Vyacheslav Egorov
ab56c2f841
This was missing from the previous wiki related commit. TBR=aam@google.com Change-Id: Ib68ead3bab2841bb8e02cb93fd71bce7515ff335 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/134285 Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
50 lines
1.5 KiB
Python
50 lines
1.5 KiB
Python
#
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# Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
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# for details. All rights reserved. Use of this source code is governed by a
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# BSD-style license that can be found in the LICENSE file.
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#
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"""Simple lexer for shell sessions.
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Highlights command lines (lines starting with $ prompt) and comments starting
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with #. For example:
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# This is a comment
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$ this-is-a-command
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This is output of the command
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$ this-is-a-multiline-command with-some-arguments \
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and more arguments \
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and more arguments
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And some output.
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"""
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from pygments.lexer import RegexLexer, words
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from pygments.token import Comment, Generic, Keyword
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_comment_style = Comment
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# Note: there is a slight inversion of styles to make it easier to read.
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# We highlight output with Prompt style and command as a normal text.
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_output_style = Generic.Prompt
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_command_style = Generic.Text
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_prompt_style = Keyword
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class CustomShellSessionLexer(RegexLexer):
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name = 'CustomShellSession'
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aliases = ['custom-shell-session']
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filenames = ['*.log']
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tokens = {
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'root': [
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(r'#.*\n', _comment_style),
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(r'^\$', _prompt_style, 'command'),
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(r'.', _output_style),
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],
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'command': [
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(r'\\\n', _command_style), # Continue in 'command' state.
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(r'$', _command_style, '#pop'), # End of line without escape.
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(r'.',
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_command_style), # Anything else continue in 'command' state.
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]
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}
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