Function ToProto

common/ast/conversion.go:44–75

ToProto converts an AST to a CheckedExpr protobouf.

(ast *AST)

// ToProto converts an AST to a CheckedExpr protobouf.
func ToProto(ast *AST) (*exprpb.CheckedExpr, error) {
	refMap := make(map[int64]*exprpb.Reference, len(ast.ReferenceMap()))
	for id, ref := range ast.ReferenceMap() {
		r, err := ReferenceInfoToProto(ref)
		if err != nil {
			return nil, err
		}
		refMap[id] = r
	}
	typeMap := make(map[int64]*exprpb.Type, len(ast.TypeMap()))
	for id, typ := range ast.TypeMap() {
		t, err := types.TypeToExprType(typ)
		if err != nil {
			return nil, err
		}
		typeMap[id] = t
	}
	e, err := ExprToProto(ast.Expr())
	if err != nil {
		return nil, err
	}
	info, err := SourceInfoToProto(ast.SourceInfo())
	if err != nil {
		return nil, err
	}
	return &exprpb.CheckedExpr{
		Expr:         e,
		SourceInfo:   info,
		ReferenceMap: refMap,
		TypeMap:      typeMap,
	}, nil
}

// ToAST converts a CheckedExpr protobuf to an AST instance.
func ToAST(checked *exprpb.CheckedExpr) (*AST, error) {