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 | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/vendor/golang.org/x/tools/internal/pkgbits/sync.go b/vendor/golang.org/x/tools/internal/pkgbits/sync.go deleted file mode 100644 index 1520b73af..000000000 --- a/vendor/golang.org/x/tools/internal/pkgbits/sync.go +++ /dev/null @@ -1,136 +0,0 @@ -// Copyright 2021 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package pkgbits - -import ( - "fmt" - "runtime" - "strings" -) - -// fmtFrames formats a backtrace for reporting reader/writer desyncs. -func fmtFrames(pcs ...uintptr) []string { - res := make([]string, 0, len(pcs)) - walkFrames(pcs, func(file string, line int, name string, offset uintptr) { - // Trim package from function name. It's just redundant noise. - name = strings.TrimPrefix(name, "cmd/compile/internal/noder.") - - res = append(res, fmt.Sprintf("%s:%v: %s +0x%v", file, line, name, offset)) - }) - return res -} - -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. -type SyncMarker int - -//go:generate stringer -type=SyncMarker -trimprefix=Sync - -const ( - _ SyncMarker = iota - - // Public markers (known to go/types importers). - - // Low-level coding markers. - SyncEOF - SyncBool - SyncInt64 - SyncUint64 - SyncString - SyncValue - SyncVal - SyncRelocs - SyncReloc - SyncUseReloc - - // Higher-level object and type markers. - SyncPublic - SyncPos - SyncPosBase - SyncObject - SyncObject1 - SyncPkg - SyncPkgDef - SyncMethod - SyncType - SyncTypeIdx - SyncTypeParamNames - SyncSignature - SyncParams - SyncParam - SyncCodeObj - SyncSym - SyncLocalIdent - SyncSelector - - // Private markers (only known to cmd/compile). - SyncPrivate - - SyncFuncExt - SyncVarExt - SyncTypeExt - SyncPragma - - SyncExprList - SyncExprs - SyncExpr - SyncExprType - SyncAssign - SyncOp - SyncFuncLit - SyncCompLit - - SyncDecl - SyncFuncBody - SyncOpenScope - SyncCloseScope - SyncCloseAnotherScope - SyncDeclNames - SyncDeclName - - SyncStmts - SyncBlockStmt - SyncIfStmt - SyncForStmt - SyncSwitchStmt - SyncRangeStmt - SyncCaseClause - SyncCommClause - SyncSelectStmt - SyncDecls - SyncLabeledStmt - SyncUseObjLocal - SyncAddLocal - SyncLinkname - SyncStmt1 - SyncStmtsEnd - SyncLabel - SyncOptLabel - - SyncMultiExpr - SyncRType - SyncConvRTTI -) |