protoparse

type ErrorWithSourcePos struct {
	Underlying error
	Pos        *SourcePos
}

type FileAccessor func(filename string) (io.ReadCloser, error)

type Parser struct {
	// The paths used to search for dependencies that are referenced in import
	// statements in proto source files. If no import paths are provided then
	// "." (current directory) is assumed to be the only import path.
	ImportPaths []string

	// If true, the supplied file names/paths need not necessarily match how the
	// files are referenced in import statements. The parser will attempt to
	// match import statements to supplied paths, "guessing" the import paths
	// for the files. Note that this inference is not perfect and link errors
	// could result. It works best when all proto files are organized such that
	// a single import path can be inferred (e.g. all files under a single tree
	// with import statements all being relative to the root of this tree).
	InferImportPaths bool

	// Used to create a reader for a given filename, when loading proto source
	// file contents. If unset, os.Open is used, and relative paths are thus
	// relative to the process's current working directory.
	Accessor FileAccessor

	// If true, the resulting file descriptors will retain source code info,
	// that maps elements to their location in the source files as well as
	// includes comments found during parsing (and attributed to elements of
	// the source file).
	IncludeSourceCodeInfo bool
}

type SourcePos struct {
	Filename  string
	Line, Col int
	Offset    int
}