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[dev.regabi] cmd/compile: allow visitor visits *ir.Name

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So future CLs can refactor ir.Node to *ir.Name when possible.

Passes toolstash -cmp.

Change-Id: I91ae38417ba10de207ed84b65d1d69cf64f24456
Reviewed-on: https://go-review.googlesource.com/c/go/+/279448
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
This commit is contained in:
Cuong Manh Le 2020-12-30 00:18:35 +07:00
parent 5cf3c87fa6
commit 37babc97bb
2 changed files with 46 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/cmd/compile/internal/ir/mknode.go
View File

@ -35,6 +35,7 @@ func main() {
}
nodeType := lookup("Node")
ptrNameType := types.NewPointer(lookup("Name"))
ntypeType := lookup("Ntype")
nodesType := lookup("Nodes")
slicePtrCaseClauseType := types.NewSlice(types.NewPointer(lookup("CaseClause")))
@ -94,7 +95,7 @@ func main() {
fmt.Fprintf(&buf, "func (n *%s) doChildren(do func(Node) error) error { var err error\n", name)
forNodeFields(typName, typ, func(name string, is func(types.Type) bool) {
switch {
case is(ptrIdentType):
case is(ptrIdentType), is(ptrNameType):
fmt.Fprintf(&buf, "if n.%s != nil { err = maybeDo(n.%s, err, do) }\n", name, name)
case is(nodeType), is(ntypeType):
fmt.Fprintf(&buf, "err = maybeDo(n.%s, err, do)\n", name)
@ -117,6 +118,8 @@ func main() {
switch {
case is(ptrIdentType):
fmt.Fprintf(&buf, "if n.%s != nil { n.%s = edit(n.%s).(*Ident) }\n", name, name, name)
case is(ptrNameType):
fmt.Fprintf(&buf, "if n.%s != nil { n.%s = edit(n.%s).(*Name) }\n", name, name, name)
case is(nodeType):
fmt.Fprintf(&buf, "n.%s = maybeEdit(n.%s, edit)\n", name, name)
case is(ntypeType):

42
src/cmd/compile/internal/ir/node_gen.go
View File

@ -15,11 +15,17 @@ func (n *AddStringExpr) doChildren(do func(Node) error) error {
var err error
err = maybeDoList(n.init, err, do)
err = maybeDoList(n.List, err, do)
if n.Prealloc != nil {
err = maybeDo(n.Prealloc, err, do)
}
return err
}
func (n *AddStringExpr) editChildren(edit func(Node) Node) {
editList(n.init, edit)
editList(n.List, edit)
if n.Prealloc != nil {
n.Prealloc = edit(n.Prealloc).(*Name)
}
}
func (n *AddrExpr) Format(s fmt.State, verb rune) { FmtNode(n, s, verb) }
@ -32,11 +38,17 @@ func (n *AddrExpr) doChildren(do func(Node) error) error {
var err error
err = maybeDoList(n.init, err, do)
err = maybeDo(n.X, err, do)
if n.Alloc != nil {
err = maybeDo(n.Alloc, err, do)
}
return err
}
func (n *AddrExpr) editChildren(edit func(Node) Node) {
editList(n.init, edit)
n.X = maybeEdit(n.X, edit)
if n.Alloc != nil {
n.Alloc = edit(n.Alloc).(*Name)
}
}
func (n *ArrayType) Format(s fmt.State, verb rune) { FmtNode(n, s, verb) }
@ -253,10 +265,16 @@ func (n *ClosureExpr) copy() Node {
func (n *ClosureExpr) doChildren(do func(Node) error) error {
var err error
err = maybeDoList(n.init, err, do)
if n.Prealloc != nil {
err = maybeDo(n.Prealloc, err, do)
}
return err
}
func (n *ClosureExpr) editChildren(edit func(Node) Node) {
editList(n.init, edit)
if n.Prealloc != nil {
n.Prealloc = edit(n.Prealloc).(*Name)
}
}
func (n *ClosureReadExpr) Format(s fmt.State, verb rune) { FmtNode(n, s, verb) }
@ -306,12 +324,18 @@ func (n *CompLitExpr) doChildren(do func(Node) error) error {
err = maybeDoList(n.init, err, do)
err = maybeDo(n.Ntype, err, do)
err = maybeDoList(n.List, err, do)
if n.Prealloc != nil {
err = maybeDo(n.Prealloc, err, do)
}
return err
}
func (n *CompLitExpr) editChildren(edit func(Node) Node) {
editList(n.init, edit)
n.Ntype = toNtype(maybeEdit(n.Ntype, edit))
editList(n.List, edit)
if n.Prealloc != nil {
n.Prealloc = edit(n.Prealloc).(*Name)
}
}
func (n *ConstExpr) Format(s fmt.State, verb rune) { FmtNode(n, s, verb) }
@ -654,10 +678,16 @@ func (n *NameOffsetExpr) copy() Node {
func (n *NameOffsetExpr) doChildren(do func(Node) error) error {
var err error
err = maybeDoList(n.init, err, do)
if n.Name_ != nil {
err = maybeDo(n.Name_, err, do)
}
return err
}
func (n *NameOffsetExpr) editChildren(edit func(Node) Node) {
editList(n.init, edit)
if n.Name_ != nil {
n.Name_ = edit(n.Name_).(*Name)
}
}
func (n *NilExpr) Format(s fmt.State, verb rune) { FmtNode(n, s, verb) }
@ -718,6 +748,9 @@ func (n *RangeStmt) doChildren(do func(Node) error) error {
err = maybeDo(n.Key, err, do)
err = maybeDo(n.Value, err, do)
err = maybeDoList(n.Body, err, do)
if n.Prealloc != nil {
err = maybeDo(n.Prealloc, err, do)
}
return err
}
func (n *RangeStmt) editChildren(edit func(Node) Node) {
@ -726,6 +759,9 @@ func (n *RangeStmt) editChildren(edit func(Node) Node) {
n.Key = maybeEdit(n.Key, edit)
n.Value = maybeEdit(n.Value, edit)
editList(n.Body, edit)
if n.Prealloc != nil {
n.Prealloc = edit(n.Prealloc).(*Name)
}
}
func (n *ResultExpr) Format(s fmt.State, verb rune) { FmtNode(n, s, verb) }
@ -792,11 +828,17 @@ func (n *SelectorExpr) doChildren(do func(Node) error) error {
var err error
err = maybeDoList(n.init, err, do)
err = maybeDo(n.X, err, do)
if n.Prealloc != nil {
err = maybeDo(n.Prealloc, err, do)
}
return err
}
func (n *SelectorExpr) editChildren(edit func(Node) Node) {
editList(n.init, edit)
n.X = maybeEdit(n.X, edit)
if n.Prealloc != nil {
n.Prealloc = edit(n.Prealloc).(*Name)
}
}
func (n *SendStmt) Format(s fmt.State, verb rune) { FmtNode(n, s, verb) }