Examples with ItemPointer org.python.pydev.ast.item_pointer.ItemPointer used on opensource projects

Example 1 with ItemPointer

use of org.python.pydev.ast.item_pointer.ItemPointer in project Pydev by fabioz.

the class AnalysisPlugin method getDefinitionFromIInfo.

/**
 * @param pointers the list where the pointers will be added (if null, a new one will be created).
 * @param manager the manager to be used to get the definition.
 * @param nature the nature to be used.
 * @param info the info that we are looking for.
 * @param force whether we should force getting the ItemPointer if it's not readily available.
 * @return whether we actually tried to look for a completion or just bailed out due to force being == false.
 */
public static boolean getDefinitionFromIInfo(List<ItemPointer> pointers, ICodeCompletionASTManager manager, IPythonNature nature, IInfo info, ICompletionState completionCache, boolean requireIDefinition, boolean force) {
    if (pointers == null) {
        pointers = new ArrayList<>();
    }
    if (!requireIDefinition) {
        String file = info.getFile();
        if (file != null) {
            File f = new File(file);
            int line = info.getLine();
            int col = info.getCol();
            if (line > 0 && col > 0) {
                // 0 is invalid.
                ItemPointer itemPointer = new ItemPointer(f, new Location(line - 1, col - 1), new Location(line - 1, col - 1), null, null, f.toURI());
                pointers.add(itemPointer);
                return true;
            }
        }
    }
    if (!force) {
        return false;
    }
    IModule mod;
    String tok;
    mod = manager.getModule(info.getDeclaringModuleName(), nature, true, completionCache);
    if (mod != null) {
        if (info.getType() == IInfo.MOD_IMPORT_TYPE) {
            Definition definition = new Definition(1, 1, "", null, null, mod);
            PyRefactoringFindDefinition.getAsPointers(pointers, new Definition[] { definition });
            return true;
        }
        // ok, now that we found the module, we have to get the actual definition
        tok = "";
        String path = info.getPath();
        if (path != null && path.length() > 0) {
            tok = path + ".";
        }
        tok += info.getName();
        try {
            IDefinition[] definitions = mod.findDefinition(CompletionStateFactory.getEmptyCompletionState(tok, nature, completionCache), -1, -1, nature);
            if ((definitions == null || definitions.length == 0) && path != null && path.length() > 0) {
                // this can happen if we have something as an attribute in the path:
                // class Bar(object):
                // def __init__(self):
                // self.xxx = 10
                // 
                // so, we'de get a find definition for Bar.__init__.xxx which is something we won't find
                // for now, let's simply return a match in the correct context (although the correct way of doing
                // it would be analyzing that context to find the match)
                IDefinition[] contextDefinitions = mod.findDefinition(CompletionStateFactory.getEmptyCompletionState(path, nature, completionCache), -1, -1, nature);
                if (contextDefinitions != null && contextDefinitions.length > 0) {
                    for (IDefinition iDefinition : contextDefinitions) {
                        if (iDefinition instanceof Definition) {
                            Definition definition = (Definition) iDefinition;
                            if (definition.ast instanceof FunctionDef) {
                                FunctionDef functionDef = (FunctionDef) definition.ast;
                                if (functionDef.args != null) {
                                    exprType[] args = functionDef.args.args;
                                    if (args != null && args.length > 0) {
                                        // I.e.: only analyze functions with at least one argument (for self or cls).
                                        Map<String, SourceToken> repToTokenWithArgs = new HashMap<String, SourceToken>();
                                        HeuristicFindAttrs heuristicFindAttrs = new HeuristicFindAttrs(HeuristicFindAttrs.WHITIN_ANY, HeuristicFindAttrs.IN_ASSIGN, "", definition.module.getName(), null, repToTokenWithArgs, nature);
                                        heuristicFindAttrs.visitFunctionDef(functionDef);
                                        List<IToken> tokens = heuristicFindAttrs.getTokens();
                                        List<IDefinition> newDefs = new ArrayList<>();
                                        for (IToken iToken : tokens) {
                                            if (info.getName().equals(iToken.getRepresentation())) {
                                                newDefs.add(new Definition(iToken, definition.scope, definition.module));
                                            }
                                        }
                                        definitions = newDefs.toArray(new IDefinition[newDefs.size()]);
                                    }
                                }
                            }
                        }
                    }
                }
            }
            PyRefactoringFindDefinition.getAsPointers(pointers, definitions);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
    return true;
}

