Examples with MethodInvocation org.eclipse.jdt.core.dom.MethodInvocation used on opensource projects

Example 76 with MethodInvocation

use of org.eclipse.jdt.core.dom.MethodInvocation in project che by eclipse.

the class StubUtility method getBaseNameFromExpression.

private static String getBaseNameFromExpression(IJavaProject project, Expression assignedExpression, int variableKind) {
    String name = null;
    if (assignedExpression instanceof CastExpression) {
        assignedExpression = ((CastExpression) assignedExpression).getExpression();
    }
    if (assignedExpression instanceof Name) {
        Name simpleNode = (Name) assignedExpression;
        IBinding binding = simpleNode.resolveBinding();
        if (binding instanceof IVariableBinding)
            return getBaseName((IVariableBinding) binding, project);
        return ASTNodes.getSimpleNameIdentifier(simpleNode);
    } else if (assignedExpression instanceof MethodInvocation) {
        name = ((MethodInvocation) assignedExpression).getName().getIdentifier();
    } else if (assignedExpression instanceof SuperMethodInvocation) {
        name = ((SuperMethodInvocation) assignedExpression).getName().getIdentifier();
    } else if (assignedExpression instanceof FieldAccess) {
        return ((FieldAccess) assignedExpression).getName().getIdentifier();
    } else if (variableKind == NamingConventions.VK_STATIC_FINAL_FIELD && (assignedExpression instanceof StringLiteral || assignedExpression instanceof NumberLiteral)) {
        String string = assignedExpression instanceof StringLiteral ? ((StringLiteral) assignedExpression).getLiteralValue() : ((NumberLiteral) assignedExpression).getToken();
        StringBuffer res = new StringBuffer();
        boolean needsUnderscore = false;
        for (int i = 0; i < string.length(); i++) {
            char ch = string.charAt(i);
            if (Character.isJavaIdentifierPart(ch)) {
                if (res.length() == 0 && !Character.isJavaIdentifierStart(ch) || needsUnderscore) {
                    res.append('_');
                }
                res.append(ch);
                needsUnderscore = false;
            } else {
                needsUnderscore = res.length() > 0;
            }
        }
        if (res.length() > 0) {
            return res.toString();
        }
    }
    if (name != null) {
        for (int i = 0; i < KNOWN_METHOD_NAME_PREFIXES.length; i++) {
            String curr = KNOWN_METHOD_NAME_PREFIXES[i];
            if (name.startsWith(curr)) {
                if (name.equals(curr)) {
                    // don't suggest 'get' as variable name
                    return null;
                } else if (Character.isUpperCase(name.charAt(curr.length()))) {
                    return name.substring(curr.length());
                }
            }
        }
    }
    return name;
}

Example 77 with MethodInvocation

use of org.eclipse.jdt.core.dom.MethodInvocation in project che by eclipse.

the class UnresolvedElementsSubProcessor method getMethodProposals.

