Add Python license info, add parse.c source generated by Cython.

4 files changed, 3328 insertions, 156 deletions

diff --git a/sphinx/pycode/__init__.py b/sphinx/pycode/__init__.py
index a61208d5..d707db2d 100644
--- a/sphinx/pycode/__init__.py
+++ b/sphinx/pycode/__init__.py
@@ -5,7 +5,7 @@
 
     Utilities parsing and analyzing Python code.
 
-    :copyright: 2008 by Georg Brandl.
+    :copyright: 2008-2009 by Georg Brandl.
     :license: BSD, see LICENSE for details.
 """
 
@@ -13,7 +13,7 @@ import sys
 from os import path
 from cStringIO import StringIO
 
-from sphinx.pycode import pytree
+from sphinx.pycode import nodes
 from sphinx.pycode.pgen2 import driver, token, tokenize, parse, literals
 from sphinx.util.docstrings import prepare_docstring, prepare_commentdoc
 
@@ -21,7 +21,7 @@ from sphinx.util.docstrings import prepare_docstring, prepare_commentdoc
 # load the Python grammar
 _grammarfile = path.join(path.dirname(__file__), 'Grammar.txt')
 pygrammar = driver.load_grammar(_grammarfile)
-pydriver = driver.Driver(pygrammar, convert=pytree.convert)
+pydriver = driver.Driver(pygrammar, convert=nodes.convert)
 
 # an object with attributes corresponding to token and symbol names
 class sym: pass
@@ -35,10 +35,10 @@ number2name = pygrammar.number2symbol.copy()
 number2name.update(token.tok_name)
 
 
-_eq = pytree.Leaf(token.EQUAL, '=')
+_eq = nodes.Leaf(token.EQUAL, '=')
 
 
-class AttrDocVisitor(pytree.NodeVisitor):
+class AttrDocVisitor(nodes.NodeVisitor):
     """
     Visitor that collects docstrings for attribute assignments on toplevel and
     in classes.
@@ -263,5 +263,5 @@ if __name__ == '__main__':
     #    print '\n'.join(doc)
     pprint.pprint(ma.find_tags())
     x3 = time.time()
-    #print pytree.nice_repr(ma.parsetree, number2name)
+    #print nodes.nice_repr(ma.parsetree, number2name)
     print "tokenizing %.4f, parsing %.4f, finding %.4f" % (x1-x0, x2-x1, x3-x2)
diff --git a/sphinx/pycode/pytree.py b/sphinx/pycode/nodes.py
index 063e39ec..d0fb522b 100644
--- a/sphinx/pycode/pytree.py
+++ b/sphinx/pycode/nodes.py
@@ -1,100 +1,53 @@
-# Copyright 2006 Google, Inc. All Rights Reserved.
-# Licensed to PSF under a Contributor Agreement.
-
-"""Python parse tree definitions.
-
-This is a very concrete parse tree; we need to keep every token and
-even the comments and whitespace between tokens.
-
-Adapted for read-only nodes from pytree.py in Python's 2to3 tool, and
-added a few bits.
+# -*- coding: utf-8 -*-
 """
+    sphinx.pycode.nodes
+    ~~~~~~~~~~~~~~~~~~~
 
-__author__ = "Guido van Rossum <guido@python.org>"
-
-
-class Base(object):
+    Parse tree node implementations.
 
-    """Abstract base class for Node and Leaf.
+    :copyright: 2009 by Georg Brandl.
+    :license: BSD, see LICENSE for details.
+"""
 
-    This provides some default functionality and boilerplate using the
-    template pattern.
 
-    A node may be a subnode of at most one parent.
+class BaseNode(object):
+    """
+    Node superclass for both terminal and nonterminal nodes.
     """
 
-    # Default values for instance variables
-    type = None    # int: token number (< 256) or symbol number (>= 256)
-    parent = None  # Parent node pointer, or None
-    children = ()  # Tuple of subnodes
-    was_changed = False
+    def _eq(self, other):
+        raise NotImplementedError
 
     def __eq__(self, other):
-        """Compares two nodes for equality.
-
-        This calls the method _eq().
-        """
         if self.__class__ is not other.__class__:
             return NotImplemented
         return self._eq(other)
 
     def __ne__(self, other):
-        """Compares two nodes for inequality.
-
-        This calls the method _eq().
-        """
         if self.__class__ is not other.__class__:
             return NotImplemented
         return not self._eq(other)
 
-    def _eq(self, other):
-        """Compares two nodes for equality.
-
-        This is called by __eq__ and __ne__.  It is only called if the
-        two nodes have the same type.  This must be implemented by the
-        concrete subclass.  Nodes should be considered equal if they
-        have the same structure, ignoring the prefix string and other
-        context information.
-        """
-        raise NotImplementedError
-
-    def get_lineno(self):
-        """Returns the line number which generated the invocant node."""
-        node = self
-        while not isinstance(node, Leaf):
-            if not node.children:
-                return
-            node = node.children[0]
-        return node.lineno
-
-    def get_next_sibling(self):
-        """Return the node immediately following the invocant in their
-        parent's children list. If the invocant does not have a next
-        sibling, return None."""
+    def get_prev_sibling(self):
+        """Return previous child in parent's children, or None."""
         if self.parent is None:
             return None
-
-        # Can't use index(); we need to test by identity
         for i, child in enumerate(self.parent.children):
             if child is self:
-                try:
-                    return self.parent.children[i+1]
-                except IndexError:
+                if i == 0:
                     return None
+                return self.parent.children[i-1]
 
-    def get_prev_sibling(self):
-        """Return the node immediately preceding the invocant in their
-        parent's children list. If the invocant does not have a previous
-        sibling, return None."""
+    def get_next_sibling(self):
+        """Return next child in parent's children, or None."""
         if self.parent is None:
             return None
-
-        # Can't use index(); we need to test by identity
         for i, child in enumerate(self.parent.children):
             if child is self:
-                if i == 0:
+                try:
+                    return self.parent.children[i+1]
+                except IndexError:
                     return None
-                return self.parent.children[i-1]
 
     def get_prev_leaf(self):
         """Return the leaf node that precedes this node in the parse tree."""
@@ -114,46 +67,51 @@ class Base(object):
             return last_child(prev)
         return self.parent.get_prev_leaf()
 
-    def get_suffix(self):
-        """Return the string immediately following the invocant node. This
-        is effectively equivalent to node.get_next_sibling().get_prefix()"""
-        next_sib = self.get_next_sibling()
-        if next_sib is None:
-            return ""
-        return next_sib.get_prefix()
-
+    def get_next_leaf(self):
+        """Return self if leaf, otherwise the leaf node that succeeds this
+        node in the parse tree.
+        """
+        node = self
+        while not isinstance(node, Leaf):
+            assert node.children
+            node = node.children[0]
+        return node
 
-class Node(Base):
+    def get_lineno(self):
+        """Return the line number which generated the invocant node."""
+        return self.get_next_leaf().lineno
 
-    """Concrete implementation for interior nodes."""
+    def get_prefix(self):
+        """Return the prefix of the next leaf node."""
+        # only leaves carry a prefix
+        return self.get_next_leaf().prefix
 
-    def __init__(self, type, children, context=None):
-        """Initializer.
 
-        Takes a type constant (a symbol number >= 256), a sequence of
-        child nodes, and an optional context keyword argument.
+class Node(BaseNode):
+    """
+    Node implementation for nonterminals.
+    """
 
-        As a side effect, the parent pointers of the children are updated.
-        """
+    def __init__(self, type, children, context=None):
+        # type of nonterminals is >= 256
         # assert type >= 256, type
         self.type = type
         self.children = list(children)
         for ch in self.children:
             # assert ch.parent is None, repr(ch)
             ch.parent = self
-        # if prefix is not None:
-        #     self.set_prefix(prefix)
 
     def __repr__(self):
-        return "%s(%s, %r)" % (self.__class__.__name__,
-                               self.type, self.children)
+        return '%s(%s, %r)' % (self.__class__.__name__, self.type, self.children)
 
     def __str__(self):
         """This reproduces the input source exactly."""
-        return "".join(map(str, self.children))
+        return ''.join(map(str, self.children))
 
-    def compact(self):
-        return ''.join(child.compact() for child in self.children)
+    def _eq(self, other):
+        return (self.type, self.children) == (other.type, other.children)
+
+    # support indexing the node directly instead of .children
 
     def __getitem__(self, index):
         return self.children[index]
@@ -164,84 +122,35 @@ class Node(Base):
     def __len__(self):
         return len(self.children)
 
-    def _eq(self, other):
-        """Compares two nodes for equality."""
-        return (self.type, self.children) == (other.type, other.children)
-
-    def post_order(self):
-        """Returns a post-order iterator for the tree."""
