Example usage for org.eclipse.jdt.internal.compiler.problem ProblemSeverities Warning

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From source file:at.bestsolution.efxclipse.tooling.fxml.compile.FxmlAnnotationCompilationParticipant.java

License:Open Source License

/**
 * @param context/*  ww  w.ja  v a 2  s .c  o m*/
 */
private List<CategorizedProblem> checkCU(final ICompilationUnit unit,
        final Collection<CategorizedProblem> existingProblems) {
    List<CategorizedProblem> problems = new ArrayList<CategorizedProblem>();
    if (existingProblems != null) {
        problems.addAll(existingProblems);
    }
    List<String> fxmlMethods = new ArrayList<String>();
    try {
        IJavaProject project = unit.getJavaProject();
        for (IType type : unit.getTypes()) {
            for (IMethod method : type.getMethods()) {
                for (IAnnotation a : method.getAnnotations()) {
                    if ("FXML".equals(a.getElementName())) { ////$NON-NLS-1$
                        if (fxmlMethods.contains(method.getElementName())) {
                            DefaultProblem problem = new DefaultProblem(unit.getElementName().toCharArray(),
                                    "JavaFX controller method name is not unique: " //$NON-NLS-1$
                                            + method.getElementName(),
                                    IProblem.ExternalProblemNotFixable, new String[0],
                                    ProblemSeverities.Warning, method.getSourceRange().getOffset(),
                                    method.getSourceRange().getOffset() + method.getSourceRange().getLength(),
                                    getMethodLineNumber(type, method), 0);
                            problems.add(problem);
                        }
                        fxmlMethods.add(method.getElementName());

                        switch (method.getNumberOfParameters()) {
                        case 0:
                            break;
                        case 1: {
                            ILocalVariable pType = method.getParameters()[0];
                            String[][] resolvedType = type
                                    .resolveType(Signature.toString(pType.getTypeSignature()));
                            IType parameterType = null;
                            if (resolvedType != null) {
                                parameterType = project.findType(resolvedType[0][0] + "." + resolvedType[0][1]); //$NON-NLS-1$
                            }
                            if (resolvedType == null || !Util.assignable(parameterType,
                                    project.findType("javafx.event.Event"))) { ////$NON-NLS-1$
                                DefaultProblem problem = new DefaultProblem(unit.getElementName().toCharArray(),
                                        "Parameter '" //$NON-NLS-1$
                                                + pType.getElementName()
                                                + "' is not assignable to javafx.event.Event", //$NON-NLS-1$
                                        IProblem.ExternalProblemNotFixable, new String[0],
                                        ProblemSeverities.Warning, pType.getSourceRange().getOffset(),
                                        pType.getSourceRange().getOffset() + pType.getSourceRange().getLength(),
                                        getMethodLineNumber(type, method), 0);
                                problems.add(problem);
                            }

                        }
                            break;
                        default: {
                            DefaultProblem problem = new DefaultProblem(unit.getElementName().toCharArray(),
                                    "JavaFX controller method must have 0 or exactly 1 argument", //$NON-NLS-1$
                                    IProblem.ExternalProblemNotFixable, new String[0],
                                    ProblemSeverities.Warning, method.getSourceRange().getOffset(),
                                    method.getSourceRange().getOffset() + method.getSourceRange().getLength(),
                                    getMethodLineNumber(type, method), 0);
                            problems.add(problem);
                        }
                        }
                    }
                }
            }
        }
    } catch (JavaModelException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    return problems;
}

From source file:com.google.gwt.dev.javac.JsniCollector.java

License:Open Source License

public static void reportJsniWarning(SourceInfo info, MethodDeclaration method, String msg) {
    reportJsniProblem(info, method, msg, ProblemSeverities.Warning);
}

From source file:com.google.gwt.dev.javac.JsniReferenceResolver.java

License:Apache License

private void suppressionAnnotationWarning(ASTNode node, String message) {
    GWTProblem.recordProblem(node, cud.compilationResult(), message, null, ProblemSeverities.Warning);
}

