Add the ability to execute struct field functions
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parent
f4307541c4
commit
ce71befee8
13
salix.go
13
salix.go
@ -438,12 +438,19 @@ func (t *Template) execMethodCall(mc ast.MethodCall, local map[string]any) (any,
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for rval.Kind() == reflect.Pointer {
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rval = rval.Elem()
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}
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// First, check for a method with the given name
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mtd := rval.MethodByName(mc.Name.Value)
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if !mtd.IsValid() {
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return nil, ast.PosError(mc, "no such method: %s", mc.Name.Value)
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}
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if mtd.IsValid() {
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return t.execFunc(mtd, mc, mc.Params, local)
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}
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// If the method doesn't exist, also check for a field storing a function.
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field := rval.FieldByName(mc.Name.Value)
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if field.IsValid() && field.Kind() == reflect.Func {
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return t.execFunc(field, mc, mc.Params, local)
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}
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// If neither of those exist, return an error
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return nil, ast.PosError(mc, "no such method: %s", mc.Name.Value)
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}
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// execFunc executes a function call
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func (t *Template) execFunc(fn reflect.Value, node ast.Node, args []ast.Node, local map[string]any) (any, error) {
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