return parseFiles("", args)
}

func checkPkgFiles(files []*ast.File) {
	type bailout struct{}

	// if checkPkgFiles is called multiple times, set up conf only once
	conf := types.Config{
		FakeImportC: true,
		Error: func(err error) {
			if !*allErrors && errorCount >= 10 {
				panic(bailout{})
			}
			report(err)
		},
		Importer: importer.ForCompiler(fset, *compiler, nil),

			}
		},
		Importer: p,
		Sizes:    p.sizes,
	}
	if len(bp.CgoFiles) > 0 {
		if p.ctxt.OpenFile != nil {
			// cgo, gcc, pkg-config, etc. do not support
			// build.Context's VFS.
			conf.FakeImportC = true
		} else {
			setUsesCgo(&conf)
			file, err := p.cgo(bp)
			if err != nil {
				return nil, fmt.Errorf("error processing cgo for package %q: %w", bp.ImportPath, err)
			}

		}
		cgoFiles = append(cgoFiles, f)
	}
	if cgoFiles == nil {
		return nil, nil, nil // nothing to do (can't happen?)
	}

	// Type-check the synthetic files.
	tc := &types.Config{
		FakeImportC: true,
		Importer: importerFunc(func(path string) (*types.Package, error) {
			return importMap[path], nil
		}),
		Sizes: sizes,
		Error: func(error) {}, // ignore errors (e.g. unused import)
	}

pkg go/types, type Config struct
pkg go/types, type Config struct, DisableUnusedImportCheck bool
pkg go/types, type Config struct, Error func(error)
pkg go/types, type Config struct, FakeImportC bool
pkg go/types, type Config struct, IgnoreFuncBodies bool
pkg go/types, type Config struct, Importer Importer
pkg go/types, type Config struct, Sizes Sizes
pkg go/types, type Const struct

		{"Complex128", Const, 5},
		{"Complex64", Const, 5},
		{"Config", Type, 5},
		{"Config.Context", Field, 18},
		{"Config.DisableUnusedImportCheck", Field, 5},
		{"Config.Error", Field, 5},
		{"Config.FakeImportC", Field, 5},
		{"Config.GoVersion", Field, 18},
		{"Config.IgnoreFuncBodies", Field, 5},
		{"Config.Importer", Field, 5},
		{"Config.Sizes", Field, 5},
		{"Const", Type, 5},
		{"Context", Type, 18},