2024-11-30 20:48:14 -08:00
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#pragma once
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#include "../project/gen.hpp"
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2024-11-30 20:48:14 -08:00
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using namespace gen;
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CodeBody gen_fixed_arenas()
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{
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CodeBody result = def_body(ECode::Global_Body);
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result.append(def_pragma(txt("region FixedArena")));
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char const* template_struct = stringize(
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struct FixedArena_<Name>
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{
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char memory[<Size>];
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Arena arena;
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};
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);
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char const* template_interface = stringize(
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inline
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void fixed_arena_init_<Name>(FixedArena_<Name>* result) {
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zero_size(& result->memory[0], <Size>);
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result.arena = arena_init_from_memory(& result->memory[0], <Size>);
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}
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inline
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ssize fixed_arena_size_remaining_<Name>(FixedArena_<Name>* fixed_arena, ssize alignment) {
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return size_remaining(fixed_arena->arena, alignment);
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}
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);
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CodeStruct arena_struct_1kb = parse_struct( token_fmt_impl( 3, "Name", txt("1KB"), "Size", txt("kilobytes(1)"), template_struct ));
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CodeStruct arena_struct_4kb = parse_struct( token_fmt_impl( 3, "Name", txt("4KB"), "Size", txt("kilobytes(4)"), template_struct ));
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CodeStruct arena_struct_8kb = parse_struct( token_fmt_impl( 3, "Name", txt("8KB"), "Size", txt("kilobytes(8)"), template_struct ));
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CodeStruct arena_struct_16kb = parse_struct( token_fmt_impl( 3, "Name", txt("16KB"), "Size", txt("kilobytes(16)"), template_struct ));
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CodeStruct arena_struct_32kb = parse_struct( token_fmt_impl( 3, "Name", txt("32KB"), "Size", txt("kilobytes(32)"), template_struct ));
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CodeStruct arena_struct_64kb = parse_struct( token_fmt_impl( 3, "Name", txt("64KB"), "Size", txt("kilobytes(64)"), template_struct ));
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CodeStruct arena_struct_128kb = parse_struct( token_fmt_impl( 3, "Name", txt("128KB"), "Size", txt("kilobytes(128)"), template_struct ));
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CodeStruct arena_struct_256kb = parse_struct( token_fmt_impl( 3, "Name", txt("256KB"), "Size", txt("kilobytes(256)"), template_struct ));
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CodeStruct arena_struct_512kb = parse_struct( token_fmt_impl( 3, "Name", txt("512KB"), "Size", txt("kilobytes(512)"), template_struct ));
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CodeStruct arena_struct_1mb = parse_struct( token_fmt_impl( 3, "Name", txt("1MB"), "Size", txt("megabytes(1)"), template_struct ));
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CodeStruct arena_struct_2mb = parse_struct( token_fmt_impl( 3, "Name", txt("2MB"), "Size", txt("megabytes(2)"), template_struct ));
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CodeStruct arena_struct_4mb = parse_struct( token_fmt_impl( 3, "Name", txt("4MB"), "Size", txt("megabytes(4)"), template_struct ));
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CodeBody arena_interface_1kb = parse_global_body( token_fmt_impl( 3, "Name", txt("1KB"), "Size", txt("kilobytes(1)"), template_interface ));
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CodeBody arena_interface_4kb = parse_global_body( token_fmt_impl( 3, "Name", txt("4KB"), "Size", txt("kilobytes(4)"), template_interface ));
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CodeBody arena_interface_8kb = parse_global_body( token_fmt_impl( 3, "Name", txt("8KB"), "Size", txt("kilobytes(8)"), template_interface ));
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CodeBody arena_interface_16kb = parse_global_body( token_fmt_impl( 3, "Name", txt("16KB"), "Size", txt("kilobytes(16)"), template_interface ));
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CodeBody arena_interface_32kb = parse_global_body( token_fmt_impl( 3, "Name", txt("32KB"), "Size", txt("kilobytes(32)"), template_interface ));
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CodeBody arena_interface_64kb = parse_global_body( token_fmt_impl( 3, "Name", txt("64KB"), "Size", txt("kilobytes(64)"), template_interface ));
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CodeBody arena_interface_128kb = parse_global_body( token_fmt_impl( 3, "Name", txt("128KB"), "Size", txt("kilobytes(128)"), template_interface ));
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CodeBody arena_interface_256kb = parse_global_body( token_fmt_impl( 3, "Name", txt("256KB"), "Size", txt("kilobytes(256)"), template_interface ));
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CodeBody arena_interface_512kb = parse_global_body( token_fmt_impl( 3, "Name", txt("512KB"), "Size", txt("kilobytes(512)"), template_interface ));
