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Fix PromQL lexer to support values enclosed within single quotes

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Values for labels could now be enclosed within single or double quotes.
This commit is contained in:
Pablo Seminario 2021-04-24 21:33:58 +02:00 committed by Alec Thomas
parent d11bdacff4
commit b790655195
3 changed files with 19 additions and 1 deletions
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2
lexers/p/promql.go
View File

@ -44,7 +44,7 @@ func promqlRules() Rules {
{`\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},
{`([_a-zA-Z][a-zA-Z0-9_]*?)(\s*?)(=~|!=|=|~!)(\s*?)("|')(.*?)("|')`, ByGroups(NameLabel, TextWhitespace, Operator, TextWhitespace, Punctuation, LiteralString, Punctuation), nil},
},
"range": {
{`\]`, Punctuation, Pop(1)},

3
lexers/testdata/promql.actual vendored
View File

@ -28,3 +28,6 @@ label_replace(
"instance",
".*"
)
# Values for labels enclosed within single quotes
metric_test_app{app='turtle',proc='web'}

15
lexers/testdata/promql.expected vendored
View File

@ -165,5 +165,20 @@
{"type":"Punctuation","value":"\""},
{"type":"TextWhitespace","value":"\n"},
{"type":"Operator","value":")"},
{"type":"TextWhitespace","value":"\n\n"},
{"type":"CommentSingle","value":"# Values for labels enclosed within single quotes"},
{"type":"TextWhitespace","value":"\n"},
{"type":"NameVariable","value":"metric_test_app"},
{"type":"Punctuation","value":"{"},
{"type":"NameLabel","value":"app"},
{"type":"Operator","value":"="},
{"type":"Punctuation","value":"'"},
{"type":"LiteralString","value":"turtle"},
{"type":"Punctuation","value":"',"},
{"type":"NameLabel","value":"proc"},
{"type":"Operator","value":"="},
{"type":"Punctuation","value":"'"},
{"type":"LiteralString","value":"web"},
{"type":"Punctuation","value":"'}"},
{"type":"TextWhitespace","value":"\n"}
]