TEST_F(BuildFromXmlUnionAlign, align1_basic) {
parseMeta(
"<metalib tagsetversion='1' name='net' version='10'>"
" <union name='S1' version='1' id='33'>"
" <entry name='b1' type='int8'/>"
" <entry name='b2' type='int16'/>"
" </union>"
" <struct name='S2' version='1' id='34'>"
" <entry name='a1' type='int8'/>"
" <entry name='m_u' type='S1'/>"
" </struct>"
"</metalib>"
);
ASSERT_TRUE(t_em_no_error());
EXPECT_EQ(1, dr_meta_align(meta("S1")));
EXPECT_EQ((size_t)2, dr_meta_size(meta("S1")));
EXPECT_EQ(0, entry("S1", "b1")->m_data_start_pos);
EXPECT_EQ(0, entry("S1", "b2")->m_data_start_pos);
EXPECT_EQ(1, dr_meta_align(meta("S2")));
EXPECT_EQ((size_t)3, dr_meta_size(meta("S2")));
EXPECT_EQ(0, entry("S2", "a1")->m_data_start_pos);
EXPECT_EQ(1, entry("S2", "m_u")->m_data_start_pos);
}
int entryCount(void) const { return dr_meta_align(*this); }
static void cpe_dr_generate_h_metas(write_stream_t stream, dr_metalib_source_t source, cpe_dr_generate_ctx_t ctx) {
struct dr_metalib_source_element_it element_it;
dr_metalib_source_element_t element;
int curent_pack;
int packed;
curent_pack = 0;
packed = 0;
dr_metalib_source_elements(&element_it, source);
while((element = dr_metalib_source_element_next(&element_it))) {
LPDRMETA meta;
int entry_pos;
if (dr_metalib_source_element_type(element) != dr_metalib_source_element_type_meta) continue;
meta = dr_lib_find_meta_by_name(ctx->m_metalib, dr_metalib_source_element_name(element));
if (meta == NULL) continue;
if (dr_meta_align(meta) != curent_pack) {
stream_printf(stream, "\n#pragma pack(1)\n");
curent_pack = dr_meta_align(meta);
packed = 1;
}
stream_printf(stream, "\nstruct %s {", dr_meta_name(meta));
for(entry_pos = 0; entry_pos < dr_meta_entry_num(meta); ++entry_pos) {
LPDRMETAENTRY entry = dr_meta_entry_at(meta, entry_pos);
stream_printf(stream, "\n");
stream_printf(stream, " ");
switch(dr_entry_type(entry)) {
case CPE_DR_TYPE_UNION:
case CPE_DR_TYPE_STRUCT: {
LPDRMETA ref_meta;
ref_meta = dr_entry_ref_meta(entry);
if (ref_meta == NULL) continue;
stream_printf(stream, "%s %s %s", dr_type_name(dr_entry_type(entry)), dr_meta_name(ref_meta), dr_entry_name(entry));
break;
}
case CPE_DR_TYPE_STRING: {
stream_printf(stream, "char %s[%d]", dr_entry_name(entry), dr_entry_size(entry));
break;
}
default: {
stream_printf(stream, "%s_t %s", dr_type_name(dr_entry_type(entry)), dr_entry_name(entry));
break;
}
}
if (dr_entry_array_count(entry) != 1) {
stream_printf(stream, "[%d]", dr_entry_array_count(entry) < 1 ? 1 : dr_entry_array_count(entry));
}
stream_printf(stream, ";");
}
stream_printf(stream, "\n};\n");
}
if (packed) {
stream_printf(stream, "\n#pragma pack()\n\n");
}
}
int align(void) const { return dr_meta_align(*this); }