-        for child in self.children:
-            for node in child.post_order():
-                yield node
-        yield self
 
-    def pre_order(self):
-        """Returns a pre-order iterator for the tree."""
-        yield self
-        for child in self.children:
-            for node in child.post_order():
-                yield node
-
-    def get_prefix(self):
-        """Returns the prefix for the node.
-
-        This passes the call on to the first child.
-        """
-        if not self.children:
-            return ""
-        return self.children[0].get_prefix()
-
-
-class Leaf(Base):
-
-    """Concrete implementation for leaf nodes."""
-
-    # Default values for instance variables
-    prefix = ""  # Whitespace and comments preceding this token in the input
+class Leaf(BaseNode):
+    """
+    Node implementation for leaf nodes (terminals).
+    """
+    prefix = ''  # Whitespace and comments preceding this token in the input
     lineno = 0   # Line where this token starts in the input
     column = 0   # Column where this token tarts in the input
 
     def __init__(self, type, value, context=None):
-        """Initializer.
-
-        Takes a type constant (a token number < 256), a string value,
-        and an optional context keyword argument.
-        """
+        # type of terminals is below 256
         # assert 0 <= type < 256, type
-        if context is not None:
-            self.prefix, (self.lineno, self.column) = context
         self.type = type
         self.value = value
-        # if prefix is not None:
-        #     self.prefix = prefix
+        if context is not None:
+            self.prefix, (self.lineno, self.column) = context
 
     def __repr__(self):
-        return "%s(%r, %r, %r)" % (self.__class__.__name__,
+        return '%s(%r, %r, %r)' % (self.__class__.__name__,
                                    self.type, self.value, self.prefix)
 
     def __str__(self):
         """This reproduces the input source exactly."""
         return self.prefix + str(self.value)
 
-    def compact(self):
-        return str(self.value)
-
     def _eq(self, other):
         """Compares two nodes for equality."""
         return (self.type, self.value) == (other.type, other.value)
 
-    def post_order(self):
-        """Returns a post-order iterator for the tree."""
-        yield self
-
-    def pre_order(self):
-        """Returns a pre-order iterator for the tree."""
-        yield self
-
-    def get_prefix(self):
-        """Returns the prefix for the node."""
-        return self.prefix
-
 
 def convert(grammar, raw_node):
     """Convert raw node to a Node or Leaf instance."""
diff --git a/sphinx/pycode/pgen2/parse.c b/sphinx/pycode/pgen2/parse.c
new file mode 100644
index 00000000..fd0e9ff9
--- /dev/null
+++ b/sphinx/pycode/pgen2/parse.c
@@ -0,0 +1,3261 @@
+/* Generated by Cython 0.9.8.1 on Thu Jan  1 23:45:38 2009 */
+
+#define PY_SSIZE_T_CLEAN
+#include "Python.h"
+#include "structmember.h"
+#ifndef PY_LONG_LONG
+  #define PY_LONG_LONG LONG_LONG
+#endif
+#ifndef DL_EXPORT
+  #define DL_EXPORT(t) t
+#endif
+#if PY_VERSION_HEX < 0x02040000
+  #define METH_COEXIST 0
+#endif
+#if PY_VERSION_HEX < 0x02050000
+  typedef int Py_ssize_t;
+  #define PY_SSIZE_T_MAX INT_MAX
+  #define PY_SSIZE_T_MIN INT_MIN
+  #define PyInt_FromSsize_t(z) PyInt_FromLong(z)
+  #define PyInt_AsSsize_t(o)   PyInt_AsLong(o)
+  #define PyNumber_Index(o)    PyNumber_Int(o)
+  #define PyIndex_Check(o)     PyNumber_Check(o)
+#endif
+#if PY_VERSION_HEX < 0x02060000
+  #define Py_REFCNT(ob) (((PyObject*)(ob))->ob_refcnt)
+  #define Py_TYPE(ob)   (((PyObject*)(ob))->ob_type)
+  #define Py_SIZE(ob)   (((PyVarObject*)(ob))->ob_size)
+  #define PyVarObject_HEAD_INIT(type, size) \
+          PyObject_HEAD_INIT(type) size,
+  #define PyType_Modified(t)
+
+  typedef struct {
+       void *buf;
+       Py_ssize_t len;
+       int readonly;
+       const char *format;
+       int ndim;
+       Py_ssize_t *shape;
+       Py_ssize_t *strides;
+       Py_ssize_t *suboffsets;
+       Py_ssize_t itemsize;
+       void *internal;
+  } Py_buffer;
+
+  #define PyBUF_SIMPLE 0
+  #define PyBUF_WRITABLE 0x0001
+  #define PyBUF_LOCK 0x0002
+  #define PyBUF_FORMAT 0x0004
+  #define PyBUF_ND 0x0008
+  #define PyBUF_STRIDES (0x0010 | PyBUF_ND)
+  #define PyBUF_C_CONTIGUOUS (0x0020 | PyBUF_STRIDES)
+  #define PyBUF_F_CONTIGUOUS (0x0040 | PyBUF_STRIDES)
+  #define PyBUF_ANY_CONTIGUOUS (0x0080 | PyBUF_STRIDES)
+  #define PyBUF_INDIRECT (0x0100 | PyBUF_STRIDES)
+
+#endif
+#if PY_MAJOR_VERSION < 3
+  #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
+#else
+  #define __Pyx_BUILTIN_MODULE_NAME "builtins"
+#endif
+#if PY_MAJOR_VERSION >= 3
+  #define Py_TPFLAGS_CHECKTYPES 0
+  #define Py_TPFLAGS_HAVE_INDEX 0
+#endif
+#if PY_MAJOR_VERSION >= 3
+  #define PyBaseString_Type            PyUnicode_Type
+  #define PyString_Type                PyBytes_Type
+  #define PyInt_Type                   PyLong_Type
+  #define PyInt_Check(op)              PyLong_Check(op)
+  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
+  #define PyInt_FromString             PyLong_FromString
+  #define PyInt_FromUnicode            PyLong_FromUnicode
+  #define PyInt_FromLong               PyLong_FromLong
+  #define PyInt_FromSize_t             PyLong_FromSize_t
+  #define PyInt_FromSsize_t            PyLong_FromSsize_t
+  #define PyInt_AsLong                 PyLong_AsLong
+  #define PyInt_AS_LONG                PyLong_AS_LONG
+  #define PyInt_AsSsize_t              PyLong_AsSsize_t
+  #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
+  #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
+  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
+#else
+  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
+  #define PyBytes_Type                 PyString_Type
+#endif
+#if PY_MAJOR_VERSION >= 3
+  #define PyMethod_New(func, self, klass) PyInstanceMethod_New(func)
+#endif
+#if !defined(WIN32) && !defined(MS_WINDOWS)
+  #ifndef __stdcall
+    #define __stdcall
+  #endif
+  #ifndef __cdecl
+    #define __cdecl
+  #endif
+#else
+  #define _USE_MATH_DEFINES
+#endif
+#ifdef __cplusplus
+#define __PYX_EXTERN_C extern "C"
+#else
+#define __PYX_EXTERN_C extern
+#endif
+#include <math.h>
+#define __PYX_HAVE_API__sphinx__pycode__pgen2__parse
+
+
+#ifdef __GNUC__
+#define INLINE __inline__
+#elif _WIN32
+#define INLINE __inline
+#else
+#define INLINE 
+#endif
+
+typedef struct {PyObject **p; char *s; long n; char is_unicode; char intern; char is_identifier;} __Pyx_StringTabEntry; /*proto*/
+
+
+
+static int __pyx_skip_dispatch = 0;
+
+
+/* Type Conversion Predeclarations */
+
+#if PY_MAJOR_VERSION < 3
+#define __Pyx_PyBytes_FromString PyString_FromString
+#define __Pyx_PyBytes_AsString   PyString_AsString
+#else
+#define __Pyx_PyBytes_FromString PyBytes_FromString
+#define __Pyx_PyBytes_AsString   PyBytes_AsString
+#endif
+
+#define __Pyx_PyBool_FromLong(b) ((b) ? (Py_INCREF(Py_True), Py_True) : (Py_INCREF(Py_False), Py_False))
+static INLINE int __Pyx_PyObject_IsTrue(PyObject* x);
+static INLINE PY_LONG_LONG __pyx_PyInt_AsLongLong(PyObject* x);
+static INLINE unsigned PY_LONG_LONG __pyx_PyInt_AsUnsignedLongLong(PyObject* x);
+static INLINE Py_ssize_t __pyx_PyIndex_AsSsize_t(PyObject* b);
+
+#define __pyx_PyInt_AsLong(x) (PyInt_CheckExact(x) ? PyInt_AS_LONG(x) : PyInt_AsLong(x))
+#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
+
+static INLINE unsigned char __pyx_PyInt_unsigned_char(PyObject* x);
+static INLINE unsigned short __pyx_PyInt_unsigned_short(PyObject* x);
+static INLINE char __pyx_PyInt_char(PyObject* x);
+static INLINE short __pyx_PyInt_short(PyObject* x);
+static INLINE int __pyx_PyInt_int(PyObject* x);
+static INLINE long __pyx_PyInt_long(PyObject* x);
+static INLINE signed char __pyx_PyInt_signed_char(PyObject* x);
