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Make "v:errmsg", "v:shell_error" and "v:this_session" distinct

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This commit is contained in:
Shougo Matsushita 2018-06-19 08:50:15 +09:00
parent 13d29cb9ed
commit 03bd5a4b91
4 changed files with 19 additions and 7 deletions
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5
runtime/doc/eval.txt
View File

@ -1508,7 +1508,6 @@ v:errmsg Last given error message. It's allowed to set this variable.
:silent! next
:if v:errmsg != ""
: ... handle error
< "errmsg" also works, for backwards compatibility.
*v:errors* *errors-variable*
v:errors Errors found by assert functions, such as |assert_true()|.
@ -1813,8 +1812,7 @@ v:shell_error Result of the last shell command. When non-zero, the last
:if v:shell_error
: echo 'could not rename "foo" to "bar"!'
:endif
< "shell_error" also works, for backwards compatibility.
<
*v:statusmsg* *statusmsg-variable*
v:statusmsg Last given status message. It's allowed to set this variable.
@ -1888,7 +1886,6 @@ v:testing Must be set before using `test_garbagecollect_now()`.
v:this_session Full filename of the last loaded or saved session file. See
|:mksession|. It is allowed to set this variable. When no
session file has been saved, this variable is empty.
"this_session" also works, for backwards compatibility.
*v:throwpoint* *throwpoint-variable*
v:throwpoint The point where the exception most recently caught and not

3
runtime/doc/vim_diff.txt
View File

@ -352,6 +352,9 @@ TUI:
VimL (Vim script) compatibility:
`count` does not alias to |v:count|
`errmsg` does not alias to |v:errmsg|
`shell_error` does not alias to |v:shell_error|
`this_session` does not alias to |v:this_session|
==============================================================================
5. Missing legacy features *nvim-features-missing*

6
src/nvim/eval.c
View File

@ -344,11 +344,11 @@ static struct vimvar {
VV(VV_COUNT, "count", VAR_NUMBER, VV_RO),
VV(VV_COUNT1, "count1", VAR_NUMBER, VV_RO),
VV(VV_PREVCOUNT, "prevcount", VAR_NUMBER, VV_RO),
VV(VV_ERRMSG, "errmsg", VAR_STRING, VV_COMPAT),
VV(VV_ERRMSG, "errmsg", VAR_STRING, 0),
VV(VV_WARNINGMSG, "warningmsg", VAR_STRING, 0),
VV(VV_STATUSMSG, "statusmsg", VAR_STRING, 0),
VV(VV_SHELL_ERROR, "shell_error", VAR_NUMBER, VV_COMPAT+VV_RO),
VV(VV_THIS_SESSION, "this_session", VAR_STRING, VV_COMPAT),
VV(VV_SHELL_ERROR, "shell_error", VAR_NUMBER, VV_RO),
VV(VV_THIS_SESSION, "this_session", VAR_STRING, 0),
VV(VV_VERSION, "version", VAR_NUMBER, VV_COMPAT+VV_RO),
VV(VV_LNUM, "lnum", VAR_NUMBER, VV_RO_SBX),
VV(VV_TERMRESPONSE, "termresponse", VAR_STRING, VV_RO),

12
test/functional/eval/special_vars_spec.lua
View File

@ -174,5 +174,17 @@ describe('Special values', function()
command('let count = []') -- v:count is readonly
eq(1, eval('count is# g:["count"]'))
end)
it('v:errmsg is distinct from errmsg', function()
command('let errmsg = 1')
eq(1, eval('errmsg is# g:["errmsg"]'))
end)
it('v:shell_error is distinct from shell_error', function()
command('let shell_error = []') -- v:shell_error is readonly
eq(1, eval('shell_error is# g:["shell_error"]'))
end)
it('v:this_session is distinct from this_session', function()
command('let this_session = []')
eq(1, eval('this_session is# g:["this_session"]'))
end)
end)
end)