kaveri插件分析
1）SliceAnnotate。jave文件的361行的handSelectionForSlice处理了edit的selection时间响应，并根据得到的java源代码获取jimple语句。
1 /** 2 * Update the slice view with the information from the current selection. 3 * 4 * @param selection 5 */ 6 private void handleSelectionForSliceView(ISelection selection) { 7 final ITextSelection _tSelect = (ITextSelection) selection; 8 if (editor != null) { 9 String _text = ""; 10 final int _nSelLine = _tSelect.getEndLine() + 1; 11 try { 12 final IRegion _region = editor.getDocumentProvider() 13 .getDocument(editor.getEditorInput()) 14 .getLineInformation(_nSelLine - 1); 15 16 _text = editor.getDocumentProvider().getDocument( 17 editor.getEditorInput()).get(_region.getOffset(), 18 _region.getLength()); 19 } catch (BadLocationException _ble) { 20 KaveriErrorLog.logException("Bad Location Exception", _ble); 21 SECommons.handleException(_ble); 22 return; 23 } 24 _text = _text.trim(); 25 26 try { 27 final IType _type = SelectionConverter.getTypeAtOffset(editor); 28 final IJavaElement _element = SelectionConverter 29 .getElementAtOffset(editor); 30 if (_element != null && _element instanceof IMethod) { 31 final IFile _file = ((IFileEditorInput) editor 32 .getEditorInput()).getFile(); 33 34 final List _stmtlist = SootConvertor.getStmtForLine(_file, 35 _type, (IMethod) _element, _nSelLine); 36 37 if (_stmtlist != null && _stmtlist.size() >= 3) { 38 final PartialStmtData _psd = KaveriPlugin.getDefault() 39 .getIndusConfiguration().getStmtList(); 40 41 _psd.setJavaFile(_file); 42 _psd.setSelectedStatement(_text); 43 _psd.setClassName(PrettySignature.getSignature(_type)); 44 _psd.setMethodName(PrettySignature 45 .getSignature((IMethod) _element)); 46 _psd.setLineNo(_nSelLine); 47 _psd.setStmtList(_stmtlist); 48 } 49 } 50 } catch (JavaModelException e) { 51 KaveriErrorLog.logException("Java Model Exception", e); 52 SECommons.handleException(e); 53 } 54 55 } 56 }
从一个文件中获取类IndusDecorator.java的134行： final List _lst = SECommons.getClassesInFile(_file);
把一个class转变成sootclass，TagToAnnotationMapper的第73行 ：
if (Scene.v().containsClass(_className)) {
_sootclass = Scene.v().getSootClass(_className);
final IProject _project = _file.getProject();
final IJavaProject _jp = JavaCore.create(_project);
1 for (int _i = 0; _i < fileList.size(); _i++) { 2 final IFile _javaFile = (IFile) fileList.get(_i); 3 final ICompilationUnit _icunit = (ICompilationUnit) JavaCore 4 .create(_javaFile); 5 6 if (_icunit != null) { 7 IType[] _types = null; 8 9 _types = _icunit.getAllTypes(); 10 11 for (int _nrun = 0; _nrun < _types.length; _nrun++) { 12 final String _elemName = _types[_nrun] 13 .getFullyQualifiedName(); 14 _classNamesList.add(_elemName); 15 } 16 } 17 } 18 19 Options.v().set_keep_line_number(true);/*设置保留行号*/ 20 21 if (fileList.size() > 0) { 22 final IFile _file = (IFile) fileList.get(0); 23 final IProject _project = _file.getProject(); 24 final IJavaProject _jproject = JavaCore.create(_project); 25 26 final List _listoffiles = SECommons.processForFiles(_jproject); 27 if (_listoffiles != null && _listoffiles.size() > 0) { 28 completeFileList = _listoffiles; 29 final List _classlist = new LinkedList(); 30 for (int _i = 0; _i < _listoffiles.size(); _i++) { 31 final IFile _jfile = (IFile) _listoffiles.get(_i); 32 _classlist.addAll(SECommons.getClassesInFile(_jfile)); 33 } 34 driver.setApplicationClasses(_classlist); 35 } 36 }/*这一段代码示范了java文件和类之间的转换*/ 37 38 /*EclipseIndusDriver下面这段代码显示了怎么把class转化为sootclass其中scence是Soot.Scence*/ 39 public void setApplicationClasses(List classes) { 40 for (int _i = 0; _i < classes.size(); _i++) { 41 final String _classname = (String) classes.get(_i); 42 try { 43 final SootClass _sootclass = scene.getSootClass(_classname); 44 if (_sootclass != null) { 45 _sootclass.setApplicationClass(); 46 } 47 48 } catch (RuntimeException _rme) { 49 50 } 51 } 52 } 53 54 55 56 57 58 59 public int getLineNumber(IFile javafile, int offset){ 60 try{ 61 int lineNumber = 0; 62 int totalOffset = 0; 63 InputStreamReader is = new InputStreamReader(javafile.getContents()); 64 BufferedReader br=new BufferedReader(is); 65 String str; 66 //char[] charset = new char[offset+1]; 67 68 //br.read(charset); 69 while((str = br.readLine())!= null){ 70 totalOffset = totalOffset + str.length() + 2; 71 lineNumber = lineNumber + 1; 72 if(totalOffset > offset){ 73 break; 74 } 75 } 76 return lineNumber; 77 } 78 catch(Exception e){ 79 return 0; 80 } 81 82 } 83 84 public void divideStatement(List _fileList){ 85 Iterator i = _fileList.iterator(); 86 while(i.hasNext()){ 87 try{ 88 IFile ifile = (IFile)i.next(); 89 final ICompilationUnit _icunit = (ICompilationUnit) JavaCore 90 .create(ifile); 91 IType[] _types = null; 92 93 _types = _icunit.getAllTypes(); 94 IJavaElement[] ie = _icunit.getChildren(); 95 for(int j=0; j<ie.length; j++){ 96 IJavaElement _ie = ie[j]; 97 System.out.println(_ie.getElementName()); 98 if (_ie != null && _ie instanceof IMethod) { 99 IMethod im = (IMethod) _ie; 100 String str = im.getElementName(); 101 System.out.println(str); 102 } 103 } 104 for (int _nrun = 0; _nrun < _types.length; _nrun++) { 105 IType it = _types[_nrun]; 106 IJavaElement[] ije = it.getChildren(); 107 for(int k=0; k<ije.length; k++){ 108 IJavaElement _ij = ije[k]; 109 System.out.println(_ij.getElementName()); 110 if (_ij != null && _ij instanceof IMethod) { 111 IMethod im = (IMethod) _ij; 112 //int hdh = im.getOccurrenceCount(); 113 //System.out.println(hdh); 114 ISourceRange isr = im.getSourceRange(); 115 //System.out.println(im.getSource()); 116 int offset = isr.getOffset(); 117 int length = isr.getLength(); 118 System.out.println(this.getLineNumber(ifile, offset)); 119 System.out.println(this.getLineNumber(ifile, offset+length)); 120 String str = im.getElementName(); 121 System.out.println(str); 122 } 123 } 124 final String _elemName = _types[_nrun] 125 .getFullyQualifiedName(); 126 127 System.out.println(_elemName); 128 } 129 130 } 131 catch(Exception e){ 132 return; 133 } 134 } 135 }
