index ee4bc67c17d31f33f25ba5047600658776953755..c2fd9abd4662bef894b32ae159650e7cdcb4baa2 100644 (file)
case OP_ABS:
jvm_generate_abs(p, prefix);
break;
+ case OP_CAP:
+ jvm_generate(p, cell_size, cell_size, "invokestatic java/lang/Character/toUpperCase(I)I");
+ break;
case OP_ADD:
jvm_generate(p, 2 * cell_size, cell_size, "%cadd", prefix);
jvm_generate_label(p, label_end);
}
+static void
+jvm_generate_ash(gen_proc_t * p, oberon_expr_t * a, oberon_expr_t * b)
+{
+ oberon_type_t * t = a -> result;
+ int cell_size = jvm_cell_size_for_type(t);
+ char prefix = jvm_get_prefix(t);
+ int label_else = jvm_new_label_id(p);
+ int label_end = jvm_new_label_id(p);
+
+ /* if b < 0 then a << b else a >> b end */
+
+ push_expr(p, a);
+ push_expr(p, b);
+ if(cell_size == 1)
+ {
+ jvm_generate(p, cell_size, 2 * cell_size, "dup");
+ }
+ else
+ {
+ jvm_generate(p, cell_size, 2 * cell_size, "dup2");
+ }
+ jvm_generate_push_int_size(p, 0, t -> size);
+ jvm_generate_compare_op(p, t, OP_LSS);
+
+ jvm_generate(p, cell_size, 0, "ifne L%i", label_else);
+ jvm_generate(p, 2 * cell_size, cell_size, "%cshl", prefix);
+ jvm_generate(p, 0, 0, "goto L%i", label_end);
+ jvm_generate_label(p, label_else);
+ jvm_generate_abs(p, prefix);
+ jvm_generate(p, 2 * cell_size, cell_size, "%cshr", prefix);
+ jvm_generate_label(p, label_end);
+}
+
static void
push_operator(gen_proc_t * p, oberon_oper_t * oper)
{
case OP_UNARY_MINUS:
case OP_LOGIC_NOT:
case OP_ABS:
+ case OP_CAP:
push_expr(p, oper -> left);
jvm_generate_operator(p, preq, op);
break;
case OP_IN:
jvm_generate_in(p, oper -> left, oper -> right);
break;
+
+ case OP_ASH:
+ jvm_generate_ash(p, oper -> left, oper -> right);
+ break;
default:
gen_error("push_oper: unk op %i", op);
break;