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CodeBody arena_interface_1mb = parse_global_body( token_fmt_impl( 3, "Name", txt("1MB"), "Size", txt("megabytes(1)"), template_interface ));
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CodeBody arena_interface_2mb = parse_global_body( token_fmt_impl( 3, "Name", txt("2MB"), "Size", txt("megabytes(2)"), template_interface ));
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CodeBody arena_interface_4mb = parse_global_body( token_fmt_impl( 3, "Name", txt("4MB"), "Size", txt("megabytes(4)"), template_interface ));
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result.append(arena_struct_1kb);
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result.append(arena_struct_4kb);
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result.append(arena_struct_8kb);
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result.append(arena_struct_16kb);
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result.append(arena_struct_32kb);
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result.append(arena_struct_128kb);
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result.append(arena_struct_256kb);
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result.append(arena_struct_512kb);
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result.append(arena_struct_1mb);
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result.append(arena_struct_2mb);
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result.append(arena_struct_4mb);
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result.append(arena_interface_1kb);
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result.append(arena_interface_4kb);
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result.append(arena_interface_8kb);
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result.append(arena_interface_16kb);
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result.append(arena_interface_32kb);
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result.append(arena_interface_128kb);
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result.append(arena_interface_256kb);
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result.append(arena_interface_512kb);
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result.append(arena_interface_1mb);
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result.append(arena_interface_2mb);
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result.append(arena_interface_4mb);
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CodeDefine def = def_define(txt("fixed_arena_allocator_info(fixed_arena)"), code({ arena_allocator_proc, & fixed_arena.arena }) );
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result.append(def);
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result.append(parse_global_body(txt(R"(
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#define fixed_arena_init(expr) _Generic((expr), \
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FixedArena_1KB* : fixed_arena_init_1KB, \
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FixedArena_4KB* : fixed_arena_init_4KB, \
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FixedArena_8KB* : fixed_arena_init_8KB, \
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FixedArena_16KB* : fixed_arena_init_16KB, \
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FixedArena_32KB* : fixed_arena_init_32KB, \
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FixedArena_64KB* : fixed_arena_init_64KB, \
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FixedArena_128KB* : fixed_arena_init_128KB, \
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FixedArena_256KB* : fixed_arena_init_256KB, \
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FixedArena_512KB* : fixed_arena_init_512KB, \
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FixedArena_1MB* : fixed_arena_init_1MB, \
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FixedArena_2MB* : fixed_arena_init_2MB, \
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FixedArena_4MB* : fixed_arena_init_4MB \
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)(expr)
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#define fixed_arena_size_remaining(expr, alignment) _Generic((expr), \
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FixedArena_1KB* : fixed_arena_size_remaining_1KB, \
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FixedArena_4KB* : fixed_arena_size_remaining_4KB, \
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FixedArena_8KB* : fixed_arena_size_remaining_8KB, \
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FixedArena_16KB* : fixed_arena_size_remaining_16KB, \
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FixedArena_32KB* : fixed_arena_size_remaining_32KB, \
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FixedArena_64KB* : fixed_arena_size_remaining_64KB, \
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FixedArena_128KB* : fixed_arena_size_remaining_128KB, \
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FixedArena_256KB* : fixed_arena_size_remaining_256KB, \
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FixedArena_512KB* : fixed_arena_size_remaining_512KB, \
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FixedArena_1MB* : fixed_arena_size_remaining_1MB, \
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FixedArena_2MB* : fixed_arena_size_remaining_2MB, \
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FixedArena_4MB* : fixed_arena_size_remaining_4MB \
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)(expr, alignment)
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)"
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)));
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2024-11-30 22:40:31 -08:00
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result.append(def_pragma(txt("endregion FixedArena")));
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2024-11-30 20:38:27 -08:00
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return result;
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}
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