mirror of
https://github.com/alecthomas/chroma.git
synced 2025-02-09 13:23:51 +02:00
Add PromQL lexer
It also includes several test examples
This commit is contained in:
Pablo SEMINARIO
Alec Thomas
parent
552ad244cf
commit
eb0e31fc05
55
lexers/p/promql.go
Normal file
55
lexers/p/promql.go
Normal file
@ -0,0 +1,55 @@
|
||||
package p
|
||||
|
||||
import (
|
||||
. "github.com/alecthomas/chroma" // nolint
|
||||
"github.com/alecthomas/chroma/lexers/internal"
|
||||
)
|
||||
|
||||
// Promql lexer.
|
||||
var Promql = internal.Register(MustNewLexer(
|
||||
&Config{
|
||||
Name: "PromQL",
|
||||
Aliases: []string{"promql"},
|
||||
Filenames: []string{"*.promql"},
|
||||
MimeTypes: []string{},
|
||||
},
|
||||
Rules{
|
||||
"root": {
|
||||
{`\n`, TextWhitespace, nil},
|
||||
{`\s+`, TextWhitespace, nil},
|
||||
{`,`, Punctuation, nil},
|
||||
{Words(``, `\b`, `bool`, `by`, `group_left`, `group_right`, `ignoring`, `offset`, `on`, `without`), Keyword, nil},
|
||||
{Words(``, `\b`, `sum`, `min`, `max`, `avg`, `group`, `stddev`, `stdvar`, `count`, `count_values`, `bottomk`, `topk`, `quantile`), Keyword, nil},
|
||||
{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},
|
||||
{`[1-9][0-9]*[smhdwy]`, LiteralString, nil},
|
||||
{`-?[0-9]+\.[0-9]+`, LiteralNumberFloat, nil},
|
||||
{`-?[0-9]+`, LiteralNumberInteger, nil},
|
||||
{`#.*?$`, CommentSingle, nil},
|
||||
{`(\+|\-|\*|\/|\%|\^)`, Operator, nil},
|
||||
{`==|!=|>=|<=|<|>`, Operator, nil},
|
||||
{`and|or|unless`, OperatorWord, nil},
|
||||
{`[_a-zA-Z][a-zA-Z0-9_]+`, NameVariable, nil},
|
||||
{`(["\'])(.*?)(["\'])`, ByGroups(Punctuation, LiteralString, Punctuation), nil},
|
||||
{`\(`, Operator, Push("function")},
|
||||
{`\)`, Operator, nil},
|
||||
{`\{`, Punctuation, Push("labels")},
|
||||
{`\[`, Punctuation, Push("range")},
|
||||
},
|
||||
"labels": {
|
||||
{`\}`, Punctuation, Pop(1)},
|
||||
{`\n`, TextWhitespace, nil},
|
||||
{`\s+`, TextWhitespace, nil},
|
||||
{`,`, Punctuation, nil},
|
||||
{`([_a-zA-Z][a-zA-Z0-9_]*?)(\s*?)(=~|!=|=|~!)(\s*?)(")(.*?)(")`, ByGroups(NameLabel, TextWhitespace, Operator, TextWhitespace, Punctuation, LiteralString, Punctuation), nil},
|
||||
},
|
||||
"range": {
|
||||
{`\]`, Punctuation, Pop(1)},
|
||||
{`[1-9][0-9]*[smhdwy]`, LiteralString, nil},
|
||||
},
|
||||
"function": {
|
||||
{`\)`, Operator, Pop(1)},
|
||||
{`\(`, Operator, Push()},
|
||||
Default(Pop(1)),
|
||||
},
|
||||
},
|
||||
))
|
||||
30
lexers/testdata/promql.actual
vendored
Normal file
30
lexers/testdata/promql.actual
vendored
Normal file
@ -0,0 +1,30 @@
|
||||
# A metric with label filtering
|
||||
go_gc_duration_seconds{instance="localhost:9090", job="alertmanager"}
|
||||
|
||||
# Aggregation operators
|
||||
sum by (app, proc) (
|
||||
instance_memory_limit_bytes - instance_memory_usage_bytes
|
||||
) / 1024 / 1024
|
||||
|
||||
# Metric with multiple lables and whitespaces
|
||||
go_gc_duration_seconds{ instance="localhost:9090", job="alertmanager" }
|
||||
|
||||
# Expression and comment
|
||||
go_gc_duration_seconds{instance="localhost:9090"} # single comment
|
||||
|
||||
# Delta function
|
||||
delta(cpu_temp_celsius{host="zeus"}[2h])
|
||||
|
||||
# Sum with arguments
|
||||
sum by (app, proc) (instance_memory_usage_bytes)
|
||||
|
||||
# Multi-line with offset
|
||||
label_replace(
|
||||
avg by(instance)
|
||||
(irate(node_cpu_seconds_total{mode = "idle"}[5m] offset 3s)
|
||||
) * 100,
|
||||
"device",
|
||||
"cpu",
|
||||
"instance",
|
||||
".*"
|
||||
)
|
||||
175
lexers/testdata/promql.expected
vendored
Normal file
175
lexers/testdata/promql.expected
vendored
Normal file
@ -0,0 +1,175 @@
|
||||
[
|
||||
{"type":"CommentSingle","value":"# A metric with label filtering"},
|
||||
{"type":"TextWhitespace","value":"\n"},
|
||||
