Class AssignStmt

src/main/java/pascal/taie/ir/stmt/AssignStmt.java:39–82

Representation of assign statements. @param type of lvalue. @param type of rvalue.

 * @param <R> type of rvalue.
 */
public abstract class AssignStmt<L extends LValue, R extends RValue>
        extends DefinitionStmt<L, R> {

    private final L lvalue;

    private final R rvalue;

    public AssignStmt(L lvalue, R rvalue) {
        this.lvalue = lvalue;
        this.rvalue = rvalue;
    }

    @Override
    @Nonnull
    public L getLValue() {
        return lvalue;
    }

    @Override
    public R getRValue() {
        return rvalue;
    }

    @Override
    public Optional<LValue> getDef() {
        return Optional.of(lvalue);
    }

    @Override
    public Set<RValue> getUses() {
        Set<RValue> lUses = lvalue.getUses();
        Set<RValue> rUses = rvalue.getUses();
        Set<RValue> uses = new ArraySet<>(lUses.size() + rUses.size() + 1);
        uses.addAll(lUses);
        uses.addAll(rUses);
        uses.add(rvalue);
        return uses;
    }

    @Override
    public String toString() {
        return lvalue + " = " + rvalue;
    }
}