
// Use 64-bit Number.
#ifdef MSWIN
# ifdef PROTO
// workaround for cproto that doesn't recognize __int64
typedef long varnumber_T;
typedef unsigned long uvarnumber_T;
# define VARNUM_MIN LONG_MIN
# define VARNUM_MAX LONG_MAX
# define UVARNUM_MAX ULONG_MAX
# else
typedef __int64 varnumber_T;
typedef unsigned __int64 uvarnumber_T;
# define VARNUM_MIN _I64_MIN
# define VARNUM_MAX _I64_MAX
# define UVARNUM_MAX _UI64_MAX
# endif
#elif defined(HAVE_NO_LONG_LONG)
# if defined(HAVE_STDINT_H)
typedef int64_t varnumber_T;
typedef uint64_t uvarnumber_T;
# define VARNUM_MIN INT64_MIN
# define VARNUM_MAX INT64_MAX
# define UVARNUM_MAX UINT64_MAX
# else
// this may cause trouble for code that depends on 64 bit ints
typedef long varnumber_T;
typedef unsigned long uvarnumber_T;
# define VARNUM_MIN LONG_MIN
# define VARNUM_MAX LONG_MAX
# define UVARNUM_MAX ULONG_MAX
# endif
#else
typedef long long varnumber_T;
typedef unsigned long long uvarnumber_T;
# ifdef LLONG_MIN
# define VARNUM_MIN LLONG_MIN
# define VARNUM_MAX LLONG_MAX
# define UVARNUM_MAX ULLONG_MAX
# else
# define VARNUM_MIN LONG_LONG_MIN
# define VARNUM_MAX LONG_LONG_MAX
# define UVARNUM_MAX ULONG_LONG_MAX
# endif
#endif
// On rare systems "char" is unsigned, sometimes we really want a signed 8-bit
// value.
typedef signed char int8_T;
typedef double float_T;
typedef struct typval_S typval_T;
typedef struct listvar_S list_T;
typedef struct dictvar_S dict_T;
typedef struct partial_S partial_T;
typedef struct blobvar_S blob_T;
// Struct that holds both a normal function name and a partial_T, as used for a
// callback argument.
// When used temporarily "cb_name" is not allocated. The refcounts to either
// the function or the partial are incremented and need to be decremented
// later with free_callback().
typedef struct {
char_u *cb_name;
partial_T *cb_partial;
int cb_free_name; // cb_name was allocated
} callback_T;
typedef struct isn_S isn_T; // instruction
typedef struct dfunc_S dfunc_T; // :def function
typedef struct type_S type_T;
typedef struct ufunc_S ufunc_T;
typedef struct jobvar_S job_T;
typedef struct readq_S readq_T;
typedef struct writeq_S writeq_T;
typedef struct jsonq_S jsonq_T;
typedef struct cbq_S cbq_T;
typedef struct channel_S channel_T;
typedef struct cctx_S cctx_T;
typedef struct ectx_S ectx_T;
typedef struct instr_S instr_T;
typedef struct class_S class_T;
typedef struct object_S object_T;
typedef struct typealias_S typealias_T;
typedef enum
{
VAR_UNKNOWN = 0, // not set, any type or "void" allowed
VAR_ANY, // used for "any" type
VAR_VOID, // no value (function not returning anything)
VAR_BOOL, // "v_number" is used: VVAL_TRUE or VVAL_FALSE
VAR_SPECIAL, // "v_number" is used: VVAL_NULL or VVAL_NONE
VAR_NUMBER, // "v_number" is used
VAR_FLOAT, // "v_float" is used
VAR_STRING, // "v_string" is used
VAR_BLOB, // "v_blob" is used
VAR_FUNC, // "v_string" is function name
VAR_PARTIAL, // "v_partial" is used
VAR_LIST, // "v_list" is used
VAR_DICT, // "v_dict" is used
VAR_JOB, // "v_job" is used
VAR_CHANNEL, // "v_channel" is used
VAR_INSTR, // "v_instr" is used
VAR_CLASS, // "v_class" is used (also used for interface)
VAR_OBJECT, // "v_object" is used
VAR_TYPEALIAS // "v_typealias" is used
} vartype_T;
// A type specification.
struct type_S {
vartype_T tt_type;
int8_T tt_argcount; // for func, incl. vararg, -1 for unknown
int8_T tt_min_argcount; // number of non-optional arguments
char_u tt_flags; // TTFLAG_ values
type_T *tt_member; // for list, dict, func return type
class_T *tt_class; // for class and object
type_T **tt_args; // func argument types, allocated
};
typedef struct {
type_T *type_curr; // current type, value type
type_T *type_decl; // declared type or equal to type_current
} type2_T;
#define TTFLAG_VARARGS 0x01 // func args ends with "..."
#define TTFLAG_BOOL_OK 0x02 // can be converted to bool
#define TTFLAG_FLOAT_OK 0x04 // number can be used/converted to float
#define TTFLAG_NUMBER_OK 0x08 // number can be used for a float
#define TTFLAG_STATIC 0x10 // one of the static types, e.g. t_any
#define TTFLAG_CONST 0x20 // cannot be changed
#define TTFLAG_SUPER 0x40 // object from "super".
typedef enum {
VIM_ACCESS_PRIVATE, // read/write only inside the class
VIM_ACCESS_READ, // read everywhere, write only inside the class
VIM_ACCESS_ALL // read/write everywhere
} omacc_T;
#define OCMFLAG_HAS_TYPE 0x01 // type specified explicitly
#define OCMFLAG_FINAL 0x02 // "final" object/class member
#define OCMFLAG_CONST 0x04 // "const" object/class member
/*
* Object methods called by builtin functions (e.g. string(), empty(), etc.)
*/
typedef enum {
CLASS_BUILTIN_INVALID,
CLASS_BUILTIN_STRING,
CLASS_BUILTIN_EMPTY,
CLASS_BUILTIN_LEN,
CLASS_BUILTIN_MAX
} class_builtin_T;
/*
* Entry for an object or class member variable.
*/
typedef struct {
char_u *ocm_name; // allocated
omacc_T ocm_access;
type_T *ocm_type;
int ocm_flags;
char_u *ocm_init; // allocated
} ocmember_T;
// used for the lookup table of a class member index and object method index
typedef struct itf2class_S itf2class_T;
struct itf2class_S {
itf2class_T *i2c_next;
class_T *i2c_class;
int i2c_is_method; // TRUE for method indexes
// array with ints follows
};
#define CLASS_INTERFACE 0x1
#define CLASS_EXTENDED 0x2 // another class extends this one
#define CLASS_ABSTRACT 0x4 // abstract class
#define CLASS_ENUM 0x8 // enum
// "class_T": used for v_class of typval of VAR_CLASS
// Also used for an interface (class_flags has CLASS_INTERFACE).
struct class_S
{
char_u *class_name; // allocated
int class_flags; // CLASS_ flags
int class_refcount;
int class_copyID; // used by garbage collection
class_T *class_next_used; // for list headed by "first_class"
class_T *class_prev_used; // for list headed by "first_class"
class_T *class_extends; // parent class or NULL
// interfaces declared for the class
int class_interface_count;
char_u **class_interfaces; // allocated array of names
class_T **class_interfaces_cl; // interfaces (counts as reference)
itf2class_T *class_itf2class; // member index lookup tables
// class members: "static varname"
int class_class_member_count;
ocmember_T *class_class_members; // allocated
typval_T *class_members_tv; // allocated array of class member vals
// class functions: "static def SomeMethod()"
int class_class_function_count; // total count
int class_class_function_count_child; // count without "extends"
ufunc_T **class_class_functions; // allocated
// object members: "this.varname"
int class_obj_member_count;
ocmember_T *class_obj_members; // allocated
// object methods: "def SomeMethod()"
int class_obj_method_count; // total count
int class_obj_method_count_child; // count without "extends"
ufunc_T **class_obj_methods; // allocated
// index of builtin methods
int class_builtin_methods[CLASS_BUILTIN_MAX];
garray_T class_type_list; // used for type pointers
type_T class_type; // type used for the class
type_T class_object_type; // same as class_type but VAR_OBJECT
};
#define IS_INTERFACE(cl) ((cl)->class_flags & CLASS_INTERFACE)
#define IS_ENUM(cl) ((cl)->class_flags & CLASS_ENUM)
// Used for v_object of typval of VAR_OBJECT.
// The member variables follow in an array of typval_T.
struct object_S
{
class_T *obj_class; // class this object is created for;
// pointer adds to class_refcount
int obj_refcount;
object_T *obj_next_used; // for list headed by "first_object"
object_T *obj_prev_used; // for list headed by "first_object"
int obj_copyID; // used by garbage collection
};
struct typealias_S
{
int ta_refcount;
type_T *ta_type;
char_u *ta_name;
};
/*
* Structure to hold an internal variable without a name.
*/
struct typval_S
{
vartype_T v_type;
char v_lock; // see below: VAR_LOCKED, VAR_FIXED
union
{
varnumber_T v_number; // number value
float_T v_float; // floating point number value
char_u *v_string; // string value (can be NULL)
list_T *v_list; // list value (can be NULL)
dict_T *v_dict; // dict value (can be NULL)
partial_T *v_partial; // closure: function with args
#ifdef FEAT_JOB_CHANNEL
job_T *v_job; // job value (can be NULL)
channel_T *v_channel; // channel value (can be NULL)
#endif
blob_T *v_blob; // blob value (can be NULL)
instr_T *v_instr; // instructions to execute
class_T *v_class; // class value (can be NULL)
object_T *v_object; // object value (can be NULL)
typealias_T *v_typealias; // user-defined type name
} vval;
};
// Values for "dv_scope".
#define VAR_SCOPE 1 // a:, v:, s:, etc. scope dictionaries
#define VAR_DEF_SCOPE 2 // l:, g: scope dictionaries: here funcrefs are not
// allowed to mask existing functions
// Values for "v_lock".
#define VAR_LOCKED 1 // locked with lock(), can use unlock()
#define VAR_FIXED 2 // locked forever
#define VAR_ITEMS_LOCKED 4 // items of non-materialized list locked
/*
* Structure to hold an item of a list: an internal variable without a name.
*/
typedef struct listitem_S listitem_T;
struct listitem_S
{
listitem_T *li_next; // next item in list
listitem_T *li_prev; // previous item in list
typval_T li_tv; // type and value of the variable
};
// Struct used by those that are using an item in a list.
typedef struct listwatch_S listwatch_T;
struct listwatch_S
{
listitem_T *lw_item; // item being watched
listwatch_T *lw_next; // next watcher
};
/*
* Structure to hold info about a list.
* Order of members is optimized to reduce padding.
* When created by range() it will at first have special value:
* lv_first == &range_list_item;
* and use lv_start, lv_end, lv_stride.
*/
struct listvar_S
{
listitem_T *lv_first; // first item, NULL if none, &range_list_item
// for a non-materialized list
listwatch_T *lv_watch; // first watcher, NULL if none
union {
struct { // used for non-materialized range list:
// "lv_first" is &range_list_item
varnumber_T lv_start;
varnumber_T lv_end;
int lv_stride;
} nonmat;
struct { // used for materialized list
listitem_T *lv_last; // last item, NULL if none
listitem_T *lv_idx_item; // when not NULL item at index "lv_idx"
int lv_idx; // cached index of an item
} mat;
} lv_u;
type_T *lv_type; // current type, allocated by alloc_type()
list_T *lv_copylist; // copied list used by deepcopy()
list_T *lv_used_next; // next list in used lists list
list_T *lv_used_prev; // previous list in used lists list
int lv_refcount; // reference count
int lv_len; // number of items
int lv_with_items; // number of items following this struct that
// should not be freed
int lv_copyID; // ID used by deepcopy()
char lv_lock; // zero, VAR_LOCKED, VAR_FIXED
};
/*
* Static list with 10 items. Use init_static_list() to initialize.
*/
typedef struct {
list_T sl_list; // must be first
listitem_T sl_items[10];
} staticList10_T;
/*
* Structure to hold an item of a Dictionary.
* Also used for a variable.
* The key is copied into "di_key" to avoid an extra alloc/free for it.
*/
struct dictitem_S
{
typval_T di_tv; // type and value of the variable
char_u di_flags; // DI_FLAGS_ flags (only used for variable)
char_u di_key[1]; // key (actually longer!)
};
typedef struct dictitem_S dictitem_T;
/*
* A dictitem with a 16 character key (plus NUL). This is an efficient way to
* have a fixed-size dictitem.
*/
#define DICTITEM16_KEY_LEN 16
struct dictitem16_S
{
typval_T di_tv; // type and value of the variable
char_u di_flags; // DI_FLAGS_ flags (only used for variable)
char_u di_key[DICTITEM16_KEY_LEN + 1]; // key
};
typedef struct dictitem16_S dictitem16_T;
// Flags for "di_flags"
#define DI_FLAGS_RO 0x01 // read-only variable
#define DI_FLAGS_RO_SBX 0x02 // read-only in the sandbox
#define DI_FLAGS_FIX 0x04 // fixed: no :unlet or remove()
#define DI_FLAGS_LOCK 0x08 // locked variable
#define DI_FLAGS_ALLOC 0x10 // separately allocated
#define DI_FLAGS_RELOAD 0x20 // set when script sourced again
/*
* Structure to hold info about a Dictionary.
*/
struct dictvar_S
{
char dv_lock; // zero, VAR_LOCKED, VAR_FIXED
char dv_scope; // zero, VAR_SCOPE, VAR_DEF_SCOPE
int dv_refcount; // reference count
int dv_copyID; // ID used by deepcopy()
hashtab_T dv_hashtab; // hashtab that refers to the items
type_T *dv_type; // current type, allocated by alloc_type()
dict_T *dv_copydict; // copied dict used by deepcopy()
dict_T *dv_used_next; // next dict in used dicts list
dict_T *dv_used_prev; // previous dict in used dicts list
};
/*
* Structure to hold info about a blob.
*/
struct blobvar_S
{
garray_T bv_ga; // growarray with the data
int bv_refcount; // reference count
char bv_lock; // zero, VAR_LOCKED, VAR_FIXED
};
typedef int (*cfunc_T)(int argcount, typval_T *argvars, typval_T *rettv, void *state);
typedef void (*cfunc_free_T)(void *state);
// type of getline() last argument
typedef enum {
GETLINE_NONE, // do not concatenate any lines
GETLINE_CONCAT_CONT, // concatenate continuation lines with backslash
GETLINE_CONCAT_CONTBAR, // concatenate continuation lines with \ and |
GETLINE_CONCAT_ALL // concatenate continuation and Vim9 # comment lines
} getline_opt_T;
typedef struct svar_S svar_T;
#if defined(FEAT_EVAL) || defined(PROTO)
/*
* Info used by a ":for" loop.
*/
typedef struct
{
int fi_semicolon; // TRUE if ending in '; var]'
int fi_varcount; // nr of variables in [] or zero
int fi_break_count; // nr of line breaks encountered
listwatch_T fi_lw; // keep an eye on the item used.
list_T *fi_list; // list being used
int fi_bi; // index of blob
blob_T *fi_blob; // blob being used
char_u *fi_string; // copy of string being used
int fi_byte_idx; // byte index in fi_string
int fi_cs_flags; // cs_flags or'ed together
} forinfo_T;
typedef struct funccall_S funccall_T;
// values used for "uf_def_status"
typedef enum {
UF_NOT_COMPILED, // executed with interpreter
UF_TO_BE_COMPILED, // to be compiled before execution
UF_COMPILING, // in compile_def_function()
UF_COMPILED, // successfully compiled
UF_COMPILE_ERROR // compilation error, cannot execute
} def_status_T;
/*
* Structure to hold info for a user function.
* When adding a field check copy_lambda_to_global_func().
*/
struct ufunc_S
{
int uf_varargs; // variable nr of arguments (old style)
int uf_flags; // FC_ flags
int uf_calls; // nr of active calls
int uf_cleared; // func_clear() was already called
def_status_T uf_def_status; // UF_NOT_COMPILED, UF_TO_BE_COMPILED, etc.
int uf_dfunc_idx; // only valid if uf_def_status is UF_COMPILED
class_T *uf_class; // for class/object method and constructor;
// does not count for class_refcount.
