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go/gcimporter15: update to match latest changes to cmd/compiler exporter

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Backport of https://go-review.googlesource.com/27814 changes to
bexport.go.

With this, the gcimporter15 is again up-to-date and in sync with both
the compiler's export code, and the compiler's and std lib gcimporter's
import code.

Change-Id: I8e229660eb78ddc1506b7b96a89c81ff083e0412
Reviewed-on: https://go-review.googlesource.com/27914
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
This commit is contained in:
Robert Griesemer 2016-08-26 13:44:43 -07:00
parent e545a4ce60
commit a832035fe5
1 changed files with 6 additions and 4 deletions
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10
go/gcimporter15/bexport.go
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@ -40,9 +40,8 @@ const debugFormat = false // default: false
// If trace is set, debugging output is printed to std out.
const trace = false // default: false
// Current export format version.
// Must not start with 'c' or 'd' (initials of prior format).
const exportVersion = "version 1"
// Current export format version. Increase with each format change.
const exportVersion = 1
// trackAllTypes enables cycle tracking for all types, not just named
// types. The existing compiler invariants assume that unnamed types
@ -86,7 +85,10 @@ func BExportData(fset *token.FileSet, pkg *types.Package) []byte {
}
// write version info
p.rawStringln(exportVersion)
// The version string must start with "version %d" where %d is the version
// number. Additional debugging information may follow after a blank; that
// text is ignored by the importer.
p.rawStringln(fmt.Sprintf("version %d", exportVersion))
var debug string
if debugFormat {
debug = "debug"