Пример #1
0
  /**
   * Get self completions when you already have a scope
   *
   * @throws MisconfigurationException
   */
  @SuppressWarnings("unchecked")
  public static void getSelfOrClsCompletions(
      ILocalScope scope,
      CompletionRequest request,
      List theList,
      ICompletionState state,
      boolean getOnlySupers)
      throws BadLocationException, MisconfigurationException {
    for (Iterator<SimpleNode> it = scope.iterator(); it.hasNext(); ) {
      SimpleNode node = it.next();
      if (node instanceof ClassDef) {
        ClassDef d = (ClassDef) node;

        if (getOnlySupers) {
          List gottenComps = new ArrayList();
          for (int i = 0; i < d.bases.length; i++) {
            if (d.bases[i] instanceof Name) {
              Name n = (Name) d.bases[i];
              state.setActivationToken(n.id);
              IToken[] completions;
              try {
                completions =
                    request
                        .nature
                        .getAstManager()
                        .getCompletionsForToken(request.editorFile, request.doc, state);
                gottenComps.addAll(Arrays.asList(completions));
              } catch (CompletionRecursionException e) {
                // ok...
              }
            }
          }
          theList.addAll(gottenComps);
        } else {
          // ok, get the completions for the class, only thing we have to take care now is that we
          // may
          // not have only 'self' for completion, but something like self.foo.
          // so, let's analyze our activation token to see what should we do.

          String trimmed = request.activationToken.replace('.', ' ').trim();
          String[] actTokStrs = trimmed.split(" ");
          if (actTokStrs.length == 0
              || (!actTokStrs[0].equals("self") && !actTokStrs[0].equals("cls"))) {
            throw new AssertionError(
                "We need to have at least one token (self or cls) for doing completions in the class.");
          }

          if (actTokStrs.length == 1) {
            // ok, it's just really self, let's get on to get the completions
            state.setActivationToken(NodeUtils.getNameFromNameTok((NameTok) d.name));
            try {
              theList.addAll(
                  Arrays.asList(
                      request
                          .nature
                          .getAstManager()
                          .getCompletionsForToken(request.editorFile, request.doc, state)));
            } catch (CompletionRecursionException e) {
              // ok
            }

          } else {
            // it's not only self, so, first we have to get the definition of the token
            // the first one is self, so, just discard it, and go on, token by token to know what is
            // the last
            // one we are completing (e.g.: self.foo.bar)
            int line = request.doc.getLineOfOffset(request.documentOffset);
            IRegion region = request.doc.getLineInformationOfOffset(request.documentOffset);
            int col = request.documentOffset - region.getOffset();

            // ok, try our best shot at getting the module name of the current buffer used in the
            // request.
            String modName = "";
            File requestFile = request.editorFile;
            if (request.editorFile != null) {
              String resolveModule = request.nature.resolveModule(requestFile);
              if (resolveModule != null) {
                modName = resolveModule;
              }
            }

            IModule module =
                AbstractModule.createModuleFromDoc(
                    modName, requestFile, request.doc, request.nature, line);

            AbstractASTManager astMan = ((AbstractASTManager) request.nature.getAstManager());
            theList.addAll(
                new AssignAnalysis()
                    .getAssignCompletions(
                        astMan,
                        module,
                        new CompletionState(
                            line, col, request.activationToken, request.nature, request.qualifier))
                    .completions);
          }
        }
      }
    }
  }
  @Override
  public void addProps(
      MarkerAnnotationAndPosition markerAnnotation,
      IAnalysisPreferences analysisPreferences,
      String line,
      PySelection ps,
      int offset,
      IPythonNature nature,
      PyEdit edit,
      List<ICompletionProposal> props)
      throws BadLocationException, CoreException {
    if (nature == null) {
      return;
    }

    ICodeCompletionASTManager astManager = nature.getAstManager();
    if (astManager == null) {
      return;
    }

    if (markerAnnotation.position == null) {
      return;
    }
    IMarker marker = markerAnnotation.markerAnnotation.getMarker();
    Integer id = (Integer) marker.getAttribute(AnalysisRunner.PYDEV_ANALYSIS_TYPE);
    int start = markerAnnotation.position.offset;
    int end = start + markerAnnotation.position.length;
    ps.setSelection(start, end);
    String markerContents;
    try {
      markerContents = ps.getSelectedText();
    } catch (Exception e1) {
      return; // Selection may be wrong.
    }

