diff options
Diffstat (limited to 'nodes.go')
-rw-r--r-- | nodes.go | 9 |
1 files changed, 6 insertions, 3 deletions
@@ -1,5 +1,7 @@ package parsec +import "fmt" + type Node interface { Pos() int } @@ -16,11 +18,12 @@ func NewToken(pos int, value string) Token { } type Error struct { - pos int - Error string + pos int + Message string } -func (e Error) Pos() int { return e.pos } +func (e Error) Pos() int { return e.pos } +func (e Error) Error() string { return fmt.Sprintf("offset %d: %s", e.pos, e.Message) } func NewError(pos int, message string) Error { return Error{pos, message} |