+static INLINE signed short __pyx_PyInt_signed_short(PyObject* x);
+static INLINE signed int __pyx_PyInt_signed_int(PyObject* x);
+static INLINE signed long __pyx_PyInt_signed_long(PyObject* x);
+static INLINE long double __pyx_PyInt_long_double(PyObject* x);
+#ifdef __GNUC__
+/* Test for GCC > 2.95 */
+#if __GNUC__ > 2 ||               (__GNUC__ == 2 && (__GNUC_MINOR__ > 95)) 
+#define likely(x)   __builtin_expect(!!(x), 1)
+#define unlikely(x) __builtin_expect(!!(x), 0)
+#else /* __GNUC__ > 2 ... */
+#define likely(x)   (x)
+#define unlikely(x) (x)
+#endif /* __GNUC__ > 2 ... */
+#else /* __GNUC__ */
+#define likely(x)   (x)
+#define unlikely(x) (x)
+#endif /* __GNUC__ */
+    
+static PyObject *__pyx_m;
+static PyObject *__pyx_b;
+static PyObject *__pyx_empty_tuple;
+static int __pyx_lineno;
+static int __pyx_clineno = 0;
+static const char * __pyx_cfilenm= __FILE__;
+static const char *__pyx_filename;
+static const char **__pyx_f;
+
+static INLINE void __Pyx_RaiseArgtupleTooLong(Py_ssize_t num_expected, Py_ssize_t num_found); /*proto*/
+
+static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list); /*proto*/
+
+static PyObject *__Pyx_GetName(PyObject *dict, PyObject *name); /*proto*/
+
+static PyObject *__Pyx_CreateClass(PyObject *bases, PyObject *dict, PyObject *name, char *modname); /*proto*/
+
+static INLINE PyObject *__Pyx_GetItemInt(PyObject *o, Py_ssize_t i, int is_unsigned) {
+    PyObject *r;
+    if (PyList_CheckExact(o) && 0 <= i && i < PyList_GET_SIZE(o)) {
+        r = PyList_GET_ITEM(o, i);
+        Py_INCREF(r);
+    }
+    else if (PyTuple_CheckExact(o) && 0 <= i && i < PyTuple_GET_SIZE(o)) {
+        r = PyTuple_GET_ITEM(o, i);
+        Py_INCREF(r);
+    }
+    else if (Py_TYPE(o)->tp_as_sequence && Py_TYPE(o)->tp_as_sequence->sq_item && (likely(i >= 0) || !is_unsigned))
+        r = PySequence_GetItem(o, i);
+    else {
+        PyObject *j = (likely(i >= 0) || !is_unsigned) ? PyInt_FromLong(i) : PyLong_FromUnsignedLongLong((sizeof(unsigned long long) > sizeof(Py_ssize_t) ? (1ULL << (sizeof(Py_ssize_t)*8)) : 0) + i);
+        if (!j)
+            return 0;
+        r = PyObject_GetItem(o, j);
+        Py_DECREF(j);
+    }
+    return r;
+}
+
+static PyObject *__Pyx_UnpackItem(PyObject *, Py_ssize_t index); /*proto*/
+static int __Pyx_EndUnpack(PyObject *); /*proto*/
+
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb); /*proto*/
+
+static INLINE PyObject* __Pyx_PyObject_Append(PyObject* L, PyObject* x) {
+    if (likely(PyList_CheckExact(L))) {
+        if (PyList_Append(L, x) < 0) return NULL;
+        Py_INCREF(Py_None);
+        return Py_None; // this is just to have an accurate signature
+    }
+    else {
+        return PyObject_CallMethod(L, "append", "(O)", x);
+    }
+}
+
+static INLINE int __Pyx_SetItemInt(PyObject *o, Py_ssize_t i, PyObject *v, int is_unsigned) {
+    int r;
+    if (PyList_CheckExact(o) && 0 <= i && i < PyList_GET_SIZE(o)) {
+        Py_DECREF(PyList_GET_ITEM(o, i));
+        Py_INCREF(v);
+        PyList_SET_ITEM(o, i, v);
+        return 1;
+    }
+    else if (Py_TYPE(o)->tp_as_sequence && Py_TYPE(o)->tp_as_sequence->sq_ass_item && (likely(i >= 0) || !is_unsigned))
+        r = PySequence_SetItem(o, i, v);
+    else {
+        PyObject *j = (likely(i >= 0) || !is_unsigned) ? PyInt_FromLong(i) : PyLong_FromUnsignedLongLong((sizeof(unsigned long long) > sizeof(Py_ssize_t) ? (1ULL << (sizeof(Py_ssize_t)*8)) : 0) + i);
+        if (!j)
+            return -1;
+        r = PyObject_SetItem(o, j, v);
+        Py_DECREF(j);
+    }
+    return r;
+}
+
+static void __Pyx_WriteUnraisable(const char *name); /*proto*/
+
+static int __Pyx_SetVtable(PyObject *dict, void *vtable); /*proto*/
+
+static void __Pyx_AddTraceback(const char *funcname); /*proto*/
+
+static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); /*proto*/
+
+/* Type declarations */
+
+/* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":31
+ * 
+ * 
+ * cdef class Parser:             # <<<<<<<<<<<<<<
+ *     cdef public grammar, stack, rootnode, used_names
+ *     cdef _grammar_dfas, _grammar_labels, _grammar_keywords, _grammar_tokens
+ */
+
+struct __pyx_obj_6sphinx_6pycode_5pgen2_5parse_Parser {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_6sphinx_6pycode_5pgen2_5parse_Parser *__pyx_vtab;
+  PyObject *grammar;
+  PyObject *stack;
+  PyObject *rootnode;
+  PyObject *used_names;
+  PyObject *_grammar_dfas;
+  PyObject *_grammar_labels;
+  PyObject *_grammar_keywords;
+  PyObject *_grammar_tokens;
+  PyObject *_grammar_number2symbol;
+};
+
+
+struct __pyx_vtabstruct_6sphinx_6pycode_5pgen2_5parse_Parser {
+  int (*classify)(struct __pyx_obj_6sphinx_6pycode_5pgen2_5parse_Parser *, PyObject *, PyObject *, PyObject *);
+  void (*shift)(struct __pyx_obj_6sphinx_6pycode_5pgen2_5parse_Parser *, PyObject *, PyObject *, PyObject *, PyObject *);
+  void (*push)(struct __pyx_obj_6sphinx_6pycode_5pgen2_5parse_Parser *, PyObject *, PyObject *, PyObject *, PyObject *);
+  void (*pop)(struct __pyx_obj_6sphinx_6pycode_5pgen2_5parse_Parser *);
+  PyObject *(*convert)(struct __pyx_obj_6sphinx_6pycode_5pgen2_5parse_Parser *, PyObject *);
+};
+static struct __pyx_vtabstruct_6sphinx_6pycode_5pgen2_5parse_Parser *__pyx_vtabptr_6sphinx_6pycode_5pgen2_5parse_Parser;
+/* Module declarations from sphinx.pycode.pgen2.parse */
+
+static PyTypeObject *__pyx_ptype_6sphinx_6pycode_5pgen2_5parse_Parser = 0;
+
+
+/* Implementation of sphinx.pycode.pgen2.parse */
+static char __pyx_k_2[] = "Exception to signal the parser is stuck.";
+static PyObject *__pyx_int_0;
+static PyObject *__pyx_int_1;
+static char __pyx_k___init__[] = "__init__";
+static PyObject *__pyx_kp___init__;
+static char __pyx_k_setup[] = "setup";
+static PyObject *__pyx_kp_setup;
+static char __pyx_k_addtoken[] = "addtoken";
+static PyObject *__pyx_kp_addtoken;
+static char __pyx_k_1[] = "sphinx.pycode.nodes";
+static PyObject *__pyx_kp_1;
+static char __pyx_k_Node[] = "Node";
+static PyObject *__pyx_kp_Node;
+static char __pyx_k_Leaf[] = "Leaf";
+static PyObject *__pyx_kp_Leaf;
+static char __pyx_k_ParseError[] = "ParseError";
+static PyObject *__pyx_kp_ParseError;
+static char __pyx_k_Exception[] = "Exception";
+static PyObject *__pyx_kp_Exception;
+static char __pyx_k_msg[] = "msg";
+static PyObject *__pyx_kp_msg;
+static char __pyx_k_type[] = "type";
+static PyObject *__pyx_kp_type;
+static char __pyx_k_value[] = "value";
+static PyObject *__pyx_kp_value;
+static char __pyx_k_context[] = "context";
+static PyObject *__pyx_kp_context;
+static char __pyx_k_dfas[] = "dfas";
+static PyObject *__pyx_kp_dfas;
+static char __pyx_k_labels[] = "labels";
+static PyObject *__pyx_kp_labels;
+static char __pyx_k_keywords[] = "keywords";
+static PyObject *__pyx_kp_keywords;
+static char __pyx_k_tokens[] = "tokens";
+static PyObject *__pyx_kp_tokens;
+static char __pyx_k_4[] = "number2symbol";
+static PyObject *__pyx_kp_4;
+static char __pyx_k_start[] = "start";
+static PyObject *__pyx_kp_start;
+static char __pyx_k_add[] = "add";
+static PyObject *__pyx_kp_add;
+static char __pyx_k_get[] = "get";
+static PyObject *__pyx_kp_get;
+static char __pyx_k_append[] = "append";
+static PyObject *__pyx_kp_append;
+static char __pyx_k_pop[] = "pop";
+static PyObject *__pyx_kp_pop;
+static char __pyx_k_used_names[] = "used_names";
+static PyObject *__pyx_kp_used_names;
+static PyObject *__pyx_kp_2;
+static PyObject *__pyx_builtin_Exception;
+static PyObject *__pyx_kp_3;
+static char __pyx_k_3[] = "%s: type=%r, value=%r, context=%r";
+static PyObject *__pyx_kp_5;
+static PyObject *__pyx_kp_6;
+static char __pyx_k_5[] = "too much input";
+static char __pyx_k_6[] = "bad input";
+static PyObject *__pyx_kp_7;
+static char __pyx_k_7[] = "bad token";
+
+/* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":22
+ *     """Exception to signal the parser is stuck."""
