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cmd/compile: convert externdecl to []*Node

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This one of a set of changes to make the transition away from NodeList
easier by removing cases in which NodeList doesn't act semi-trivially like a
[]*Node.

This CL was originally prepared by Josh Bleecher Snyder <josharian@gmail.com>.

This change passes go build -toolexec 'toolstash -cmp' -a std.

Change-Id: Ifd73501e06e8ea5efd028b6d473b3e5d1b07a5ac
Reviewed-on: https://go-review.googlesource.com/14570
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Dave Cheney 2015-09-10 15:57:39 +10:00
parent 1fd78e1f60
commit d5fe165ca0
6 changed files with 29 additions and 36 deletions
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39
src/cmd/compile/internal/gc/subr.go
View file

@ -1584,33 +1584,32 @@ func Ptrto(t *Type) *Type {
}
func frame(context int) {
var l *NodeList
if context != 0 {
fmt.Printf("--- external frame ---\n")
l = externdcl
} else if Curfn != nil {
fmt.Printf("--- %v frame ---\n", Curfn.Func.Nname.Sym)
l = Curfn.Func.Dcl
} else {
for _, n := range externdcl {
printframenode(n)
}
return
}
var n *Node
var w int64
for ; l != nil; l = l.Next {
n = l.N
w = -1
if n.Type != nil {
w = n.Type.Width
if Curfn != nil {
fmt.Printf("--- %v frame ---\n", Curfn.Func.Nname.Sym)
for l := Curfn.Func.Dcl; l != nil; l = l.Next {
printframenode(l.N)
}
switch n.Op {
case ONAME:
fmt.Printf("%v %v G%d %v width=%d\n", Oconv(int(n.Op), 0), n.Sym, n.Name.Vargen, n.Type, w)
}
}
case OTYPE:
fmt.Printf("%v %v width=%d\n", Oconv(int(n.Op), 0), n.Type, w)
}
func printframenode(n *Node) {
w := int64(-1)
if n.Type != nil {
w = n.Type.Width
}
switch n.Op {
case ONAME:
fmt.Printf("%v %v G%d %v width=%d\n", Oconv(int(n.Op), 0), n.Sym, n.Name.Vargen, n.Type, w)
case OTYPE:
fmt.Printf("%v %v width=%d\n", Oconv(int(n.Op), 0), n.Type, w)
}
}