patch 8.1.1094: long line in tags file causes errorv8.1.1094

Problem:    Long line in tags file causes error.
Solution:   Check for overlong line earlier. (Andy Massimino, closes #4051,
            closes #4084)

1 files changed, 26 insertions, 22 deletions

diff --git a/src/tag.c b/src/tag.c
index 20473d111..0f4a70d97 100644
--- a/src/tag.c
+++ b/src/tag.c
@@ -1921,6 +1921,32 @@ line_read_in:
 	    }
 
 parse_line:
+	    if (vim_strchr(lbuf, NL) == NULL
+#ifdef FEAT_CSCOPE
+					     && !use_cscope
+#endif
+					     )
+	    {
+		// Truncated line, ignore it.  Has been reported for
+		// Mozilla JS with extremely long names.
+		if (p_verbose >= 5)
+		{
+		    verbose_enter();
+		    msg(_("Ignoring long line in tags file"));
+		    verbose_leave();
+		}
+#ifdef FEAT_TAG_BINS
+		if (state != TS_LINEAR)
+		{
+		    // Avoid getting stuck.
+		    linear = TRUE;
+		    state = TS_LINEAR;
+		    vim_fseek(fp, search_info.low_offset, SEEK_SET);
+		}
+#endif
+		continue;
+	    }
+
 	    /*
 	     * Figure out where the different strings are in this line.
 	     * For "normal" tags: Do a quick check if the tag matches.
@@ -1937,28 +1963,6 @@ parse_line:
 		tagp.tagname_end = vim_strchr(lbuf, TAB);
 		if (tagp.tagname_end == NULL)
 		{
-		    if (vim_strchr(lbuf, NL) == NULL)
-		    {
-			/* Truncated line, ignore it.  Has been reported for
-			 * Mozilla JS with extremely long names. */
-			if (p_verbose >= 5)
-			{
-			    verbose_enter();
-			    msg(_("Ignoring long line in tags file"));
-			    verbose_leave();
-			}
-#ifdef FEAT_TAG_BINS
-			if (state != TS_LINEAR)
-			{
-			    /* Avoid getting stuck. */
-			    linear = TRUE;
-			    state = TS_LINEAR;
-			    vim_fseek(fp, search_info.low_offset, SEEK_SET);
-			}
-#endif
-			continue;
-		    }
-
 		    /* Corrupted tag line. */
 		    line_error = TRUE;
 		    break;