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Add lexer for Meson build system

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Ported pygments' lexer using pygments2chroma.py.
This commit is contained in:
Koki Fukuda 2021-07-23 00:17:11 +09:00 committed by Alec Thomas
parent a0e9618fbc
commit f09329ae62
3 changed files with 129 additions and 0 deletions
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51
lexers/m/meson.go Normal file
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package m
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Meson lexer.
var Meson = internal.Register(MustNewLazyLexer(
&Config{
Name: "Meson",
Aliases: []string{"meson", "meson.build"},
Filenames: []string{"meson.build", "meson_options.txt"},
MimeTypes: []string{"text/x-meson"},
},
func() Rules {
return Rules{
"root": {
{`#.*?$`, Comment, nil},
{`'''.*'''`, LiteralStringSingle, nil},
{`[1-9][0-9]*`, LiteralNumberInteger, nil},
{`0o[0-7]+`, LiteralNumberOct, nil},
{`0x[a-fA-F0-9]+`, LiteralNumberHex, nil},
Include("string"),
Include("keywords"),
Include("expr"),
{`[a-zA-Z_][a-zA-Z_0-9]*`, Name, nil},
{`\s+`, TextWhitespace, nil},
},
"string": {
{`[']{3}([']{0,2}([^\\']|\\(.|\n)))*[']{3}`, LiteralString, nil},
{`'.*?(?<!\\)(\\\\)*?'`, LiteralString, nil},
},
"keywords": {
{Words(``, `\b`, `if`, `elif`, `else`, `endif`, `foreach`, `endforeach`, `break`, `continue`), Keyword, nil},
},
"expr": {
{`(in|and|or|not)\b`, OperatorWord, nil},
{`(\*=|/=|%=|\+]=|-=|==|!=|\+|-|=)`, Operator, nil},
{`[\[\]{}:().,?]`, Punctuation, nil},
{Words(``, `\b`, `true`, `false`), KeywordConstant, nil},
Include("builtins"),
{Words(``, `\b`, `meson`, `build_machine`, `host_machine`, `target_machine`), NameVariableMagic, nil},
},
"builtins": {
{Words(`(?<!\.)`, `\b`, `add_global_arguments`, `add_global_link_arguments`, `add_languages`, `add_project_arguments`, `add_project_link_arguments`, `add_test_setup`, `assert`, `benchmark`, `both_libraries`, `build_target`, `configuration_data`, `configure_file`, `custom_target`, `declare_dependency`, `dependency`, `disabler`, `environment`, `error`, `executable`, `files`, `find_library`, `find_program`, `generator`, `get_option`, `get_variable`, `include_directories`, `install_data`, `install_headers`, `install_man`, `install_subdir`, `is_disabler`, `is_variable`, `jar`, `join_paths`, `library`, `message`, `project`, `range`, `run_command`, `set_variable`, `shared_library`, `shared_module`, `static_library`, `subdir`, `subdir_done`, `subproject`, `summary`, `test`, `vcs_tag`, `warning`), NameBuiltin, nil},
{`(?<!\.)import\b`, NameNamespace, nil},
},
}
},
))

11
lexers/testdata/meson.actual vendored Normal file
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project('foo', 'cpp', default_options : ['warning_level=3'])
required_modules = ['gnome']
foreach mod in required_modules
import(mod)
endforeach
# Comment
zlib_dep = dependency('zlib')
executable('''bar''', 'main.cc', dependencies : zlib_dep)

67
lexers/testdata/meson.expected vendored Normal file
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[
{"type":"NameBuiltin","value":"project"},
{"type":"Punctuation","value":"("},
{"type":"LiteralString","value":"'foo'"},
{"type":"Punctuation","value":","},
{"type":"TextWhitespace","value":" "},
{"type":"LiteralString","value":"'cpp'"},
{"type":"Punctuation","value":","},
{"type":"TextWhitespace","value":" "},
{"type":"Name","value":"default_options"},
{"type":"TextWhitespace","value":" "},
{"type":"Punctuation","value":":"},
{"type":"TextWhitespace","value":" "},
{"type":"Punctuation","value":"["},
{"type":"LiteralString","value":"'warning_level=3'"},
{"type":"Punctuation","value":"])"},
{"type":"TextWhitespace","value":"\n\n"},
{"type":"Name","value":"required_modules"},
{"type":"TextWhitespace","value":" "},
{"type":"Operator","value":"="},
{"type":"TextWhitespace","value":" "},
{"type":"Punctuation","value":"["},
{"type":"LiteralString","value":"'gnome'"},
{"type":"Punctuation","value":"]"},
{"type":"TextWhitespace","value":"\n\n"},
{"type":"Keyword","value":"foreach"},
{"type":"TextWhitespace","value":" "},
{"type":"Name","value":"mod"},
{"type":"TextWhitespace","value":" "},
{"type":"OperatorWord","value":"in"},
{"type":"TextWhitespace","value":" "},
{"type":"Name","value":"required_modules"},
{"type":"TextWhitespace","value":"\n "},
{"type":"NameNamespace","value":"import"},
{"type":"Punctuation","value":"("},
{"type":"Name","value":"mod"},
{"type":"Punctuation","value":")"},
{"type":"TextWhitespace","value":"\n"},
{"type":"Keyword","value":"endforeach"},
{"type":"TextWhitespace","value":"\n\n"},
{"type":"Comment","value":"# Comment"},
{"type":"TextWhitespace","value":"\n"},
{"type":"Name","value":"zlib_dep"},
{"type":"TextWhitespace","value":" "},
{"type":"Operator","value":"="},
{"type":"TextWhitespace","value":" "},
{"type":"NameBuiltin","value":"dependency"},
{"type":"Punctuation","value":"("},
{"type":"LiteralString","value":"'zlib'"},
{"type":"Punctuation","value":")"},
{"type":"TextWhitespace","value":"\n"},
{"type":"NameBuiltin","value":"executable"},
{"type":"Punctuation","value":"("},
{"type":"LiteralStringSingle","value":"'''bar'''"},
{"type":"Punctuation","value":","},
{"type":"TextWhitespace","value":" "},
{"type":"LiteralString","value":"'main.cc'"},
{"type":"Punctuation","value":","},
{"type":"TextWhitespace","value":" "},
{"type":"Name","value":"dependencies"},
{"type":"TextWhitespace","value":" "},
{"type":"Punctuation","value":":"},
{"type":"TextWhitespace","value":" "},
{"type":"Name","value":"zlib_dep"},
{"type":"Punctuation","value":")"},
{"type":"TextWhitespace","value":"\n"}
]