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cmd/godex: handle printing of type aliases

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Also: remove go1.5 build tags (x/tools requires Go 1.6 or higher).

For golang/go#18130.

Change-Id: I3d9deee9e87d8794b2884281c0bb53caa5ed6221
Reviewed-on: https://go-review.googlesource.com/35106
Reviewed-by: Alan Donovan <adonovan@google.com>
This commit is contained in:
Robert Griesemer 2016-12-22 14:50:28 -08:00
parent de557280a1
commit 0d047c8d5a
8 changed files with 33 additions and 13 deletions
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2
cmd/godex/gc.go
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@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.5
// This file implements access to gc-generated export data.
package main

2
cmd/godex/gccgo.go
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@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.5
// This file implements access to gccgo-generated export data.
package main

2
cmd/godex/godex.go
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@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.5
package main
import (

13
cmd/godex/isAlias18.go Normal file
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@ -0,0 +1,13 @@
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.9
package main
import "go/types"
func isAlias(obj *types.TypeName) bool {
return false // there are no type aliases before Go 1.9
}

13
cmd/godex/isAlias19.go Normal file
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@ -0,0 +1,13 @@
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.9
package main
import "go/types"
func isAlias(obj *types.TypeName) bool {
return obj.IsAlias()
}

10
cmd/godex/print.go
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@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.5
package main
import (
@ -143,7 +141,13 @@ func (p *printer) printPackage(pkg *types.Package, filter func(types.Object) boo
p.printDecl("type", len(typez), func() {
for _, obj := range typez {
p.printf("%s ", obj.Name())
p.writeType(p.pkg, obj.Type().Underlying())
typ := obj.Type()
if isAlias(obj) {
p.print("= ")
p.writeType(p.pkg, typ)
} else {
p.writeType(p.pkg, typ.Underlying())
}
p.print("\n")
}
})

2
cmd/godex/source.go
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@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.5
// This file implements access to export data from source.
package main

2
cmd/godex/writetype.go
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@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.5
// This file implements writing of types. The functionality is lifted
// directly from go/types, but now contains various modifications for
// nicer output.