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Merge pull request #1656 from mcfarljm/Issue-1647

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Fix doxygen crash with empty comment (Issue #1647)
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William S Fulton 2020-01-14 19:54:38 +00:00 • committed by GitHub
commit fa58fd53b4
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2 changed files with 6 additions and 2 deletions
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Source/CParse/cscanner.c
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@ -435,10 +435,11 @@ static int yylook(void) {
if (scan_doxygen_comments) { /* else just skip this node, to avoid crashes in parser module*/
/* Check for all possible Doxygen comment start markers while ignoring
comments starting with a row of asterisks or slashes just as
Doxygen itself does. */
Doxygen itself does. Also skip empty comment (slash-star-star-slash),
which causes a crash due to begin > end. */
if (Len(cmt) > 3 && loc[0] == '/' &&
((loc[1] == '/' && ((loc[2] == '/' && loc[3] != '/') || loc[2] == '!')) ||
(loc[1] == '*' && ((loc[2] == '*' && loc[3] != '*') || loc[2] == '!')))) {
(loc[1] == '*' && ((loc[2] == '*' && loc[3] != '*' && loc[3] != '/') || loc[2] == '!')))) {
comment_kind_t this_comment = loc[3] == '<' ? DOX_COMMENT_POST : DOX_COMMENT_PRE;
if (existing_comment != DOX_COMMENT_NONE && this_comment != existing_comment) {
/* We can't concatenate together Doxygen pre- and post-comments. */