e.IntAt(e.Pos(), sourceFileOffsetPos+4*i)
		encodeFile(e, f)
	}
}

func encodeFile(e *encoder, f *rawFile) {
	e.String(f.error)
	e.String(f.parseError)
	e.String(f.synopsis)
	e.String(f.name)
	e.String(f.pkgName)
	e.Bool(f.ignoreFile)
	e.Bool(f.binaryOnly)
	e.String(f.cgoDirectives)
	e.String(f.goBuildConstraint)

	e.Int(len(f.plusBuildConstraints))
	for _, s := range f.plusBuildConstraints {
		e.String(s)
	}

			return pkg, arg[0:period], symbol, false
		}
		// See if we have the basename or tail of a package, as in json for encoding/json
		// or ivy/value for robpike.io/ivy/value.
		pkgName := arg[:period]
		for {
			path, ok := findNextPackage(pkgName)
			if !ok {
				break
			}
			if pkg, err = build.ImportDir(path, build.ImportComment); err == nil {
				return pkg, arg[0:period], symbol, true
			}
		}

//         StringSize uvarint
//         DataSize   uvarint
//     }
//
//     Strings [StringSize]byte
//     Data    [DataSize]byte
//
//     MainIndex []struct{
//         PkgPath   stringOff
//         PkgName   stringOff
//         PkgHeight uvarint
//
//         Decls []struct{
//             Name   stringOff
//             Offset declOff
//         }
//     }
//
//     Fingerprint [8]byte
//

			var pkgname string
			if pnSymIdx := d.ldr.Lookup(dwarf.CUInfoPrefix+"packagename."+unit.Lib.Pkg, 0); pnSymIdx != 0 {
				pnsData := d.ldr.Data(pnSymIdx)
				pkgname = string(pnsData)
			}
			newattr(unit.DWInfo, dwarf.DW_AT_go_package_name, dwarf.DW_CLS_STRING, int64(len(pkgname)), pkgname)

			// Scan all functions in this compilation unit, create

				*list = append(*list, name)
			}
			continue
		}

		pkg := tf.pkgName()
		if pkg == "documentation" {
			p.IgnoredGoFiles = append(p.IgnoredGoFiles, name)
			continue
		}
		isTest := strings.HasSuffix(name, "_test.go")
		isXTest := false
		if isTest && strings.HasSuffix(tf.pkgName(), "_test") && p.Name != tf.pkgName() {
			isXTest = true
			pkg = pkg[:len(pkg)-len("_test")]
		}

}

func (w walker) node(n Node) {
	if n == nil {
		panic("nil node")
	}

	w.v = w.v.Visit(n)
	if w.v == nil {
		return
	}

	switch n := n.(type) {
	// packages
	case *File:
		w.node(n.PkgName)
		w.declList(n.DeclList)

	// declarations
	case *ImportDecl:
		if n.LocalPkgName != nil {
			w.node(n.LocalPkgName)
		}
		w.node(n.Path)

	case *ConstDecl:
		w.nameList(n.NameList)

		c = ir.NewSelectorExpr(base.Pos, ir.ODOT, c, lname("data"))
		setField("name", c, i)

		// Set the name of package being compiled as a unique identifier of a module.
		// asanModulename = pkgName + "\000"
		init.Append(typecheck.Stmt(ir.NewAssignStmt(base.Pos, asanModulename, ir.NewString(base.Pos, types.LocalPkg.Name+"\000"))))
		c = tconv(typecheck.NodAddr(asanModulename), types.Types[types.TUNSAFEPTR])

	fmtTypeID
	fmtTypeIDName
)

// Sym

// Format implements formatting for a Sym.
// The valid formats are:
//
//	%v	Go syntax: Name for symbols in the local package, PkgName.Name for imported symbols.
//	%+v	Debug syntax: always include PkgName. prefix even for local names.
//	%S	Short syntax: Name only, no matter what.
func (s *Sym) Format(f fmt.State, verb rune) {
	mode := fmtGo
	switch verb {
	case 'v', 'S':

	incfg := filepath.Join(outdir, tag+"incfg.txt")
	outcfg := filepath.Join(outdir, "outcfg.txt")
	p := covcmd.CoverPkgConfig{
		PkgPath:      ppath,
		PkgName:      pname,
		Granularity:  gran,
		OutConfig:    outcfg,
		EmitMetaFile: mpath,
	}
	data, err := json.Marshal(p)
	if err != nil {
		t.Fatalf("json.Marshal failed: %v", err)
	}
	writeFile(t, incfg, data)

		}
	}
	return conf.Check(f.PkgName.Value, []*syntax.File{f}, info)
}

func mustTypecheck(src string, conf *Config, info *Info) *Package {
	pkg, err := typecheck(src, conf, info)
	if err != nil {
		panic(err) // so we don't need to pass *testing.T
	}
	return pkg
}

// pkgName extracts the package name from src, which must contain a package header.
func pkgName(src string) string {
	const kw = "package "