Move type operations to another structure

Every type has free, print, check_constraints, ber_decoder, der_encoder,
xer_decoder, xer_encoder, uper_decoder, uper_encoder and outmost_tag
operations. We move them out to a separate structure asn_TYPE_operation_t.

Combined with previous logic simplification, these operations are based
on ASN.1 basic types, constructed types and string types. So we can
reduce the space occupied by asn_TYPE_descriptor_t variables.
diff --git a/tests/tests-asn1c-compiler/65-multi-tag-OK.asn1.-Pfnative-types b/tests/tests-asn1c-compiler/65-multi-tag-OK.asn1.-Pfnative-types
index a4158fc..8d87556 100644
--- a/tests/tests-asn1c-compiler/65-multi-tag-OK.asn1.-Pfnative-types
+++ b/tests/tests-asn1c-compiler/65-multi-tag-OK.asn1.-Pfnative-types
@@ -44,17 +44,8 @@
 asn_TYPE_descriptor_t asn_DEF_T1 = {
 	"T1",
 	"T1",
-	NativeReal_free,
-	NativeReal_print,
-	NativeReal_compare,
+	&asn_OP_NativeReal,
 	NativeReal_constraint,
-	NativeReal_decode_ber,
-	NativeReal_encode_der,
-	NativeReal_decode_xer,
-	NativeReal_encode_xer,
-	0, 0,	/* No OER support, use "-gen-OER" to enable */
-	0, 0,	/* No PER support, use "-gen-PER" to enable */
-	0,	/* Use generic outmost tag fetcher */
 	asn_DEF_T1_tags_1,
 	sizeof(asn_DEF_T1_tags_1)
 		/sizeof(asn_DEF_T1_tags_1[0]), /* 4 */
@@ -111,17 +102,8 @@
 asn_TYPE_descriptor_t asn_DEF_T2 = {
 	"T2",
 	"T2",
-	NativeReal_free,
-	NativeReal_print,
-	NativeReal_compare,
+	&asn_OP_NativeReal,
 	NativeReal_constraint,
-	NativeReal_decode_ber,
-	NativeReal_encode_der,
-	NativeReal_decode_xer,
-	NativeReal_encode_xer,
-	0, 0,	/* No OER support, use "-gen-OER" to enable */
-	0, 0,	/* No PER support, use "-gen-PER" to enable */
-	0,	/* Use generic outmost tag fetcher */
 	asn_DEF_T2_tags_1,
 	sizeof(asn_DEF_T2_tags_1)
 		/sizeof(asn_DEF_T2_tags_1[0]), /* 3 */
@@ -176,17 +158,8 @@
 asn_TYPE_descriptor_t asn_DEF_T3 = {
 	"T3",
 	"T3",
-	NativeReal_free,
-	NativeReal_print,
-	NativeReal_compare,
+	&asn_OP_NativeReal,
 	NativeReal_constraint,
-	NativeReal_decode_ber,
-	NativeReal_encode_der,
-	NativeReal_decode_xer,
-	NativeReal_encode_xer,
-	0, 0,	/* No OER support, use "-gen-OER" to enable */
-	0, 0,	/* No PER support, use "-gen-PER" to enable */
-	0,	/* Use generic outmost tag fetcher */
 	asn_DEF_T3_tags_1,
 	sizeof(asn_DEF_T3_tags_1)
 		/sizeof(asn_DEF_T3_tags_1[0]), /* 2 */
@@ -236,17 +209,8 @@
 asn_TYPE_descriptor_t asn_DEF_T4 = {
 	"T4",
 	"T4",
-	NativeReal_free,
-	NativeReal_print,
-	NativeReal_compare,
