Closed
Description
package main
import (
"errors"
"html/template"
"io/ioutil"
)
func main() {
data := "</a>query}}\"\x9b\xaa\x9015186" +
"77827595\"}\"\x9b\xaa\x90518677" +
"82759541638>{{-6| ht" +
"ml}}</a>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}" +
"}</a>"
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