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some fixes to c's fixed_arena gen

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Edward R. Gonzalez
2024-11-30 23:48:14 -05:00
parent fbdb870986
commit 31a3609b28
2 changed files with 7 additions and 7 deletions
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119
gen_c_library/components/memory.fixed_arena.hpp Normal file
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@@ -0,0 +1,119 @@
#pragma once
#include "../project/gen.hpp"
using namespace gen;
CodeBody gen_fixed_arenas()
{
CodeBody result = def_body(ECode::Global_Body);
char const* template_struct = stringize(
struct FixedArena_<Name>
{
char memory[<Size>];
Arena arena;
};
);
char const* template_interface = stringize(
inline
void fixed_arena_init_<Name>(FixedArena_<Name>* result) {
zero_size(& result->memory[0], <Size>);
result.arena = arena_init_from_memory(& result->memory[0], <Size>);
}
inline
ssize fixed_arena_size_remaining_<Name>(FixedArena_<Name>* fixed_arena, ssize alignment) {
return size_remaining(fixed_arena->arena, alignment);
}
);
CodeStruct arena_struct_1kb = parse_struct( token_fmt_impl( 3, "Name", txt("1KB"), "Size", txt("kilobytes(1)"), template_struct ));
CodeStruct arena_struct_4kb = parse_struct( token_fmt_impl( 3, "Name", txt("4KB"), "Size", txt("kilobytes(4)"), template_struct ));
CodeStruct arena_struct_8kb = parse_struct( token_fmt_impl( 3, "Name", txt("8KB"), "Size", txt("kilobytes(8)"), template_struct ));
CodeStruct arena_struct_16kb = parse_struct( token_fmt_impl( 3, "Name", txt("16KB"), "Size", txt("kilobytes(16)"), template_struct ));
CodeStruct arena_struct_32kb = parse_struct( token_fmt_impl( 3, "Name", txt("32KB"), "Size", txt("kilobytes(32)"), template_struct ));
CodeStruct arena_struct_64kb = parse_struct( token_fmt_impl( 3, "Name", txt("64KB"), "Size", txt("kilobytes(64)"), template_struct ));
CodeStruct arena_struct_128kb = parse_struct( token_fmt_impl( 3, "Name", txt("128KB"), "Size", txt("kilobytes(128)"), template_struct ));
CodeStruct arena_struct_256kb = parse_struct( token_fmt_impl( 3, "Name", txt("256KB"), "Size", txt("kilobytes(256)"), template_struct ));
CodeStruct arena_struct_512kb = parse_struct( token_fmt_impl( 3, "Name", txt("512KB"), "Size", txt("kilobytes(512)"), template_struct ));
CodeStruct arena_struct_1mb = parse_struct( token_fmt_impl( 3, "Name", txt("1MB"), "Size", txt("megabytes(1)"), template_struct ));
CodeStruct arena_struct_2mb = parse_struct( token_fmt_impl( 3, "Name", txt("2MB"), "Size", txt("megabytes(2)"), template_struct ));
CodeStruct arena_struct_4mb = parse_struct( token_fmt_impl( 3, "Name", txt("4MB"), "Size", txt("megabytes(4)"), template_struct ));
CodeBody arena_interface_1kb = parse_global_body( token_fmt_impl( 3, "Name", txt("1KB"), "Size", txt("kilobytes(1)"), template_interface ));
CodeBody arena_interface_4kb = parse_global_body( token_fmt_impl( 3, "Name", txt("4KB"), "Size", txt("kilobytes(4)"), template_interface ));
CodeBody arena_interface_8kb = parse_global_body( token_fmt_impl( 3, "Name", txt("8KB"), "Size", txt("kilobytes(8)"), template_interface ));
CodeBody arena_interface_16kb = parse_global_body( token_fmt_impl( 3, "Name", txt("16KB"), "Size", txt("kilobytes(16)"), template_interface ));
CodeBody arena_interface_32kb = parse_global_body( token_fmt_impl( 3, "Name", txt("32KB"), "Size", txt("kilobytes(32)"), template_interface ));
CodeBody arena_interface_64kb = parse_global_body( token_fmt_impl( 3, "Name", txt("64KB"), "Size", txt("kilobytes(64)"), template_interface ));
CodeBody arena_interface_128kb = parse_global_body( token_fmt_impl( 3, "Name", txt("128KB"), "Size", txt("kilobytes(128)"), template_interface ));
CodeBody arena_interface_256kb = parse_global_body( token_fmt_impl( 3, "Name", txt("256KB"), "Size", txt("kilobytes(256)"), template_interface ));
CodeBody arena_interface_512kb = parse_global_body( token_fmt_impl( 3, "Name", txt("512KB"), "Size", txt("kilobytes(512)"), template_interface ));
CodeBody arena_interface_1mb = parse_global_body( token_fmt_impl( 3, "Name", txt("1MB"), "Size", txt("megabytes(1)"), template_interface ));
CodeBody arena_interface_2mb = parse_global_body( token_fmt_impl( 3, "Name", txt("2MB"), "Size", txt("megabytes(2)"), template_interface ));
CodeBody arena_interface_4mb = parse_global_body( token_fmt_impl( 3, "Name", txt("4MB"), "Size", txt("megabytes(4)"), template_interface ));
result.append(arena_struct_1kb);
result.append(arena_struct_4kb);
result.append(arena_struct_8kb);
result.append(arena_struct_16kb);
result.append(arena_struct_32kb);
result.append(arena_struct_128kb);
result.append(arena_struct_256kb);
result.append(arena_struct_512kb);
result.append(arena_struct_1mb);
result.append(arena_struct_2mb);
result.append(arena_struct_4mb);
result.append(arena_interface_1kb);
result.append(arena_interface_4kb);
result.append(arena_interface_8kb);
result.append(arena_interface_16kb);
result.append(arena_interface_32kb);
result.append(arena_interface_128kb);
result.append(arena_interface_256kb);
result.append(arena_interface_512kb);
result.append(arena_interface_1mb);
result.append(arena_interface_2mb);
result.append(arena_interface_4mb);
CodeDefine def = def_define(txt("fixed_arena_allocator_info(fixed_arena)"), code({ arena_allocator_proc, & fixed_arena.arena }) );
result.append(def);
result.append(parse_global_body(txt(R"(
#define fixed_arena_init(expr) _Generic((expr), \
FixedArena_1KB* : fixed_arena_init_1KB, \
FixedArena_4KB* : fixed_arena_init_4KB, \
FixedArena_8KB* : fixed_arena_init_8KB, \
FixedArena_16KB* : fixed_arena_init_16KB, \
FixedArena_32KB* : fixed_arena_init_32KB, \
FixedArena_64KB* : fixed_arena_init_64KB, \
FixedArena_128KB* : fixed_arena_init_128KB, \
FixedArena_256KB* : fixed_arena_init_256KB, \
FixedArena_512KB* : fixed_arena_init_512KB, \
FixedArena_1MB* : fixed_arena_init_1MB, \
FixedArena_2MB* : fixed_arena_init_2MB, \
FixedArena_4MB* : fixed_arena_init_4MB \
)(expr)
#define fixed_arena_size_remaining(expr, alignment) _Generic((expr), \
FixedArena_1KB* : fixed_arena_size_remaining_1KB, \
FixedArena_4KB* : fixed_arena_size_remaining_4KB, \
FixedArena_8KB* : fixed_arena_size_remaining_8KB, \
FixedArena_16KB* : fixed_arena_size_remaining_16KB, \
FixedArena_32KB* : fixed_arena_size_remaining_32KB, \
FixedArena_64KB* : fixed_arena_size_remaining_64KB, \
FixedArena_128KB* : fixed_arena_size_remaining_128KB, \
FixedArena_256KB* : fixed_arena_size_remaining_256KB, \
FixedArena_512KB* : fixed_arena_size_remaining_512KB, \
FixedArena_1MB* : fixed_arena_size_remaining_1MB, \
FixedArena_2MB* : fixed_arena_size_remaining_2MB, \
FixedArena_4MB* : fixed_arena_size_remaining_4MB \
)(expr, alignment)
)"
)));
return result;
}