diff options
| -rw-r--r-- | txr.1 | 21 | ||||
| -rw-r--r-- | txr.c | 3 |
2 files changed, 24 insertions, 0 deletions
@@ -729,6 +729,27 @@ or .code -P options. +.coIP --gc-debug +This option enables a behavior which stresses the garbage collector with +frequent garbage collection requests. The purpose is to make it more likely +to reproduce certain kinds of bugs. It makes \*(TX run very slowly. + +.coIP --vg-debug +If \*(TX is enabled with Valgrind support, then this option is available. +It enables code which uses the Valgrind API to integrate with the Valgrind +debugger, for more accurate tracking of garbage collected objects. For +example, objects which have been reclaimed by the garbage collector +are marked as inaccessible, and marked as uninitialized when they are +allocated again. + +.coIP --dv-regex +If this option is used, then regular expressions are all treated using the +derivative-based back-end. The NFA-based regex implementation is disabled. +Normally, only regular expressions which require the intersection and +complement operators are handled using the derivative back-end. +This option makes it possible to test that back-end on test cases that it +wouldn't normally receive. + .coIP -- Signifies the end of the option list. @@ -149,6 +149,9 @@ static void help(void) " increments by N megabytes since last collection.\n" "--debug-autoload Allow debugger to step through library auto-loading.\n" "--yydebug Debug Yacc parser, if compiled with YYDEBUG support.\n" +"--gc-debug Enable a garbage collector stress test (slow).\n" +"--vg-debug Enable Valgrind integration, if compiled in.\n" +"--dv-regex Handle all regexes using derivative-based back-end.\n" "\n" "Options that take no argument can be combined. The -q and -v options\n" "are mutually exclusive; the right-most one dominates.\n" |