[Qgis-developer] QgsExpression: replacement for QgsSearchString

[Tim Sutton]

Hi

On Mon, Aug 29, 2011 at 9:14 AM, Martin Dobias <wonder.sk at gmail.com> wrote:
> Hi Marco
>
> On Mon, Aug 29, 2011 at 8:39 AM, Marco Hugentobler
> <marco.hugentobler at sourcepole.ch> wrote:
>> Hi all
>>
>> Seems it depends also on the bison version.
>> I'm getting some errors with bison 2.3. With bison 2.4.1, it works nicely.
>>
>>  cd /opt/qgisms/src/Quantum-GIS/build/src/core && /usr/bin/bison -
>> o/opt/qgisms/src/Quantum-GIS/build/src/core/qgsexpressionparser.cpp -d -v -t
>> /opt/qgisms/src/Quantum-GIS/src/core/qgsexpressionparser.yy
>> /opt/qgisms/src/Quantum-GIS/src/core/qgsexpressionparser.yy:54.14-19: syntax
>> error, unexpected string, expecting =
>>
>> (bison 2.3 understands only deprecated syntax %name-prefix = "exp_" )
>>
>> cd /opt/qgisms/src/Quantum-GIS/build/src/core && /usr/bin/bison -
>> o/opt/qgisms/src/Quantum-GIS/build/src/core/qgsexpressionparser.cpp -d -v -t
>> /opt/qgisms/src/Quantum-GIS/src/core/qgsexpressionparser.yy
>> /opt/qgisms/src/Quantum-GIS/src/core/qgsexpressionparser.yy:120.28-33: syntax
>> error, unexpected type, expecting string or identifier
>>
>> Seems 2.3 does not support the <> notation. Not sure what to do here...
>
> Looking at the version history of bison, the 2.4.x releases started in
> 2008 while the 2.3 release went out back in 2006. Maybe we could drop
> support for 2.3 ? Apparently even debian stable ships with 2.4.x.
>

FYI I am using 2.4:

C:\dev\cpp>bison --version
bison (GNU Bison) 2.4.1
Written by Robert Corbett and Richard Stallman.

Copyright (C) 2008 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

I tried looking for bison errors but didn't see any (after doing a clean build).

Regards

Tim


> Martin
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>



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