From source file:jmockit.assist.MockASTVisitor.java

License:Open Source License

private void addMarker(final ASTNode node, final String msg, final boolean isError) {
    try {// www. j a v  a2  s  .com
        int start = node.getStartPosition();
        int endChar = start + node.getLength();
        int line = cu.getLineNumber(start);
        int col = cu.getColumnNumber(start);
        int id = IProblem.TypeRelated;
        String filePath = icunit.getPath().toOSString();
        String[] args = new String[] {};

        int severity = isError ? ProblemSeverities.Error : ProblemSeverities.Warning;

        CategorizedProblem problem = new DefaultProblem(filePath.toCharArray(), msg, id, args, severity, start,
                endChar, line, col) {
            @Override
            public String getMarkerType() {
                return JMockitCompilationParticipant.MARKER;
            }
        };

        probs.add(problem);
    } catch (Exception e) {
        Activator.log(e);
    }
}

From source file:org.eclipse.ajdt.internal.ui.editor.CompilationUnitAnnotationModelWrapper.java

License:Open Source License

public void beginReporting() {
    if (delegate != null) {
        ((IProblemRequestor) delegate).beginReporting();

        IJavaProject project = unit.getJavaProject();

        AJCompilationUnitStructureRequestor requestor = new AJCompilationUnitStructureRequestor(unit,
                new AJCompilationUnitInfo(), new HashMap());
        JavaModelManager.PerWorkingCopyInfo perWorkingCopyInfo = ((CompilationUnit) unit)
                .getPerWorkingCopyInfo();
        boolean computeProblems = JavaProject.hasJavaNature(project.getProject()) && perWorkingCopyInfo != null
                && perWorkingCopyInfo.isActive();
        IProblemFactory problemFactory = new DefaultProblemFactory();
        Map options = project.getOptions(true);
        IBuffer buffer;/* w ww.j a v  a2  s. co  m*/
        try {
            buffer = unit.getBuffer();

            final char[] contents = buffer == null ? null : buffer.getCharacters();

            AJSourceElementParser parser = new AJSourceElementParser(requestor, problemFactory,
                    new CompilerOptions(options), true/*report local declarations*/, false);
            parser.reportOnlyOneSyntaxError = !computeProblems;

            parser.scanner.source = contents;
            requestor.setParser(parser);

            CompilationUnitDeclaration unitDec = parser.parseCompilationUnit(
                    new org.aspectj.org.eclipse.jdt.internal.compiler.env.ICompilationUnit() {
                        public char[] getContents() {
                            return contents;
                        }

                        public char[] getMainTypeName() {
                            return ((CompilationUnit) unit).getMainTypeName();
                        }

                        public char[][] getPackageName() {
                            return ((CompilationUnit) unit).getPackageName();
                        }

                        public char[] getFileName() {
                            return ((CompilationUnit) unit).getFileName();
                        }

                        public boolean ignoreOptionalProblems() {
                            return false;
                        }
                    }, true /*full parse to find local elements*/);
            org.aspectj.org.eclipse.jdt.core.compiler.IProblem[] problems = unitDec.compilationResult.problems;
            if (problems != null) {
                for (int i = 0; i < problems.length; i++) {
                    org.aspectj.org.eclipse.jdt.core.compiler.IProblem problem = problems[i];
                    if (problem == null)
                        continue;
                    ((IProblemRequestor) delegate)
                            .acceptProblem(
                                    new DefaultProblem(problem.getOriginatingFileName(), problem.getMessage(),
                                            problem.getID(), problem.getArguments(),
                                            problem.isError() ? ProblemSeverities.Error
                                                    : ProblemSeverities.Warning,
                                            problem.getSourceStart(), problem.getSourceEnd(),
                                            problem.getSourceLineNumber(), 0)); // unknown column
                }
            }
        } catch (JavaModelException e) {
        }
    }
}

From source file:org.eclipse.fx.ide.fxml.compile.FxmlAnnotationCompilationParticipant.java

