*quickfix.txt* For Vim version 7.1. Last change: 2007 May 10
VIM REFERENCE MANUAL by Bram Moolenaar
This subject is introduced in section |30.1| of the user manual.
1. Using QuickFix commands |quickfix|
2. The error window |quickfix-window|
3. Using more than one list of errors |quickfix-error-lists|
4. Using :make |:make_makeprg|
5. Using :grep |grep|
6. Selecting a compiler |compiler-select|
7. The error format |error-file-format|
8. The directory stack |quickfix-directory-stack|
9. Specific error file formats |errorformats|
{Vi does not have any of these commands}
The quickfix commands are not available when the |+quickfix| feature was
disabled at compile time.
=============================================================================
1. Using QuickFix commands *quickfix* *Quickfix* *E42*
Vim has a special mode to speedup the edit-compile-edit cycle. This is
inspired by the quickfix option of the Manx's Aztec C compiler on the Amiga.
The idea is to save the error messages from the compiler in a file and use Vim
to jump to the errors one by one. You can examine each problem and fix it,
without having to remember all the error messages.
In Vim the quickfix commands are used more generally to find a list of
positions in files. For example, |:vimgrep| finds pattern matches. You can
use the positions in a script with the |getqflist()| function. Thus you can
do a lot more than the edit/compile/fix cycle!
If you are using Manx's Aztec C compiler on the Amiga look here for how to use
it with Vim: |quickfix-manx|. If you are using another compiler you should
save the error messages in a file and start Vim with "vim -q filename". An
easy way to do this is with the |:make| command (see below). The
'errorformat' option should be set to match the error messages from your
compiler (see |errorformat| below).
*location-list* *E776*
A location list is similar to a quickfix list and contains a list of positions
in files. A location list is associated with a window and each window can
have a separate location list. A location list can be associated with only
one window. The location list is independent of the quickfix list.
When a window with a location list is split, the new window gets a copy of the
location list. When there are no references to a location list, the location
list is destroyed.
The following quickfix commands can be used. The location list commands are
similar to the quickfix commands, replacing the 'c' prefix in the quickfix
command with 'l'.
*:cc*
:cc[!] [nr] Display error [nr]. If [nr] is omitted, the same
error is displayed again. Without [!] this doesn't
work when jumping to another buffer, the current buffer
has been changed, there is the only window for the
buffer and both 'hidden' and 'autowrite' are off.
When jumping to another buffer with [!] any changes to
the current buffer are lost, unless 'hidden' is set or
there is another window for this buffer.
The 'switchbuf' settings are respected when jumping
to a buffer.
*:ll*
:ll[!] [nr] Same as ":cc", except the location list for the
current window is used instead of the quickfix list.
*:cn* *:cnext* *E553*
:[count]cn[ext][!] Display the [count] next error in the list that
includes a file name. If there are no file names at
all, go to the [count] next error. See |:cc| for
[!] and 'switchbuf'.
*:lne* *:lnext*
:[count]lne[xt][!] Same as ":cnext", except the location list for the
current window is used instead of the quickfix list.
:[count]cN[ext][!] *:cp* *:cprevious* *:cN* *:cNext*
:[count]cp[revious][!] Display the [count] previous error in the list that
includes a file name. If there are no file names at
all, go to the [count] previous error. See |:cc| for
[!] and 'switchbuf'.
:[count]lN[ext][!] *:lp* *:lprevious* *:lN* *:lNext*
:[count]lp[revious][!] Same as ":cNext" and ":cprevious", except the location
list for the current window is used instead of the
quickfix list.
*:cnf* *:cnfile*
:[count]cnf[ile][!] Display the first error in the [count] next file in
the list that includes a file name. If there are no
file names at all or if there is no next file, go to
the [count] next error. See |:cc| for [!] and
'switchbuf'.
*:lnf* *:lnfile*
:[count]lnf[ile][!] Same as ":cnfile", except the location list for the
current window is used instead of the quickfix list.
:[count]cNf[ile][!] *:cpf* *:cpfile* *:cNf* *:cNfile*
:[count]cpf[ile][!] Display the last error in the [count] previous file in
the list that includes a file name. If there are no
file names at all or if there is no next file, go to
the [count] previous error. See |:cc| for [!] and
'switchbuf'.
:[count]lNf[ile][!] *:lpf* *:lpfile* *:lNf* *:lNfile*
:[count]lpf[ile][!] Same as ":cNfile" and ":cpfile", except the location
list for the current window is used instead of the
quickfix list.
*:crewind* *:cr*
:cr[ewind][!] [nr] Display error [nr]. If [nr] is omitted, the FIRST
error is displayed. See |:cc|.
*:lrewind* *:lr*
:lr[ewind][!] [nr] Same as ":crewind", except the location list for the
current window is used instead of the quickfix list.
*:cfirst* *:cfir*
:cfir[st][!] [nr] Same as ":crewind".
*:lfirst* *:lfir*
:lfir[st][!] [nr] Same as ":lrewind".
*:clast* *:cla*
:cla[st][!] [nr] Display error [nr]. If [nr] is omitted, the LAST
error is displayed. See |:cc|.
*:llast* *:lla*
:lla[st][!] [nr] Same as ":clast", except the location list for the
current window is used instead of the quickfix list.
*:cq* *:cquit*
:cq[uit] Quit Vim with an error code, so that the compiler
will not compile the same file again.
*:cf* *:cfile*
:cf[ile][!] [errorfile] Read the error file and jump to the first error.
This is done automatically when Vim is started with
the -q option. You can use this command when you
keep Vim running while compiling. If you give the
name of the errorfile, the 'errorfile' option will
be set to [errorfile]. See |:cc| for [!].
*:lf* *:lfile*
:lf[ile][!] [errorfile] Same as ":cfile", except the location list for the
current window is used instead of the quickfix list.
You can not use the -q command-line option to set
the location list.
:cg[etfile][!] [errorfile] *:cg* *:cgetfile*
Read the error file. Just like ":cfile" but don't
jump to the first error.
:lg[etfile][!] [errorfile] *:lg* *:lgetfile*
Same as ":cgetfile", except the location list for the
current window is used instead of the quickfix list.
*:caddf* *:caddfile*
:caddf[ile] [errorfile] Read the error file and add the errors from the
errorfile to the current quickfix list. If a quickfix
list is not present, then a new list is created.
*:laddf* *:laddfile*
:laddf[ile] [errorfile] Same as ":caddfile", except the location list for the
current window is used instead of the quickfix list.
