diff options
Diffstat (limited to 'AppPkg/Applications/Python/Python-2.7.10/Parser/grammar1.c')
-rw-r--r-- | AppPkg/Applications/Python/Python-2.7.10/Parser/grammar1.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/AppPkg/Applications/Python/Python-2.7.10/Parser/grammar1.c b/AppPkg/Applications/Python/Python-2.7.10/Parser/grammar1.c new file mode 100644 index 0000000000..27db22f3f9 --- /dev/null +++ b/AppPkg/Applications/Python/Python-2.7.10/Parser/grammar1.c @@ -0,0 +1,57 @@ +
+/* 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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