X-Git-Url: http://deadsoftware.ru/gitweb?p=dsw-obn.git;a=blobdiff_plain;f=src%2Fbackends%2Fjvm%2Fgenerator-jvm.c;h=fe8bc003d149bb4640fef9bad7792572aa500c11;hp=e6a26bdbb3d8230733f43e5f4232869f3fea786d;hb=9bcd389a97869b2ab6b1c6fdc35c0f09beab66c5;hpb=72048038b5be32cc940c8452541b8bb3e75958a9

diff --git a/src/backends/jvm/generator-jvm.c b/src/backends/jvm/generator-jvm.c
index e6a26bd..fe8bc00 100644
--- a/src/backends/jvm/generator-jvm.c
+++ b/src/backends/jvm/generator-jvm.c
@@ -885,6 +885,7 @@ oberon_generator_init_type(oberon_context_t * ctx, oberon_type_t * type)
 		case OBERON_TYPE_REAL:
 		case OBERON_TYPE_CHAR:
 		case OBERON_TYPE_STRING:
+		case OBERON_TYPE_SET:
 			break;
 		case OBERON_TYPE_RECORD:
 			;
@@ -1472,6 +1473,7 @@ push_item(gen_proc_t * p, oberon_item_t * item)
 			break;
 		case MODE_INTEGER:
 		case MODE_CHAR:
+		case MODE_SET:
 			jvm_generate_push_int_size(p, item -> integer, item -> result -> size);
 			break;
 		case MODE_BOOLEAN:
@@ -1613,16 +1615,17 @@ jvm_generate_compare_op(gen_proc_t * p, oberon_type_t * t, int op)
 }
 
 static void
-jvm_generate_operator(gen_proc_t * p, oberon_type_t * t, char prefix, int op)
+jvm_generate_operator(gen_proc_t * p, oberon_type_t * t, int op)
 {
-	int cell_size = jvm_cell_size_for_postfix(prefix);
+	char prefix = jvm_get_prefix(t);
+	int cell_size = jvm_cell_size_for_type(t);
 	switch(op)
 	{
 		case OP_UNARY_MINUS:
 			jvm_generate(p, cell_size, cell_size, "%cneg", prefix);
 			break;
-		case OP_BITWISE_NOT:
-			jvm_generate_push_int(p, -1);
+		case OP_COMPLEMENTATION:
+			jvm_generate_push_int_size(p, -1, t -> size);
 			jvm_generate(p, 2 * cell_size, cell_size, "%cxor", prefix);
 			break;
 		case OP_LOGIC_NOT:
@@ -1647,14 +1650,19 @@ jvm_generate_operator(gen_proc_t * p, oberon_type_t * t, char prefix, int op)
 		case OP_MOD:
 			jvm_generate(p, 2 * cell_size, cell_size, "%crem", prefix);
 			break;
-		case OP_BITWISE_AND:
+		case OP_UNION:
+			jvm_generate(p, 2 * cell_size, cell_size, "%cor", prefix);
+			break;
+		case OP_INTERSECTION:
 			jvm_generate(p, 2 * cell_size, cell_size, "%cand", prefix);
 			break;
-		case OP_BITWISE_XOR:
+		case OP_DIFFERENCE:
+			jvm_generate_push_int_size(p, -1, t -> size);
 			jvm_generate(p, 2 * cell_size, cell_size, "%cxor", prefix);
+			jvm_generate(p, 2 * cell_size, cell_size, "%cand", prefix);
 			break;
-		case OP_BITWISE_OR:
-			jvm_generate(p, 2 * cell_size, cell_size, "%cor", prefix);
+		case OP_SYM_DIFFERENCE:
+			jvm_generate(p, 2 * cell_size, cell_size, "%cxor", prefix);
 			break;
 
 		case OP_EQ:
@@ -1709,11 +1717,71 @@ jvm_generate_logical_and(gen_proc_t * p, oberon_expr_t * a, oberon_expr_t * b)
 	jvm_generate_label(p, label_done);
 }
 
