html/template: unidentified node type in allIdents (2) (original) (raw)

package main

import ( "errors" "html/template" "io/ioutil" )

func main() { data := "query}}"\x9b\xaa\x9015186" + "77827595"}"\x9b\xaa\x90518677" + "82759541638>{{-6| ht" + "ml}}Z\x10\x96ear}"\x9b\xaa\x901" + "51867782759541638>{{" + "-643773943| html}}</" + "a>Z\x10\x96earh?q={cx\x00\x02={{" + ".stateError | urlque" + "ry}}"\x9b\xaa\x901.1867782759" + "541638>{{. | html.y}" + "}"

t, err := template.New("foo").Funcs(funcs).Parse(string(data))
if err != nil {
    if t != nil {
        panic("non nil template on error")
    }
    return
}
d := &Data{
    A: 42,
    B: "foo",
    C: []int{1, 2, 3},
    D: map[int]string{1: "foo", 2: "bar"},
    E: Data1{42, "foo"},
}
t.Execute(ioutil.Discard, d)
return

}

type Data struct { A int B string C []int D map[int]string E Data1 }

type Data1 struct { A int B string }

func (Data1) Q() string { return "foo" }

func (Data1) W() (string, error) { return "foo", nil }

func (Data1) E() (string, error) { return "foo", errors.New("Data.E error") }

func (Data1) R(v int) (string, error) { return "foo", nil }

func (Data1) T(s string) (string, error) { return s, nil }

var funcs = map[string]interface{}{ "Q": func1, "W": func2, "E": func3, "R": func4, "T": func5, "Y": func6, "U": func7, "I": func8, }

func func1(s string) string { return s }

func func2(s string) (string, error) { return s, nil }

func func3(s string) (string, error) { return s, errors.New("func3 error") }

func func4(v int) int { return v }

func func5(v int) (int, error) { return v, nil }

func func6() int { return 42 }

func func7() (int, error) { return 42, nil }

func func8() (int, error) { return 42, errors.New("func8 error") }

panic: unidentified node type in allIdents

goroutine 1 [running]:
html/template.allIdents(0x7f11258d8588, 0xc208010500, 0x0, 0x0, 0x0)
    src/html/template/escape.go:216 +0x1f1
html/template.ensurePipelineContains(0xc2080122d0, 0xc208015020, 0x1, 0x3)
    src/html/template/escape.go:242 +0x1ca
html/template.(*escaper).commit(0xc208043cc8)
    src/html/template/escape.go:749 +0x36c
html/template.escapeTemplate(0xc208014720, 0x7f11258d85d0, 0xc208014810, 0x5c9fd0, 0x3, 0x0, 0x0)
    src/html/template/escape.go:39 +0x46c
html/template.(*Template).escape(0xc208014720, 0x0, 0x0)
    src/html/template/template.go:85 +0x388
html/template.(*Template).Execute(0xc208014720, 0x7f11258d8388, 0xc20800a510, 0x52fc40, 0xc208012320, 0x0, 0x0)
    src/html/template/template.go:101 +0x37
main.main()
    /tmp/ht.go:36 +0x4cd

on commit abb818b