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patch 8.2.0682: Vim9: parsing function argument type can get stuck

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Problem:    Vim9: parsing function argument type can get stuck.
Solution:   Bail out when not making progress.
This commit is contained in:
Bram Moolenaar
2020-05-02 19:04:58 +02:00
parent 0b6849e9e3
commit 1c0d44f8ef
3 changed files with 7 additions and 0 deletions
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1
src/testdir/test_vim9_func.vim
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@@ -113,6 +113,7 @@ def Test_call_wrong_args()
call CheckDefFailure(['TakesOneArg()'], 'E119:') call CheckDefFailure(['TakesOneArg()'], 'E119:')
call CheckDefFailure(['TakesOneArg(11, 22)'], 'E118:') call CheckDefFailure(['TakesOneArg(11, 22)'], 'E118:')
call CheckDefFailure(['bufnr(xxx)'], 'E1001:') call CheckDefFailure(['bufnr(xxx)'], 'E1001:')
call CheckScriptFailure(['def Func(Ref: func(s: string))'], 'E475:')
enddef enddef
" Default arg and varargs " Default arg and varargs

2
src/version.c
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@@ -746,6 +746,8 @@ 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 */
/**/
682,
/**/ /**/
681, 681,
/**/ /**/

4
src/vim9compile.c
View File

@@ -1663,7 +1663,11 @@ skip_type(char_u *start)
++p; ++p;
while (*p != ')' && *p != NUL) while (*p != ')' && *p != NUL)
{ {
char_u *sp = p;
p = skip_type(p); p = skip_type(p);
if (p == sp)
return p; // syntax error
if (*p == ',') if (*p == ',')
p = skipwhite(p + 1); p = skipwhite(p + 1);
} }