}
		}

		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)

	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