Begin Type_Info

Missing stuff in records, procedures, and tuples
This commit is contained in:
Ginger Bill
2016-09-07 14:03:17 +01:00
parent 455820fc84
commit 61fcfd6f3d
13 changed files with 479 additions and 1199 deletions

View File

@@ -31,27 +31,6 @@ b32 ssa_gen_init(ssaGen *s, Checker *c) {
if (err != gbFileError_None)
return false;
#if 0
Map<i32> type_map; // Key: Type *
map_init(&type_map, gb_heap_allocator());
i32 index = 0;
gb_for_array(i, c->info.types.entries) {
TypeAndValue tav = c->info.types.entries[i].value;
Type *type = tav.type;
HashKey key = hash_pointer(type);
auto found = map_get(&type_map, key);
if (!found) {
map_set(&type_map, key, index);
index++;
}
}
gb_for_array(i, type_map.entries) {
auto *e = &type_map.entries[i];
Type *t = cast(Type *)cast(uintptr)e->key.key;
gb_printf("%s\n", type_to_string(t));
}
#endif
return true;
}
@@ -199,6 +178,149 @@ void ssa_gen_tree(ssaGen *s) {
}
}
{ // NOTE(bill): Setup type_info data
ssaValue **found = map_get(&proc->module->members, hash_string(make_string("__type_info_data")));
GB_ASSERT(found != NULL);
ssaValue *type_info_data = *found;
CheckerInfo *info = proc->module->info;
Type *t_int_ptr = make_type_pointer(a, t_int);
Type *t_bool_ptr = make_type_pointer(a, t_bool);
Type *t_string_ptr = make_type_pointer(a, t_string);
Type *t_type_info_ptr_ptr = make_type_pointer(a, t_type_info_ptr);
auto get_type_info_ptr = [](ssaProcedure *proc, ssaValue *type_info_data, Type *type) -> ssaValue * {
auto *info = proc->module->info;
MapFindResult fr = map__find(&info->type_info_types, hash_pointer(type));
GB_ASSERT(fr.entry_index >= 0);
return ssa_emit_struct_gep(proc, type_info_data, fr.entry_index, t_type_info_ptr);
};
gb_for_array(entry_index, info->type_info_types.entries) {
auto *entry = &info->type_info_types.entries[entry_index];
Type *t = entry->value;
ssaValue *tag = NULL;
switch (t->kind) {
case Type_Named: {
tag = ssa_add_local_generated(proc, t_type_info_named);
ssaValue *gsa = ssa_add_global_string_array(proc, make_exact_value_string(t->Named.name));
ssaValue *elem = ssa_array_elem(proc, gsa);
ssaValue *len = ssa_array_len(proc, ssa_emit_load(proc, gsa));
ssaValue *name = ssa_emit_string(proc, elem, len);
ssaValue *gep = get_type_info_ptr(proc, type_info_data, t->Named.base);
ssa_emit_store(proc, ssa_emit_struct_gep(proc, tag, v_zero, t_string_ptr), name);
ssa_emit_store(proc, ssa_emit_struct_gep(proc, tag, v_one32, t_type_info_ptr), gep);
} break;
case Type_Basic:
switch (t->Basic.kind) {
case Basic_bool:
tag = ssa_add_local_generated(proc, t_type_info_boolean);
break;
case Basic_i8:
case Basic_i16:
case Basic_i32:
case Basic_i64:
case Basic_i128:
case Basic_u8:
case Basic_u16:
case Basic_u32:
case Basic_u64:
case Basic_u128:
case Basic_int:
case Basic_uint: {
tag = ssa_add_local_generated(proc, t_type_info_integer);
b32 is_unsigned = (basic_types[t->Basic.kind].flags & BasicFlag_Unsigned) != 0;
ssaValue *bits = ssa_make_value_constant(a, t_int, make_exact_value_integer(8*type_size_of(m->sizes, a, t)));
ssaValue *is_signed = ssa_make_value_constant(a, t_bool, make_exact_value_bool(!is_unsigned));
ssa_emit_store(proc, ssa_emit_struct_gep(proc, tag, v_zero32, t_int_ptr), bits);
ssa_emit_store(proc, ssa_emit_struct_gep(proc, tag, v_one32, t_bool_ptr), is_signed);
} break;
case Basic_f32:
case Basic_f64: {
tag = ssa_add_local_generated(proc, t_type_info_float);
ssaValue *bits = ssa_make_value_constant(a, t_int, make_exact_value_integer(8*type_size_of(m->sizes, a, t)));
ssa_emit_store(proc, ssa_emit_struct_gep(proc, tag, v_zero32, t_int_ptr), bits);
} break;
case Basic_rawptr:
tag = ssa_add_local_generated(proc, t_type_info_pointer);
break;
case Basic_string:
tag = ssa_add_local_generated(proc, t_type_info_string);
break;
}
break;
case Type_Pointer: {
tag = ssa_add_local_generated(proc, t_type_info_pointer);
ssaValue *gep = get_type_info_ptr(proc, type_info_data, t->Pointer.elem);
ssa_emit_store(proc, ssa_emit_struct_gep(proc, tag, v_zero32, t_type_info_ptr_ptr), gep);
} break;
case Type_Array: {
tag = ssa_add_local_generated(proc, t_type_info_array);
ssaValue *gep = get_type_info_ptr(proc, type_info_data, t->Array.elem);
ssa_emit_store(proc, ssa_emit_struct_gep(proc, tag, v_zero32, t_type_info_ptr_ptr), gep);
} break;
case Type_Slice: {
tag = ssa_add_local_generated(proc, t_type_info_slice);
ssaValue *gep = get_type_info_ptr(proc, type_info_data, t->Slice.elem);
ssa_emit_store(proc, ssa_emit_struct_gep(proc, tag, v_zero32, t_type_info_ptr_ptr), gep);
} break;
case Type_Vector: {
tag = ssa_add_local_generated(proc, t_type_info_vector);
ssaValue *gep = get_type_info_ptr(proc, type_info_data, t->Vector.elem);
ssa_emit_store(proc, ssa_emit_struct_gep(proc, tag, v_zero32, t_type_info_ptr_ptr), gep);
} break;
case Type_Record: {
switch (t->Record.kind) {
// TODO(bill): Record members for `Type_Info`
case TypeRecord_Struct:
tag = ssa_add_local_generated(proc, t_type_info_struct);
break;
case TypeRecord_Union:
tag = ssa_add_local_generated(proc, t_type_info_union);
break;
case TypeRecord_RawUnion:
tag = ssa_add_local_generated(proc, t_type_info_raw_union);
break;
case TypeRecord_Enum: {
tag = ssa_add_local_generated(proc, t_type_info_enum);
Type *enum_base = t->Record.enum_base;
if (enum_base == NULL) {
enum_base = t_int;
}
ssaValue *gep = get_type_info_ptr(proc, type_info_data, enum_base);
ssa_emit_store(proc, ssa_emit_struct_gep(proc, tag, v_zero32, t_type_info_ptr_ptr), gep);
} break;
}
} break;
case Type_Tuple:
// TODO(bill): Type_Info for tuples
break;
case Type_Proc:
// TODO(bill): Type_Info for procedures
break;
}
if (tag != NULL) {
ssaValue *gep = ssa_emit_struct_gep(proc, type_info_data, entry_index, t_type_info_ptr);
ssaValue *val = ssa_emit_conv(proc, ssa_emit_load(proc, tag), t_type_info);
ssa_emit_store(proc, gep, val);
}
}
}
ssa_end_procedure_body(proc);
}