patch 8.2.4960: text properties that cross lines not updated for deleted line
Problem: Text properties that cross line boundary are not correctly updated
for a deleted line.
Solution: Correct computing location of text property entry. (Paul Ollis,
closes #10431, closes #10430)
diff --git a/src/memline.c b/src/memline.c
index e098aef..2cdd227 100644
--- a/src/memline.c
+++ b/src/memline.c
@@ -3501,8 +3501,9 @@
#ifdef FEAT_PROP_POPUP
/*
* Adjust text properties in line "lnum" for a deleted line.
- * When "above" is true this is the line above the deleted line.
- * "del_props" are the properties of the deleted line.
+ * When "above" is true this is the line above the deleted line, otherwise this
+ * is the line below the deleted line.
+ * "del_props[del_props_len]" are the properties of the deleted line.
*/
static void
adjust_text_props_for_delete(
@@ -3569,7 +3570,7 @@
: TP_FLAG_CONT_PREV;
textprop_T prop_this;
- mch_memmove(&prop_this, text + textlen + done_del,
+ mch_memmove(&prop_this, text + textlen + done_this,
sizeof(textprop_T));
if ((prop_this.tp_flags & flag)
&& prop_del.tp_id == prop_this.tp_id
@@ -3577,7 +3578,7 @@
{
found = TRUE;
prop_this.tp_flags &= ~flag;
- mch_memmove(text + textlen + done_del, &prop_this,
+ mch_memmove(text + textlen + done_this, &prop_this,
sizeof(textprop_T));
break;
}
diff --git a/src/testdir/test_textprop.vim b/src/testdir/test_textprop.vim
index 8e12041..3203305 100644
--- a/src/testdir/test_textprop.vim
+++ b/src/testdir/test_textprop.vim
@@ -1645,6 +1645,57 @@
bwipe!
enddef
+" This test is to detect a regression related to #10430. It is not an attempt
+" fully cover deleting lines in the presence of multi-line properties.
+def Test_delete_line_within_multiline_prop()
+ new
+ setline(1, '# Top.')
+ append(1, ['some_text = """', 'A string.', '"""', '# Bottom.'])
+ prop_type_add('Identifier', {'highlight': 'ModeMsg', 'priority': 0, 'combine': 0, 'start_incl': 0, 'end_incl': 0})
+ prop_type_add('String', {'highlight': 'MoreMsg', 'priority': 0, 'combine': 0, 'start_incl': 0, 'end_incl': 0})
+ prop_add(2, 1, {'type': 'Identifier', 'end_lnum': 2, 'end_col': 9})
+ prop_add(2, 13, {'type': 'String', 'end_lnum': 4, 'end_col': 4})
+
+ # The property for line 3 should extend into the previous and next lines.
+ var props = prop_list(3)
+ var prop = props[0]
+ assert_equal(1, len(props))
+ assert_equal(0, prop['start'])
+ assert_equal(0, prop['end'])
+
+ # This deletion should run without raising an exception.
+ try
+ :2 del
+ catch
+ assert_report('Line delete should have workd, but it raised an error.')
+ endtry
+
+ # The property for line 2 (was 3) should no longer extend into the previous
+ # line.
+ props = prop_list(2)
+ prop = props[0]
+ assert_equal(1, len(props))
+ assert_equal(1, prop['start'], 'Property was not changed to start within the line.')
+
+ # This deletion should run without raising an exception.
+ try
+ :3 del
+ catch
+ assert_report('Line delete should have workd, but it raised an error.')
+ endtry
+
+ # The property for line 2 (originally 3) should no longer extend into the next
+ # line.
+ props = prop_list(2)
+ prop = props[0]
+ assert_equal(1, len(props))
+ assert_equal(1, prop['end'], 'Property was not changed to end within the line.')
+
+ prop_type_delete('Identifier')
+ prop_type_delete('String')
+ bwip!
+enddef
+
func Test_prop_in_linebreak()
CheckRunVimInTerminal
diff --git a/src/version.c b/src/version.c
index dca2f92..52144c5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 4960,
+/**/
4959,
/**/
4958,