    IDocument doc = ps.getDoc();
    List<String> parametersAfterCall = ps.getParametersAfterCall(end);

    switch (id) {
      case IAnalysisPreferences.TYPE_UNDEFINED_VARIABLE:
        addCreateClassOption(ps, edit, props, markerContents, parametersAfterCall);

        addCreateMethodOption(ps, edit, props, markerContents, parametersAfterCall);
        break;

      case IAnalysisPreferences.TYPE_UNDEFINED_IMPORT_VARIABLE:
        // Say we had something as:
        // import sys
        // sys.Bar
        // in which case 'Bar' is undefined
        // in this situation, the activationTokenAndQual would be "sys." and "Bar"
        // and we want to get the definition for "sys"
        String[] activationTokenAndQual = ps.getActivationTokenAndQual(true);

        if (activationTokenAndQual[0].endsWith(".")) {
          ArrayList<IDefinition> selected = findDefinitions(nature, edit, start - 2, doc);

          for (IDefinition iDefinition : selected) {

            IModule module = iDefinition.getModule();
            if (module.getFile() != null) {
              Definition definition = (Definition) iDefinition;
              File file = module.getFile();
              if (definition.ast == null) {
                // if we have no ast in the definition, it means the module itself was found (global
                // scope)

                // Add option to create class at the given module!
                addCreateClassOption(ps, edit, props, markerContents, parametersAfterCall, file);

                addCreateMethodOption(ps, edit, props, markerContents, parametersAfterCall, file);
              } else if (definition.ast instanceof ClassDef) {
                ClassDef classDef = (ClassDef) definition.ast;
                // Ok, we should create a field or method in this case (accessing a classmethod or
                // staticmethod)
                PyCreateMethodOrField pyCreateMethod = new PyCreateMethodOrField();
                String className = NodeUtils.getNameFromNameTok(classDef.name);
                pyCreateMethod.setCreateInClass(className);
                pyCreateMethod.setCreateAs(PyCreateMethodOrField.CLASSMETHOD);
                addCreateClassmethodOption(
                    ps,
                    edit,
                    props,
                    markerContents,
                    parametersAfterCall,
                    pyCreateMethod,
                    file,
                    className);
              }
            }
          }
        }
        break;

      case IAnalysisPreferences.TYPE_UNRESOLVED_IMPORT:
        // This case is the following: from other_module4 import Foo
        // with 'Foo' being undefined.
        // So, we have to suggest creating a Foo class/method in other_module4
        PyImportsHandling importsHandling = new PyImportsHandling(ps.getDoc(), false);
        int offsetLine = ps.getLineOfOffset(start);
        String selectedText = ps.getSelectedText();

        Tuple<IModule, String> found = null;
        String foundFromImportStr = null;
        boolean isImportFrom = false;
        OUT:
        for (ImportHandle handle : importsHandling) {
          if (handle.startFoundLine == offsetLine
              || handle.endFoundLine == offsetLine
              || (handle.startFoundLine < offsetLine && handle.endFoundLine > offsetLine)) {
            List<ImportHandleInfo> importInfo = handle.getImportInfo();
            for (ImportHandleInfo importHandleInfo : importInfo) {
              String fromImportStr = importHandleInfo.getFromImportStr();
              List<String> importedStr = importHandleInfo.getImportedStr();
              for (String imported : importedStr) {
                if (selectedText.equals(imported)) {
                  if (fromImportStr != null) {
                    foundFromImportStr = fromImportStr + "." + imported;
                    isImportFrom = true;
                  } else {
                    // if fromImportStr == null, it's not a from xxx import yyy (i.e.: simple
                    // import)
                    foundFromImportStr = imported;
                  }
                  try {
                    String currentModule = nature.resolveModule(edit.getEditorFile());
                    ICompletionState state =
                        CompletionStateFactory.getEmptyCompletionState(
                            nature, new CompletionCache());

                    found =
                        nature
                            .getAstManager()
                            .findModule(
                                foundFromImportStr,
                                currentModule,
                                state,
                                new SourceModule(
                                    currentModule, edit.getEditorFile(), edit.getAST(), null));
                  } catch (Exception e) {
                    Log.log(e);
                  }
                  break OUT;
                }
              }
            }
            break OUT;
          }
        }

        boolean addOptionToCreateClassOrMethod = isImportFrom;

        if (found != null && found.o1 != null) {
          // Ok, we found a module, now, it may be that we still have to create some intermediary
          // modules
          // or just create a class or method at the end.
          if (found.o1 instanceof SourceModule) {