+ * 
+ *     def __init__(self, msg, type, value, context):             # <<<<<<<<<<<<<<
+ *         Exception.__init__(self, "%s: type=%r, value=%r, context=%r" %
+ *                            (msg, type, value, context))
+ */
+
+static PyObject *__pyx_pf_6sphinx_6pycode_5pgen2_5parse_10ParseError___init__(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static PyMethodDef __pyx_mdef_6sphinx_6pycode_5pgen2_5parse_10ParseError___init__ = {"__init__", (PyCFunction)__pyx_pf_6sphinx_6pycode_5pgen2_5parse_10ParseError___init__, METH_VARARGS|METH_KEYWORDS, 0};
+static PyObject *__pyx_pf_6sphinx_6pycode_5pgen2_5parse_10ParseError___init__(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  PyObject *__pyx_v_self = 0;
+  PyObject *__pyx_v_msg = 0;
+  PyObject *__pyx_v_type = 0;
+  PyObject *__pyx_v_value = 0;
+  PyObject *__pyx_v_context = 0;
+  PyObject *__pyx_r;
+  PyObject *__pyx_1 = 0;
+  PyObject *__pyx_2 = 0;
+  PyObject *__pyx_3 = 0;
+  static char *__pyx_argnames[] = {"self","msg","type","value","context",0};
+  __pyx_self = __pyx_self;
+  if (likely(!__pyx_kwds) && likely(PyTuple_GET_SIZE(__pyx_args) == 5)) {
+    __pyx_v_self = PyTuple_GET_ITEM(__pyx_args, 0);
+    __pyx_v_msg = PyTuple_GET_ITEM(__pyx_args, 1);
+    __pyx_v_type = PyTuple_GET_ITEM(__pyx_args, 2);
+    __pyx_v_value = PyTuple_GET_ITEM(__pyx_args, 3);
+    __pyx_v_context = PyTuple_GET_ITEM(__pyx_args, 4);
+  }
+  else {
+    if (unlikely(!PyArg_ParseTupleAndKeywords(__pyx_args, __pyx_kwds, "OOOOO", __pyx_argnames, &__pyx_v_self, &__pyx_v_msg, &__pyx_v_type, &__pyx_v_value, &__pyx_v_context))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 22; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  }
+  goto __pyx_L4;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("sphinx.pycode.pgen2.parse.ParseError.__init__");
+  return NULL;
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+
+  /* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":23
+ * 
+ *     def __init__(self, msg, type, value, context):
+ *         Exception.__init__(self, "%s: type=%r, value=%r, context=%r" %             # <<<<<<<<<<<<<<
+ *                            (msg, type, value, context))
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+ */
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+
+  /* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":24
+ *     def __init__(self, msg, type, value, context):
+ *         Exception.__init__(self, "%s: type=%r, value=%r, context=%r" %
+ *                            (msg, type, value, context))             # <<<<<<<<<<<<<<
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+  Py_INCREF(__pyx_v_type);
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+  Py_INCREF(__pyx_v_value);
+  PyTuple_SET_ITEM(__pyx_2, 2, __pyx_v_value);
+  Py_INCREF(__pyx_v_context);
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+  Py_DECREF(((PyObject *)__pyx_2)); __pyx_2 = 0;
+  __pyx_2 = PyTuple_New(2); if (unlikely(!__pyx_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 23; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  Py_DECREF(__pyx_1); __pyx_1 = 0;
+  Py_DECREF(((PyObject *)__pyx_2)); __pyx_2 = 0;
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+
+  /* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":25
+ *         Exception.__init__(self, "%s: type=%r, value=%r, context=%r" %
+ *                            (msg, type, value, context))
+ *         self.msg = msg             # <<<<<<<<<<<<<<
+ *         self.type = type
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+ */
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+
+  /* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":26
+ *                            (msg, type, value, context))
+ *         self.msg = msg
+ *         self.type = type             # <<<<<<<<<<<<<<
+ *         self.value = value
+ *         self.context = context
+ */
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+
+  /* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":27
+ *         self.msg = msg
+ *         self.type = type
+ *         self.value = value             # <<<<<<<<<<<<<<
+ *         self.context = context
+ * 
+ */
+  if (PyObject_SetAttr(__pyx_v_self, __pyx_kp_value, __pyx_v_value) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 27; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+
+  /* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":28
+ *         self.type = type
+ *         self.value = value
+ *         self.context = context             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+  if (PyObject_SetAttr(__pyx_v_self, __pyx_kp_context, __pyx_v_context) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 28; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+
+  __pyx_r = Py_None; Py_INCREF(Py_None);
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+  __pyx_L1_error:;
+  Py_XDECREF(__pyx_1);
+  Py_XDECREF(__pyx_2);
+  Py_XDECREF(__pyx_3);
+  __Pyx_AddTraceback("sphinx.pycode.pgen2.parse.ParseError.__init__");
+  __pyx_r = NULL;
+  __pyx_L0:;
+  return __pyx_r;
+}
+
+/* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":36
+ *     cdef _grammar_number2symbol
+ * 
+ *     def __init__(self, grammar, convert=None):             # <<<<<<<<<<<<<<
+ *         self.grammar = grammar
+ *         #self.convert = convert or noconvert
+ */
+
+static int __pyx_pf_6sphinx_6pycode_5pgen2_5parse_6Parser___init__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static int __pyx_pf_6sphinx_6pycode_5pgen2_5parse_6Parser___init__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  PyObject *__pyx_v_grammar = 0;
+  PyObject *__pyx_v_convert = 0;
+  int __pyx_r;
+  PyObject *__pyx_1 = 0;
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+    }
+  }
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+  }
+  goto __pyx_L4;
+  __pyx_L3_error:;
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+  return -1;
+  __pyx_L4:;
+
+  /* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":37
+ * 
+ *     def __init__(self, grammar, convert=None):
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+ * 
+ */
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+
+  /* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":40
+ *         #self.convert = convert or noconvert
+ * 
+ *         self._grammar_dfas = grammar.dfas             # <<<<<<<<<<<<<<
+ *         self._grammar_labels = grammar.labels
+ *         self._grammar_keywords = grammar.keywords
+ */
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+  Py_DECREF(((struct __pyx_obj_6sphinx_6pycode_5pgen2_5parse_Parser *)__pyx_v_self)->_grammar_dfas);
+  ((struct __pyx_obj_6sphinx_6pycode_5pgen2_5parse_Parser *)__pyx_v_self)->_grammar_dfas = __pyx_1;
+  __pyx_1 = 0;
+
+  /* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":41
+ * 
+ *         self._grammar_dfas = grammar.dfas
+ *         self._grammar_labels = grammar.labels             # <<<<<<<<<<<<<<
+ *         self._grammar_keywords = grammar.keywords
+ *         self._grammar_tokens = grammar.tokens
+ */
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+  Py_DECREF(((struct __pyx_obj_6sphinx_6pycode_5pgen2_5parse_Parser *)__pyx_v_self)->_grammar_labels);
+  ((struct __pyx_obj_6sphinx_6pycode_5pgen2_5parse_Parser *)__pyx_v_self)->_grammar_labels = __pyx_1;
+  __pyx_1 = 0;
+
+  /* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":42
+ *         self._grammar_dfas = grammar.dfas
+ *         self._grammar_labels = grammar.labels
+ *         self._grammar_keywords = grammar.keywords             # <<<<<<<<<<<<<<
+ *         self._grammar_tokens = grammar.tokens
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+  Py_DECREF(((struct __pyx_obj_6sphinx_6pycode_5pgen2_5parse_Parser *)__pyx_v_self)->_grammar_keywords);
+  ((struct __pyx_obj_6sphinx_6pycode_5pgen2_5parse_Parser *)__pyx_v_self)->_grammar_keywords = __pyx_1;
+  __pyx_1 = 0;
+
+  /* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":43
+ *         self._grammar_labels = grammar.labels
+ *         self._grammar_keywords = grammar.keywords
+ *         self._grammar_tokens = grammar.tokens             # <<<<<<<<<<<<<<
+ *         self._grammar_number2symbol = grammar.number2symbol
+ * 
+ */
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+  Py_DECREF(((struct __pyx_obj_6sphinx_6pycode_5pgen2_5parse_Parser *)__pyx_v_self)->_grammar_tokens);
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+  __pyx_1 = 0;
+
+  /* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":44
+ *         self._grammar_keywords = grammar.keywords
+ *         self._grammar_tokens = grammar.tokens
+ *         self._grammar_number2symbol = grammar.number2symbol             # <<<<<<<<<<<<<<
+ * 
+ *     def setup(self, start=None):
+ */
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+  Py_DECREF(((struct __pyx_obj_6sphinx_6pycode_5pgen2_5parse_Parser *)__pyx_v_self)->_grammar_number2symbol);
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+
+  __pyx_r = 0;
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+  __pyx_L1_error:;
+  Py_XDECREF(__pyx_1);
+  __Pyx_AddTraceback("sphinx.pycode.pgen2.parse.Parser.__init__");
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+  __pyx_L0:;
+  return __pyx_r;
+}
+
+/* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":46
+ *         self._grammar_number2symbol = grammar.number2symbol
+ * 
+ *     def setup(self, start=None):             # <<<<<<<<<<<<<<
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+ *             start = self.grammar.start
+ */
+
+static PyObject *__pyx_pf_6sphinx_6pycode_5pgen2_5parse_6Parser_setup(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static PyObject *__pyx_pf_6sphinx_6pycode_5pgen2_5parse_6Parser_setup(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  PyObject *__pyx_v_start = 0;
+  PyObject *__pyx_v_newnode;
+  PyObject *__pyx_v_stackentry;
+  PyObject *__pyx_r;
+  int __pyx_1;
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+  }
+  goto __pyx_L4;
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("sphinx.pycode.pgen2.parse.Parser.setup");
+  return NULL;
+  __pyx_L4:;
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+  __pyx_v_newnode = Py_None; Py_INCREF(Py_None);
+  __pyx_v_stackentry = Py_None; Py_INCREF(Py_None);
+
+  /* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":47
+ * 
+ *     def setup(self, start=None):
+ *         if start is None:             # <<<<<<<<<<<<<<
+ *             start = self.grammar.start
+ *         # Each stack entry is a tuple: (dfa, state, node).
+ */
+  __pyx_1 = (__pyx_v_start == Py_None);
+  if (__pyx_1) {
+
+    /* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":48
+ *     def setup(self, start=None):
+ *         if start is None:
+ *             start = self.grammar.start             # <<<<<<<<<<<<<<
+ *         # Each stack entry is a tuple: (dfa, state, node).
+ *         # A node is a tuple: (type, value, context, children),
+ */
+    __pyx_2 = PyObject_GetAttr(((struct __pyx_obj_6sphinx_6pycode_5pgen2_5parse_Parser *)__pyx_v_self)->grammar, __pyx_kp_start); if (unlikely(!__pyx_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 48; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    Py_DECREF(__pyx_v_start);
+    __pyx_v_start = __pyx_2;
+    __pyx_2 = 0;
+    goto __pyx_L5;
+  }
+  __pyx_L5:;
+
+  /* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":52
+ *         # A node is a tuple: (type, value, context, children),
+ *         # where children is a list of nodes or None, and context may be None.
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+ *         self.stack = [stackentry]
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+}
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+}
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+}
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+}
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+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
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+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  0, /*nb_long*/
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if (PY_MAJOR_VERSION >= 3) || (Py_TPFLAGS_DEFAULT & Py_TPFLAGS_HAVE_INDEX)
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence_Parser = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping_Parser = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_Parser = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if (PY_MAJOR_VERSION >= 3) || (Py_TPFLAGS_DEFAULT & Py_TPFLAGS_HAVE_NEWBUFFER)
+  0, /*bf_getbuffer*/
+  #endif
+  #if (PY_MAJOR_VERSION >= 3) || (Py_TPFLAGS_DEFAULT & Py_TPFLAGS_HAVE_NEWBUFFER)
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+PyTypeObject __pyx_type_6sphinx_6pycode_5pgen2_5parse_Parser = {
+  PyVarObject_HEAD_INIT(0, 0)
+  "sphinx.pycode.pgen2.parse.Parser", /*tp_name*/
+  sizeof(struct __pyx_obj_6sphinx_6pycode_5pgen2_5parse_Parser), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_6sphinx_6pycode_5pgen2_5parse_Parser, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  0, /*tp_compare*/
+  0, /*tp_repr*/
+  &__pyx_tp_as_number_Parser, /*tp_as_number*/
+  &__pyx_tp_as_sequence_Parser, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_Parser, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_Parser, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_6sphinx_6pycode_5pgen2_5parse_Parser, /*tp_traverse*/
+  __pyx_tp_clear_6sphinx_6pycode_5pgen2_5parse_Parser, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_6sphinx_6pycode_5pgen2_5parse_Parser, /*tp_methods*/
+  __pyx_members_6sphinx_6pycode_5pgen2_5parse_Parser, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  __pyx_pf_6sphinx_6pycode_5pgen2_5parse_6Parser___init__, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_6sphinx_6pycode_5pgen2_5parse_Parser, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+};
+
+static struct PyMethodDef __pyx_methods[] = {
+  {0, 0, 0, 0}
+};
+
+static void __pyx_init_filenames(void); /*proto*/
+
+#if PY_MAJOR_VERSION >= 3
+static struct PyModuleDef __pyx_moduledef = {
+    PyModuleDef_HEAD_INIT,
+    "parse",
+    0, /* m_doc */
+    -1, /* m_size */
+    __pyx_methods /* m_methods */,
+    NULL, /* m_reload */
+    NULL, /* m_traverse */
+    NULL, /* m_clear */
+    NULL /* m_free */
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+#endif
+
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+  {&__pyx_kp___init__, __pyx_k___init__, sizeof(__pyx_k___init__), 0, 1, 1},
+  {&__pyx_kp_setup, __pyx_k_setup, sizeof(__pyx_k_setup), 0, 1, 1},
+  {&__pyx_kp_addtoken, __pyx_k_addtoken, sizeof(__pyx_k_addtoken), 0, 1, 1},
+  {&__pyx_kp_1, __pyx_k_1, sizeof(__pyx_k_1), 1, 1, 1},
+  {&__pyx_kp_Node, __pyx_k_Node, sizeof(__pyx_k_Node), 1, 1, 1},
+  {&__pyx_kp_Leaf, __pyx_k_Leaf, sizeof(__pyx_k_Leaf), 1, 1, 1},
+  {&__pyx_kp_ParseError, __pyx_k_ParseError, sizeof(__pyx_k_ParseError), 0, 1, 1},
+  {&__pyx_kp_Exception, __pyx_k_Exception, sizeof(__pyx_k_Exception), 1, 1, 1},
+  {&__pyx_kp_msg, __pyx_k_msg, sizeof(__pyx_k_msg), 1, 1, 1},
+  {&__pyx_kp_type, __pyx_k_type, sizeof(__pyx_k_type), 1, 1, 1},
+  {&__pyx_kp_value, __pyx_k_value, sizeof(__pyx_k_value), 1, 1, 1},
+  {&__pyx_kp_context, __pyx_k_context, sizeof(__pyx_k_context), 1, 1, 1},
+  {&__pyx_kp_dfas, __pyx_k_dfas, sizeof(__pyx_k_dfas), 1, 1, 1},
+  {&__pyx_kp_labels, __pyx_k_labels, sizeof(__pyx_k_labels), 1, 1, 1},
+  {&__pyx_kp_keywords, __pyx_k_keywords, sizeof(__pyx_k_keywords), 1, 1, 1},
+  {&__pyx_kp_tokens, __pyx_k_tokens, sizeof(__pyx_k_tokens), 1, 1, 1},
+  {&__pyx_kp_4, __pyx_k_4, sizeof(__pyx_k_4), 1, 1, 1},
+  {&__pyx_kp_start, __pyx_k_start, sizeof(__pyx_k_start), 1, 1, 1},
+  {&__pyx_kp_add, __pyx_k_add, sizeof(__pyx_k_add), 1, 1, 1},
+  {&__pyx_kp_get, __pyx_k_get, sizeof(__pyx_k_get), 1, 1, 1},
+  {&__pyx_kp_append, __pyx_k_append, sizeof(__pyx_k_append), 1, 1, 1},
+  {&__pyx_kp_pop, __pyx_k_pop, sizeof(__pyx_k_pop), 1, 1, 1},
+  {&__pyx_kp_used_names, __pyx_k_used_names, sizeof(__pyx_k_used_names), 1, 1, 1},
+  {&__pyx_kp_2, __pyx_k_2, sizeof(__pyx_k_2), 0, 0, 0},
+  {&__pyx_kp_3, __pyx_k_3, sizeof(__pyx_k_3), 0, 0, 0},
+  {&__pyx_kp_5, __pyx_k_5, sizeof(__pyx_k_5), 0, 0, 0},
+  {&__pyx_kp_6, __pyx_k_6, sizeof(__pyx_k_6), 0, 0, 0},
+  {&__pyx_kp_7, __pyx_k_7, sizeof(__pyx_k_7), 0, 0, 0},
+  {0, 0, 0, 0, 0, 0}
+};
+static int __Pyx_InitCachedBuiltins(void) {
+  __pyx_builtin_Exception = __Pyx_GetName(__pyx_b, __pyx_kp_Exception); if (!__pyx_builtin_Exception) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 19; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  return 0;
+  __pyx_L1_error:;
+  return -1;
+}
+
+static int __Pyx_InitGlobals(void) {
+  __pyx_int_0 = PyInt_FromLong(0); if (unlikely(!__pyx_int_0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  __pyx_int_1 = PyInt_FromLong(1); if (unlikely(!__pyx_int_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  if (__Pyx_InitStrings(__pyx_string_tab) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  return 0;
+  __pyx_L1_error:;
+  return -1;
+}
+
+#if PY_MAJOR_VERSION < 3
+PyMODINIT_FUNC initparse(void); /*proto*/
+PyMODINIT_FUNC initparse(void)
+#else
+PyMODINIT_FUNC PyInit_parse(void); /*proto*/
+PyMODINIT_FUNC PyInit_parse(void)
+#endif
+{
+  PyObject *__pyx_1 = 0;
+  PyObject *__pyx_2 = 0;
+  PyObject *__pyx_3 = 0;
+  PyObject *__pyx_4 = 0;
+  __pyx_empty_tuple = PyTuple_New(0); if (unlikely(!__pyx_empty_tuple)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  /*--- Libary function declarations ---*/
+  __pyx_init_filenames();
+  /*--- Initialize various global constants etc. ---*/
+  if (unlikely(__Pyx_InitGlobals() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  /*--- Module creation code ---*/
+  #if PY_MAJOR_VERSION < 3
+  __pyx_m = Py_InitModule4("parse", __pyx_methods, 0, 0, PYTHON_API_VERSION);
+  #else
+  __pyx_m = PyModule_Create(&__pyx_moduledef);
+  #endif
+  if (!__pyx_m) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  #if PY_MAJOR_VERSION < 3
+  Py_INCREF(__pyx_m);
+  #endif
+  __pyx_b = PyImport_AddModule(__Pyx_BUILTIN_MODULE_NAME);
+  if (!__pyx_b) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  if (PyObject_SetAttrString(__pyx_m, "__builtins__", __pyx_b) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  /*--- Builtin init code ---*/
+  if (unlikely(__Pyx_InitCachedBuiltins() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_skip_dispatch = 0;
+  /*--- Global init code ---*/
+  /*--- Function export code ---*/
+  /*--- Type init code ---*/
+  __pyx_vtabptr_6sphinx_6pycode_5pgen2_5parse_Parser = &__pyx_vtable_6sphinx_6pycode_5pgen2_5parse_Parser;
+  *(void(**)(void))&__pyx_vtable_6sphinx_6pycode_5pgen2_5parse_Parser.classify = (void(*)(void))__pyx_f_6sphinx_6pycode_5pgen2_5parse_6Parser_classify;
+  *(void(**)(void))&__pyx_vtable_6sphinx_6pycode_5pgen2_5parse_Parser.shift = (void(*)(void))__pyx_f_6sphinx_6pycode_5pgen2_5parse_6Parser_shift;
+  *(void(**)(void))&__pyx_vtable_6sphinx_6pycode_5pgen2_5parse_Parser.push = (void(*)(void))__pyx_f_6sphinx_6pycode_5pgen2_5parse_6Parser_push;
+  *(void(**)(void))&__pyx_vtable_6sphinx_6pycode_5pgen2_5parse_Parser.pop = (void(*)(void))__pyx_f_6sphinx_6pycode_5pgen2_5parse_6Parser_pop;
+  *(void(**)(void))&__pyx_vtable_6sphinx_6pycode_5pgen2_5parse_Parser.convert = (void(*)(void))__pyx_f_6sphinx_6pycode_5pgen2_5parse_6Parser_convert;
+  if (PyType_Ready(&__pyx_type_6sphinx_6pycode_5pgen2_5parse_Parser) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_6sphinx_6pycode_5pgen2_5parse_Parser.tp_dict, __pyx_vtabptr_6sphinx_6pycode_5pgen2_5parse_Parser) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyObject_SetAttrString(__pyx_m, "Parser", (PyObject *)&__pyx_type_6sphinx_6pycode_5pgen2_5parse_Parser) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_6sphinx_6pycode_5pgen2_5parse_Parser = &__pyx_type_6sphinx_6pycode_5pgen2_5parse_Parser;
+  /*--- Type import code ---*/
+  /*--- Function import code ---*/
+  /*--- Execution code ---*/
+
+  /* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":15
+ * """
+ * 
+ * from sphinx.pycode.nodes import Node, Leaf             # <<<<<<<<<<<<<<
+ * 
+ * DEF NAME = 1
+ */
+  __pyx_1 = PyList_New(2); if (unlikely(!__pyx_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 15; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  Py_INCREF(__pyx_kp_Node);
+  PyList_SET_ITEM(__pyx_1, 0, __pyx_kp_Node);
+  Py_INCREF(__pyx_kp_Leaf);
+  PyList_SET_ITEM(__pyx_1, 1, __pyx_kp_Leaf);
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+  Py_DECREF(((PyObject *)__pyx_1)); __pyx_1 = 0;
+  __pyx_1 = PyObject_GetAttr(__pyx_2, __pyx_kp_Node); if (unlikely(!__pyx_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 15; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyObject_SetAttr(__pyx_m, __pyx_kp_Node, __pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 15; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  Py_DECREF(__pyx_1); __pyx_1 = 0;
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+  if (PyObject_SetAttr(__pyx_m, __pyx_kp_Leaf, __pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 15; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  Py_DECREF(__pyx_1); __pyx_1 = 0;
+  Py_DECREF(__pyx_2); __pyx_2 = 0;
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+  /* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":19
+ * DEF NAME = 1
+ * 
+ * class ParseError(Exception):             # <<<<<<<<<<<<<<
+ *     """Exception to signal the parser is stuck."""
+ * 
+ */
+  __pyx_2 = PyDict_New(); if (unlikely(!__pyx_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 19; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_1 = PyTuple_New(1); if (unlikely(!__pyx_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 19; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  Py_INCREF(__pyx_builtin_Exception);
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+  Py_DECREF(((PyObject *)__pyx_1)); __pyx_1 = 0;
+
+  /* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":22
+ *     """Exception to signal the parser is stuck."""