Example 2 with ItemPointer

use of org.python.pydev.ast.item_pointer.ItemPointer in project Pydev by fabioz.

the class TddCodeGenerationQuickFixParticipant method getTddProps.

public List<ICompletionProposalHandle> getTddProps(PySelection ps, IImageCache imageCache, File f, IPythonNature nature, PyEdit edit, int offset, List<ICompletionProposalHandle> ret) {
    if (ret == null) {
        ret = new ArrayList<ICompletionProposalHandle>();
    }
    // Additional option: Generate markers for 'self.' accesses
    int lineOfOffset = ps.getLineOfOffset(offset);
    String lineContents = ps.getLine(lineOfOffset);
    // Additional option: Generate methods for function calls
    List<TddPossibleMatches> callsAtLine = ps.getTddPossibleMatchesAtLine();
    if (callsAtLine.size() > 0) {
        // Make sure we don't check the same thing twice.
        Map<String, TddPossibleMatches> callsToCheck = new HashMap<String, TddPossibleMatches>();
        for (TddPossibleMatches call : callsAtLine) {
            String callString = call.initialPart + call.secondPart;
            callsToCheck.put(callString, call);
        }
        CONTINUE_FOR: for (Map.Entry<String, TddPossibleMatches> entry : callsToCheck.entrySet()) {
            // we have at least something as SomeClass(a=2,c=3) or self.bar or self.foo.bar() or just foo.bar, etc.
            IPyRefactoring pyRefactoring = AbstractPyRefactoring.getPyRefactoring();
            try {
                TddPossibleMatches possibleMatch = entry.getValue();
                String callWithoutParens = entry.getKey();
                ItemPointer[] pointers = null;
                PySelection callPs = null;
                TddPossibleMatches lastPossibleMatchNotFound = possibleMatch;
                for (int i = 0; i < 10; i++) {
                    // more than 10 attribute accesses in a line? No way!
                    lastPossibleMatchNotFound = possibleMatch;
                    if (i > 0) {
                        // We have to take 1 level out of the match... i.e.: if it was self.foo.get(), search now for self.foo.
                        String line = FullRepIterable.getWithoutLastPart(possibleMatch.full);
                        List<TddPossibleMatches> tddPossibleMatchesAtLine = ps.getTddPossibleMatchesAtLine(line);
                        if (tddPossibleMatchesAtLine.size() > 0) {
                            possibleMatch = tddPossibleMatchesAtLine.get(0);
                            callWithoutParens = possibleMatch.initialPart + possibleMatch.secondPart;
                        } else {
                            continue CONTINUE_FOR;
                        }
                    }
                    String full = possibleMatch.full;
                    int indexOf = lineContents.indexOf(full);
                    if (indexOf < 0) {
                        Log.log("Did not expect index < 0.");
                        continue CONTINUE_FOR;
                    }
                    callPs = new PySelection(ps.getDoc(), ps.getLineOffset() + indexOf + callWithoutParens.length());
                    RefactoringRequest request = new RefactoringRequest(f, callPs, null, nature, edit);
                    // Don't look in additional info.
                    request.setAdditionalInfo(RefactoringRequest.FIND_DEFINITION_IN_ADDITIONAL_INFO, false);
                    pointers = pyRefactoring.findDefinition(request);
                    if (((pointers != null && pointers.length > 0) || StringUtils.count(possibleMatch.full, '.') <= 1)) {
                        break;
                    }
                }
                if (pointers == null || callPs == null) {
                    continue CONTINUE_FOR;
                }
                if (lastPossibleMatchNotFound != null && lastPossibleMatchNotFound != possibleMatch && pointers.length >= 1) {
                    // Ok, as we were analyzing a string as self.bar.foo, we didn't find something in a pass
                    // i.e.: self.bar.foo, but we found it in a second pass
                    // as self.bar, so, this means we have to open the chance to create the 'foo' in self.bar.
                    String methodToCreate = FullRepIterable.getLastPart(lastPossibleMatchNotFound.secondPart);
                    int absoluteCursorOffset = callPs.getAbsoluteCursorOffset();
                    // +1 for the dot removed too.
                    absoluteCursorOffset = absoluteCursorOffset - (1 + methodToCreate.length());
                    PySelection newSelection = new PySelection(callPs.getDoc(), absoluteCursorOffset);
                    checkCreationBasedOnFoundPointers(edit, callPs, ret, possibleMatch, pointers, methodToCreate, newSelection, nature);
                    continue CONTINUE_FOR;
                }
                if (pointers.length >= 1) {
                    // the __init__ or something at the class level).
                    if (!checkInitCreation(edit, callPs, pointers, ret)) {
                        // This was called only when isCall == false
                        // Ok, if it's not a call and we found a field, it's still possible that we may want to create
                        // a field if it wasn't found in the __init__
                        boolean foundInInit = false;
                        for (ItemPointer p : pointers) {
                            Definition definition = p.definition;
                            try {
                                Object peek = definition.scope.getScopeStack().peek();
                                if (peek instanceof FunctionDef) {
                                    FunctionDef functionDef = (FunctionDef) peek;
                                    String rep = NodeUtils.getRepresentationString(functionDef);
                                    if (rep != null && rep.equals("__init__")) {
                                        foundInInit = true;
                                        break;
                                    }
                                }
                            } catch (Exception e) {
                            }
                        }
                        if (!foundInInit) {
                            checkMethodCreationAtClass(edit, pyRefactoring, callWithoutParens, callPs, ret, lineContents, possibleMatch, f, nature);
                        }
                    }
                } else if (pointers.length == 0) {
                    checkMethodCreationAtClass(edit, pyRefactoring, callWithoutParens, callPs, ret, lineContents, possibleMatch, f, nature);
                }
            } catch (Exception e) {
                if (onGetTddPropsError != null) {
                    onGetTddPropsError.call(e);
                }
                Log.log(e);
            }
        }
    }
    return ret;
}

