patch 9.1.0287: Vim9: comment may be treated as heredoc start
Commit:
https://github.com/vim/vim/commit/9a91d2b72c20f213bbf77f27b7edd01e0e43d5e0
Author: zeertzjq <zeert...@outlook.com>
Date: Tue Apr 9 21:47:10 2024 +0200
patch 9.1.0287: Vim9: comment may be treated as heredoc start
Problem: Vim9: comment may be treated as heredoc start.
(Ernie Rael)
Solution: Use skip_var_list() instead of find_name_end().
(zeertzjq)
fixes: #14444
closes: #14446
Signed-off-by: zeertzjq <zeert...@outlook.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>
diff --git a/src/eval.c b/src/eval.c
index 187b4d4d8..e4c8baefb 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -6894,7 +6894,7 @@ find_name_end(
int br_nest = 0;
char_u *p;
int len;
- int allow_curly = (flags & FNE_ALLOW_CURLY) ||
!in_vim9script();
+ int allow_curly = !in_vim9script();
if (expr_start != NULL)
{
diff --git a/src/testdir/test_let.vim b/src/testdir/test_let.vim
index c99207c12..1d616350b 100644
--- a/src/testdir/test_let.vim
+++ b/src/testdir/test_let.vim
@@ -396,6 +396,42 @@ func Test_let_heredoc_fails()
call assert_report('Caught exception: ' .. v:exception)
endtry
+ try
+ let @- =<< trim TEXT
+ change
+ insert
+ append
+ TEXT
+ call assert_report('No exception thrown')
+ catch /E730:/
+ 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:/
+ 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 /E452:/
+ catch
+ call assert_report('Caught exception: ' .. v:exception)
+ endtry
+
let text =<< trim END
func WrongSyntax()
let v =<< that there
@@ -571,6 +607,22 @@ append
END
call assert_equal(['change', 'insert', 'append'], [a, b, c])
+ " unpack assignment with semicolon
+ let [a; b] =<< END
+change
+insert
+append
+END
+ call assert_equal(['change', ['insert', 'append']], [a, b])
+
+ " unpack assignment with registers
+ let [@/, @", @-] =<< END
+change
+insert
+append
+END
+ call assert_equal(['change', 'insert', 'append'], [@/, @", @-])
+
" curly braces name and list slice assignment
let foo_3_bar = ['', '', '']
let foo_{1 + 2}_bar[ : ] =<< END
diff --git a/src/testdir/test_vim9_assign.vim b/src/testdir/test_vim9_assign.vim
index 4414f55c0..82dc3e5ca 100644
--- a/src/testdir/test_vim9_assign.vim
+++ b/src/testdir/test_vim9_assign.vim
@@ -1997,6 +1997,17 @@ def Test_heredoc()
END
v9.CheckScriptSuccess(lines)
+ # commented out heredoc assignment without space after '#'
+ lines =<< trim END
+ vim9script
+ def Func()
+ #x =<< trim [CODE]
+ #[CODE]
+ enddef
+ Func()
+ END
+ v9.CheckScriptSuccess(lines)
+
v9.CheckDefFailure(['var lines =<< trim END X', 'END'], 'E488:')
v9.CheckDefFailure(['var lines =<< trim END " comment', 'END'], 'E488:')
diff --git a/src/userfunc.c b/src/userfunc.c
index 1bd1a2845..015733cdb 100644
--- a/src/userfunc.c
+++ b/src/userfunc.c
@@ -1227,12 +1227,20 @@ get_function_body(
|| checkforcmd(&arg, "const", 5)
|| vim9_function)
{
- while (vim_strchr((char_u *)"$@&", *arg) != NULL)
- ++arg;
- arg = skipwhite(find_name_end(arg, NULL, NULL,
- FNE_INCL_BR | FNE_ALLOW_CURLY));
- if (vim9_function && *arg == ':')
- arg = skipwhite(skip_type(skipwhite(arg + 1), FALSE));
+ int save_sc_version = current_sctx.sc_version;
+ int var_count = 0;
+ int semicolon = 0;
+ char_u *argend;
+
+ current_sctx.sc_version
+ = vim9_function ? SCRIPT_VERSION_VIM9 : 1;
+ argend = skip_var_list(arg, TRUE, &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 = skipwhite(argend);
+ current_sctx.sc_version = save_sc_version;
if (arg[0] == '=' && arg[1] == '<' && arg[2] =='<')
{
p = skipwhite(arg + 3);
diff --git a/src/version.c b/src/version.c
index 4cece61ad..8cb3262c8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -704,6 +704,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
+/**/
+ 287,
/**/
286,
/**/
diff --git a/src/vim.h b/src/vim.h
index 7c4f989ff..4507674fc 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -2818,7 +2818,6 @@ typedef int (*opt_expand_cb_T)(optexpand_T *args, int
*numMatches, char_u ***mat
// flags for find_name_end()
#define FNE_INCL_BR 1 // include [] in name
#define FNE_CHECK_START 2 // check name starts with valid
character
-#define FNE_ALLOW_CURLY 4 // always allow curly braces name
// BSD is supposed to cover FreeBSD and similar systems.
#if (defined(SUN_SYSTEM) || defined(BSD) || defined(__FreeBSD_kernel__)) \
--
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