diff options
Diffstat (limited to 'vendor/golang.org/x/tools/internal/pkgbits/sync.go')
| -rw-r--r-- | vendor/golang.org/x/tools/internal/pkgbits/sync.go | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/vendor/golang.org/x/tools/internal/pkgbits/sync.go b/vendor/golang.org/x/tools/internal/pkgbits/sync.go index 5bd51ef71..1520b73af 100644 --- a/vendor/golang.org/x/tools/internal/pkgbits/sync.go +++ b/vendor/golang.org/x/tools/internal/pkgbits/sync.go @@ -6,6 +6,7 @@ package pkgbits import ( "fmt" + "runtime" "strings" ) @@ -23,6 +24,24 @@ func fmtFrames(pcs ...uintptr) []string { type frameVisitor func(file string, line int, name string, offset uintptr) +// walkFrames calls visit for each call frame represented by pcs. +// +// pcs should be a slice of PCs, as returned by runtime.Callers. +func walkFrames(pcs []uintptr, visit frameVisitor) { + if len(pcs) == 0 { + return + } + + frames := runtime.CallersFrames(pcs) + for { + frame, more := frames.Next() + visit(frame.File, frame.Line, frame.Function, frame.PC-frame.Entry) + if !more { + return + } + } +} + // SyncMarker is an enum type that represents markers that may be // written to export data to ensure the reader and writer stay // synchronized. @@ -110,4 +129,8 @@ const ( SyncStmtsEnd SyncLabel SyncOptLabel + + SyncMultiExpr + SyncRType + SyncConvRTTI ) |