73 lines
3.4 KiB
Go
Vendored
73 lines
3.4 KiB
Go
Vendored
package s
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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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// Sparql lexer.
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var Sparql = internal.Register(MustNewLazyLexer(
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&Config{
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Name: "SPARQL",
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Aliases: []string{"sparql"},
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Filenames: []string{"*.rq", "*.sparql"},
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MimeTypes: []string{"application/sparql-query"},
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},
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sparqlRules,
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))
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func sparqlRules() Rules {
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return Rules{
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"root": {
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{`\s+`, Text, nil},
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{`((?i)select|construct|describe|ask|where|filter|group\s+by|minus|distinct|reduced|from\s+named|from|order\s+by|desc|asc|limit|offset|bindings|load|clear|drop|create|add|move|copy|insert\s+data|delete\s+data|delete\s+where|delete|insert|using\s+named|using|graph|default|named|all|optional|service|silent|bind|union|not\s+in|in|as|having|to|prefix|base)\b`, Keyword, nil},
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{`(a)\b`, Keyword, nil},
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{"(<(?:[^<>\"{}|^`\\\\\\x00-\\x20])*>)", NameLabel, nil},
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{`(_:[_\p{L}\p{N}](?:[-_.\p{L}\p{N}]*[-_\p{L}\p{N}])?)`, NameLabel, nil},
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{`[?$][_\p{L}\p{N}]+`, NameVariable, nil},
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{`([\p{L}][-_.\p{L}\p{N}]*)?(\:)((?:[_:\p{L}\p{N}]|(?:%[0-9A-Fa-f][0-9A-Fa-f])|(?:\\[ _~.\-!$&"()*+,;=/?#@%]))(?:(?:[-_:.\p{L}\p{N}]|(?:%[0-9A-Fa-f][0-9A-Fa-f])|(?:\\[ _~.\-!$&"()*+,;=/?#@%]))*(?:[-_:\p{L}\p{N}]|(?:%[0-9A-Fa-f][0-9A-Fa-f])|(?:\\[ _~.\-!$&"()*+,;=/?#@%])))?)?`, ByGroups(NameNamespace, Punctuation, NameTag), nil},
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{`((?i)str|lang|langmatches|datatype|bound|iri|uri|bnode|rand|abs|ceil|floor|round|concat|strlen|ucase|lcase|encode_for_uri|contains|strstarts|strends|strbefore|strafter|year|month|day|hours|minutes|seconds|timezone|tz|now|md5|sha1|sha256|sha384|sha512|coalesce|if|strlang|strdt|sameterm|isiri|isuri|isblank|isliteral|isnumeric|regex|substr|replace|exists|not\s+exists|count|sum|min|max|avg|sample|group_concat|separator)\b`, NameFunction, nil},
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{`(true|false)`, KeywordConstant, nil},
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{`[+\-]?(\d+\.\d*[eE][+-]?\d+|\.?\d+[eE][+-]?\d+)`, LiteralNumberFloat, nil},
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{`[+\-]?(\d+\.\d*|\.\d+)`, LiteralNumberFloat, nil},
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{`[+\-]?\d+`, LiteralNumberInteger, nil},
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{`(\|\||&&|=|\*|\-|\+|/|!=|<=|>=|!|<|>)`, Operator, nil},
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{`[(){}.;,:^\[\]]`, Punctuation, nil},
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{`#[^\n]*`, Comment, nil},
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{`"""`, LiteralString, Push("triple-double-quoted-string")},
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{`"`, LiteralString, Push("single-double-quoted-string")},
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{`'''`, LiteralString, Push("triple-single-quoted-string")},
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{`'`, LiteralString, Push("single-single-quoted-string")},
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},
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"triple-double-quoted-string": {
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{`"""`, LiteralString, Push("end-of-string")},
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{`[^\\]+`, LiteralString, nil},
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{`\\`, LiteralString, Push("string-escape")},
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},
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"single-double-quoted-string": {
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{`"`, LiteralString, Push("end-of-string")},
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{`[^"\\\n]+`, LiteralString, nil},
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{`\\`, LiteralString, Push("string-escape")},
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},
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"triple-single-quoted-string": {
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{`'''`, LiteralString, Push("end-of-string")},
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{`[^\\]+`, LiteralString, nil},
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{`\\`, LiteralStringEscape, Push("string-escape")},
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},
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"single-single-quoted-string": {
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{`'`, LiteralString, Push("end-of-string")},
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{`[^'\\\n]+`, LiteralString, nil},
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{`\\`, LiteralString, Push("string-escape")},
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},
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"string-escape": {
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{`u[0-9A-Fa-f]{4}`, LiteralStringEscape, Pop(1)},
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{`U[0-9A-Fa-f]{8}`, LiteralStringEscape, Pop(1)},
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{`.`, LiteralStringEscape, Pop(1)},
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},
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"end-of-string": {
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{`(@)([a-zA-Z]+(?:-[a-zA-Z0-9]+)*)`, ByGroups(Operator, NameFunction), Pop(2)},
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{`\^\^`, Operator, Pop(2)},
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Default(Pop(2)),
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},
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}
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}
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