ceph-csi/vendor/github.com/google/cel-go/interpreter/evalstate.go
dependabot[bot] e5d9b68d36 rebase: bump the golang-dependencies group with 1 update
Bumps the golang-dependencies group with 1 update: [golang.org/x/crypto](https://github.com/golang/crypto).


Updates `golang.org/x/crypto` from 0.16.0 to 0.17.0
- [Commits](https://github.com/golang/crypto/compare/v0.16.0...v0.17.0)

---
updated-dependencies:
- dependency-name: golang.org/x/crypto
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: golang-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>
2023-12-21 13:34:39 +00:00

80 lines
2.1 KiB
Go

// 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 interpreter
import (
"github.com/google/cel-go/common/types/ref"
)
// EvalState tracks the values associated with expression ids during execution.
type EvalState interface {
// IDs returns the list of ids with recorded values.
IDs() []int64
// Value returns the observed value of the given expression id if found, and a nil false
// result if not.
Value(int64) (ref.Val, bool)
// SetValue sets the observed value of the expression id.
SetValue(int64, ref.Val)
// Reset clears the previously recorded expression values.
Reset()
}
// evalState permits the mutation of evaluation state for a given expression id.
type evalState struct {
values map[int64]ref.Val
}
// NewEvalState returns an EvalState instanced used to observe the intermediate
// evaluations of an expression.
func NewEvalState() EvalState {
return &evalState{
values: make(map[int64]ref.Val),
}
}
// IDs implements the EvalState interface method.
func (s *evalState) IDs() []int64 {
var ids []int64
for k, v := range s.values {
if v != nil {
ids = append(ids, k)
}
}
return ids
}
// Value is an implementation of the EvalState interface method.
func (s *evalState) Value(exprID int64) (ref.Val, bool) {
val, found := s.values[exprID]
return val, found
}
// SetValue is an implementation of the EvalState interface method.
func (s *evalState) SetValue(exprID int64, val ref.Val) {
if val == nil {
delete(s.values, exprID)
} else {
s.values[exprID] = val
}
}
// Reset implements the EvalState interface method.
func (s *evalState) Reset() {
s.values = map[int64]ref.Val{}
}