. "cmd/compile/internal/types2"
)

var (
	haltOnError  = flag.Bool("halt", false, "halt on error")
	verifyErrors = flag.Bool("verify", false, "verify errors (rather than list them) in TestManual")
)

func parseFiles(t *testing.T, filenames []string, srcs [][]byte, mode syntax.Mode) ([]*syntax.File, []error) {
	var files []*syntax.File
	var errlist []error
	errh := func(err error) { errlist = append(errlist, err) }

	// Here starts the example proper.
	// Let's just parse only dir1/T0 and dir2/T2
	paths := []string{
		filepath.Join(dir1, "T1.tmpl"),
		filepath.Join(dir2, "T2.tmpl"),
	}
	tmpl := template.Must(template.ParseFiles(paths...))

	err := tmpl.Execute(os.Stdout, nil)
	if err != nil {
		log.Fatalf("template execution: %s", err)
	}
	// Output:
	// T1 invokes T2: (This is T2)
}

func readTemplate(filename string) *template.Template {
	t := template.New(filename)
	t.Funcs(template.FuncMap{
		"node":     nodeFmt,
		"synopsis": synopsisFmt,
		"indent":   indentFmt,
	})
	return template.Must(t.ParseFiles(filepath.Join(dataDir, filename)))
}

func nodeFmt(node any, fset *token.FileSet) string {
	var buf bytes.Buffer
	printer.Fprint(&buf, fset, node)

values, or must be copied with [Template.Clone] or [Template.AddParseTree].

Parse may be called multiple times to assemble the various associated templates;
see [ParseFiles], [ParseGlob], [Template.ParseFiles] and [Template.ParseGlob]
for simple ways to parse related templates stored in files.

A template may be executed directly or through [Template.ExecuteTemplate], which executes

		return cached, k8sConfigCache[input]
	}
	configName := input.ConfigName
	if configName == "" {
		configName = input.Name
	}
	tmpl := template.Must(template.New("").Funcs(sprig.TxtFuncMap()).ParseFiles(path.Join("testdata", "benchmarks", configName+".yaml")))
	var buf bytes.Buffer
	if err := tmpl.ExecuteTemplate(&buf, configName+".yaml", input); err != nil {
		t.Fatalf("failed to execute template: %v", err)
	}

	} else if buf.String() != "hello" {
		t.Errorf(`Expected "hello"; got %q`, buf.String())
	}
}

// This is a test for issue 3272.
func TestEmptyTemplateHTML(t *testing.T) {
	page := Must(New("page").ParseFiles(os.DevNull))
	if err := page.ExecuteTemplate(os.Stdout, "page", "nothing"); err == nil {
		t.Fatal("expected error")
	}
}

type Issue7379 int

func (Issue7379) SomeMethod(x int) string {

		{"(*Template).Name", Method, 0},
		{"(*Template).New", Method, 0},
		{"(*Template).Option", Method, 5},
		{"(*Template).Parse", Method, 0},
		{"(*Template).ParseFS", Method, 16},
		{"(*Template).ParseFiles", Method, 0},
		{"(*Template).ParseGlob", Method, 0},
		{"(*Template).Templates", Method, 0},
		{"CSS", Type, 0},
		{"ErrAmbigContext", Const, 0},
		{"ErrBadHTML", Const, 0},
		{"ErrBranchEnd", Const, 0},

pkg html/template, func JSEscaper(...interface{}) string
pkg html/template, func Must(*Template, error) *Template
pkg html/template, func New(string) *Template
pkg html/template, func ParseFiles(...string) (*Template, error)
pkg html/template, func ParseGlob(string) (*Template, error)
pkg html/template, func URLQueryEscaper(...interface{}) string
pkg html/template, method (*Error) Error() string