License:Open Source License

/**
 * @param context/*from   ww w  .j  a v a2  s  .co  m*/
 */
private static List<CategorizedProblem> checkCU(final ICompilationUnit unit,
        final Collection<CategorizedProblem> existingProblems) {
    List<CategorizedProblem> problems = new ArrayList<CategorizedProblem>();
    if (existingProblems != null) {
        problems.addAll(existingProblems);
    }
    List<String> fxmlMethods = new ArrayList<String>();
    try {
        IJavaProject project = unit.getJavaProject();
        for (IType type : unit.getTypes()) {
            for (IMethod method : type.getMethods()) {
                for (IAnnotation a : method.getAnnotations()) {
                    if ("FXML".equals(a.getElementName())) { ////$NON-NLS-1$
                        if (fxmlMethods.contains(method.getElementName())) {
                            DefaultProblem problem = new DefaultProblem(unit.getElementName().toCharArray(),
                                    "JavaFX controller method name is not unique: " //$NON-NLS-1$
                                            + method.getElementName(),
                                    IProblem.ExternalProblemNotFixable, new String[0],
                                    ProblemSeverities.Warning, method.getSourceRange().getOffset(),
                                    method.getSourceRange().getOffset() + method.getSourceRange().getLength(),
                                    getMethodLineNumber(type, method), 0);
                            problems.add(problem);
                        }
                        fxmlMethods.add(method.getElementName());

                        switch (method.getNumberOfParameters()) {
                        case 0:
                            break;
                        case 1: {
                            ILocalVariable pType = method.getParameters()[0];
                            String[][] resolvedType = type
                                    .resolveType(Signature.toString(pType.getTypeSignature()));
                            IType parameterType = null;
                            if (resolvedType != null) {
                                parameterType = project.findType(resolvedType[0][0] + "." + resolvedType[0][1]); //$NON-NLS-1$
                            }
                            if (resolvedType == null || !Util.assignable(parameterType,
                                    project.findType("javafx.event.Event"))) { ////$NON-NLS-1$
                                DefaultProblem problem = new DefaultProblem(unit.getElementName().toCharArray(),
                                        "Parameter '" //$NON-NLS-1$
                                                + pType.getElementName()
                                                + "' is not assignable to javafx.event.Event", //$NON-NLS-1$
                                        IProblem.ExternalProblemNotFixable, new String[0],
                                        ProblemSeverities.Warning, pType.getSourceRange().getOffset(),
                                        pType.getSourceRange().getOffset() + pType.getSourceRange().getLength(),
                                        getMethodLineNumber(type, method), 0);
                                problems.add(problem);
                            }

                        }
                            break;
                        default: {
                            DefaultProblem problem = new DefaultProblem(unit.getElementName().toCharArray(),
                                    "JavaFX controller method must have 0 or exactly 1 argument", //$NON-NLS-1$
                                    IProblem.ExternalProblemNotFixable, new String[0],
                                    ProblemSeverities.Warning, method.getSourceRange().getOffset(),
                                    method.getSourceRange().getOffset() + method.getSourceRange().getLength(),
                                    getMethodLineNumber(type, method), 0);
                            problems.add(problem);
                        }
                        }
                    }
                }
            }
        }
    } catch (JavaModelException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    return problems;
}

From source file:org.eclipse.jdt.internal.compiler.lookup.MethodVerifier15.java

License:Open Source License

boolean detectNameClash(MethodBinding current, MethodBinding inherited, boolean treatAsSynthetic) {
    MethodBinding methodToCheck = inherited;
    MethodBinding original = methodToCheck.original(); // can be the same as inherited
    if (!current.areParameterErasuresEqual(original))
        return false;
    int severity = ProblemSeverities.Error;
    if (this.environment.globalOptions.complianceLevel == ClassFileConstants.JDK1_6) {
        // for 1.6 return types also need to be checked
        // https://bugs.eclipse.org/bugs/show_bug.cgi?id=317719
        if (current.returnType.erasure() != original.returnType.erasure())
            severity = ProblemSeverities.Warning;
    }/*ww  w  .  ja  v a 2 s .co m*/
    if (!treatAsSynthetic) {
        // For a user method, see if current class overrides the inherited method. If it does,
        // then any grievance we may have ought to be against the current class's method and
        // NOT against any super implementations. https://bugs.eclipse.org/bugs/show_bug.cgi?id=293615

        // https://bugs.eclipse.org/bugs/show_bug.cgi?id=315978 : we now defer this rather expensive
        // check to just before reporting (the incorrect) name clash. In the event there is no name
        // clash to report to begin with (the common case), no penalty needs to be paid.  
        MethodBinding[] currentNamesakes = (MethodBinding[]) this.currentMethods.get(inherited.selector);
        if (currentNamesakes.length > 1) { // we know it ought to at least one and that current is NOT the override
            for (int i = 0, length = currentNamesakes.length; i < length; i++) {
                MethodBinding currentMethod = currentNamesakes[i];
                if (currentMethod != current && doesMethodOverride(currentMethod, inherited)) {
                    methodToCheck = currentMethod;
                    break;
                }
            }
        }
    }
    original = methodToCheck.original(); // can be the same as inherited
    if (!current.areParameterErasuresEqual(original))
        return false;
    original = inherited.original(); // For error reporting use, inherited.original()
    problemReporter(current).methodNameClash(current,
            inherited.declaringClass.isRawType() ? inherited : original, severity);
    if (severity == ProblemSeverities.Warning)
        return false;
    return true;
}

From source file:org.eclipse.jdt.internal.compiler.lookup.SourceTypeBinding.java

License:Open Source License

public MethodBinding[] methods() {
    if ((this.tagBits & TagBits.AreMethodsComplete) != 0)
        return this.methods;

    // lazily sort methods
    if ((this.tagBits & TagBits.AreMethodsSorted) == 0) {
        int length = this.methods.length;
        if (length > 1)
            ReferenceBinding.sortMethods(this.methods, 0, length);
        this.tagBits |= TagBits.AreMethodsSorted;
    }/*from   w ww . j av  a2 s .c  o m*/

    int failed = 0;
    MethodBinding[] resolvedMethods = this.methods;
    try {
        for (int i = 0, length = this.methods.length; i < length; i++) {
            if (resolveTypesFor(this.methods[i]) == null) {
                // do not alter original method array until resolution is over, due to reentrance (143259)
                if (resolvedMethods == this.methods) {
                    System.arraycopy(this.methods, 0, resolvedMethods = new MethodBinding[length], 0, length);
                }
                resolvedMethods[i] = null; // unable to resolve parameters
                failed++;
            }
        }

        // find & report collision cases
        boolean complyTo15OrAbove = this.scope.compilerOptions().sourceLevel >= ClassFileConstants.JDK1_5;
        boolean compliance16 = this.scope.compilerOptions().complianceLevel == ClassFileConstants.JDK1_6;

        for (int i = 0, length = this.methods.length; i < length; i++) {
            int severity = ProblemSeverities.Error;
            MethodBinding method = resolvedMethods[i];
            if (method == null)
                continue;
            char[] selector = method.selector;
            AbstractMethodDeclaration methodDecl = null;
            nextSibling: for (int j = i + 1; j < length; j++) {
                MethodBinding method2 = resolvedMethods[j];
                if (method2 == null)
                    continue nextSibling;
                if (!CharOperation.equals(selector, method2.selector))
                    break nextSibling; // methods with same selector are contiguous

