mirror of
https://github.com/Ed94/gencpp.git
synced 2024-12-21 23:34:44 -08:00
435 lines
14 KiB
C++
435 lines
14 KiB
C++
#pragma once
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#include "gen.hpp"
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using namespace gen;
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// Used to know what slot the array will be for generic selection
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global s32 Array_DefinitionCounter = 0;
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CodeBody gen_array_base()
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{
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CodeTypedef td_header = parse_typedef( code( typedef struct ArrayHeader ArrayHeader; ));
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CodeStruct header = parse_struct( code(
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struct ArrayHeader
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{
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AllocatorInfo Allocator;
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usize Capacity;
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usize Num;
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};
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));
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Code grow_formula = untyped_str( txt( "#define array_grow_formula( value ) ( 2 * value + 8 )\n" ));
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Code get_header = untyped_str( txt( "#define array_get_header( self ) ( (ArrayHeader*)( self ) - 1)\n" ));
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Code type_define = untyped_str( txt( "#define Array(Type) gen_Array_##Type\n"));
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Code array_begin = def_define(txt("array_begin(array)"), MT_Expression, { {}, code( (array) ) } );
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Code array_end = def_define(txt("array_end(array)"), MT_Expression, { {}, code( (array + array_get_header(array)->Num ) ) } );
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Code array_next = def_define(txt("array_next(array, entry)"), MT_Expression, { {}, code( (entry + 1) ) } );
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return def_global_body( args(
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fmt_newline,
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td_header,
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header,
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type_define,
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grow_formula,
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get_header,
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array_begin,
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array_end,
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array_next,
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fmt_newline
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));
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};
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CodeBody gen_array( Str type, Str array_name )
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{
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StrBuilder array_type = StrBuilder::fmt_buf( _ctx->Allocator_Temp, "%.*s", array_name.Len, array_name.Ptr );
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StrBuilder fn = StrBuilder::fmt_buf( _ctx->Allocator_Temp, "%.*s", array_name.Len, array_name.Ptr );
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// c_str_to_lower(fn.Data);
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#pragma push_macro( "GEN_ASSERT" )
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#pragma push_macro( "rcast" )
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#pragma push_macro( "cast" )
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#pragma push_macro( "typeof" )
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#pragma push_macro( "forceinline" )
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#undef GEN_ASSERT
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#undef rcast
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#undef cast
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#undef typeof
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#undef forceinline
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CodeBody result = parse_global_body( token_fmt( "array_type", (Str)array_type, "fn", (Str)fn, "type", (Str)type
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, stringize(
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typedef <type>* <array_type>;
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<array_type> <fn>_init ( AllocatorInfo allocator );
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<array_type> <fn>_init_reserve ( AllocatorInfo allocator, usize capacity );
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bool <fn>_append_array ( <array_type>* self, <array_type> other );
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bool <fn>_append ( <array_type>* self, <type> value );
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bool <fn>_append_items ( <array_type>* self, <type>* items, usize item_num );
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bool <fn>_append_at ( <array_type>* self, <type> item, usize idx );
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bool <fn>_append_items_at( <array_type>* self, <type>* items, usize item_num, usize idx );
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<type>* <fn>_back ( <array_type> self );
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void <fn>_clear ( <array_type> self );
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bool <fn>_fill ( <array_type> self, usize begin, usize end, <type> value );
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void <fn>_free ( <array_type>* self );
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bool <fn>_grow ( <array_type>* self, usize min_capacity );
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usize <fn>_num ( <array_type> self );
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<type> <fn>_pop ( <array_type> self );
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void <fn>_remove_at ( <array_type> self, usize idx );
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bool <fn>_reserve ( <array_type>* self, usize new_capacity );
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bool <fn>_resize ( <array_type>* self, usize num );
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bool <fn>_set_capacity ( <array_type>* self, usize new_capacity );
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forceinline
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<array_type> <fn>_init( AllocatorInfo allocator )
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{
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size_t initial_size = array_grow_formula(0);
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return array_init_reserve( <type>, allocator, initial_size );
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}
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inline
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<array_type> <fn>_init_reserve( AllocatorInfo allocator, usize capacity )
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{
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GEN_ASSERT(capacity > 0);
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ArrayHeader* header = rcast(ArrayHeader*, alloc(allocator, sizeof(ArrayHeader) + sizeof(<type>) * capacity));
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if (header == nullptr)
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return nullptr;
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header->Allocator = allocator;
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header->Capacity = capacity;
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header->Num = 0;
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return rcast(<type>*, header + 1);
