continue
		} else if info == nil {
			p.sourceFiles = append(p.sourceFiles, &rawFile{name: name, ignoreFile: true})
			continue
		}
		rf := &rawFile{
			name:                 name,
			goBuildConstraint:    info.goBuildConstraint,
			plusBuildConstraints: info.plusBuildConstraints,
			binaryOnly:           info.binaryOnly,
			directives:           info.directives,
		}
		if info.parsed != nil {

			}
		}

		var shouldBuild = true
		if !ctxt.goodOSArchFile(name, allTags) && !ctxt.UseAllFiles {
			shouldBuild = false
		} else if goBuildConstraint := tf.goBuildConstraint(); goBuildConstraint != "" {
			x, err := constraint.Parse(goBuildConstraint)
			if err != nil {
				return p, fmt.Errorf("%s: parsing //go:build line: %v", name, err)
			}
			shouldBuild = ctxt.eval(x, allTags)

		binaryOnly uint32 bool
		cgoDirectives string offset // the #cgo directive lines in the comment on import "C"
		goBuildConstraint  - string offset
		len(plusBuildConstraints) - uint32
		plusBuildConstraints - [n]uint32 (string offsets)
		len(imports) uint32
		for each rawImport:
			path - string offset

	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)
	}

	e.Int(len(f.imports))
	for _, m := range f.imports {
		e.String(m.path)
		e.Position(m.position)

	imports    []fileImport
	embeds     []fileEmbed
	directives []build.Directive

	// Additional fields added to go/build's fileinfo for the purposes of the modindex package.
	binaryOnly           bool
	goBuildConstraint    string
	plusBuildConstraints []string
}

type fileImport struct {
	path string
	pos  token.Pos
	doc  *ast.CommentGroup
}

type fileEmbed struct {
	pattern string