*:cb* *:cbuffer* *E681*
:cb[uffer][!] [bufnr] Read the error list from the current buffer.
When [bufnr] is given it must be the number of a
loaded buffer. That buffer will then be used instead
of the current buffer.
A range can be specified for the lines to be used.
Otherwise all lines in the buffer are used.
See |:cc| for [!].
*:lb* *:lbuffer*
:lb[uffer][!] [bufnr] Same as ":cbuffer", except the location list for the
current window is used instead of the quickfix list.
*:cgetb* *:cgetbuffer*
:cgetb[uffer] [bufnr] Read the error list from the current buffer. Just
like ":cbuffer" but don't jump to the first error.
*:lgetb* *:lgetbuffer*
:lgetb[uffer] [bufnr] Same as ":cgetbuffer", except the location list for
the current window is used instead of the quickfix
list.
*:caddb* *:caddbuffer*
:caddb[uffer] [bufnr] Read the error list from the current buffer and add
the errors to the current quickfix list. If a
quickfix list is not present, then a new list is
created. Otherwise, same as ":cbuffer".
*:laddb* *:laddbuffer*
:laddb[uffer] [bufnr] Same as ":caddbuffer", except the location list for
the current window is used instead of the quickfix
list.
*:cex* *:cexpr* *E777*
:cex[pr][!] {expr} Create a quickfix list using the result of {expr} and
jump to the first error. If {expr} is a String, then
each new-line terminated line in the String is
processed using 'errorformat' and the result is added
to the quickfix list. If {expr} is a List, then each
String item in the list is processed and added to the
quickfix list. Non String items in the List are
ignored. See |:cc|
for [!].
Examples: >
:cexpr system('grep -n xyz *')
:cexpr getline(1, '$')
<
*:lex* *:lexpr*
:lex[pr][!] {expr} Same as ":cexpr", except the location list for the
current window is used instead of the quickfix list.
*:cgete* *:cgetexpr*
:cgete[xpr][!] {expr} Create a quickfix list using the result of {expr}.
Just like ":cexpr", but don't jump to the first error.
*:lgete* *:lgetexpr*
:lgete[xpr][!] {expr} Same as ":cgetexpr", except the location list for the
current window is used instead of the quickfix list.
*:cad* *:caddexpr*
:cad[dexpr][!] {expr} Evaluate {expr} and add the resulting lines to the
current quickfix list. If a quickfix list is not
present, then a new list is created. The current
cursor position will not be changed. See |:cexpr| for
more information.
Example: >
:g/mypattern/caddexpr expand("%") . ":" . line(".") . ":" . getline(".")
<
*:lad* *:laddexpr*
:lad[dexpr][!] {expr} Same as ":caddexpr", except the location list for the
current window is used instead of the quickfix list.
*:cl* *:clist*
:cl[ist] [from] [, [to]]
List all errors that are valid |quickfix-valid|.
If numbers [from] and/or [to] are given, the respective
range of errors is listed. A negative number counts
from the last error backwards, -1 being the last error.
The 'switchbuf' settings are respected when jumping
to a buffer.
:cl[ist]! [from] [, [to]]
List all errors.
*:lli* *:llist*
:lli[st] [from] [, [to]]
Same as ":clist", except the location list for the
current window is used instead of the quickfix list.
:lli[st]! [from] [, [to]]
List all the entries in the location list for the
current window.
If you insert or delete lines, mostly the correct error location is still
found because hidden marks are used. Sometimes, when the mark has been
deleted for some reason, the message "line changed" is shown to warn you that
the error location may not be correct. If you quit Vim and start again the
marks are lost and the error locations may not be correct anymore.
If vim is built with |+autocmd| support, two autocommands are available for
running commands before and after a quickfix command (':make', ':grep' and so
on) is executed. See |QuickFixCmdPre| and |QuickFixCmdPost| for details.
=============================================================================
2. The error window *quickfix-window*
*:cope* *:copen*
:cope[n] [height] Open a window to show the current list of errors.
When [height] is given, the window becomes that high
(if there is room). Otherwise the window is made ten
lines high.
The window will contain a special buffer, with
'buftype' equal to "quickfix". Don't change this!
If there already is a quickfix window, it will be made
the current window. It is not possible to open a
second quickfix window.
*:lop* *:lopen*
:lop[en] [height] Open a window to show the location list for the
current window. Works only when the location list for
the current window is present. You can have more than
one location window opened at a time. Otherwise, it
acts the same as ":copen".
*:ccl* *:cclose*
:ccl[ose] Close the quickfix window.
*:lcl* *:lclose*
:lcl[ose] Close the window showing the location list for the
current window.
*:cw* *:cwindow*
:cw[indow] [height] Open the quickfix window when there are recognized
errors. If the window is already open and there are
no recognized errors, close the window.
*:lw* *:lwindow*
:lw[indow] [height] Same as ":cwindow", except use the window showing the
location list for the current window.
Normally the quickfix window is at the bottom of the screen. If there are
vertical splits, it's at the bottom of the rightmost column of windows. To
make it always occupy the full width: >
:botright cwindow
You can move the window around with |window-moving| commands.
For example, to move it to the top: CTRL-W K
The 'winfixheight' option will be set, which means that the window will mostly
keep its height, ignoring 'winheight' and 'equalalways'. You can change the
height manually (e.g., by dragging the status line above it with the mouse).
In the quickfix window, each line is one error. The line number is equal to
the error number. You can use ":.cc" to jump to the error under the cursor.
Hitting the <Enter> key or double-clicking the mouse on a line has the same
effect. The file containing the error is opened in the window above the
quickfix window. If there already is a window for that file, it is used
instead. If the buffer in the used window has changed, and the error is in
another file, jumping to the error will fail. You will first have to make
sure the window contains a buffer which can be abandoned.
*CTRL-W_<Enter>* *CTRL-W_<CR>*
You can use CTRL-W <Enter> to open a new window and jump to the error there.
When the quickfix window has been filled, two autocommand events are
triggered. First the 'filetype' option is set to "qf", which triggers the
FileType event. Then the BufReadPost event is triggered, using "quickfix" for
the buffer name. This can be used to perform some action on the listed
errors. Example: >
au BufReadPost quickfix setlocal modifiable
\ | silent exe 'g/^/s//\=line(".")." "/'
\ | setlocal nomodifiable
This prepends the line number to each line. Note the use of "\=" in the
substitute string of the ":s" command, which is used to evaluate an
expression.