// class of the object which is invoking this
// function.
class_T *uf_defclass; // class where this function is defined.
garray_T uf_args; // arguments, including optional arguments
garray_T uf_def_args; // default argument expressions
int uf_args_visible; // normally uf_args.ga_len, less when
// compiling default argument expression.
// for :def (for :function uf_ret_type is NULL)
type_T **uf_arg_types; // argument types (count == uf_args.ga_len)
type_T *uf_ret_type; // return type
garray_T uf_type_list; // types used in arg and return types
partial_T *uf_partial; // for closure created inside :def function:
// information about the context
char_u *uf_va_name; // name from "...name" or NULL
type_T *uf_va_type; // type from "...name: type" or NULL
type_T *uf_func_type; // type of the function, &t_func_any if unknown
int uf_block_depth; // nr of entries in uf_block_ids
int *uf_block_ids; // blocks a :def function is defined inside
# if defined(FEAT_LUA)
cfunc_T uf_cb; // callback function for cfunc
cfunc_free_T uf_cb_free; // callback function to free cfunc
void *uf_cb_state; // state of uf_cb
# endif
garray_T uf_lines; // function lines
int uf_debug_tick; // when last checked for a breakpoint in this
// function.
int uf_has_breakpoint; // TRUE when a breakpoint has been set in
// this function.
# ifdef FEAT_PROFILE
int uf_profiling; // TRUE when func is being profiled
int uf_prof_initialized;
hash_T uf_hash; // hash for uf_name when profiling
// profiling the function as a whole
int uf_tm_count; // nr of calls
proftime_T uf_tm_total; // time spent in function + children
proftime_T uf_tm_self; // time spent in function itself
proftime_T uf_tm_children; // time spent in children this call
// profiling the function per line
int *uf_tml_count; // nr of times line was executed
proftime_T *uf_tml_total; // time spent in a line + children
proftime_T *uf_tml_self; // time spent in a line itself
proftime_T uf_tml_start; // start time for current line
proftime_T uf_tml_children; // time spent in children for this line
proftime_T uf_tml_wait; // start wait time for current line
int uf_tml_idx; // index of line being timed; -1 if none
int uf_tml_execed; // line being timed was executed
# endif
sctx_T uf_script_ctx; // SCTX where function was defined,
// used for s: variables; sc_version changed
// for :function
int uf_script_ctx_version; // original sc_version of SCTX
int uf_refcount; // reference count, see func_name_refcount()
funccall_T *uf_scoped; // l: local variables for closure
char_u *uf_name_exp; // if "uf_name[]" starts with SNR the name with
// "<SNR>" as a string, otherwise NULL
char_u uf_name[4]; // name of function (actual size equals name);
// can start with <SNR>123_ (<SNR> is K_SPECIAL
// KS_EXTRA KE_SNR)
};
// flags used in uf_flags
#define FC_ABORT 0x01 // abort function on error
#define FC_RANGE 0x02 // function accepts range
#define FC_DICT 0x04 // Dict function, uses "self"
#define FC_CLOSURE 0x08 // closure, uses outer scope variables
#define FC_DELETED 0x10 // :delfunction used while uf_refcount > 0
#define FC_REMOVED 0x20 // function redefined while uf_refcount > 0
#define FC_SANDBOX 0x40 // function defined in the sandbox
#define FC_DEAD 0x80 // function kept only for reference to dfunc
#define FC_EXPORT 0x100 // "export def Func()"
#define FC_NOARGS 0x200 // no a: variables in lambda
#define FC_VIM9 0x400 // defined in vim9 script file
#define FC_CFUNC 0x800 // defined as Lua C func
#define FC_COPY 0x1000 // copy of another function by
// copy_lambda_to_global_func()
#define FC_LAMBDA 0x2000 // one line "return {expr}"
#define FC_OBJECT 0x4000 // object method
#define FC_NEW 0x8000 // constructor
#define FC_ABSTRACT 0x10000 // abstract method
// Is "ufunc" an object method?
#define IS_OBJECT_METHOD(ufunc) ((ufunc->uf_flags & FC_OBJECT) == FC_OBJECT)
// Is "ufunc" a class new() constructor method?
#define IS_CONSTRUCTOR_METHOD(ufunc) ((ufunc->uf_flags & FC_NEW) == FC_NEW)
// Is "ufunc" an abstract class method?
#define IS_ABSTRACT_METHOD(ufunc) ((ufunc->uf_flags & FC_ABSTRACT) == FC_ABSTRACT)
#define MAX_FUNC_ARGS 20 // maximum number of function arguments
#define VAR_SHORT_LEN 20 // short variable name length
#define FIXVAR_CNT 12 // number of fixed variables
/*
* Structure to hold info for a function that is currently being executed.
*/
struct funccall_S
{
ufunc_T *fc_func; // function being called
int fc_linenr; // next line to be executed
int fc_returned; // ":return" used
struct // fixed variables for arguments
{
dictitem_T var; // variable (without room for name)
char_u room[VAR_SHORT_LEN]; // room for the name
} fc_fixvar[FIXVAR_CNT];
dict_T fc_l_vars; // l: local function variables
dictitem_T fc_l_vars_var; // variable for l: scope
dict_T fc_l_avars; // a: argument variables
dictitem_T fc_l_avars_var; // variable for a: scope
list_T fc_l_varlist; // list for a:000
listitem_T fc_l_listitems[MAX_FUNC_ARGS]; // listitems for a:000
typval_T *fc_rettv; // return value
linenr_T fc_breakpoint; // next line with breakpoint or zero
int fc_dbg_tick; // debug_tick when breakpoint was set
int fc_level; // top nesting level of executed function
garray_T fc_defer; // functions to be called on return
ectx_T *fc_ectx; // execution context for :def function, NULL
// otherwise
#ifdef FEAT_PROFILE
proftime_T fc_prof_child; // time spent in a child
#endif
funccall_T *fc_caller; // calling function or NULL; or next funccal in
// list pointed to by previous_funccal.
// for closure
int fc_refcount; // number of user functions that reference this
// funccal
int fc_copyID; // for garbage collection
garray_T fc_ufuncs; // list of ufunc_T* which keep a reference to
// "fc_func"
};
// structure used as item in "fc_defer"
typedef struct
{
char_u *dr_name; // function name, allocated
typval_T dr_argvars[MAX_FUNC_ARGS + 1];
int dr_argcount;
} defer_T;
/*
* Struct used by trans_function_name()
*/
typedef struct
{
dict_T *fd_dict; // Dictionary used
char_u *fd_newkey; // new key in "dict" in allocated memory
dictitem_T *fd_di; // Dictionary item used
} funcdict_T;
typedef struct funccal_entry funccal_entry_T;
struct funccal_entry {
void *top_funccal;
funccal_entry_T *next;
};
// From user function to hashitem and back.
#define UF2HIKEY(fp) ((fp)->uf_name)
#define HIKEY2UF(p) ((ufunc_T *)((p) - offsetof(ufunc_T, uf_name)))
#define HI2UF(hi) HIKEY2UF((hi)->hi_key)
/*
* Holds the hashtab with variables local to each sourced script.
* Each item holds a variable (nameless) that points to the dict_T.
*/
typedef struct {
dictitem_T sv_var;
dict_T sv_dict;
} scriptvar_T;
/*
* Entry for "sn_all_vars". Contains the s: variables from sn_vars plus the
* block-local ones.
*/
typedef struct sallvar_S sallvar_T;
struct sallvar_S {
sallvar_T *sav_next; // var with same name but different block
int sav_block_id; // block ID where declared
int sav_var_vals_idx; // index in sn_var_vals
// So long as the variable is valid (block it was defined in is still
// active) "sav_di" is used. It is set to NULL when leaving the block,
// then sav_tv and sav_flags are used.
dictitem_T *sav_di; // dictitem with di_key and di_tv
typval_T sav_tv; // type and value of the variable
char_u sav_flags; // DI_FLAGS_ flags (only used for variable)
char_u sav_key[1]; // key (actually longer!)
};
/*
* In the sn_all_vars hashtab item "hi_key" points to "sav_key" in a sallvar_T.
* This makes it possible to store and find the sallvar_T.
* SAV2HIKEY() converts a sallvar_T pointer to a hashitem key pointer.
* HIKEY2SAV() converts a hashitem key pointer to a sallvar_T pointer.
* HI2SAV() converts a hashitem pointer to a sallvar_T pointer.
*/
#define SAV2HIKEY(sav) ((sav)->sav_key)
#define HIKEY2SAV(p) ((sallvar_T *)(p - offsetof(sallvar_T, sav_key)))
#define HI2SAV(hi) HIKEY2SAV((hi)->hi_key)
#define SVFLAG_TYPE_ALLOCATED 1 // call free_type() for "sv_type"
#define SVFLAG_EXPORTED 2 // "export let var = val"
#define SVFLAG_ASSIGNED 4 // assigned a value
/*
* Entry for "sn_var_vals". Used for script-local variables.
*/
struct svar_S {
char_u *sv_name; // points into "sn_all_vars" di_key
typval_T *sv_tv; // points into "sn_vars" or "sn_all_vars" di_tv
type_T *sv_type;
int sv_flags; // SVFLAG_ values above
int sv_const; // 0, ASSIGN_CONST or ASSIGN_FINAL
};
typedef struct {
char_u *imp_name; // name imported as (allocated)
scid_T imp_sid; // script ID of "from"
int imp_flags; // IMP_FLAGS_ values
} imported_T;
#define IMP_FLAGS_RELOAD 2 // script reloaded, OK to redefine
#define IMP_FLAGS_AUTOLOAD 4 // script still needs to be loaded
/*
* Info about an encountered script.
* When sn_state has SN_STATE_NOT_LOADED, it has not been sourced yet.
*/
typedef struct
{
char_u *sn_name; // full path of script file
int sn_script_seq; // latest sctx_T sc_seq value
// When non-zero the script ID of the actually sourced script. Used if a
// script is used by a name which has a symlink, we list both names, but
// only the linked-to script is actually sourced.
int sn_sourced_sid;
// "sn_vars" stores the s: variables currently valid. When leaving a block
// variables local to that block are removed.
scriptvar_T *sn_vars;
// Specific for a Vim9 script.
// "sn_all_vars" stores all script variables ever declared. So long as the
// variable is still valid the value is in "sn_vars->sv_dict...di_tv".
// When the block of a declaration is left the value is moved to
// "sn_all_vars..sav_tv".
// Variables with duplicate names are possible, the sav_block_id must be
// used to check that which variable is valid.
dict_T sn_all_vars; // all script variables, dict of sallvar_T
// Stores the same variables as in "sn_all_vars" as a list of svar_T, so
// that they can be quickly found by index instead of a hash table lookup.
// Also stores the type.
garray_T sn_var_vals;
garray_T sn_imports; // imported items, imported_T
garray_T sn_type_list; // keeps types used by variables
int sn_current_block_id; // ID for current block, 0 for outer
int sn_last_block_id; // Unique ID for each script block
int sn_version; // :scriptversion
int sn_state; // SN_STATE_ values
char_u *sn_save_cpo; // 'cpo' value when :vim9script found
char sn_is_vimrc; // .vimrc file, do not restore 'cpo'
char sn_syml_checked;// flag: this has been checked for sym link
// for a Vim9 script under "rtp/autoload/" this is "dir#scriptname#"
char_u *sn_autoload_prefix;
// TRUE for a script used with "import autoload './dirname/script.vim'"
// For "../autoload/script.vim" sn_autoload_prefix is also set.
int sn_import_autoload;
# ifdef FEAT_PROFILE
int sn_prof_on; // TRUE when script is/was profiled
int sn_pr_force; // forceit: profile functions in this script
proftime_T sn_pr_child; // time set when going into first child
int sn_pr_nest; // nesting for sn_pr_child
// profiling the script as a whole
int sn_pr_count; // nr of times sourced
proftime_T sn_pr_total; // time spent in script + children
proftime_T sn_pr_self; // time spent in script itself
proftime_T sn_pr_start; // time at script start
proftime_T sn_pr_children; // time in children after script start
// profiling the script per line
garray_T sn_prl_ga; // things stored for every line
proftime_T sn_prl_start; // start time for current line
proftime_T sn_prl_children; // time spent in children for this line
proftime_T sn_prl_wait; // wait start time for current line
int sn_prl_idx; // index of line being timed; -1 if none
int sn_prl_execed; // line being timed was executed
# endif
} scriptitem_T;
#define SN_STATE_NEW 0 // newly loaded script, nothing done
#define SN_STATE_NOT_LOADED 1 // script located but not loaded
#define SN_STATE_RELOAD 2 // script loaded before, nothing done
#define SN_STATE_HAD_COMMAND 9 // a command was executed
// Struct passed through eval() functions.
// See EVALARG_EVALUATE for a fixed value with eval_flags set to EVAL_EVALUATE.
typedef struct {
int eval_flags; // EVAL_ flag values below
int eval_break_count; // nr of line breaks consumed
// copied from exarg_T when "getline" is "getsourceline". Can be NULL.
char_u *(*eval_getline)(int, void *, int, getline_opt_T);
void *eval_cookie; // argument for eval_getline()
// used when compiling a :def function, NULL otherwise
cctx_T *eval_cctx;
// used when executing commands from a script, NULL otherwise
cstack_T *eval_cstack;
// Used to collect lines while parsing them, so that they can be
// concatenated later. Used when "eval_ga.ga_itemsize" is not zero.
// "eval_ga.ga_data" is a list of pointers to lines.
// "eval_freega" list pointers that need to be freed after concatenating.
garray_T eval_ga;
garray_T eval_freega;
// pointer to the last line obtained with getsourceline()
char_u *eval_tofree;
// array with lines of an inline function
garray_T eval_tofree_ga;
// set when "arg" points into the last entry of "eval_tofree_ga"
int eval_using_cmdline;
// pointer to the lines concatenated for a lambda.
char_u *eval_tofree_lambda;
} evalarg_T;
// Flag for expression evaluation.
#define EVAL_EVALUATE 1 // when missing don't actually evaluate
# ifdef FEAT_PROFILE
/*
* Struct used in sn_prl_ga for every line of a script.
*/
typedef struct sn_prl_S
{
int snp_count; // nr of times line was executed
proftime_T sn_prl_total; // time spent in a line + children
proftime_T sn_prl_self; // time spent in a line itself
} sn_prl_T;
# define PRL_ITEM(si, idx) (((sn_prl_T *)(si)->sn_prl_ga.ga_data)[(idx)])
typedef struct {
int pi_started_profiling;
proftime_T pi_wait_start;
proftime_T pi_call_start;
} profinfo_T;
# else
typedef struct
{
int dummy;
} profinfo_T;
# endif
#else
// dummy typedefs for use in function prototypes
struct ufunc_S
{
int dummy;
};
typedef struct
{
int dummy;
} funccall_T;
typedef struct
{
int dummy;
} funcdict_T;
typedef struct
{
int dummy;
} funccal_entry_T;
typedef struct
{
int dummy;
} scriptitem_T;
typedef struct
{
int dummy;
} evalarg_T;
#endif
// Struct passed between functions dealing with function call execution.
//
// "fe_argv_func", when not NULL, can be used to fill in arguments only when the
// invoked function uses them. It is called like this:
// new_argcount = fe_argv_func(current_argcount, argv, partial_argcount,
// called_func)
//
typedef struct {
int (* fe_argv_func)(int, typval_T *, int, ufunc_T *);
linenr_T fe_firstline; // first line of range
linenr_T fe_lastline; // last line of range
int *fe_doesrange; // if not NULL: return: function handled range
int fe_evaluate; // actually evaluate expressions
ufunc_T *fe_ufunc; // function to be called, when NULL lookup by
// name
partial_T *fe_partial; // for "dict" and extra arguments
dict_T *fe_selfdict; // Dictionary for "self"
object_T *fe_object; // object, e.g. for "this.Func()"
typval_T *fe_basetv; // base for base->method()
type_T *fe_check_type; // type from funcref or NULL
int fe_found_var; // if the function is not found then give an
// error that a variable is not callable.
