A decent union type with common fields and variants

This commit is contained in:
Ginger Bill
2017-02-21 21:21:54 +00:00
parent a94dfdf21d
commit 047c0e4bcc
10 changed files with 678 additions and 389 deletions
+46 -4
View File
@@ -215,11 +215,36 @@ buffer_write_type :: proc(buf: ^Buffer, ti: ^Type_Info) {
case Union:
buffer_write_string(buf, "union {");
for name, i in info.names {
cf := info.common_fields;
total_count := 0;
for name, i in cf.names {
if i > 0 {
buffer_write_string(buf, ", ");
}
buffer_write_string(buf, name);
buffer_write_string(buf, ": ");
buffer_write_type(buf, info.types[i]);
buffer_write_byte(buf, ',');
buffer_write_type(buf, cf.types[i]);
total_count += 1;
}
for name, i in info.variant_names {
if i > 0 || total_count > 0 {
buffer_write_string(buf, ", ");
}
buffer_write_string(buf, name);
buffer_write_byte(buf, '{');
defer buffer_write_byte(buf, '}');
variant_type := type_info_base(info.variant_types[i]);
variant := union_cast(^Struct)variant_type;
for j in cf.names.count..<variant.names.count {
if j > 0 {
buffer_write_byte(buf, ',');
}
buffer_write_string(buf, variant.names[j]);
buffer_write_string(buf, ": ");
buffer_write_type(buf, variant.types[j]);
}
}
buffer_write_string(buf, "}");
@@ -687,6 +712,9 @@ fmt_enum :: proc(fi: ^Fmt_Info, v: any, verb: rune) {
break;
}
}
} else if e.values.count == 0 {
buffer_write_string(fi.buf, "");
ok = true;
} else {
for it, idx in e.values {
if it.f == f {
@@ -864,7 +892,21 @@ fmt_value :: proc(fi: ^Fmt_Info, v: any, verb: rune) {
}
case Union:
buffer_write_string(fi.buf, "(union)");
buffer_write_byte(fi.buf, '{');
defer buffer_write_byte(fi.buf, '}');
cf := info.common_fields;
for _, i in cf.names {
if i > 0 {
buffer_write_string(fi.buf, ", ");
}
buffer_write_string(fi.buf, cf.names[i]);
buffer_write_string(fi.buf, " = ");
data := cast(^byte)v.data + cf.offsets[i];
fmt_value(fi, any{cf.types[i], cast(rawptr)data}, 'v');
}
case Raw_Union:
buffer_write_string(fi.buf, "(raw_union)");