Staging
v0.5.1
v0.5.1
https://github.com/python/cpython
Revision cf0d8ab818852503057b8ade6cccc403fbb5d2be authored by Barry Warsaw on 23 May 2011, 19:22:56 UTC, committed by Barry Warsaw on 23 May 2011, 19:22:56 UTC
message: Reconcile with the 2.6svn branch. The 2.6.7 release will be made from Subversion, but there were differences, so this brings them in sync. These changes should *not* propagate to any newer versions.
1 parent e26bc10
Tip revision: cf0d8ab818852503057b8ade6cccc403fbb5d2be authored by Barry Warsaw on 23 May 2011, 19:22:56 UTC
Replay changeset 70238:03e488b5c009 from fubar branch. Original commit
Replay changeset 70238:03e488b5c009 from fubar branch. Original commit
Tip revision: cf0d8ab
grammar1.c
/* Grammar subroutines needed by parser */
#include "Python.h"
#include "pgenheaders.h"
#include "grammar.h"
#include "token.h"
/* Return the DFA for the given type */
dfa *
PyGrammar_FindDFA(grammar *g, register int type)
{
register dfa *d;
#if 1
/* Massive speed-up */
d = &g->g_dfa[type - NT_OFFSET];
assert(d->d_type == type);
return d;
#else
/* Old, slow version */
register int i;
for (i = g->g_ndfas, d = g->g_dfa; --i >= 0; d++) {
if (d->d_type == type)
return d;
}
assert(0);
/* NOTREACHED */
#endif
}
char *
PyGrammar_LabelRepr(label *lb)
{
static char buf[100];
if (lb->lb_type == ENDMARKER)
return "EMPTY";
else if (ISNONTERMINAL(lb->lb_type)) {
if (lb->lb_str == NULL) {
PyOS_snprintf(buf, sizeof(buf), "NT%d", lb->lb_type);
return buf;
}
else
return lb->lb_str;
}
else {
if (lb->lb_str == NULL)
return _PyParser_TokenNames[lb->lb_type];
else {
PyOS_snprintf(buf, sizeof(buf), "%.32s(%.32s)",
_PyParser_TokenNames[lb->lb_type], lb->lb_str);
return buf;
}
}
}
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