[Glass] CHeader and CPreprocessor paths as arguments
bruno buzzi brassesco
smalltalk at adinet.com.uy
Thu Jun 25 06:31:46 PDT 2020
Hi,
On GS 3.5 with a default installation (apt-get install libssh-dev) the
wrapper is generated correctly.
But on a manually compiled installation I got the error below.
Which situation could lead to this problem?
The problem is with the following declaration:
LIBSSH_API enum ssh_known_hosts_e
ssh_session_get_known_hosts_entry(ssh_session session,
struct ssh_knownhosts_entry **pentry);
The token is a coma , but is expecting a right parenthesis ). For some
reason it is expecting the end of the declaration but as you can see
above the declaration has 2 arguments. So somehow it is expecting
another declaration .... still researching this...
a Error occurred (error 2710), expected ')' near line 592 in file
/gemstone/3rd-party-bin/
libssh-0.9.4/include/libssh.h
Error (AbstractException) >> _signalWith: @6 line 25
Error (AbstractException) >> signal: @3 line 7
Error class (AbstractException class) >> signal: @3 line 4
CDeclaration >> error: @8 line 3
CDeclaration >> readDirectDeclarator @43 line 24
CDeclaration >> readDeclarator @12 line 14
CDeclaration >> readDeclaration @5 line 12
CHeader >> readOneUnderStorageHandler: @7 line 9
CHeader >> readExternLinkageDeclarationsUnderStorageRegimeFrom: @19 line 19
[] in ExecBlock1 (CHeader) >> readOne @12 line 7
CHeader >> readOneUnderStorageHandler: @9 line 11
CHeader >> readOne @3 line 3
CHeader >> initialize: @25 line 18
CHeader class >> preprocessor: @3 line 4
CHeader class >> path: @3 line 3
Executed Code @3 line 2
GsNMethod class >> _gsReturnToC @1 line 1
On 24/6/2020 14:01, James Foster via Glass wrote:
> Another idea is to generate the wrapper in 3.5.x and then back-port it
> to 3.3.x.
>
>> On Jun 24, 2020, at 9:58 AM, Dale Henrichs via Glass
>> <glass at lists.gemtalksystems.com
>> <mailto:glass at lists.gemtalksystems.com>> wrote:
>>
>> Bruno,
>>
>> Here's our advice:
>>
>> I would think that editing CPreprocessor>>defaultSearchPaths
>> would be a good workaround
>>
>> Keep in mind that 3.5 is using the native preprocessor
>> /usr/bin/cpp
>> for all of the macro expansion and then reading the output of cpp
>> with our CPreprocessor code. 3.3 is trying to do all of the macro
>> expansion in CPreprocessor and that has quite a few bugs that may
>> be triggered by system header files in newer versions of Linux
>> than what 3.3
>> was originally tested with.
>> If you encounter such bugs with 3.3, you might need to run
>> /usr/bin/cpp on the header files of interest and then feed the
>> resulting
>> output to CPreprocessor .
>>
>> Dale
>>
>> On 6/24/20 5:09 AM, bruno buzzi brassesco via Glass wrote:
>>> Hi,
>>>
>>> In GS 3.5 it is possible to pass paths as arguments:
>>> CHeader>>path:searchPaths:
>>>
>>> In GS 3.3.x that method is not present but it will have the same
>>> effect if we add our paths to:
>>> CPreprocessor>>defaultSearchPaths
>>> Can this be a workaround for the error below ?
>>>
>>> Trying to generate a wrapper with:
>>> UserGlobals at: #'LibSsh094' put: (CHeader path:
>>> '/customized/path/libssh.h').
>>>
>>> Answer the error:
>>> Unhandled exception: GS Server Error - GbsGemStoneError - a
>>> UserDefinedError occurred (error 2740), Include file sys/cdefs.h not
>>> found!