} funcexe_T;
/*
* Structure to hold the context of a compiled function, used by closures
* defined in that function.
*/
typedef struct funcstack_S funcstack_T;
struct funcstack_S
{
funcstack_T *fs_next; // linked list at "first_funcstack"
funcstack_T *fs_prev;
garray_T fs_ga; // contains the stack, with:
// - arguments
// - frame
// - local variables
int fs_var_offset; // count of arguments + frame size == offset to
// local variables
int fs_refcount; // nr of closures referencing this funcstack
int fs_min_refcount; // nr of closures on this funcstack
int fs_copyID; // for garbage collection
};
/*
* Structure to hold the variables declared in a loop that are possibly used
* in a closure.
*/
typedef struct loopvars_S loopvars_T;
struct loopvars_S
{
loopvars_T *lvs_next; // linked list at "first_loopvars"
loopvars_T *lvs_prev;
garray_T lvs_ga; // contains the variables
int lvs_refcount; // nr of closures referencing this loopvars
int lvs_min_refcount; // nr of closures on this loopvars
int lvs_copyID; // for garbage collection
};
// maximum nesting of :while and :for loops in a :def function
#define MAX_LOOP_DEPTH 10
typedef struct outer_S outer_T;
struct outer_S {
garray_T *out_stack; // stack from outer scope, or a copy
// containing only arguments and local vars
int out_frame_idx; // index of stack frame in out_stack
outer_T *out_up; // outer scope of outer scope or NULL
partial_T *out_up_partial; // partial owning out_up or NULL
struct {
garray_T *stack; // stack from outer scope, or a copy
// containing only vars inside the loop
short var_idx; // first variable defined in a loop in
// out_loop_stack
short var_count; // number of variables defined in a loop
} out_loop[MAX_LOOP_DEPTH];
int out_loop_size; // nr of used entries in out_loop[]
};
struct partial_S
{
int pt_refcount; // reference count
int pt_auto; // when TRUE the partial was created for using
// dict.member in handle_subscript()
char_u *pt_name; // function name; when NULL use
// pt_func->uf_name
ufunc_T *pt_func; // function pointer; when NULL lookup function
// with pt_name
// For a compiled closure: the arguments and local variables scope
outer_T pt_outer;
// For a partial of a partial: use pt_outer values of this partial.
partial_T *pt_outer_partial;
funcstack_T *pt_funcstack; // copy of stack, used after context
// function returns
loopvars_T *(pt_loopvars[MAX_LOOP_DEPTH]);
// copy of loop variables, used after loop
// block ends
typval_T *pt_argv; // arguments in allocated array
int pt_argc; // number of arguments
int pt_copyID; // funcstack may contain pointer to partial
dict_T *pt_dict; // dict for "self"
object_T *pt_obj; // object method
};
typedef struct {
short lvi_depth; // current nested loop depth
struct {
short var_idx; // index of first variable inside loop
short var_count; // number of variables inside loop
} lvi_loop[MAX_LOOP_DEPTH];
} loopvarinfo_T;
typedef struct AutoPatCmd_S AutoPatCmd_T;
/*
* Entry in the execution stack "exestack".
*/
typedef enum {
ETYPE_TOP, // toplevel
ETYPE_SCRIPT, // sourcing script, use es_info.sctx
ETYPE_UFUNC, // user function, use es_info.ufunc
ETYPE_AUCMD, // autocomand, use es_info.aucmd
ETYPE_MODELINE, // modeline, use es_info.sctx
ETYPE_EXCEPT, // exception, use es_info.exception
ETYPE_ARGS, // command line argument
ETYPE_ENV, // environment variable
ETYPE_INTERNAL, // internal operation
ETYPE_SPELL, // loading spell file
} etype_T;
typedef struct {
long es_lnum; // replaces "sourcing_lnum"
char_u *es_name; // replaces "sourcing_name"
etype_T es_type;
union {
sctx_T *sctx; // script and modeline info
#if defined(FEAT_EVAL)
ufunc_T *ufunc; // function info
#endif
AutoPatCmd_T *aucmd; // autocommand info
except_T *except; // exception info
} es_info;
#if defined(FEAT_EVAL)
sctx_T es_save_sctx; // saved current_sctx when calling function
#endif
} estack_T;
// Information returned by get_tty_info().
typedef struct {
int backspace; // what the Backspace key produces
int enter; // what the Enter key produces
int interrupt; // interrupt character
int nl_does_cr; // TRUE when a NL is expanded to CR-NL on output
} ttyinfo_T;
// Status of a job. Order matters!
typedef enum
{
JOB_FAILED,
JOB_STARTED,
JOB_ENDED, // detected job done
JOB_FINISHED, // job done and cleanup done
} jobstatus_T;
/*
* Structure to hold info about a Job.
*/
struct jobvar_S
{
job_T *jv_next;
job_T *jv_prev;
#ifdef UNIX
pid_t jv_pid;
#endif
#ifdef MSWIN
PROCESS_INFORMATION jv_proc_info;
HANDLE jv_job_object;
#endif
jobstatus_T jv_status;
char_u *jv_tty_in; // controlling tty input, allocated
char_u *jv_tty_out; // controlling tty output, allocated
char_u *jv_stoponexit; // allocated
#ifdef UNIX
char_u *jv_termsig; // allocated
#endif
#ifdef MSWIN
char_u *jv_tty_type; // allocated
#endif
int jv_exitval;
callback_T jv_exit_cb;
buf_T *jv_in_buf; // buffer from "in-name"
int jv_refcount; // reference count
int jv_copyID;
channel_T *jv_channel; // channel for I/O, reference counted
char **jv_argv; // command line used to start the job
};
/*
* Structures to hold info about a Channel.
*/
struct readq_S
{
char_u *rq_buffer;
long_u rq_buflen;
readq_T *rq_next;
readq_T *rq_prev;
};
struct writeq_S
{
garray_T wq_ga;
writeq_T *wq_next;
writeq_T *wq_prev;
};
struct jsonq_S
{
typval_T *jq_value;
jsonq_T *jq_next;
jsonq_T *jq_prev;
int jq_no_callback; // TRUE when no callback was found
};
struct cbq_S
{
callback_T cq_callback;
int cq_seq_nr;
cbq_T *cq_next;
cbq_T *cq_prev;
};
// mode for a channel
typedef enum
{
CH_MODE_NL = 0,
CH_MODE_RAW,
CH_MODE_JSON,
CH_MODE_JS,
CH_MODE_LSP // Language Server Protocol (http + json)
} ch_mode_T;
typedef enum {
JIO_PIPE, // default
JIO_NULL,
JIO_FILE,
JIO_BUFFER,
JIO_OUT
} job_io_T;
#define CH_PART_FD(part) ch_part[part].ch_fd
// Ordering matters, it is used in for loops: IN is last, only SOCK/OUT/ERR
// are polled.
typedef enum {
PART_SOCK = 0,
#define CH_SOCK_FD CH_PART_FD(PART_SOCK)
#ifdef FEAT_JOB_CHANNEL
PART_OUT,
# define CH_OUT_FD CH_PART_FD(PART_OUT)
PART_ERR,
# define CH_ERR_FD CH_PART_FD(PART_ERR)
PART_IN,
# define CH_IN_FD CH_PART_FD(PART_IN)
#endif
PART_COUNT,
} ch_part_T;
#define INVALID_FD (-1)
// The per-fd info for a channel.
typedef struct {
sock_T ch_fd; // socket/stdin/stdout/stderr, -1 if not used
# if defined(UNIX) && !defined(HAVE_SELECT)
int ch_poll_idx; // used by channel_poll_setup()
# endif
#ifdef FEAT_GUI_X11
XtInputId ch_inputHandler; // Cookie for input
#endif
#ifdef FEAT_GUI_GTK
gint ch_inputHandler; // Cookie for input
#endif
ch_mode_T ch_mode;
job_io_T ch_io;
int ch_timeout; // request timeout in msec
readq_T ch_head; // header for circular raw read queue
jsonq_T ch_json_head; // header for circular json read queue
garray_T ch_block_ids; // list of IDs that channel_read_json_block()
// is waiting for
// When ch_wait_len is non-zero use ch_deadline to wait for incomplete
// message to be complete. The value is the length of the incomplete
// message when the deadline was set. If it gets longer (something was
// received) the deadline is reset.
size_t ch_wait_len;
#ifdef MSWIN
DWORD ch_deadline;
#else
struct timeval ch_deadline;
#endif
int ch_block_write; // for testing: 0 when not used, -1 when write
// does not block, 1 simulate blocking
int ch_nonblocking; // write() is non-blocking
writeq_T ch_writeque; // header for write queue
cbq_T ch_cb_head; // dummy node for per-request callbacks
callback_T ch_callback; // call when a msg is not handled
bufref_T ch_bufref; // buffer to read from or write to
int ch_nomodifiable; // TRUE when buffer can be 'nomodifiable'
int ch_nomod_error; // TRUE when e_modifiable was given
int ch_buf_append; // write appended lines instead top-bot
linenr_T ch_buf_top; // next line to send
linenr_T ch_buf_bot; // last line to send
} chanpart_T;
struct channel_S {
channel_T *ch_next;
channel_T *ch_prev;
int ch_id; // ID of the channel
int ch_last_msg_id; // ID of the last message
chanpart_T ch_part[PART_COUNT]; // info for socket, out, err and in
int ch_write_text_mode; // write buffer lines with CR, not NL
char *ch_hostname; // only for socket, allocated
int ch_port; // only for socket
int ch_to_be_closed; // bitset of readable fds to be closed.
// When all readable fds have been closed,
// set to (1 << PART_COUNT).
int ch_to_be_freed; // When TRUE channel must be freed when it's
// safe to invoke callbacks.
int ch_error; // When TRUE an error was reported. Avoids
// giving pages full of error messages when
// the other side has exited, only mention the
// first error until the connection works
// again.
void (*ch_nb_close_cb)(void);
// callback for Netbeans when channel is
// closed
#ifdef MSWIN
int ch_named_pipe; // using named pipe instead of pty
#endif
callback_T ch_callback; // call when any msg is not handled
callback_T ch_close_cb; // call when channel is closed
int ch_drop_never;
int ch_keep_open; // do not close on read error
int ch_nonblock;
job_T *ch_job; // Job that uses this channel; this does not
// count as a reference to avoid a circular
// reference, the job refers to the channel.
int ch_job_killed; // TRUE when there was a job and it was killed
// or we know it died.
int ch_anonymous_pipe; // ConPTY
int ch_killing; // TerminateJobObject() was called
int ch_refcount; // reference count
int ch_copyID;
};
#define JO_MODE 0x0001 // channel mode
#define JO_IN_MODE 0x0002 // stdin mode
#define JO_OUT_MODE 0x0004 // stdout mode
#define JO_ERR_MODE 0x0008 // stderr mode
#define JO_CALLBACK 0x0010 // channel callback
#define JO_OUT_CALLBACK 0x0020 // stdout callback
#define JO_ERR_CALLBACK 0x0040 // stderr callback
#define JO_CLOSE_CALLBACK 0x0080 // "close_cb"
#define JO_WAITTIME 0x0100 // only for ch_open()
#define JO_TIMEOUT 0x0200 // all timeouts
#define JO_OUT_TIMEOUT 0x0400 // stdout timeouts
#define JO_ERR_TIMEOUT 0x0800 // stderr timeouts
#define JO_PART 0x1000 // "part"
#define JO_ID 0x2000 // "id"
#define JO_STOPONEXIT 0x4000 // "stoponexit"
#define JO_EXIT_CB 0x8000 // "exit_cb"
#define JO_OUT_IO 0x10000 // "out_io"
#define JO_ERR_IO 0x20000 // "err_io" (JO_OUT_IO << 1)
#define JO_IN_IO 0x40000 // "in_io" (JO_OUT_IO << 2)
#define JO_OUT_NAME 0x80000 // "out_name"
#define JO_ERR_NAME 0x100000 // "err_name" (JO_OUT_NAME << 1)
#define JO_IN_NAME 0x200000 // "in_name" (JO_OUT_NAME << 2)
#define JO_IN_TOP 0x400000 // "in_top"
#define JO_IN_BOT 0x800000 // "in_bot"
#define JO_OUT_BUF 0x1000000 // "out_buf"
#define JO_ERR_BUF 0x2000000 // "err_buf" (JO_OUT_BUF << 1)
#define JO_IN_BUF 0x4000000 // "in_buf" (JO_OUT_BUF << 2)
#define JO_CHANNEL 0x8000000 // "channel"
#define JO_BLOCK_WRITE 0x10000000 // "block_write"
#define JO_OUT_MODIFIABLE 0x20000000 // "out_modifiable"
#define JO_ERR_MODIFIABLE 0x40000000 // "err_modifiable" (JO_OUT_ << 1)
#define JO_ALL 0x7fffffff
#define JO2_OUT_MSG 0x0001 // "out_msg"
#define JO2_ERR_MSG 0x0002 // "err_msg" (JO_OUT_ << 1)
#define JO2_TERM_NAME 0x0004 // "term_name"
#define JO2_TERM_FINISH 0x0008 // "term_finish"
#define JO2_ENV 0x0010 // "env"
#define JO2_CWD 0x0020 // "cwd"
#define JO2_TERM_ROWS 0x0040 // "term_rows"
#define JO2_TERM_COLS 0x0080 // "term_cols"
#define JO2_VERTICAL 0x0100 // "vertical"
#define JO2_CURWIN 0x0200 // "curwin"
#define JO2_HIDDEN 0x0400 // "hidden"
#define JO2_TERM_OPENCMD 0x0800 // "term_opencmd"
#define JO2_EOF_CHARS 0x1000 // "eof_chars"
#define JO2_NORESTORE 0x2000 // "norestore"
#define JO2_TERM_KILL 0x4000 // "term_kill"
#define JO2_ANSI_COLORS 0x8000 // "ansi_colors"
#define JO2_TTY_TYPE 0x10000 // "tty_type"
#define JO2_BUFNR 0x20000 // "bufnr"
#define JO2_TERM_API 0x40000 // "term_api"
#define JO2_TERM_HIGHLIGHT 0x80000 // "highlight"
#define JO_MODE_ALL (JO_MODE + JO_IN_MODE + JO_OUT_MODE + JO_ERR_MODE)
#define JO_CB_ALL \
(JO_CALLBACK + JO_OUT_CALLBACK + JO_ERR_CALLBACK + JO_CLOSE_CALLBACK)
#define JO_TIMEOUT_ALL (JO_TIMEOUT + JO_OUT_TIMEOUT + JO_ERR_TIMEOUT)
/*
* Options for job and channel commands.
*/
typedef struct
{
int jo_set; // JO_ bits for values that were set
int jo_set2; // JO2_ bits for values that were set
ch_mode_T jo_mode;
ch_mode_T jo_in_mode;
ch_mode_T jo_out_mode;
ch_mode_T jo_err_mode;
int jo_noblock;
job_io_T jo_io[4]; // PART_OUT, PART_ERR, PART_IN
char_u jo_io_name_buf[4][NUMBUFLEN];
char_u *jo_io_name[4]; // not allocated!
int jo_io_buf[4];
int jo_pty;
int jo_modifiable[4];
int jo_message[4];
channel_T *jo_channel;
linenr_T jo_in_top;
linenr_T jo_in_bot;
callback_T jo_callback;
callback_T jo_out_cb;
callback_T jo_err_cb;
callback_T jo_close_cb;
callback_T jo_exit_cb;
int jo_drop_never;
int jo_waittime;
int jo_timeout;
int jo_out_timeout;
int jo_err_timeout;
int jo_block_write; // for testing only
int jo_part;
int jo_id;
char_u jo_stoponexit_buf[NUMBUFLEN];
char_u *jo_stoponexit;
dict_T *jo_env; // environment variables
char_u jo_cwd_buf[NUMBUFLEN];
char_u *jo_cwd;
#ifdef FEAT_TERMINAL
// when non-zero run the job in a terminal window of this size
int jo_term_rows;
int jo_term_cols;
int jo_vertical;
int jo_curwin;
buf_T *jo_bufnr_buf;
int jo_hidden;
int jo_term_norestore;
char_u jo_term_name_buf[NUMBUFLEN];
char_u *jo_term_name;
char_u jo_term_opencmd_buf[NUMBUFLEN];
char_u *jo_term_opencmd;
int jo_term_finish;
char_u jo_eof_chars_buf[NUMBUFLEN];
char_u *jo_eof_chars;
char_u jo_term_kill_buf[NUMBUFLEN];
char_u *jo_term_kill;
# if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
long_u jo_ansi_colors[16];
# endif
char_u jo_term_highlight_buf[NUMBUFLEN];
char_u *jo_term_highlight;
int jo_tty_type; // first character of "tty_type"
char_u jo_term_api_buf[NUMBUFLEN];
char_u *jo_term_api;
#endif
} jobopt_T;
#ifdef FEAT_EVAL
/*
* Structure used for listeners added with listener_add().
