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ed
2026-08-13 02:13:47 -04:00
parent d5f28b83ea
commit 7f0bdefbcb
7 changed files with 155 additions and 58 deletions
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code/duffle/lottes_tape.h
+7 -7
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@@ -244,9 +244,8 @@ typedef Relative_(FArena) Struct_(AtomBuilder) { U4 start; U4 capacity; U4 used;
FI_ void atombuilder_push(AtomBuilder_R ab, Slice_MipsCode code) {
assert(ab->capacity - ab->used - code.len);
U4 dest = ab->start + ab->used * S_(MipsCode);
mem_copy(dest, u4_(code.ptr), S_slice(code));
mem_bump(ab->start, ab->capacity, & ab->used, code.len);
U4 dest = ab->start + ab->used * S_(MipsCode); U4 size = S_slice(code);
mem_copy(dest, u4_(code.ptr), size); ab->used += size;
}
#define atombuilder_push_mac(ab, mac) atombuilder_push(ab, slice_arg_from_array(Slice_MipsCode, mac))
@@ -257,9 +256,11 @@ FI_ void tb_emit_atombuilder(TapeBuilder_R tb, AtomBuilder_R ab) { tb_emit(tb, a
#pragma endregion Mips Atom Builder
#pragma region Atom Arena
// Just a dedicated FArena that is meant to mem_copy and return atom definitions made with MipsAtom_Proc_
typedef Relative_(FArena) Struct_(AtomArena) { U4 start; U4 capacity; U4 used; };
#define atomarena_unused_start(ab) ((ab).start + (ab).used * S_(MipsCode))
#define atomarena_unused_start(ab) ((ab).start + (ab).used)
FI_ void atomarena_init(AtomArena_R arena, Slice mem) { assert(arena != nullptr);
arena->start = u4_(mem.ptr);
arena->capacity = mem.len;
@@ -268,9 +269,8 @@ FI_ void atomarena_init(AtomArena_R arena, Slice mem) { assert(arena != nullptr
FI_ AtomArena atomarena_make(Slice mem) { AtomArena a; atomarena_init(& a, mem); return a; }
FI_ MipsAtom* atomarena_push(AtomArena_R aa, Slice_MipsCode code) {
assert(aa->capacity - aa->used - code.len);
U4 dest = atomarena_unused_start(aa[0]);
mem_copy(dest, u4_(code.ptr), S_slice(code));
mem_bump(aa->start, aa->capacity, & aa->used, code.len);
U4 dest = atomarena_unused_start(aa[0]); U4 size = S_slice(code);
mem_copy(dest, u4_(code.ptr), size); aa->used += size;
return C_(MipsAtom*, dest);
}
FI_ void atomarena_reset(AtomArena_R aa) { aa->used = 0; }