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Add comparisons to structs where all fields are comparable == and !=

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This commit is contained in:
gingerBill
2020-11-23 12:20:04 +00:00
parent 4379917c7d
commit 9e42cb1595
7 changed files with 292 additions and 53 deletions
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64
src/types.cpp
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@@ -1942,6 +1942,15 @@ bool is_type_comparable(Type *t) {
case Type_Opaque:
return is_type_comparable(t->Opaque.elem);
case Type_Struct:
for_array(i, t->Struct.fields) {
Entity *f = t->Struct.fields[i];
if (!is_type_comparable(f->type)) {
return false;
}
}
return true;
}
return false;
}
@@ -3401,6 +3410,58 @@ Type *reduce_tuple_to_single_type(Type *original_type) {
}
Type *alloc_type_struct_from_field_types(Type **field_types, isize field_count, bool is_packed) {
Type *t = alloc_type_struct();
t->Struct.fields = array_make<Entity *>(heap_allocator(), field_count);
Scope *scope = nullptr;
for_array(i, t->Struct.fields) {
t->Struct.fields[i] = alloc_entity_field(scope, blank_token, field_types[i], false, cast(i32)i, EntityState_Resolved);
}
t->Struct.is_packed = is_packed;
return t;
}
Type *alloc_type_tuple_from_field_types(Type **field_types, isize field_count, bool is_packed, bool must_be_tuple) {
if (field_count == 0) {
return nullptr;
}
if (!must_be_tuple && field_count == 1) {
return field_types[0];
}
Type *t = alloc_type_tuple();
t->Tuple.variables = array_make<Entity *>(heap_allocator(), field_count);
Scope *scope = nullptr;
for_array(i, t->Tuple.variables) {
t->Tuple.variables[i] = alloc_entity_param(scope, blank_token, field_types[i], false, false);
}
t->Tuple.is_packed = is_packed;
return t;
}
Type *alloc_type_proc_from_types(Type **param_types, unsigned param_count, Type *results, bool is_c_vararg, ProcCallingConvention calling_convention) {
Type *params = alloc_type_tuple_from_field_types(param_types, param_count, false, true);
isize results_count = 0;
if (results != nullptr) {
if (results->kind != Type_Tuple) {
results = alloc_type_tuple_from_field_types(&results, 1, false, true);
}
results_count = results->Tuple.variables.count;
}
Scope *scope = nullptr;
Type *t = alloc_type_proc(scope, params, param_count, results, results_count, false, calling_convention);
t->Proc.c_vararg = is_c_vararg;
return t;
}
gbString write_type_to_string(gbString str, Type *type) {
if (type == nullptr) {
return gb_string_appendc(str, "<no type>");
@@ -3719,3 +3780,6 @@ gbString type_to_string(Type *type) {
return write_type_to_string(gb_string_make(heap_allocator(), ""), type);
}