diff options
Diffstat (limited to 'python/qpid/parser.py')
-rw-r--r-- | python/qpid/parser.py | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/python/qpid/parser.py b/python/qpid/parser.py deleted file mode 100644 index 233f0a8469..0000000000 --- a/python/qpid/parser.py +++ /dev/null @@ -1,68 +0,0 @@ -# -# Licensed to the Apache Software Foundation (ASF) under one -# or more contributor license agreements. See the NOTICE file -# distributed with this work for additional information -# regarding copyright ownership. The ASF licenses this file -# to you under the Apache License, Version 2.0 (the -# "License"); you may not use this file except in compliance -# with the License. You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, -# software distributed under the License is distributed on an -# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY -# KIND, either express or implied. See the License for the -# specific language governing permissions and limitations -# under the License. -# - -class ParseError(Exception): - - def __init__(self, token, *expected): - line, ln, col = token.line_info() - exp = ", ".join(map(str, expected)) - if len(expected) > 1: - exp = "(%s)" % exp - if expected: - msg = "expecting %s, got %s line:%s,%s:%s" % (exp, token, ln, col, line) - else: - msg = "unexpected token %s line:%s,%s:%s" % (token, ln, col, line) - Exception.__init__(self, msg) - self.token = token - self.expected = expected - -class Parser: - - def __init__(self, tokens): - self.tokens = tokens - self.idx = 0 - - def next(self): - return self.tokens[self.idx] - - def matches(self, *types): - return self.next().type in types - - def eat(self, *types): - if types and not self.matches(*types): - raise ParseError(self.next(), *types) - else: - t = self.next() - self.idx += 1 - return t - - def eat_until(self, *types): - result = [] - while not self.matches(*types): - result.append(self.eat()) - return result - - def remove(self, start, end): - start_idx = self.tokens.index(start) - end_idx = self.tokens.index(end) + 1 - del self.tokens[start_idx:end_idx] - self.idx -= end_idx - start_idx - - def reset(self): - self.idx = 0 |