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32 lines
1.1 KiB
C
32 lines
1.1 KiB
C
#ifdef INTELLISENSE_DIRECTIVES
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# pragma once
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# include "dsl.h"
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# include "memory.h"
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# include "strings.h"
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#endif
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typedef def_struct(Opts_farena) {
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Str8 type_name;
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SSIZE alignment;
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};
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typedef def_struct(FArena) {
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void* start;
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SSIZE capacity;
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SSIZE used;
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};
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FArena farena_make (Slice_BYTE mem);
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void farena_init (FArena* arena, Slice_BYTE byte);
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Slice_BYTE farena__push (FArena* arena, SSIZE amount, SSIZE type_width, Opts_farena* opts);
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void farena_reset (FArena* arena);
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void farena_rewind(FArena* arena, AllocatorSP save_point);
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AllocatorSP farena_save (FArena arena);
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// void farena_allocator_proc(AllocatorProc_In in, AllocatorProc_Out* out);
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// #define ainfo_farena(arena) (AllocatorInfo){ .proc = farena_allocator_proc, .data = & arena }
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#define farena_push(arena, type, ...) \
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cast(type*, farena__push(arena, size_of(type), 1, opt_args(Opts_farena_push, lit(stringify(type)), __VA_ARGS__))).ptr
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#define farena_push_array(arena, type, amount, ...) \
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(Slice ## type){ farena__push(arena, size_of(type), amount, opt_args(Opts_farena_push, lit(stringify(type)), __VA_ARGS__)).ptr, amount }
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