diff options
Diffstat (limited to 'lua/lexers/meson.lua')
| -rw-r--r-- | lua/lexers/meson.lua | 163 |
1 files changed, 64 insertions, 99 deletions
diff --git a/lua/lexers/meson.lua b/lua/lexers/meson.lua index b6cbe15..c224f82 100644 --- a/lua/lexers/meson.lua +++ b/lua/lexers/meson.lua @@ -1,36 +1,18 @@ --- Copyright 2020 Florian Fischer. See LICENSE. +-- Copyright 2020-2022 Florian Fischer. See LICENSE. -- Meson file LPeg lexer. -local l = require('lexer') -local token, word_match = l.token, l.word_match +local lexer = require('lexer') +local token, word_match = lexer.token, lexer.word_match local P, R, S = lpeg.P, lpeg.R, lpeg.S -local M = {_NAME = 'meson'} +local lex = lexer.new('meson', {fold_by_indentation = true}) -- Whitespace. -local ws = token(l.WHITESPACE, l.space^1) - --- Comments. -local comment = token(l.COMMENT, '#' * l.nonnewline_esc^0) - --- Strings. -local str = l.delimited_range("'", true) -local multiline_str = "'''" * (l.any - "'''")^0 * P("'''")^-1 -local string = token(l.STRING, multiline_str + str) - --- Numbers. -local dec = R('19')^1 * R('09')^0 -local bin = '0b' * S('01')^1 -local oct = '0o' * R('07')^1 -local integer = S('+-')^-1 * (bin + l.hex_num + oct + dec) -local number = token(l.NUMBER, integer) +lex:add_rule('whitespace', token(lexer.WHITESPACE, lexer.space^1)) -- Keywords. -local keyword = token(l.KEYWORD, word_match{ - 'and', 'or', 'not', - 'if', 'elif', 'else', 'endif', - 'foreach', 'break', 'continue', 'endforeach', -}) +lex:add_rule('keyword', token(lexer.KEYWORD, word_match( + 'and or not if elif else endif foreach break continue endforeach'))) -- Methods. -- https://mesonbuild.com/Reference-manual.html#builtin-objects @@ -47,40 +29,34 @@ local method_names = word_match{ -- integer -- 'is_even', 'is_odd', -- string -- - 'contains', 'endswith', 'format', 'join', 'split', 'startswith', 'substring', - 'strip', 'to_int', 'to_lower', 'to_upper', 'underscorify', 'version_compare', + 'contains', 'endswith', 'format', 'join', 'split', 'startswith', 'substring', 'strip', 'to_int', + 'to_lower', 'to_upper', 'underscorify', 'version_compare', -- meson object -- - 'add_dist_script', 'add_install_script', 'add_postconf_script', 'backend', - 'build_root', 'source_root', 'project_build_root', 'project_source_root', - 'current_build_dir', 'current_source_dir', 'get_compiler', - 'get_cross_property', 'get_external_property', 'can_run_host_binaries', - 'has_exe_wrapper', 'install_dependency_manifest', 'is_cross_build', - 'is_subproject', 'is_unity', 'override_find_program', 'override_dependency', - 'project_version', 'project_license', 'project_name', 'version', + 'add_dist_script', 'add_install_script', 'add_postconf_script', 'backend', 'build_root', + 'source_root', 'project_build_root', 'project_source_root', 'current_build_dir', + 'current_source_dir', 'get_compiler', 'get_cross_property', 'get_external_property', + 'can_run_host_binaries', 'has_exe_wrapper', 'install_dependency_manifest', 'is_cross_build', + 'is_subproject', 'is_unity', 'override_find_program', 'override_dependency', 'project_version', + 'project_license', 'project_name', 'version', -- *_machine object -- 'cpu_family', 'cpu', 'system', 'endian', -- compiler object -- - 'alignment', 'cmd_array', 'compiles', 'compute_int', 'find_library', - 'first_supported_argument', 'first_supported_link_argument', 'get_define', - 'get_id', 'get_argument_syntax', 'get_linker_id', 'get_supported_arguments', - 'get_supported_link_arguments', 'has_argument', 'has_link_argument', - 'has_function', 'check_header', 'has_header', 'has_header_symbol', - 'has_member', 'has_members', 'has_multi_arguments', - 'has_multi_link_arguments', 'has_type', 'links', 'run', - 'symbols_have_underscore_prefix', 'sizeof', 'version', - 'has_function_attribute', 'get_supported_function_attributes', + 'alignment', 'cmd_array', 'compiles', 'compute_int', 'find_library', 'first_supported_argument', + 'first_supported_link_argument', 'get_define', 'get_id', 'get_argument_syntax', 'get_linker_id', + 'get_supported_arguments', 'get_supported_link_arguments', 'has_argument', 'has_link_argument', + 'has_function', 'check_header', 'has_header', 'has_header_symbol', 'has_member', 'has_members', + 'has_multi_arguments', 'has_multi_link_arguments', 'has_type', 'links', 'run', + 'symbols_have_underscore_prefix', 'sizeof', 'version', 'has_function_attribute', + 'get_supported_function_attributes', -- build target object -- - 'extract_all_objects', 'extract_objects', 'full_path', 'private_dir_include', - 'name', + 'extract_all_objects', 'extract_objects', 'full_path', 'private_dir_include', 'name', -- configuration data object -- - 'get', 'get_unquoted', 'has', 'keys', 'merge_from', 'set', 'set10', - 'set_quoted', + 'get', 'get_unquoted', 'has', 'keys', 'merge_from', 'set', 'set10', 'set_quoted', -- custom target object -- 'full_path', 'to_list', -- dependency object -- - 'found', 'name', 'get_pkgconfig_variable', 'get_configtool_variable', - 'type_name', 'version', 'include_type', 'as_system', 'as_link_whole', - 'partial_dependency', 'found', + 