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JACOBIN-896 Force a Go runtime panic #483

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Merged
texadactyl merged 1 commit into from
May 5, 2026
Merged

JACOBIN-896 Force a Go runtime panic #483

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14 changes: 14 additions & 0 deletions src/gfunction/misc/jj.go
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,12 @@ func Load_jj() {
ParamSlots: 0,
GFunction: jjGetProgramName,
}

ghelpers.MethodSignatures["jj._panic()V"] =
ghelpers.GMeth{
ParamSlots: 0,
GFunction: jjPanic,
}
}

func jjStringifyScalar(ftype string, fvalue any) *object.Object {
Expand Down Expand Up @@ -376,3 +382,11 @@ func jjGetProgramName([]interface{}) interface{} {
str := glob.JacobinName
return object.StringObjectFromGoString(str)
}

func jjPanic([]interface{}) interface{} {
trace.Warning("jjPanic: Will cause a Go runtime divide by zero panic")
var zero = 0
zero = 1 / zero
errMsg := "jjPanic: What??? No splash???"
return ghelpers.GetGErrBlk(excNames.VirtualMachineError, errMsg)
}
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