add ymake export to ydb

1 files changed, 214 insertions, 0 deletions

diff --git a/contrib/tools/cython/Cython/Compiler/AutoDocTransforms.py b/contrib/tools/cython/Cython/Compiler/AutoDocTransforms.py
new file mode 100644
index 0000000000..d3c0a1d0da
--- /dev/null
+++ b/contrib/tools/cython/Cython/Compiler/AutoDocTransforms.py
@@ -0,0 +1,214 @@
+from __future__ import absolute_import, print_function
+
+from .Visitor import CythonTransform
+from .StringEncoding import EncodedString
+from . import Options
+from . import PyrexTypes, ExprNodes
+from ..CodeWriter import ExpressionWriter
+
+
+class AnnotationWriter(ExpressionWriter):
+
+    def visit_Node(self, node):
+        self.put(u"<???>")
+
+    def visit_LambdaNode(self, node):
+        # XXX Should we do better?
+        self.put("<lambda>")
+
+
+class EmbedSignature(CythonTransform):
+
+    def __init__(self, context):
+        super(EmbedSignature, self).__init__(context)
+        self.class_name = None
+        self.class_node = None
+
+    def _fmt_expr(self, node):
+        writer = AnnotationWriter()
+        result = writer.write(node)
+        # print(type(node).__name__, '-->', result)
+        return result
+
+    def _fmt_arg(self, arg):
+        if arg.type is PyrexTypes.py_object_type or arg.is_self_arg:
+            doc = arg.name
+        else:
+            doc = arg.type.declaration_code(arg.name, for_display=1)
+
+        if arg.annotation:
+            annotation = self._fmt_expr(arg.annotation)
+            doc = doc + (': %s' % annotation)
+            if arg.default:
+                default = self._fmt_expr(arg.default)
+                doc = doc + (' = %s' % default)
+        elif arg.default:
+            default = self._fmt_expr(arg.default)
+            doc = doc + ('=%s' % default)
+        return doc
+
+    def _fmt_star_arg(self, arg):
+        arg_doc = arg.name
+        if arg.annotation:
+            annotation = self._fmt_expr(arg.annotation)
+            arg_doc = arg_doc + (': %s' % annotation)
+        return arg_doc
+
+    def _fmt_arglist(self, args,
+                     npargs=0, pargs=None,
+                     nkargs=0, kargs=None,
+                     hide_self=False):
+        arglist = []
+        for arg in args:
+            if not hide_self or not arg.entry.is_self_arg:
+                arg_doc = self._fmt_arg(arg)
+                arglist.append(arg_doc)
+        if pargs:
+            arg_doc = self._fmt_star_arg(pargs)
+            arglist.insert(npargs, '*%s' % arg_doc)
+        elif nkargs:
+            arglist.insert(npargs, '*')
+        if kargs:
+            arg_doc = self._fmt_star_arg(kargs)
+            arglist.append('**%s' % arg_doc)
+        return arglist
+
+    def _fmt_ret_type(self, ret):
+        if ret is PyrexTypes.py_object_type:
+            return None
+        else:
+            return ret.declaration_code("", for_display=1)
+
+    def _fmt_signature(self, cls_name, func_name, args,
+                       npargs=0, pargs=None,
+                       nkargs=0, kargs=None,
+                       return_expr=None,
+                       return_type=None, hide_self=False):
+        arglist = self._fmt_arglist(args,
+                                    npargs, pargs,
+                                    nkargs, kargs,
+                                    hide_self=hide_self)
+        arglist_doc = ', '.join(arglist)
+        func_doc = '%s(%s)' % (func_name, arglist_doc)
+        if cls_name:
+            func_doc = '%s.%s' % (cls_name, func_doc)
+        ret_doc = None
+        if return_expr:
+            ret_doc = self._fmt_expr(return_expr)
+        elif return_type:
+            ret_doc = self._fmt_ret_type(return_type)
+        if ret_doc:
+            func_doc = '%s -> %s' % (func_doc, ret_doc)
+        return func_doc
+
+    def _embed_signature(self, signature, node_doc):
+        if node_doc:
+            return "%s\n%s" % (signature, node_doc)
+        else:
+            return signature
+
+    def __call__(self, node):
