Добавлены функции SYSTEM.CC и SYSTEM.VAL

[dsw-obn.git] / src / backends / jvm / generator-jvm.c

diff --git a/src/backends/jvm/generator-jvm.c b/src/backends/jvm/generator-jvm.c
index c063e2fc7fcc03ddd8c2150e03cca24c2220a96a..1281c19426745d43a4982a24e92a26c834445bb7 100644 (file)
--- a/src/backends/jvm/generator-jvm.c
+++ b/src/backends/jvm/generator-jvm.c
@@ -1207,6 +1207,30 @@ jvm_generate_cast_type(gen_proc_t * p, oberon_type_t * from, oberon_type_t * to)
        }
 }
 
+static void
+jvm_generate_hard_cast_type(gen_proc_t * p, oberon_type_t * from, oberon_type_t * to)
+{
+       if(from -> class == OBERON_TYPE_REAL
+               && (to -> class == OBERON_TYPE_INTEGER || to -> class == OBERON_TYPE_SYSTEM_BYTE))
+       {
+               char postfix = jvm_get_postfix(to);
+               if(from -> size <= 4)
+               {
+                       jvm_generate(p, 1, 1, "invokestatic java/lang/Float/floatToIntBits(F)I");
+                       jvm_generate_cast_prefix(p, 'I', postfix);
+               }
+               else
+               {
+                       jvm_generate(p, 2, 2, "invokestatic java/lang/Double/floatToIntBits(D)J");
+                       jvm_generate_cast_prefix(p, 'J', postfix);
+               }
+       }
+       else
+       {
+               jvm_generate_cast_type(p, from, to);
+       }
+}
+
 static void
 push_item(gen_proc_t * p, oberon_item_t * item)
 {
@@ -1624,6 +1648,10 @@ push_operator(gen_proc_t * p, oberon_oper_t * oper)
                        push_expr(p, oper -> left);
                        jvm_generate_cast_type(p, oper -> left -> result, oper -> result);
                        break;
+               case OP_HARDCAST:
+                       push_expr(p, oper -> left);
+                       jvm_generate_hard_cast_type(p, oper -> left -> result, oper -> result);
+                       break;
                case OP_COMPLEMENTATION:
                case OP_UNARY_MINUS:
                case OP_LOGIC_NOT: