promql.go

Documentation: github.com/alecthomas/chroma/lexers/p

     1  package p
     2  
     3  import (
     4  	. "github.com/alecthomas/chroma" // nolint
     5  	"github.com/alecthomas/chroma/lexers/internal"
     6  )
     7  
     8  // Promql lexer.
     9  var Promql = internal.Register(MustNewLazyLexer(
    10  	&Config{
    11  		Name:      "PromQL",
    12  		Aliases:   []string{"promql"},
    13  		Filenames: []string{"*.promql"},
    14  		MimeTypes: []string{},
    15  	},
    16  	promqlRules,
    17  ))
    18  
    19  func promqlRules() Rules {
    20  	return Rules{
    21  		"root": {
    22  			{`\n`, TextWhitespace, nil},
    23  			{`\s+`, TextWhitespace, nil},
    24  			{`,`, Punctuation, nil},
    25  			{Words(``, `\b`, `bool`, `by`, `group_left`, `group_right`, `ignoring`, `offset`, `on`, `without`), Keyword, nil},
    26  			{Words(``, `\b`, `sum`, `min`, `max`, `avg`, `group`, `stddev`, `stdvar`, `count`, `count_values`, `bottomk`, `topk`, `quantile`), Keyword, nil},
    27  			{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},
    28  			{`[1-9][0-9]*[smhdwy]`, LiteralString, nil},
    29  			{`-?[0-9]+\.[0-9]+`, LiteralNumberFloat, nil},
    30  			{`-?[0-9]+`, LiteralNumberInteger, nil},
    31  			{`#.*?$`, CommentSingle, nil},
    32  			{`(\+|\-|\*|\/|\%|\^)`, Operator, nil},
    33  			{`==|!=|>=|<=|<|>`, Operator, nil},
    34  			{`and|or|unless`, OperatorWord, nil},
    35  			{`[_a-zA-Z][a-zA-Z0-9_]+`, NameVariable, nil},
    36  			{`(["\'])(.*?)(["\'])`, ByGroups(Punctuation, LiteralString, Punctuation), nil},
    37  			{`\(`, Operator, Push("function")},
    38  			{`\)`, Operator, nil},
    39  			{`\{`, Punctuation, Push("labels")},
    40  			{`\[`, Punctuation, Push("range")},
    41  		},
    42  		"labels": {
    43  			{`\}`, Punctuation, Pop(1)},
    44  			{`\n`, TextWhitespace, nil},
    45  			{`\s+`, TextWhitespace, nil},
    46  			{`,`, Punctuation, nil},
    47  			{`([_a-zA-Z][a-zA-Z0-9_]*?)(\s*?)(=~|!=|=|!~)(\s*?)("|')(.*?)("|')`, ByGroups(NameLabel, TextWhitespace, Operator, TextWhitespace, Punctuation, LiteralString, Punctuation), nil},
    48  		},
    49  		"range": {
    50  			{`\]`, Punctuation, Pop(1)},
    51  			{`[1-9][0-9]*[smhdwy]`, LiteralString, nil},
    52  		},
    53  		"function": {
    54  			{`\)`, Operator, Pop(1)},
    55  			{`\(`, Operator, Push()},
    56  			Default(Pop(1)),
    57  		},
    58  	}
    59  }
    60
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