>>> [1] GS: UserDefinedError (AbstractException) >> _signalWith: @6
>>> line 25
>>> [2] GS: UserDefinedError (AbstractException) >> signal: @3 line 7
>>> [3] GS: UserDefinedError class (AbstractException class) >> signal:
>>> @3 line 4
>>> [4] GS: CPreprocessor >> include:afterMe: @55 line 39
>>> [5] GS: CPreprocessor >> applyDirectiveToken: @27 line 10
>>> [6] GS: CPreprocessor >> applyToken: @4 line 3
>>> [7] GS: CPreprocessor >> doIf: @11 line 12
>>> [8] GS: CPreprocessor >> ifdef:defined: @22 line 8
>>> [9] GS: CPreprocessor >> applyDirectiveToken: @19 line 8
>>> [10] GS: CPreprocessor >> applyToken: @4 line 3
>>> [11] GS: CPreprocessor >> doIf: @11 line 12
>>> [12] GS: CPreprocessor >> ifdef:defined: @22 line 8
>>> [13] GS: CPreprocessor >> applyDirectiveToken: @19 line 8
>>> [14] GS: CPreprocessor >> applyToken: @4 line 3
>>> [15] GS: CPreprocessor >> doIf: @11 line 12
>>> [16] GS: CPreprocessor >> ifdef:defined: @22 line 8
>>> [17] GS: CPreprocessor >> applyDirectiveToken: @19 line 8
>>> [18] GS: CPreprocessor >> applyToken: @4 line 3
>>> [19] GS: CPreprocessor >> readTillEnd @6 line 7
>>> [20] GS: [] in ExecBlock0 (CPreprocessor) >> includePath: @20 line 12
>>> [21] GS: ExecBlock0 (ExecBlock) >> ensure: @2 line 12
>>> [22] GS: CPreprocessor >> includePath: @16 line 13
>>> [23] GS: [] in ExecBlock1 (CPreprocessor) >> include:afterMe: @68
>>> line 34
>>> [24] GS: OrderedCollection (Collection) >> do: @6 line 10
>>> [25] GS: CPreprocessor >> include:afterMe: @41 line 26
>>> [26] GS: CPreprocessor >> applyDirectiveToken: @27 line 10
>>> [27] GS: CPreprocessor >> applyToken: @4 line 3
>>> [28] GS: CPreprocessor >> doIf: @11 line 12
>>> [29] GS: CPreprocessor >> ifdef:defined: @22 line 8
>>> [30] GS: CPreprocessor >> applyDirectiveToken: @19 line 8
>>> [31] GS: CPreprocessor >> applyToken: @4 line 3
>>> [32] GS: CPreprocessor >> readTillEnd @6 line 7
>>> [33] GS: [] in ExecBlock0 (CPreprocessor) >> includePath: @20 line 12
>>> [34] GS: ExecBlock0 (ExecBlock) >> ensure: @2 line 12
>>> [35] GS: CPreprocessor >> includePath: @16 line 13
>>> [36] GS: [] in ExecBlock1 (CPreprocessor) >> include:afterMe: @68
>>> line 34
>>> [37] GS: OrderedCollection (Collection) >> do: @6 line 10
>>> [38] GS: CPreprocessor >> include:afterMe: @41 line 26
>>> [39] GS: CPreprocessor >> applyDirectiveToken: @27 line 10
>>> [40] GS: CPreprocessor >> applyToken: @4 line 3
>>> [41] GS: CPreprocessor >> doIf: @11 line 12
>>> [42] GS: CPreprocessor >> ifdef:defined: @22 line 8
>>> [43] GS: CPreprocessor >> applyDirectiveToken: @15 line 7
>>> [44] GS: CPreprocessor >> applyToken: @4 line 3
>>> [45] GS: CPreprocessor >> doIf: @11 line 12
>>> [46] GS: CPreprocessor >> ifdef:defined: @22 line 8
>>> [47] GS: CPreprocessor >> applyDirectiveToken: @19 line 8
>>> [48] GS: CPreprocessor >> applyToken: @4 line 3
>>> [49] GS: CPreprocessor >> readTillEnd @6 line 7
>>> [50] GS: [] in ExecBlock0 (CPreprocessor) >> includePath: @20 line 12
>>> [51] GS: ExecBlock0 (ExecBlock) >> ensure: @2 line 12
>>> [52] GS: CPreprocessor >> includePath: @16 line 13
>>> [53] GS: CPreprocessor class >> parseFileAt: @3 line 4
>>> [54] GS: CHeader class >> path: @2 line 3
>>>
>>>
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