fix: upgrade github.com/open-policy-agent/opa v0.70.0 => v1.4.0 (#6510)

Signed-off-by: peng wu <2030047311@qq.com>

vendor/github.com/open-policy-agent/opa/ast/varset.go

@@ -5,96 +5,13 @@
 package ast
 
 import (
-	"fmt"
-	"sort"
+	v1 "github.com/open-policy-agent/opa/v1/ast"
 )
 
 // VarSet represents a set of variables.
-type VarSet map[Var]struct{}
+type VarSet = v1.VarSet
 
 // NewVarSet returns a new VarSet containing the specified variables.
 func NewVarSet(vs ...Var) VarSet {
-	s := VarSet{}
-	for _, v := range vs {
-		s.Add(v)
-	}
-	return s
-}
-
-// Add updates the set to include the variable "v".
-func (s VarSet) Add(v Var) {
-	s[v] = struct{}{}
-}
-
-// Contains returns true if the set contains the variable "v".
-func (s VarSet) Contains(v Var) bool {
-	_, ok := s[v]
-	return ok
-}
-
-// Copy returns a shallow copy of the VarSet.
-func (s VarSet) Copy() VarSet {
-	cpy := VarSet{}
-	for v := range s {
-		cpy.Add(v)
-	}
-	return cpy
-}
-
-// Diff returns a VarSet containing variables in s that are not in vs.
-func (s VarSet) Diff(vs VarSet) VarSet {
-	r := VarSet{}
-	for v := range s {
-		if !vs.Contains(v) {
-			r.Add(v)
-		}
-	}
-	return r
-}
-
-// Equal returns true if s contains exactly the same elements as vs.
-func (s VarSet) Equal(vs VarSet) bool {
-	if len(s.Diff(vs)) > 0 {
-		return false
-	}
-	return len(vs.Diff(s)) == 0
-}
-
-// Intersect returns a VarSet containing variables in s that are in vs.
-func (s VarSet) Intersect(vs VarSet) VarSet {
-	r := VarSet{}
-	for v := range s {
-		if vs.Contains(v) {
-			r.Add(v)
-		}
-	}
-	return r
-}
-
-// Sorted returns a sorted slice of vars from s.
-func (s VarSet) Sorted() []Var {
-	sorted := make([]Var, 0, len(s))
-	for v := range s {
-		sorted = append(sorted, v)
-	}
-	sort.Slice(sorted, func(i, j int) bool {
-		return sorted[i].Compare(sorted[j]) < 0
-	})
-	return sorted
-}
-
-// Update merges the other VarSet into this VarSet.
-func (s VarSet) Update(vs VarSet) {
-	for v := range vs {
-		s.Add(v)
-	}
-}
-
-func (s VarSet) String() string {
-	tmp := make([]string, 0, len(s))
-	for v := range s {
-		tmp = append(tmp, string(v))
-	}
-	sort.Strings(tmp)
-	return fmt.Sprintf("%v", tmp)
+	return v1.NewVarSet(vs...)
 }