public static void getMethodProposals(IInvocationContext context, IProblemLocation problem, boolean isOnlyParameterMismatch, Collection<ICommandAccess> proposals) throws CoreException {
    ICompilationUnit cu = context.getCompilationUnit();
    CompilationUnit astRoot = context.getASTRoot();
    ASTNode selectedNode = problem.getCoveringNode(astRoot);
    if (!(selectedNode instanceof SimpleName)) {
        return;
    }
    SimpleName nameNode = (SimpleName) selectedNode;
    List<Expression> arguments;
    Expression sender;
    boolean isSuperInvocation;
    ASTNode invocationNode = nameNode.getParent();
    if (invocationNode instanceof MethodInvocation) {
        MethodInvocation methodImpl = (MethodInvocation) invocationNode;
        arguments = methodImpl.arguments();
        sender = methodImpl.getExpression();
        isSuperInvocation = false;
    } else if (invocationNode instanceof SuperMethodInvocation) {
        SuperMethodInvocation methodImpl = (SuperMethodInvocation) invocationNode;
        arguments = methodImpl.arguments();
        sender = methodImpl.getQualifier();
        isSuperInvocation = true;
    } else {
        return;
    }
    String methodName = nameNode.getIdentifier();
    int nArguments = arguments.size();
    // corrections
    IBinding[] bindings = (new ScopeAnalyzer(astRoot)).getDeclarationsInScope(nameNode, ScopeAnalyzer.METHODS);
    HashSet<String> suggestedRenames = new HashSet<String>();
    for (int i = 0; i < bindings.length; i++) {
        IMethodBinding binding = (IMethodBinding) bindings[i];
        String curr = binding.getName();
        if (!curr.equals(methodName) && binding.getParameterTypes().length == nArguments && NameMatcher.isSimilarName(methodName, curr) && suggestedRenames.add(curr)) {
            String label = Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_changemethod_description, BasicElementLabels.getJavaElementName(curr));
            proposals.add(new RenameNodeCorrectionProposal(label, context.getCompilationUnit(), problem.getOffset(), problem.getLength(), curr, IProposalRelevance.CHANGE_METHOD));
        }
    }
    suggestedRenames = null;
    if (isOnlyParameterMismatch) {
        ArrayList<IMethodBinding> parameterMismatchs = new ArrayList<IMethodBinding>();
        for (int i = 0; i < bindings.length; i++) {
            IMethodBinding binding = (IMethodBinding) bindings[i];
            if (binding.getName().equals(methodName)) {
                parameterMismatchs.add(binding);
            }
        }
        addParameterMissmatchProposals(context, problem, parameterMismatchs, invocationNode, arguments, proposals);
    }
    if (sender == null) {
        addStaticImportFavoriteProposals(context, nameNode, true, proposals);
    }
    // new method
    addNewMethodProposals(cu, astRoot, sender, arguments, isSuperInvocation, invocationNode, methodName, proposals);
    if (!isOnlyParameterMismatch && !isSuperInvocation && sender != null) {
        addMissingCastParentsProposal(cu, (MethodInvocation) invocationNode, proposals);
    }
    if (!isSuperInvocation && sender == null && invocationNode.getParent() instanceof ThrowStatement) {
        //$NON-NLS-1$ // do it the manual way, copting all the arguments is nasty
        String str = "new ";
        String label = CorrectionMessages.UnresolvedElementsSubProcessor_addnewkeyword_description;
        int relevance = Character.isUpperCase(methodName.charAt(0)) ? IProposalRelevance.ADD_NEW_KEYWORD_UPPERCASE : IProposalRelevance.ADD_NEW_KEYWORD;
        ReplaceCorrectionProposal proposal = new ReplaceCorrectionProposal(label, cu, invocationNode.getStartPosition(), 0, str, relevance);
        proposals.add(proposal);
    }
}

Example 78 with MethodInvocation

use of org.eclipse.jdt.core.dom.MethodInvocation in project che by eclipse.

the class CastCorrectionProposal method getNewCastTypeNode.

private Type getNewCastTypeNode(ASTRewrite rewrite, ImportRewrite importRewrite) {
    AST ast = rewrite.getAST();
    ImportRewriteContext context = new ContextSensitiveImportRewriteContext((CompilationUnit) fNodeToCast.getRoot(), fNodeToCast.getStartPosition(), importRewrite);
    if (fCastType != null) {
        return importRewrite.addImport(fCastType, ast, context);
    }
    ASTNode node = fNodeToCast;
    ASTNode parent = node.getParent();
    if (parent instanceof CastExpression) {
        node = parent;
        parent = parent.getParent();
    }
    while (parent instanceof ParenthesizedExpression) {
        node = parent;
        parent = parent.getParent();
    }
    if (parent instanceof MethodInvocation) {
        MethodInvocation invocation = (MethodInvocation) node.getParent();
        if (invocation.getExpression() == node) {
            IBinding targetContext = ASTResolving.getParentMethodOrTypeBinding(node);
            ITypeBinding[] bindings = ASTResolving.getQualifierGuess(node.getRoot(), invocation.getName().getIdentifier(), invocation.arguments(), targetContext);
            if (bindings.length > 0) {
                ITypeBinding first = getCastFavorite(bindings, fNodeToCast.resolveTypeBinding());
                Type newTypeNode = importRewrite.addImport(first, ast, context);
                //$NON-NLS-1$
                addLinkedPosition(rewrite.track(newTypeNode), true, "casttype");
                for (int i = 0; i < bindings.length; i++) {
                    //$NON-NLS-1$
                    addLinkedPositionProposal("casttype", bindings[i]);
                }
                return newTypeNode;
            }
        }
    }
    //$NON-NLS-1$
    Type newCastType = ast.newSimpleType(ast.newSimpleName("Object"));
    //$NON-NLS-1$
    addLinkedPosition(rewrite.track(newCastType), true, "casttype");
    return newCastType;
}