Example 3 with ItemPointer

use of org.python.pydev.ast.item_pointer.ItemPointer in project Pydev by fabioz.

the class TddCodeGenerationQuickFixParticipant method checkMethodCreationAtClass.

private boolean checkMethodCreationAtClass(PyEdit edit, IPyRefactoring pyRefactoring, String callWithoutParens, PySelection callPs, List<ICompletionProposalHandle> ret, String lineContents, TddPossibleMatches possibleMatch, File f, IPythonNature nature) throws MisconfigurationException, Exception {
    RefactoringRequest request;
    ItemPointer[] pointers;
    // Ok, no definition found for the full string, so, check if we have a dot there and check
    // if it could be a method in a local variable.
    String[] headAndTail = FullRepIterable.headAndTail(callWithoutParens);
    if (headAndTail[0].length() > 0) {
        String methodToCreate = headAndTail[1];
        if (headAndTail[0].equals("self")) {
            // creating something in the current class -- note that if it was self.bar here, we'd treat it as regular
            // (i.e.: no special support for self), so, we wouldn't enter here!
            int firstCharPosition = PySelection.getFirstCharPosition(lineContents);
            LineStartingScope scopeStart = callPs.getPreviousLineThatStartsScope(PySelection.CLASS_TOKEN, false, firstCharPosition);
            String classNameInLine = null;
            if (scopeStart != null) {
                for (Boolean isCall : new Boolean[] { true, false }) {
                    PyCreateMethodOrField pyCreateMethod = new PyCreateMethodOrField();
                    List<String> parametersAfterCall = null;
                    parametersAfterCall = configCreateAsAndReturnParametersAfterCall(callPs, isCall, pyCreateMethod, parametersAfterCall, methodToCreate);
                    String startingScopeLineContents = callPs.getLine(scopeStart.iLineStartingScope);
                    classNameInLine = PySelection.getClassNameInLine(startingScopeLineContents);
                    if (classNameInLine != null && classNameInLine.length() > 0) {
                        pyCreateMethod.setCreateInClass(classNameInLine);
                        addCreateMethodOption(callPs, edit, ret, methodToCreate, parametersAfterCall, pyCreateMethod, classNameInLine);
                    }
                }
            }
            return true;
        }
        int absoluteCursorOffset = callPs.getAbsoluteCursorOffset();
        // +1 for the dot removed too.
        absoluteCursorOffset = absoluteCursorOffset - (1 + methodToCreate.length());
        PySelection newSelection = new PySelection(callPs.getDoc(), absoluteCursorOffset);
        request = new RefactoringRequest(f, newSelection, null, nature, edit);
        // Don't look in additional info.
        request.setAdditionalInfo(RefactoringRequest.FIND_DEFINITION_IN_ADDITIONAL_INFO, false);
        pointers = pyRefactoring.findDefinition(request);
        if (pointers.length == 1) {
            if (checkCreationBasedOnFoundPointers(edit, callPs, ret, possibleMatch, pointers, methodToCreate, newSelection, nature)) {
                return true;
            }
        }
    }
    return false;
}

