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cdedd89d228a016a4e433968702e9e3ce5165e7d
neovim/src/nvim/vim.h
Thiago de Arruda cdedd89d22 terminal: New module that implements a terminal emulator 
This commit integrates libvterm with Neovim and implements a terminal emulator
with nvim buffers as the display mechanism. Terminal buffers can be created
using any of the following methods:

- Opening a file with name following the "term://[${cwd}//[${pid}:]]${cmd}"
  URI pattern where:
  - cwd is the working directory of the process
  - pid is the process id. This is just for use in session files where a pid
    would have been assigned to the saved buffer title.
  - cmd is the command to run
- Invoking the `:terminal` ex command
- Invoking the `termopen` function which returns a job id for automating the
  terminal window.

Some extra changes were also implemented to adapt with terminal buffers. Here's
an overview:

- The `main` function now sets a BufReadCmd autocmd to intercept the term:// URI
  and spawn the terminal buffer instead of reading the file.
- terminal buffers behave as if the following local buffer options were set:
  - `nomodifiable`
  - `swapfile`
  - `undolevels=-1`
  - `bufhidden=hide`
- All commands that delete buffers(`:bun`, `:bd` and `:bw`) behave the same for
  terminal buffers, but only work when bang is passed(eg: `:bwipeout!`)
- A new "terminal" mode was added. A consequence is that a new set of mapping
  commands were implemented with the "t" prefix(tmap, tunmap, tnoremap...)
- The `edit` function(which enters insert mode) will actually enter terminal
  mode if the current buffer is a terminal
- The `put` operator was adapted to send data to the terminal instead of
  modifying the buffer directly.
- A window being resized will also trigger a terminal resize if the window
  displays the terminal.
2015-03-25 18:57:35 -03:00

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/*
* 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.
*/
#ifndef NVIM_VIM_H
# define NVIM_VIM_H
#define MIN(X, Y) (X < Y ? X : Y)
#define MAX(X, Y) (X > Y ? X : Y)
#include "nvim/types.h"
#include "nvim/pos.h" // for linenr_T, MAXCOL, etc...
/* Some defines from the old feature.h */
#define SESSION_FILE "Session.vim"
#define MAX_MSG_HIST_LEN 200
#define SYS_OPTWIN_FILE "$VIMRUNTIME/optwin.vim"
#define RUNTIME_DIRNAME "runtime"
/* end */
/* ============ the header file puzzle (ca. 50-100 pieces) ========= */
#ifdef HAVE_CONFIG_H /* GNU autoconf (or something else) was here */
# include "auto/config.h"
# define HAVE_PATHDEF
/*
* Check if configure correctly managed to find sizeof(int). If this failed,
* it becomes zero. This is likely a problem of not being able to run the
* test program. Other items from configure may also be wrong then!
*/
# if (SIZEOF_INT == 0)
Error: configure did not run properly.Check auto/config.log.
# endif
#endif
/* user ID of root is usually zero, but not for everybody */
#define ROOT_UID 0
/* Can't use "PACKAGE" here, conflicts with a Perl include file. */
#ifndef VIMPACKAGE
# define VIMPACKAGE "vim"
#endif
#include "nvim/os_unix_defs.h" /* bring lots of system header files */
#define NUMBUFLEN 30 /* length of a buffer to store a number in ASCII */
# define MAX_TYPENR 65535
#include "nvim/keymap.h"
#include "nvim/macros.h"
/* ================ end of the header file puzzle =============== */
#ifdef HAVE_WORKING_LIBINTL
# include <libintl.h>
# define _(x) gettext((char *)(x))
// XXX do we actually need this?
# ifdef gettext_noop
# define N_(x) gettext_noop(x)
# else
# define N_(x) x
# endif
#else
# define _(x) ((char *)(x))
# define N_(x) x
# define bindtextdomain(x, y) /* empty */
# define bind_textdomain_codeset(x, y) /* empty */
# define textdomain(x) /* empty */
#endif
/* special attribute addition: Put message in history */
#define MSG_HIST 0x1000
/*
* values for State
*
* The lower bits up to 0x20 are used to distinguish normal/visual/op_pending
* and cmdline/insert+replace mode. This is used for mapping. If none of
* these bits are set, no mapping is done.
* The upper bits are used to distinguish between other states.
