| 139 | } |
| 140 | |
| 141 | func scanNumber(buf []byte, start pos) ([]byte, []byte, pos) { |
| 142 | // The scanner doesn't check that the sequence of digit-ish bytes is |
| 143 | // in a valid order. The parser must do this when decoding a number |
| 144 | // token. |
| 145 | var i int |
| 146 | p := start |
| 147 | Byte: |
| 148 | for i = 0; i < len(buf); i++ { |
| 149 | switch buf[i] { |
| 150 | case '-', '+', '.', 'e', 'E', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': |
| 151 | p.Pos.Byte++ |
| 152 | p.Pos.Column++ |
| 153 | default: |
| 154 | break Byte |
| 155 | } |
| 156 | } |
| 157 | return buf[:i], buf[i:], p |
| 158 | } |
| 159 | |
| 160 | func byteCanStartKeyword(b byte) bool { |
| 161 | switch { |