| 1 | import wasm |
| 2 | |
| 3 | fn main() { |
| 4 | mut m := wasm.Module{} |
| 5 | mut fac := m.new_function('fac', [.i64_t], [.i64_t]) |
| 6 | { |
| 7 | fac.local_get(0) |
| 8 | fac.eqz(.i64_t) |
| 9 | bif := fac.c_if([], [.i64_t]) |
| 10 | { |
| 11 | fac.i64_const(1) |
| 12 | } |
| 13 | fac.c_else(bif) |
| 14 | { |
| 15 | { |
| 16 | fac.local_get(0) |
| 17 | } |
| 18 | { |
| 19 | fac.local_get(0) |
| 20 | fac.i64_const(1) |
| 21 | fac.sub(.i64_t) |
| 22 | fac.call('fac') |
| 23 | } |
| 24 | fac.mul(.i64_t) |
| 25 | } |
| 26 | fac.c_end(bif) |
| 27 | } |
| 28 | m.commit(fac, true) |
| 29 | print(m.compile().bytestr()) |
| 30 | |
| 31 | // v run factorial.v > a.wasm |
| 32 | // wasmer a.wasm -i fac 5 |
| 33 | } |
| 34 | |