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// Copyright (C) 2016 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package parse
import (
"io"
"android.googlesource.com/platform/tools/gpu/framework/compare"
)
// Leaf nodes are part of the cst that cannot have child nodes, they represent
// a single token from the input.
type Leaf struct {
fragment
node
}
func (n *Leaf) WriteTo(w io.Writer) error {
if err := n.prefix.WriteTo(w); err != nil {
return err
}
if err := n.fragment.WriteTo(w); err != nil {
return err
}
return n.suffix.WriteTo(w)
}
func compareLeaves(c compare.Comparator, reference, value *Leaf) {
c.With(c.Path.Member("fragment", reference, value)).Compare(reference.fragment, value.fragment)
c.With(c.Path.Member("node", reference, value)).Compare(reference.node, value.node)
}
func init() {
compare.Register(compareLeaves)
}