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neovim/src/nvim/version.c

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// This is an open source non-commercial project. Dear PVS-Studio, please check
// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
/// @file version.c
///
/// Nvim was forked from Vim 7.4.160.
/// Vim originated from Stevie version 3.6 (Fish disk 217) by GRWalter (Fred).
#include <inttypes.h>
#include <assert.h>
#include <limits.h>
#include "nvim/api/private/helpers.h"
#include "nvim/vim.h"
#include "nvim/ascii.h"
#include "nvim/iconv.h"
#include "nvim/version.h"
#include "nvim/charset.h"
#include "nvim/macros.h"
#include "nvim/memline.h"
#include "nvim/memory.h"
#include "nvim/message.h"
#include "nvim/screen.h"
#include "nvim/strings.h"
#include "nvim/lua/executor.h"
// version info generated by the build system
#include "auto/versiondef.h"
// for ":version", ":intro", and "nvim --version"
#ifndef NVIM_VERSION_MEDIUM
#define NVIM_VERSION_MEDIUM "v" STR(NVIM_VERSION_MAJOR)\
"." STR(NVIM_VERSION_MINOR) "." STR(NVIM_VERSION_PATCH)\
NVIM_VERSION_PRERELEASE
#endif
#define NVIM_VERSION_LONG "NVIM " NVIM_VERSION_MEDIUM
char *Version = VIM_VERSION_SHORT;
char *longVersion = NVIM_VERSION_LONG;
char *version_buildtype = "Build type: " NVIM_VERSION_BUILD_TYPE;
char *version_cflags = "Compilation: " NVIM_VERSION_CFLAGS;
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "version.c.generated.h"
#endif
static char *features[] = {
#ifdef HAVE_ACL
"+acl",
#else
"-acl",
#endif
#if defined(HAVE_ICONV)
"+iconv",
#else
"-iconv",
#endif
#ifdef FEAT_TUI
"+tui",
#else
"-tui",
#endif
NULL
};
// clang-format off
static const int included_patches[] = {
1850,
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// 1817,
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// 1804,
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// 1794,
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// 1789,
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// 1786,
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// 1783,
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// 1774,
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// 1769,
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// 1747,
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// 1745,
// 1744,
// 1743,
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// 1732,
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// 1712,
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// 1706,
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// 1668,
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// 1660,
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// 1651,
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// 1617,
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// 1609,
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// 1593,
// 1592,
// 1591,
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// 1589,
// 1588,
// 1587,
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// 1574,
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// 1570,
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// 1562,
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// 1558,
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// 1554,
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// 1544,
// 1543,
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// 1540,
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// 1538,
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// 1531,
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// 1525,
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// 1522,
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// 1520,
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// 1511,
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// 1505,
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// 1495,
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// 1491,
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// 1463,
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// 1461,
// 1460,
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// 1422,
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// 1388,
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// 1375,
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// 1371,
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// 1367,
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// 1358,
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// 1356,
// 1355,
// 1354,
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// 1345,
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// 1339,
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// 1335,
// 1334,
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// 1307,
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// 1300,
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// 1292,
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// 1287,
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// 1142,
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// 1129,
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// 1125,
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// 1123,
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// 1119,
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// 902,
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7,
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5,
4,
3,
2,
1,
0,
};
// clang-format on
/// Compares a version string to the current Nvim version.
///
/// @param version Version string like "1.3.42"
///
/// @return true if Nvim is at or above the version.
bool has_nvim_version(const char *const version_str)
FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_NONNULL_ALL
{
const char *p = version_str;
int major = 0;
int minor = 0;
int patch = 0;
if (!ascii_isdigit(*p)) {
return false;
}
major = atoi(p);
p = strchr(p, '.'); // Find the next dot.
if (p) {
p++; // Advance past the dot.
if (!ascii_isdigit(*p)) {
return false;
}
minor = atoi(p);
p = strchr(p, '.');
if (p) {
p++;
if (!ascii_isdigit(*p)) {
return false;
}
patch = atoi(p);
}
}
return (major < NVIM_VERSION_MAJOR
|| (major == NVIM_VERSION_MAJOR
&& (minor < NVIM_VERSION_MINOR
|| (minor == NVIM_VERSION_MINOR
&& patch <= NVIM_VERSION_PATCH))));
}
/// Checks whether a Vim patch has been included.
///
/// @param n Patch number.
