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text/template: need to validate type when an argument is a function call

Missed a case; just need to call validateType.

Fixes #10800.

Change-Id: I81997ca7a9feb1be31c8b47e631b32712d7ffb86
Reviewed-on: https://go-review.googlesource.com/10031
Reviewed-by: Andrew Gerrand <adg@golang.org>
This commit is contained in:
Rob Pike 2015-05-13 12:59:33 -07:00
parent ecfe42cab0
commit 92bdbb8a3c
2 changed files with 9 additions and 1 deletions

View File

@ -660,7 +660,7 @@ func (s *state) evalArg(dot reflect.Value, typ reflect.Type, n parse.Node) refle
case *parse.PipeNode: case *parse.PipeNode:
return s.validateType(s.evalPipeline(dot, arg), typ) return s.validateType(s.evalPipeline(dot, arg), typ)
case *parse.IdentifierNode: case *parse.IdentifierNode:
return s.evalFunction(dot, arg, arg, nil, zero) return s.validateType(s.evalFunction(dot, arg, arg, nil, zero), typ)
case *parse.ChainNode: case *parse.ChainNode:
return s.validateType(s.evalChainNode(dot, arg, nil, zero), typ) return s.validateType(s.evalChainNode(dot, arg, nil, zero), typ)
} }

View File

@ -531,6 +531,8 @@ var execTests = []execTest{
{"bug14a", "{{(nil).True}}", "", tVal, false}, {"bug14a", "{{(nil).True}}", "", tVal, false},
{"bug14b", "{{$x := nil}}{{$x.anything}}", "", tVal, false}, {"bug14b", "{{$x := nil}}{{$x.anything}}", "", tVal, false},
{"bug14c", `{{$x := (1.0)}}{{$y := ("hello")}}{{$x.anything}}{{$y.true}}`, "", tVal, false}, {"bug14c", `{{$x := (1.0)}}{{$y := ("hello")}}{{$x.anything}}{{$y.true}}`, "", tVal, false},
// Didn't call validateType on function results. Issue 10800.
{"bug15", "{{valueString returnInt}}", "", tVal, false},
} }
func zeroArgs() string { func zeroArgs() string {
@ -570,6 +572,11 @@ func valueString(v string) string {
return "value is ignored" return "value is ignored"
} }
// returnInt returns an int
func returnInt() int {
return 7
}
func add(args ...int) int { func add(args ...int) int {
sum := 0 sum := 0
for _, x := range args { for _, x := range args {
@ -611,6 +618,7 @@ func testExecute(execTests []execTest, template *Template, t *testing.T) {
"makemap": makemap, "makemap": makemap,
"mapOfThree": mapOfThree, "mapOfThree": mapOfThree,
"oneArg": oneArg, "oneArg": oneArg,
"returnInt": returnInt,
"stringer": stringer, "stringer": stringer,
"typeOf": typeOf, "typeOf": typeOf,
"valueString": valueString, "valueString": valueString,