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54 lines
1.8 KiB
54 lines
1.8 KiB
package y
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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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var YAML = internal.Register(MustNewLexer(
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&Config{
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Name: "YAML",
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Aliases: []string{"yaml"},
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Filenames: []string{"*.yaml", "*.yml"},
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MimeTypes: []string{"text/x-yaml"},
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},
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Rules{
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"root": {
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Include("whitespace"),
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{`^---`, NameNamespace, nil},
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{`^\.\.\.`, NameNamespace, nil},
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{`[\n?]?\s*- `, Text, nil},
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{`#.*$`, Comment, nil},
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{`!![^\s]+`, CommentPreproc, nil},
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{`&[^\s]+`, CommentPreproc, nil},
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{`\*[^\s]+`, CommentPreproc, nil},
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{`^%include\s+[^\n\r]+`, CommentPreproc, nil},
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Include("key"),
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Include("value"),
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{`[?:,\[\]]`, Punctuation, nil},
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{`.`, Text, nil},
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},
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"value": {
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{`([>|](?:[+-])?)(\n(^ {1,})(?:.*\n*(?:^\3 *).*)*)`, ByGroups(Punctuation, StringDoc, Whitespace), nil},
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{Words(``, `\b`, "true", "True", "TRUE", "false", "False", "FALSE", "null",
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"y", "Y", "yes", "Yes", "YES", "n", "N", "no", "No", "NO",
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"on", "On", "ON", "off", "Off", "OFF"), KeywordConstant, nil},
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{`"(?:\\.|[^"])*"`, StringDouble, nil},
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{`'(?:\\.|[^'])*'`, StringSingle, nil},
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{`\d\d\d\d-\d\d-\d\d([T ]\d\d:\d\d:\d\d(\.\d+)?(Z|\s+[-+]\d+)?)?`, LiteralDate, nil},
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{`\b[+\-]?(0x[\da-f]+|0o[0-7]+|(\d+\.?\d*|\.?\d+)(e[\+\-]?\d+)?|\.inf|\.nan)\b`, Number, nil},
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{`([^\{\}\[\]\?,\:\!\-\*&\@].*)( )+(#.*)`, ByGroups(Literal, Whitespace, Comment), nil},
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{`[^\{\}\[\]\?,\:\!\-\*&\@].*`, Literal, nil},
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},
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"key": {
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{`"[^"\n].*": `, NameTag, nil},
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{`(-)( )([^"\n{]*)(:)( )`, ByGroups(Punctuation, Whitespace, NameTag, Punctuation, Whitespace), nil},
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{`([^"\n{]*)(:)( )`, ByGroups(NameTag, Punctuation, Whitespace), nil},
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{`([^"\n{]*)(:)(\n)`, ByGroups(NameTag, Punctuation, Whitespace), nil},
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},
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"whitespace": {
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{`\s+`, Whitespace, nil},
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{`\n+`, Whitespace, nil},
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},
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},
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))
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