Example 79 with MethodInvocation

use of org.eclipse.jdt.core.dom.MethodInvocation in project che by eclipse.

the class VarargsWarningsSubProcessor method addAddSafeVarargsToDeclarationProposals.

public static void addAddSafeVarargsToDeclarationProposals(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) {
    if (!JavaModelUtil.is17OrHigher(context.getCompilationUnit().getJavaProject()))
        return;
    ASTNode coveringNode = problem.getCoveringNode(context.getASTRoot());
    IMethodBinding methodBinding;
    if (coveringNode instanceof MethodInvocation) {
        methodBinding = ((MethodInvocation) coveringNode).resolveMethodBinding();
    } else if (coveringNode instanceof ClassInstanceCreation) {
        methodBinding = ((ClassInstanceCreation) coveringNode).resolveConstructorBinding();
    } else {
        return;
    }
    if (methodBinding == null)
        return;
    String label = Messages.format(CorrectionMessages.VarargsWarningsSubProcessor_add_safevarargs_to_method_label, methodBinding.getName());
    ITypeBinding declaringType = methodBinding.getDeclaringClass();
    CompilationUnit astRoot = (CompilationUnit) coveringNode.getRoot();
    if (declaringType != null && declaringType.isFromSource()) {
        try {
            ICompilationUnit targetCu = ASTResolving.findCompilationUnitForBinding(context.getCompilationUnit(), astRoot, declaringType);
            if (targetCu != null) {
                AddSafeVarargsProposal proposal = new AddSafeVarargsProposal(label, targetCu, null, methodBinding.getMethodDeclaration(), IProposalRelevance.ADD_SAFEVARARGS);
                proposals.add(proposal);
            }
        } catch (JavaModelException e) {
            return;
        }
    }
}

Example 80 with MethodInvocation

use of org.eclipse.jdt.core.dom.MethodInvocation in project processing by processing.

the class CompletionGenerator method resolveExpression3rdParty.

