JVM: Добавлено сравнение строк

[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 5e74d18a0acfdf31d609959415e0d7a92ecdfc5a..189d8d275421b67a4fc2081d664c37ccf4149fc7 100644 (file)
--- a/src/backends/jvm/generator-jvm.c
+++ b/src/backends/jvm/generator-jvm.c
@@ -1141,8 +1141,11 @@ jvm_generate_cast_type(gen_proc_t * p, oberon_type_t * from, oberon_type_t * to)
 {
        if(to -> class == OBERON_TYPE_RECORD || to -> class == OBERON_TYPE_POINTER)
        {
-               char * full_name = jvm_get_class_full_name(to);
-               jvm_generate(p, 1, 1, "checkcast %s", full_name);
+               if(to -> class == OBERON_TYPE_POINTER && to -> base -> class == OBERON_TYPE_RECORD)
+               {
+                       char * full_name = jvm_get_class_full_name(to);
+                       jvm_generate(p, 1, 1, "checkcast %s", full_name);
+               }
        }
        else
        {
@@ -1301,6 +1304,19 @@ jvm_generate_compare_op(gen_proc_t * p, oberon_type_t * t, int op)
                jvm_generate(p, 2 * cell_size, 1, "%ccmp%c", prefix, fop);
                jvm_generate(p, 1, 1, "if%s L%i", cmpop, label_true);
        }
+       else if(prefix == 'a')
+       {
+               if(t -> class == OBERON_TYPE_STRING
+                       || (t -> class == OBERON_TYPE_POINTER && t -> base -> class == OBERON_TYPE_CHAR))
+               {
+                       jvm_generate(p, 2, 1, "invokestatic SYSTEM/STRCMP([B[B)I");
+                       jvm_generate(p, 1, 0, "if%s L%i", cmpop, label_true);
+               }
+               else
+               {
+                       jvm_generate(p, 1, 0, "if_acmp%s L%i", cmpop, label_true);
+               }
+       }
        else
        {
                jvm_generate(p, 2 * cell_size, 0, "if_%ccmp%s L%i", prefix, cmpop, label_true);
@@ -1641,3 +1657,75 @@ oberon_generate_assign(oberon_context_t * ctx, oberon_expr_t * src, oberon_expr_
 
        store_expr(p, dst, src);
 }
+
+void
+oberon_generate_copy(oberon_context_t * ctx, oberon_expr_t * src, oberon_expr_t * dst)
+{
+       gen_module_t * m;
+       gen_proc_t * p;
+       char * desc;
+
+       m = ctx -> mod -> gen_mod;
+       p = m -> class -> p;
+
+       push_expr(p, src);
+       push_expr(p, dst);
+
+       desc = jvm_get_descriptor(dst -> result);
+
+       jvm_generate(p, 2, 0, "invokestatic SYSTEM/COPY(%s%s)V", desc, desc);
+}
+
+void
+oberon_generate_assert(oberon_context_t * ctx, oberon_expr_t * cond)
+{
+       gen_module_t * m;
+       gen_proc_t * p;
+
+       m = ctx -> mod -> gen_mod;
+       p = m -> class -> p;
+
+       push_expr(p, cond);
+       jvm_generate(p, 1, 0, "invokestatic SYSTEM/ASSERT(Z)V");
+}
+
+void
+oberon_generate_assert_n(oberon_context_t * ctx, oberon_expr_t * cond, int64_t n)
+{
+       gen_module_t * m;
+       gen_proc_t * p;
+
+       m = ctx -> mod -> gen_mod;
+       p = m -> class -> p;
+
+       push_expr(p, cond);
+       jvm_generate_push_int_size(p, n, 8);
+       jvm_generate(p, 1 + 2, 0, "invokestatic SYSTEM/ASSERT(ZJ)V");
+}
+
+void
+oberon_generate_trap(oberon_context_t * ctx, int64_t n)
+{
+       gen_module_t * m;
+       gen_proc_t * p;
+
+       m = ctx -> mod -> gen_mod;
+       p = m -> class -> p;
+
+       jvm_generate_push_int_size(p, n, 8);
+       jvm_generate(p, 2, 0, "invokestatic SYSTEM/TRAP(J)V");
+}
+
+void
+oberon_generate_halt(oberon_context_t * ctx, int64_t n)
+{
+       gen_module_t * m;
+       gen_proc_t * p;
+
+       m = ctx -> mod -> gen_mod;
+       p = m -> class -> p;
+
+       jvm_generate_push_int_size(p, n, 8);
+       jvm_generate(p, 2, 0, "invokestatic SYSTEM/HALT(J)V");
+}
+