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89e93d90b3
Merge branch 'master' into use-glamour select Glamour Theme based on BackgroundColor Merge branch 'master' into use-glamour Merge branch 'master' into use-glamour update termev update go.mod label color colorate use glamour for issue content Vendor: Add glamour Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com> Co-authored-by: 6543 <6543@obermui.de> Reviewed-on: https://gitea.com/gitea/tea/pulls/181 Reviewed-by: techknowlogick <techknowlogick@gitea.io> Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
67 lines
3.4 KiB
Go
67 lines
3.4 KiB
Go
package v
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import (
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. "github.com/alecthomas/chroma" // nolint
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"github.com/alecthomas/chroma/lexers/internal"
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)
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// VHDL lexer.
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var VHDL = internal.Register(MustNewLexer(
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&Config{
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Name: "VHDL",
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Aliases: []string{"vhdl"},
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Filenames: []string{"*.vhdl", "*.vhd"},
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MimeTypes: []string{"text/x-vhdl"},
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CaseInsensitive: true,
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},
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Rules{
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"root": {
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{`\n`, Text, nil},
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{`\s+`, Text, nil},
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{`\\\n`, Text, nil},
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{`--.*?$`, CommentSingle, nil},
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{`'(U|X|0|1|Z|W|L|H|-)'`, LiteralStringChar, nil},
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{`[~!%^&*+=|?:<>/-]`, Operator, nil},
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{`'[a-z_]\w*`, NameAttribute, nil},
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{`[()\[\],.;\']`, Punctuation, nil},
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{`"[^\n\\"]*"`, LiteralString, nil},
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{`(library)(\s+)([a-z_]\w*)`, ByGroups(Keyword, Text, NameNamespace), nil},
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{`(use)(\s+)(entity)`, ByGroups(Keyword, Text, Keyword), nil},
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{`(use)(\s+)([a-z_][\w.]*\.)(all)`, ByGroups(Keyword, Text, NameNamespace, Keyword), nil},
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{`(use)(\s+)([a-z_][\w.]*)`, ByGroups(Keyword, Text, NameNamespace), nil},
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{`(std|ieee)(\.[a-z_]\w*)`, ByGroups(NameNamespace, NameNamespace), nil},
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{Words(``, `\b`, `std`, `ieee`, `work`), NameNamespace, nil},
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{`(entity|component)(\s+)([a-z_]\w*)`, ByGroups(Keyword, Text, NameClass), nil},
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{`(architecture|configuration)(\s+)([a-z_]\w*)(\s+)(of)(\s+)([a-z_]\w*)(\s+)(is)`, ByGroups(Keyword, Text, NameClass, Text, Keyword, Text, NameClass, Text, Keyword), nil},
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{`([a-z_]\w*)(:)(\s+)(process|for)`, ByGroups(NameClass, Operator, Text, Keyword), nil},
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// This seems to cause a recursive loop.
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// {`(end)(\s+)`, ByGroups(UsingSelf("root"), Text), Push("endblock")},
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{`(end)(\s+)`, ByGroups(Keyword, Text), Push("endblock")},
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Include("types"),
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Include("keywords"),
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Include("numbers"),
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{`[a-z_]\w*`, Name, nil},
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},
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"endblock": {
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Include("keywords"),
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{`[a-z_]\w*`, NameClass, nil},
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{`(\s+)`, Text, nil},
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{`;`, Punctuation, Pop(1)},
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},
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"types": {
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{Words(``, `\b`, `boolean`, `bit`, `character`, `severity_level`, `integer`, `time`, `delay_length`, `natural`, `positive`, `string`, `bit_vector`, `file_open_kind`, `file_open_status`, `std_ulogic`, `std_ulogic_vector`, `std_logic`, `std_logic_vector`, `signed`, `unsigned`), KeywordType, nil},
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},
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"keywords": {
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{Words(``, `\b`, `abs`, `access`, `after`, `alias`, `all`, `and`, `architecture`, `array`, `assert`, `attribute`, `begin`, `block`, `body`, `buffer`, `bus`, `case`, `component`, `configuration`, `constant`, `disconnect`, `downto`, `else`, `elsif`, `end`, `entity`, `exit`, `file`, `for`, `function`, `generate`, `generic`, `group`, `guarded`, `if`, `impure`, `in`, `inertial`, `inout`, `is`, `label`, `library`, `linkage`, `literal`, `loop`, `map`, `mod`, `nand`, `new`, `next`, `nor`, `not`, `null`, `of`, `on`, `open`, `or`, `others`, `out`, `package`, `port`, `postponed`, `procedure`, `process`, `pure`, `range`, `record`, `register`, `reject`, `rem`, `return`, `rol`, `ror`, `select`, `severity`, `signal`, `shared`, `sla`, `sll`, `sra`, `srl`, `subtype`, `then`, `to`, `transport`, `type`, `units`, `until`, `use`, `variable`, `wait`, `when`, `while`, `with`, `xnor`, `xor`), Keyword, nil},
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},
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"numbers": {
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{`\d{1,2}#[0-9a-f_]+#?`, LiteralNumberInteger, nil},
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{`\d+`, LiteralNumberInteger, nil},
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{`(\d+\.\d*|\.\d+|\d+)E[+-]?\d+`, LiteralNumberFloat, nil},
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{`X"[0-9a-f_]+"`, LiteralNumberHex, nil},
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{`O"[0-7_]+"`, LiteralNumberOct, nil},
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{`B"[01_]+"`, LiteralNumberBin, nil},
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},
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},
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))
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