[cdt-dev] Clone CDT project

[sim0s <gerasimu_s@xxxxxxxxxxx>]

I'm doing research on refactoring/modernising C++projects and for safety, I'd
like to clone the project and carry out any actual work on the clone.

Here is the code that I use for cloning a project:

	/**
	 * Clone the given project into the workspace under the newProject name
	 */
	public static IProject cloneProject(IProject project, String newProject)
throws CoreException {
		try{			
		    IProgressMonitor monitor = new NullProgressMonitor();
		    IWorkspaceRoot workspaceRoot =
ResourcesPlugin.getWorkspace().getRoot();
		    IProjectDescription projectDescription = project.getDescription();
	
		    // create clone project in workspace
		    IProjectDescription cloneDescription =
workspaceRoot.getWorkspace().newProjectDescription(newProject);
		    // copy project files
		    project. copy(cloneDescription, true, monitor);
		    IProject clone = workspaceRoot.getProject(newProject);
		    
		    // copy the project properties
		    cloneDescription.setNatureIds(projectDescription.getNatureIds());
		   
cloneDescription.setReferencedProjects(projectDescription.getReferencedProjects());
		   
cloneDescription.setDynamicReferences(projectDescription.getDynamicReferences());
		    cloneDescription.setBuildSpec(projectDescription.getBuildSpec());
		   
cloneDescription.setReferencedProjects(projectDescription.getReferencedProjects());
		    clone.setDescription(cloneDescription, null);
		    return clone;
		}
		catch (CoreException e){
			e.printStackTrace();
			MessageUtility.writeToConsole("console", e.getMessage());
			return null;
		}
	}

This code works fine, but when I try to analyse cloned project I receive 
the exception:
java.lang.Exception: Unsafe method call. Instantiation of dependent
expressions may not work.

on the following function calls:
- ICPPClassType.getBases()
- ICPPClassType.getConstructors()

An old  thread <https://www.eclipse.org/forums/index.php/t/72925/>  
provides a code snippet for creating a new CDT project (also provided in the 
ResourceHelper
<https://github.com/eclipse/cdt/blob/master/core/org.eclipse.cdt.core.tests/suite/org/eclipse/cdt/core/testplugin/ResourceHelper.java>  
class). 

I'm currently exploring how to use this code to achieve my task. Any help is
appreciated. 






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