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// Copyright 2018 The 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 cue
import (
"cuelang.org/go/cue/build"
"cuelang.org/go/cue/errors"
"cuelang.org/go/internal/core/adt"
"cuelang.org/go/internal/core/runtime"
)
// A Runtime is used for creating CUE Values.
//
// Any operation that involves two Values or Instances should originate from
// the same Runtime.
//
// The zero value of Runtime works for legacy reasons, but
// should not be used. It may panic at some point.
//
// Deprecated: use [Context].
type Runtime runtime.Runtime
func (r *Runtime) runtime() *runtime.Runtime {
rt := (*runtime.Runtime)(r)
rt.Init()
return rt
}
type hiddenRuntime = Runtime
func (r *Runtime) complete(p *build.Instance, v *adt.Vertex) (*Instance, error) {
idx := r.runtime()
inst := getImportFromBuild(idx, p, v)
inst.ImportPath = p.ImportPath
if inst.Err != nil {
return nil, inst.Err
}
return inst, nil
}
// Compile compiles the given source into an Instance. The source code may be
// provided as a string, byte slice, io.Reader. The name is used as the file
// name in position information. The source may import builtin packages. Use
// Build to allow importing non-builtin packages.
//
// Deprecated: use [Context] with methods like [Context.CompileString] or [Context.CompileBytes].
// The use of [Instance] is being phased out.
func (r *hiddenRuntime) Compile(filename string, source interface{}) (*Instance, error) {
cfg := &runtime.Config{Filename: filename}
v, p := r.runtime().Compile(cfg, source)
return r.complete(p, v)
}
// Deprecated: use [Context.BuildInstances]. The use of [Instance] is being phased out.
func Build(instances []*build.Instance) []*Instance {
if len(instances) == 0 {
panic("cue: list of instances must not be empty")
}
var r Runtime
a, _ := r.BuildInstances(instances)
return a
}
// Deprecated: use [Context.BuildInstances]. The use of [Instance] is being phased out.
func (r *hiddenRuntime) BuildInstances(instances []*build.Instance) ([]*Instance, error) {
index := r.runtime()
loaded := []*Instance{}
var errs errors.Error
for _, p := range instances {
v, _ := index.Build(nil, p)
i := getImportFromBuild(index, p, v)
errs = errors.Append(errs, i.Err)
loaded = append(loaded, i)
}
// TODO: insert imports
return loaded, errs
}
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