*/
#define NORMAL 0x01 /* Normal mode, command expected */
#define VISUAL 0x02 /* Visual mode - use get_real_state() */
#define OP_PENDING 0x04 /* Normal mode, operator is pending - use
get_real_state() */
#define CMDLINE 0x08 /* Editing command line */
#define INSERT 0x10 /* Insert mode */
#define LANGMAP 0x20 /* Language mapping, can be combined with
INSERT and CMDLINE */
#define REPLACE_FLAG 0x40 /* Replace mode flag */
#define REPLACE (REPLACE_FLAG + INSERT)
# define VREPLACE_FLAG 0x80 /* Virtual-replace mode flag */
# define VREPLACE (REPLACE_FLAG + VREPLACE_FLAG + INSERT)
#define LREPLACE (REPLACE_FLAG + LANGMAP)
#define NORMAL_BUSY (0x100 + NORMAL) /* Normal mode, busy with a command */
#define HITRETURN (0x200 + NORMAL) /* waiting for return or command */
#define ASKMORE 0x300 /* Asking if you want --more-- */
#define SETWSIZE 0x400 /* window size has changed */
#define ABBREV 0x500 /* abbreviation instead of mapping */
#define EXTERNCMD 0x600 /* executing an external command */
#define SHOWMATCH (0x700 + INSERT) /* show matching paren */
#define CONFIRM 0x800 /* ":confirm" prompt */
#define SELECTMODE 0x1000 /* Select mode, only for mappings */
#define TERM_FOCUS 0x2000 // Terminal focus mode
// all mode bits used for mapping
#define MAP_ALL_MODES (0x3f | SELECTMODE | TERM_FOCUS)
/* directions */
#define FORWARD 1
#define BACKWARD (-1)
#define FORWARD_FILE 3
#define BACKWARD_FILE (-3)
/* return values for functions */
#if !(defined(OK) && (OK == 1))
/* OK already defined to 1 in MacOS X curses, skip this */
# define OK 1
#endif
#define FAIL 0
#define NOTDONE 2 /* not OK or FAIL but skipped */
/*
* values for xp_context when doing command line completion
*/
enum {
EXPAND_UNSUCCESSFUL = -2,
EXPAND_OK = -1,
EXPAND_NOTHING = 0,
EXPAND_COMMANDS,
EXPAND_FILES,
EXPAND_DIRECTORIES,
EXPAND_SETTINGS,
EXPAND_BOOL_SETTINGS,
EXPAND_TAGS,
EXPAND_OLD_SETTING,
EXPAND_HELP,
EXPAND_BUFFERS,
EXPAND_EVENTS,
EXPAND_MENUS,
EXPAND_SYNTAX,
EXPAND_HIGHLIGHT,
EXPAND_AUGROUP,
EXPAND_USER_VARS,
EXPAND_MAPPINGS,
EXPAND_TAGS_LISTFILES,
EXPAND_FUNCTIONS,
EXPAND_USER_FUNC,
EXPAND_EXPRESSION,
EXPAND_MENUNAMES,
EXPAND_USER_COMMANDS,
EXPAND_USER_CMD_FLAGS,
EXPAND_USER_NARGS,
EXPAND_USER_COMPLETE,
EXPAND_ENV_VARS,
EXPAND_LANGUAGE,
EXPAND_COLORS,
EXPAND_COMPILER,
EXPAND_USER_DEFINED,
EXPAND_USER_LIST,
EXPAND_SHELLCMD,
EXPAND_CSCOPE,
EXPAND_SIGN,
EXPAND_PROFILE,
EXPAND_BEHAVE,
EXPAND_FILETYPE,
EXPAND_FILES_IN_PATH,
EXPAND_OWNSYNTAX,
EXPAND_LOCALES,
EXPAND_HISTORY,
EXPAND_USER,
EXPAND_SYNTIME,
};
/*
* Minimal size for block 0 of a swap file.
* NOTE: This depends on size of struct block0! It's not done with a sizeof(),
* because struct block0 is defined in memline.c (Sorry).
* The maximal block size is arbitrary.
*/
#define MIN_SWAP_PAGE_SIZE 1048
#define MAX_SWAP_PAGE_SIZE 50000
/*
* Boolean constants
*/
#ifndef TRUE
# define FALSE 0 /* note: this is an int, not a long! */
# define TRUE 1
#endif
#define MAYBE 2 /* sometimes used for a variant on TRUE */
/*
* Motion types, used for operators and for yank/delete registers.
*/
#define MCHAR 0 /* character-wise movement/register */
#define MLINE 1 /* line-wise movement/register */
#define MBLOCK 2 /* block-wise register */
#define MAUTO 0xff /* Decide between MLINE/MCHAR */
#define STATUS_HEIGHT 1 /* height of a status line under a window */
#define QF_WINHEIGHT 10 /* default height for quickfix window */
/*
* Buffer sizes
*/
#ifndef CMDBUFFSIZE
# define CMDBUFFSIZE 256 /* size of the command processing buffer */
#endif
#define LSIZE 512 /* max. size of a line in the tags file */
#define DIALOG_MSG_SIZE 1000 /* buffer size for dialog_msg() */
/*
* Maximum length of key sequence to be mapped.
* Must be able to hold an Amiga resize report.
