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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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4
src/errors.h
View File

@ -270,8 +270,8 @@ EXTERN char e_missing_as_after_star[]
INIT(= N_("E1045: Missing \"as\" after *"));
EXTERN char e_missing_comma_in_import[]
INIT(= N_("E1046: Missing comma in import"));
EXTERN char e_syntax_error_in_import[]
INIT(= N_("E1047: Syntax error in import"));
EXTERN char e_syntax_error_in_import_str[]
INIT(= N_("E1047: Syntax error in import: %s"));
EXTERN char e_item_not_found_in_script_str[]
INIT(= N_("E1048: Item not found in script: %s"));
EXTERN char e_item_not_exported_in_script_str[]

17
src/testdir/test_vim9_script.vim
View File

@ -1490,6 +1490,23 @@ def Test_import_star_fails()
var that = foo
END
CheckScriptFailure(lines, 'E1029: Expected ''.''')
lines =<< trim END
vim9script
import * as 9foo from './Xfoo.vim'
END
CheckScriptFailure(lines, 'E1047:')
lines =<< trim END
vim9script
import * as the#foo from './Xfoo.vim'
END
CheckScriptFailure(lines, 'E1047:')
lines =<< trim END
vim9script
import * as g:foo from './Xfoo.vim'
END
CheckScriptFailure(lines, 'E1047:')
delete('Xfoo.vim')
enddef

2
src/version.c
View File

@ -755,6 +755,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
3413,
/**/
3412,
/**/

13
src/vim9script.c
View File

@ -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;
}