{"type":"NameVariable","value":"go_gc_duration_seconds"},
|
||||
{"type":"Punctuation","value":"{"},
|
||||
{"type":"NameLabel","value":"instance"},
|
||||
{"type":"Operator","value":"="},
|
||||
{"type":"Punctuation","value":"\""},
|
||||
{"type":"LiteralString","value":"localhost:9090"},
|
||||
{"type":"Punctuation","value":"\","},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"NameLabel","value":"job"},
|
||||
{"type":"Operator","value":"="},
|
||||
{"type":"Punctuation","value":"\""},
|
||||
{"type":"LiteralString","value":"alertmanager"},
|
||||
{"type":"Punctuation","value":"\"}"},
|
||||
{"type":"TextWhitespace","value":"\n\n"},
|
||||
|
||||
{"type":"CommentSingle","value":"# Aggregation operators"},
|
||||
{"type":"TextWhitespace","value":"\n"},
|
||||
{"type":"Keyword","value":"sum"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Keyword","value":"by"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Operator","value":"("},
|
||||
{"type":"NameVariable","value":"app"},
|
||||
{"type":"Punctuation","value":","},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"NameVariable","value":"proc"},
|
||||
{"type":"Operator","value":")"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Operator","value":"("},
|
||||
{"type":"TextWhitespace","value":"\n "},
|
||||
{"type":"NameVariable","value":"instance_memory_limit_bytes"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Operator","value":"-"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"NameVariable","value":"instance_memory_usage_bytes"},
|
||||
{"type":"TextWhitespace","value":"\n"},
|
||||
{"type":"Operator","value":")"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Operator","value":"/"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"LiteralNumberInteger","value":"1024"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Operator","value":"/"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"LiteralNumberInteger","value":"1024"},
|
||||
{"type":"TextWhitespace","value":"\n\n"},
|
||||
|
||||
{"type":"CommentSingle","value":"# Metric with multiple lables and whitespaces"},
|
||||
{"type":"TextWhitespace","value":"\n"},
|
||||
{"type":"NameVariable","value":"go_gc_duration_seconds"},
|
||||
{"type":"Punctuation","value":"{"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"NameLabel","value":"instance"},
|
||||
{"type":"Operator","value":"="},
|
||||
{"type":"Punctuation","value":"\""},
|
||||
{"type":"LiteralString","value":"localhost:9090"},
|
||||
{"type":"Punctuation","value":"\","},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"NameLabel","value":"job"},
|
||||
{"type":"Operator","value":"="},
|
||||
{"type":"Punctuation","value":"\""},
|
||||
{"type":"LiteralString","value":"alertmanager"},
|
||||
{"type":"Punctuation","value":"\""},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Punctuation","value":"}"},
|
||||
{"type":"TextWhitespace","value":"\n\n"},
|
||||
|
||||
{"type":"CommentSingle","value":"# Expression and comment"},
|
||||
{"type":"TextWhitespace","value":"\n"},
|
||||
{"type":"NameVariable","value":"go_gc_duration_seconds"},
|
||||
{"type":"Punctuation","value":"{"},
|
||||
{"type":"NameLabel","value":"instance"},
|
||||
{"type":"Operator","value":"="},
|
||||
{"type":"Punctuation","value":"\""},
|
||||
{"type":"LiteralString","value":"localhost:9090"},
|
||||
{"type":"Punctuation","value":"\"}"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"CommentSingle","value":"# single comment"},
|
||||
{"type":"TextWhitespace","value":"\n\n"},
|
||||
|
||||
{"type":"CommentSingle","value":"# Delta function"},
|
||||
{"type":"TextWhitespace","value":"\n"},
|
||||
{"type":"KeywordReserved","value":"delta"},
|
||||
{"type":"Operator","value":"("},
|
||||
{"type":"NameVariable","value":"cpu_temp_celsius"},
|
||||
{"type":"Punctuation","value":"{"},