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}
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forceinline
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bool <fn>_append_array( <array_type>* self, <array_type> other )
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{
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return array_append_items( * self, (<array_type>)other, <fn>_num(other));
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}
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inline
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bool <fn>_append( <array_type>* self, <type> value )
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{
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GEN_ASSERT( self != nullptr);
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GEN_ASSERT(* self != nullptr);
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ArrayHeader* header = array_get_header( * self );
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if ( header->Num == header->Capacity )
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{
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if ( ! array_grow( self, header->Capacity))
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return false;
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header = array_get_header( * self );
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}
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(* self)[ header->Num ] = value;
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header->Num++;
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return true;
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}
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inline
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bool <fn>_append_items( <array_type>* self, <type>* items, usize item_num )
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{
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GEN_ASSERT( self != nullptr);
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GEN_ASSERT(* self != nullptr);
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GEN_ASSERT(items != nullptr);
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GEN_ASSERT(item_num > 0);
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ArrayHeader* header = array_get_header( * self );
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if ( header->Num + item_num > header->Capacity )
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{
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if ( ! array_grow( self, header->Capacity + item_num ))
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return false;
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header = array_get_header( * self );
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}
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mem_copy( (* self) + header->Num, items, sizeof(<type>) * item_num );
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header->Num += item_num;
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return true;
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}
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inline
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bool <fn>_append_at( <array_type>* self, <type> item, usize idx )
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{
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GEN_ASSERT( self != nullptr);
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GEN_ASSERT(* self != nullptr);
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ArrayHeader* header = array_get_header( * self );
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if ( idx >= header->Num )
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idx = header->Num - 1;
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if ( idx < 0 )
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idx = 0;
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if ( header->Capacity < header->Num + 1 )
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{
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if ( ! array_grow( self, header->Capacity + 1 ) )
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return false;
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header = array_get_header( * self );
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}
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<array_type> target = (* self) + idx;
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mem_move( target + 1, target, (header->Num - idx) * sizeof(<type>) );
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header->Num++;
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return true;
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}
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inline
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bool <fn>_append_items_at( <array_type>* self, <type>* items, usize item_num, usize idx )
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{
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GEN_ASSERT( self != nullptr);
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GEN_ASSERT(* self != nullptr);
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ArrayHeader* header = array_get_header( * self );
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if ( idx >= header->Num )
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{
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return array_append_items( * self, items, item_num );
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}
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if ( item_num > header->Capacity )
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{
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if ( ! array_grow( self, item_num + header->Capacity ) )
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return false;
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header = array_get_header( * self );
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}
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<type>* target = (* self) + idx + item_num;
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<type>* src = (* self) + idx;
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mem_move( target, src, (header->Num - idx) * sizeof(<type>) );
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mem_copy( src, items, item_num * sizeof(<type>) );
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header->Num += item_num;
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return true;
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}
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inline
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<type>* <fn>_back( <array_type> self )
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{
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GEN_ASSERT(self != nullptr);
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ArrayHeader* header = array_get_header( self );
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if ( header->Num == 0 )
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return NULL;
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return self + header->Num - 1;
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}
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inline
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void <fn>_clear( <array_type> self )
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{
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GEN_ASSERT(self != nullptr);
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ArrayHeader* header = array_get_header( self );
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header->Num = 0;
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}
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inline
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bool <fn>_fill( <array_type> self, usize begin, usize end, <type> value )
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{
