| from Cython.Compiler.Visitor import VisitorTransform |
| from Cython.Compiler.Nodes import StatListNode |
| |
| class ExtractPxdCode(VisitorTransform): |
| """ |
| Finds nodes in a pxd file that should generate code, and |
| returns them in a StatListNode. |
| |
| The result is a tuple (StatListNode, ModuleScope), i.e. |
| everything that is needed from the pxd after it is processed. |
| |
| A purer approach would be to seperately compile the pxd code, |
| but the result would have to be slightly more sophisticated |
| than pure strings (functions + wanted interned strings + |
| wanted utility code + wanted cached objects) so for now this |
| approach is taken. |
| """ |
| |
| def __call__(self, root): |
| self.funcs = [] |
| self.visitchildren(root) |
| return (StatListNode(root.pos, stats=self.funcs), root.scope) |
| |
| def visit_FuncDefNode(self, node): |
| self.funcs.append(node) |
| # Do not visit children, nested funcdefnodes will |
| # also be moved by this action... |
| return node |
| |
| def visit_Node(self, node): |
| self.visitchildren(node) |
| return node |