'found', 'name', 'get_pkgconfig_variable', 'get_configtool_variable', 'type_name', 'version', + 'include_type', 'as_system', 'as_link_whole', 'partial_dependency', 'found', -- external program object -- 'found', 'path', 'full_path', -- environment object -- @@ -92,70 +68,59 @@ local method_names = word_match{ -- subproject object -- 'found', 'get_variable', -- run result object -- - 'compiled', 'returncode', 'stderr', 'stdout', + 'compiled', 'returncode', 'stderr', 'stdout' } -- A method call must be followed by an opening parenthesis. -local method = token('method', method_names * #P(l.space^0 * S('('))) +lex:add_rule('method', token('method', method_names * #(lexer.space^0 * '('))) +lex:add_style('method', lexer.styles['function']) -- Function. -- https://mesonbuild.com/Reference-manual.html#functions -local func_names = word_match{ - 'add_global_arguments', 'add_global_link_arguments', 'add_languages', - 'add_project_arguments', 'add_project_link_arguments', 'add_test_setup', - 'alias_targ', 'assert', 'benchmark', 'both_libraries', 'build_target', - 'configuration_data', 'configure_file', 'custom_target', 'declare_dependency', - 'dependency', 'disabler', 'error', 'environment', 'executable', - 'find_library', 'find_program', 'files', 'generator', 'get_option', - 'get_variable', 'import', 'include_directories', 'install_data', - 'install_headers', 'install_man', 'install_subdir', 'is_disabler', - 'is_variable', 'jar', 'join_paths', 'library', 'message', 'warning', - 'summary', 'project', 'run_command', 'run_targ', 'set_variable', - 'shared_library', 'shared_module', 'static_library', 'subdir', 'subdir_done', - 'subproject', 'test', 'vcs_tag', +local func_names = word_match{ + 'add_global_arguments', 'add_global_link_arguments', 'add_languages', 'add_project_arguments', + 'add_project_link_arguments', 'add_test_setup', 'alias_targ', 'assert', 'benchmark', + 'both_libraries', 'build_target', 'configuration_data', 'configure_file', 'custom_target', + 'declare_dependency', 'dependency', 'disabler', 'error', 'environment', 'executable', + 'find_library', 'find_program', 'files', 'generator', 'get_option', 'get_variable', 'import', + 'include_directories', 'install_data', 'install_headers', 'install_man', 'install_subdir', + 'is_disabler', 'is_variable', 'jar', 'join_paths', 'library', 'message', 'warning', 'summary', + 'project', 'run_command', 'run_targ', 'set_variable', 'shared_library', 'shared_module', + 'static_library', 'subdir', 'subdir_done', 'subproject', 'test', 'vcs_tag' } --- A function call must be followed by an opening parenthesis. --- The matching of function calls instead of just their names is needed to not --- falsely highlight function names which can also be keyword arguments. --- For example 'include_directories' can be a function call itself or a keyword --- argument of an 'executable' or 'library' function call. -local func = token(l.FUNCTION, func_names * #P(l.space^0 * S('('))) +-- A function call must be followed by an opening parenthesis. The matching of function calls +-- instead of just their names is needed to not falsely highlight function names which can also +-- be keyword arguments. For example 'include_directories' can be a function call itself or a +-- keyword argument of an 'executable' or 'library' function call. +lex:add_rule('function', token(lexer.FUNCTION, func_names * #(lexer.space^0 * '('))) -- Builtin objects. -- https://mesonbuild.com/Reference-manual.html#builtin-objects -local object = token('object', word_match{ - 'meson', 'build_machine', 'host_machine', 'target_machine', -}) +lex:add_rule('object', + token('object', word_match('meson build_machine host_machine target_machine'))) +lex:add_style('object', lexer.styles.type) -- Constants. -local constant = token(l.CONSTANT, word_match{ - 'false', 'true', -}) +lex:add_rule('constant', token(lexer.CONSTANT, word_match('false true'))) -- Identifiers. -local identifier = token(l.IDENTIFIER, l.word) +lex:add_rule('identifier', token(lexer.IDENTIFIER, lexer.word)) --- Operators. -local operator = token(l.OPERATOR, S('()[]{}-=+/%:.,?<>')) +-- Strings. +local str = lexer.range("'", true) +local multiline_str = lexer.range("'''") +lex:add_rule('string', token(lexer.STRING, multiline_str + str)) -M._rules = { - {'whitespace', ws}, - {'keyword', keyword}, - {'method', method}, - {'function', func}, - {'object', object}, - {'constant', constant}, - {'identifier', identifier}, - {'comment', comment}, - {'string', string}, - {'number', number}, - {'operator', operator}, -} +-- Comments. +lex:add_rule('comment', token(lexer.COMMENT, lexer.to_eol('#', true))) -M._tokenstyles = { - method = l.STYLE_FUNCTION, - object = l.STYLE_TYPE, -} +-- Numbers. +local dec = R('19')^1 * R('09')^0 +local bin = '0b' * S('01')^1 +local oct = '0o' * R('07')^1 +local integer = S('+-')^-1 * (bin + lexer.hex_num + oct + dec) +lex:add_rule('number', token(lexer.NUMBER, integer)) -M._FOLDBYINDENTATION = true +-- Operators. +lex:add_rule('operator', token(lexer.OPERATOR, S('()[]{}-=+/%:.,?<>'))) -return M +return lex |