The BufWinEnter event is also triggered, again using "quickfix" for the buffer
name.
Note: Making changes in the quickfix window has no effect on the list of
errors. 'modifiable' is off to avoid making changes. If you delete or insert
lines anyway, the relation between the text and the error number is messed up.
If you really want to do this, you could write the contents of the quickfix
window to a file and use ":cfile" to have it parsed and used as the new error
list.
*location-list-window*
The location list window displays the entries in a location list. When you
open a location list window, it is created below the current window and
displays the location list for the current window. The location list window
is similar to the quickfix window, except that you can have more than one
location list window open at a time. When you use a location list command in
this window, the displayed location list is used.
When you select a file from the location list window, the following steps are
used to find a window to edit the file:
1. If a window with the location list displayed in the location list window is
present, then the file is opened in that window.
2. If the above step fails and if the file is already opened in another
window, then that window is used.
3. If the above step fails then an existing window showing a buffer with
'buftype' not set is used.
4. If the above step fails, then the file is edited in a new window.
In all of the above cases, if the location list for the selected window is not
yet set, then it is set to the location list displayed in the location list
window.
=============================================================================
3. Using more than one list of errors *quickfix-error-lists*
So far has been assumed that there is only one list of errors. Actually the
ten last used lists are remembered. When starting a new list, the previous
ones are automatically kept. Two commands can be used to access older error
lists. They set one of the existing error lists as the current one.
*:colder* *:col* *E380*
:col[der] [count] Go to older error list. When [count] is given, do
this [count] times. When already at the oldest error
list, an error message is given.
*:lolder* *:lol*
:lol[der] [count] Same as ":colder", except use the location list for
the current window instead of the quickfix list.
*:cnewer* *:cnew* *E381*
:cnew[er] [count] Go to newer error list. When [count] is given, do
this [count] times. When already at the newest error
list, an error message is given.
*:lnewer* *:lnew*
:lnew[er] [count] Same as ":cnewer", except use the location list for
the current window instead of the quickfix list.
When adding a new error list, it becomes the current list.
When ":colder" has been used and ":make" or ":grep" is used to add a new error
list, one newer list is overwritten. This is especially useful if you are
browsing with ":grep" |grep|. If you want to keep the more recent error
lists, use ":cnewer 99" first.
=============================================================================
4. Using :make *:make_makeprg*
*:mak* *:make*
:mak[e][!] [arguments] 1. If vim was built with |+autocmd|, all relevant
|QuickFixCmdPre| autocommands are executed.
2. If the 'autowrite' option is on, write any changed
buffers
3. An errorfile name is made from 'makeef'. If
'makeef' doesn't contain "##", and a file with this
name already exists, it is deleted.
4. The program given with the 'makeprg' option is
started (default "make") with the optional
[arguments] and the output is saved in the
errorfile (for Unix it is also echoed on the
screen).
5. The errorfile is read using 'errorformat'.
6. If vim was built with |+autocmd|, all relevant
|QuickFixCmdPost| autocommands are executed.
7. If [!] is not given the first error is jumped to.
8. The errorfile is deleted.
9. You can now move through the errors with commands
like |:cnext| and |:cprevious|, see above.
This command does not accept a comment, any "
characters are considered part of the arguments.
*:lmak* *:lmake*
:lmak[e][!] [arguments]
Same as ":make", except the location list for the
current window is used instead of the quickfix list.
The ":make" command executes the command given with the 'makeprg' option.
This is done by passing the command to the shell given with the 'shell'
option. This works almost like typing
":!{makeprg} [arguments] {shellpipe} {errorfile}".
{makeprg} is the string given with the 'makeprg' option. Any command can be
used, not just "make". Characters '%' and '#' are expanded as usual on a
command-line. You can use "%<" to insert the current file name without
extension, or "#<" to insert the alternate file name without extension, for
example: >
:set makeprg=make\ #<.o
[arguments] is anything that is typed after ":make".
{shellpipe} is the 'shellpipe' option.
{errorfile} is the 'makeef' option, with ## replaced to make it unique.
The placeholder "$*" can be used for the argument list in {makeprog} if the
command needs some additional characters after its arguments. The $* is
replaced then by all arguments. Example: >
:set makeprg=latex\ \\\\nonstopmode\ \\\\input\\{$*}
or simpler >
:let &mp = 'latex \\nonstopmode \\input\{$*}'
"$*" can be given multiple times, for example: >
:set makeprg=gcc\ -o\ $*\ $*
The 'shellpipe' option defaults to ">" for the Amiga, MS-DOS and Win32. This
means that the output of the compiler is saved in a file and not shown on the
screen directly. For Unix "| tee" is used. The compiler output is shown on
the screen and saved in a file the same time. Depending on the shell used
"|& tee" or "2>&1| tee" is the default, so stderr output will be included.
If 'shellpipe' is empty, the {errorfile} part will be omitted. This is useful
for compilers that write to an errorfile themselves (e.g., Manx's Amiga C).
==============================================================================
5. Using :vimgrep and :grep *grep* *lid*
Vim has two ways to find matches for a pattern: Internal and external. The
advantage of the internal grep is that it works on all systems and uses the
powerful Vim search patterns. An external grep program can be used when the
Vim grep does not do what you want.
The internal method will be slower, because files are read into memory. The
advantages are:
- Line separators and encoding are automatically recognized, as if a file is
being edited.
- Uses Vim search patterns. Multi-line patterns can be used.
- When plugins are enabled: compressed and remote files can be searched.
|gzip| |netrw|
To be able to do this Vim loads each file as if it is being edited. When
there is no match in the file the associated buffer is wiped out again. The
'hidden' option is ignored here to avoid running out of memory or file
descriptors when searching many files. However, when the |:hide| command
modifier is used the buffers are kept loaded. This makes following searches
in the same files a lot faster.
5.1 using Vim's internal grep
*:vim* *:vimgrep* *E682* *E683*
:vim[grep][!] /{pattern}/[g][j] {file} ...
Search for {pattern} in the files {file} ... and set
the error list to the matches.
Without the 'g' flag each line is added only once.
With 'g' every match is added.
{pattern} is a Vim search pattern. Instead of
enclosing it in / any non-ID character (see
|'isident'|) can be used, so long as it does not
appear in {pattern}.
'ignorecase' applies. To overrule it put |/\c| in the
pattern to ignore case or |/\C| to match case.
'smartcase' is not used.
