Mirror
/
cpython
mirror of https://github.com/python/cpython
4
1
Fork 0
Code Issues Releases Wiki Activity

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

a new grammar.
CID 715360
This commit is contained in:
Christian Heimes 2013-07-22 10:30:45 +02:00
parent 3a8573230c 53d2dc4045
commit 826b754e32
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
Parser/grammar1.c
View File

@ -45,7 +45,7 @@ PyGrammar_LabelRepr(label *lb)
else
return lb->lb_str;
}
else {
else if (lb->lb_type < N_TOKENS) {
if (lb->lb_str == NULL)
return _PyParser_TokenNames[lb->lb_type];
else {
@ -54,4 +54,7 @@ PyGrammar_LabelRepr(label *lb)
return buf;
}
}
else {
Py_FatalError("invalid label");
}
}