| # ------------------------------------------------------------------------------- |
| # identifiervisitor.py |
| # |
| # Identifier list generator in a nested operator |
| # |
| # Copyright (C) 2015, Shinya Takamaeda-Yamazaki |
| # License: Apache 2.0 |
| # ------------------------------------------------------------------------------- |
| from __future__ import absolute_import |
| from __future__ import print_function |
| import sys |
| import os |
| |
| from pyverilog.dataflow.visit import NodeVisitor |
| |
| |
| def getIdentifiers(node): |
| v = IdentifierVisitor() |
| v.visit(node) |
| ids = v.getIdentifiers() |
| return ids |
| |
| |
| class IdentifierVisitor(NodeVisitor): |
| def __init__(self): |
| self.identifiers = [] |
| |
| def getIdentifiers(self): |
| return tuple(self.identifiers) |
| |
| def reset(self): |
| self.identifiers = [] |
| |
| def visit_Identifier(self, node): |
| self.identifiers.append(node.name) |