When a number is put before the command this is used
as the maximum number of matches to find. Use
":1vimgrep pattern file" to find only the first.
Useful if you only want to check if there is a match
and quit quickly when it's found.
Without the 'j' flag Vim jumps to the first match.
With 'j' only the quickfix list is updated.
With the [!] any changes in the current buffer are
abandoned.
Every second or so the searched file name is displayed
to give you an idea of the progress made.
Examples: >
:vimgrep /an error/ *.c
:vimgrep /\<FileName\>/ *.h include/*
:vimgrep /myfunc/ **/*.c
< For the use of "**" see |starstar-wildcard|.
:vim[grep][!] {pattern} {file} ...
Like above, but instead of enclosing the pattern in a
non-ID character use a white-separated pattern. The
pattern must start with an ID character.
Example: >
:vimgrep Error *.c
<
*:lv* *:lvimgrep*
:lv[imgrep][!] /{pattern}/[g][j] {file} ...
:lv[imgrep][!] {pattern} {file} ...
Same as ":vimgrep", except the location list for the
current window is used instead of the quickfix list.
*:vimgrepa* *:vimgrepadd*
:vimgrepa[dd][!] /{pattern}/[g][j] {file} ...
:vimgrepa[dd][!] {pattern} {file} ...
Just like ":vimgrep", but instead of making a new list
of errors the matches are appended to the current
list.
*:lvimgrepa* *:lvimgrepadd*
:lvimgrepa[dd][!] /{pattern}/[g][j] {file} ...
:lvimgrepa[dd][!] {pattern} {file} ...
Same as ":vimgrepadd", except the location list for
the current window is used instead of the quickfix
list.
5.2 External grep
Vim can interface with "grep" and grep-like programs (such as the GNU
id-utils) in a similar way to its compiler integration (see |:make| above).
[Unix trivia: The name for the Unix "grep" command comes from ":g/re/p", where
"re" stands for Regular Expression.]
*:gr* *:grep*
:gr[ep][!] [arguments] Just like ":make", but use 'grepprg' instead of
'makeprg' and 'grepformat' instead of 'errorformat'.
When 'grepprg' is "internal" this works like
|:vimgrep|. Note that the pattern needs to be
enclosed in separator characters then.
*:lgr* *:lgrep*
:lgr[ep][!] [arguments] Same as ":grep", except the location list for the
current window is used instead of the quickfix list.
*:grepa* *:grepadd*
:grepa[dd][!] [arguments]
Just like ":grep", but instead of making a new list of
errors the matches are appended to the current list.
Example: >
:grep nothing %
:bufdo grepadd! something %
< The first command makes a new error list which is
empty. The second command executes "grepadd" for each
listed buffer. Note the use of ! to avoid that
":grepadd" jumps to the first error, which is not
allowed with |:bufdo|.
*:lgrepa* *:lgrepadd*
:lgrepa[dd][!] [arguments]
Same as ":grepadd", except the location list for the
current window is used instead of the quickfix list.
5.3 Setting up external grep
If you have a standard "grep" program installed, the :grep command may work
well with the defaults. The syntax is very similar to the standard command: >
:grep foo *.c
Will search all files with the .c extension for the substring "foo". The
arguments to :grep are passed straight to the "grep" program, so you can use
whatever options your "grep" supports.
By default, :grep invokes grep with the -n option (show file and line
numbers). You can change this with the 'grepprg' option. You will need to set
'grepprg' if:
a) You are using a program that isn't called "grep"
b) You have to call grep with a full path
c) You want to pass other options automatically (e.g. case insensitive
search.)
Once "grep" has executed, Vim parses the results using the 'grepformat'
option. This option works in the same way as the 'errorformat' option - see
that for details. You may need to change 'grepformat' from the default if
your grep outputs in a non-standard format, or you are using some other
program with a special format.
Once the results are parsed, Vim loads the first file containing a match and
jumps to the appropriate line, in the same way that it jumps to a compiler
error in |quickfix| mode. You can then use the |:cnext|, |:clist|, etc.
commands to see the other matches.
5.4 Using :grep with id-utils
You can set up :grep to work with the GNU id-utils like this: >
:set grepprg=lid\ -Rgrep\ -s
:set grepformat=%f:%l:%m
then >
:grep (regexp)
works just as you'd expect.
(provided you remembered to mkid first :)
5.5 Browsing source code with :vimgrep or :grep
Using the stack of error lists that Vim keeps, you can browse your files to
look for functions and the functions they call. For example, suppose that you
have to add an argument to the read_file() function. You enter this command: >
:vimgrep /\<read_file\>/ *.c
You use ":cn" to go along the list of matches and add the argument. At one
place you have to get the new argument from a higher level function msg(), and
need to change that one too. Thus you use: >
:vimgrep /\<msg\>/ *.c
While changing the msg() functions, you find another function that needs to
get the argument from a higher level. You can again use ":vimgrep" to find
these functions. Once you are finished with one function, you can use >
:colder
to go back to the previous one.
This works like browsing a tree: ":vimgrep" goes one level deeper, creating a
list of branches. ":colder" goes back to the previous level. You can mix
this use of ":vimgrep" and "colder" to browse all the locations in a tree-like
way. If you do this consistently, you will find all locations without the
need to write down a "todo" list.
=============================================================================
6. Selecting a compiler *compiler-select*
*:comp* *:compiler* *E666*
:comp[iler][!] {name} Set options to work with compiler {name}.
Without the "!" options are set for the
current buffer. With "!" global options are
set.
If you use ":compiler foo" in "file.foo" and
then ":compiler! bar" in another buffer, Vim
will keep on using "foo" in "file.foo".
{not available when compiled without the
|+eval| feature}
The Vim plugins in the "compiler" directory will set options to use the
selected compiler. For ":compiler" local options are set, for ":compiler!"
global options.
*current_compiler*
To support older Vim versions, the plugins always use "current_compiler" and
not "b:current_compiler". What the command actually does is the following:
- Delete the "current_compiler" and "b:current_compiler" variables.
- Define the "CompilerSet" user command. With "!" it does ":set", without "!"
it does ":setlocal".
- Execute ":runtime! compiler/{name}.vim". The plugins are expected to set
options with "CompilerSet" and set the "current_compiler" variable to the
name of the compiler.
- Delete the "CompilerSet" user command.
- Set "b:current_compiler" to the value of "current_compiler".
- Without "!" the old value of "current_compiler" is restored.
For writing a compiler plugin, see |write-compiler-plugin|.