/**
   * Finds the type of the expression in foo.bar().a().b, this would give me the
   * type of b if it exists in return type of a(). If noCompare is true,
   * it'll return type of a()
   * @param nearestNode
   * @param astNode
   * @return
   */
public static ClassMember resolveExpression3rdParty(PreprocessedSketch ps, ASTNode nearestNode, ASTNode astNode, boolean noCompare) {
    log("Resolve 3rdParty expr-- " + getNodeAsString(astNode) + " nearest node " + getNodeAsString(nearestNode));
    if (astNode == null)
        return null;
    ClassMember scopeParent;
    SimpleType stp;
    if (astNode instanceof SimpleName) {
        ASTNode decl = findDeclaration2(((SimpleName) astNode), nearestNode);
        if (decl != null) {
            // see if locally defined
            log(getNodeAsString(astNode) + " found decl -> " + getNodeAsString(decl));
            {
                if (decl.getNodeType() == ASTNode.TYPE_DECLARATION) {
                    TypeDeclaration td = (TypeDeclaration) decl;
                    return new ClassMember(ps, td);
                }
            }
            {
                // Handle "array." x "array[1]."
                Type type = extracTypeInfo2(decl);
                if (type != null && type.isArrayType() && astNode.getParent().getNodeType() != ASTNode.ARRAY_ACCESS) {
                    // No array access, we want members of the array itself
                    Type elementType = ((ArrayType) type).getElementType();
                    // Get name of the element class
                    String name = "";
                    if (elementType.isSimpleType()) {
                        Class<?> c = findClassIfExists(ps, elementType.toString());
                        if (c != null)
                            name = c.getName();
                    } else if (elementType.isPrimitiveType()) {
                        name = ((PrimitiveType) elementType).getPrimitiveTypeCode().toString();
                    }
                    // Convert element class to array class
                    Class<?> arrayClass = getArrayClass(name, ps.classLoader);
                    return arrayClass == null ? null : new ClassMember(arrayClass);
                }
            }
            return new ClassMember(ps, extracTypeInfo(decl));
        } else {
            // or in a predefined class?
            Class<?> tehClass = findClassIfExists(ps, astNode.toString());
            if (tehClass != null) {
                return new ClassMember(tehClass);
            }
        }
        astNode = astNode.getParent();
    }
    switch(astNode.getNodeType()) {
        //TODO: Notice the redundancy in the 3 cases, you can simplify things even more.
        case ASTNode.FIELD_ACCESS:
            FieldAccess fa = (FieldAccess) astNode;
            if (fa.getExpression() == null) {
                // TODO: Check for existence of 'new' keyword. Could be a ClassInstanceCreation
                // Local code or belongs to super class
                log("FA,Not implemented.");
                return null;
            } else {
                if (fa.getExpression() instanceof SimpleName) {
                    stp = extracTypeInfo(findDeclaration2((SimpleName) fa.getExpression(), nearestNode));
                    if (stp == null) {
                        /*The type wasn't found in local code, so it might be something like
             * log(), or maybe belonging to super class, etc.
             */
                        Class<?> tehClass = findClassIfExists(ps, fa.getExpression().toString());
                        if (tehClass != null) {
                            // so look for method in this class.
                            return definedIn3rdPartyClass(ps, new ClassMember(tehClass), fa.getName().toString());
                        }
                        log("FA resolve 3rd par, Can't resolve " + fa.getExpression());
                        return null;
                    }
                    log("FA, SN Type " + getNodeAsString(stp));
                    scopeParent = definedIn3rdPartyClass(ps, stp.getName().toString(), "THIS");
                } else {
                    scopeParent = resolveExpression3rdParty(ps, nearestNode, fa.getExpression(), noCompare);
                }
                log("FA, ScopeParent " + scopeParent);
                return definedIn3rdPartyClass(ps, scopeParent, fa.getName().toString());
            }
        case ASTNode.METHOD_INVOCATION:
            MethodInvocation mi = (MethodInvocation) astNode;
            ASTNode temp = findDeclaration2(mi.getName(), nearestNode);
            if (temp instanceof MethodDeclaration) {
                // method is locally defined
                log(mi.getName() + " was found locally," + getNodeAsString(extracTypeInfo(temp)));
                {
                    // Handle "array." x "array[1]."
                    Type type = extracTypeInfo2(temp);
                    if (type != null && type.isArrayType() && astNode.getParent().getNodeType() != ASTNode.ARRAY_ACCESS) {
                        // No array access, we want members of the array itself
                        Type elementType = ((ArrayType) type).getElementType();
                        // Get name of the element class
                        String name = "";
                        if (elementType.isSimpleType()) {
                            Class<?> c = findClassIfExists(ps, elementType.toString());
                            if (c != null)
                                name = c.getName();
                        } else if (elementType.isPrimitiveType()) {
                            name = ((PrimitiveType) elementType).getPrimitiveTypeCode().toString();
                        }
                        // Convert element class to array class
                        Class<?> arrayClass = getArrayClass(name, ps.classLoader);
                        return arrayClass == null ? null : new ClassMember(arrayClass);
                    }
                }
                return new ClassMember(ps, extracTypeInfo(temp));