+	&asn_OP_NativeReal,
 	NativeReal_constraint,
-	NativeReal_decode_ber,
-	NativeReal_encode_der,
-	NativeReal_decode_xer,
-	NativeReal_encode_xer,
-	0, 0,	/* No OER support, use "-gen-OER" to enable */
-	0, 0,	/* No PER support, use "-gen-PER" to enable */
-	0,	/* Use generic outmost tag fetcher */
 	asn_DEF_T4_tags_1,
 	sizeof(asn_DEF_T4_tags_1)
 		/sizeof(asn_DEF_T4_tags_1[0]) - 1, /* 2 */
@@ -295,17 +259,8 @@
 asn_TYPE_descriptor_t asn_DEF_T5 = {
 	"T5",
 	"T5",
-	NativeReal_free,
-	NativeReal_print,
-	NativeReal_compare,
+	&asn_OP_NativeReal,
 	NativeReal_constraint,
-	NativeReal_decode_ber,
-	NativeReal_encode_der,
-	NativeReal_decode_xer,
-	NativeReal_encode_xer,
-	0, 0,	/* No OER support, use "-gen-OER" to enable */
-	0, 0,	/* No PER support, use "-gen-PER" to enable */
-	0,	/* Use generic outmost tag fetcher */
 	asn_DEF_T5_tags_1,
 	sizeof(asn_DEF_T5_tags_1)
 		/sizeof(asn_DEF_T5_tags_1[0]) - 1, /* 1 */
@@ -353,17 +308,8 @@
 asn_TYPE_descriptor_t asn_DEF_T6 = {
 	"T6",
 	"T6",
-	NativeReal_free,
-	NativeReal_print,
-	NativeReal_compare,
+	&asn_OP_NativeReal,
 	NativeReal_constraint,
-	NativeReal_decode_ber,
-	NativeReal_encode_der,
-	NativeReal_decode_xer,
-	NativeReal_encode_xer,
-	0, 0,	/* No OER support, use "-gen-OER" to enable */
-	0, 0,	/* No PER support, use "-gen-PER" to enable */
-	0,	/* Use generic outmost tag fetcher */
 	asn_DEF_T6_tags_1,
 	sizeof(asn_DEF_T6_tags_1)
 		/sizeof(asn_DEF_T6_tags_1[0]), /* 1 */
@@ -413,17 +359,8 @@
 asn_TYPE_descriptor_t asn_DEF_T = {
 	"T",
 	"T",
-	SEQUENCE_free,
-	SEQUENCE_print,
-	SEQUENCE_compare,
+	&asn_OP_SEQUENCE,
 	SEQUENCE_constraint,
-	SEQUENCE_decode_ber,
-	SEQUENCE_encode_der,
-	SEQUENCE_decode_xer,
-	SEQUENCE_encode_xer,
-	0, 0,	/* No OER support, use "-gen-OER" to enable */
-	0, 0,	/* No PER support, use "-gen-PER" to enable */
-	0,	/* Use generic outmost tag fetcher */
 	asn_DEF_T_tags_1,
 	sizeof(asn_DEF_T_tags_1)
 		/sizeof(asn_DEF_T_tags_1[0]) - 2, /* 1 */
@@ -519,17 +456,8 @@
 asn_TYPE_descriptor_t asn_DEF_Ts = {
 	"Ts",
 	"Ts",
-	SEQUENCE_free,
-	SEQUENCE_print,
-	SEQUENCE_compare,
+	&asn_OP_SEQUENCE,
 	SEQUENCE_constraint,
-	SEQUENCE_decode_ber,
-	SEQUENCE_encode_der,
-	SEQUENCE_decode_xer,
-	SEQUENCE_encode_xer,
-	0, 0,	/* No OER support, use "-gen-OER" to enable */
-	0, 0,	/* No PER support, use "-gen-PER" to enable */
-	0,	/* Use generic outmost tag fetcher */
 	asn_DEF_Ts_tags_1,
 	sizeof(asn_DEF_Ts_tags_1)
 		/sizeof(asn_DEF_Ts_tags_1[0]) - 1, /* 1 */