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Finished draft pass verifying containers.array.hpp is equivalent to container.hpp's array.

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gen_generic_selection_function_macro now works generically
Imprvoed _Generic function overloading examples
This commit is contained in:
Edward R. Gonzalez
2024-12-05 21:01:04 -05:00
parent 8bb2bc7b1b
commit 266163557f
8 changed files with 251 additions and 113 deletions
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155
gen_c_library/components/containers.array.hpp
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@@ -34,15 +34,19 @@ CodeBody gen_array( StrC type, StrC array_name )
#pragma push_macro( "GEN_ASSERT" )
#pragma push_macro( "rcast" )
#pragma push_macro( "cast" )
#pragma push_macro( "typeof" )
#pragma push_macro( "forceinline" )
#undef GEN_ASSERT
#undef rcast
#undef cast
#undef typeof
#undef forceinline
CodeBody result = parse_global_body( token_fmt( "array_type", (StrC)array_type, "fn", (StrC)fn, "type", (StrC)type
, stringize(
typedef <type>* <array_type>;
void <fn>_init ( <array_type>* self, AllocatorInfo allocator );
void <fn>_init_reserve ( <array_type>* self, AllocatorInfo allocator, usize capacity );
<array_type> <fn>_init ( AllocatorInfo allocator );
<array_type> <fn>_init_reserve ( AllocatorInfo allocator, usize capacity );
bool <fn>_append_array ( <array_type>* self, <array_type> other );
bool <fn>_append ( <array_type>* self, <type> value );
bool <fn>_append_items ( <array_type>* self, <type>* items, usize item_num );
@@ -60,33 +64,40 @@ CodeBody gen_array( StrC type, StrC array_name )
bool <fn>_resize ( <array_type>* self, usize num );
bool <fn>_set_capacity ( <array_type>* self, usize new_capacity );
void <fn>_init( <array_type>* self, AllocatorInfo allocator )
forceinline
<array_type> <fn>_init( AllocatorInfo allocator )
{
size_t initial_size = array_grow_formula(0);
array_init_reserve( * self, allocator, initial_size );
return array_init_reserve( <array_type>, allocator, initial_size );
}
void <fn>_init_reserve( <array_type>* self, AllocatorInfo allocator, usize capacity )
inline
<array_type> <fn>_init_reserve( AllocatorInfo allocator, usize capacity )
{
GEN_ASSERT(capacity > 0);
ArrayHeader* header = rcast(ArrayHeader*, alloc(allocator, sizeof(ArrayHeader) + sizeof(<type>) * capacity));
if (header == nullptr)
self = nullptr;
return nullptr;
header->Allocator = allocator;
header->Capacity = capacity;
header->Num = 0;
self = rcast(<array_type>*, header + 1);
return rcast(<type>*, header + 1);
}
forceinline
bool <fn>_append_array( <array_type>* self, <array_type> other )
{
return array_append_items( * self, (<array_type>)other, <fn>_num(other));
}
inline
bool <fn>_append( <array_type>* self, <type> value )
{
GEN_ASSERT( self != nullptr);
GEN_ASSERT(* self != nullptr);
ArrayHeader* header = array_get_header( * self );
if ( header->Num == header->Capacity )
@@ -103,8 +114,13 @@ CodeBody gen_array( StrC type, StrC array_name )
return true;
}
inline
bool <fn>_append_items( <array_type>* self, <type>* items, usize item_num )
{
GEN_ASSERT( self != nullptr);
GEN_ASSERT(* self != nullptr);
GEN_ASSERT(items != nullptr);
GEN_ASSERT(item_num > 0);
ArrayHeader* header = array_get_header( * self );
if ( header->Num + item_num > header->Capacity )
@@ -121,8 +137,11 @@ CodeBody gen_array( StrC type, StrC array_name )
return true;
}
inline
bool <fn>_append_at( <array_type>* self, <type> item, usize idx )
{
GEN_ASSERT( self != nullptr);
GEN_ASSERT(* self != nullptr);
ArrayHeader* header = array_get_header( * self );
if ( idx >= header->Num )
@@ -147,8 +166,11 @@ CodeBody gen_array( StrC type, StrC array_name )
return true;
}
inline
bool <fn>_append_items_at( <array_type>* self, <type>* items, usize item_num, usize idx )
{
GEN_ASSERT( self != nullptr);
GEN_ASSERT(* self != nullptr);
ArrayHeader* header = array_get_header( * self );
if ( idx >= header->Num )
@@ -174,8 +196,10 @@ CodeBody gen_array( StrC type, StrC array_name )
return true;
}
inline
<type>* <fn>_back( <array_type> self )
{
GEN_ASSERT(self != nullptr);
ArrayHeader* header = array_get_header( self );
if ( header->Num == 0 )
@@ -184,14 +208,19 @@ CodeBody gen_array( StrC type, StrC array_name )
return self + header->Num - 1;