GCC *quickfix-gcc* *compiler-gcc*
There's one variable you can set for the GCC compiler:
g:compiler_gcc_ignore_unmatched_lines
Ignore lines that don't match any patterns
defined for GCC. Useful if output from
commands run from make are generating false
positives.
MANX AZTEC C *quickfix-manx* *compiler-manx*
To use Vim with Manx's Aztec C compiler on the Amiga you should do the
following:
- Set the CCEDIT environment variable with the command: >
mset "CCEDIT=vim -q"
- Compile with the -qf option. If the compiler finds any errors, Vim is
started and the cursor is positioned on the first error. The error message
will be displayed on the last line. You can go to other errors with the
commands mentioned above. You can fix the errors and write the file(s).
- If you exit Vim normally the compiler will re-compile the same file. If you
exit with the :cq command, the compiler will terminate. Do this if you
cannot fix the error, or if another file needs to be compiled first.
There are some restrictions to the Quickfix mode on the Amiga. The
compiler only writes the first 25 errors to the errorfile (Manx's
documentation does not say how to get more). If you want to find the others,
you will have to fix a few errors and exit the editor. After recompiling,
up to 25 remaining errors will be found.
If Vim was started from the compiler, the :sh and some :! commands will not
work, because Vim is then running in the same process as the compiler and
stdin (standard input) will not be interactive.
PYUNIT COMPILER *compiler-pyunit*
This is not actually a compiler, but a unit testing framework for the
Python language. It is included into standard Python distribution
starting from version 2.0. For older versions, you can get it from
http://pyunit.sourceforge.net.
When you run your tests with the help of the framework, possible errors
are parsed by Vim and presented for you in quick-fix mode.
Unfortunately, there is no standard way to run the tests.
The alltests.py script seems to be used quite often, that's all.
Useful values for the 'makeprg' options therefore are:
setlocal makeprg=./alltests.py " Run a testsuite
setlocal makeprg=python % " Run a single testcase
Also see http://vim.sourceforge.net/tip_view.php?tip_id=280.
TEX COMPILER *compiler-tex*
Included in the distribution compiler for TeX ($VIMRUNTIME/compiler/tex.vim)
uses make command if possible. If the compiler finds a file named "Makefile"
or "makefile" in the current directory, it supposes that you want to process
your *TeX files with make, and the makefile does the right work. In this case
compiler sets 'errorformat' for *TeX output and leaves 'makeprg' untouched. If
neither "Makefile" nor "makefile" is found, the compiler will not use make.
You can force the compiler to ignore makefiles by defining
b:tex_ignore_makefile or g:tex_ignore_makefile variable (they are checked for
existence only).
If the compiler chose not to use make, it need to choose a right program for
processing your input. If b:tex_flavor or g:tex_flavor (in this precedence)
variable exists, it defines TeX flavor for :make (actually, this is the name
of executed command), and if both variables do not exist, it defaults to
"latex". For example, while editing chapter2.tex \input-ed from mypaper.tex
written in AMS-TeX: >
:let b:tex_flavor = 'amstex'
:compiler tex
< [editing...] >
:make mypaper
Note that you must specify a name of the file to process as an argument (to
process the right file when editing \input-ed or \include-ed file; portable
solution for substituting % for no arguments is welcome). This is not in the
semantics of make, where you specify a target, not source, but you may specify
filename without extension ".tex" and mean this as "make filename.dvi or
filename.pdf or filename.some_result_extension according to compiler".
Note: tex command line syntax is set to usable both for MikTeX (suggestion
by Srinath Avadhanula) and teTeX (checked by Artem Chuprina). Suggestion
from |errorformat-LaTeX| is too complex to keep it working for different
shells and OSes and also does not allow to use other available TeX options,
if any. If your TeX doesn't support "-interaction=nonstopmode", please
report it with different means to express \nonstopmode from the command line.
=============================================================================
7. The error format *error-file-format*
*errorformat* *E372* *E373* *E374*
*E375* *E376* *E377* *E378*
The 'errorformat' option specifies a list of formats that are recognized. The
first format that matches with an error message is used. You can add several
formats for different messages your compiler produces, or even entries for
multiple compilers. See |efm-entries|.
Each entry in 'errorformat' is a scanf-like string that describes the format.
First, you need to know how scanf works. Look in the documentation of your
C compiler. Below you find the % items that Vim understands. Others are
invalid.
Special characters in 'errorformat' are comma and backslash. See
|efm-entries| for how to deal with them. Note that a literal "%" is matched
by "%%", thus it is not escaped with a backslash.
Note: By default the difference between upper and lowercase is ignored. If
you want to match case, add "\C" to the pattern |/\C|.
Basic items
%f file name (finds a string)
%l line number (finds a number)
%c column number (finds a number representing character
column of the error, (1 <tab> == 1 character column))
%v virtual column number (finds a number representing
screen column of the error (1 <tab> == 8 screen
columns))
%t error type (finds a single character)
%n error number (finds a number)
%m error message (finds a string)
%r matches the "rest" of a single-line file message %O/P/Q
%p pointer line (finds a sequence of '-', '.' or ' ' and
uses the length for the column number)
%*{conv} any scanf non-assignable conversion
%% the single '%' character
%s search text (finds a string)
The "%f" conversion may depend on the current 'isfname' setting. "~/" is
expanded to the home directory and environment variables are expanded.
The "%f" and "%m" conversions have to detect the end of the string. This
normally happens by matching following characters and items. When nothing is
following the rest of the line is matched. If "%f" is followed by a '%' or a
backslash, it will look for a sequence of 'isfname' characters.
On MS-DOS, MS-Windows and OS/2 a leading "C:" will be included in "%f", even
when using "%f:". This means that a file name which is a single alphabetical
letter will not be detected.
The "%p" conversion is normally followed by a "^". It's used for compilers
that output a line like: >
^
or >
---------^
to indicate the column of the error. This is to be used in a multi-line error
message. See |errorformat-javac| for a useful example.
The "%s" conversion specifies the text to search for to locate the error line.
The text is used as a literal string. The anchors "^" and "$" are added to
the text to locate the error line exactly matching the search text and the
text is prefixed with the "\V" atom to make it "very nomagic". The "%s"
conversion can be used to locate lines without a line number in the error
output. Like the output of the "grep" shell command.
When the pattern is present the line number will not be used.
Changing directory
The following uppercase conversion characters specify the type of special
format strings. At most one of them may be given as a prefix at the begin
of a single comma-separated format pattern.
