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Fix #808 #986

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merged 3 commits into from
May 10, 2024
Merged

Fix #808 #986

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ec97779
fix #808 by using the official regexp for directives
May 10, 2024
cea51ee
more precise regexp and testcases
May 10, 2024
18e4b6c
factors out the detection of directive comments to use it in other rules
May 10, 2024
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9 changes: 2 additions & 7 deletions rule/comment-spacings.go
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Original file line number Diff line number Diff line change
Expand Up @@ -20,12 +20,7 @@ func (r *CommentSpacingsRule) configure(arguments lint.Arguments) {
defer r.Unlock()

if r.allowList == nil {
r.allowList = []string{
"//go:",
"//revive:",
"//nolint:",
}

r.allowList = []string{}
for _, arg := range arguments {
allow, ok := arg.(string) // Alt. non panicking version
if !ok {
Expand Down Expand Up @@ -87,5 +82,5 @@ func (r *CommentSpacingsRule) isAllowed(line string) bool {
}
}

return false
return isDirectiveComment(line)
}
6 changes: 6 additions & 0 deletions rule/utils.go
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Expand Up @@ -165,3 +165,9 @@ func checkNumberOfArguments(expected int, args lint.Arguments, ruleName string)
panic(fmt.Sprintf("not enough arguments for %s rule, expected %d, got %d. Please check the rule's documentation", ruleName, expected, len(args)))
}
}

var directiveCommentRE = regexp.MustCompile("//(line |extern |export |[a-z0-9]+:[a-z0-9])") // see https://go-review.googlesource.com/c/website/+/442516/1..2/_content/doc/comment.md#494
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I wonder if it needs to be anchored (^); I did a quick try using the comment below, and it didn't flag that as invalid;

//this is a regular command that's incorrectly formatted //nolint:foobar // because one two three

(disclaimer: I only used the function directly, not in context of the whole code, so perhaps there's already some other code handling this)

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@ccoVeille ccoVeille May 11, 2024 •
edited
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I think you are right, that's why I raised the point

#986 (comment)

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It was fixed with #988

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Thanks!


func isDirectiveComment(line string) bool {
return directiveCommentRE.MatchString(line)
}
5 changes: 5 additions & 0 deletions testdata/comment-spacings.go
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Expand Up @@ -47,3 +47,8 @@ type c struct {
//+optional
d *int `json:"d,omitempty"`
}

//extern open
//export MyFunction

//nolint:gochecknoglobals
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