| 393 | |
| 394 | |
| 395 | static te_expr *power(state *s) { |
| 396 | /* <power> = {("-" | "+")} <base> */ |
| 397 | int sign = 1; |
| 398 | while (s->type == TOK_INFIX && (s->function == add || s->function == sub)) { |
| 399 | if (s->function == sub) sign = -sign; |
| 400 | next_token(s); |
| 401 | } |
| 402 | |
| 403 | te_expr *ret; |
| 404 | |
| 405 | if (sign == 1) { |
| 406 | ret = base(s); |
| 407 | } else { |
| 408 | ret = NEW_EXPR(TE_FUNCTION1 | TE_FLAG_PURE, base(s)); |
| 409 | ret->function = negate; |
| 410 | } |
| 411 | |
| 412 | return ret; |
| 413 | } |
| 414 | |
| 415 | #ifdef TE_POW_FROM_RIGHT |
| 416 | static te_expr *factor(state *s) { |
no test coverage detected