+ * 
+ *     def __init__(self, msg, type, value, context):             # <<<<<<<<<<<<<<
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+ */
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+  Py_DECREF(__pyx_4); __pyx_4 = 0;
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+  Py_DECREF(__pyx_3); __pyx_3 = 0;
+  Py_DECREF(((PyObject *)__pyx_2)); __pyx_2 = 0;
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+  /* "/home/gbr/devel/sphinx/sphinx/pycode/pgen2/parse.pyx":149
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+ * 
+ *     cdef convert(self, raw_node):             # <<<<<<<<<<<<<<
+ *         type, value, context, children = raw_node
+ *         if children or type in self._grammar_number2symbol:
+ */
+  #if PY_MAJOR_VERSION < 3
+  return;
+  #else
+  return __pyx_m;
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+  Py_XDECREF(__pyx_3);
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+}
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+}
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+}
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+    module = PyObject_CallFunction(__import__, "OOOO",
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+}
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+}
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+{
+    PyObject *py_modname;
+    PyObject *result = 0;
+
+    #if PY_MAJOR_VERSION < 3
+    py_modname = PyString_FromString(modname);
+    #else
+    py_modname = PyUnicode_FromString(modname);
+    #endif
+    if (!py_modname)
+        goto bad;
+    if (PyDict_SetItemString(dict, "__module__", py_modname) < 0)
+        goto bad;
+    #if PY_MAJOR_VERSION < 3
+    result = PyClass_New(bases, dict, name);
+    #else
+    result = PyObject_CallFunctionObjArgs((PyObject *)&PyType_Type, name, bases, dict, NULL);
+    #endif
+bad:
+    Py_XDECREF(py_modname);
+    return result;
+}
+
+
+static PyObject *__Pyx_UnpackItem(PyObject *iter, Py_ssize_t index) {
+    PyObject *item;
+    if (!(item = PyIter_Next(iter))) {
+        if (!PyErr_Occurred()) {
+            PyErr_Format(PyExc_ValueError,
+                #if PY_VERSION_HEX < 0x02050000
+                    "need more than %d values to unpack", (int)index);
+                #else
+                    "need more than %zd values to unpack", index);
+                #endif
+        }
+    }
+    return item;
+}
+
+static int __Pyx_EndUnpack(PyObject *iter) {
+    PyObject *item;
+    if ((item = PyIter_Next(iter))) {
+        Py_DECREF(item);
+        PyErr_SetString(PyExc_ValueError, "too many values to unpack");
+        return -1;
+    }
+    else if (!PyErr_Occurred())
+        return 0;
+    else
+        return -1;
+}
+
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb) {
+    Py_XINCREF(type);
+    Py_XINCREF(value);
+    Py_XINCREF(tb);
+    /* First, check the traceback argument, replacing None with NULL. */
+    if (tb == Py_None) {
+        Py_DECREF(tb);
+        tb = 0;
+    }
+    else if (tb != NULL && !PyTraceBack_Check(tb)) {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: arg 3 must be a traceback or None");
+        goto raise_error;
+    }
+    /* Next, replace a missing value with None */
+    if (value == NULL) {
+        value = Py_None;
+        Py_INCREF(value);
+    }
+    #if PY_VERSION_HEX < 0x02050000
+    if (!PyClass_Check(type))
+    #else
+    if (!PyType_Check(type))
+    #endif
+    {
+        /* Raising an instance.  The value should be a dummy. */
+        if (value != Py_None) {
+            PyErr_SetString(PyExc_TypeError,
+                "instance exception may not have a separate value");
+            goto raise_error;
+        }
+        /* Normalize to raise <class>, <instance> */
+        Py_DECREF(value);
+        value = type;
+        #if PY_VERSION_HEX < 0x02050000
+            if (PyInstance_Check(type)) {
+                type = (PyObject*) ((PyInstanceObject*)type)->in_class;
+                Py_INCREF(type);
+            }
+            else {
+                type = 0;
+                PyErr_SetString(PyExc_TypeError,
+                    "raise: exception must be an old-style class or instance");
+                goto raise_error;
+            }
+        #else
+            type = (PyObject*) Py_TYPE(type);
+            Py_INCREF(type);
+            if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
+                PyErr_SetString(PyExc_TypeError,
+                    "raise: exception class must be a subclass of BaseException");
+                goto raise_error;
+            }
+        #endif
+    }
+    PyErr_Restore(type, value, tb);
+    return;
+raise_error:
+    Py_XDECREF(value);
+    Py_XDECREF(type);
+    Py_XDECREF(tb);
+    return;
+}
+
+
+static void __Pyx_WriteUnraisable(const char *name) {
+    PyObject *old_exc, *old_val, *old_tb;
+    PyObject *ctx;
+    PyErr_Fetch(&old_exc, &old_val, &old_tb);
+    #if PY_MAJOR_VERSION < 3
+    ctx = PyString_FromString(name);
+    #else
+    ctx = PyUnicode_FromString(name);
+    #endif
+    PyErr_Restore(old_exc, old_val, old_tb);
+    if (!ctx)
+        ctx = Py_None;
+    PyErr_WriteUnraisable(ctx);
+}
+
+static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
+    PyObject *pycobj = 0;
+    int result;
+    
+    pycobj = PyCObject_FromVoidPtr(vtable, 0);
+    if (!pycobj)
+        goto bad;
+    if (PyDict_SetItemString(dict, "__pyx_vtable__", pycobj) < 0)
+        goto bad;
+    result = 0;
+    goto done;
+
+bad:
+    result = -1;
+done:
+    Py_XDECREF(pycobj);
+    return result;
+}
+
+#include "compile.h"
+#include "frameobject.h"
+#include "traceback.h"
+
+static void __Pyx_AddTraceback(const char *funcname) {
+    PyObject *py_srcfile = 0;
+    PyObject *py_funcname = 0;
+    PyObject *py_globals = 0;
+    PyObject *empty_string = 0;
+    PyCodeObject *py_code = 0;
+    PyFrameObject *py_frame = 0;
+
+    #if PY_MAJOR_VERSION < 3
+    py_srcfile = PyString_FromString(__pyx_filename);
+    #else
+    py_srcfile = PyUnicode_FromString(__pyx_filename);
+    #endif
+    if (!py_srcfile) goto bad;
+    if (__pyx_clineno) {
+        #if PY_MAJOR_VERSION < 3
+        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, __pyx_clineno);
+        #else
+        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, __pyx_clineno);
+        #endif
+    }
+    else {
+        #if PY_MAJOR_VERSION < 3
+        py_funcname = PyString_FromString(funcname);
+        #else
+        py_funcname = PyUnicode_FromString(funcname);
+        #endif
+    }
+    if (!py_funcname) goto bad;
+    py_globals = PyModule_GetDict(__pyx_m);
+    if (!py_globals) goto bad;
+    #if PY_MAJOR_VERSION < 3
+    empty_string = PyString_FromStringAndSize("", 0);
+    #else
+    empty_string = PyBytes_FromStringAndSize("", 0);
+    #endif
+    if (!empty_string) goto bad;
+    py_code = PyCode_New(
+        0,            /*int argcount,*/
+        #if PY_MAJOR_VERSION >= 3
+        0,            /*int kwonlyargcount,*/
+        #endif
+        0,            /*int nlocals,*/
+        0,            /*int stacksize,*/
+        0,            /*int flags,*/
+        empty_string, /*PyObject *code,*/
+        __pyx_empty_tuple,  /*PyObject *consts,*/
+        __pyx_empty_tuple,  /*PyObject *names,*/
+        __pyx_empty_tuple,  /*PyObject *varnames,*/
+        __pyx_empty_tuple,  /*PyObject *freevars,*/
+        __pyx_empty_tuple,  /*PyObject *cellvars,*/
+        py_srcfile,   /*PyObject *filename,*/
+        py_funcname,  /*PyObject *name,*/
+        __pyx_lineno,   /*int firstlineno,*/
+        empty_string  /*PyObject *lnotab*/
+    );
+    if (!py_code) goto bad;
+    py_frame = PyFrame_New(
+        PyThreadState_Get(), /*PyThreadState *tstate,*/
+        py_code,             /*PyCodeObject *code,*/
+        py_globals,          /*PyObject *globals,*/
+        0                    /*PyObject *locals*/
+    );
+    if (!py_frame) goto bad;
+    py_frame->f_lineno = __pyx_lineno;
+    PyTraceBack_Here(py_frame);
+bad:
+    Py_XDECREF(py_srcfile);
+    Py_XDECREF(py_funcname);
+    Py_XDECREF(empty_string);
+    Py_XDECREF(py_code);
+    Py_XDECREF(py_frame);
+}
+
+static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
+    while (t->p) {