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GEN_ASSERT(self != nullptr);
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GEN_ASSERT(begin <= end);
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ArrayHeader* header = array_get_header( self );
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if ( begin < 0 || end > header->Num )
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return false;
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for ( ssize idx = (ssize)begin; idx < (ssize)end; idx ++ )
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self[ idx ] = value;
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return true;
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}
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inline
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void <fn>_free( <array_type>* self )
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{
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GEN_ASSERT( self != nullptr);
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GEN_ASSERT(* self != nullptr);
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ArrayHeader* header = array_get_header( * self );
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allocator_free( header->Allocator, header );
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self = NULL;
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}
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inline
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bool <fn>_grow( <array_type>* self, usize min_capacity )
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{
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GEN_ASSERT( self != nullptr);
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GEN_ASSERT(* self != nullptr);
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GEN_ASSERT( min_capacity > 0 );
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ArrayHeader* header = array_get_header( *self );
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usize new_capacity = array_grow_formula( header->Capacity );
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if ( new_capacity < min_capacity )
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new_capacity = min_capacity;
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return array_set_capacity( self, new_capacity );
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}
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forceinline
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usize <fn>_num( <array_type> self )
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{
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GEN_ASSERT( self != nullptr);
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return array_get_header(self)->Num;
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}
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inline
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<type> <fn>_pop( <array_type> self )
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{
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GEN_ASSERT( self != nullptr);
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ArrayHeader* header = array_get_header( self );
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GEN_ASSERT( header->Num > 0 );
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<type> result = self[ header->Num - 1 ];
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header->Num--;
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return result;
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}
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forceinline
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void <fn>_remove_at( <array_type> self, usize idx )
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{
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GEN_ASSERT( self != nullptr);
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ArrayHeader* header = array_get_header( self );
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GEN_ASSERT( idx < header->Num );
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mem_move( self + idx, self + idx + 1, sizeof( <type> ) * ( header->Num - idx - 1 ) );
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header->Num--;
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}
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inline
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bool <fn>_reserve( <array_type>* self, usize new_capacity )
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{
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GEN_ASSERT( self != nullptr);
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GEN_ASSERT(* self != nullptr);
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GEN_ASSERT(new_capacity > 0);
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ArrayHeader* header = array_get_header( * self );
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if ( header->Capacity < new_capacity )
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return array_set_capacity( self, new_capacity );
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return true;
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}
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inline
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bool <fn>_resize( <array_type>* self, usize num )
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{
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GEN_ASSERT( self != nullptr);
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GEN_ASSERT(* self != nullptr);
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GEN_ASSERT(num > 0);
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ArrayHeader* header = array_get_header( * self );
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if ( header->Capacity < num )
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{
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if ( ! array_grow( self, num ) )
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return false;
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header = array_get_header( * self );
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}
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header->Num = num;
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return true;
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}
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inline
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bool <fn>_set_capacity( <array_type>* self, usize new_capacity )
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{
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GEN_ASSERT( self != nullptr);
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GEN_ASSERT(* self != nullptr);
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GEN_ASSERT( new_capacity > 0 );
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ArrayHeader* header = array_get_header( * self );
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if ( new_capacity == header->Capacity )
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return true;
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if ( new_capacity < header->Num )
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{
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header->Num = new_capacity;
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return true;
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}
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usize size = sizeof( ArrayHeader ) + sizeof( <type> ) * new_capacity;
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ArrayHeader* new_header = cast( ArrayHeader*, alloc( header->Allocator, size ));
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if ( new_header == NULL )
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return false;
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mem_move( new_header, header, sizeof( ArrayHeader ) + sizeof( <type> ) * header->Num );
