Ready for numba/llnumba -> llvmpy/llpython

llpython/gen_bytecode_visitor.py

@@ -0,0 +1,27 @@
+#! /usr/bin/env python
+# ______________________________________________________________________
+
+import opcode_util
+
+# ______________________________________________________________________
+
+def generate_bytecode_visitor (classname = 'BytecodeVisitor',
+                               baseclass = 'object'):
+    opnames = list(set((opname.split('+')[0]
+                        for opname in opcode_util.OPCODE_MAP.keys())))
+    opnames.sort()
+    return 'class %s (%s):\n%s\n' % (
+        classname, baseclass,
+        '\n\n'.join(('    def op_%s (self, i, op, arg):\n'
+                     '        raise NotImplementedError("%s.op_%s")' %
+                     (opname, classname, opname)
+                     for opname in opnames)))
+
+# ______________________________________________________________________
+
+if __name__ == "__main__":
+    import sys
+    print(generate_bytecode_visitor(*sys.argv[1:]))
+
+# ______________________________________________________________________
+# End of gen_bytecode_visitor.py