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Add sanity check to PyGrammar_LabelRepr() in order to catch invalid tokens when debugging

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a new grammar.
CID 715360
This commit is contained in:
Christian Heimes 2013-07-22 10:30:14 +02:00
parent 43d82df406
commit 53d2dc4045
1 changed files with 4 additions and 1 deletions
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5
Parser/grammar1.c
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@ -45,7 +45,7 @@ PyGrammar_LabelRepr(label *lb)
else else
return lb->lb_str; return lb->lb_str;
} }
else { else if (lb->lb_type < N_TOKENS) {
if (lb->lb_str == NULL) if (lb->lb_str == NULL)
return _PyParser_TokenNames[lb->lb_type]; return _PyParser_TokenNames[lb->lb_type];
else { else {
@ -54,4 +54,7 @@ PyGrammar_LabelRepr(label *lb)
return buf; return buf;
} }
} }
else {
Py_FatalError("invalid label");
}
} }