25f230191f
That way, we can set it to "" for old lexers, and check that it's present on new lexers. (In the future, we might also use it for better presentation in the documentation.)
139 lines
4.2 KiB
Python
139 lines
4.2 KiB
Python
"""
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pygments.lexers.meson
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~~~~~~~~~~~~~~~~~~~~~
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Pygments lexer for the Meson build system
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:copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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from pygments.lexer import RegexLexer, words, include
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from pygments.token import Comment, Name, Number, Punctuation, Operator, \
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Keyword, String, Whitespace
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__all__ = ['MesonLexer']
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class MesonLexer(RegexLexer):
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"""Meson language lexer.
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The grammar definition use to transcribe the syntax was retrieved from
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https://mesonbuild.com/Syntax.html#grammar for version 0.58.
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Some of those definitions are improperly transcribed, so the Meson++
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implementation was also checked: https://github.com/dcbaker/meson-plus-plus.
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"""
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# TODO String interpolation @VARNAME@ inner matches
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# TODO keyword_arg: value inner matches
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name = 'Meson'
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url = 'https://mesonbuild.com/'
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aliases = ['meson', 'meson.build']
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filenames = ['meson.build', 'meson_options.txt']
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mimetypes = ['text/x-meson']
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version_added = '2.10'
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tokens = {
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'root': [
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(r'#.*?$', Comment),
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(r"'''.*'''", String.Single),
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(r'[1-9][0-9]*', Number.Integer),
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(r'0o[0-7]+', Number.Oct),
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(r'0x[a-fA-F0-9]+', Number.Hex),
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include('string'),
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include('keywords'),
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include('expr'),
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(r'[a-zA-Z_][a-zA-Z_0-9]*', Name),
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(r'\s+', Whitespace),
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],
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'string': [
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(r"[']{3}([']{0,2}([^\\']|\\(.|\n)))*[']{3}", String),
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(r"'.*?(?<!\\)(\\\\)*?'", String),
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],
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'keywords': [
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(words((
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'if',
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'elif',
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'else',
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'endif',
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'foreach',
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'endforeach',
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'break',
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'continue',
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),
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suffix=r'\b'), Keyword),
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],
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'expr': [
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(r'(in|and|or|not)\b', Operator.Word),
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(r'(\*=|/=|%=|\+]=|-=|==|!=|\+|-|=)', Operator),
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(r'[\[\]{}:().,?]', Punctuation),
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(words(('true', 'false'), suffix=r'\b'), Keyword.Constant),
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include('builtins'),
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(words((
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'meson',
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'build_machine',
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'host_machine',
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'target_machine',
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),
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suffix=r'\b'), Name.Variable.Magic),
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],
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'builtins': [
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# This list was extracted from the v0.58 reference manual
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(words((
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'add_global_arguments',
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'add_global_link_arguments',
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'add_languages',
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'add_project_arguments',
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'add_project_link_arguments',
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'add_test_setup',
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'assert',
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'benchmark',
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'both_libraries',
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'build_target',
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'configuration_data',
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'configure_file',
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'custom_target',
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'declare_dependency',
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'dependency',
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'disabler',
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'environment',
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'error',
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'executable',
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'files',
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'find_library',
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'find_program',
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'generator',
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'get_option',
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'get_variable',
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'include_directories',
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'install_data',
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'install_headers',
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'install_man',
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'install_subdir',
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'is_disabler',
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'is_variable',
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'jar',
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'join_paths',
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'library',
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'message',
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'project',
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'range',
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'run_command',
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'set_variable',
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'shared_library',
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'shared_module',
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'static_library',
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'subdir',
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'subdir_done',
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'subproject',
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'summary',
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'test',
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'vcs_tag',
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'warning',
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),
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prefix=r'(?<!\.)',
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suffix=r'\b'), Name.Builtin),
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(r'(?<!\.)import\b', Name.Namespace),
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],
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}
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