ILaunchConfigurationType.getSourcePathComputer()
Returns the source path computer registered with this launch configuration
type or null if unspecified.
ILaunchManager.getSourcePathComputer(
ILaunchConfiguration configuration)
Returns a source path computer to compute a default source lookup path for
the given launch configuration, or null if a source path
computer has not been registered for the associated launch configuration
type.
ILaunchManager.getSourcePathComputer(
String id)
Returns the source path computer extension registered with the given
unique identifier, or null if none.