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""" |
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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 2006-2025 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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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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(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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