*/
typedef struct listener_S listener_T;
struct listener_S
{
listener_T *lr_next;
int lr_id;
callback_T lr_callback;
};
#endif
/*
* structure used for explicit stack while garbage collecting hash tables
*/
typedef struct ht_stack_S
{
hashtab_T *ht;
struct ht_stack_S *prev;
} ht_stack_T;
/*
* structure used for explicit stack while garbage collecting lists
*/
typedef struct list_stack_S
{
list_T *list;
struct list_stack_S *prev;
} list_stack_T;
/*
* Structure used for iterating over dictionary items.
* Initialize with dict_iterate_start().
*/
typedef struct
{
long_u dit_todo;
hashitem_T *dit_hi;
} dict_iterator_T;
// values for b_syn_spell: what to do with toplevel text
#define SYNSPL_DEFAULT 0 // spell check if @Spell not defined
#define SYNSPL_TOP 1 // spell check toplevel text
#define SYNSPL_NOTOP 2 // don't spell check toplevel text
// values for b_syn_foldlevel: how to compute foldlevel on a line
#define SYNFLD_START 0 // use level of item at start of line
#define SYNFLD_MINIMUM 1 // use lowest local minimum level on line
// avoid #ifdefs for when b_spell is not available
#ifdef FEAT_SPELL
# define B_SPELL(buf) ((buf)->b_spell)
#else
# define B_SPELL(buf) (0)
#endif
typedef struct qf_info_S qf_info_T;
#ifdef FEAT_PROFILE
/*
* Used for :syntime: timing of executing a syntax pattern.
*/
typedef struct {
proftime_T total; // total time used
proftime_T slowest; // time of slowest call
long count; // nr of times used
long match; // nr of times matched
} syn_time_T;
#endif
typedef struct timer_S timer_T;
struct timer_S
{
long tr_id;
#ifdef FEAT_TIMERS
timer_T *tr_next;
timer_T *tr_prev;
proftime_T tr_due; // when the callback is to be invoked
char tr_firing; // when TRUE callback is being called
char tr_paused; // when TRUE callback is not invoked
char tr_keep; // when TRUE keep timer after it fired
int tr_repeat; // number of times to repeat, -1 forever
long tr_interval; // msec
callback_T tr_callback;
int tr_emsg_count;
#endif
};
#ifdef FEAT_CRYPT
/*
* Structure to hold the type of encryption and the state of encryption or
* decryption.
*/
typedef struct {
int method_nr;
void *method_state; // method-specific state information
} cryptstate_T;
// values for method_nr
# define CRYPT_M_ZIP 0
# define CRYPT_M_BF 1
# define CRYPT_M_BF2 2
# define CRYPT_M_SOD 3
# define CRYPT_M_SOD2 4
# define CRYPT_M_COUNT 5 // number of crypt methods
// Currently all crypt methods work inplace. If one is added that isn't then
// define this.
# define CRYPT_NOT_INPLACE 1
// Struct for passing arguments down to the crypt_init functions
typedef struct {
char_u *cat_salt;
int cat_salt_len;
char_u *cat_seed;
int cat_seed_len;
char_u *cat_add;
int cat_add_len;
int cat_init_from_file;
} crypt_arg_T;
#endif
#ifdef FEAT_PROP_POPUP
typedef enum {
POPPOS_BOTLEFT,
POPPOS_TOPLEFT,
POPPOS_BOTRIGHT,
POPPOS_TOPRIGHT,
POPPOS_CENTER,
POPPOS_BOTTOM, // bottom of popup just above the command line
POPPOS_NONE
} poppos_T;
typedef enum {
POPCLOSE_NONE,
POPCLOSE_BUTTON,
POPCLOSE_CLICK
} popclose_T;
# define POPUPWIN_DEFAULT_ZINDEX 50
# define POPUPMENU_ZINDEX 100
# define POPUPWIN_DIALOG_ZINDEX 200
# define POPUPWIN_NOTIFICATION_ZINDEX 300
#endif
/*
* These are items normally related to a buffer. But when using ":ownsyntax"
* a window may have its own instance.
*/
typedef struct {
#ifdef FEAT_SYN_HL
hashtab_T b_keywtab; // syntax keywords hash table
hashtab_T b_keywtab_ic; // idem, ignore case
int b_syn_error; // TRUE when error occurred in HL
# ifdef FEAT_RELTIME
int b_syn_slow; // TRUE when 'redrawtime' reached
# endif
int b_syn_ic; // ignore case for :syn cmds
int b_syn_foldlevel; // how to compute foldlevel on a line
int b_syn_spell; // SYNSPL_ values
garray_T b_syn_patterns; // table for syntax patterns
garray_T b_syn_clusters; // table for syntax clusters
int b_spell_cluster_id; // @Spell cluster ID or 0
int b_nospell_cluster_id; // @NoSpell cluster ID or 0
int b_syn_containedin; // TRUE when there is an item with a
// "containedin" argument
int b_syn_sync_flags; // flags about how to sync
short b_syn_sync_id; // group to sync on
long b_syn_sync_minlines; // minimal sync lines offset
long b_syn_sync_maxlines; // maximal sync lines offset
long b_syn_sync_linebreaks; // offset for multi-line pattern
char_u *b_syn_linecont_pat; // line continuation pattern
regprog_T *b_syn_linecont_prog; // line continuation program
#ifdef FEAT_PROFILE
syn_time_T b_syn_linecont_time;
#endif
int b_syn_linecont_ic; // ignore-case flag for above
int b_syn_topgrp; // for ":syntax include"
# ifdef FEAT_CONCEAL
int b_syn_conceal; // auto-conceal for :syn cmds
# endif
# ifdef FEAT_FOLDING
int b_syn_folditems; // number of patterns with the HL_FOLD
// flag set
# endif
/*
* b_sst_array[] contains the state stack for a number of lines, for the
* start of that line (col == 0). This avoids having to recompute the
* syntax state too often.
* b_sst_array[] is allocated to hold the state for all displayed lines,
* and states for 1 out of about 20 other lines.
* b_sst_array pointer to an array of synstate_T
* b_sst_len number of entries in b_sst_array[]
* b_sst_first pointer to first used entry in b_sst_array[] or NULL
* b_sst_firstfree pointer to first free entry in b_sst_array[] or NULL
* b_sst_freecount number of free entries in b_sst_array[]
* b_sst_check_lnum entries after this lnum need to be checked for
* validity (MAXLNUM means no check needed)
*/
synstate_T *b_sst_array;
int b_sst_len;
synstate_T *b_sst_first;
synstate_T *b_sst_firstfree;
int b_sst_freecount;
linenr_T b_sst_check_lnum;
short_u b_sst_lasttick; // last display tick
#endif // FEAT_SYN_HL
#ifdef FEAT_SPELL
// for spell checking
garray_T b_langp; // list of pointers to slang_T, see spell.c
char_u b_spell_ismw[256]; // flags: is midword char
char_u *b_spell_ismw_mb; // multi-byte midword chars
char_u *b_p_spc; // 'spellcapcheck'
regprog_T *b_cap_prog; // program for 'spellcapcheck'
char_u *b_p_spf; // 'spellfile'
char_u *b_p_spl; // 'spelllang'
char_u *b_p_spo; // 'spelloptions'
int b_cjk; // all CJK letters as OK
#endif
#if !defined(FEAT_SYN_HL) && !defined(FEAT_SPELL)
int dummy;
#endif
char_u b_syn_chartab[32]; // syntax iskeyword option
char_u *b_syn_isk; // iskeyword option
} synblock_T;
/*
* buffer: structure that holds information about one file
*
* Several windows can share a single Buffer
* A buffer is unallocated if there is no memfile for it.
* A buffer is new if the associated file has never been loaded yet.
*/
struct file_buffer
{
memline_T b_ml; // associated memline (also contains line
// count)
buf_T *b_next; // links in list of buffers
buf_T *b_prev;
int b_nwindows; // nr of windows open on this buffer
int b_flags; // various BF_ flags
int b_locked; // Buffer is being closed or referenced, don't
// let autocommands wipe it out.
int b_locked_split; // Buffer is being closed, don't allow opening
// a new window with it.
/*
* b_ffname has the full path of the file (NULL for no name).
* b_sfname is the name as the user typed it (or NULL).
* b_fname is the same as b_sfname, unless ":cd" has been done,
* then it is the same as b_ffname (NULL for no name).
*/
char_u *b_ffname; // full path file name, allocated
char_u *b_sfname; // short file name, allocated, may be equal to
// b_ffname
char_u *b_fname; // current file name, points to b_ffname or
// b_sfname
#ifdef UNIX
int b_dev_valid; // TRUE when b_dev has a valid number
dev_t b_dev; // device number
ino_t b_ino; // inode number
#endif
#ifdef VMS
char b_fab_rfm; // Record format
char b_fab_rat; // Record attribute
unsigned int b_fab_mrs; // Max record size
#endif
int b_fnum; // buffer number for this file.
char_u b_key[VIM_SIZEOF_INT * 2 + 1];
// key used for buf_hashtab, holds b_fnum as
// hex string
int b_changed; // 'modified': Set to TRUE if something in the
// file has been changed and not written out.
dictitem16_T b_ct_di; // holds the b:changedtick value in
// b_ct_di.di_tv.vval.v_number;
// incremented for each change, also for undo
#define CHANGEDTICK(buf) ((buf)->b_ct_di.di_tv.vval.v_number)
varnumber_T b_last_changedtick; // b:changedtick when TextChanged was
// last triggered.
varnumber_T b_last_changedtick_pum; // b:changedtick for TextChangedP
varnumber_T b_last_changedtick_i; // b:changedtick for TextChangedI
int b_saving; // Set to TRUE if we are in the middle of
// saving the buffer.
/*
* Changes to a buffer require updating of the display. To minimize the
* work, remember changes made and update everything at once.
*/
int b_mod_set; // TRUE when there are changes since the last
// time the display was updated
linenr_T b_mod_top; // topmost lnum that was changed
linenr_T b_mod_bot; // lnum below last changed line, AFTER the
// change
long b_mod_xlines; // number of extra buffer lines inserted;
// negative when lines were deleted
wininfo_T *b_wininfo; // list of last used info for each window
long b_mtime; // last change time of original file
long b_mtime_ns; // nanoseconds of last change time
long b_mtime_read; // last change time when reading
long b_mtime_read_ns; // nanoseconds of last read time
off_T b_orig_size; // size of original file in bytes
int b_orig_mode; // mode of original file
#ifdef FEAT_VIMINFO
time_T b_last_used; // time when the buffer was last used; used
// for viminfo
#endif
pos_T b_namedm[NMARKS]; // current named marks (mark.c)
// These variables are set when VIsual_active becomes FALSE
visualinfo_T b_visual;
#ifdef FEAT_EVAL
int b_visual_mode_eval; // b_visual.vi_mode for visualmode()
#endif
pos_T b_last_cursor; // cursor position when last unloading this
// buffer
pos_T b_last_insert; // where Insert mode was left
pos_T b_last_change; // position of last change: '. mark
/*
* the changelist contains old change positions
*/
pos_T b_changelist[JUMPLISTSIZE];
int b_changelistlen; // number of active entries
int b_new_change; // set by u_savecommon()
/*
* Character table, only used in charset.c for 'iskeyword'
* 32 bytes of 8 bits: 1 bit per character 0-255.
*/
char_u b_chartab[32];
// Table used for mappings local to a buffer.
mapblock_T *(b_maphash[256]);
// First abbreviation local to a buffer.
mapblock_T *b_first_abbr;
// User commands local to the buffer.
garray_T b_ucmds;
// start and end of an operator, also used for '[ and ']
pos_T b_op_start;
pos_T b_op_start_orig; // used for Insstart_orig
pos_T b_op_end;
#ifdef FEAT_VIMINFO
int b_marks_read; // Have we read viminfo marks yet?
#endif
int b_modified_was_set; // did ":set modified"
int b_did_filetype; // FileType event found
int b_keep_filetype; // value for did_filetype when starting
// to execute autocommands
// Set by the apply_autocmds_group function if the given event is equal to
// EVENT_FILETYPE. Used by the readfile function in order to determine if
// EVENT_BUFREADPOST triggered the EVENT_FILETYPE.
//
// Relying on this value requires one to reset it prior calling
// apply_autocmds_group().
int b_au_did_filetype;
/*
* The following only used in undo.c.
*/
u_header_T *b_u_oldhead; // pointer to oldest header
u_header_T *b_u_newhead; // pointer to newest header; may not be valid
// if b_u_curhead is not NULL
u_header_T *b_u_curhead; // pointer to current header
int b_u_numhead; // current number of headers
int b_u_synced; // entry lists are synced
long b_u_seq_last; // last used undo sequence number
long b_u_save_nr_last; // counter for last file write
long b_u_seq_cur; // uh_seq of header below which we are now
time_T b_u_time_cur; // uh_time of header below which we are now
long b_u_save_nr_cur; // file write nr after which we are now
/*
* variables for "U" command in undo.c
*/
undoline_T b_u_line_ptr; // saved line for "U" command
linenr_T b_u_line_lnum; // line number of line in u_line
colnr_T b_u_line_colnr; // optional column number
int b_scanned; // ^N/^P have scanned this buffer
// flags for use of ":lmap" and IM control
long b_p_iminsert; // input mode for insert
long b_p_imsearch; // input mode for search
#define B_IMODE_USE_INSERT (-1) // Use b_p_iminsert value for search
#define B_IMODE_NONE 0 // Input via none
#define B_IMODE_LMAP 1 // Input via langmap
#define B_IMODE_IM 2 // Input via input method
#define B_IMODE_LAST 2
#ifdef FEAT_KEYMAP
short b_kmap_state; // using "lmap" mappings
# define KEYMAP_INIT 1 // 'keymap' was set, call keymap_init()
# define KEYMAP_LOADED 2 // 'keymap' mappings have been loaded
garray_T b_kmap_ga; // the keymap table
#endif
/*
* Options local to a buffer.
* They are here because their value depends on the type of file
* or contents of the file being edited.
