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cmd/gofmt: applying gofmt to partial code fails if it ends with line comment and no newline #8411

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dmitshur opened this issue Jul 22, 2014 · 5 comments
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@dmitshur
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@dmitshur dmitshur commented Jul 22, 2014

What does 'go version' print?
go version go1.3 darwin/amd64

What steps reproduce the problem?
If possible, include a link to a program on play.golang.org.

    $ echo -n "foo :=123    // Line comment" | gofmt

What happened?

    <standard input>:1:51: expected '}', found 'EOF'

What should have happened instead?

    foo := 123 // Comment

Please provide any additional information below.

Note that it works fine for block comments:

    $ echo -n "foo :=123    /* Block comment */" | gofmt
    foo := 123 /* Block comment */
@dmitshur
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@dmitshur dmitshur commented Jul 22, 2014

Comment 1:

There's a typo in the What should have happened instead? section and I can't seem to be
able to edit the original issue...
Instead of,
    foo := 123 // Comment
It should read,
    foo := 123 // Line comment
@ianlancetaylor
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@ianlancetaylor ianlancetaylor commented Jul 23, 2014

Comment 2:

Labels changed: added repo-tools, release-none.

@griesemer
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@griesemer griesemer commented Jul 23, 2014

Comment 3:

Owner changed to @griesemer.

Status changed to Accepted.

@gopherbot
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@gopherbot gopherbot commented Aug 21, 2014

Comment 4:

CL https://golang.org/cl/124700043 mentions this issue.
@griesemer
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@griesemer griesemer commented Aug 22, 2014

Comment 5:

This issue was closed by revision 9368d6c.

Status changed to Fixed.

@dmitshur dmitshur added fixed labels Aug 22, 2014
@golang golang locked and limited conversation to collaborators Jun 25, 2016
wheatman added a commit to wheatman/go-akaros that referenced this issue Jun 25, 2018
Fix issue by always appending newline after user input, before
the closing curly bracket. The adjust func is modified to remove
this new newline.

Add test case (it fails before CL, passes after).

Fixes golang#8411.

LGTM=gri
R=golang-codereviews, bradfitz, josharian, gri
CC=golang-codereviews
https://golang.org/cl/124700043
wheatman added a commit to wheatman/go-akaros that referenced this issue Jul 9, 2018
Fix issue by always appending newline after user input, before
the closing curly bracket. The adjust func is modified to remove
this new newline.

Add test case (it fails before CL, passes after).

Fixes golang#8411.

LGTM=gri
R=golang-codereviews, bradfitz, josharian, gri
CC=golang-codereviews
https://golang.org/cl/124700043
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