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vim-patch:9.1.0301: Vim9: heredoc start may be recognized in string (#28266)

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Problem:  Vim9: heredoc start may be recognized in string.
Solution: Don't skip to closing bracket for invalid list assignment.
          (zeertzjq)

closes: vim/vim#14472

1817ccdb10
This commit is contained in:
zeertzjq
2024-04-11 07:39:10 +08:00
committed by GitHub
parent 85099e989b
commit f504e799a3
2 changed files with 13 additions and 12 deletions
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10
src/nvim/eval/userfunc.c
View File

@@ -2578,13 +2578,11 @@ void ex_function(exarg_T *eap)
if (checkforcmd(&arg, "let", 2)) {
int var_count = 0;
int semicolon = 0;
const char *argend = skip_var_list(arg, &var_count, &semicolon, true);
if (argend == NULL) {
// Invalid list assignment: skip to closing bracket.
argend = find_name_end(arg, NULL, NULL, FNE_INCL_BR);
arg = (char *)skip_var_list(arg, &var_count, &semicolon, true);
if (arg != NULL) {
arg = skipwhite(arg);
}
arg = skipwhite(argend);
if (arg[0] == '=' && arg[1] == '<' && arg[2] == '<') {
if (arg != NULL && strncmp(arg, "=<<", 3) == 0) {
p = skipwhite(arg + 3);
while (true) {
if (strncmp(p, "trim", 4) == 0) {

15
test/old/testdir/test_let.vim
View File

@@ -409,11 +409,17 @@ func Test_let_heredoc_fails()
call assert_report('Caught exception: ' .. v:exception)
endtry
try
let [] =<< trim TEXT
TEXT
call assert_report('No exception thrown')
catch /E475:/
catch
call assert_report('Caught exception: ' .. v:exception)
endtry
try
let [a b c] =<< trim TEXT
change
insert
append
TEXT
call assert_report('No exception thrown')
catch /E475:/
@@ -423,9 +429,6 @@ func Test_let_heredoc_fails()
try
let [a; b; c] =<< trim TEXT
change
insert
append
TEXT
call assert_report('No exception thrown')
catch /E452:/