            // if all was found, there's nothing left to create.
            if (found.o2 != null && found.o2.length() > 0) {
              SourceModule sourceModule = (SourceModule) found.o1;
              File file = sourceModule.getFile();

              if (found.o2.indexOf('.') != -1) {
                // We have to create some intermediary structure.
                if (!addOptionToCreateClassOrMethod) {

                  // Cannot create class or method from the info (only the module structure).
                  if (sourceModule.getName().endsWith(".__init__")) {
                    File f = getFileStructure(file.getParentFile(), found.o2);
                    addCreateModuleOption(ps, edit, props, markerContents, f);
                  }

                } else {
                  // Ok, the leaf may be a class or method.
                  if (sourceModule.getName().endsWith(".__init__")) {
                    String moduleName = FullRepIterable.getWithoutLastPart(sourceModule.getName());
                    String withoutLastPart = FullRepIterable.getWithoutLastPart(found.o2);
                    moduleName += "." + withoutLastPart;

                    String classOrMethodName = FullRepIterable.getLastPart(found.o2);

                    File f = getFileStructure(file.getParentFile(), withoutLastPart);
                    addCreateClassInNewModuleOption(
                        ps, edit, props, classOrMethodName, moduleName, parametersAfterCall, f);
                    addCreateMethodInNewModuleOption(
                        ps, edit, props, classOrMethodName, moduleName, parametersAfterCall, f);
                  }
                }

              } else {
                // Ok, it's all there, we just have to create the leaf.
                if (!addOptionToCreateClassOrMethod
                    || sourceModule.getName().endsWith(".__init__")) {
                  // Cannot create class or method from the info (only the module structure).
                  if (sourceModule.getName().endsWith(".__init__")) {
                    File f =
                        new File(
                            file.getParent(),
                            found.o2 + FileTypesPreferencesPage.getDefaultDottedPythonExtension());
                    addCreateModuleOption(ps, edit, props, markerContents, f);
                  }
                } else {
                  // Ok, the leaf may be a class or method.
                  addCreateClassOption(ps, edit, props, markerContents, parametersAfterCall, file);
                  addCreateMethodOption(ps, edit, props, markerContents, parametersAfterCall, file);
                }
              }
            }
          }

        } else if (foundFromImportStr != null) {
          // We couldn't find anything there, so, we have to create the modules structure as needed
          // and
          // maybe create a class or module at the end (but only if it's an import from).
          // Ok, it's all there, we just have to create the leaf.

          // Discover the source folder where we should create the structure.

          File editorFile = edit.getEditorFile();
          String onlyProjectPythonPathStr =
              nature.getPythonPathNature().getOnlyProjectPythonPathStr(false);
          List<String> split =
              StringUtils.splitAndRemoveEmptyTrimmed(onlyProjectPythonPathStr, '|');
          for (int i = 0; i < split.size(); i++) {
            String fullPath = FileUtils.getFileAbsolutePath(split.get(i));
            fullPath = PythonPathHelper.getDefaultPathStr(fullPath);
            split.set(i, fullPath);
          }
          HashSet<String> projectSourcePath = new HashSet<String>(split);
          if (projectSourcePath.size() == 0) {
            return; // No source folder for editor... this shouldn't happen (code analysis wouldn't
            // even run on it).
          }
          String fullPath = FileUtils.getFileAbsolutePath(editorFile);
          fullPath = PythonPathHelper.getDefaultPathStr(fullPath);
          String foundSourceFolderFullPath = null;
          if (projectSourcePath.size() == 1) {
            foundSourceFolderFullPath = projectSourcePath.iterator().next();
          } else {
            for (String string : projectSourcePath) {
              if (fullPath.startsWith(string)) {
                // Use this as the source folder
                foundSourceFolderFullPath = string;
                break;
              }
            }
          }
          if (foundSourceFolderFullPath != null) {

            if (!addOptionToCreateClassOrMethod) {
              // Cannot create class or method from the info (only the module structure).

              File f = getFileStructure(new File(foundSourceFolderFullPath), foundFromImportStr);
              addCreateModuleOption(ps, edit, props, foundFromImportStr, f);

            } else {
              // Ok, the leaf may be a class or method.
              String moduleName = FullRepIterable.getWithoutLastPart(foundFromImportStr);
              File file = getFileStructure(new File(foundSourceFolderFullPath), moduleName);
              String lastPart = FullRepIterable.getLastPart(foundFromImportStr);
              addCreateClassInNewModuleOption(
                  ps, edit, props, lastPart, moduleName, parametersAfterCall, file);
              addCreateMethodInNewModuleOption(
                  ps, edit, props, lastPart, moduleName, parametersAfterCall, file);
            }
          }
        }
        break;
    }
  }