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// Copyright 2018 Google LLC
//
// 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 checker
import (
"github.com/google/cel-go/common/types"
)
type mapping struct {
mapping map[string]*types.Type
}
func newMapping() *mapping {
return &mapping{
mapping: make(map[string]*types.Type),
}
}
func (m *mapping) add(from, to *types.Type) {
m.mapping[FormatCELType(from)] = to
}
func (m *mapping) find(from *types.Type) (*types.Type, bool) {
if r, found := m.mapping[FormatCELType(from)]; found {
return r, found
}
return nil, false
}
func (m *mapping) copy() *mapping {
c := newMapping()
for k, v := range m.mapping {
c.mapping[k] = v
}
return c
}
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