Some compilers produce messages that consist of directory names that have to
be prepended to each file name read by %f (example: GNU make). The following
codes can be used to scan these directory names; they will be stored in an
internal directory stack. *E379*
%D "enter directory" format string; expects a following
%f that finds the directory name
%X "leave directory" format string; expects following %f
When defining an "enter directory" or "leave directory" format, the "%D" or
"%X" has to be given at the start of that substring. Vim tracks the directory
changes and prepends the current directory to each erroneous file found with a
relative path. See |quickfix-directory-stack| for details, tips and
limitations.
Multi-line messages *errorformat-multi-line*
It is possible to read the output of programs that produce multi-line
messages, i.e. error strings that consume more than one line. Possible
prefixes are:
%E start of a multi-line error message
%W start of a multi-line warning message
%I start of a multi-line informational message
%A start of a multi-line message (unspecified type)
%> for next line start with current pattern again |efm-%>|
%C continuation of a multi-line message
%Z end of a multi-line message
These can be used with '+' and '-', see |efm-ignore| below.
Using "\n" in the pattern won't work to match multi-line messages.
Example: Your compiler happens to write out errors in the following format
(leading line numbers not being part of the actual output):
1 Error 275 ~
2 line 42 ~
3 column 3 ~
4 ' ' expected after '--' ~
The appropriate error format string has to look like this: >
:set efm=%EError\ %n,%Cline\ %l,%Ccolumn\ %c,%Z%m
And the |:clist| error message generated for this error is:
1:42 col 3 error 275: ' ' expected after '--'
Another example: Think of a Python interpreter that produces the following
error message (line numbers are not part of the actual output):
1 ==============================================================
2 FAIL: testGetTypeIdCachesResult (dbfacadeTest.DjsDBFacadeTest)
3 --------------------------------------------------------------
4 Traceback (most recent call last):
5 File "unittests/dbfacadeTest.py", line 89, in testFoo
6 self.assertEquals(34, dtid)
7 File "/usr/lib/python2.2/unittest.py", line 286, in
8 failUnlessEqual
9 raise self.failureException, \
10 AssertionError: 34 != 33
11
12 --------------------------------------------------------------
13 Ran 27 tests in 0.063s
Say you want |:clist| write the relevant information of this message only,
namely:
5 unittests/dbfacadeTest.py:89: AssertionError: 34 != 33
Then the error format string could be defined as follows: >
:set efm=%C\ %.%#,%A\ \ File\ \"%f\"\\,\ line\ %l%.%#,%Z%[%^\ ]%\\@=%m
Note that the %C string is given before the %A here: since the expression
' %.%#' (which stands for the regular expression ' .*') matches every line
starting with a space, followed by any characters to the end of the line,
it also hides line 7 which would trigger a separate error message otherwise.
Error format strings are always parsed pattern by pattern until the first
match occurs.
*efm-%>*
The %> item can be used to avoid trying patterns that appear earlier in
'errorformat'. This is useful for patterns that match just about anything.
For example, if the error looks like this:
Error in line 123 of foo.c: ~
unknown variable "i" ~
This can be found with: >
:set efm=xxx,%E%>Error in line %l of %f:,%Z%m
Where "xxx" has a pattern that would also match the second line.
Important: There is no memory of what part of the errorformat matched before;
every line in the error file gets a complete new run through the error format
lines. For example, if one has: >
setlocal efm=aa,bb,cc,dd,ee
Where aa, bb, etc. are error format strings. Each line of the error file will
be matched to the pattern aa, then bb, then cc, etc. Just because cc matched
the previous error line does _not_ mean that dd will be tried first on the
current line, even if cc and dd are multi-line errorformat strings.
Separate file name *errorformat-separate-filename*
These prefixes are useful if the file name is given once and multiple messages
follow that refer to this file name.
%O single-line file message: overread the matched part
%P single-line file message: push file %f onto the stack
%Q single-line file message: pop the last file from stack
Example: Given a compiler that produces the following error logfile (without
leading line numbers):
1 [a1.tt]
2 (1,17) error: ';' missing
3 (21,2) warning: variable 'z' not defined
4 (67,3) error: end of file found before string ended
5
6 [a2.tt]
7
8 [a3.tt]
9 NEW compiler v1.1
10 (2,2) warning: variable 'x' not defined
11 (67,3) warning: 's' already defined
This logfile lists several messages for each file enclosed in [...] which are
properly parsed by an error format like this: >
:set efm=%+P[%f],(%l\\,%c)%*[\ ]%t%*[^:]:\ %m,%-Q
A call of |:clist| writes them accordingly with their correct filenames:
2 a1.tt:1 col 17 error: ';' missing
3 a1.tt:21 col 2 warning: variable 'z' not defined
4 a1.tt:67 col 3 error: end of file found before string ended
8 a3.tt:2 col 2 warning: variable 'x' not defined
9 a3.tt:67 col 3 warning: 's' already defined
Unlike the other prefixes that all match against whole lines, %P, %Q and %O
can be used to match several patterns in the same line. Thus it is possible
to parse even nested files like in the following line:
{"file1" {"file2" error1} error2 {"file3" error3 {"file4" error4 error5}}}
The %O then parses over strings that do not contain any push/pop file name
information. See |errorformat-LaTeX| for an extended example.
Ignoring and using whole messages *efm-ignore*
The codes '+' or '-' can be combined with the uppercase codes above; in that
case they have to precede the letter, e.g. '%+A' or '%-G':
%- do not include the matching multi-line in any output
%+ include the whole matching line in the %m error string
One prefix is only useful in combination with '+' or '-', namely %G. It parses
over lines containing general information like compiler version strings or
other headers that can be skipped.
%-G ignore this message
%+G general message
Pattern matching
The scanf()-like "%*[]" notation is supported for backward-compatibility
with previous versions of Vim. However, it is also possible to specify
(nearly) any Vim supported regular expression in format strings.
Since meta characters of the regular expression language can be part of
ordinary matching strings or file names (and therefore internally have to
be escaped), meta symbols have to be written with leading '%':
%\ The single '\' character. Note that this has to be
escaped ("%\\") in ":set errorformat=" definitions.
%. The single '.' character.
%# The single '*'(!) character.
%^ The single '^' character. Note that this is not
useful, the pattern already matches start of line.
%$ The single '$' character. Note that this is not
useful, the pattern already matches end of line.
%[ The single '[' character for a [] character range.
%~ The single '~' character.
