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// Copyright 2020 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 astutil
import (
"cuelang.org/go/cue/ast"
"cuelang.org/go/cue/token"
)
// ToFile converts an expression to a File. It will create an import section for
// any of the identifiers in x that refer to an import and will unshadow
// references as appropriate.
func ToFile(x ast.Expr) (*ast.File, error) {
var f *ast.File
if st, ok := x.(*ast.StructLit); ok {
f = &ast.File{Decls: st.Elts}
} else {
ast.SetRelPos(x, token.NoSpace)
f = &ast.File{Decls: []ast.Decl{&ast.EmbedDecl{Expr: x}}}
}
if err := Sanitize(f); err != nil {
return nil, err
}
return f, nil
}
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