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patch 8.2.3299: Vim9: exists() does not handle much at compile time

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Problem:    Vim9: exists() does not handle much at compile time.
Solution:   Handle variable names. (closes #8688)
This commit is contained in:
Bram Moolenaar 2021-08-05 22:48:11 +02:00
parent 6f6d58c380
commit 5671f3f076
4 changed files with 34 additions and 3 deletions
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7
src/evalfunc.c
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@ -3552,7 +3552,14 @@ f_exists(typval_T *argvars, typval_T *rettv)
} }
else if (*p == '*') // internal or user defined function else if (*p == '*') // internal or user defined function
{ {
int save_version = current_sctx.sc_version;
// Vim9 script assumes a function is script-local, but here we want to
// find any matching function.
if (current_sctx.sc_version == SCRIPT_VERSION_VIM9)
current_sctx.sc_version = SCRIPT_VERSION_MAX;
n = function_exists(p + 1, FALSE); n = function_exists(p + 1, FALSE);
current_sctx.sc_version = save_version;
} }
else if (*p == '?') // internal function only else if (*p == '?') // internal function only
{ {

22
src/testdir/test_vim9_builtin.vim
View File

@ -787,6 +787,8 @@ def Test_exepath()
CheckDefExecFailure(['echo exepath("")'], 'E1175:') CheckDefExecFailure(['echo exepath("")'], 'E1175:')
enddef enddef
command DoSomeCommand let g:didSomeCommand = 4
def Test_exists() def Test_exists()
CheckDefAndScriptFailure2(['exists(10)'], 'E1013: Argument 1: type mismatch, expected string but got number', 'E1174: String required for argument 1') CheckDefAndScriptFailure2(['exists(10)'], 'E1013: Argument 1: type mismatch, expected string but got number', 'E1174: String required for argument 1')
call assert_equal(1, exists('&tabstop')) call assert_equal(1, exists('&tabstop'))
@ -809,6 +811,26 @@ def Test_exists()
else else
assert_report('tabstop option not existing?') assert_report('tabstop option not existing?')
endif endif
if exists(':DoSomeCommand') >= 2
DoSomeCommand
endif
assert_equal(4, g:didSomeCommand)
if exists(':NoSuchCommand') >= 2
NoSuchCommand
endif
var found = false
if exists('*CheckScriptSuccess')
found = true
endif
assert_true(found)
if exists('*NoSuchFunction')
NoSuchFunction()
endif
if exists('*no_such_function')
no_such_function()
endif
enddef enddef
def Test_expand() def Test_expand()

2
src/version.c
View File

@ -755,6 +755,8 @@ static char *(features[]) =
static int included_patches[] = static int included_patches[] =
{ /* Add new patch number below this line */ { /* Add new patch number below this line */
/**/
3299,
/**/ /**/
3298, 3298,
/**/ /**/

4
src/vim9compile.c
View File

@ -3417,8 +3417,8 @@ compile_call(
s = skipwhite(s); s = skipwhite(s);
if (*s == ')' && argvars[0].v_type == VAR_STRING if (*s == ')' && argvars[0].v_type == VAR_STRING
&& ((is_has && !dynamic_feature(argvars[0].vval.v_string)) && ((is_has && !dynamic_feature(argvars[0].vval.v_string))
|| (!is_has && (*argvars[0].vval.v_string == '+' || (!is_has && vim_strchr((char_u *)"+&:*",
|| *argvars[0].vval.v_string == '&')))) *argvars[0].vval.v_string))))
{ {
typval_T *tv = &ppconst->pp_tv[ppconst->pp_used]; typval_T *tv = &ppconst->pp_tv[ppconst->pp_used];