///
/// @return true if patch `n` has been included.
bool has_vim_patch(int n)
{
for (int i = 0; included_patches[i] != 0; i++) {
if (included_patches[i] == n) {
return true;
}
}
return false;
}
Dictionary version_dict(void) {
Dictionary d = ARRAY_DICT_INIT;
PUT(d, "major", INTEGER_OBJ(NVIM_VERSION_MAJOR));
PUT(d, "minor", INTEGER_OBJ(NVIM_VERSION_MINOR));
PUT(d, "patch", INTEGER_OBJ(NVIM_VERSION_PATCH));
PUT(d, "api_level", INTEGER_OBJ(NVIM_API_LEVEL));
PUT(d, "api_compatible", INTEGER_OBJ(NVIM_API_LEVEL_COMPAT));
PUT(d, "api_prerelease", BOOLEAN_OBJ(NVIM_API_PRERELEASE));
return d;
}
void ex_version(exarg_T *eap)
{
// Ignore a ":version 9.99" command.
if (*eap->arg == NUL) {
msg_putchar('\n');
list_version();
}
}
/// Output a string for the version message. If it's going to wrap, output a
/// newline, unless the message is too long to fit on the screen anyway.
/// When "wrap" is TRUE wrap the string in [].
/// @param s
/// @param wrap
static void version_msg_wrap(char_u *s, int wrap)
{
int len = (int)vim_strsize(s) + (wrap ? 2 : 0);
if (!got_int
&& (len < Columns)
&& (msg_col + len >= Columns)
&& (*s != '\n')) {
msg_putchar('\n');
}
if (!got_int) {
if (wrap) {
msg_puts("[");
}
msg_puts((char *)s);
if (wrap) {
msg_puts("]");
}
}
}
static void version_msg(char *s)
{
version_msg_wrap((char_u *)s, false);
}
/// List all features.
/// This does not use list_in_columns (as in Vim), because there are only a
/// few, and we do not start at a new line.
static void list_features(void)
{
version_msg(_("\n\nFeatures: "));
for (int i = 0; features[i] != NULL; i++) {
version_msg(features[i]);
if (features[i+1] != NULL) {
version_msg(" ");
}
}
version_msg("\nSee \":help feature-compile\"\n\n");
}
/// List string items nicely aligned in columns.
/// When "size" is < 0 then the last entry is marked with NULL.
/// The entry with index "current" is inclosed in [].
void list_in_columns(char_u **items, int size, int current)
{
int item_count = 0;
int width = 0;
// Find the length of the longest item, use that + 1 as the column width.
int i;
for (i = 0; size < 0 ? items[i] != NULL : i < size; i++) {
int l = (int)vim_strsize(items[i]) + (i == current ? 2 : 0);
if (l > width) {
width = l;
}
item_count++;
}
width += 1;
if (Columns < width) {
// Not enough screen columns - show one per line
for (i = 0; i < item_count; i++) {
version_msg_wrap(items[i], i == current);
if (msg_col > 0 && i < item_count - 1) {
msg_putchar('\n');
}
}
return;
}
// The rightmost column doesn't need a separator.
// Sacrifice it to fit in one more column if possible.
int ncol = (int)(Columns + 1) / width;
int nrow = item_count / ncol + (item_count % ncol ? 1 : 0);
int cur_row = 1;
// "i" counts columns then rows. "idx" counts rows then columns.
for (i = 0; !got_int && i < nrow * ncol; i++) {
int idx = (i / ncol) + (i % ncol) * nrow;
if (idx < item_count) {
int last_col = (i + 1) % ncol == 0;
if (idx == current) {
msg_putchar('[');
}
msg_puts((char *)items[idx]);
if (idx == current) {
msg_putchar(']');
}
if (last_col) {
if (msg_col > 0 && cur_row < nrow) {
msg_putchar('\n');
}
cur_row++;
} else {
while (msg_col % width) {
msg_putchar(' ');
}
}
} else {
// this row is out of items, thus at the end of the row
if (msg_col > 0) {
if (cur_row < nrow) {
msg_putchar('\n');
}
cur_row++;
}
}
}
}
void list_lua_version(void)
{
typval_T luaver_tv;
typval_T arg = { .v_type = VAR_UNKNOWN }; // No args.
