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go/ast: remove many blank lines in SortImports

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Currently only one blank line is checked to be removed.
Changing sort.Sort may lead to more blank lines.
Let's remove them all.

It fixes a bug found by https://golang.org/cl/15688

Change-Id: I682cc23ecd7b10d9b6feb160da040a155297f578
Reviewed-on: https://go-review.googlesource.com/17440
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
This commit is contained in:
Sokolov Yura 2015-12-04 20:54:24 +03:00 committed by Russ Cox
parent a8d9c3103d
commit 43a9e998d2
1 changed files with 4 additions and 2 deletions
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6
src/go/ast/import.go
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@ -43,8 +43,10 @@ func SortImports(fset *token.FileSet, f *File) {
if len(d.Specs) > 0 {
lastSpec := d.Specs[len(d.Specs)-1]
lastLine := fset.Position(lastSpec.Pos()).Line
if rParenLine := fset.Position(d.Rparen).Line; rParenLine > lastLine+1 {
fset.File(d.Rparen).MergeLine(rParenLine - 1)
rParenLine := fset.Position(d.Rparen).Line
for rParenLine > lastLine+1 {
rParenLine--
fset.File(d.Rparen).MergeLine(rParenLine)
}
}
}