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diff --git a/tools/closure_linter-2.3.4/closure_linter/checker.py b/tools/closure_linter-2.3.4/closure_linter/checker.py
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--- a/tools/closure_linter-2.3.4/closure_linter/checker.py
+++ /dev/null
@@ -1,142 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright 2007 The Closure Linter Authors. All Rights Reserved.
-#
-# Licensed 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.
-
-"""Core methods for checking JS files for common style guide violations."""
-
-__author__ = ('robbyw@google.com (Robert Walker)',
- 'ajp@google.com (Andy Perelson)')
-
-import gflags as flags
-
-from closure_linter import checkerbase
-from closure_linter import closurizednamespacesinfo
-from closure_linter import ecmametadatapass
-from closure_linter import errors
-from closure_linter import javascriptlintrules
-from closure_linter import javascriptstatetracker
-from closure_linter.common import errorprinter
-from closure_linter.common import lintrunner
-
-flags.DEFINE_list('limited_doc_files', ['dummy.js', 'externs.js'],
- 'List of files with relaxed documentation checks. Will not '
- 'report errors for missing documentation, some missing '
- 'descriptions, or methods whose @return tags don\'t have a '
- 'matching return statement.')
-flags.DEFINE_list('closurized_namespaces', '',
- 'Namespace prefixes, used for testing of'
- 'goog.provide/require')
-flags.DEFINE_list('ignored_extra_namespaces', '',
- 'Fully qualified namespaces that should be not be reported '
- 'as extra by the linter.')
-
-
-class JavaScriptStyleChecker(checkerbase.CheckerBase):
- """Checker that applies JavaScriptLintRules."""
-
- def __init__(self, error_handler):
- """Initialize an JavaScriptStyleChecker object.
-
- Args:
- error_handler: Error handler to pass all errors to
- """
- self._namespaces_info = None
- if flags.FLAGS.closurized_namespaces:
- self._namespaces_info = (
- closurizednamespacesinfo.ClosurizedNamespacesInfo(
- flags.FLAGS.closurized_namespaces,
- flags.FLAGS.ignored_extra_namespaces))
-
- checkerbase.CheckerBase.__init__(
- self,
- error_handler=error_handler,
- lint_rules=javascriptlintrules.JavaScriptLintRules(
- self._namespaces_info),
- state_tracker=javascriptstatetracker.JavaScriptStateTracker(),
- metadata_pass=ecmametadatapass.EcmaMetaDataPass(),
- limited_doc_files=flags.FLAGS.limited_doc_files)
-
- def _CheckTokens(self, token, parse_error, debug_tokens):
- """Checks a token stream for lint warnings/errors.
-
- Adds a separate pass for computing dependency information based on
- goog.require and goog.provide statements prior to the main linting pass.
-
- Args:
- token: The first token in the token stream.
- parse_error: A ParseError if any errors occurred.
- debug_tokens: Whether every token should be printed as it is encountered
- during the pass.
-
- Returns:
- A boolean indicating whether the full token stream could be checked or if
- checking failed prematurely.
- """
- # To maximize the amount of errors that get reported before a parse error
- # is displayed, don't run the dependency pass if a parse error exists.
- if self._namespaces_info and not parse_error:
- self._namespaces_info.Reset()
- result = (self._ExecutePass(token, self._DependencyPass) and
- self._ExecutePass(token, self._LintPass,
- debug_tokens=debug_tokens))
- else:
- result = self._ExecutePass(token, self._LintPass, parse_error,
- debug_tokens)
-
- if not result:
- return False
-
- self._lint_rules.Finalize(self._state_tracker, self._tokenizer.mode)
-
- self._error_handler.FinishFile()
- return True
-
- def _DependencyPass(self, token):
- """Processes an invidual token for dependency information.
-
- Used to encapsulate the logic needed to process an individual token so that
- it can be passed to _ExecutePass.
-
- Args:
- token: The token to process.
- """
- self._namespaces_info.ProcessToken(token, self._state_tracker)
-
-
-class GJsLintRunner(lintrunner.LintRunner):
- """Wrapper class to run GJsLint."""
-
- def Run(self, filenames, error_handler=None):
- """Run GJsLint on the given filenames.
-
- Args:
- filenames: The filenames to check
- error_handler: An optional ErrorHandler object, an ErrorPrinter is used if
- none is specified.
-
- Returns:
- error_count, file_count: The number of errors and the number of files that
- contain errors.
- """
- if not error_handler:
- error_handler = errorprinter.ErrorPrinter(errors.NEW_ERRORS)
-
- checker = JavaScriptStyleChecker(error_handler)
-
- # Check the list of files.
- for filename in filenames:
- checker.Check(filename)
-
- return error_handler