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[dev.regabi] cmd/compile: implement doChildren for nodes

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Put each node in charge of its DoChildren implementation.
This removes a generic use of Left, Right, and so on
in func DoChildren, heading toward removing those even from
being used in package ir.

Passes buildall w/ toolstash -cmp.

Change-Id: Ibdf56f36801217cf24549e063da0078c1820a56b
Reviewed-on: https://go-review.googlesource.com/c/go/+/275375
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
This commit is contained in:
Russ Cox 2020-12-03 21:02:19 -05:00
parent 18f2df7e81
commit 4725c3ffd1
8 changed files with 419 additions and 67 deletions
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22
src/cmd/compile/internal/ir/func.go
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@ -118,14 +118,20 @@ func NewFunc(pos src.XPos) *Func {
func (f *Func) String() string { return fmt.Sprint(f) }
func (f *Func) Format(s fmt.State, verb rune) { FmtNode(f, s, verb) }
func (f *Func) copy() Node { panic(f.no("copy")) }
func (f *Func) Func() *Func { return f }
func (f *Func) Body() Nodes { return f.body }
func (f *Func) PtrBody() *Nodes { return &f.body }
func (f *Func) SetBody(x Nodes) { f.body = x }
func (f *Func) Type() *types.Type { return f.typ }
func (f *Func) SetType(x *types.Type) { f.typ = x }
func (f *Func) Iota() int64 { return f.iota }
func (f *Func) SetIota(x int64) { f.iota = x }
func (f *Func) doChildren(do func(Node) error) error {
var err error
err = maybeDoList(f.body, err, do)
return err
}
func (f *Func) Func() *Func { return f }
func (f *Func) Body() Nodes { return f.body }
func (f *Func) PtrBody() *Nodes { return &f.body }
func (f *Func) SetBody(x Nodes) { f.body = x }
func (f *Func) Type() *types.Type { return f.typ }
func (f *Func) SetType(x *types.Type) { f.typ = x }
func (f *Func) Iota() int64 { return f.iota }
func (f *Func) SetIota(x int64) { f.iota = x }
func (f *Func) Sym() *types.Sym {
if f.Nname != nil {