                if (complyTo15OrAbove) {
                    if (method.areParameterErasuresEqual(method2)) {
                        // we now ignore return types in 1.7 when detecting duplicates, just as we did before 1.5 
                        // Only in 1.6, we have to make sure even return types are different
                        // https://bugs.eclipse.org/bugs/show_bug.cgi?id=317719
                        if (compliance16 && method.returnType != null && method2.returnType != null) {
                            if (method.returnType.erasure() != method2.returnType.erasure()) {
                                // check to see if the erasure of either method is equal to the other
                                // if not, then change severity to WARNING
                                TypeBinding[] params1 = method.parameters;
                                TypeBinding[] params2 = method2.parameters;
                                int pLength = params1.length;
                                TypeVariableBinding[] vars = method.typeVariables;
                                TypeVariableBinding[] vars2 = method2.typeVariables;
                                boolean equalTypeVars = vars == vars2;
                                MethodBinding subMethod = method2;
                                if (!equalTypeVars) {
                                    MethodBinding temp = method.computeSubstitutedMethod(method2,
                                            this.scope.environment());
                                    if (temp != null) {
                                        equalTypeVars = true;
                                        subMethod = temp;
                                    }
                                }
                                boolean equalParams = method.areParametersEqual(subMethod);
                                if (equalParams && equalTypeVars) {
                                    // duplicates regardless of return types
                                } else if (vars != Binding.NO_TYPE_VARIABLES
                                        && vars2 != Binding.NO_TYPE_VARIABLES) {
                                    // both have type arguments. Erasure of signature of one cannot be equal to signature of other
                                    severity = ProblemSeverities.Warning;
                                } else if (pLength > 0) {
                                    int index = pLength;
                                    // is erasure of signature of m2 same as signature of m1?
                                    for (; --index >= 0;) {
                                        if (params1[index] != params2[index].erasure())
                                            break;
                                        if (params1[index] == params2[index]) {
                                            TypeBinding type = params1[index].leafComponentType();
                                            if (type instanceof SourceTypeBinding
                                                    && type.typeVariables() != Binding.NO_TYPE_VARIABLES) {
                                                index = pLength; // handle comparing identical source types like X<T>... its erasure is itself BUT we need to answer false
                                                break;
                                            }
                                        }
                                    }
                                    if (index >= 0 && index < pLength) {
                                        // is erasure of signature of m1 same as signature of m2?
                                        for (index = pLength; --index >= 0;)
                                            if (params1[index].erasure() != params2[index])
                                                break;

                                    }
                                    if (index >= 0) {
                                        // erasure of neither is equal to signature of other
                                        severity = ProblemSeverities.Warning;
                                    }
                                } else if (pLength != 0) {
                                    severity = ProblemSeverities.Warning;
                                } // pLength = 0 automatically makes erasure of arguments one equal to arguments of other.
                            }
                            // else return types also equal. All conditions satisfied
                            // to give error in 1.6 compliance as well.
                        }
                    } else {
                        continue nextSibling;
                    }
                } else if (!method.areParametersEqual(method2)) {
                    // prior to 1.5, parameters identical meant a collision case
                    continue nextSibling;
                }
                // otherwise duplicates / name clash
                boolean isEnumSpecialMethod = isEnum() && (CharOperation.equals(selector, TypeConstants.VALUEOF)
                        || CharOperation.equals(selector, TypeConstants.VALUES));
                // report duplicate
                boolean removeMethod2 = (severity == ProblemSeverities.Error) ? true : false; // do not remove if in 1.6 and just a warning given
                if (methodDecl == null) {
                    methodDecl = method.sourceMethod(); // cannot be retrieved after binding is lost & may still be null if method is special
                    if (methodDecl != null && methodDecl.binding != null) { // ensure its a valid user defined method
                        boolean removeMethod = method.returnType == null && method2.returnType != null;
                        if (isEnumSpecialMethod) {
                            this.scope.problemReporter().duplicateEnumSpecialMethod(this, methodDecl);
                            // remove user defined methods & keep the synthetic
                            removeMethod = true;
                        } else {
                            this.scope.problemReporter().duplicateMethodInType(this, methodDecl,
                                    method.areParametersEqual(method2), severity);
                        }
                        if (removeMethod) {
                            removeMethod2 = false;
                            methodDecl.binding = null;
                            // do not alter original method array until resolution is over, due to reentrance (143259)
                            if (resolvedMethods == this.methods)
                                System.arraycopy(this.methods, 0, resolvedMethods = new MethodBinding[length],
                                        0, length);
                            resolvedMethods[i] = null;
                            failed++;
                        }
                    }
                }
                AbstractMethodDeclaration method2Decl = method2.sourceMethod();
                if (method2Decl != null && method2Decl.binding != null) { // ensure its a valid user defined method
                    if (isEnumSpecialMethod) {
                        this.scope.problemReporter().duplicateEnumSpecialMethod(this, method2Decl);
                        removeMethod2 = true;
                    } else {
                        this.scope.problemReporter().duplicateMethodInType(this, method2Decl,
                                method.areParametersEqual(method2), severity);
                    }
                    if (removeMethod2) {
                        method2Decl.binding = null;
                        // do not alter original method array until resolution is over, due to reentrance (143259)
                        if (resolvedMethods == this.methods)
                            System.arraycopy(this.methods, 0, resolvedMethods = new MethodBinding[length], 0,
                                    length);
                        resolvedMethods[j] = null;
                        failed++;
                    }
                }
            }
            if (method.returnType == null && resolvedMethods[i] != null) { // forget method with invalid return type... was kept to detect possible collisions
                methodDecl = method.sourceMethod();
                if (methodDecl != null)
                    methodDecl.binding = null;
                // do not alter original method array until resolution is over, due to reentrance (143259)
                if (resolvedMethods == this.methods)
                    System.arraycopy(this.methods, 0, resolvedMethods = new MethodBinding[length], 0, length);
                resolvedMethods[i] = null;
                failed++;
            }
        }
    } finally {
        if (failed > 0) {
            int newSize = resolvedMethods.length - failed;
            if (newSize == 0) {
                this.methods = Binding.NO_METHODS;
            } else {
                MethodBinding[] newMethods = new MethodBinding[newSize];
                for (int i = 0, j = 0, length = resolvedMethods.length; i < length; i++)
                    if (resolvedMethods[i] != null)
                        newMethods[j++] = resolvedMethods[i];
                this.methods = newMethods;
            }
        }

