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Description
Problem description
I am parsing a project which uses ifdefs. While using pcpp to test variants of the code, some classes were no longer being detected by cppheaderparser. This is because cppheaderparse will leave behind #line 2 where 2 is the line number wherever a preprocessor directive is processed/replaced.
While I'm not sure if #line is valid cpp syntax, I've determined the existence of the # does break cppheaderparser so a valid #define 1 also causes the behavior.
Specifically, the #define 1 below immediately after the class declaration but before the { will break parsing of the class. While this is a toy example and it won't break if the #define is after the {, this may be valid syntax if the class inheritance is controlled by an ifdef.
This was tested with the command line:
python -m CppHeaderParser.tojson processed_playercharacter.h > test_processed.jsonOperating System
MacOS
Installed Python Packages
Package Version
----------------------- ---------
aiocsv 1.2.3
aiofiles 22.1.0
black 23.1.0
bleach 6.0.0
certifi 2022年12月7日
charset-normalizer 3.1.0
click 8.1.3
click-log 0.4.0
colorama 0.4.6
docutils 0.19
dotty-dict 1.3.1
gitdb 4.0.10
GitPython 3.1.31
idna 3.4
importlib-metadata 6.1.0
invoke 1.7.3
jaraco.classes 3.2.3
keyring 23.13.1
more-itertools 9.1.0
mypy 1.1.1
mypy-extensions 1.0.0
numpy 1.24.2
packaging 23.0
pandas 1.5.3
pathspec 0.11.1
pcpp 1.30
pip 22.3.1
pkginfo 1.9.6
platformdirs 3.1.1
ply 3.11
Pygments 2.14.0
python-dateutil 2.8.2
python-gitlab 3.13.0
python-semantic-release 7.33.2
pytz 2023.2
readme-renderer 37.3
requests 2.28.2
requests-toolbelt 0.10.1
rfc3986 2.0.0
robotpy-cppheaderparser 5.1.0
semver 2.13.0
setuptools 65.5.1
six 1.16.0
smmap 5.0.0
tomli 2.0.1
tomlkit 0.11.6
tqdm 4.65.0
twine 3.8.0
typing_extensions 4.5.0
urllib3 1.26.15
webencodings 0.5.1
wheel 0.40.0
zipp 3.15.0
Reproducible example code
namespace RE { class PlayerCharacter #define 1 // This define breaks the discovery of PlayerCharacter. If this line is commented out, the class will be discovered. { } }