            }
            if (mi.getExpression() == null) {
                //        if()
                //Local code or belongs to super class
                log("MI,Not implemented.");
                return null;
            } else {
                if (mi.getExpression() instanceof SimpleName) {
                    ASTNode decl = findDeclaration2((SimpleName) mi.getExpression(), nearestNode);
                    if (decl != null) {
                        if (decl.getNodeType() == ASTNode.TYPE_DECLARATION) {
                            TypeDeclaration td = (TypeDeclaration) decl;
                            return new ClassMember(ps, td);
                        }
                        stp = extracTypeInfo(decl);
                        if (stp == null) {
                            /*The type wasn't found in local code, so it might be something like
             * System.console()., or maybe belonging to super class, etc.
             */
                            Class<?> tehClass = findClassIfExists(ps, mi.getExpression().toString());
                            if (tehClass != null) {
                                // so look for method in this class.
                                return definedIn3rdPartyClass(ps, new ClassMember(tehClass), mi.getName().toString());
                            }
                            log("MI resolve 3rd par, Can't resolve " + mi.getExpression());
                            return null;
                        }
                        log("MI, SN Type " + getNodeAsString(stp));
                        ASTNode typeDec = findDeclaration2(stp.getName(), nearestNode);
                        if (typeDec == null) {
                            log(stp.getName() + " couldn't be found locally..");
                            Class<?> tehClass = findClassIfExists(ps, stp.getName().toString());
                            if (tehClass != null) {
                                // so look for method in this class.
                                return definedIn3rdPartyClass(ps, new ClassMember(tehClass), mi.getName().toString());
                            }
                        //return new ClassMember(findClassIfExists(stp.getName().toString()));
                        }
                        //scopeParent = definedIn3rdPartyClass(stp.getName().toString(), "THIS");
                        return definedIn3rdPartyClass(ps, new ClassMember(ps, typeDec), mi.getName().toString());
                    }
                } else {
                    log("MI EXP.." + getNodeAsString(mi.getExpression()));
                    //          return null;
                    scopeParent = resolveExpression3rdParty(ps, nearestNode, mi.getExpression(), noCompare);
                    log("MI, ScopeParent " + scopeParent);
                    return definedIn3rdPartyClass(ps, scopeParent, mi.getName().toString());
                }
            }
            break;
        case ASTNode.QUALIFIED_NAME:
            QualifiedName qn = (QualifiedName) astNode;
            ASTNode temp2 = findDeclaration2(qn.getName(), nearestNode);
            if (temp2 instanceof FieldDeclaration) {
                // field is locally defined
                log(qn.getName() + " was found locally," + getNodeAsString(extracTypeInfo(temp2)));
                return new ClassMember(ps, extracTypeInfo(temp2));
            }
            if (qn.getQualifier() == null) {
                log("QN,Not implemented.");
                return null;
            } else {
                if (qn.getQualifier() instanceof SimpleName) {
                    stp = extracTypeInfo(findDeclaration2(qn.getQualifier(), nearestNode));
                    if (stp == null) {
                        /*The type wasn't found in local code, so it might be something like
             * log(), or maybe belonging to super class, etc.
             */
                        Class<?> tehClass = findClassIfExists(ps, qn.getQualifier().toString());
                        if (tehClass != null) {
                            // note how similar thing is called on line 690. Check check.
                            return definedIn3rdPartyClass(ps, new ClassMember(tehClass), qn.getName().toString());
                        }
                        log("QN resolve 3rd par, Can't resolve " + qn.getQualifier());
                        return null;
                    }
                    log("QN, SN Local Type " + getNodeAsString(stp));
                    //scopeParent = definedIn3rdPartyClass(stp.getName().toString(), "THIS");
                    ASTNode typeDec = findDeclaration2(stp.getName(), nearestNode);
                    if (typeDec == null) {
                        log(stp.getName() + " couldn't be found locally..");
                        Class<?> tehClass = findClassIfExists(ps, stp.getName().toString());
                        if (tehClass != null) {
                            // note how similar thing is called on line 690. Check check.
                            return definedIn3rdPartyClass(ps, new ClassMember(tehClass), qn.getName().toString());
                        }
                        log("QN resolve 3rd par, Can't resolve " + qn.getQualifier());
                        return null;
                    }
                    return definedIn3rdPartyClass(ps, new ClassMember(ps, typeDec), qn.getName().toString());
                } else {
                    scopeParent = resolveExpression3rdParty(ps, nearestNode, qn.getQualifier(), noCompare);
                    log("QN, ScopeParent " + scopeParent);
                    return definedIn3rdPartyClass(ps, scopeParent, qn.getName().toString());
                }
            }
        case ASTNode.ARRAY_ACCESS:
            ArrayAccess arac = (ArrayAccess) astNode;
            return resolveExpression3rdParty(ps, nearestNode, arac.getArray(), noCompare);
        default:
            log("Unaccounted type " + getNodeAsString(astNode));
            break;
    }
    return null;
}