Function SourceInfoToProto

common/ast/conversion.go:529–570

SourceInfoToProto serializes an ast.SourceInfo value to a protobuf SourceInfo object.

(info *SourceInfo)

// SourceInfoToProto serializes an ast.SourceInfo value to a protobuf SourceInfo object.
func SourceInfoToProto(info *SourceInfo) (*exprpb.SourceInfo, error) {
	if info == nil {
		return &exprpb.SourceInfo{}, nil
	}
	sourceInfo := &exprpb.SourceInfo{
		SyntaxVersion: info.SyntaxVersion(),
		Location:      info.Description(),
		LineOffsets:   info.LineOffsets(),
		Positions:     make(map[int64]int32, len(info.OffsetRanges())),
		MacroCalls:    make(map[int64]*exprpb.Expr, len(info.MacroCalls())),
	}
	for id, offset := range info.OffsetRanges() {
		sourceInfo.Positions[id] = offset.Start
	}
	for id, e := range info.MacroCalls() {
		call, err := ExprToProto(e)
		if err != nil {
			return nil, err
		}
		sourceInfo.MacroCalls[id] = call
	}
	for _, ext := range info.Extensions() {
		var components []exprpb.SourceInfo_Extension_Component
		for _, c := range ext.Components {
			comp, found := componentPBMap[c]
			if found {
				components = append(components, comp)
			}
		}
		ver := &exprpb.SourceInfo_Extension_Version{
			Major: ext.Version.Major,
			Minor: ext.Version.Minor,
		}
		pbExt := &exprpb.SourceInfo_Extension{
			Id:                 ext.ID,
			Version:            ver,
			AffectedComponents: components,
		}
		sourceInfo.Extensions = append(sourceInfo.Extensions, pbExt)
	}
	return sourceInfo, nil
}

// ProtoToSourceInfo deserializes the protobuf into a native SourceInfo value.
func ProtoToSourceInfo(info *exprpb.SourceInfo) (*SourceInfo, error) {