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patch 8.2.3413: Vim9: too many characters are allowed in import name

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Problem:    Vim9: too many characters are allowed in import name.
Solution:   Disallow ':' and '#', check for white space. (closes #8845)
This commit is contained in:
Bram Moolenaar
2021-09-08 12:31:35 +02:00
parent af2d5d2ce2
commit a9e3d56087
4 changed files with 31 additions and 5 deletions
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13
src/vim9script.c
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@@ -396,12 +396,19 @@ handle_import(
arg = skipwhite_and_linebreak(arg, evalarg);
if (STRNCMP("as", arg, 2) == 0 && IS_WHITE_OR_NUL(arg[2]))
{
// skip over "as Name "; no line break allowed after "as"
// Skip over "as Name "; no line break allowed after "as".
// Do not allow for ':' and '#'.
arg = skipwhite(arg + 2);
p = arg;
if (eval_isnamec1(*arg))
while (eval_isnamec(*arg))
while (ASCII_ISALNUM(*arg) || *arg == '_')
++arg;
if (p == arg || !(IS_WHITE_OR_NUL(*arg)
|| (mult && (*arg == ',' || *arg == '}'))))
{
semsg(_(e_syntax_error_in_import_str), p);
goto erret;
}
if (check_defined(p, arg - p, cctx, FALSE) == FAIL)
goto erret;
as_name = vim_strnsave(p, arg - p);
@@ -439,7 +446,7 @@ handle_import(
if (names.ga_len == 0)
{
emsg(_(e_syntax_error_in_import));
semsg(_(e_syntax_error_in_import_str), arg_start);
goto erret;
}