When using character classes in expressions (see |/\i| for an overview),
terms containing the "\+" quantifier can be written in the scanf() "%*"
notation. Example: "%\\d%\\+" ("\d\+", "any number") is equivalent to "%*\\d".
Important note: The \(...\) grouping of sub-matches can not be used in format
specifications because it is reserved for internal conversions.
Multiple entries in 'errorformat' *efm-entries*
To be able to detect output from several compilers, several format patterns
may be put in 'errorformat', separated by commas (note: blanks after the comma
are ignored). The first pattern that has a complete match is used. If no
match is found, matching parts from the last one will be used, although the
file name is removed and the error message is set to the whole message. If
there is a pattern that may match output from several compilers (but not in a
right way), put it after one that is more restrictive.
To include a comma in a pattern precede it with a backslash (you have to type
two in a ":set" command). To include a backslash itself give two backslashes
(you have to type four in a ":set" command). You also need to put a backslash
before a space for ":set".
Valid matches *quickfix-valid*
If a line does not completely match one of the entries in 'errorformat', the
whole line is put in the error message and the entry is marked "not valid"
These lines are skipped with the ":cn" and ":cp" commands (unless there is
no valid line at all). You can use ":cl!" to display all the error messages.
If the error format does not contain a file name Vim cannot switch to the
correct file. You will have to do this by hand.
Examples
The format of the file from the Amiga Aztec compiler is:
filename>linenumber:columnnumber:errortype:errornumber:errormessage
filename name of the file in which the error was detected
linenumber line number where the error was detected
columnnumber column number where the error was detected
errortype type of the error, normally a single 'E' or 'W'
errornumber number of the error (for lookup in the manual)
errormessage description of the error
This can be matched with this 'errorformat' entry:
%f>%l:%c:%t:%n:%m
Some examples for C compilers that produce single-line error outputs:
%f:%l:\ %t%*[^0123456789]%n:\ %m for Manx/Aztec C error messages
(scanf() doesn't understand [0-9])
%f\ %l\ %t%*[^0-9]%n:\ %m for SAS C
\"%f\"\\,%*[^0-9]%l:\ %m for generic C compilers
%f:%l:\ %m for GCC
%f:%l:\ %m,%Dgmake[%*\\d]:\ Entering\ directory\ `%f',
%Dgmake[%*\\d]:\ Leaving\ directory\ `%f'
for GCC with gmake (concat the lines!)
%f(%l)\ :\ %*[^:]:\ %m old SCO C compiler (pre-OS5)
%f(%l)\ :\ %t%*[^0-9]%n:\ %m idem, with error type and number
%f:%l:\ %m,In\ file\ included\ from\ %f:%l:,\^I\^Ifrom\ %f:%l%m
for GCC, with some extras
Extended examples for the handling of multi-line messages are given below,
see |errorformat-Jikes| and |errorformat-LaTeX|.
Note the backslash in front of a space and double quote. It is required for
the :set command. There are two backslashes in front of a comma, one for the
:set command and one to avoid recognizing the comma as a separator of error
formats.
Filtering messages
If you have a compiler that produces error messages that do not fit in the
format string, you could write a program that translates the error messages
into this format. You can use this program with the ":make" command by
changing the 'makeprg' option. For example: >
:set mp=make\ \\\|&\ error_filter
The backslashes before the pipe character are required to avoid it to be
recognized as a command separator. The backslash before each space is
required for the set command.
=============================================================================
8. The directory stack *quickfix-directory-stack*
Quickfix maintains a stack for saving all used directories parsed from the
make output. For GNU-make this is rather simple, as it always prints the
absolute path of all directories it enters and leaves. Regardless if this is
done via a 'cd' command in the makefile or with the parameter "-C dir" (change
to directory before reading the makefile). It may be useful to use the switch
"-w" to force GNU-make to print out the working directory before and after
processing.
Maintaining the correct directory is more complicated if you don't use
GNU-make. AIX-make for example doesn't print any information about its
working directory. Then you need to enhance the makefile. In the makefile of
LessTif there is a command which echoes "Making {target} in {dir}". The
special problem here is that it doesn't print informations on leaving the
directory and that it doesn't print the absolute path.
To solve the problem with relative paths and missing "leave directory"
messages Vim uses following algorithm:
1) Check if the given directory is a subdirectory of the current directory.
If this is true, store it as the current directory.
2) If it is not a subdir of the current directory, try if this is a
subdirectory of one of the upper directories.
3) If the directory still isn't found, it is assumed to be a subdirectory
of Vim's current directory.
Additionally it is checked for every file, if it really exists in the
identified directory. If not, it is searched in all other directories of the
directory stack (NOT the directory subtree!). If it is still not found, it is
assumed that it is in Vim's current directory.
There are limitation in this algorithm. This examples assume that make just
prints information about entering a directory in the form "Making all in dir".
1) Assume you have following directories and files:
./dir1
./dir1/file1.c
./file1.c
If make processes the directory "./dir1" before the current directory and
there is an error in the file "./file1.c", you will end up with the file
"./dir1/file.c" loaded by Vim.
This can only be solved with a "leave directory" message.
2) Assume you have following directories and files:
./dir1
./dir1/dir2
./dir2
You get the following:
Make output Directory interpreted by Vim
------------------------ ----------------------------
Making all in dir1 ./dir1
Making all in dir2 ./dir1/dir2
Making all in dir2 ./dir1/dir2
This can be solved by printing absolute directories in the "enter directory"
message or by printing "leave directory" messages..
To avoid this problems, ensure to print absolute directory names and "leave
directory" messages.
Examples for Makefiles:
Unix:
libs:
for dn in $(LIBDIRS); do \
(cd $$dn; echo "Entering dir '$$(pwd)'"; make); \
echo "Leaving dir"; \
done
Add
%DEntering\ dir\ '%f',%XLeaving\ dir
to your 'errorformat' to handle the above output.
Note that Vim doesn't check if the directory name in a "leave directory"
messages is the current directory. This is why you could just use the message
"Leaving dir".
=============================================================================
9. Specific error file formats *errorformats*
*errorformat-Jikes*
Jikes(TM), a source-to-bytecode Java compiler published by IBM Research,
produces simple multi-line error messages.
An 'errorformat' string matching the produced messages is shown below.
