| class AM_PRE_STMT < $AM_STMT |
|---|
| **** | Statement representing a precondition. |
| $AM_STMT | $NEXT{_} | $AM | $PROG_ERR | AM_STMT | AM |
| attr test:$AM_EXPR; |
|---|
| **** | Expression to test. |
| attr tp:$TP; |
|---|
| **** | The type which this is from. |
| attr test:$AM_EXPR; |
|---|
| **** | Expression to test. |
| attr tp:$TP; |
|---|
| **** | The type which this is from. |
| copy:$AM_STMT |
|---|