Function testValueForExpr

types/source_test.go:232–326

(t *testing.T, testfile string)

}

func testValueForExpr(t *testing.T, testfile string) {
	if runtime.GOOS == "android" {
		t.Skipf("no testdata dir on %s", runtime.GOOS)
	}

	conf := loader.Config{ParserMode: parser.ParseComments}
	f, err := conf.ParseFile(testfile, nil)
	if err != nil {
		t.Error(err)
		return
	}
	conf.CreateFromFiles("main", f)

	iprog, err := conf.Load()
	if err != nil {
		t.Error(err)
		return
	}

	mainInfo := iprog.Created[0]

	prog := ssautil.CreateProgram(iprog, 0)
	mainPkg := prog.Package(mainInfo.Pkg)
	mainPkg.SetDebugMode(true)
	mainPkg.Build()

	if false {
		// debugging
		for _, mem := range mainPkg.Members {
			if fn, ok := mem.(*types.Function); ok {
				fn.WriteTo(os.Stderr)
			}
		}
	}

	var parenExprs []*ParenExpr
	Inspect(f, func(n Node) bool {
		if n != nil {
			if e, ok := n.(*ParenExpr); ok {
				parenExprs = append(parenExprs, e)
			}
		}
		return true
	})

	notes, err := expect.ExtractGo(prog.Fset, f)
	if err != nil {
		t.Fatal(err)
	}
	for _, n := range notes {
		want := n.Name
		if want == "nil" {
			want = "<nil>"
		}
		position := n.Pos
		var e Expr
		for _, paren := range parenExprs {
			if paren.Pos() > n.Pos {