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Catch non-string result from repr when trying to print exceptions

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This commit is contained in:
K. Lange 2021-02-18 08:14:57 +09:00
parent f70cc3619b
commit 7cfd68d047
1 changed files with 6 additions and 1 deletions
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7
src/vm.c
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@ -209,7 +209,12 @@ void krk_dumpTraceback() {
if (!krk_valuesEqual(krk_currentThread.currentException,NONE_VAL())) {
krk_push(krk_currentThread.currentException);
KrkValue result = krk_callSimple(OBJECT_VAL(krk_getType(krk_currentThread.currentException)->_reprer), 1, 0);
fprintf(stderr, "%s\n", AS_CSTRING(result));
if (!IS_STRING(result)) {
fprintf(stderr, "Error while processing exception: Expected %s.__repr__ to produce a string, not '%s'.\n",
krk_typeName(krk_currentThread.currentException), krk_typeName(result));
} else {
fprintf(stderr, "%s\n", AS_CSTRING(result));
}
}
}