diff options
Diffstat (limited to 'src/internal/pkgbits/encoder.go')
| -rw-r--r-- | src/internal/pkgbits/encoder.go | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/src/internal/pkgbits/encoder.go b/src/internal/pkgbits/encoder.go index e52bc85014..a1489c88d0 100644 --- a/src/internal/pkgbits/encoder.go +++ b/src/internal/pkgbits/encoder.go @@ -15,20 +15,15 @@ import ( "strings" ) -// currentVersion is the current version number. -// -// - v0: initial prototype -// -// - v1: adds the flags uint32 word -// -// TODO(mdempsky): For the next version bump: -// - remove the legacy "has init" bool from the public root -// - remove obj's "derived func instance" bool -const currentVersion uint32 = 1 +// 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 { + // version of the bitstream. + version Version + // elems holds the bitstream for previously encoded elements. elems [numRelocs][]string @@ -54,6 +49,8 @@ func (pw *PkgEncoder) SyncMarkers() bool { return pw.syncFrames >= 0 } // negative, then sync markers are omitted entirely. func NewPkgEncoder(syncFrames int) PkgEncoder { return PkgEncoder{ + // TODO(taking): Change NewPkgEncoder to take a version as an argument, and remove currentVersion. + version: currentVersion, stringsIdx: make(map[string]Index), syncFrames: syncFrames, } @@ -69,7 +66,7 @@ func (pw *PkgEncoder) DumpTo(out0 io.Writer) (fingerprint [8]byte) { assert(binary.Write(out, binary.LittleEndian, x) == nil) } - writeUint32(currentVersion) + writeUint32(uint32(pw.version)) var flags uint32 if pw.SyncMarkers() { @@ -392,3 +389,6 @@ func (w *Encoder) bigFloat(v *big.Float) { b := v.Append(nil, 'p', -1) w.String(string(b)) // TODO: More efficient encoding. } + +// Version reports the version of the bitstream. +func (w *Encoder) Version() Version { return w.p.version } |