mirror of
https://github.com/Ed94/gencpp.git
synced 2024-11-10 02:54:53 -08:00
376 lines
8.8 KiB
C++
376 lines
8.8 KiB
C++
#pragma once
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#if GEN_TIME
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#include "gen.hpp"
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using namespace gen;
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Code gen__array_base()
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{
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CodeType t_allocator_info = def_type( name(AllocatorInfo) );
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CodeStruct header = def_struct( name(ArrayHeader),
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def_struct_body( args(
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def_variable( t_allocator_info, name(Allocator) )
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, def_variable( t_uw, name(Capacity) )
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, def_variable( t_uw, name(Num) )
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)));
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CodeFn grow_formula = def_function( name(array_grow_formula), def_param( t_uw, name(value)), t_uw
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, def_execution( code( return 2 * value * 8; ) )
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, def_specifiers( args( ESpecifier::Static, ESpecifier::Inline ) )
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);
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return def_global_body( args( header, grow_formula ) );
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}
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Code gen__array( StrC type )
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{
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static CodeType t_allocator_info = def_type( name(AllocatorInfo) );
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static Code v_nullptr = code_str(nullptr);
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static CodeSpecifiers spec_ct_member = def_specifiers( 2, ESpecifier::Constexpr, ESpecifier::Static );
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static CodeSpecifiers spec_static_inline = def_specifiers( 2, ESpecifier::Static, ESpecifier::Inline );
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static CodeSpecifiers spec_static = def_specifier( ESpecifier::Static );
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static CodeUsing using_header = def_using( name(Header), def_type( name(ArrayHeader) ) );
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static CodeVar ct_grow_formula = def_variable( t_auto, name(grow_formula), untyped_str( code( & array_grow_formula )), spec_ct_member );
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StrC name;
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{
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char const* name_str = str_fmt_buf( "Array_%s\0", type.Ptr );
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s32 name_len = str_len( name_str );
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name = { name_len, name_str };
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};
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CodeType t_array_type = def_type( name );
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CodeType t_type = def_type( type );
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CodeType t_type_ptr = def_type( type, __, spec_ptr );
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CodeType t_type_ref = def_type( type, __, spec_ref );
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CodeType t_alias = def_type( name(Type) );
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CodeType t_alias_ptr = def_type( name(Type), __, spec_ptr );
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CodeType t_alias_ref = def_type( name(Type), __, spec_ref );
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CodeType t_header = def_type( name(Header) );
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CodeType t_header_ptr = def_type( name(Header), __, spec_ptr );
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CodeType t_header_ref = def_type( name(Header), __, spec_ref );
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CodeStruct array = {0};
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{
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CodeUsing using_type = def_using( name(Type), t_type );
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CodeVar data = def_variable( t_alias_ptr, name(Data) );
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CodeFn init = def_function( name(init), def_param( t_allocator_info, name(allocator) ), t_array_type
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, def_execution( code(
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return init_reserve( allocator, grow_formula(0) );
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))
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, spec_static
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);
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CodeFn init_reserve;
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{
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CodeParam params = def_params( args(
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def_param( t_allocator_info, name(allocator) )
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, def_param( t_sw, name(capacity) )
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));
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Code body = def_execution( code(
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Header* header = rcast( Header*, alloc( allocator, sizeof(Header) + sizeof(Type) ));
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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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init_reserve = def_function( name(init_reserve), params, t_array_type, body, spec_static );
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}
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CodeFn append = def_function( name(append), def_param(t_alias, name(value)), t_bool
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, def_execution( code(
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Header* header = get_header();
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if ( header->Num == header->Capacity )
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{
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if ( ! grow( header->Capacity ))
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return false;
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header = get_header();
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}
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Data[ header->Num ] = value;
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header->Num++;
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return true;
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))
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);
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CodeFn back = def_function( name(back), __, t_alias_ref
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, def_execution( code(
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Header& header = * get_header();
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return Data[ header.Num - 1 ];
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))
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);
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CodeFn clear = def_function( name(clear), __, t_void
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, def_execution( code(
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Header& header = * get_header();
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header.Num = 0;
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))
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);
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CodeFn fill;
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{
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CodeParam params = def_params( args(
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def_param( t_uw, name(begin) )
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, def_param( t_uw, name(end) )
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, def_param( t_alias, name(value) )
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));
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Code body = untyped_str( code(
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Header& header = * get_header();
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if ( begin < 0 || end >= header.Num )
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return false;
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for ( sw idx = begin; idx < end; idx++ )
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{
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Data[ idx ] = value;
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}
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return true;
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));
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fill = def_function( name(fill), params, t_bool, body );
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}
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CodeFn free = def_function( name(free), __, t_void
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, def_execution( code(
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Header* header = get_header();
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gen::free( header->Allocator, header );
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))
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);
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CodeFn get_header = def_function( name(get_header), __, t_header_ptr
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, def_execution( code(
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return rcast( Header*, Data ) - 1;
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))
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);
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CodeFn grow = def_function( name(grow), def_param( t_uw, name(min_capacity)), t_bool
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, def_execution( code(
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Header& header = * get_header();
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uw new_capacity = grow_formula( header.Capacity );
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if ( new_capacity < min_capacity )
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new_capacity = 8;
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return set_capacity( new_capacity );
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))
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);
