diff options
Diffstat (limited to 'runtime/doc/eval.txt')
-rw-r--r-- | runtime/doc/eval.txt | 131 |
1 files changed, 80 insertions, 51 deletions
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt index 44f2b3688c..2a73590c76 100644 --- a/runtime/doc/eval.txt +++ b/runtime/doc/eval.txt @@ -22,6 +22,8 @@ done, the features in this document are not available. See |+eval| and There are six types of variables: Number A 32 or 64 bit signed number. |expr-number| *Number* + 64-bit Number is available only when compiled with the + |+num64| feature. Examples: -123 0x10 0177 0b1011 Float A floating point number. |floating-point-format| *Float* @@ -887,6 +889,11 @@ When dividing a Number by zero the result depends on the value: <0 / 0 = -0x7fffffff (like negative infinity) (before Vim 7.2 it was always 0x7fffffff) +When 64-bit Number support is enabled: + 0 / 0 = -0x8000000000000000 (like NaN for Float) + >0 / 0 = 0x7fffffffffffffff (like positive infinity) + <0 / 0 = -0x7fffffffffffffff (like negative infinity) + When the righthand side of '%' is zero, the result is 0. None of these work for |Funcref|s. @@ -1936,16 +1943,23 @@ argidx() Number current index in the argument list arglistid([{winnr} [, {tabnr}]]) Number argument list id argv({nr}) String {nr} entry of the argument list argv() List the argument list -assert_equal({exp}, {act} [, {msg}]) none assert {exp} is equal to {act} -assert_exception( {error} [, {msg}]) none assert {error} is in v:exception -assert_fails( {cmd} [, {error}]) none assert {cmd} fails -assert_false({actual} [, {msg}]) none assert {actual} is false +assert_equal({exp}, {act} [, {msg}]) + none assert {exp} is equal to {act} +assert_exception({error} [, {msg}]) + none assert {error} is in v:exception +assert_fails({cmd} [, {error}]) none assert {cmd} fails +assert_false({actual} [, {msg}]) + none assert {actual} is false assert_inrange({lower}, {upper}, {actual} [, {msg}]) none assert {actual} is inside the range -assert_match( {pat}, {text} [, {msg}]) none assert {pat} matches {text} -assert_notequal( {exp}, {act} [, {msg}]) none assert {exp} is not equal {act} -assert_notmatch( {pat}, {text} [, {msg}]) none assert {pat} not matches {text} -assert_true({actual} [, {msg}]) none assert {actual} is true +assert_match({pat}, {text} [, {msg}]) + none assert {pat} matches {text} +assert_notequal({exp}, {act} [, {msg}]) + none assert {exp} is not equal {act} +assert_notmatch({pat}, {text} [, {msg}]) + none assert {pat} not matches {text} +assert_report({msg}) none report a test failure +assert_true({actual} [, {msg}]) none assert {actual} is true asin({expr}) Float arc sine of {expr} atan({expr}) Float arc tangent of {expr} atan2({expr}, {expr}) Float arc tangent of {expr1} / {expr2} @@ -2501,6 +2515,9 @@ assert_notmatch({pattern}, {actual} [, {msg}]) The opposite of `assert_match()`: add an error message to |v:errors| when {pattern} matches {actual}. +assert_report({msg}) *assert_report()* + Report a test failure directly, using {msg}. + assert_true({actual} [, {msg}]) *assert_true()* When {actual} is not true an error message is added to |v:errors|, like with |assert_equal()|. @@ -2845,8 +2862,6 @@ confirm({msg} [, {choices} [, {default} [, {type}]]]) Confirm() offers the user a dialog, from which a choice can be made. It returns the number of the choice. For the first choice this is 1. - Note: confirm() is only supported when compiled with dialog - support, see |+dialog_con| and |+dialog_gui|. {msg} is displayed in a |dialog| with {choices} as the alternatives. When {choices} is missing or empty, "&OK" is @@ -3538,17 +3553,19 @@ float2nr({expr}) *float2nr()* decimal point. {expr} must evaluate to a |Float| or a Number. When the value of {expr} is out of range for a |Number| the - result is truncated to 0x7fffffff or -0x7fffffff. NaN results - in -0x80000000. + result is truncated to 0x7fffffff or -0x7fffffff (or when + 64-bit Number support is enabled, 0x7fffffffffffffff or + -0x7fffffffffffffff. NaN results in -0x80000000 (or when + 64-bit Number support is enabled, -0x8000000000000000). Examples: > echo float2nr(3.95) < 3 > echo float2nr(-23.45) < -23 > echo float2nr(1.0e100) -< 2147483647 > +< 2147483647 (or 9223372036854775807) > echo float2nr(-1.0e150) -< -2147483647 > +< -2147483647 (or -9223372036854775807) > echo float2nr(1.0e-100) < 0 @@ -3634,11 +3651,14 @@ foldtext() Returns a String, to be displayed for a closed fold. This is |v:foldstart|, |v:foldend| and |v:folddashes| variables. The returned string looks like this: > +-- 45 lines: abcdef -< The number of dashes depends on the foldlevel. The "45" is - the number of lines in the fold. "abcdef" is the text in the - first non-blank line of the fold. Leading white space, "//" - or "/*" and the text from the 'foldmarker' and 'commentstring' - options is removed. +< The number of leading dashes depends on the foldlevel. The + "45" is the number of lines in the fold. "abcdef" is the text + in the first non-blank line of the fold. Leading white space, + "//" or "/*" and the text from the 'foldmarker' and + 'commentstring' options is removed. + When used to draw the actual foldtext, the rest of the line + will be filled with the fold char from the 'fillchars' + setting. {not available when compiled without the |+folding| feature} foldtextresult({lnum}) *foldtextresult()* @@ -4883,9 +4903,9 @@ jobstart({cmd}[, {opts}]) {Nvim} *jobstart()* unless cmd[0] is some form of "cmd.exe". {opts} is a dictionary with these keys: - on_stdout: stdout event handler (function name or |Funcref|) - on_stderr: stderr event handler (function name or |Funcref|) - on_exit : exit event handler (function name or |Funcref|) + |on_stdout|: stdout event handler (function name or |Funcref|) + |on_stderr|: stderr event handler (function name or |Funcref|) + |on_exit| : exit event handler (function name or |Funcref|) cwd : Working directory of the job; defaults to |current-directory|. rpc : If set, |msgpack-rpc| will be used to communicate @@ -6462,11 +6482,20 @@ serverlist() *serverlist()* nvim --cmd "echo serverlist()" --cmd "q" < serverstart([{address}]) *serverstart()* - Opens a named pipe or TCP socket at {address} for clients to - connect to and returns {address}. If no address is given, it - is equivalent to: > + Opens a TCP socket (IPv4/IPv6), Unix domain socket (Unix), + or named pipe (Windows) at {address} for clients to connect + to and returns {address}. + + If {address} contains `:`, a TCP socket is used. Everything in + front of the last occurrence of `:` is the IP or hostname, + everything after it the port. If the port is empty or `0`, + a random port will be assigned. + + If no address is given, it is equivalent to: > :call serverstart(tempname()) + < |$NVIM_LISTEN_ADDRESS| is set to {address} if not already set. + *--servername* The Vim command-line option `--servername` can be imitated: > nvim --cmd "let g:server_addr = serverstart('foo')" @@ -6712,6 +6741,8 @@ setreg({regname}, {value} [, {options}]) used as the width of the selection - if it is not specified then the width of the block is set to the number of characters in the longest line (counting a <Tab> as 1 character). + If {options} contains "u" or '"', then the unnamed register is + set to point to register {regname}. If {options} contains no register settings, then the default is to use character mode unless {value} ends in a <NL> for @@ -6856,6 +6887,21 @@ sinh({expr}) *sinh()* :echo sinh(-0.9) < -1.026517 +sockconnect({mode}, {address}, {opts}) *sockconnect()* + Connect a socket to an address. If {mode} is "pipe" then + {address} should be the path of a named pipe. If {mode} is + "tcp" then {address} should be of the form "host:port" where + the host should be an ip adderess or host name, and port the + port number. Currently only rpc sockets are supported, so + {opts} must be passed with "rpc" set to |TRUE|. + + {opts} is a dictionary with these keys: + rpc : If set, |msgpack-rpc| will be used to communicate + over the socket. + Returns: + - The channel ID on success, which is used by + |rpcnotify()| and |rpcrequest()| and |rpcstop()|. + - 0 on invalid arguments or connection failure. sort({list} [, {func} [, {dict}]]) *sort()* *E702* Sort the items in {list} in-place. Returns {list}. @@ -7959,7 +8005,10 @@ winwidth({nr}) *winwidth()* :if winwidth(0) <= 50 : exe "normal 50\<C-W>|" :endif -< +< For getting the terminal or screen size, see the 'columns' + option. + + wordcount() *wordcount()* The result is a dictionary of byte/chars/word statistics for the current buffer. This is the same info as provided by @@ -8030,7 +8079,7 @@ There are four types of features: :if has("cindent") 2. Features that are only supported when certain conditions have been met. Example: > - :if has("gui_running") + :if has("win32") < *has-patch* 3. {Nvim} version. The "nvim-1.2.3" feature means that the Nvim version is 1.2.3 or later. Example: > @@ -8065,17 +8114,14 @@ browse Compiled with |:browse| support, and browse() will browsefilter Compiled with support for |browsefilter|. byte_offset Compiled with support for 'o' in 'statusline' cindent Compiled with 'cindent' support. -clientserver Compiled with remote invocation support |clientserver|. clipboard Compiled with 'clipboard' support. cmdline_compl Compiled with |cmdline-completion| support. cmdline_hist Compiled with |cmdline-history| support. cmdline_info Compiled with 'showcmd' and 'ruler' support. comments Compiled with |'comments'| support. -compatible Compiled to be very Vi compatible. cscope Compiled with |cscope| support. debug Compiled with "DEBUG" defined. dialog_con Compiled with console dialog support. -dialog_gui Compiled with GUI dialog support. digraphs Compiled with support for digraphs. eval Compiled with expression evaluation support. Always true, of course! @@ -8093,9 +8139,6 @@ fname_case Case in file names matters (for Windows this is not present). folding Compiled with |folding| support. gettext Compiled with message translation |multi-lang| -gui Compiled with GUI enabled. -gui_running Vim is running in the GUI, or it will start soon. -gui_win32 Compiled with MS Windows Win32 GUI. iconv Can use iconv() for conversion. insert_expand Compiled with support for CTRL-X expansion commands in Insert mode. @@ -8110,8 +8153,7 @@ lispindent Compiled with support for lisp indenting. listcmds Compiled with commands for the buffer list |:files| and the argument list |arglist|. localmap Compiled with local mappings and abbr. |:map-local| -mac Macintosh version of Vim. -macunix Macintosh version of Vim, using Unix files (OS-X). +mac macOS version of Vim. menu Compiled with support for |:menu|. mksession Compiled with support for |:mksession|. modify_fname Compiled with file name modifiers. |filename-modifiers| @@ -8119,17 +8161,16 @@ mouse Compiled with support mouse. mouseshape Compiled with support for 'mouseshape'. multi_byte Compiled with support for 'encoding' multi_byte_encoding 'encoding' is set to a multi-byte encoding. -multi_byte_ime Compiled with support for IME input method. multi_lang Compiled with support for multiple languages. +num64 Compiled with 64-bit |Number| support. nvim This is Nvim. |has-patch| -ole Compiled with OLE automation support for Win32. path_extra Compiled with up/downwards search in 'path' and 'tags' persistent_undo Compiled with support for persistent undo history. postscript Compiled with PostScript file printing. printer Compiled with |:hardcopy| support. profile Compiled with |:profile| support. -python Compiled with Python 2.x interface. |has-python| -python3 Compiled with Python 3.x interface. |has-python| +python Legacy Vim Python 2.x API is available. |has-python| +python3 Legacy Vim Python 3.x API is available. |has-python| quickfix Compiled with |quickfix| support. reltime Compiled with |reltime()| support. rightleft Compiled with 'rightleft' support. @@ -8152,14 +8193,10 @@ tag_old_static Compiled with support for old static tags |tag-old-static|. tag_any_white Compiled with support for any white characters in tags files |tag-any-white|. -terminfo Compiled with terminfo instead of termcap. termresponse Compiled with support for |t_RV| and |v:termresponse|. textobjects Compiled with support for |text-objects|. -tgetent Compiled with tgetent support, able to use a termcap - or terminfo file. timers Compiled with |timer_start()| support. title Compiled with window title support |'title'|. -toolbar Compiled with support for |gui-toolbar|. unix Unix version of Vim. unnamedplus Compiled with support for "unnamedplus" in 'clipboard' user_commands User-defined commands. @@ -8174,17 +8211,9 @@ vreplace Compiled with |gR| and |gr| commands. wildignore Compiled with 'wildignore' option. wildmenu Compiled with 'wildmenu' option. win32 Windows version of Vim (32 or 64 bit). -win32unix Windows version of Vim, using Unix files (Cygwin). -win64 Windows version of Vim (64 bit). winaltkeys Compiled with 'winaltkeys' option. windows Compiled with support for more than one window. writebackup Compiled with 'writebackup' default on. -xfontset Compiled with X fontset support |xfontset|. -xim Compiled with X input method support |xim|. -xpm Compiled with pixmap support. -xpm_w32 Compiled with pixmap support for Win32. (Only for - backward compatibility. Use "xpm" instead.) -x11 Compiled with X11 support. *string-match* Matching a pattern in a String |