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path: root/src/internal/pkgbits/encoder.go
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Diffstat (limited to 'src/internal/pkgbits/encoder.go')
-rw-r--r--src/internal/pkgbits/encoder.go18
1 files changed, 8 insertions, 10 deletions
diff --git a/src/internal/pkgbits/encoder.go b/src/internal/pkgbits/encoder.go
index b632b58ca0..c17a12399d 100644
--- a/src/internal/pkgbits/encoder.go
+++ b/src/internal/pkgbits/encoder.go
@@ -15,9 +15,6 @@ import (
"strings"
)
-// currentVersion is the current version number written.
-const currentVersion = V1
-
// A PkgEncoder provides methods for encoding a package's Unified IR
// export data.
type PkgEncoder struct {
@@ -47,10 +44,9 @@ func (pw *PkgEncoder) SyncMarkers() bool { return pw.syncFrames >= 0 }
// export data files, but can help diagnosing desync errors in
// higher-level Unified IR reader/writer code. If syncFrames is
// negative, then sync markers are omitted entirely.
-func NewPkgEncoder(syncFrames int) PkgEncoder {
+func NewPkgEncoder(version Version, syncFrames int) PkgEncoder {
return PkgEncoder{
- // TODO(taking): Change NewPkgEncoder to take a version as an argument, and remove currentVersion.
- version: currentVersion,
+ version: version,
stringsIdx: make(map[string]Index),
syncFrames: syncFrames,
}
@@ -68,11 +64,13 @@ func (pw *PkgEncoder) DumpTo(out0 io.Writer) (fingerprint [8]byte) {
writeUint32(uint32(pw.version))
- var flags uint32
- if pw.SyncMarkers() {
- flags |= flagSyncMarkers
+ if pw.version.Has(Flags) {
+ var flags uint32
+ if pw.SyncMarkers() {
+ flags |= flagSyncMarkers
+ }
+ writeUint32(flags)
}
- writeUint32(flags)
// Write elemEndsEnds.
var sum uint32