char *luaver_expr = "((jit and jit.version) and jit.version or _VERSION)";
executor_eval_lua(cstr_as_string(luaver_expr), &arg, &luaver_tv);
assert(luaver_tv.v_type == VAR_STRING);
MSG(luaver_tv.vval.v_string);
xfree(luaver_tv.vval.v_string);
}
void list_version(void)
{
MSG(longVersion);
MSG(version_buildtype);
list_lua_version();
MSG(version_cflags);
#ifdef HAVE_PATHDEF
if ((*compiled_user != NUL) || (*compiled_sys != NUL)) {
MSG_PUTS(_("\nCompiled "));
if (*compiled_user != NUL) {
MSG_PUTS(_("by "));
MSG_PUTS(compiled_user);
}
if (*compiled_sys != NUL) {
MSG_PUTS("@");
MSG_PUTS(compiled_sys);
}
}
#endif // ifdef HAVE_PATHDEF
list_features();
#ifdef SYS_VIMRC_FILE
version_msg(_(" system vimrc file: \""));
version_msg(SYS_VIMRC_FILE);
version_msg("\"\n");
#endif // ifdef SYS_VIMRC_FILE
#ifdef HAVE_PATHDEF
if (*default_vim_dir != NUL) {
version_msg(_(" fall-back for $VIM: \""));
version_msg(default_vim_dir);
version_msg("\"\n");
}
if (*default_vimruntime_dir != NUL) {
version_msg(_(" f-b for $VIMRUNTIME: \""));
version_msg(default_vimruntime_dir);
version_msg("\"\n");
}
#endif // ifdef HAVE_PATHDEF
version_msg("\nRun :checkhealth for more info");
}
/// Show the intro message when not editing a file.
void maybe_intro_message(void)
{
if (BUFEMPTY()
&& (curbuf->b_fname == NULL)
&& (firstwin->w_next == NULL)
&& (vim_strchr(p_shm, SHM_INTRO) == NULL)) {
intro_message(FALSE);
}
}
/// Give an introductory message about Vim.
/// Only used when starting Vim on an empty file, without a file name.
/// Or with the ":intro" command (for Sven :-).
///
/// @param colon TRUE for ":intro"
void intro_message(int colon)
{
int i;
long row;
long blanklines;
int sponsor;
char *p;
static char *(lines[]) = {
N_(NVIM_VERSION_LONG),
"",
N_("Nvim is open source and freely distributable"),
N_("https://neovim.io/#chat"),
"",
N_("type :help nvim<Enter> if you are new! "),
N_("type :checkhealth<Enter> to optimize Nvim"),
N_("type :q<Enter> to exit "),
N_("type :help<Enter> for help "),
"",
N_("Help poor children in Uganda!"),
N_("type :help iccf<Enter> for information "),
};
// blanklines = screen height - # message lines
size_t lines_size = ARRAY_SIZE(lines);
assert(lines_size <= LONG_MAX);
blanklines = Rows - ((long)lines_size - 1l);
// Don't overwrite a statusline. Depends on 'cmdheight'.
if (p_ls > 1) {
blanklines -= Rows - topframe->fr_height;
}
if (blanklines < 0) {
blanklines = 0;
}
// Show the sponsor and register message one out of four times, the Uganda
// message two out of four times.
sponsor = (int)time(NULL);
sponsor = ((sponsor & 2) == 0) - ((sponsor & 4) == 0);
// start displaying the message lines after half of the blank lines
row = blanklines / 2;
if (((row >= 2) && (Columns >= 50)) || colon) {
for (i = 0; i < (int)ARRAY_SIZE(lines); ++i) {
p = lines[i];
if (sponsor != 0) {
if (strstr(p, "children") != NULL) {
p = sponsor < 0
? N_("Sponsor Vim development!")
: N_("Become a registered Vim user!");
} else if (strstr(p, "iccf") != NULL) {
p = sponsor < 0
? N_("type :help sponsor<Enter> for information ")
: N_("type :help register<Enter> for information ");
} else if (strstr(p, "Orphans") != NULL) {
p = N_("menu Help->Sponsor/Register for information ");
}
}
if (*p != NUL) {
do_intro_line(row, (char_u *)_(p), 0);
}
row++;
}
}
// Make the wait-return message appear just below the text.
if (colon) {
assert(row <= INT_MAX);
msg_row = (int)row;
}
}
static void do_intro_line(long row, char_u *mesg, int attr)
{
long col;
char_u *p;
int l;
int clen;
// Center the message horizontally.
col = vim_strsize(mesg);
col = (Columns - col) / 2;
if (col < 0) {
col = 0;
}
// Split up in parts to highlight <> items differently.
for (p = mesg; *p != NUL; p += l) {
clen = 0;
for (l = 0; p[l] != NUL
&& (l == 0 || (p[l] != '<' && p[l - 1] != '>')); ++l) {
if (has_mbyte) {
clen += ptr2cells(p + l);
l += (*mb_ptr2len)(p + l) - 1;
} else {
clen += byte2cells(p[l]);
}
}
assert(row <= INT_MAX && col <= INT_MAX);
grid_puts_len(&default_grid, p, l, (int)row, (int)col,
*p == '<' ? HL_ATTR(HLF_8) : attr);
col += clen;
}
}
/// ":intro": clear screen, display intro screen and wait for return.
///
/// @param eap
void ex_intro(exarg_T *eap)
{
screenclear();
intro_message(TRUE);
wait_return(TRUE);
}
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