python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Parser/grammar1.c

@@ -0,0 +1,61 @@
+
+/* 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;
+    }
+}