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Begin work on setting up type information table

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This commit is contained in:
gingerBill
2023-07-24 17:12:23 +01:00
parent 28fca190ee
commit 28c97a9467
5 changed files with 366 additions and 19 deletions
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src/tilde_const.cpp
+70 -2
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@@ -143,6 +143,33 @@ gb_internal TB_Global *cg_global_const_string(cgModule *m, String const &str, Ty
return global;
}
gb_internal void cg_global_source_code_location_const(cgModule *m, String const &proc_name, TokenPos pos, TB_Global *global, i64 offset) {
// Source_Code_Location :: struct {
// file_path: string,
// line, column: i32,
// procedure: string,
// }
i64 file_path_offset = type_offset_of(t_source_code_location, 0);
i64 line_offset = type_offset_of(t_source_code_location, 1);
i64 column_offset = type_offset_of(t_source_code_location, 2);
i64 procedure_offset = type_offset_of(t_source_code_location, 3);
String file_path = get_file_path_string(pos.file_id);
if (file_path.len != 0) {
cg_global_const_string(m, file_path, t_string, global, offset+file_path_offset);
}
void *line_ptr = tb_global_add_region(m->mod, global, offset+line_offset, 4);
void *column_ptr = tb_global_add_region(m->mod, global, offset+column_offset, 4);
cg_write_int_at_ptr(line_ptr, pos.line, t_i32);
cg_write_int_at_ptr(column_ptr, pos.column, t_i32);
if (proc_name.len != 0) {
cg_global_const_string(m, proc_name, t_string, global, offset+procedure_offset);
}
}
gb_internal bool cg_elem_type_can_be_constant(Type *t) {
t = base_type(t);
if (t == t_invalid) {
@@ -201,10 +228,11 @@ gb_internal i64 cg_global_const_calculate_region_count_from_basic_type(Type *typ
return 1;
case Type_Pointer:
case Type_MultiPointer:
return 2; // allows for offsets
case Type_Proc:
return true;
return 1;
case Type_Slice:
return 2;
return 3; // alows for offsets
case Type_DynamicArray:
return 5;
case Type_Map:
@@ -221,6 +249,46 @@ gb_internal i64 cg_global_const_calculate_region_count_from_basic_type(Type *typ
case Type_Matrix:
return 1;
case Type_Array:
{
Type *elem = type->Array.elem;
i64 count = cg_global_const_calculate_region_count_from_basic_type(elem);
return count*type->Array.count;
}
case Type_EnumeratedArray:
{
Type *elem = type->EnumeratedArray.elem;
i64 count = cg_global_const_calculate_region_count_from_basic_type(elem);
return count*type->EnumeratedArray.count;
}
case Type_Struct:
if (type->Struct.is_raw_union) {
i64 max_count = 0;
for (Entity *f : type->Struct.fields) {
i64 count = cg_global_const_calculate_region_count_from_basic_type(f->type);
max_count = gb_max(count, max_count);
}
return max_count;
} else {
i64 max_count = 0;
for (Entity *f : type->Struct.fields) {
max_count += cg_global_const_calculate_region_count_from_basic_type(f->type);
}
return max_count;
}
break;
case Type_Union:
{
i64 max_count = 0;
for (Type *t : type->Union.variants) {
i64 count = cg_global_const_calculate_region_count_from_basic_type(t);
max_count = gb_max(count, max_count);
}
return max_count+1;
}
break;
default:
GB_PANIC("TODO(bill): %s", type_to_string(type));
break;