<filename>google_appengine/google/appengine/cron/groc.py<gh_stars>10-100
#!/usr/bin/env python
#
# Copyright 2007 Google Inc.
#
# 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.
#









"""A wrapper around the generated Groc parser and lexer."""

from __future__ import absolute_import



import google

from . import GrocLexer
from . import GrocParser

import antlr3


class GrocException(Exception):
  """An error occurred while parsing the groc input string."""


class GrocLexerWithErrors(GrocLexer.GrocLexer):
  """An overridden Lexer that raises exceptions."""

  def emitErrorMessage(self, msg):
    """Raise an exception if the input fails to parse correctly.

    Overriding the default, which normally just prints a message to
    stderr.

    Arguments:
      msg: the error message
    Raises:
      GrocException: always.
    """
    raise GrocException(msg)


class GrocParserWithErrors(GrocParser.GrocParser):
  """An overridden Parser that raises exceptions."""

  def emitErrorMessage(self, msg):
    """Raise an exception if the input fails to parse correctly.

    Overriding the default, which normally just prints a message to
    stderr.

    Arguments:
      msg: the error message
    Raises:
      GrocException: always.
    """
    raise GrocException(msg)


def CreateParser(parse_string):
  """Creates a Groc Parser."""
  input_string = antlr3.ANTLRStringStream(parse_string)
  lexer = GrocLexerWithErrors(input_string)
  tokens = antlr3.CommonTokenStream(lexer)
  parser = GrocParserWithErrors(tokens)
  return parser

<filename>google_appengine/google/appengine/cron/groc.py<gh_stars>10-100
#!/usr/bin/env python
#
# Copyright 2007 Google Inc.
#
# 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.
#









"""A wrapper around the generated Groc parser and lexer."""

from __future__ import absolute_import



import google

from . import GrocLexer
from . import GrocParser

import antlr3


class GrocException(Exception):
  """An error occurred while parsing the groc input string."""


class GrocLexerWithErrors(GrocLexer.GrocLexer):
  """An overridden Lexer that raises exceptions."""

  def emitErrorMessage(self, msg):
    """Raise an exception if the input fails to parse correctly.

    Overriding the default, which normally just prints a message to
    stderr.

    Arguments:
      msg: the error message
    Raises:
      GrocException: always.
    """
    raise GrocException(msg)


class GrocParserWithErrors(GrocParser.GrocParser):
  """An overridden Parser that raises exceptions."""

  def emitErrorMessage(self, msg):
    """Raise an exception if the input fails to parse correctly.

    Overriding the default, which normally just prints a message to
    stderr.

    Arguments:
      msg: the error message
    Raises:
      GrocException: always.
    """
    raise GrocException(msg)


def CreateParser(parse_string):
  """Creates a Groc Parser."""
  input_string = antlr3.ANTLRStringStream(parse_string)
  lexer = GrocLexerWithErrors(input_string)
  tokens = antlr3.CommonTokenStream(lexer)
  parser = GrocParserWithErrors(tokens)
  return parser

#!/usr/bin/env python # # Copyright 2007 Google Inc. # # 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. # A wrapper around the generated Groc parser and lexer. An error occurred while parsing the groc input string. An overridden Lexer that raises exceptions. Raise an exception if the input fails to parse correctly.      Overriding the default, which normally just prints a message to     stderr.      Arguments:       msg: the error message     Raises:       GrocException: always. An overridden Parser that raises exceptions. Raise an exception if the input fails to parse correctly.      Overriding the default, which normally just prints a message to     stderr.      Arguments:       msg: the error message     Raises:       GrocException: always. Creates a Groc Parser.