+static void
+jvm_generate_range(gen_proc_t * p, oberon_expr_t * a, oberon_expr_t * b)
+{
+	/* { a } == 1 << a */
+	/* { a..b } == (a <= b) ? ((2 << b) - (1 << a)) : (0); */
+
+	char prefix;
+	int cell_size;
+	oberon_type_t * t;
+	gen_var_t * ra;
+	gen_var_t * rb;
+	int label_else;
+	int label_end;
+	bool wide;
+
+	t = a -> result;
+	cell_size = jvm_cell_size_for_type(t);
+	prefix = jvm_get_prefix(t);
+
+	if(b == NULL)
+	{
+		jvm_generate_push_int_size(p, 1, t -> size);
+		push_expr(p, a);
+		jvm_generate(p, 2 * cell_size, cell_size, "%cshl", prefix);
+	}
+	else
+	{
+		wide = jvm_is_wide_type(t);
+		ra = oberon_generator_new_var();
+		rb = oberon_generator_new_var();
+		jvm_generate_and_init_local_var(ra, p, wide);
+		jvm_generate_and_init_local_var(rb, p, wide);
+		label_else = jvm_new_label_id(p);
+		label_end = jvm_new_label_id(p);
+
+		push_expr(p, a);
+		jvm_generate_store(p, t, ra);
+		push_expr(p, b);
+		jvm_generate_store(p, t, rb);
+
+		jvm_generate_load(p, t, ra);
+		jvm_generate_load(p, t, rb);
+		jvm_generate(p, 2 * cell_size, 0, "if_%ccmpgt L%i", prefix, label_else);
+
+		jvm_generate_push_int_size(p, 2, t -> size);
+		jvm_generate_load(p, t, rb);
+		jvm_generate(p, 2 * cell_size, cell_size, "%cshl", prefix);
+		jvm_generate_push_int_size(p, 2, t -> size);
+		jvm_generate_load(p, t, ra);
+		jvm_generate(p, 2 * cell_size, cell_size, "%cshl", prefix);
+		jvm_generate(p, 2 * cell_size, cell_size, "%csub", prefix);
+		jvm_generate(p, 0, 0, "goto L%i", label_end);
+
+		jvm_generate_label(p, label_else);
+		jvm_generate_push_int_size(p, 0, t -> size);
+		jvm_generate_label(p, label_end);
+	}
+
+	/* TODO free registers */
+}
+
 static void
 push_operator(gen_proc_t * p, oberon_oper_t * oper)
 {
 	oberon_type_t * preq = oper -> left -> result;
-	char prefix = jvm_get_prefix(oper -> result);
 	int op = oper -> op;
 	switch(op)
 	{
@@ -1721,12 +1789,12 @@ 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_COMPLEMENTATION:
 		case OP_UNARY_MINUS:
-		case OP_BITWISE_NOT:
 		case OP_LOGIC_NOT:
 		case OP_ABS:
 			push_expr(p, oper -> left);
-			jvm_generate_operator(p, preq, prefix, op);
+			jvm_generate_operator(p, preq, op);
 			break;
 
 		case OP_ADD:
@@ -1734,9 +1802,11 @@ push_operator(gen_proc_t * p, oberon_oper_t * oper)
 		case OP_MUL:
 		case OP_DIV:
 		case OP_MOD:
-		case OP_BITWISE_AND:
-		case OP_BITWISE_XOR:
-		case OP_BITWISE_OR:
+
+		case OP_UNION:
+		case OP_INTERSECTION:
+		case OP_DIFFERENCE:
+		case OP_SYM_DIFFERENCE:
 
 		case OP_EQ:
 		case OP_NEQ:
@@ -1746,7 +1816,7 @@ push_operator(gen_proc_t * p, oberon_oper_t * oper)
 		case OP_GEQ:
 			push_expr(p, oper -> left);
 			push_expr(p, oper -> right);
-			jvm_generate_operator(p, preq, prefix, op);
+			jvm_generate_operator(p, preq, op);
 			break;
 
 		case OP_LOGIC_OR:
@@ -1762,6 +1832,9 @@ push_operator(gen_proc_t * p, oberon_oper_t * oper)
 			push_expr(p, oper -> left);
 			jvm_generate(p, 1, 1, "instanceof %s", cname);
 			break;
+		case OP_RANGE:
+			jvm_generate_range(p, oper -> left, oper -> right);
+			break;
 		default:
 			gen_error("push_oper: unk op %i", op);
 			break;