        // handle forward references to potential default abstract methods
        addDefaultAbstractMethods();
        this.tagBits |= TagBits.AreMethodsComplete;
    }
    return this.methods;
}

From source file:org.eclipse.jdt.internal.compiler.problem.ProblemHandler.java

License:Open Source License

public void handle(int problemId, String[] problemArguments, int elaborationId, String[] messageArguments,
        int severity, int problemStartPosition, int problemEndPosition, ReferenceContext referenceContext,
        CompilationResult unitResult) {/*from   w  w w. j  a va 2  s . c o  m*/

    if (severity == ProblemSeverities.Ignore)
        return;

    // if no reference context, we need to abort from the current compilation process
    if (referenceContext == null) {
        if ((severity & ProblemSeverities.Error) != 0) { // non reportable error is fatal
            CategorizedProblem problem = this.createProblem(null, problemId, problemArguments, elaborationId,
                    messageArguments, severity, 0, 0, 0, 0);
            throw new AbortCompilation(null, problem);
        } else {
            return; // ignore non reportable warning
        }
    }

    int[] lineEnds;
    int lineNumber = problemStartPosition >= 0 ? Util.getLineNumber(problemStartPosition,
            lineEnds = unitResult.getLineSeparatorPositions(), 0, lineEnds.length - 1) : 0;
    int columnNumber = problemStartPosition >= 0
            ? Util.searchColumnNumber(unitResult.getLineSeparatorPositions(), lineNumber, problemStartPosition)
            : 0;
    CategorizedProblem problem = this.createProblem(unitResult.getFileName(), problemId, problemArguments,
            elaborationId, messageArguments, severity, problemStartPosition, problemEndPosition, lineNumber,
            columnNumber);

    if (problem == null)
        return; // problem couldn't be created, ignore

    switch (severity & ProblemSeverities.Error) {
    case ProblemSeverities.Error:
        record(problem, unitResult, referenceContext);
        if ((severity & ProblemSeverities.Fatal) != 0) {
            referenceContext.tagAsHavingErrors();
            // should abort ?
            int abortLevel;
            if ((abortLevel = this.policy.stopOnFirstError() ? ProblemSeverities.AbortCompilation
                    : severity & ProblemSeverities.Abort) != 0) {
                referenceContext.abort(abortLevel, problem);
            }
        }
        break;
    case ProblemSeverities.Warning:
        // GROOVY start - still required?
        if ((this.options.groovyFlags & 0x01) != 0) {
            if ((unitResult.compilationUnit instanceof SourceFile)
                    && ((SourceFile) unitResult.compilationUnit).isInLinkedSourceFolder()) {
                return;
            }
        }
        // GROOVY end
        record(problem, unitResult, referenceContext);
        break;
    }
}