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Re-implemented allocation calculations

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This commit is contained in:
Johan B.W. de Vries 2022-12-18 14:31:17 +01:00
parent 6d426753c8
commit d18f1c6956
1 changed files with 25 additions and 2 deletions
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27
phasm/compiler.py
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@ -771,7 +771,30 @@ def _generate_struct_constructor(wgn: WasmGenerator, inp: ourlang.StructConstruc
wgn.local.get(tmp_var)
def _calculate_alloc_size(typ: Union[type3types.StructType3, type3types.Type3]) -> int:
return 0 # FIXME: Stub
if typ is type3types.u8:
return 1
if typ is type3types.u32 or typ is type3types.i32 or typ is type3types.f32:
return 4
if typ is type3types.u64 or typ is type3types.i64 or typ is type3types.f64:
return 8
if isinstance(typ, type3types.StructType3):
return sum(
_calculate_alloc_size(x)
for x in typ.members.values()
)
raise NotImplementedError(_calculate_alloc_size, typ)
def _calculate_member_offset(struct_type3: type3types.StructType3, member: str) -> int:
return 0 # FIXME: Stub
result = 0
for mem, memtyp in struct_type3.members.items():
if member == mem:
return result
result += _calculate_alloc_size(memtyp)
raise Exception(f'{member} not in {struct_type3}')