*/
int b_p_initialized; // set when options initialized
#ifdef FEAT_EVAL
sctx_T b_p_script_ctx[BV_COUNT]; // SCTXs for buffer-local options
#endif
int b_p_ai; // 'autoindent'
int b_p_ai_nopaste; // b_p_ai saved for paste mode
char_u *b_p_bkc; // 'backupcopy'
unsigned b_bkc_flags; // flags for 'backupcopy'
int b_p_ci; // 'copyindent'
int b_p_bin; // 'binary'
int b_p_bomb; // 'bomb'
char_u *b_p_bh; // 'bufhidden'
char_u *b_p_bt; // 'buftype'
#ifdef FEAT_QUICKFIX
#define BUF_HAS_QF_ENTRY 1
#define BUF_HAS_LL_ENTRY 2
int b_has_qf_entry;
#endif
int b_p_bl; // 'buflisted'
int b_p_cin; // 'cindent'
char_u *b_p_cino; // 'cinoptions'
char_u *b_p_cink; // 'cinkeys'
char_u *b_p_cinsd; // 'cinscopedecls'
char_u *b_p_cinw; // 'cinwords'
char_u *b_p_com; // 'comments'
#ifdef FEAT_FOLDING
char_u *b_p_cms; // 'commentstring'
#endif
char_u *b_p_cot; // 'completeopt' local value
unsigned b_cot_flags; // flags for 'completeopt'
char_u *b_p_cpt; // 'complete'
#ifdef BACKSLASH_IN_FILENAME
char_u *b_p_csl; // 'completeslash'
#endif
#ifdef FEAT_COMPL_FUNC
char_u *b_p_cfu; // 'completefunc'
callback_T b_cfu_cb; // 'completefunc' callback
char_u *b_p_ofu; // 'omnifunc'
callback_T b_ofu_cb; // 'omnifunc' callback
#endif
#ifdef FEAT_EVAL
char_u *b_p_tfu; // 'tagfunc' option value
callback_T b_tfu_cb; // 'tagfunc' callback
char_u *b_p_ffu; // 'findfunc' option value
callback_T b_ffu_cb; // 'findfunc' callback
#endif
int b_p_eof; // 'endoffile'
int b_p_eol; // 'endofline'
int b_p_fixeol; // 'fixendofline'
int b_p_et; // 'expandtab'
int b_p_et_nobin; // b_p_et saved for binary mode
int b_p_et_nopaste; // b_p_et saved for paste mode
char_u *b_p_fenc; // 'fileencoding'
char_u *b_p_ff; // 'fileformat'
char_u *b_p_ft; // 'filetype'
char_u *b_p_fo; // 'formatoptions'
char_u *b_p_flp; // 'formatlistpat'
int b_p_inf; // 'infercase'
char_u *b_p_isk; // 'iskeyword'
#ifdef FEAT_FIND_ID
char_u *b_p_def; // 'define' local value
char_u *b_p_inc; // 'include'
# ifdef FEAT_EVAL
char_u *b_p_inex; // 'includeexpr'
long_u b_p_inex_flags; // flags for 'includeexpr'
# endif
#endif
#if defined(FEAT_EVAL)
char_u *b_p_inde; // 'indentexpr'
long_u b_p_inde_flags; // flags for 'indentexpr'
char_u *b_p_indk; // 'indentkeys'
#endif
char_u *b_p_fp; // 'formatprg'
#if defined(FEAT_EVAL)
char_u *b_p_fex; // 'formatexpr'
long_u b_p_fex_flags; // flags for 'formatexpr'
#endif
#ifdef FEAT_CRYPT
char_u *b_p_key; // 'key'
#endif
char_u *b_p_kp; // 'keywordprg'
int b_p_lisp; // 'lisp'
char_u *b_p_lop; // 'lispoptions'
char_u *b_p_menc; // 'makeencoding'
char_u *b_p_mps; // 'matchpairs'
int b_p_ml; // 'modeline'
int b_p_ml_nobin; // b_p_ml saved for binary mode
int b_p_ma; // 'modifiable'
char_u *b_p_nf; // 'nrformats'
int b_p_pi; // 'preserveindent'
char_u *b_p_qe; // 'quoteescape'
int b_p_ro; // 'readonly'
long b_p_sw; // 'shiftwidth'
int b_p_sn; // 'shortname'
int b_p_si; // 'smartindent'
long b_p_sts; // 'softtabstop'
long b_p_sts_nopaste; // b_p_sts saved for paste mode
char_u *b_p_sua; // 'suffixesadd'
int b_p_swf; // 'swapfile'
#ifdef FEAT_SYN_HL
long b_p_smc; // 'synmaxcol'
char_u *b_p_syn; // 'syntax'
#endif
long b_p_ts; // 'tabstop'
int b_p_tx; // 'textmode'
long b_p_tw; // 'textwidth'
long b_p_tw_nobin; // b_p_tw saved for binary mode
long b_p_tw_nopaste; // b_p_tw saved for paste mode
long b_p_wm; // 'wrapmargin'
long b_p_wm_nobin; // b_p_wm saved for binary mode
long b_p_wm_nopaste; // b_p_wm saved for paste mode
#ifdef FEAT_VARTABS
char_u *b_p_vsts; // 'varsofttabstop'
int *b_p_vsts_array; // 'varsofttabstop' in internal format
char_u *b_p_vsts_nopaste; // b_p_vsts saved for paste mode
char_u *b_p_vts; // 'vartabstop'
int *b_p_vts_array; // 'vartabstop' in internal format
#endif
#ifdef FEAT_KEYMAP
char_u *b_p_keymap; // 'keymap'
#endif
/*
* local values for options which are normally global
*/
#ifdef FEAT_QUICKFIX
char_u *b_p_gp; // 'grepprg' local value
char_u *b_p_mp; // 'makeprg' local value
char_u *b_p_efm; // 'errorformat' local value
#endif
char_u *b_p_ep; // 'equalprg' local value
char_u *b_p_path; // 'path' local value
int b_p_ar; // 'autoread' local value
char_u *b_p_tags; // 'tags' local value
char_u *b_p_tc; // 'tagcase' local value
unsigned b_tc_flags; // flags for 'tagcase'
char_u *b_p_dict; // 'dictionary' local value
char_u *b_p_tsr; // 'thesaurus' local value
#ifdef FEAT_COMPL_FUNC
char_u *b_p_tsrfu; // 'thesaurusfunc' local value
callback_T b_tsrfu_cb; // 'thesaurusfunc' callback
#endif
long b_p_ul; // 'undolevels' local value
#ifdef FEAT_PERSISTENT_UNDO
int b_p_udf; // 'undofile'
#endif
char_u *b_p_lw; // 'lispwords' local value
#ifdef FEAT_TERMINAL
long b_p_twsl; // 'termwinscroll'
#endif
/*
* end of buffer options
*/
// values set from b_p_cino
int b_ind_level;
int b_ind_open_imag;
int b_ind_no_brace;
int b_ind_first_open;
int b_ind_open_extra;
int b_ind_close_extra;
int b_ind_open_left_imag;
int b_ind_jump_label;
int b_ind_case;
int b_ind_case_code;
int b_ind_case_break;
int b_ind_param;
int b_ind_func_type;
int b_ind_comment;
int b_ind_in_comment;
int b_ind_in_comment2;
int b_ind_cpp_baseclass;
int b_ind_continuation;
int b_ind_unclosed;
int b_ind_unclosed2;
int b_ind_unclosed_noignore;
int b_ind_unclosed_wrapped;
int b_ind_unclosed_whiteok;
int b_ind_matching_paren;
int b_ind_paren_prev;
int b_ind_maxparen;
int b_ind_maxcomment;
int b_ind_scopedecl;
int b_ind_scopedecl_code;
int b_ind_java;
int b_ind_js;
int b_ind_keep_case_label;
int b_ind_hash_comment;
int b_ind_cpp_namespace;
int b_ind_if_for_while;
int b_ind_cpp_extern_c;
int b_ind_pragma;
linenr_T b_no_eol_lnum; // non-zero lnum when last line of next binary
// write should not have an end-of-line
int b_start_eof; // last line had eof (CTRL-Z) when it was read
int b_start_eol; // last line had eol when it was read
int b_start_ffc; // first char of 'ff' when edit started
char_u *b_start_fenc; // 'fileencoding' when edit started or NULL
int b_bad_char; // "++bad=" argument when edit started or 0
int b_start_bomb; // 'bomb' when it was read
#ifdef FEAT_EVAL
dictitem_T b_bufvar; // variable for "b:" Dictionary
dict_T *b_vars; // internal variables, local to buffer
listener_T *b_listener;
list_T *b_recorded_changes;
#endif
#ifdef FEAT_PROP_POPUP
int b_has_textprop; // TRUE when text props were added
hashtab_T *b_proptypes; // text property types local to buffer
proptype_T **b_proparray; // entries of b_proptypes sorted on tp_id
garray_T b_textprop_text; // stores text for props, index by (-id - 1)
#endif
#if defined(FEAT_BEVAL) && defined(FEAT_EVAL)
char_u *b_p_bexpr; // 'balloonexpr' local value
long_u b_p_bexpr_flags;// flags for 'balloonexpr'
#endif
#ifdef FEAT_CRYPT
char_u *b_p_cm; // 'cryptmethod'
#endif
// When a buffer is created, it starts without a swap file. b_may_swap is
// then set to indicate that a swap file may be opened later. It is reset
// if a swap file could not be opened.
int b_may_swap;
int b_did_warn; // Set to 1 if user has been warned on first
// change of a read-only file
// Two special kinds of buffers:
// help buffer - used for help files, won't use a swap file.
// spell buffer - used for spell info, never displayed and doesn't have a
// file name.
int b_help; // TRUE for help file buffer (when set b_p_bt
// is "help")
#ifdef FEAT_SPELL
int b_spell; // TRUE for a spell file buffer, most fields
// are not used! Use the B_SPELL macro to
// access b_spell without #ifdef.
#endif
int b_shortname; // this file has an 8.3 file name
#ifdef FEAT_JOB_CHANNEL
char_u *b_prompt_text; // set by prompt_setprompt()
callback_T b_prompt_callback; // set by prompt_setcallback()
callback_T b_prompt_interrupt; // set by prompt_setinterrupt()
int b_prompt_insert; // value for restart_edit when entering
// a prompt buffer window.
#endif
#ifdef FEAT_MZSCHEME
void *b_mzscheme_ref; // The MzScheme reference to this buffer
#endif
#ifdef FEAT_PERL
void *b_perl_private;
#endif
#ifdef FEAT_PYTHON
void *b_python_ref; // The Python reference to this buffer
#endif
#ifdef FEAT_PYTHON3
void *b_python3_ref; // The Python3 reference to this buffer
#endif
#ifdef FEAT_TCL
void *b_tcl_ref;
#endif
#ifdef FEAT_RUBY
void *b_ruby_ref;
#endif
#if defined(FEAT_SYN_HL) || defined(FEAT_SPELL)
synblock_T b_s; // Info related to syntax highlighting. w_s
// normally points to this, but some windows
// may use a different synblock_T.
#endif
#ifdef FEAT_SIGNS
sign_entry_T *b_signlist; // list of placed signs
# ifdef FEAT_NETBEANS_INTG
int b_has_sign_column; // Flag that is set when a first sign is
// added and remains set until the end of
// the netbeans session.
# endif
#endif
#ifdef FEAT_NETBEANS_INTG
int b_netbeans_file; // TRUE when buffer is owned by NetBeans
int b_was_netbeans_file;// TRUE if b_netbeans_file was once set
#endif
#ifdef FEAT_JOB_CHANNEL
int b_write_to_channel; // TRUE when appended lines are written to
// a channel.
#endif
#ifdef FEAT_CRYPT
cryptstate_T *b_cryptstate; // Encryption state while reading or writing
// the file. NULL when not using encryption.
#endif
int b_mapped_ctrl_c; // modes where CTRL-C is mapped
#ifdef FEAT_TERMINAL
term_T *b_term; // When not NULL this buffer is for a terminal
// window.
#endif
#ifdef FEAT_DIFF
int b_diff_failed; // internal diff failed for this buffer
#endif
}; // file_buffer
#ifdef FEAT_DIFF
/*
* Stuff for diff mode.
*/
# define DB_COUNT 8 // up to eight buffers can be diff'ed
/*
* Each diffblock defines where a block of lines starts in each of the buffers
* and how many lines it occupies in that buffer. When the lines are missing
* in the buffer the df_count[] is zero. This is all counted in
* buffer lines.
* There is always at least one unchanged line in between the diffs.
* Otherwise it would have been included in the diff above or below it.
* df_lnum[] + df_count[] is the lnum below the change. When in one buffer
* lines have been inserted, in the other buffer df_lnum[] is the line below
* the insertion and df_count[] is zero. When appending lines at the end of
* the buffer, df_lnum[] is one beyond the end!
* This is using a linked list, because the number of differences is expected
* to be reasonable small. The list is sorted on lnum.
*/
typedef struct diffblock_S diff_T;
struct diffblock_S
{
diff_T *df_next;
linenr_T df_lnum[DB_COUNT]; // line number in buffer
linenr_T df_count[DB_COUNT]; // nr of inserted/changed lines
};
#endif
#define SNAP_HELP_IDX 0
#define SNAP_AUCMD_IDX 1
#define SNAP_COUNT 2
/*
* Tab pages point to the top frame of each tab page.
* Note: Most values are NOT valid for the current tab page! Use "curwin",
* "firstwin", etc. for that. "tp_topframe" is always valid and can be
* compared against "topframe" to find the current tab page.
*/
typedef struct tabpage_S tabpage_T;
struct tabpage_S
{
tabpage_T *tp_next; // next tabpage or NULL
frame_T *tp_topframe; // topframe for the windows
win_T *tp_curwin; // current window in this Tab page
win_T *tp_prevwin; // previous window in this Tab page
win_T *tp_firstwin; // first window in this Tab page
win_T *tp_lastwin; // last window in this Tab page
#ifdef FEAT_PROP_POPUP
win_T *tp_first_popupwin; // first popup window in this Tab page
#endif
long tp_old_Rows; // Rows when Tab page was left
long tp_old_Columns; // Columns when Tab page was left, -1 when
// calling shell_new_columns() postponed
long tp_ch_used; // value of 'cmdheight' when frame size
// was set
#ifdef FEAT_GUI
int tp_prev_which_scrollbars[3];
// previous value of which_scrollbars
#endif
char_u *tp_localdir; // absolute path of local directory or
// NULL
char_u *tp_prevdir; // previous directory
#ifdef FEAT_DIFF
diff_T *tp_first_diff;
buf_T *(tp_diffbuf[DB_COUNT]);
int tp_diff_invalid; // list of diffs is outdated
int tp_diff_update; // update diffs before redrawing
#endif
frame_T *(tp_snapshot[SNAP_COUNT]); // window layout snapshots
#ifdef FEAT_EVAL
dictitem_T tp_winvar; // variable for "t:" Dictionary
dict_T *tp_vars; // internal variables, local to tab page
#endif
#ifdef FEAT_PYTHON
void *tp_python_ref; // The Python value for this tab page
#endif
#ifdef FEAT_PYTHON3
void *tp_python3_ref; // The Python value for this tab page
#endif
};
/*
* Structure to cache info for displayed lines in w_lines[].
* Each logical line has one entry.
* The entry tells how the logical line is currently displayed in the window.
* This is updated when displaying the window.
* When the display is changed (e.g., when clearing the screen) w_lines_valid
* is changed to exclude invalid entries.
* When making changes to the buffer, wl_valid is reset to indicate wl_size
* may not reflect what is actually in the buffer. When wl_valid is FALSE,
* the entries can only be used to count the number of displayed lines used.
* wl_lnum and wl_lastlnum are invalid too.
*/
typedef struct w_line
{
linenr_T wl_lnum; // buffer line number for logical line
short_u wl_size; // height in screen lines
char wl_valid; // TRUE values are valid for text in buffer
#ifdef FEAT_FOLDING
char wl_folded; // TRUE when this is a range of folded lines
linenr_T wl_lastlnum; // last buffer line number for logical line
#endif
} wline_T;
/*
* Windows are kept in a tree of frames. Each frame has a column (FR_COL)
* or row (FR_ROW) layout or is a leaf, which has a window.
*/
struct frame_S
{
char fr_layout; // FR_LEAF, FR_COL or FR_ROW
int fr_width;
int fr_newwidth; // new width used in win_equal_rec()
int fr_height;
int fr_newheight; // new height used in win_equal_rec()
frame_T *fr_parent; // containing frame or NULL
frame_T *fr_next; // frame right or below in same parent, NULL
// for last
frame_T *fr_prev; // frame left or above in same parent, NULL
// for first
// fr_child and fr_win are mutually exclusive
frame_T *fr_child; // first contained frame
win_T *fr_win; // window that fills this frame; for a snapshot
// set to the current window
};
#define FR_LEAF 0 // frame is a leaf
#define FR_ROW 1 // frame with a row of windows
#define FR_COL 2 // frame with a column of windows
/*
* Struct used for highlighting 'hlsearch' matches, matches defined by
* ":match" and matches defined by match functions.
