| 1 | type exp = |
| 2 | | CONST of int |
| 3 | | NAME of Tiger_temp.Label.t |
| 4 | | TEMP of Tiger_temp.Temp.t |
| 5 | | BINOP of binop * exp * exp |
| 6 | | MEM of exp |
| 7 | | CALL of exp * exp list |
| 8 | | ESEQ of stm * exp |
| 9 | and stm = |
| 10 | | MOVE of exp * exp |
| 11 | | EXP of exp |
| 12 | | JUMP of exp * Tiger_temp.Label.t list |
| 13 | (* List is for possible locations that exp can evaluate to, which will be |
| 14 | * needed for dataflow analysis, but for now, the common case will be |
| 15 | * JUMP(NAME, l, [l]) *) |
| 16 | | CJUMP of relop * exp * exp * Tiger_temp.Label.t * Tiger_temp.Label.t |
| 17 | | SEQ of stm * stm |
| 18 | | LABEL of Tiger_temp.Label.t |
| 19 | and binop = |
| 20 | | PLUS | MINUS | MUL | DIV | AND | OR | LSHIFT | RSHIFT | ARSHIFT | XOR |
| 21 | and relop = |
| 22 | | EQ | NE | LT | GT | LE | GE |
| 23 | | ULT | ULE | UGT | UGE |
| 24 | |
| 25 | type t = exp |