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Kirill Smelkov
go
Commits
44fd7573
Commit
44fd7573
authored
Mar 03, 2011
by
Russ Cox
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Plain Diff
gc, ld: reflect support for PtrTo
R=ken2 CC=golang-dev
https://golang.org/cl/4245055
parent
2d404c4b
Changes
2
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Showing
2 changed files
with
32 additions
and
2 deletions
+32
-2
src/cmd/gc/reflect.c
src/cmd/gc/reflect.c
+29
-1
src/cmd/ld/go.c
src/cmd/ld/go.c
+3
-1
No files found.
src/cmd/gc/reflect.c
View file @
44fd7573
...
...
@@ -10,6 +10,7 @@
static
NodeList
*
signatlist
;
static
Sym
*
dtypesym
(
Type
*
);
static
Sym
*
weaktypesym
(
Type
*
);
static
int
sigcmp
(
Sig
*
a
,
Sig
*
b
)
...
...
@@ -570,9 +571,17 @@ dcommontype(Sym *s, int ot, Type *t)
{
int
i
;
Sym
*
s1
;
Sym
*
sptr
;
char
*
p
;
dowidth
(
t
);
sptr
=
nil
;
if
(
t
->
sym
!=
nil
&&
!
isptr
[
t
->
etype
])
sptr
=
dtypesym
(
ptrto
(
t
));
else
sptr
=
weaktypesym
(
ptrto
(
t
));
s1
=
dextratype
(
t
);
// empty interface pointing at this type.
...
...
@@ -617,7 +626,7 @@ dcommontype(Sym *s, int ot, Type *t)
ot
=
dsymptr
(
s
,
ot
,
s1
,
0
);
// extraType
else
ot
=
duintptr
(
s
,
ot
,
0
);
ot
=
d
uintptr
(
s
,
ot
,
0
);
// ptr type (placeholder for now)
ot
=
d
symptr
(
s
,
ot
,
sptr
,
0
);
// ptr to type
return
ot
;
}
...
...
@@ -662,6 +671,25 @@ typename(Type *t)
return
n
;
}
static
Sym
*
weaktypesym
(
Type
*
t
)
{
char
*
p
;
Sym
*
s
;
static
Pkg
*
weak
;
if
(
weak
==
nil
)
{
weak
=
mkpkg
(
strlit
(
"weak.type"
));
weak
->
name
=
"weak.type"
;
weak
->
prefix
=
"weak.type"
;
// not weak%2etype
}
p
=
smprint
(
"%#-T"
,
t
);
s
=
pkglookup
(
p
,
weak
);
free
(
p
);
return
s
;
}
static
Sym
*
dtypesym
(
Type
*
t
)
{
...
...
src/cmd/ld/go.c
View file @
44fd7573
...
...
@@ -680,8 +680,10 @@ doweak(void)
if
(
t
->
type
!=
0
&&
t
->
reachable
)
{
s
->
value
=
t
->
value
;
s
->
type
=
t
->
type
;
}
else
}
else
{
s
->
type
=
SCONST
;
s
->
value
=
0
;
}
continue
;
}
}
...
...
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