}
inline
void <fn>_clear( <array_type> self )
{
GEN_ASSERT(self != nullptr);
ArrayHeader* header = array_get_header( self );
header->Num = 0;
}
inline
bool <fn>_fill( <array_type> self, usize begin, usize end, <type> value )
{
GEN_ASSERT(self != nullptr);
GEN_ASSERT(begin <= end);
ArrayHeader* header = array_get_header( self );
if ( begin < 0 || end >= header->Num )
@@ -203,17 +232,24 @@ CodeBody gen_array( StrC type, StrC array_name )
return true;
}
inline
void <fn>_free( <array_type>* self )
{
GEN_ASSERT( self != nullptr);
GEN_ASSERT(* self != nullptr);
ArrayHeader* header = array_get_header( * self );
allocator_free( header->Allocator, header );
self = NULL;
}
inline
bool <fn>_grow( <array_type>* self, usize min_capacity )
{
ArrayHeader* header = array_get_header( *self );
usize new_capacity = array_grow_formula( header->Capacity );
GEN_ASSERT( self != nullptr);
GEN_ASSERT(* self != nullptr);
GEN_ASSERT( min_capacity > 0 );
ArrayHeader* header = array_get_header( *self );
usize new_capacity = array_grow_formula( header->Capacity );
if ( new_capacity < min_capacity )
new_capacity = min_capacity;
@@ -221,13 +257,17 @@ CodeBody gen_array( StrC type, StrC array_name )
return array_set_capacity( self, new_capacity );
}
forceinline
usize <fn>_num( <array_type> self )
{
GEN_ASSERT( self != nullptr);
return array_get_header(self)->Num;
}
inline
<type> <fn>_pop( <array_type> self )
{
GEN_ASSERT( self != nullptr);
ArrayHeader* header = array_get_header( self );
GEN_ASSERT( header->Num > 0 );
@@ -236,8 +276,10 @@ CodeBody gen_array( StrC type, StrC array_name )
return result;
}
forceinline
void <fn>_remove_at( <array_type> self, usize idx )
{
GEN_ASSERT( self != nullptr);
ArrayHeader* header = array_get_header( self );
GEN_ASSERT( idx < header->Num );
@@ -245,8 +287,12 @@ CodeBody gen_array( StrC type, StrC array_name )
header->Num--;
}
inline
bool <fn>_reserve( <array_type>* self, usize new_capacity )
{
GEN_ASSERT( self != nullptr);
GEN_ASSERT(* self != nullptr);
GEN_ASSERT(new_capacity > 0);
ArrayHeader* header = array_get_header( * self );
if ( header->Capacity < new_capacity )
@@ -255,8 +301,12 @@ CodeBody gen_array( StrC type, StrC array_name )
return true;
}
inline
bool <fn>_resize( <array_type>* self, usize num )
{
GEN_ASSERT( self != nullptr);
GEN_ASSERT(* self != nullptr);
GEN_ASSERT(num > 0);
ArrayHeader* header = array_get_header( * self );
if ( header->Capacity < num )
@@ -271,26 +321,34 @@ CodeBody gen_array( StrC type, StrC array_name )
return true;
}
inline
bool <fn>_set_capacity( <array_type>* self, usize new_capacity )
{
GEN_ASSERT( self != nullptr);
GEN_ASSERT(* self != nullptr);
GEN_ASSERT( new_capacity > 0 );
ArrayHeader* header = array_get_header( * self );
if ( new_capacity == header->Capacity )
return true;
if ( new_capacity < header->Num )
{
header->Num = new_capacity;
return true;
}
usize size = sizeof( ArrayHeader ) + sizeof( <type> ) * new_capacity;
usize size = sizeof( ArrayHeader ) + sizeof( <type> ) * new_capacity;
ArrayHeader* new_header = cast( ArrayHeader*, alloc( header->Allocator, size ));
if ( new_header == NULL )
return false;
mem_move( new_header, header, sizeof( ArrayHeader ) + sizeof( <type> ) * header->Num );
new_header->Capacity = new_capacity;
allocator_free( header->Allocator, & header );
new_header->Capacity = new_capacity;
* self = cast( <type>*, new_header + 1 );
return true;
}
@@ -298,6 +356,8 @@ CodeBody gen_array( StrC type, StrC array_name )
#pragma pop_macro( "GEN_ASSERT" )
#pragma pop_macro( "rcast" )
#pragma pop_macro( "cast" )
#pragma pop_macro( "typeof" )
#pragma pop_macro( "forceinline" )
++ ArrayDefinitionCounter;
StrC slot_str = String::fmt_buf(GlobalAllocator, "%d", ArrayDefinitionCounter).to_strc();
@@ -335,67 +395,22 @@ R"(#define GENERIC_SLOT_<slot>__array_init <type_delimiter>, <type_deli
));
};
constexpr bool array_by_ref = true;
Code gen_array_generic_selection_function_macro( StrC macro_name, bool by_ref = false )
{
local_persist
String define_builder = String::make_reserve(GlobalAllocator, kilobytes(64));
define_builder.clear();
StrC macro_begin = token_fmt( "macro_name", (StrC)macro_name,
R"(#define <macro_name>(selector_arg, ...) _Generic( \
(selector_arg), /* Select Via Expression*/ \
/* Extendibility slots: */ \
