jextract throws "Invalid Cursor kind value: 602"

[ahoj.41 at seznam.cz]

Thank you Sundar,

The header in deed transitively contains `static_assert` [1].

Previous early access build (Build 17-panama+3-167 (2021/5/18)) works ok though using the same steps to reproduce.

Function that is being extracted doesn't contain the `static_assert` statement, the function is next to the `static_assert` statement so `static_assert` could likely be ignored.

If "jextract only supports C headers" doesn't only mean that C++ constructs cannot be extracted but also that presence of any C++ construct should prevent jextract from working then it would be nice to adjust the exception message. For example "`static_assert` statement  encountered at <line>:<column> of file `/path/to/file.hpp`. C headers are only supported."

Adam

[1]: https://github.com/winfsp/winfsp/blob/0a91292e0502d6629f9a968a168c6e89eea69ea1/inc/winfsp/fsctl.h#L33


---------- Původní e-mail ----------

Od: Sundararajan Athijegannathan <sundararajan.athijegannathan at oracle.com>

Komu: ahoj.41 at seznam.cz <ahoj.41 at seznam.cz>, panama-dev at openjdk.java.net <panama-dev at openjdk.java.net>

Datum: 4. 4. 2022 5:36:44

Předmět: Re: jextract throws "Invalid Cursor kind value: 602"

 .apply-styles P{margin-top:0;margin-bottom:0}

static assert is a C++11 construct. Are you trying to extract a C++ header?







Please note that jextract only supports C headers.







-Sundar




From: panama-dev <panama-dev-retn at openjdk.java.net> on behalf of ahoj.41 at seznam.cz <ahoj.41 at seznam.cz>

Sent: 04 April 2022 07:06

To: panama-dev at openjdk.java.net <panama-dev at openjdk.java.net>

Subject: jextract throws "Invalid Cursor kind value: 602"
 






Hello,









I'd like to report an issue of `jextract` tool and corresponding API `jdk.

incubator.jextract.JextractTool#main` that throws NoSuchElementException 

with message "Invalid Cursor kind value: 602" when called on [winfsp.h][1].









The exception is thrown from method jdk.internal.clang.CursorKind#valueOf

(int) and is likely caused by missing enum item of jdk.internal.clang.

CursorKind corresponding to jdk.internal.clang.libclang.Index_h#CXCursor_

StaticAssert().









Environment:



Windows 10 64b



Early access build 19-panama+1-13 (2022/1/18) SOURCE=".:git:d8c0fe5918cb"









Steps to reproduce:









1. Download directory 
https://github.com/winfsp/winfsp/tree/7527155cb87c382

cab1848b5bf65910c2dead291/inc/winfsp. E.g. into `C:\tmp`.





2. Run snippet









```



JextractTool.main(new String[] {

        "--source",

        "-d", "jextract-demo",

        "-t", "jextract.demo",

        "-I", "C:\\tmp",

        "--include-function", "FspWin32FromNtStatus",

        "C:\\tmp\\winfsp\\winfsp.h"

});





```









Expected result: no exception is thrown









Actual result:









NoSuchElementException is thrown.









Adam











[1]: 
https://github.com/winfsp/winfsp/blob/7527155cb87c382cab1848b5bf65910c2

dead291/inc/winfsp/winfsp.h