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v0.5.1
v0.5.1
https://github.com/python/cpython
Revision ff6c5c5466d28868b881314400cd44a34f0d3cf6 authored by Senthil Kumaran on 05 June 2016, 03:52:57 UTC, committed by Senthil Kumaran on 05 June 2016, 03:52:57 UTC
Patch contributed by Jelle Zijlstra.
1 parent 7749320
Tip revision: ff6c5c5466d28868b881314400cd44a34f0d3cf6 authored by Senthil Kumaran on 05 June 2016, 03:52:57 UTC
issue27202 - Exclude 2.x release notes from python3 make doctests.
issue27202 - Exclude 2.x release notes from python3 make doctests.
Tip revision: ff6c5c5
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, int type)
{
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 */
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
}
const 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_type < N_TOKENS) {
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;
}
}
else {
Py_FatalError("invalid label");
return NULL;
}
}
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