)"
);
define_builder.append(macro_begin);
for ( s32 slot = 1; slot <= ArrayDefinitionCounter; ++ slot )
{
StrC slot_str = String::fmt_buf(GlobalAllocator, "%d", slot).to_strc();
if (slot == ArrayDefinitionCounter)
{
define_builder.append( token_fmt( "macro_name", macro_name, "slot", slot_str,
R"( GEN_IF_MACRO_DEFINED_INCLUDE_THIS_SLOT_LAST( GENERIC_SLOT_<slot>__<macro_name> ) \
)"
));
continue;
}
define_builder.append( token_fmt( "macro_name", macro_name, "slot", slot_str,
R"( GEN_IF_MACRO_DEFINED_INCLUDE_THIS_SLOT( GENERIC_SLOT_<slot>__<macro_name> ) \
)"
));
}
if (by_ref)
define_builder.append(txt(")\tGEN_RESOLVED_FUNCTION_CALL( & selector_arg, __VA_ARGS__ )"));
else
define_builder.append(txt(")\tGEN_RESOLVED_FUNCTION_CALL( selector_arg, __VA_ARGS__ )"));
// Add gap for next definition
define_builder.append(txt("\n\n"));
Code macro = untyped_str(define_builder.to_strc());
return macro;
}
CodeBody gen_array_generic_selection_interface()
{
CodeBody interface_defines = def_body(CT_Global_Body);
interface_defines.append( gen_array_generic_selection_function_macro(txt("array_init"), array_by_ref) );
interface_defines.append( gen_array_generic_selection_function_macro(txt("array_init_reserve"), array_by_ref) );
interface_defines.append( gen_array_generic_selection_function_macro(txt("array_append"), array_by_ref) );
interface_defines.append( gen_array_generic_selection_function_macro(txt("array_append_items"), array_by_ref) );
interface_defines.append( gen_array_generic_selection_function_macro(txt("array_back")) );
interface_defines.append( gen_array_generic_selection_function_macro(txt("array_clear")) );
interface_defines.append( gen_array_generic_selection_function_macro(txt("array_fill")) );
interface_defines.append( gen_array_generic_selection_function_macro(txt("array_free"), array_by_ref) );
interface_defines.append( gen_array_generic_selection_function_macro(txt("array_grow")) );
interface_defines.append( gen_array_generic_selection_function_macro(txt("array_num")) );
interface_defines.append( gen_array_generic_selection_function_macro(txt("arary_pop")) );
interface_defines.append( gen_array_generic_selection_function_macro(txt("array_remove_at")) );
interface_defines.append( gen_array_generic_selection_function_macro(txt("arary_reserve"), array_by_ref) );
interface_defines.append( gen_array_generic_selection_function_macro(txt("array_set_capacity")) );
interface_defines.append( gen_generic_selection_function_macro( ArrayDefinitionCounter, txt("array_init"), GenericSel_Direct_Type ));
interface_defines.append( gen_generic_selection_function_macro( ArrayDefinitionCounter, txt("array_init_reserve"), GenericSel_Direct_Type ));
interface_defines.append( gen_generic_selection_function_macro( ArrayDefinitionCounter, txt("array_append"), GenericSel_By_Ref ));
interface_defines.append( gen_generic_selection_function_macro( ArrayDefinitionCounter, txt("array_append_items"), GenericSel_By_Ref ));
interface_defines.append( gen_generic_selection_function_macro( ArrayDefinitionCounter, txt("array_back"), GenericSel_Default, GenericSel_One_Arg ));
interface_defines.append( gen_generic_selection_function_macro( ArrayDefinitionCounter, txt("array_clear"), GenericSel_Default, GenericSel_One_Arg ));
interface_defines.append( gen_generic_selection_function_macro( ArrayDefinitionCounter, txt("array_fill")) );
interface_defines.append( gen_generic_selection_function_macro( ArrayDefinitionCounter, txt("array_free"), GenericSel_By_Ref, GenericSel_One_Arg ) );
interface_defines.append( gen_generic_selection_function_macro( ArrayDefinitionCounter, txt("array_grow")) );
interface_defines.append( gen_generic_selection_function_macro( ArrayDefinitionCounter, txt("array_num")) );
interface_defines.append( gen_generic_selection_function_macro( ArrayDefinitionCounter, txt("array_pop"), GenericSel_Default, GenericSel_One_Arg ));
interface_defines.append( gen_generic_selection_function_macro( ArrayDefinitionCounter, txt("array_remove_at")) );
interface_defines.append( gen_generic_selection_function_macro( ArrayDefinitionCounter, txt("array_reserve"), GenericSel_By_Ref) );
interface_defines.append( gen_generic_selection_function_macro( ArrayDefinitionCounter, txt("array_set_capacity")) );
return interface_defines;
}