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Data comparison tool (#618)

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* Parse cvdump TYPES section. Add datacmp tool.

* Corrections

* Use static

* Revert "Use static"

This reverts commit e0a4324e00.

* Handle partially initialized variable

* Shuffle order of legounksavedatawriter

* Revert "Shuffle order of legounksavedatawriter"

This reverts commit 506e06f117.

---------

Co-authored-by: Christian Semmler <mail@csemmler.com>
This commit is contained in:
MS
2024-03-05 03:45:09 -05:00
committed by GitHub
parent 068760056a
commit ec1fcce08c
15 changed files with 1347 additions and 82 deletions
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86
tools/isledecomp/tests/test_cvdump.py
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@@ -1,39 +1,59 @@
import pytest
from isledecomp.cvdump.analysis import data_type_info
from isledecomp.cvdump.types import (
scalar_type_size,
scalar_type_pointer,
scalar_type_signed,
)
# These are all the types seen in the cvdump.
# We have char, short, int, long, long long, float, and double all represented
# in both signed and unsigned.
# We can also identify a 4 byte pointer with the T_32 prefix.
# The type T_VOID is used to designate a function's return type.
# T_NOTYPE is specified as the type of "this" for a static function in a class.
# For reference: https://github.com/microsoft/microsoft-pdb/blob/master/include/cvinfo.h
# fmt: off
type_check_cases = [
("T_32PINT4", 4, True),
("T_32PLONG", 4, True),
("T_32PRCHAR", 4, True),
("T_32PREAL32", 4, True),
("T_32PUCHAR", 4, True),
("T_32PUINT4", 4, True),
("T_32PULONG", 4, True),
("T_32PUSHORT", 4, True),
("T_32PVOID", 4, True),
("T_CHAR", 1, False),
("T_INT4", 4, False),
("T_LONG", 4, False),
("T_NOTYPE", 0, False), # ?
("T_QUAD", 8, False),
("T_RCHAR", 1, False),
("T_REAL32", 4, False),
("T_REAL64", 8, False),
("T_SHORT", 2, False),
("T_UCHAR", 1, False),
("T_UINT4", 4, False),
("T_ULONG", 4, False),
("T_UQUAD", 8, False),
("T_USHORT", 2, False),
("T_VOID", 0, False), # ?
("T_WCHAR", 2, False),
]
# Fields are: type_name, size, is_signed, is_pointer
type_check_cases = (
("T_32PINT4", 4, False, True),
("T_32PLONG", 4, False, True),
("T_32PRCHAR", 4, False, True),
("T_32PREAL32", 4, False, True),
("T_32PUCHAR", 4, False, True),
("T_32PUINT4", 4, False, True),
("T_32PULONG", 4, False, True),
("T_32PUSHORT", 4, False, True),
("T_32PVOID", 4, False, True),
("T_CHAR", 1, True, False),
("T_INT4", 4, True, False),
("T_LONG", 4, True, False),
("T_QUAD", 8, True, False),
("T_RCHAR", 1, True, False),
("T_REAL32", 4, True, False),
("T_REAL64", 8, True, False),
("T_SHORT", 2, True, False),
("T_UCHAR", 1, False, False),
("T_UINT4", 4, False, False),
("T_ULONG", 4, False, False),
("T_UQUAD", 8, False, False),
("T_USHORT", 2, False, False),
("T_WCHAR", 2, False, False),
)
# fmt: on
@pytest.mark.parametrize("type_name, size, is_pointer", type_check_cases)
def test_type_check(type_name: str, size: int, is_pointer: bool):
assert (info := data_type_info(type_name)) is not None
assert info[0] == size
assert info[1] == is_pointer
@pytest.mark.parametrize("type_name, size, _, __", type_check_cases)
def test_scalar_size(type_name: str, size: int, _, __):
assert scalar_type_size(type_name) == size
@pytest.mark.parametrize("type_name, _, is_signed, __", type_check_cases)
def test_scalar_signed(type_name: str, _, is_signed: bool, __):
assert scalar_type_signed(type_name) == is_signed
@pytest.mark.parametrize("type_name, _, __, is_pointer", type_check_cases)
def test_scalar_pointer(type_name: str, _, __, is_pointer: bool):
assert scalar_type_pointer(type_name) == is_pointer