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new_header->Capacity = new_capacity;
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allocator_free( header->Allocator, & header );
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* self = cast( <type>*, new_header + 1 );
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return true;
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}
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)));
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#pragma pop_macro( "GEN_ASSERT" )
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#pragma pop_macro( "rcast" )
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#pragma pop_macro( "cast" )
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#pragma pop_macro( "typeof" )
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#pragma pop_macro( "forceinline" )
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++ Array_DefinitionCounter;
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Str slot_str = StrBuilder::fmt_buf(_ctx->Allocator_Temp, "%d", Array_DefinitionCounter).to_str();
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Code generic_interface_slot = untyped_str(token_fmt( "type", type, "array_type", (Str)array_type, "slot", (Str)slot_str,
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R"(#define GENERIC_SLOT_<slot>__array_init <type>, <array_type>_init
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#define GENERIC_SLOT_<slot>__array_init_reserve <type>, <array_type>_init_reserve
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#define GENERIC_SLOT_<slot>__array_append <array_type>, <array_type>_append
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#define GENERIC_SLOT_<slot>__array_append_items <array_type>, <array_type>_append_items
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#define GENERIC_SLOT_<slot>__array_append_at <array_type>, <array_type>_append_at
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#define GENERIC_SLOT_<slot>__array_append_items_at <array_type>, <array_type>_append_items_at
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#define GENERIC_SLOT_<slot>__array_back <array_type>, <array_type>_back
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#define GENERIC_SLOT_<slot>__array_clear <array_type>, <array_type>_clear
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#define GENERIC_SLOT_<slot>__array_fill <array_type>, <array_type>_fill
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#define GENERIC_SLOT_<slot>__array_free <array_type>, <array_type>_free
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#define GENERIC_SLOT_<slot>__array_grow <array_type>*, <array_type>_grow
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#define GENERIC_SLOT_<slot>__array_num <array_type>, <array_type>_num
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#define GENERIC_SLOT_<slot>__array_pop <array_type>, <array_type>_pop
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#define GENERIC_SLOT_<slot>__array_remove_at <array_type>, <array_type>_remove_at
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#define GENERIC_SLOT_<slot>__array_reserve <array_type>, <array_type>_reserve
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#define GENERIC_SLOT_<slot>__array_resize <array_type>, <array_type>_resize
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#define GENERIC_SLOT_<slot>__array_set_capacity <array_type>*, <array_type>_set_capacity
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)"
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));
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return def_global_body( args(
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def_pragma( strbuilder_to_str( strbuilder_fmt_buf( _ctx->Allocator_Temp, "region %SB", array_type ))),
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fmt_newline,
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generic_interface_slot,
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fmt_newline,
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result,
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fmt_newline,
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def_pragma( strbuilder_to_str(strbuilder_fmt_buf( _ctx->Allocator_Temp, "endregion %SB", array_type ))),
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fmt_newline
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));
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};
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CodeBody gen_array_generic_selection_interface()
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{
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CodeBody interface_defines = def_body(CT_Global_Body);
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interface_defines.append( gen_generic_selection_function_macro( Array_DefinitionCounter, txt("array_init"), GenericSel_Direct_Type ));
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interface_defines.append( gen_generic_selection_function_macro( Array_DefinitionCounter, txt("array_init_reserve"), GenericSel_Direct_Type ));
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interface_defines.append( gen_generic_selection_function_macro( Array_DefinitionCounter, txt("array_append"), GenericSel_By_Ref ));
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interface_defines.append( gen_generic_selection_function_macro( Array_DefinitionCounter, txt("array_append_at"), GenericSel_By_Ref ));
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interface_defines.append( gen_generic_selection_function_macro( Array_DefinitionCounter, txt("array_append_items"), GenericSel_By_Ref ));
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interface_defines.append( gen_generic_selection_function_macro( Array_DefinitionCounter, txt("array_append_items_at"), GenericSel_By_Ref ));
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interface_defines.append( gen_generic_selection_function_macro( Array_DefinitionCounter, txt("array_back"), GenericSel_Default, GenericSel_One_Arg ));
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interface_defines.append( gen_generic_selection_function_macro( Array_DefinitionCounter, txt("array_clear"), GenericSel_Default, GenericSel_One_Arg ));
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interface_defines.append( gen_generic_selection_function_macro( Array_DefinitionCounter, txt("array_fill")) );
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interface_defines.append( gen_generic_selection_function_macro( Array_DefinitionCounter, txt("array_free"), GenericSel_By_Ref, GenericSel_One_Arg ) );
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interface_defines.append( gen_generic_selection_function_macro( Array_DefinitionCounter, txt("array_grow")) );
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interface_defines.append( gen_generic_selection_function_macro( Array_DefinitionCounter, txt("array_num"), GenericSel_Default, GenericSel_One_Arg ));
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interface_defines.append( gen_generic_selection_function_macro( Array_DefinitionCounter, txt("array_pop"), GenericSel_Default, GenericSel_One_Arg ));
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interface_defines.append( gen_generic_selection_function_macro( Array_DefinitionCounter, txt("array_remove_at")) );
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interface_defines.append( gen_generic_selection_function_macro( Array_DefinitionCounter, txt("array_reserve"), GenericSel_By_Ref) );
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interface_defines.append( gen_generic_selection_function_macro( Array_DefinitionCounter, txt("array_resize"), GenericSel_By_Ref) );
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interface_defines.append( gen_generic_selection_function_macro( Array_DefinitionCounter, txt("array_set_capacity")) );
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return interface_defines;
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}
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