blob: 07bc3ac4ff21185bc56809cdaf00a9423ca2cce8 [file] [log] [blame]
// Copyright 2021 CUE Authors
//
// 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 eval
import (
"cuelang.org/go/internal/core/adt"
"cuelang.org/go/internal/core/debug"
)
func Evaluate(r adt.Runtime, v *adt.Vertex) {
format := func(n adt.Node) string {
return debug.NodeString(r, n, printConfig)
}
c := adt.New(v, &adt.Config{
Runtime: r,
Format: format,
})
c.Unify(v, adt.Finalized)
}
func New(r adt.Runtime) *Unifier {
return &Unifier{r: r, e: NewContext(r, nil)}
}
type Unifier struct {
r adt.Runtime
e *adt.OpContext
}
func (e *Unifier) Unify(ctx *adt.OpContext, v *adt.Vertex, state adt.VertexStatus) {
e.e.Unify(v, state)
}
func (e *Unifier) Stats() *adt.Stats {
return e.e.Stats()
}
// TODO: Note: NewContext takes essentially a cue.Value. By making this
// type more central, we can perhaps avoid context creation.
func NewContext(r adt.Runtime, v *adt.Vertex) *adt.OpContext {
format := func(n adt.Node) string {
return debug.NodeString(r, n, printConfig)
}
return adt.New(v, &adt.Config{
Runtime: r,
Format: format,
})
}
func (e *Unifier) NewContext(v *adt.Vertex) *adt.OpContext {
return NewContext(e.r, v)
}
var printConfig = &debug.Config{Compact: true}