|
||||
{"type":"NameLabel","value":"host"},
|
||||
{"type":"Operator","value":"="},
|
||||
{"type":"Punctuation","value":"\""},
|
||||
{"type":"LiteralString","value":"zeus"},
|
||||
{"type":"Punctuation","value":"\"}["},
|
||||
{"type":"LiteralString","value":"2h"},
|
||||
{"type":"Punctuation","value":"]"},
|
||||
{"type":"Operator","value":")"},
|
||||
{"type":"TextWhitespace","value":"\n\n"},
|
||||
|
||||
{"type":"CommentSingle","value":"# Sum with arguments"},
|
||||
{"type":"TextWhitespace","value":"\n"},
|
||||
{"type":"Keyword","value":"sum"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Keyword","value":"by"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Operator","value":"("},
|
||||
{"type":"NameVariable","value":"app"},
|
||||
{"type":"Punctuation","value":","},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"NameVariable","value":"proc"},
|
||||
{"type":"Operator","value":")"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Operator","value":"("},
|
||||
{"type":"NameVariable","value":"instance_memory_usage_bytes"},
|
||||
{"type":"Operator","value":")"},
|
||||
{"type":"TextWhitespace","value":"\n\n"},
|
||||
|
||||
{"type":"CommentSingle","value":"# Multi-line with offset"},
|
||||
{"type":"TextWhitespace","value":"\n"},
|
||||
{"type":"KeywordReserved","value":"label_replace"},
|
||||
{"type":"Operator","value":"("},
|
||||
{"type":"TextWhitespace","value":"\n "},
|
||||
{"type":"Keyword","value":"avg"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Keyword","value":"by"},
|
||||
{"type":"Operator","value":"("},
|
||||
{"type":"NameVariable","value":"instance"},
|
||||
{"type":"Operator","value":")"},
|
||||
{"type":"TextWhitespace","value":"\n "},
|
||||
{"type":"Operator","value":"("},
|
||||
{"type":"KeywordReserved","value":"irate"},
|
||||
{"type":"Operator","value":"("},
|
||||
{"type":"NameVariable","value":"node_cpu_seconds_total"},
|
||||
{"type":"Punctuation","value":"{"},
|
||||
{"type":"NameLabel","value":"mode"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Operator","value":"="},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Punctuation","value":"\""},
|
||||
{"type":"LiteralString","value":"idle"},
|
||||
{"type":"Punctuation","value":"\"}["},
|
||||
{"type":"LiteralString","value":"5m"},
|
||||
{"type":"Punctuation","value":"]"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Keyword","value":"offset"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"LiteralString","value":"3s"},
|
||||
{"type":"Operator","value":")"},
|
||||
{"type":"TextWhitespace","value":"\n "},
|
||||
{"type":"Operator","value":")"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"Operator","value":"*"},
|
||||
{"type":"TextWhitespace","value":" "},
|
||||
{"type":"LiteralNumberInteger","value":"100"},
|
||||
{"type":"Punctuation","value":","},
|
||||
{"type":"TextWhitespace","value":"\n "},
|
||||
{"type":"Punctuation","value":"\""},
|
||||
{"type":"LiteralString","value":"device"},
|
||||
{"type":"Punctuation","value":"\","},
|
||||
{"type":"TextWhitespace","value":"\n "},
|
||||
{"type":"Punctuation","value":"\""},
|
||||
{"type":"LiteralString","value":"cpu"},
|
||||
{"type":"Punctuation","value":"\","},
|
||||
{"type":"TextWhitespace","value":"\n "},
|
||||
{"type":"Punctuation","value":"\""},
|
||||
{"type":"LiteralString","value":"instance"},
|
||||
{"type":"Punctuation","value":"\","},
|
||||
{"type":"TextWhitespace","value":"\n "},
|
||||
{"type":"Punctuation","value":"\""},
|
||||
{"type":"LiteralString","value":".*"},
|
||||
{"type":"Punctuation","value":"\""},
|
||||
{"type":"TextWhitespace","value":"\n"},
|
||||
{"type":"Operator","value":")"},
|
||||
{"type":"TextWhitespace","value":"\n"}
|
||||
]
|
||||
Loading…
x
Reference in New Issue
Block a user