The following lines can be placed in the user's |vimrc| to overwrite Vim's
recognized default formats, or see |:set+=| how to install this format
additionally to the default. >
:set efm=%A%f:%l:%c:%*\\d:%*\\d:,
\%C%*\\s%trror:%m,
\%+C%*[^:]%trror:%m,
\%C%*\\s%tarning:%m,
\%C%m
<
Jikes(TM) produces a single-line error message when invoked with the option
"+E", and can be matched with the following: >
:setl efm=%f:%l:%v:%*\\d:%*\\d:%*\\s%m
<
*errorformat-javac*
This 'errorformat' has been reported to work well for javac, which outputs a
line with "^" to indicate the column of the error: >
:setl efm=%A%f:%l:\ %m,%-Z%p^,%-C%.%#
or: >
:setl efm=%A%f:%l:\ %m,%+Z%p^,%+C%.%#,%-G%.%#
<
Here is an alternative from Michael F. Lamb for Unix that filters the errors
first: >
:setl errorformat=%Z%f:%l:\ %m,%A%p^,%-G%*[^sl]%.%#
:setl makeprg=javac\ %\ 2>&1\ \\\|\ vim-javac-filter
You need to put the following in "vim-javac-filter" somewhere in your path
(e.g., in ~/bin) and make it executable: >
#!/bin/sed -f
/\^$/s/\t/\ /g;/:[0-9]\+:/{h;d};/^[ \t]*\^/G;
In English, that sed script:
- Changes single tabs to single spaces and
- Moves the line with the filename, line number, error message to just after
the pointer line. That way, the unused error text between doesn't break
vim's notion of a "multi-line message" and also doesn't force us to include
it as a "continuation of a multi-line message."
*errorformat-ant*
For ant (http://jakarta.apache.org/) the above errorformat has to be modified
to honour the leading [javac] in front of each javac output line: >
:set efm=%A\ %#[javac]\ %f:%l:\ %m,%-Z\ %#[javac]\ %p^,%-C%.%#
The 'errorformat' can also be configured to handle ant together with either
javac or jikes. If you're using jikes, you should tell ant to use jikes' +E
command line switch which forces jikes to generate one-line error messages.
This is what the second line (of a build.xml file) below does: >
<property name = "build.compiler" value = "jikes"/>
<property name = "build.compiler.emacs" value = "true"/>
The 'errorformat' which handles ant with both javac and jikes is: >
:set efm=\ %#[javac]\ %#%f:%l:%c:%*\\d:%*\\d:\ %t%[%^:]%#:%m,
\%A\ %#[javac]\ %f:%l:\ %m,%-Z\ %#[javac]\ %p^,%-C%.%#
<
*errorformat-jade*
parsing jade (see http://www.jclark.com/) errors is simple: >
:set efm=jade:%f:%l:%c:%t:%m
<
*errorformat-LaTeX*
The following is an example how an 'errorformat' string can be specified
for the (La)TeX typesetting system which displays error messages over
multiple lines. The output of ":clist" and ":cc" etc. commands displays
multi-lines in a single line, leading white space is removed.
It should be easy to adopt the above LaTeX errorformat to any compiler output
consisting of multi-line errors.
The commands can be placed in a |vimrc| file or some other Vim script file,
e.g. a script containing LaTeX related stuff which is loaded only when editing
LaTeX sources.
Make sure to copy all lines of the example (in the given order), afterwards
remove the comment lines. For the '\' notation at the start of some lines see
|line-continuation|.
First prepare 'makeprg' such that LaTeX will report multiple
errors; do not stop when the first error has occurred: >
:set makeprg=latex\ \\\\nonstopmode\ \\\\input\\{$*}
<
Start of multi-line error messages: >
:set efm=%E!\ LaTeX\ %trror:\ %m,
\%E!\ %m,
< Start of multi-line warning messages; the first two also
include the line number. Meaning of some regular expressions:
- "%.%#" (".*") matches a (possibly empty) string
- "%*\\d" ("\d\+") matches a number >
\%+WLaTeX\ %.%#Warning:\ %.%#line\ %l%.%#,
\%+W%.%#\ at\ lines\ %l--%*\\d,
\%WLaTeX\ %.%#Warning:\ %m,
< Possible continuations of error/warning messages; the first
one also includes the line number: >
\%Cl.%l\ %m,
\%+C\ \ %m.,
\%+C%.%#-%.%#,
\%+C%.%#[]%.%#,
\%+C[]%.%#,
\%+C%.%#%[{}\\]%.%#,
\%+C<%.%#>%.%#,
\%C\ \ %m,
< Lines that match the following patterns do not contain any
important information; do not include them in messages: >
\%-GSee\ the\ LaTeX%m,
\%-GType\ \ H\ <return>%m,
\%-G\ ...%.%#,
\%-G%.%#\ (C)\ %.%#,
\%-G(see\ the\ transcript%.%#),
< Generally exclude any empty or whitespace-only line from
being displayed: >
\%-G\\s%#,
< The LaTeX output log does not specify the names of erroneous
source files per line; rather they are given globally,
enclosed in parentheses.
The following patterns try to match these names and store
them in an internal stack. The patterns possibly scan over
the same input line (one after another), the trailing "%r"
conversion indicates the "rest" of the line that will be
parsed in the next go until the end of line is reached.
Overread a file name enclosed in '('...')'; do not push it
on a stack since the file apparently does not contain any
error: >
\%+O(%f)%r,
< Push a file name onto the stack. The name is given after '(': >
\%+P(%f%r,
\%+P\ %\\=(%f%r,
\%+P%*[^()](%f%r,
\%+P[%\\d%[^()]%#(%f%r,
< Pop the last stored file name when a ')' is scanned: >
\%+Q)%r,
\%+Q%*[^()])%r,
\%+Q[%\\d%*[^()])%r
Note that in some cases file names in the LaTeX output log cannot be parsed
properly. The parser might have been messed up by unbalanced parentheses
then. The above example tries to catch the most relevant cases only.
You can customize the given setting to suit your own purposes, for example,
all the annoying "Overfull ..." warnings could be excluded from being
recognized as an error.
Alternatively to filtering the LaTeX compiler output, it is also possible
to directly read the *.log file that is produced by the [La]TeX compiler.
This contains even more useful information about possible error causes.
However, to properly parse such a complex file, an external filter should
be used. See the description further above how to make such a filter known
by Vim.
*errorformat-Perl*
In $VIMRUNTIME/tools you can find the efm_perl.pl script, which filters Perl
error messages into a format that quickfix mode will understand. See the
start of the file about how to use it.
vim:tw=78:ts=8:ft=help:norl:
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