+        if not Options.docstrings:
+            return node
+        else:
+            return super(EmbedSignature, self).__call__(node)
+
+    def visit_ClassDefNode(self, node):
+        oldname = self.class_name
+        oldclass = self.class_node
+        self.class_node = node
+        try:
+            # PyClassDefNode
+            self.class_name = node.name
+        except AttributeError:
+            # CClassDefNode
+            self.class_name = node.class_name
+        self.visitchildren(node)
+        self.class_name = oldname
+        self.class_node = oldclass
+        return node
+
+    def visit_LambdaNode(self, node):
+        # lambda expressions so not have signature or inner functions
+        return node
+
+    def visit_DefNode(self, node):
+        if not self.current_directives['embedsignature']:
+            return node
+
+        is_constructor = False
+        hide_self = False
+        if node.entry.is_special:
+            is_constructor = self.class_node and node.name == '__init__'
+            if not is_constructor:
+                return node
+            class_name, func_name = None, self.class_name
+            hide_self = True
+        else:
+            class_name, func_name = self.class_name, node.name
+
+        nkargs = getattr(node, 'num_kwonly_args', 0)
+        npargs = len(node.args) - nkargs
+        signature = self._fmt_signature(
+            class_name, func_name, node.args,
+            npargs, node.star_arg,
+            nkargs, node.starstar_arg,
+            return_expr=node.return_type_annotation,
+            return_type=None, hide_self=hide_self)
+        if signature:
+            if is_constructor:
+                doc_holder = self.class_node.entry.type.scope
+            else:
+                doc_holder = node.entry
+
+            if doc_holder.doc is not None:
+                old_doc = doc_holder.doc
+            elif not is_constructor and getattr(node, 'py_func', None) is not None:
+                old_doc = node.py_func.entry.doc
+            else:
+                old_doc = None
+            new_doc = self._embed_signature(signature, old_doc)
+            doc_holder.doc = EncodedString(new_doc)
+            if not is_constructor and getattr(node, 'py_func', None) is not None:
+                node.py_func.entry.doc = EncodedString(new_doc)
+        return node
+
+    def visit_CFuncDefNode(self, node):
+        if not self.current_directives['embedsignature']:
+            return node
+        if not node.overridable: # not cpdef FOO(...):
+            return node
+
+        signature = self._fmt_signature(
+            self.class_name, node.declarator.base.name,
+            node.declarator.args,
+            return_type=node.return_type)
+        if signature:
+            if node.entry.doc is not None:
+                old_doc = node.entry.doc
+            elif getattr(node, 'py_func', None) is not None:
+                old_doc = node.py_func.entry.doc
+            else:
+                old_doc = None
+            new_doc = self._embed_signature(signature, old_doc)
+            node.entry.doc = EncodedString(new_doc)
+            if hasattr(node, 'py_func') and node.py_func is not None:
+                node.py_func.entry.doc = EncodedString(new_doc)
+        return node
+
+    def visit_PropertyNode(self, node):
+        if not self.current_directives['embedsignature']:
+            return node
+
+        entry = node.entry
+        if entry.visibility == 'public':
+            # property synthesised from a cdef public attribute
+            type_name = entry.type.declaration_code("", for_display=1)
+            if not entry.type.is_pyobject:
+                type_name = "'%s'" % type_name
+            elif entry.type.is_extension_type:
+                type_name = entry.type.module_name + '.' + type_name
+            signature = '%s: %s' % (entry.name, type_name)
+            new_doc = self._embed_signature(signature, entry.doc)
+            entry.doc = EncodedString(new_doc)
+        return node