diff options
Diffstat (limited to 'src/runtime/type.go')
| -rw-r--r-- | src/runtime/type.go | 46 |
1 files changed, 32 insertions, 14 deletions
diff --git a/src/runtime/type.go b/src/runtime/type.go index 31f7ff81b8..0b28fa6d43 100644 --- a/src/runtime/type.go +++ b/src/runtime/type.go @@ -8,10 +8,18 @@ package runtime import "unsafe" -// tflag is documented in ../reflect/type.go. +// tflag is documented in reflect/type.go. +// +// tflag values must be kept in sync with copies in: +// cmd/compile/internal/gc/reflect.go +// cmd/link/internal/ld/decodesym.go +// reflect/type.go type tflag uint8 -const tflagUncommon tflag = 1 +const ( + tflagUncommon tflag = 1 << 0 + tflagExtraStar tflag = 1 << 1 +) // Needs to be in sync with ../cmd/compile/internal/ld/decodesym.go:/^func.commonsize, // ../cmd/compile/internal/gc/reflect.go:/^func.dcommontype and @@ -28,8 +36,17 @@ type _type struct { // gcdata stores the GC type data for the garbage collector. // If the KindGCProg bit is set in kind, gcdata is a GC program. // Otherwise it is a ptrmask bitmap. See mbitmap.go for details. - gcdata *byte - _string string + gcdata *byte + str nameOff + _ int32 +} + +func (t *_type) string() string { + s := t.nameOff(t.str).name() + if t.tflag&tflagExtraStar != 0 { + return s[1:] + } + return s } func (t *_type) uncommon() *uncommontype { @@ -99,33 +116,34 @@ func hasPrefix(s, prefix string) bool { } func (t *_type) name() string { - if hasPrefix(t._string, "map[") { + s := t.string() + if hasPrefix(s, "map[") { return "" } - if hasPrefix(t._string, "struct {") { + if hasPrefix(s, "struct {") { return "" } - if hasPrefix(t._string, "chan ") { + if hasPrefix(s, "chan ") { return "" } - if hasPrefix(t._string, "chan<-") { + if hasPrefix(s, "chan<-") { return "" } - if hasPrefix(t._string, "func(") { + if hasPrefix(s, "func(") { return "" } - switch t._string[0] { + switch s[0] { case '[', '*', '<': return "" } - i := len(t._string) - 1 + i := len(s) - 1 for i >= 0 { - if t._string[i] == '.' { + if s[i] == '.' { break } i-- } - return t._string[i+1:] + return s[i+1:] } // reflectOffs holds type offsets defined at run time by the reflect package. @@ -497,7 +515,7 @@ func typesEqual(t, v *_type) bool { if kind != v.kind&kindMask { return false } - if t._string != v._string { + if t.string() != v.string() { return false } ut := t.uncommon() |
