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cmd/compile: add typChan

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Passes toolstash -cmp.

Change-Id: I2c71882f957c44047c7ac83c78236dcc3dfa15a1
Reviewed-on: https://go-review.googlesource.com/21304
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
This commit is contained in:
Josh Bleecher Snyder 2016-03-29 10:00:54 -07:00
parent 331f962508
commit 09c672d50a
3 changed files with 13 additions and 16 deletions
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16
src/cmd/compile/internal/gc/parser.go
View File

@ -3050,9 +3050,7 @@ func (p *parser) hidden_type_misc() *Type {
default:
// LCHAN hidden_type_non_recv_chan
s2 := p.hidden_type_non_recv_chan()
ss := typ(TCHAN)
ss.Type = s2
ss.Chan = Cboth
ss := typeChan(s2, Cboth)
return ss
case '(':
@ -3060,18 +3058,14 @@ func (p *parser) hidden_type_misc() *Type {
p.next()
s3 := p.hidden_type_recv_chan()
p.want(')')
ss := typ(TCHAN)
ss.Type = s3
ss.Chan = Cboth
ss := typeChan(s3, Cboth)
return ss
case LCOMM:
// LCHAN hidden_type
p.next()
s3 := p.hidden_type()
ss := typ(TCHAN)
ss.Type = s3
ss.Chan = Csend
ss := typeChan(s3, Csend)
return ss
}
@ -3090,9 +3084,7 @@ func (p *parser) hidden_type_recv_chan() *Type {
p.want(LCHAN)
s3 := p.hidden_type()
ss := typ(TCHAN)
ss.Type = s3
ss.Chan = Crecv
ss := typeChan(s3, Crecv)
return ss
}

8
src/cmd/compile/internal/gc/type.go
View File

@ -259,6 +259,14 @@ func typeDDDArray(elem *Type) *Type {
return t
}
// typeChan returns a new chan Type with direction dir.
func typeChan(elem *Type, dir uint8) *Type {
t := typ(TCHAN)
t.Type = elem
t.Chan = dir
return t
}
func newField() *Field {
return &Field{
Offset: BADWIDTH,

5
src/cmd/compile/internal/gc/typecheck.go
View File

@ -413,10 +413,7 @@ OpSwitch:
n.Type = nil
return n
}
t := typ(TCHAN)
t.Type = l.Type
// TODO(marvin): Fix Node.EType type union.
t.Chan = uint8(n.Etype)
t := typeChan(l.Type, uint8(n.Etype)) // TODO(marvin): Fix Node.EType type union.
n.Op = OTYPE
n.Type = t
n.Left = nil