0
0
mirror of https://github.com/vim/vim.git synced 2025-09-24 03:44:06 -04:00

patch 8.2.4044: Vim9: no error when importing the same script twice

Problem:    Vim9: no error when importing the same script twice.
Solution:   Give an error, unless it is a reload.
This commit is contained in:
Bram Moolenaar
2022-01-08 17:03:55 +00:00
parent 04935fb17e
commit 7c24dfddc2
4 changed files with 51 additions and 31 deletions

View File

@@ -374,6 +374,8 @@ handle_import(
int sid = -1;
int res;
long start_lnum = SOURCING_LNUM;
garray_T *import_gap;
int i;
// The name of the file can be an expression, which must evaluate to a
// string.
@@ -440,6 +442,24 @@ handle_import(
goto erret;
}
import_gap = gap != NULL ? gap : &SCRIPT_ITEM(import_sid)->sn_imports;
for (i = 0; i < import_gap->ga_len; ++i)
{
imported_T *import = (imported_T *)import_gap->ga_data + i;
if (import->imp_sid == sid)
{
if (import->imp_flags & IMP_FLAGS_RELOAD)
{
// encountering same script first ime on a reload is OK
import->imp_flags &= ~IMP_FLAGS_RELOAD;
break;
}
semsg(_(e_cannot_import_same_script_twice_str), tv.vval.v_string);
goto erret;
}
}
// Allow for the "as Name" to be in the next line.
nextarg = eval_next_non_blank(expr_end, evalarg, &getnext);
if (STRNCMP("as", nextarg, 2) == 0 && IS_WHITE_OR_NUL(nextarg[2]))
@@ -494,22 +514,16 @@ handle_import(
imported_T *imported;
imported = find_imported(as_name, STRLEN(as_name), cctx);
if (imported != NULL && imported->imp_sid == sid)
if (imported != NULL && imported->imp_sid != sid)
{
if (imported->imp_flags & IMP_FLAGS_RELOAD)
// import already defined on a previous script load
imported->imp_flags &= ~IMP_FLAGS_RELOAD;
else
{
semsg(_(e_name_already_defined_str), as_name);
goto erret;
}
semsg(_(e_name_already_defined_str), as_name);
goto erret;
}
else if (check_defined(as_name, STRLEN(as_name), cctx, FALSE) == FAIL)
else if (imported == NULL
&& check_defined(as_name, STRLEN(as_name), cctx, FALSE) == FAIL)
goto erret;
imported = new_imported(gap != NULL ? gap
: &SCRIPT_ITEM(import_sid)->sn_imports);
imported = new_imported(import_gap);
if (imported == NULL)
goto erret;
imported->imp_name = as_name;