Adding cython v0.20.2 in third-party.

third_party/cython/src/Cython/Compiler/Naming.py

Index: third_party/cython/src/Cython/Compiler/Naming.py
diff --git a/third_party/cython/src/Cython/Compiler/Naming.py b/third_party/cython/src/Cython/Compiler/Naming.py
new file mode 100644
index 0000000000000000000000000000000000000000..3546c8fbe1f087dc3e66f6ded8b31f3fecdd7b34
--- /dev/null
+++ b/third_party/cython/src/Cython/Compiler/Naming.py
@@ -0,0 +1,147 @@
+#
+#   C naming conventions
+#
+#
+#   Prefixes for generating C names.
+#   Collected here to facilitate ensuring uniqueness.
+#
+
+pyrex_prefix    = "__pyx_"
+
+
+codewriter_temp_prefix = pyrex_prefix + "t_"
+
+temp_prefix       = u"__cyt_"
+
+builtin_prefix    = pyrex_prefix + "builtin_"
+arg_prefix        = pyrex_prefix + "arg_"
+funcdoc_prefix    = pyrex_prefix + "doc_"
+enum_prefix       = pyrex_prefix + "e_"
+func_prefix       = pyrex_prefix + "f_"
+pyfunc_prefix     = pyrex_prefix + "pf_"
+pywrap_prefix     = pyrex_prefix + "pw_"
+genbody_prefix    = pyrex_prefix + "gb_"
+gstab_prefix      = pyrex_prefix + "getsets_"
+prop_get_prefix   = pyrex_prefix + "getprop_"
+const_prefix      = pyrex_prefix + "k_"
+py_const_prefix   = pyrex_prefix + "kp_"
+label_prefix      = pyrex_prefix + "L"
+pymethdef_prefix  = pyrex_prefix + "mdef_"
+methtab_prefix    = pyrex_prefix + "methods_"
+memtab_prefix     = pyrex_prefix + "members_"
+objstruct_prefix  = pyrex_prefix + "obj_"
+typeptr_prefix    = pyrex_prefix + "ptype_"
+prop_set_prefix   = pyrex_prefix + "setprop_"
+type_prefix       = pyrex_prefix + "t_"
+typeobj_prefix    = pyrex_prefix + "type_"
+var_prefix        = pyrex_prefix + "v_"
+varptr_prefix     = pyrex_prefix + "vp_"
+wrapperbase_prefix= pyrex_prefix + "wrapperbase_"
+pybuffernd_prefix   = pyrex_prefix + "pybuffernd_"
+pybufferstruct_prefix  = pyrex_prefix + "pybuffer_"
+vtable_prefix     = pyrex_prefix + "vtable_"
+vtabptr_prefix    = pyrex_prefix + "vtabptr_"
+vtabstruct_prefix = pyrex_prefix + "vtabstruct_"
+opt_arg_prefix    = pyrex_prefix + "opt_args_"
+convert_func_prefix = pyrex_prefix + "convert_"
+closure_scope_prefix = pyrex_prefix + "scope_"
+closure_class_prefix = pyrex_prefix + "scope_struct_"
+lambda_func_prefix = pyrex_prefix + "lambda_"
+module_is_main   = pyrex_prefix + "module_is_main_"
+defaults_struct_prefix = pyrex_prefix + "defaults"
+dynamic_args_cname = pyrex_prefix + "dynamic_args"
+
+interned_prefixes = {
+    'str': pyrex_prefix + "n_",
+    'int': pyrex_prefix + "int_",
+    'float': pyrex_prefix + "float_",
+    'tuple': pyrex_prefix + "tuple_",
+    'codeobj': pyrex_prefix + "codeobj_",
+    'slice': pyrex_prefix + "slice_",
+    'ustring': pyrex_prefix + "ustring_",
+}
+
+args_cname       = pyrex_prefix + "args"
+generator_cname  = pyrex_prefix + "generator"
+sent_value_cname = pyrex_prefix + "sent_value"
+pykwdlist_cname  = pyrex_prefix + "pyargnames"
+obj_base_cname   = pyrex_prefix + "base"
+builtins_cname   = pyrex_prefix + "b"
+preimport_cname  = pyrex_prefix + "i"
+moddict_cname    = pyrex_prefix + "d"
+dummy_cname      = pyrex_prefix + "dummy"