* For 'hlsearch' there is one pattern for all windows. For ":match" and the
* match functions there is a different pattern for each window.
*/
typedef struct
{
regmmatch_T rm; // points to the regexp program; contains last
// found match (may continue in next line)
buf_T *buf; // the buffer to search for a match
linenr_T lnum; // the line to search for a match
int attr; // attributes to be used for a match
int attr_cur; // attributes currently active in win_line()
linenr_T first_lnum; // first lnum to search for multi-line pat
colnr_T startcol; // in win_line() points to char where HL starts
colnr_T endcol; // in win_line() points to char where HL ends
char is_addpos; // position specified directly by
// matchaddpos(). TRUE/FALSE
char has_cursor; // TRUE if the cursor is inside the match, used for
// CurSearch
} match_T;
/*
* Same as lpos_T, but with additional field len.
*/
typedef struct
{
linenr_T lnum; // line number
colnr_T col; // column number
int len; // length: 0 - to the end of line
} llpos_T;
/*
* matchitem_T provides a linked list for storing match items for ":match",
* matchadd() and matchaddpos().
*/
typedef struct matchitem matchitem_T;
struct matchitem
{
matchitem_T *mit_next;
int mit_id; // match ID
int mit_priority; // match priority
// Either a pattern is defined (mit_pattern is not NUL) or a list of
// positions is given (mit_pos is not NULL and mit_pos_count > 0).
char_u *mit_pattern; // pattern to highlight
regmmatch_T mit_match; // regexp program for pattern
llpos_T *mit_pos_array; // array of positions
int mit_pos_count; // nr of entries in mit_pos
int mit_pos_cur; // internal position counter
linenr_T mit_toplnum; // top buffer line
linenr_T mit_botlnum; // bottom buffer line
match_T mit_hl; // struct for doing the actual highlighting
int mit_hlg_id; // highlight group ID
#ifdef FEAT_CONCEAL
int mit_conceal_char; // cchar for Conceal highlighting
#endif
};
// Structure to store last cursor position and topline. Used by check_lnums()
// and reset_lnums().
typedef struct
{
int w_topline_save; // original topline value
int w_topline_corr; // corrected topline value
pos_T w_cursor_save; // original cursor position
pos_T w_cursor_corr; // corrected cursor position
} pos_save_T;
#ifdef FEAT_MENU
typedef struct {
int wb_startcol;
int wb_endcol;
vimmenu_T *wb_menu;
} winbar_item_T;
#endif
/*
* Characters from the 'listchars' option
*/
typedef struct
{
int eol;
int ext;
int prec;
int nbsp;
int space;
int tab1;
int tab2;
int tab3;
int trail;
int lead;
int *multispace;
int *leadmultispace;
#ifdef FEAT_CONCEAL
int conceal;
#endif
} lcs_chars_T;
/*
* Characters from the 'fillchars' option
*/
typedef struct
{
int stl;
int stlnc;
int vert;
int fold;
int foldopen;
int foldclosed;
int foldsep;
int diff;
int eob;
int lastline;
} fill_chars_T;
/*
* Structure which contains all information that belongs to a window
*
* All row numbers are relative to the start of the window, except w_winrow.
*/
struct window_S
{
int w_id; // unique window ID
buf_T *w_buffer; // buffer we are a window into
win_T *w_prev; // link to previous window
win_T *w_next; // link to next window
#if defined(FEAT_SYN_HL) || defined(FEAT_SPELL)
synblock_T *w_s; // for :ownsyntax
#endif
int w_locked; // don't let autocommands close the window
frame_T *w_frame; // frame containing this window
pos_T w_cursor; // cursor position in buffer
colnr_T w_curswant; // The column we'd like to be at. This is
// used to try to stay in the same column
// for up/down cursor motions.
int w_set_curswant; // If set, then update w_curswant the next
// time through cursupdate() to the
// current virtual column
#ifdef FEAT_SYN_HL
linenr_T w_last_cursorline; // where last time 'cursorline' was drawn
#endif
/*
* the next seven are used to update the Visual highlighting
*/
char w_old_visual_mode; // last known VIsual_mode
linenr_T w_old_cursor_lnum; // last known end of visual part
colnr_T w_old_cursor_fcol; // first column for block visual part
colnr_T w_old_cursor_lcol; // last column for block visual part
linenr_T w_old_visual_lnum; // last known start of visual part
colnr_T w_old_visual_col; // last known start of visual part
colnr_T w_old_curswant; // last known value of Curswant
linenr_T w_last_cursor_lnum_rnu; // cursor lnum when 'rnu' was last
// redrawn
lcs_chars_T w_lcs_chars; // 'listchars' characters
fill_chars_T w_fill_chars; // 'fillchars' characters
/*
* "w_topline", "w_leftcol" and "w_skipcol" specify the offsets for
* displaying the buffer.
*/
linenr_T w_topline; // buffer line number of the line at the
// top of the window
char w_topline_was_set; // flag set to TRUE when topline is set,
// e.g. by winrestview()
linenr_T w_botline; // number of the line below the bottom of
// the window
#ifdef FEAT_DIFF
int w_topfill; // number of filler lines above w_topline
int w_old_topfill; // w_topfill at last redraw
int w_botfill; // TRUE when filler lines are actually
// below w_topline (at end of file)
int w_old_botfill; // w_botfill at last redraw
#endif
colnr_T w_leftcol; // screen column number of the left most
// character in the window; used when
// 'wrap' is off
colnr_T w_skipcol; // starting screen column for the first
// line in the window; used when 'wrap' is
// on; does not include win_col_off()
int w_empty_rows; // number of ~ rows in window
#ifdef FEAT_DIFF
int w_filler_rows; // number of filler rows at the end of the
// window
#endif
// six fields that are only used when there is a WinScrolled autocommand
linenr_T w_last_topline; // last known value for w_topline
#ifdef FEAT_DIFF
int w_last_topfill; // last known value for w_topfill
#endif
colnr_T w_last_leftcol; // last known value for w_leftcol
colnr_T w_last_skipcol; // last known value for w_skipcol
int w_last_width; // last known value for w_width
int w_last_height; // last known value for w_height
/*
* Layout of the window in the screen.
* May need to add "msg_scrolled" to "w_winrow" in rare situations.
*/
int w_winrow; // first row of window in screen
int w_height; // number of rows in window, excluding
// status/command/winbar line(s)
int w_prev_winrow; // previous winrow used for 'splitkeep'
int w_prev_height; // previous height used for 'splitkeep'
int w_status_height; // number of status lines (0 or 1)
int w_wincol; // Leftmost column of window in screen.
int w_width; // Width of window, excluding separation.
int w_vsep_width; // Number of separator columns (0 or 1).
pos_save_T w_save_cursor; // backup of cursor pos and topline
int w_do_win_fix_cursor;// if TRUE cursor may be invalid
#ifdef FEAT_PROP_POPUP
int w_popup_flags; // POPF_ values
int w_popup_handled; // POPUP_HANDLE[0-9] flags
char_u *w_popup_title;
poppos_T w_popup_pos;
int w_popup_fixed; // do not shift popup to fit on screen
int w_popup_prop_type; // when not zero: textprop type ID
win_T *w_popup_prop_win; // window to search for textprop
int w_popup_prop_id; // when not zero: textprop ID
int w_zindex;
int w_minheight; // "minheight" for popup window
int w_minwidth; // "minwidth" for popup window
int w_maxheight; // "maxheight" for popup window
int w_maxwidth; // "maxwidth" for popup window
int w_maxwidth_opt; // maxwidth from option
int w_wantline; // "line" for popup window
int w_wantcol; // "col" for popup window
int w_firstline; // "firstline" for popup window
int w_want_scrollbar; // when zero don't use a scrollbar
int w_has_scrollbar; // 1 if scrollbar displayed, 0 otherwise
char_u *w_scrollbar_highlight; // "scrollbarhighlight"
char_u *w_thumb_highlight; // "thumbhighlight"
int w_popup_padding[4]; // popup padding top/right/bot/left
int w_popup_border[4]; // popup border top/right/bot/left
char_u *w_border_highlight[4]; // popup border highlight
int w_border_char[8]; // popup border characters
int w_popup_leftoff; // columns left of the screen
int w_popup_rightoff; // columns right of the screen
varnumber_T w_popup_last_changedtick; // b:changedtick of popup buffer
// when position was computed
varnumber_T w_popup_prop_changedtick; // b:changedtick of buffer with
// w_popup_prop_type when position
// was computed
int w_popup_prop_topline; // w_topline of window with
// w_popup_prop_type when position was
// computed
linenr_T w_popup_last_curline; // last known w_cursor.lnum of window
// with "cursorline" set
callback_T w_close_cb; // popup close callback
callback_T w_filter_cb; // popup filter callback
int w_filter_errors; // popup filter error count
int w_filter_mode; // mode when filter callback is used
win_T *w_popup_curwin; // close popup if curwin differs
linenr_T w_popup_lnum; // close popup if cursor not on this line
colnr_T w_popup_mincol; // close popup if cursor before this col
colnr_T w_popup_maxcol; // close popup if cursor after this col
int w_popup_mouse_row; // close popup if mouse moves away
int w_popup_mouse_mincol; // close popup if mouse moves away
int w_popup_mouse_maxcol; // close popup if mouse moves away
popclose_T w_popup_close; // allow closing the popup with the mouse
list_T *w_popup_mask; // list of lists for "mask"
char_u *w_popup_mask_cells; // cached mask cells
int w_popup_mask_height; // height of w_popup_mask_cells
int w_popup_mask_width; // width of w_popup_mask_cells
# if defined(FEAT_TIMERS)
timer_T *w_popup_timer; // timer for closing popup window
# endif
int w_flags; // WFLAG_ flags
# define WFLAG_WCOL_OFF_ADDED 1 // popup border and padding were added to
// w_wcol
# define WFLAG_WROW_OFF_ADDED 2 // popup border and padding were added to
// w_wrow
#endif
/*
* === start of cached values ====
*/
/*
* Recomputing is minimized by storing the result of computations.
* Use functions in screen.c to check if they are valid and to update.
* w_valid is a bitfield of flags, which indicate if specific values are
* valid or need to be recomputed. See screen.c for values.
*/
int w_valid;
pos_T w_valid_cursor; // last known position of w_cursor, used
// to adjust w_valid
colnr_T w_valid_leftcol; // last known w_leftcol
colnr_T w_valid_skipcol; // last known w_skipcol
/*
* w_cline_height is the number of physical lines taken by the buffer line
* that the cursor is on. We use this to avoid extra calls to plines().
*/
int w_cline_height; // current size of cursor line
#ifdef FEAT_FOLDING
int w_cline_folded; // cursor line is folded
#endif
int w_cline_row; // starting row of the cursor line
colnr_T w_virtcol; // column number of the cursor in the
// buffer line, as opposed to the column
// number we're at on the screen. This
// makes a difference on lines which span
// more than one screen line or when
// w_leftcol is non-zero
#ifdef FEAT_PROP_POPUP
colnr_T w_virtcol_first_char; // offset for w_virtcol when there are
// virtual text properties above the
// line
#endif
/*
* w_wrow and w_wcol specify the cursor position in the window.
* This is related to positions in the window, not in the display or
* buffer, thus w_wrow is relative to w_winrow.
*/
int w_wrow, w_wcol; // cursor position in window
/*
* Info about the lines currently in the window is remembered to avoid
* recomputing it every time. The allocated size of w_lines[] is Rows.
* Only the w_lines_valid entries are actually valid.
* When the display is up-to-date w_lines[0].wl_lnum is equal to w_topline
* and w_lines[w_lines_valid - 1].wl_lnum is equal to w_botline.
* Between changing text and updating the display w_lines[] represents
* what is currently displayed. wl_valid is reset to indicated this.
* This is used for efficient redrawing.
*/
int w_lines_valid; // number of valid entries
wline_T *w_lines;
#ifdef FEAT_FOLDING
garray_T w_folds; // array of nested folds
char w_fold_manual; // when TRUE: some folds are opened/closed
// manually
char w_foldinvalid; // when TRUE: folding needs to be
// recomputed
#endif
#ifdef FEAT_LINEBREAK
int w_nrwidth; // width of 'number' and 'relativenumber'
// column being used
#endif
#ifdef FEAT_TERMINAL
termcellcolor_T w_term_wincolor; // cache for term color of 'wincolor'
#endif
/*
* === end of cached values ===
*/
int w_redr_type; // type of redraw to be performed on win
int w_upd_rows; // number of window lines to update when
// w_redr_type is UPD_REDRAW_TOP
linenr_T w_redraw_top; // when != 0: first line needing redraw
linenr_T w_redraw_bot; // when != 0: last line needing redraw
int w_redr_status; // if TRUE status line must be redrawn
// remember what is shown in the ruler for this window (if 'ruler' set)
pos_T w_ru_cursor; // cursor position shown in ruler
colnr_T w_ru_virtcol; // virtcol shown in ruler
linenr_T w_ru_topline; // topline shown in ruler
linenr_T w_ru_line_count; // line count used for ruler
#ifdef FEAT_DIFF
int w_ru_topfill; // topfill shown in ruler
#endif
char w_ru_empty; // TRUE if ruler shows 0-1 (empty line)
int w_alt_fnum; // alternate file (for # and CTRL-^)
alist_T *w_alist; // pointer to arglist for this window
int w_arg_idx; // current index in argument list (can be
// out of range!)
int w_arg_idx_invalid; // editing another file than w_arg_idx
char_u *w_localdir; // absolute path of local directory or
// NULL
char_u *w_prevdir; // previous directory
#ifdef FEAT_MENU
vimmenu_T *w_winbar; // The root of the WinBar menu hierarchy.
winbar_item_T *w_winbar_items; // list of items in the WinBar
int w_winbar_height; // 1 if there is a window toolbar
#endif
/*
* Options local to a window.
* They are local because they influence the layout of the window or
* depend on the window layout.
* There are two values: w_onebuf_opt is local to the buffer currently in
* this window, w_allbuf_opt is for all buffers in this window.
*/
winopt_T w_onebuf_opt;
winopt_T w_allbuf_opt;
// transform a pointer to a "onebuf" option into a "allbuf" option
#define GLOBAL_WO(p) ((char *)(p) + sizeof(winopt_T))
// A few options have local flags for P_INSECURE.
#ifdef FEAT_STL_OPT
long_u w_p_stl_flags; // flags for 'statusline'
#endif
#ifdef FEAT_EVAL
long_u w_p_fde_flags; // flags for 'foldexpr'
long_u w_p_fdt_flags; // flags for 'foldtext'
#endif
#if defined(FEAT_SIGNS) || defined(FEAT_FOLDING) || defined(FEAT_DIFF)
int *w_p_cc_cols; // array of columns to highlight or NULL
char_u w_p_culopt_flags; // flags for cursorline highlighting
#endif
#ifdef FEAT_LINEBREAK
int w_briopt_min; // minimum width for breakindent
int w_briopt_shift; // additional shift for breakindent
int w_briopt_sbr; // sbr in 'briopt'
int w_briopt_list; // additional indent for lists
int w_briopt_vcol; // indent for specific column
#endif
long w_scbind_pos;
#ifdef FEAT_EVAL
dictitem_T w_winvar; // variable for "w:" Dictionary
dict_T *w_vars; // internal variables, local to window
#endif
/*
* The w_prev_pcmark field is used to check whether we really did jump to
* a new line after setting the w_pcmark. If not, then we revert to
* using the previous w_pcmark.
