我正在尝试借助 CDT Eclipse 框架从我工作区中生成的项目的 C 文件中生成 AST。但是每次我尝试通过 TranslationUnit
ICElement ice = CoreModel.getDefault().create(file);
ITranslationUnit tu= (ITranslationUnit) ice;
ice 和 tu 为空,我收到以下错误
java.lang.NullPointerException
at org.eclipse.cdt.internal.core.pdom.TeamPDOMImportOperation.expandLocation(TeamPDOMImportOperation.java:135)
at org.eclipse.cdt.internal.core.pdom.TeamPDOMImportOperation.getImportLocation(TeamPDOMImportOperation.java:126)
at org.eclipse.cdt.internal.core.pdom.TeamPDOMImportOperation.run(TeamPDOMImportOperation.java:92)
at org.eclipse.cdt.internal.core.pdom.PDOMManager.createIndexer(PDOMManager.java:600)
at org.eclipse.cdt.internal.core.pdom.PDOMSetupJob.run(PDOMSetupJob.java:58)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
我有一个实现 IApplication 扩展的 Eclipse 插件。在运行方法中,我有以下代码。
IProgressMonitor progressMonitor = new NullProgressMonitor();
IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
IProject project = root.getProject("NewProject");
try {
if(project.exists()){
if(project.isOpen())
project.close(null);
project.delete(false, false, progressMonitor);
project.create(progressMonitor);
project.open(progressMonitor);
}
else{
project.create(progressMonitor);
project.open(progressMonitor);
}
if(!project.isNatureEnabled(org.eclipse.cdt.core.CProjectNature.C_NATURE_ID)){
CProjectNature.addCNature(project, null);
}
project.close(null);
project.open(null);
} catch (CoreException e1) {
e1.printStackTrace();
}
IFile file = project.getFile("stub.c");
try {
IPath workspacerawlocation = ResourcesPlugin.getWorkspace().getRoot().getRawLocation();
FileInputStream fileStream = new FileInputStream(workspacerawlocation.append("stub.h").toString());
if(!file.exists())
file.create(fileStream, false, null);
ICElement ice = CoreModel.getDefault().create(file);
if(ice == null)
System.out.println("ice is null");
ITranslationUnit tu= (ITranslationUnit) ice;
if(tu == null){
System.out.println("tu is null");
}
else{
IASTTranslationUnit ast = tu.getAST();
}
} catch (CoreException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
任何人都可以帮忙吗?我错过了一些插件依赖或初始化吗?