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Re: [cdt-dev] DSF/GDB: context types required to create an expression
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On 21/06/2010 2:10 PM, Pawel Piech wrote:
I may be useful to have a little bit of a design discussion around
this. Are you planning to implement a register service which
delegates to the expression service for evaluation (PDA example does
this). Or are you going to create a register service which re-uses
the MIvariableManager and does a lot of similar stuff that the
expression service does. The former would be much simpler I think,
though the latter will give you more control in case you run into
performance or other issues.
Cheers,
Pawel
For our commercial product I added the following new interface:
public interface IGDBRegisters extends IRegisters {
public interface IGDBRegisterDMContext extends IRegisterDMContext,
IExpressionDMContext {
}
public interface IGDBRegisterDMData extends IRegisterDMData,
IExpressionDMData {
}
}
The implementation of of this service extends the existing MIRegisters
class. I also implemented my own RegisterVMNode that extends
GdbVariableVMNode.
Note that all these changes are GDB/MI specific and no changes in the
basic DSF services is required.
This also answers Marc's question: my register DM context extends
MIExpressionDMC and requires a parent.
Mikhail