*/
#define MAXMAPLEN 50
/* Size in bytes of the hash used in the undo file. */
#define UNDO_HASH_SIZE 32
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
#ifndef O_NOFOLLOW
# define O_NOFOLLOW 0
#endif
/*
* defines to avoid typecasts from (char_u *) to (char *) and back
* (vim_strchr() and vim_strrchr() are now in alloc.c)
*/
#define STRLEN(s) strlen((char *)(s))
#define STRCPY(d, s) strcpy((char *)(d), (char *)(s))
#define STRNCPY(d, s, n) strncpy((char *)(d), (char *)(s), (size_t)(n))
#define STRLCPY(d, s, n) xstrlcpy((char *)(d), (char *)(s), (size_t)(n))
#define STRCMP(d, s) strcmp((char *)(d), (char *)(s))
#define STRNCMP(d, s, n) strncmp((char *)(d), (char *)(s), (size_t)(n))
#ifdef HAVE_STRCASECMP
# define STRICMP(d, s) strcasecmp((char *)(d), (char *)(s))
#else
# ifdef HAVE_STRICMP
# define STRICMP(d, s) stricmp((char *)(d), (char *)(s))
# else
# define STRICMP(d, s) vim_stricmp((char *)(d), (char *)(s))
# endif
#endif
/* Like strcpy() but allows overlapped source and destination. */
#define STRMOVE(d, s) memmove((d), (s), STRLEN(s) + 1)
#ifdef HAVE_STRNCASECMP
# define STRNICMP(d, s, n) strncasecmp((char *)(d), (char *)(s), (size_t)(n))
#else
# ifdef HAVE_STRNICMP
# define STRNICMP(d, s, n) strnicmp((char *)(d), (char *)(s), (size_t)(n))
# else
# define STRNICMP(d, s, n) vim_strnicmp((char *)(d), (char *)(s), (size_t)(n))
# endif
#endif
#define STRCAT(d, s) strcat((char *)(d), (char *)(s))
#define STRNCAT(d, s, n) strncat((char *)(d), (char *)(s), (size_t)(n))
# define vim_strpbrk(s, cs) (char_u *)strpbrk((char *)(s), (char *)(cs))
#define MSG(s) msg((char_u *)(s))
#define MSG_ATTR(s, attr) msg_attr((char_u *)(s), (attr))
#define EMSG(s) emsg((char_u *)(s))
#define EMSG2(s, p) emsg2((char_u *)(s), (char_u *)(p))
#define EMSG3(s, p, q) emsg3((char_u *)(s), (char_u *)(p), \
(char_u *)(q))
#define EMSGN(s, n) emsgn((char_u *)(s), (int64_t)(n))
#define EMSGU(s, n) emsgu((char_u *)(s), (uint64_t)(n))
#define OUT_STR(s) out_str((char_u *)(s))
#define OUT_STR_NF(s) out_str_nf((char_u *)(s))
#define MSG_PUTS(s) msg_puts((char_u *)(s))
#define MSG_PUTS_ATTR(s, a) msg_puts_attr((char_u *)(s), (a))
#define MSG_PUTS_TITLE(s) msg_puts_title((char_u *)(s))
#define MSG_PUTS_LONG(s) msg_puts_long_attr((char_u *)(s), 0)
#define MSG_PUTS_LONG_ATTR(s, a) msg_puts_long_attr((char_u *)(s), (a))
/* Prefer using emsg3(), because perror() may send the output to the wrong
* destination and mess up the screen. */
#define PERROR(msg) \
(void) emsg3((char_u *) "%s: %s", (char_u *)msg, (char_u *)strerror(errno))
#define SHOWCMD_COLS 10 /* columns needed by shown command */
#define STL_MAX_ITEM 80 /* max nr of %<flag> in statusline */
/*
* fnamecmp() is used to compare file names.
* On some systems case in a file name does not matter, on others it does.
* (this does not account for maximum name lengths and things like "../dir",
* thus it is not 100% accurate!)
*/
#define fnamecmp(x, y) vim_fnamecmp((char_u *)(x), (char_u *)(y))
#define fnamencmp(x, y, n) vim_fnamencmp((char_u *)(x), (char_u *)(y), \
(size_t)(n))
/*
* Enums need a typecast to be used as array index (for Ultrix).
*/
#define hl_attr(n) highlight_attr[(int)(n)]
#define term_str(n) term_strings[(int)(n)]
/*
* vim_iswhite() is used for "^" and the like. It differs from isspace()
* because it doesn't include <CR> and <LF> and the like.
*/
#define vim_iswhite(x) ((x) == ' ' || (x) == '\t')
/* Maximum number of bytes in a multi-byte character. It can be one 32-bit
* character of up to 6 bytes, or one 16-bit character of up to three bytes
* plus six following composing characters of three bytes each. */
# define MB_MAXBYTES 21
/* This has to go after the include of proto.h, as proto/gui.pro declares
* functions of these names. The declarations would break if the defines had
* been seen at that stage. But it must be before globals.h, where error_ga
* is declared. */
#if !defined(FEAT_GUI_W32) && !defined(FEAT_GUI_X11) \
&& !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MAC)
# define mch_errmsg(str) fprintf(stderr, "%s", (str))
# define display_errors() fflush(stderr)
# define mch_msg(str) printf("%s", (str))
#else
# define USE_MCH_ERRMSG
#endif
#include "nvim/globals.h" /* global variables and messages */
#include "nvim/buffer_defs.h" /* buffer and windows */
#include "nvim/ex_cmds_defs.h" /* Ex command defines */
# define SET_NO_HLSEARCH(flag) no_hlsearch = (flag); set_vim_var_nr( \
VV_HLSEARCH, !no_hlsearch)
#endif /* NVIM_VIM_H */
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