*/
pos_T w_pcmark; // previous context mark
pos_T w_prev_pcmark; // previous w_pcmark
/*
* the jumplist contains old cursor positions
*/
xfmark_T w_jumplist[JUMPLISTSIZE];
int w_jumplistlen; // number of active entries
int w_jumplistidx; // current position
int w_changelistidx; // current position in b_changelist
#ifdef FEAT_SEARCH_EXTRA
matchitem_T *w_match_head; // head of match list
int w_next_match_id; // next match ID
#endif
/*
* the tagstack grows from 0 upwards:
* entry 0: older
* entry 1: newer
* entry 2: newest
*/
taggy_T w_tagstack[TAGSTACKSIZE]; // the tag stack
int w_tagstackidx; // idx just below active entry
int w_tagstacklen; // number of tags on stack
/*
* w_fraction is the fractional row of the cursor within the window, from
* 0 at the top row to FRACTION_MULT at the last row.
* w_prev_fraction_row was the actual cursor row when w_fraction was last
* calculated.
*/
int w_fraction;
int w_prev_fraction_row;
#ifdef FEAT_GUI
scrollbar_T w_scrollbars[2]; // vert. Scrollbars for this window
#endif
#ifdef FEAT_LINEBREAK
linenr_T w_nrwidth_line_count; // line count when ml_nrwidth_width
// was computed.
long w_nuw_cached; // 'numberwidth' option cached
int w_nrwidth_width; // nr of chars to print line count.
#endif
#ifdef FEAT_QUICKFIX
qf_info_T *w_llist; // Location list for this window
/*
* Location list reference used in the location list window.
* In a non-location list window, w_llist_ref is NULL.
*/
qf_info_T *w_llist_ref;
#endif
#ifdef FEAT_MZSCHEME
void *w_mzscheme_ref; // The MzScheme value for this window
#endif
#ifdef FEAT_PERL
void *w_perl_private;
#endif
#ifdef FEAT_PYTHON
void *w_python_ref; // The Python value for this window
#endif
#ifdef FEAT_PYTHON3
void *w_python3_ref; // The Python value for this window
#endif
#ifdef FEAT_TCL
void *w_tcl_ref;
#endif
#ifdef FEAT_RUBY
void *w_ruby_ref;
#endif
};
/*
* Arguments for operators.
*/
typedef struct oparg_S
{
int op_type; // current pending operator type
int regname; // register to use for the operator
int motion_type; // type of the current cursor motion
int motion_force; // force motion type: 'v', 'V' or CTRL-V
int use_reg_one; // TRUE if delete uses reg 1 even when not
// linewise
int inclusive; // TRUE if char motion is inclusive (only
// valid when motion_type is MCHAR)
int end_adjusted; // backuped b_op_end one char (only used by
// do_format())
pos_T start; // start of the operator
pos_T end; // end of the operator
pos_T cursor_start; // cursor position before motion for "gw"
long line_count; // number of lines from op_start to op_end
// (inclusive)
int empty; // op_start and op_end the same (only used by
// do_change())
int is_VIsual; // operator on Visual area
int block_mode; // current operator is Visual block mode
colnr_T start_vcol; // start col for block mode operator
colnr_T end_vcol; // end col for block mode operator
long prev_opcount; // ca.opcount saved for K_CURSORHOLD
long prev_count0; // ca.count0 saved for K_CURSORHOLD
int excl_tr_ws; // exclude trailing whitespace for yank of a
// block
} oparg_T;
/*
* Arguments for Normal mode commands.
*/
typedef struct cmdarg_S
{
oparg_T *oap; // Operator arguments
int prechar; // prefix character (optional, always 'g')
int cmdchar; // command character
int nchar; // next command character (optional)
int ncharC1; // first composing character (optional)
int ncharC2; // second composing character (optional)
int extra_char; // yet another character (optional)
long opcount; // count before an operator
long count0; // count before command, default 0
long count1; // count before command, default 1
int arg; // extra argument from nv_cmds[]
int retval; // return: CA_* values
char_u *searchbuf; // return: pointer to search pattern or NULL
} cmdarg_T;
// values for retval:
#define CA_COMMAND_BUSY 1 // skip restarting edit() once
#define CA_NO_ADJ_OP_END 2 // don't adjust operator end
#ifdef CURSOR_SHAPE
/*
* struct to store values from 'guicursor' and 'mouseshape'
*/
// Indexes in shape_table[]
#define SHAPE_IDX_N 0 // Normal mode
#define SHAPE_IDX_V 1 // Visual mode
#define SHAPE_IDX_I 2 // Insert mode
#define SHAPE_IDX_R 3 // Replace mode
#define SHAPE_IDX_C 4 // Command line Normal mode
#define SHAPE_IDX_CI 5 // Command line Insert mode
#define SHAPE_IDX_CR 6 // Command line Replace mode
#define SHAPE_IDX_O 7 // Operator-pending mode
#define SHAPE_IDX_VE 8 // Visual mode with 'selection' exclusive
#define SHAPE_IDX_CLINE 9 // On command line
#define SHAPE_IDX_STATUS 10 // A status line
#define SHAPE_IDX_SDRAG 11 // dragging a status line
#define SHAPE_IDX_VSEP 12 // A vertical separator line
#define SHAPE_IDX_VDRAG 13 // dragging a vertical separator line
#define SHAPE_IDX_MORE 14 // Hit-return or More
#define SHAPE_IDX_MOREL 15 // Hit-return or More in last line
#define SHAPE_IDX_SM 16 // showing matching paren
#define SHAPE_IDX_COUNT 17
#define SHAPE_BLOCK 0 // block cursor
#define SHAPE_HOR 1 // horizontal bar cursor
#define SHAPE_VER 2 // vertical bar cursor
#define MSHAPE_NUMBERED 1000 // offset for shapes identified by number
#define MSHAPE_HIDE 1 // hide mouse pointer
#define SHAPE_MOUSE 1 // used for mouse pointer shape
#define SHAPE_CURSOR 2 // used for text cursor shape
typedef struct cursor_entry
{
int shape; // one of the SHAPE_ defines
int mshape; // one of the MSHAPE defines
int percentage; // percentage of cell for bar
long blinkwait; // blinking, wait time before blinking starts
long blinkon; // blinking, on time
long blinkoff; // blinking, off time
int id; // highlight group ID
int id_lm; // highlight group ID for :lmap mode
char *name; // mode name (fixed)
char used_for; // SHAPE_MOUSE and/or SHAPE_CURSOR
} cursorentry_T;
#endif // CURSOR_SHAPE
#ifdef FEAT_MENU
// Indices into vimmenu_T->strings[] and vimmenu_T->noremap[] for each mode
#define MENU_INDEX_INVALID -1
#define MENU_INDEX_NORMAL 0
#define MENU_INDEX_VISUAL 1
#define MENU_INDEX_SELECT 2
#define MENU_INDEX_OP_PENDING 3
#define MENU_INDEX_INSERT 4
#define MENU_INDEX_CMDLINE 5
#define MENU_INDEX_TERMINAL 6
#define MENU_INDEX_TIP 7
#define MENU_MODES 8
// Menu modes
#define MENU_NORMAL_MODE (1 << MENU_INDEX_NORMAL)
#define MENU_VISUAL_MODE (1 << MENU_INDEX_VISUAL)
#define MENU_SELECT_MODE (1 << MENU_INDEX_SELECT)
#define MENU_OP_PENDING_MODE (1 << MENU_INDEX_OP_PENDING)
#define MENU_INSERT_MODE (1 << MENU_INDEX_INSERT)
#define MENU_CMDLINE_MODE (1 << MENU_INDEX_CMDLINE)
#define MENU_TERMINAL_MODE (1 << MENU_INDEX_TERMINAL)
#define MENU_TIP_MODE (1 << MENU_INDEX_TIP)
#define MENU_ALL_MODES ((1 << MENU_INDEX_TIP) - 1)
// note MENU_INDEX_TIP is not a 'real' mode
// Start a menu name with this to not include it on the main menu bar
#define MNU_HIDDEN_CHAR ']'
struct VimMenu
{
int modes; // Which modes is this menu visible for?
int enabled; // for which modes the menu is enabled
char_u *name; // Name of menu, possibly translated
char_u *dname; // Displayed Name ("name" without '&')
#ifdef FEAT_MULTI_LANG
char_u *en_name; // "name" untranslated, NULL when "name"
// was not translated
char_u *en_dname; // "dname" untranslated, NULL when "dname"
// was not translated
#endif
char_u *actext; // accelerator text (after TAB)
int mnemonic; // mnemonic key (after '&')
int priority; // Menu order priority
#ifdef FEAT_GUI
void (*cb)(vimmenu_T *); // Call-back function
#endif
#ifdef FEAT_TOOLBAR
char_u *iconfile; // name of file for icon or NULL
int iconidx; // icon index (-1 if not set)
int icon_builtin; // icon names is BuiltIn{nr}
#endif
char_u *strings[MENU_MODES]; // Mapped string for each mode
int noremap[MENU_MODES]; // A REMAP_ flag for each mode
char silent[MENU_MODES]; // A silent flag for each mode
vimmenu_T *children; // Children of sub-menu
vimmenu_T *parent; // Parent of menu
vimmenu_T *next; // Next item in menu
#ifdef FEAT_GUI_X11
Widget id; // Manage this to enable item
Widget submenu_id; // If this is submenu, add children here
#endif
#ifdef FEAT_GUI_GTK
GtkWidget *id; // Manage this to enable item
GtkWidget *submenu_id; // If this is submenu, add children here
# if defined(GTK_CHECK_VERSION) && !GTK_CHECK_VERSION(3,4,0)
GtkWidget *tearoff_handle;
# endif
GtkWidget *label; // Used by "set wak=" code.
#endif
#ifdef FEAT_GUI_MOTIF
int sensitive; // turn button on/off
char **xpm; // pixmap data
char *xpm_fname; // file with pixmap data
#endif
#ifdef FEAT_BEVAL_TIP
BalloonEval *tip; // tooltip for this menu item
#endif
#ifdef FEAT_GUI_MSWIN
UINT id; // Id of menu item
HMENU submenu_id; // If this is submenu, add children here
HWND tearoff_handle; // hWnd of tearoff if created
#endif
#ifdef FEAT_GUI_HAIKU
BMenuItem *id; // Id of menu item
BMenu *submenu_id; // If this is submenu, add children here
# ifdef FEAT_TOOLBAR
BPictureButton *button;
# endif
#endif
#ifdef FEAT_GUI_PHOTON
PtWidget_t *id;
PtWidget_t *submenu_id;
#endif
};
#else
// For generating prototypes when FEAT_MENU isn't defined.
typedef int vimmenu_T;
#endif // FEAT_MENU
/*
* Struct to save values in before executing autocommands for a buffer that is
* not the current buffer.
*/
typedef struct
{
int use_aucmd_win_idx; // index in aucmd_win[] if >= 0
int save_curwin_id; // ID of saved curwin
int new_curwin_id; // ID of new curwin
int save_prevwin_id; // ID of saved prevwin
bufref_T new_curbuf; // new curbuf
char_u *tp_localdir; // saved value of tp_localdir
char_u *globaldir; // saved value of globaldir
int save_VIsual_active; // saved VIsual_active
int save_State; // saved State
#ifdef FEAT_JOB_CHANNEL
int save_prompt_insert; // saved b_prompt_insert
#endif
} aco_save_T;
/*
* Generic option table item, only used for printer at the moment.
*/
typedef struct
{
const char *name;
int hasnum;
long number;
char_u *string; // points into option string
int strlen;
int present;
} option_table_T;
/*
* Structure to hold printing color and font attributes.
*/
typedef struct
{
long_u fg_color;
long_u bg_color;
int bold;
int italic;
int underline;
int undercurl;
} prt_text_attr_T;
/*
* Structure passed back to the generic printer code.
*/
typedef struct
{
int n_collated_copies;
int n_uncollated_copies;
int duplex;
int chars_per_line;
int lines_per_page;
int has_color;
prt_text_attr_T number;
#ifdef FEAT_SYN_HL
int modec;
int do_syntax;
#endif
int user_abort;
char_u *jobname;
#ifdef FEAT_POSTSCRIPT
char_u *outfile;
char_u *arguments;
#endif
} prt_settings_T;
#define PRINT_NUMBER_WIDTH 8
/*
* Used for popup menu items.
*/
typedef struct
{
char_u *pum_text; // main menu text
char_u *pum_kind; // extra kind text (may be truncated)
char_u *pum_extra; // extra menu text (may be truncated)
char_u *pum_info; // extra info
int pum_score; // fuzzy match score
int pum_idx; // index of item before sorting by score
int pum_user_abbr_hlattr; // highlight attribute for abbr
int pum_user_kind_hlattr; // highlight attribute for kind
} pumitem_T;
/*
* Structure used for get_tagfname().
*/
typedef struct
{
char_u *tn_tags; // value of 'tags' when starting
char_u *tn_np; // current position in tn_tags
int tn_did_filefind_init;
int tn_hf_idx;
void *tn_search_ctx;
} tagname_T;
typedef struct {
UINT32_T total[2];
UINT32_T state[8];
char_u buffer[64];
} context_sha256_T;
/*
* types for expressions.
*/
typedef enum
{
EXPR_UNKNOWN = 0,
EXPR_EQUAL, // ==
EXPR_NEQUAL, // !=
EXPR_GREATER, // >
EXPR_GEQUAL, // >=
EXPR_SMALLER, // <
EXPR_SEQUAL, // <=
EXPR_MATCH, // =~
EXPR_NOMATCH, // !~
EXPR_IS, // is
EXPR_ISNOT, // isnot
// used with ISN_OPNR
EXPR_ADD, // +
EXPR_SUB, // -
EXPR_MULT, // *
EXPR_DIV, // /
EXPR_REM, // %
EXPR_LSHIFT, // <<
EXPR_RSHIFT, // >>
// used with ISN_ADDLIST
EXPR_COPY, // create new list
EXPR_APPEND, // append to first list
} exprtype_T;
/*
* Structure used for reading in json_decode().
*/
struct js_reader
{
char_u *js_buf; // text to be decoded
char_u *js_end; // NUL in js_buf
int js_used; // bytes used from js_buf
int (*js_fill)(struct js_reader *);
// function to fill the buffer or NULL;
// return TRUE when the buffer was filled
void *js_cookie; // can be used by js_fill
int js_cookie_arg; // can be used by js_fill
};
typedef struct js_reader js_read_T;
// Maximum number of commands from + or -c arguments.
#define MAX_ARG_CMDS 10
// values for "window_layout"
#define WIN_HOR 1 // "-o" horizontally split windows
#define WIN_VER 2 // "-O" vertically split windows
#define WIN_TABS 3 // "-p" windows on tab pages
// Struct for various parameters passed between main() and other functions.
typedef struct
{
int argc;
char **argv;
char_u *fname; // first file to edit
int evim_mode; // started as "evim"
char_u *use_vimrc; // vimrc from -u argument
int clean; // --clean argument
int n_commands; // no. of commands from + or -c
char_u *commands[MAX_ARG_CMDS]; // commands from + or -c arg.
char_u cmds_tofree[MAX_ARG_CMDS]; // commands that need free()
int n_pre_commands; // no. of commands from --cmd
char_u *pre_commands[MAX_ARG_CMDS]; // commands from --cmd argument
int edit_type; // type of editing to do
char_u *tagname; // tag from -t argument
#ifdef FEAT_QUICKFIX
char_u *use_ef; // 'errorfile' from -q argument
#endif
int want_full_screen;
int not_a_term; // no warning for missing term?
#ifdef FEAT_GUI
char_u *gui_dialog_file; // file to write dialog text in
#endif
int tty_fail; // exit if not a tty
char_u *term; // specified terminal name
#ifdef FEAT_CRYPT
int ask_for_key; // -x argument
#endif
int no_swap_file; // "-n" argument used
#ifdef FEAT_EVAL
int use_debug_break_level;
#endif
int window_count; // number of windows to use
int window_layout; // 0, WIN_HOR, WIN_VER or WIN_TABS
#ifdef FEAT_CLIENTSERVER
int serverArg; // TRUE when argument for a server
char_u *serverName_arg; // cmdline arg for server name
char_u *serverStr; // remote server command
char_u *serverStrEnc; // encoding of serverStr
char_u *servername; // allocated name for our server
#endif
#if !defined(UNIX)
# define EXPAND_FILENAMES
int literal; // don't expand file names
#endif
#ifdef MSWIN
int full_path; // file name argument was full path
#endif
#ifdef FEAT_DIFF
int diff_mode; // start with 'diff' set
#endif
} mparm_T;
/*
* Structure returned by get_lval() and used by set_var_lval().