+filename_cname   = pyrex_prefix + "filename"
+modulename_cname = pyrex_prefix + "modulename"
+filetable_cname  = pyrex_prefix + "f"
+intern_tab_cname = pyrex_prefix + "intern_tab"
+kwds_cname       = pyrex_prefix + "kwds"
+lineno_cname     = pyrex_prefix + "lineno"
+clineno_cname    = pyrex_prefix + "clineno"
+cfilenm_cname    = pyrex_prefix + "cfilenm"
+module_cname     = pyrex_prefix + "m"
+moddoc_cname     = pyrex_prefix + "mdoc"
+methtable_cname  = pyrex_prefix + "methods"
+retval_cname     = pyrex_prefix + "r"
+reqd_kwds_cname  = pyrex_prefix + "reqd_kwds"
+self_cname       = pyrex_prefix + "self"
+stringtab_cname  = pyrex_prefix + "string_tab"
+vtabslot_cname   = pyrex_prefix + "vtab"
+c_api_tab_cname  = pyrex_prefix + "c_api_tab"
+gilstate_cname   = pyrex_prefix + "state"
+skip_dispatch_cname = pyrex_prefix + "skip_dispatch"
+empty_tuple      = pyrex_prefix + "empty_tuple"
+empty_bytes      = pyrex_prefix + "empty_bytes"
+print_function   = pyrex_prefix + "print"
+print_function_kwargs   = pyrex_prefix + "print_kwargs"
+cleanup_cname    = pyrex_prefix + "module_cleanup"
+pymoduledef_cname = pyrex_prefix + "moduledef"
+optional_args_cname = pyrex_prefix + "optional_args"
+import_star      = pyrex_prefix + "import_star"
+import_star_set  = pyrex_prefix + "import_star_set"
+outer_scope_cname= pyrex_prefix + "outer_scope"
+cur_scope_cname  = pyrex_prefix + "cur_scope"
+enc_scope_cname  = pyrex_prefix + "enc_scope"
+frame_cname      = pyrex_prefix + "frame"
+frame_code_cname = pyrex_prefix + "frame_code"
+binding_cfunc    = pyrex_prefix + "binding_PyCFunctionType"
+fused_func_prefix = pyrex_prefix + 'fuse_'
+quick_temp_cname = pyrex_prefix + "temp" # temp variable for quick'n'dirty temping
+
+global_code_object_cache_find = pyrex_prefix + 'find_code_object'
+global_code_object_cache_insert = pyrex_prefix + 'insert_code_object'
+
+genexpr_id_ref = 'genexpr'
+freelist_name  = 'freelist'
+freecount_name = 'freecount'
+
+line_c_macro = "__LINE__"
+
+file_c_macro = "__FILE__"
+
+extern_c_macro  = pyrex_prefix.upper() + "EXTERN_C"
+
+exc_type_name   = pyrex_prefix + "exc_type"
+exc_value_name  = pyrex_prefix + "exc_value"
+exc_tb_name     = pyrex_prefix + "exc_tb"
+exc_lineno_name = pyrex_prefix + "exc_lineno"
+
+parallel_exc_type = pyrex_prefix + "parallel_exc_type"
+parallel_exc_value = pyrex_prefix + "parallel_exc_value"
+parallel_exc_tb = pyrex_prefix + "parallel_exc_tb"
+parallel_filename = pyrex_prefix + "parallel_filename"
+parallel_lineno = pyrex_prefix + "parallel_lineno"
+parallel_clineno = pyrex_prefix + "parallel_clineno"
+parallel_why = pyrex_prefix + "parallel_why"
+
+exc_vars = (exc_type_name, exc_value_name, exc_tb_name)
+
+api_name        = pyrex_prefix + "capi__"
+
+h_guard_prefix   = "__PYX_HAVE__"
+api_guard_prefix = "__PYX_HAVE_API__"
+api_func_guard   = "__PYX_HAVE_API_FUNC_"
+
+PYX_NAN          = "__PYX_NAN()"
+
+def py_version_hex(major, minor=0, micro=0, release_level=0, release_serial=0):
+    return (major << 24) | (minor << 16) | (micro << 8) | (release_level << 4) | (release_serial)