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60 lines
2.4 KiB
Go
60 lines
2.4 KiB
Go
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package p
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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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// Promql lexer.
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var Promql = internal.Register(MustNewLazyLexer(
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&Config{
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Name: "PromQL",
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Aliases: []string{"promql"},
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Filenames: []string{"*.promql"},
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MimeTypes: []string{},
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},
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promqlRules,
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))
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func promqlRules() Rules {
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return Rules{
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"root": {
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{`\n`, TextWhitespace, nil},
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{`\s+`, TextWhitespace, nil},
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{`,`, Punctuation, nil},
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{Words(``, `\b`, `bool`, `by`, `group_left`, `group_right`, `ignoring`, `offset`, `on`, `without`), Keyword, nil},
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{Words(``, `\b`, `sum`, `min`, `max`, `avg`, `group`, `stddev`, `stdvar`, `count`, `count_values`, `bottomk`, `topk`, `quantile`), Keyword, nil},
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{Words(``, `\b`, `abs`, `absent`, `absent_over_time`, `avg_over_time`, `ceil`, `changes`, `clamp_max`, `clamp_min`, `count_over_time`, `day_of_month`, `day_of_week`, `days_in_month`, `delta`, `deriv`, `exp`, `floor`, `histogram_quantile`, `holt_winters`, `hour`, `idelta`, `increase`, `irate`, `label_join`, `label_replace`, `ln`, `log10`, `log2`, `max_over_time`, `min_over_time`, `minute`, `month`, `predict_linear`, `quantile_over_time`, `rate`, `resets`, `round`, `scalar`, `sort`, `sort_desc`, `sqrt`, `stddev_over_time`, `stdvar_over_time`, `sum_over_time`, `time`, `timestamp`, `vector`, `year`), KeywordReserved, nil},
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{`[1-9][0-9]*[smhdwy]`, LiteralString, nil},
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{`-?[0-9]+\.[0-9]+`, LiteralNumberFloat, nil},
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{`-?[0-9]+`, LiteralNumberInteger, nil},
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{`#.*?$`, CommentSingle, nil},
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{`(\+|\-|\*|\/|\%|\^)`, Operator, nil},
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{`==|!=|>=|<=|<|>`, Operator, nil},
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{`and|or|unless`, OperatorWord, nil},
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{`[_a-zA-Z][a-zA-Z0-9_]+`, NameVariable, nil},
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{`(["\'])(.*?)(["\'])`, ByGroups(Punctuation, LiteralString, Punctuation), nil},
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{`\(`, Operator, Push("function")},
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{`\)`, Operator, nil},
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{`\{`, Punctuation, Push("labels")},
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{`\[`, Punctuation, Push("range")},
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},
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"labels": {
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{`\}`, Punctuation, Pop(1)},
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{`\n`, TextWhitespace, nil},
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{`\s+`, TextWhitespace, nil},
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{`,`, Punctuation, nil},
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{`([_a-zA-Z][a-zA-Z0-9_]*?)(\s*?)(=~|!=|=|!~)(\s*?)("|')(.*?)("|')`, ByGroups(NameLabel, TextWhitespace, Operator, TextWhitespace, Punctuation, LiteralString, Punctuation), nil},
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},
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"range": {
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{`\]`, Punctuation, Pop(1)},
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{`[1-9][0-9]*[smhdwy]`, LiteralString, nil},
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},
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"function": {
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{`\)`, Operator, Pop(1)},
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{`\(`, Operator, Push()},
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Default(Pop(1)),
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},
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}
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}
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