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59 lines
2.0 KiB
Markdown
59 lines
2.0 KiB
Markdown
# An extensible linter for Thrift [](http://godoc.org/github.com/UrbanCompass/thriftlint)
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This is an extensible linter for [Thrift](https://thrift.apache.org/). It
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includes a set of common lint checks, but allows for both customisation of those
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checks, and creation of new ones by implementing the
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[Check](https://godoc.org/github.com/UrbanCompass/thriftlint#Check) interface.
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For an example of how to build your own linter utility, please refer to the
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[thrift-lint source](https://github.com/UrbanCompass/thriftlint/tree/master/cmd/thrift-lint).
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## Example checker
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Here is an example of a checker utilising the `MakeCheck()` convenience
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function to ensure that fields are present in the file in the same order as
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their field numbers:
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```go
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func CheckStructFieldOrder() thriftlint.Check {
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return thriftlint.MakeCheck("field.order", func(s *parser.Struct) (messages thriftlint.Messages) {
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fields := sortedFields(s.Fields)
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sort.Sort(fields)
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for i := 0; i < len(fields)-1; i++ {
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a := fields[i]
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b := fields[i+1]
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if a.Pos.Line > b.Pos.Line {
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messages.Warning(fields[i], "field %d and %d are out of order", a.ID, b.ID)
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}
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}
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return
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})
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}
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```
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## thrift-lint tool
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A binary is included that can be used to perform basic linting with the builtin checks:
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```
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$ go get github.com/UrbanCompass/thriftlint/cmd/thrift-lint
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$ thrift-lint --help
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usage: thrift-lint [<flags>] <sources>...
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A linter for Thrift.
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For details, please refer to https://github.com/UrbanCompass/thriftlint
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Flags:
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--help Show context-sensitive help (also try --help-long
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and --help-man).
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-I, --include=DIR ... Include directories to search.
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--debug Enable debug logging.
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--disable=LINTER ... Linters to disable.
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--list List linter checks.
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--errors Only show errors.
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Args:
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<sources> Thrift sources to lint.
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```
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