Example 4 with ItemPointer

use of org.python.pydev.ast.item_pointer.ItemPointer in project Pydev by fabioz.

the class TddCodeGenerationQuickFixParticipant method checkInitCreation.

private boolean checkInitCreation(PyEdit edit, PySelection callPs, ItemPointer[] pointers, List<ICompletionProposalHandle> ret) {
    for (ItemPointer pointer : pointers) {
        Definition definition = pointer.definition;
        if (definition != null && definition.ast instanceof ClassDef) {
            ClassDef d = (ClassDef) definition.ast;
            ASTEntry initEntry = findInitInClass(d);
            if (initEntry == null) {
                // Give the user a chance to create the __init__.
                PyCreateMethodOrField pyCreateMethod = new PyCreateMethodOrField();
                pyCreateMethod.setCreateAs(PyCreateMethodOrField.BOUND_METHOD);
                String className = NodeUtils.getRepresentationString(d);
                pyCreateMethod.setCreateInClass(className);
                List<String> parametersAfterCall = callPs.getParametersAfterCall(callPs.getAbsoluteCursorOffset());
                String displayString = StringUtils.format("Create %s __init__ (%s)", className, definition.module.getName());
                TddRefactorCompletionInModule completion = new TddRefactorCompletionInModule("__init__", tddQuickFixParticipant.imageMethod, displayString, null, displayString, IPyCompletionProposal.PRIORITY_CREATE, edit, definition.module.getFile(), parametersAfterCall, pyCreateMethod, callPs);
                completion.locationStrategy = AbstractPyCreateAction.LOCATION_STRATEGY_FIRST_METHOD;
                ret.add(completion);
                return true;
            }
        }
    }
    return false;
}

Example 5 with ItemPointer

use of org.python.pydev.ast.item_pointer.ItemPointer in project Pydev by fabioz.

the class TddCodeGenerationQuickFixParticipant method checkCreationBasedOnFoundPointers.

public boolean checkCreationBasedOnFoundPointers(PyEdit edit, PySelection callPs, List<ICompletionProposalHandle> ret, TddPossibleMatches possibleMatch, ItemPointer[] pointers, String methodToCreate, PySelection newSelection, IPythonNature nature) throws MisconfigurationException, Exception {
    CompletionCache completionCache = new CompletionCache();
    for (ItemPointer pointer : pointers) {
        Definition definition = pointer.definition;
        try {
            definition = rebaseToClassDefDefinition(nature, completionCache, definition, null);
        } catch (CompletionRecursionException e) {
            // Just keep going.
            Log.log(e);
        }
        if (definition.ast instanceof ClassDef) {
            ClassDef d = (ClassDef) definition.ast;
            String fullName = NodeUtils.getRepresentationString(d) + "." + methodToCreate;
            IToken repInModule = nature.getAstManager().getRepInModule(definition.module, fullName, nature);
            if (repInModule != null) {
                // System.out.println("Skipping creation of: " + fullName); //We found it, so, don't suggest it.
                continue;
            }
            for (Boolean isCall : new Boolean[] { true, false }) {
                // Give the user a chance to create the method we didn't find.
                PyCreateMethodOrField pyCreateMethod = new PyCreateMethodOrField();
                List<String> parametersAfterCall = null;
                parametersAfterCall = configCreateAsAndReturnParametersAfterCall(callPs, isCall, pyCreateMethod, parametersAfterCall, methodToCreate);
                String className = NodeUtils.getRepresentationString(d);
                pyCreateMethod.setCreateInClass(className);
                String displayString = StringUtils.format("Create %s %s at %s (%s)", methodToCreate, pyCreateMethod.getCreationStr(), className, definition.module.getName());
                TddRefactorCompletionInModule completion = new TddRefactorCompletionInModule(methodToCreate, tddQuickFixParticipant != null ? tddQuickFixParticipant.imageMethod : null, displayString, null, displayString, IPyCompletionProposal.PRIORITY_CREATE, edit, definition.module.getFile(), parametersAfterCall, pyCreateMethod, newSelection);
                completion.locationStrategy = AbstractPyCreateAction.LOCATION_STRATEGY_END;
                ret.add(completion);
            }
            return true;
        }
    }
    return false;
}