diff options
Diffstat (limited to 'compiler/scanner.pas')
| -rw-r--r-- | compiler/scanner.pas | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/compiler/scanner.pas b/compiler/scanner.pas index b33f7a73c5..9632471f24 100644 --- a/compiler/scanner.pas +++ b/compiler/scanner.pas @@ -4883,12 +4883,21 @@ type inc(yylexcount); substitutemacro(pattern,mac.buftext,mac.buflen, mac.fileinfo.line,mac.fileinfo.fileindex); - { handle empty macros } + { handle empty macros } if c=#0 then - reload; - readtoken(false); - { that's all folks } - dec(yylexcount); + begin + reload; + { avoid macro nesting error in case of + a sequence of empty macros, see #38802 } + dec(yylexcount); + readtoken(false); + end + else + begin + readtoken(false); + { that's all folks } + dec(yylexcount); + end; exit; end else |