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CodeFn num = def_function( name(num), __, t_uw
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, def_execution( code(
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return get_header()->Num;
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))
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);
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CodeFn pop = def_function( name(pop), __, t_bool
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, def_execution( code(
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Header& header = * get_header();
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GEN_ASSERT( header.Num > 0 );
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header.Num--;
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))
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);
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CodeFn remove_at = def_function( name(remove_at), def_param( t_uw, name(idx)), t_void
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, def_execution( code(
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Header* header = get_header();
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GEN_ASSERT( idx < header->Num );
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mem_move( header + idx, header + idx + 1, sizeof( Type ) * ( header->Num - idx - 1 ) );
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header->Num--;
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))
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);
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CodeFn reserve = def_function( name(reserve), def_param( t_uw, name(new_capacity)), t_bool
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, def_execution( code(
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Header& header = * get_header();
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if ( header.Capacity < new_capacity )
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return set_capacity( new_capacity );
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return true;
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))
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);
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CodeFn resize = def_function( name(resize), def_param( t_uw, name(num)), t_bool
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, def_execution( code(
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Header* header = get_header();
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if ( num > header->Capacity )
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{
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if ( ! grow( header->Capacity ))
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return false;
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header = get_header();
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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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);
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CodeFn set_capacity;
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{
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Code body = def_execution( code(
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Header& header = * get_header();
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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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header.Num = new_capacity;
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sw size = sizeof(Header) + sizeof(Type) * new_capacity;
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Header* new_header = rcast( Header*, alloc( header.Allocator, size ));
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if ( new_header == nullptr )
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return false;
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mem_move( new_header, & header, sizeof( Header ) + sizeof(Type) * header.Num );
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new_header->Capacity = new_capacity;
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gen::free( header.Allocator, & header );
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Data = rcast( Type*, new_header + 1);
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return true;
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));
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set_capacity = def_function( name(set_capacity), def_param( t_uw, name(new_capacity)), t_bool, body );
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}
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CodeOpCast op_ptr = def_operator_cast( t_type_ptr, def_execution( code(
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return Data;
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)));
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CodeBody body = def_struct_body( args(
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using_header
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, using_type
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, ct_grow_formula
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, init
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, init_reserve
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, append
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, back
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, clear
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, fill
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, free
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, get_header
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, grow
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, num
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, pop
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, remove_at
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, reserve
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, resize
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, set_capacity
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, op_ptr
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, data
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));
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array = def_struct( name, body );
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}
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return array;
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}
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struct GenArrayRequest
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{
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StrC Dependency;
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StrC Type;
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};
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Array<GenArrayRequest> GenArrayRequests;
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void gen__array_request( StrC type, StrC dep = {} )
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{
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do_once_start
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GenArrayRequests = Array<GenArrayRequest>::init( GlobalAllocator );
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do_once_end
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// Make sure we don't already have a request for the type.
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for ( sw idx = 0; idx < GenArrayRequests.num(); ++idx )
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{
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StrC const reqest_type = GenArrayRequests[ idx ].Type;
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if ( reqest_type.Len != type.Len )
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continue;
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if ( str_compare( reqest_type.Ptr, type.Ptr, reqest_type.Len ) == 0 )
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return;
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}
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GenArrayRequest request = { dep, type };
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GenArrayRequests.append( request );
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}
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#define gen_array( type ) gen__array_request( code(type) )
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u32 gen_array_file()
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{
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Builder
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gen_array_file;
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gen_array_file.open( "array.Upfront.gen.hpp" );
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CodeInclude include_gen = def_include( txt_StrC("gen.hpp") );
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gen_array_file.print( include_gen );
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gen_array_file.print( def_using_namespace( name(gen)));
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Code array_base = gen__array_base();
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gen_array_file.print( array_base );
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GenArrayRequest* current = GenArrayRequests;
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s32 left = GenArrayRequests.num();
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while (left--)
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{
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GenArrayRequest const& request = * current;
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Code generated_array = gen__array( request.Type );
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if ( request.Dependency )
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{
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char const* cmt_str = str_fmt_buf( "// Dependency for %s type", request.Type );
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s32 cmt_len = str_len( cmt_str );
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CodeComment cmt = def_comment( { cmt_len, cmt_str } );
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CodeInclude include = def_include( request.Dependency );
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gen_array_file.print( cmt );
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gen_array_file.print( include );
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}
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gen_array_file.print( generated_array );
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current++;
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}
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gen_array_file.write();
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return 0;
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}
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#endif
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