Goで言語処理系(の途中まで)を作ろう38. Ragelの書きかた # ---- Literal ---string = ("'" . (any - "'")* . "'") |('"' . (any - '"')* . '"'); integer = digit+; atom = (alpha (alpha | digit)* ); # ---- Operator ---operator = "+" | "-" | "*" | "/"; main := |* atom => { material := Ore{ Token: ATOM, Value: data[ts:te], } material.Research() ores = append(ores, material) }; String => { material := Ore{ Token: STRING, Value: data[ts:te], } mater
