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debug.nas add callback to breakpoint

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Henning Stahlke 2019-01-22 08:39:03 +01:00
parent 224ceaa546
commit 9c9fb23f55
1 changed files with 12 additions and 5 deletions
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17
Nasal/debug.nas
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@ -451,8 +451,9 @@ var isnan = func {
# myBP.enable(4); # allow 4 hits, then be quiet
#
# #at the place of interest (e.g. in some loop or class method) insert:
# myBP.hit(); # do backtrace here if tokens > 0, reduce tokens by 1
#
# myBP.hit(); # do backtrace here if tokens > 0, reduce tokens by 1
# myBP.hit(myFunction); # same but call myFunction instead of backtrace
#
# print(myBP.getHits()); # print total number of hits
#
var Breakpoint = {
@ -500,13 +501,19 @@ var Breakpoint = {
},
# hit the breakpoint, e.g. do backtrace if we have tokens available
hit: func() {
hit: func(callback = nil) {
me.hits += 1;
me._hitsN.setIntValue(me.hits);
me.tokens = me._tokensN.getValue();
if (me.tokens > 0) {
debug.backtrace(me.label, me.dump_locals, 1);
me._tokensN.setValue(me.tokens - 1);
me.tokens -= 1;
if (typeof(callback) == "func") {
callback(me.hits, me.tokens);
}
else {
debug.backtrace(me.label, me.dump_locals, 1);
}
me._tokensN.setValue(me.tokens);
}
return me;
},