qbit/go
1
0
Fork 0
mirror of https://github.com/golang/go synced 2024-11-11 19:41:36 -07:00
Code Releases Activity

[dev.regabi] cmd/compile: tighten typecheckdef to *ir.Name

Browse Source 
We only actually care about ir.Names in typecheckdef, so don't bother
calling it on anything else. Allows us to get rid of some more
superfluous .Name() calls and .(*ir.Name) assertions.

Passes toolstash -cmp.

Change-Id: I78c7cb680178991ea185958b47a36f101d4d5ef7
Reviewed-on: https://go-review.googlesource.com/c/go/+/281004
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
This commit is contained in:
Matthew Dempsky 2021-01-02 03:15:14 -08:00
parent b1747756e3
commit 57c426c9a5
1 changed files with 10 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
src/cmd/compile/internal/typecheck/typecheck.go
View File

@ -474,12 +474,9 @@ func indexlit(n ir.Node) ir.Node {
// typecheck1 should ONLY be called from typecheck.
func typecheck1(n ir.Node, top int) ir.Node {
switch n.Op() {
case ir.OLITERAL, ir.ONAME, ir.OTYPE:
if n.Sym() != nil {
if n, ok := n.(*ir.Name); ok {
typecheckdef(n)
}
}
switch n.Op() {
default:
@ -1735,7 +1732,7 @@ func typecheckdeftype(n *ir.Name) {
types.ResumeCheckSize()
}
func typecheckdef(n ir.Node) {
func typecheckdef(n *ir.Name) {
if base.EnableTrace && base.Flag.LowerT {
defer tracePrint("typecheckdef", n)(nil)
}
@ -1755,7 +1752,7 @@ func typecheckdef(n ir.Node) {
}
lno := ir.SetPos(n)
typecheckdefstack = append(typecheckdefstack, n.(*ir.Name))
typecheckdefstack = append(typecheckdefstack, n)
if n.Walkdef() == 2 {
base.FlushErrors()
fmt.Printf("typecheckdef loop:")
@ -1774,18 +1771,18 @@ func typecheckdef(n ir.Node) {
base.Fatalf("typecheckdef %v", n.Op())
case ir.OLITERAL:
if n.Name().Ntype != nil {
n.Name().Ntype = typecheckNtype(n.Name().Ntype)
n.SetType(n.Name().Ntype.Type())
n.Name().Ntype = nil
if n.Ntype != nil {
n.Ntype = typecheckNtype(n.Ntype)
n.SetType(n.Ntype.Type())
n.Ntype = nil
if n.Type() == nil {
n.SetDiag(true)
goto ret
}
}
e := n.Name().Defn
n.Name().Defn = nil
e := n.Defn
n.Defn = nil
if e == nil {
ir.Dump("typecheckdef nil defn", n)
base.ErrorfAt(n.Pos(), "xxx")
@ -1828,7 +1825,6 @@ func typecheckdef(n ir.Node) {
}
case ir.ONAME:
n := n.(*ir.Name)
if n.Ntype != nil {
n.Ntype = typecheckNtype(n.Ntype)
n.SetType(n.Ntype.Type())
@ -1865,7 +1861,6 @@ func typecheckdef(n ir.Node) {
n.Defn = Stmt(n.Defn) // fills in n.Type
case ir.OTYPE:
n := n.(*ir.Name)
if n.Alias() {
// Type alias declaration: Simply use the rhs type - no need
// to create a new type.