+        #if PY_MAJOR_VERSION < 3
+        if (t->is_unicode && (!t->is_identifier)) {
+            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
+        } else if (t->intern) {
+            *t->p = PyString_InternFromString(t->s);
+        } else {
+            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
+        }
+        #else  /* Python 3+ has unicode identifiers */
+        if (t->is_identifier || (t->is_unicode && t->intern)) {
+            *t->p = PyUnicode_InternFromString(t->s);
+        } else if (t->is_unicode) {
+            *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
+        } else {
+            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
+        }
+        #endif
+        if (!*t->p)
+            return -1;
+        ++t;
+    }
+    return 0;
+}
+
+/* Type Conversion Functions */
+
+static INLINE Py_ssize_t __pyx_PyIndex_AsSsize_t(PyObject* b) {
+  Py_ssize_t ival;
+  PyObject* x = PyNumber_Index(b);
+  if (!x) return -1;
+  ival = PyInt_AsSsize_t(x);
+  Py_DECREF(x);
+  return ival;
+}
+
+static INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
+   if (x == Py_True) return 1;
+   else if (x == Py_False) return 0;
+   else return PyObject_IsTrue(x);
+}
+
+static INLINE PY_LONG_LONG __pyx_PyInt_AsLongLong(PyObject* x) {
+    if (PyInt_CheckExact(x)) {
+        return PyInt_AS_LONG(x);
+    }
+    else if (PyLong_CheckExact(x)) {
+        return PyLong_AsLongLong(x);
+    }
+    else {
+        PY_LONG_LONG val;
+        PyObject* tmp = PyNumber_Int(x); if (!tmp) return (PY_LONG_LONG)-1;
+        val = __pyx_PyInt_AsLongLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static INLINE unsigned PY_LONG_LONG __pyx_PyInt_AsUnsignedLongLong(PyObject* x) {
+    if (PyInt_CheckExact(x)) {
+        long val = PyInt_AS_LONG(x);
+        if (unlikely(val < 0)) {
+            PyErr_SetString(PyExc_TypeError, "Negative assignment to unsigned type.");
+            return (unsigned PY_LONG_LONG)-1;
+        }
+        return val;
+    }
+    else if (PyLong_CheckExact(x)) {
+        return PyLong_AsUnsignedLongLong(x);
+    }
+    else {
+        PY_LONG_LONG val;
+        PyObject* tmp = PyNumber_Int(x); if (!tmp) return (PY_LONG_LONG)-1;
+        val = __pyx_PyInt_AsUnsignedLongLong(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+
+static INLINE unsigned char __pyx_PyInt_unsigned_char(PyObject* x) {
+    if (sizeof(unsigned char) < sizeof(long)) {
+        long long_val = __pyx_PyInt_AsLong(x);
+        unsigned char val = (unsigned char)long_val;
+        if (unlikely((val != long_val)  || (long_val < 0))) {
+            PyErr_SetString(PyExc_OverflowError, "value too large to convert to unsigned char");
+            return (unsigned char)-1;
+        }
+        return val;
+    }
+    else {
+        return __pyx_PyInt_AsLong(x);
+    }
+}
+
+static INLINE unsigned short __pyx_PyInt_unsigned_short(PyObject* x) {
+    if (sizeof(unsigned short) < sizeof(long)) {
+        long long_val = __pyx_PyInt_AsLong(x);
+        unsigned short val = (unsigned short)long_val;
+        if (unlikely((val != long_val)  || (long_val < 0))) {
+            PyErr_SetString(PyExc_OverflowError, "value too large to convert to unsigned short");
+            return (unsigned short)-1;
+        }
+        return val;
+    }
+    else {
+        return __pyx_PyInt_AsLong(x);
+    }
+}
+
+static INLINE char __pyx_PyInt_char(PyObject* x) {
+    if (sizeof(char) < sizeof(long)) {
+        long long_val = __pyx_PyInt_AsLong(x);
+        char val = (char)long_val;
+        if (unlikely((val != long_val) )) {
+            PyErr_SetString(PyExc_OverflowError, "value too large to convert to char");
+            return (char)-1;
+        }
+        return val;
+    }
+    else {
+        return __pyx_PyInt_AsLong(x);
+    }
+}
+
+static INLINE short __pyx_PyInt_short(PyObject* x) {
+    if (sizeof(short) < sizeof(long)) {
+        long long_val = __pyx_PyInt_AsLong(x);
+        short val = (short)long_val;
+        if (unlikely((val != long_val) )) {
+            PyErr_SetString(PyExc_OverflowError, "value too large to convert to short");
+            return (short)-1;
+        }
+        return val;
+    }
+    else {
+        return __pyx_PyInt_AsLong(x);
+    }
+}
+
+static INLINE int __pyx_PyInt_int(PyObject* x) {
+    if (sizeof(int) < sizeof(long)) {
+        long long_val = __pyx_PyInt_AsLong(x);
+        int val = (int)long_val;
+        if (unlikely((val != long_val) )) {
+            PyErr_SetString(PyExc_OverflowError, "value too large to convert to int");
+            return (int)-1;
+        }
+        return val;
+    }
+    else {
+        return __pyx_PyInt_AsLong(x);
+    }
+}
+
+static INLINE long __pyx_PyInt_long(PyObject* x) {
+    if (sizeof(long) < sizeof(long)) {
+        long long_val = __pyx_PyInt_AsLong(x);
+        long val = (long)long_val;
+        if (unlikely((val != long_val) )) {
+            PyErr_SetString(PyExc_OverflowError, "value too large to convert to long");
+            return (long)-1;
+        }
+        return val;
+    }
+    else {
+        return __pyx_PyInt_AsLong(x);
+    }
+}
+
+static INLINE signed char __pyx_PyInt_signed_char(PyObject* x) {
+    if (sizeof(signed char) < sizeof(long)) {
+        long long_val = __pyx_PyInt_AsLong(x);
+        signed char val = (signed char)long_val;
+        if (unlikely((val != long_val) )) {
+            PyErr_SetString(PyExc_OverflowError, "value too large to convert to signed char");
+            return (signed char)-1;
+        }
+        return val;
+    }
+    else {
+        return __pyx_PyInt_AsLong(x);
+    }
+}
+
+static INLINE signed short __pyx_PyInt_signed_short(PyObject* x) {
+    if (sizeof(signed short) < sizeof(long)) {
+        long long_val = __pyx_PyInt_AsLong(x);
+        signed short val = (signed short)long_val;
+        if (unlikely((val != long_val) )) {
+            PyErr_SetString(PyExc_OverflowError, "value too large to convert to signed short");
+            return (signed short)-1;
+        }
+        return val;
+    }
+    else {
+        return __pyx_PyInt_AsLong(x);
+    }
+}
+
+static INLINE signed int __pyx_PyInt_signed_int(PyObject* x) {
+    if (sizeof(signed int) < sizeof(long)) {
+        long long_val = __pyx_PyInt_AsLong(x);
+        signed int val = (signed int)long_val;
+        if (unlikely((val != long_val) )) {
+            PyErr_SetString(PyExc_OverflowError, "value too large to convert to signed int");
+            return (signed int)-1;
+        }
+        return val;
+    }
+    else {
+        return __pyx_PyInt_AsLong(x);
+    }
+}
+
+static INLINE signed long __pyx_PyInt_signed_long(PyObject* x) {
+    if (sizeof(signed long) < sizeof(long)) {
+        long long_val = __pyx_PyInt_AsLong(x);
+        signed long val = (signed long)long_val;
+        if (unlikely((val != long_val) )) {
+            PyErr_SetString(PyExc_OverflowError, "value too large to convert to signed long");
+            return (signed long)-1;
+        }
+        return val;
+    }
+    else {
+        return __pyx_PyInt_AsLong(x);
+    }
+}
+
+static INLINE long double __pyx_PyInt_long_double(PyObject* x) {
+    if (sizeof(long double) < sizeof(long)) {
+        long long_val = __pyx_PyInt_AsLong(x);
+        long double val = (long double)long_val;
+        if (unlikely((val != long_val) )) {
+            PyErr_SetString(PyExc_OverflowError, "value too large to convert to long double");
+            return (long double)-1;
+        }
+        return val;
+    }
+    else {
+        return __pyx_PyInt_AsLong(x);
+    }
+}
+
diff --git a/sphinx/pycode/pgen2/parse.pyx b/sphinx/pycode/pgen2/parse.pyx
index 6a11ee6b..537d7393 100644
--- a/sphinx/pycode/pgen2/parse.pyx
+++ b/sphinx/pycode/pgen2/parse.pyx
@@ -1,6 +1,8 @@
 # Copyright 2004-2005 Elemental Security, Inc. All Rights Reserved.
 # Licensed to PSF under a Contributor Agreement.
 
+# Adapted from parse.py to be compiled with Cython by Georg Brandl.
+
 """Parser engine for the grammar tables generated by pgen.
 
 The grammar table must be loaded first.
@@ -10,7 +12,7 @@ how this parsing engine works.
 
 """
 
-from sphinx.pycode.pytree import Node, Leaf
+from sphinx.pycode.nodes import Node, Leaf
 
 DEF NAME = 1