* For a plain name:
* "name" points to the variable name.
* "exp_name" is NULL.
* "tv" is NULL
* For a magic braces name:
* "name" points to the expanded variable name.
* "exp_name" is non-NULL, to be freed later.
* "tv" is NULL
* For an index in a list:
* "name" points to the (expanded) variable name.
* "exp_name" NULL or non-NULL, to be freed later.
* "tv" points to the (first) list item value
* "li" points to the (first) list item
* "range", "n1", "n2" and "empty2" indicate what items are used.
* For a plain class or object:
* "name" points to the variable name.
* "exp_name" is NULL.
* "tv" points to the variable
* "is_root" TRUE
* For a variable in a class/object: (class is not NULL)
* "name" points to the (expanded) variable name.
* "exp_name" NULL or non-NULL, to be freed later.
* "tv" May point to class/object variable.
* "object" object containing variable, NULL if class variable
* "class" class of object or class containing variable
* "oi" index into class/object of tv
* For an existing Dict item:
* "name" points to the (expanded) variable name.
* "exp_name" NULL or non-NULL, to be freed later.
* "tv" points to the dict item value
* "newkey" is NULL
* For a non-existing Dict item:
* "name" points to the (expanded) variable name.
* "exp_name" NULL or non-NULL, to be freed later.
* "tv" points to the Dictionary typval_T
* "newkey" is the key for the new item.
*/
typedef struct lval_S
{
char_u *ll_name; // start of variable name (can be NULL)
char_u *ll_name_end; // end of variable name (can be NULL)
type_T *ll_type; // type of variable (can be NULL)
char_u *ll_exp_name; // NULL or expanded name in allocated memory.
scid_T ll_sid; // for an imported item: the script ID it was
// imported from; zero otherwise
typval_T *ll_tv; // Typeval of item being used. If "newkey"
// isn't NULL it's the Dict to which to add
// the item.
listitem_T *ll_li; // The list item or NULL.
list_T *ll_list; // The list or NULL.
int ll_range; // TRUE when a [i:j] range was used
int ll_empty2; // Second index is empty: [i:]
long ll_n1; // First index for list
long ll_n2; // Second index for list range
dict_T *ll_dict; // The Dictionary or NULL
dictitem_T *ll_di; // The dictitem or NULL
char_u *ll_newkey; // New key for Dict in alloc. mem or NULL.
type_T *ll_valtype; // type expected for the value or NULL
blob_T *ll_blob; // The Blob or NULL
ufunc_T *ll_ufunc; // The function or NULL
object_T *ll_object; // The object or NULL, class is not NULL
class_T *ll_class; // The class or NULL, object may be NULL
int ll_oi; // The object/class member index
int ll_is_root; // TRUE if ll_tv is the lval_root, like a
// plain object/class. ll_tv is variable.
} lval_T;
/**
* This specifies optional parameters for get_lval(). Arguments may be NULL.
*/
typedef struct lval_root_S {
typval_T *lr_tv; // Base typval.
class_T *lr_cl_exec; // Executing class for access checking.
int lr_is_arg; // name is an arg (not a member).
} lval_root_T;
// Structure used to save the current state. Used when executing Normal mode
// commands while in any other mode.
typedef struct {
int save_msg_scroll;
int save_restart_edit;
int save_msg_didout;
int save_State;
int save_insertmode;
int save_finish_op;
int save_opcount;
int save_reg_executing;
int save_pending_end_reg_executing;
int save_script_version;
tasave_T tabuf;
} save_state_T;
typedef struct {
varnumber_T vv_prevcount;
varnumber_T vv_count;
varnumber_T vv_count1;
} vimvars_save_T;
// Scope for changing directory
typedef enum {
CDSCOPE_GLOBAL, // :cd
CDSCOPE_TABPAGE, // :tcd
CDSCOPE_WINDOW // :lcd
} cdscope_T;
// Variable flavor
typedef enum
{
VAR_FLAVOUR_DEFAULT, // doesn't start with uppercase
VAR_FLAVOUR_SESSION, // starts with uppercase, some lower
VAR_FLAVOUR_VIMINFO // all uppercase
} var_flavour_T;
// argument for mouse_find_win()
typedef enum {
IGNORE_POPUP, // only check non-popup windows
FIND_POPUP, // also find popup windows
FAIL_POPUP // return NULL if mouse on popup window
} mouse_find_T;
// Symbolic names for some registers.
#define DELETION_REGISTER 36
#ifdef FEAT_CLIPBOARD
# define STAR_REGISTER 37
# ifdef FEAT_X11
# define PLUS_REGISTER 38
# else
# define PLUS_REGISTER STAR_REGISTER // there is only one
# endif
#endif
#ifdef FEAT_DND
# define TILDE_REGISTER (PLUS_REGISTER + 1)
#endif
#ifdef FEAT_CLIPBOARD
# ifdef FEAT_DND
# define NUM_REGISTERS (TILDE_REGISTER + 1)
# else
# define NUM_REGISTERS (PLUS_REGISTER + 1)
# endif
#else
# define NUM_REGISTERS 37
#endif
// structure used by block_prep, op_delete and op_yank for blockwise operators
// also op_change, op_shift, op_insert, op_replace - AKelly
struct block_def
{
int startspaces; // 'extra' cols before first char
int endspaces; // 'extra' cols after last char
int textlen; // chars in block
char_u *textstart; // pointer to 1st char (partially) in block
colnr_T textcol; // index of chars (partially) in block
colnr_T start_vcol; // start col of 1st char wholly inside block
colnr_T end_vcol; // start col of 1st char wholly after block
int is_short; // TRUE if line is too short to fit in block
int is_MAX; // TRUE if curswant==MAXCOL when starting
int is_oneChar; // TRUE if block within one character
int pre_whitesp; // screen cols of ws before block
int pre_whitesp_c; // chars of ws before block
colnr_T end_char_vcols; // number of vcols of post-block char
colnr_T start_char_vcols; // number of vcols of pre-block char
};
// Each yank register has an array of pointers to lines.
typedef struct
{
string_T *y_array; // pointer to array of string_T structs
linenr_T y_size; // number of lines in y_array
char_u y_type; // MLINE, MCHAR or MBLOCK
colnr_T y_width; // only set if y_type == MBLOCK
#ifdef FEAT_VIMINFO
time_t y_time_set;
#endif
} yankreg_T;
// The offset for a search command is store in a soff struct
// Note: only spats[0].off is really used
typedef struct soffset
{
int dir; // search direction, '/' or '?'
int line; // search has line offset
int end; // search set cursor at end
long off; // line or char offset
} soffset_T;
// A search pattern and its attributes are stored in a spat struct
typedef struct spat
{
char_u *pat; // the pattern (in allocated memory) or NULL
size_t patlen; // the length of the pattern (0 if pat is NULL)
int magic; // magicness of the pattern
int no_scs; // no smartcase for this pattern
soffset_T off;
} spat_T;
/*
* Optional extra arguments for searchit().
*/
typedef struct
{
linenr_T sa_stop_lnum; // stop after this line number when != 0
#ifdef FEAT_RELTIME
long sa_tm; // timeout limit or zero
int sa_timed_out; // set when timed out
#endif
int sa_wrapped; // search wrapped around
} searchit_arg_T;
/*
* Cookie used by getsourceline().
*/
/*
* Cookie used to store info for each sourced file.
* It is shared between do_source() and getsourceline().
* This is passed to do_cmdline().
*/
typedef struct {
FILE *fp; // opened file for sourcing
char_u *nextline; // if not NULL: line that was read ahead
linenr_T sourcing_lnum; // line number of the source file
int finished; // ":finish" used
int source_from_buf;// TRUE if sourcing from current buffer
int buf_lnum; // line number in the current buffer
garray_T buflines; // lines in the current buffer
#ifdef USE_CRNL
int fileformat; // EOL_UNKNOWN, EOL_UNIX or EOL_DOS
int error; // TRUE if LF found after CR-LF
#endif
#ifdef FEAT_EVAL
linenr_T breakpoint; // next line with breakpoint or zero
char_u *fname; // name of sourced file
int dbg_tick; // debug_tick when breakpoint was set
int level; // top nesting level of sourced file
#endif
vimconv_T conv; // type of conversion
} source_cookie_T;
#define WRITEBUFSIZE 8192 // size of normal write buffer
#define FIO_LATIN1 0x01 // convert Latin1
#define FIO_UTF8 0x02 // convert UTF-8
#define FIO_UCS2 0x04 // convert UCS-2
#define FIO_UCS4 0x08 // convert UCS-4
#define FIO_UTF16 0x10 // convert UTF-16
#ifdef MSWIN
# define FIO_CODEPAGE 0x20 // convert MS-Windows codepage
# define FIO_PUT_CP(x) (((x) & 0xffff) << 16) // put codepage in top word
# define FIO_GET_CP(x) (((x)>>16) & 0xffff) // get codepage from top word
#endif
#ifdef MACOS_CONVERT
# define FIO_MACROMAN 0x20 // convert MacRoman
#endif
#define FIO_ENDIAN_L 0x80 // little endian
#define FIO_ENCRYPTED 0x1000 // encrypt written bytes
#define FIO_NOCONVERT 0x2000 // skip encoding conversion
#define FIO_UCSBOM 0x4000 // check for BOM at start of file
#define FIO_ALL (-1) // allow all formats
// When converting, a read() or write() may leave some bytes to be converted
// for the next call. The value is guessed...
#define CONV_RESTLEN 30
// We have to guess how much a sequence of bytes may expand when converting
// with iconv() to be able to allocate a buffer.
#define ICONV_MULT 8
// Used for "magic_overruled".
typedef enum {
OPTION_MAGIC_NOT_SET, // p_magic not overruled
OPTION_MAGIC_ON, // magic on inside regexp
OPTION_MAGIC_OFF // magic off inside regexp
} optmagic_T;
// Magicness of a pattern, used by regexp code.
// The order and values matter:
// magic <= MAGIC_OFF includes MAGIC_NONE
// magic >= MAGIC_ON includes MAGIC_ALL
typedef enum {
MAGIC_NONE = 1, // "\V" very unmagic
MAGIC_OFF = 2, // "\M" or 'magic' off
MAGIC_ON = 3, // "\m" or 'magic'
MAGIC_ALL = 4 // "\v" very magic
} magic_T;
typedef enum {
WT_UNKNOWN = 0, // Unknown or unspecified location
WT_ARGUMENT,
WT_VARIABLE,
WT_MEMBER,
WT_METHOD, // object method
WT_METHOD_ARG, // object method argument type
WT_METHOD_RETURN, // object method return type
WT_CAST, // type cast
} wherekind_T;
// Struct used to pass the location of a type check. Used in error messages to
// indicate where the error happened. Also used for doing covariance type
// check for object method return type and contra-variance type check for
// object method arguments.
typedef struct {
char *wt_func_name; // function name or NULL
char wt_index; // argument or variable index, 0 means unknown
wherekind_T wt_kind; // type check location
} where_T;
#define WHERE_INIT {NULL, 0, WT_UNKNOWN}
// Struct passed to get_v_event() and restore_v_event().
typedef struct {
int sve_did_save;
hashtab_T sve_hashtab;
} save_v_event_T;
// Enum used by filter(), map(), mapnew() and foreach()
typedef enum {
FILTERMAP_FILTER,
FILTERMAP_MAP,
FILTERMAP_MAPNEW,
FILTERMAP_FOREACH
} filtermap_T;
// Structure used by switch_win() to pass values to restore_win()
typedef struct {
win_T *sw_curwin;
tabpage_T *sw_curtab;
int sw_same_win; // VIsual_active was not reset
int sw_visual_active;
} switchwin_T;
// Fuzzy matched string list item. Used for fuzzy match completion. Items are
// usually sorted by 'score'. The 'idx' member is used for stable-sort.
typedef struct {
int idx;
char_u *str;
int score;
} fuzmatch_str_T;
// Argument for lbr_chartabsize().
typedef struct {
win_T *cts_win;
char_u *cts_line; // start of the line
char_u *cts_ptr; // current position in line
#ifdef FEAT_LINEBREAK
int cts_bri_size; // cached size of 'breakindent', or -1
// if not computed yet
#endif
#ifdef FEAT_PROP_POPUP
int cts_text_prop_count; // number of text props; when zero
// cts_text_props is not used
textprop_T *cts_text_props; // text props (allocated)
char cts_has_prop_with_text; // TRUE if a property inserts text
int cts_cur_text_width; // width of current inserted text
int cts_prop_lines; // nr of properties above or below
int cts_first_char; // width text props above the line
int cts_with_trailing; // include size of trailing props with
// last character
int cts_start_incl; // prop has true "start_incl" arg
#endif
int cts_vcol; // virtual column at current position
int cts_max_head_vcol; // see win_lbr_chartabsize()
} chartabsize_T;
/*
* Argument for the callback function (opt_did_set_cb_T) invoked after an
* option value is modified.
*/
typedef struct
{
// Pointer to the option variable. The variable can be a long (numeric
// option), an int (boolean option) or a char pointer (string option).
char_u *os_varp;
int os_idx;
int os_flags;
set_op_T os_op;
// old value of the option (can be a string, number or a boolean)
union
{
long number;
int boolean;
char_u *string;
} os_oldval;
// new value of the option (can be a string, number or a boolean)
union
{
long number;
int boolean;
char_u *string;
} os_newval;
// Option value was checked to be safe, no need to set P_INSECURE
// Used for the 'keymap', 'filetype' and 'syntax' options.
int os_value_checked;
// Option value changed. Used for the 'filetype' and 'syntax' options.
int os_value_changed;
// Used by the 'isident', 'iskeyword', 'isprint' and 'isfname' options.
// Set to TRUE if the character table is modified when processing the
// option and need to be restored because of a failure.
int os_restore_chartab;
#if defined(FEAT_VTP) && defined(FEAT_TERMGUICOLORS)
// Used by the 't_xxx' terminal options on MS-Windows.
int os_did_swaptcap;
#endif
// If the value specified for an option is not valid and the error message
// is parameterized, then the "os_errbuf" buffer is used to store the error
// message (when it is not NULL).
char *os_errbuf;
// length of the error buffer
size_t os_errbuflen;
} optset_T;
/*
* Argument for the callback function (opt_expand_cb_T) invoked after a string
* option value is expanded for cmdline completion.
*/
typedef struct
{
// Pointer to the option variable. It's always a string.
char_u *oe_varp;
// The original option value, escaped.
char_u *oe_opt_value;
// TRUE if using set+= instead of set=
int oe_append;
// TRUE if we would like to add the original option value as the first
// choice.
int oe_include_orig_val;
// Regex from the cmdline, for matching potential options against.
regmatch_T *oe_regmatch;
// The expansion context.
expand_T *oe_xp;
// The full argument passed to :set. For example, if the user inputs
// ':set dip=icase,algorithm:my<Tab>', oe_xp->xp_pattern will only have
// 'my', but oe_set_arg will contain the whole 'icase,algorithm:my'.
char_u *oe_set_arg;
} optexpand_T;
/*
* Spell checking variables passed from win_update() to win_line().
*/
typedef struct {
int spv_has_spell; // drawn window has spell checking
#ifdef FEAT_SPELL
int spv_unchanged; // not updating for changed text
int spv_checked_col; // column in "checked_lnum" up to
// which there are no spell errors
linenr_T spv_checked_lnum; // line number for "checked_col"
int spv_cap_col; // column to check for Cap word
linenr_T spv_capcol_lnum; // line number for "cap_col"
#endif
} spellvars_T;
// Return the length of a string literal
#define STRLEN_LITERAL(s) (sizeof(s) - 1)
// Store a key/value (string) pair
typedef struct
{
int key; // the key
string_T value; // the value
} keyvalue_T;
#define KEYVALUE_ENTRY(k, v) \
{(k), {((char_u *)v), STRLEN_LITERAL(v)}}
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