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patch 8.2.3056: Vim9: using default value in lambda gives confusing error

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Problem:    Vim9: using default value in lambda gives confusing error.
Solution:   Pass "default_args" on the first pass to get the arguments.
            (closes #8455)
This commit is contained in:
Bram Moolenaar 2021-06-26 19:25:49 +02:00
parent 3a3b10e87a
commit 14ded11fca
3 changed files with 9 additions and 1 deletions
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6
src/testdir/test_vim9_func.vim
View File

@ -917,6 +917,12 @@ def Test_call_lambda_args()
CheckDefFailure(lines, 'E1167:')
CheckScriptFailure(['vim9script'] + lines, 'E1168:')
lines =<< trim END
var Ref: func(any, ?any): bool
Ref = (_, y = 1) => false
END
CheckDefAndScriptFailure(lines, 'E1172:')
lines =<< trim END
def ShadowLocal()
var one = 1

2
src/userfunc.c
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@ -1222,7 +1222,7 @@ get_lambda_tv(
s = *arg + 1;
ret = get_function_args(&s, equal_arrow ? ')' : '-', NULL,
types_optional ? &argtypes : NULL, types_optional, evalarg,
NULL, NULL, TRUE, NULL, NULL);
NULL, &default_args, TRUE, NULL, NULL);
if (ret == FAIL || skip_arrow(s, equal_arrow, &ret_type, NULL) == NULL)
{
if (types_optional)

2
src/version.c
View File

@ -755,6 +755,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
3056,
/**/
3055,
/**/