com.sun.tools.javac.util.Log#DiscardDiagnosticHandler

Source File: Flow.java From lua-for-android with BSD 3-Clause "New" or "Revised" License

6 votes

public void analyzeLambda(Env<AttrContext> env, JCLambda that, TreeMaker make, boolean speculative) {
    Log.DiagnosticHandler diagHandler = null;
    //we need to disable diagnostics temporarily; the problem is that if
    //a lambda expression contains e.g. an unreachable statement, an error
    //message will be reported and will cause compilation to skip the flow analyis
    //step - if we suppress diagnostics, we won't stop at Attr for flow-analysis
    //related errors, which will allow for more errors to be detected
    if (!speculative) {
        diagHandler = new Log.DiscardDiagnosticHandler(log);
    }
    try {
        new LambdaAliveAnalyzer().analyzeTree(env, that, make);
    } finally {
        if (!speculative) {
            log.popDiagnosticHandler(diagHandler);
        }
    }
}

Source File: Flow.java From lua-for-android with BSD 3-Clause "New" or "Revised" License

6 votes

public List<Type> analyzeLambdaThrownTypes(final Env<AttrContext> env,
        JCLambda that, TreeMaker make) {
    //we need to disable diagnostics temporarily; the problem is that if
    //a lambda expression contains e.g. an unreachable statement, an error
    //message will be reported and will cause compilation to skip the flow analyis
    //step - if we suppress diagnostics, we won't stop at Attr for flow-analysis
    //related errors, which will allow for more errors to be detected
    Log.DiagnosticHandler diagHandler = new Log.DiscardDiagnosticHandler(log);
    try {
        new LambdaAssignAnalyzer(env).analyzeTree(env, that);
        LambdaFlowAnalyzer flowAnalyzer = new LambdaFlowAnalyzer();
        flowAnalyzer.analyzeTree(env, that, make);
        return flowAnalyzer.inferredThrownTypes;
    } finally {
        log.popDiagnosticHandler(diagHandler);
    }
}

Source File: Check.java From lua-for-android with BSD 3-Clause "New" or "Revised" License

5 votes

/** Check an annotation value.
 *
 * @param a The annotation tree to check
 * @return true if this annotation tree is valid, otherwise false
 */
public boolean validateAnnotationDeferErrors(JCAnnotation a) {
    boolean res = false;
    final Log.DiagnosticHandler diagHandler = new Log.DiscardDiagnosticHandler(log);
    try {
        res = validateAnnotation(a);
    } finally {
        log.popDiagnosticHandler(diagHandler);
    }
    return res;
}

Source File: TreeUtilities.java From netbeans with Apache License 2.0

5 votes

private static TypeMirror attributeTree(JavacTaskImpl jti, Tree tree, Scope scope, final List<Diagnostic<? extends JavaFileObject>> errors) {
        Log log = Log.instance(jti.getContext());
        JavaFileObject prev = log.useSource(new DummyJFO());
        Log.DiagnosticHandler discardHandler = new Log.DiscardDiagnosticHandler(log) {
            @Override
            public void report(JCDiagnostic diag) {
                errors.add(diag);
            }            
        };
        NBResolve resolve = NBResolve.instance(jti.getContext());
        resolve.disableAccessibilityChecks();
//        Enter enter = Enter.instance(jti.getContext());
//        enter.shadowTypeEnvs(true);
//        ArgumentAttr argumentAttr = ArgumentAttr.instance(jti.getContext());
//        ArgumentAttr.LocalCacheContext cacheContext = argumentAttr.withLocalCacheContext();
        try {
            Attr attr = Attr.instance(jti.getContext());
            Env<AttrContext> env = getEnv(scope);
            if (tree instanceof JCExpression)
                return attr.attribExpr((JCTree) tree,env, Type.noType);
            if (env.tree != null && env.tree.getKind() == Kind.VARIABLE && !VARIABLE_CAN_OWN_VARIABLES) {
                env = env.next;
            }
            return attr.attribStat((JCTree) tree,env);
        } finally {
//            cacheContext.leave();
            log.useSource(prev);
            log.popDiagnosticHandler(discardHandler);
            resolve.restoreAccessbilityChecks();
//            enter.shadowTypeEnvs(false);
        }
    }

Source File: TreeUtilities.java From netbeans with Apache License 2.0

5 votes

private static Scope attributeTreeTo(JavacTaskImpl jti, Tree tree, Scope scope, Tree to, final List<Diagnostic<? extends JavaFileObject>> errors) {
        Log log = Log.instance(jti.getContext());
        JavaFileObject prev = log.useSource(new DummyJFO());
        Log.DiagnosticHandler discardHandler = new Log.DiscardDiagnosticHandler(log) {
            @Override
            public void report(JCDiagnostic diag) {
                errors.add(diag);
            }            
        };
        NBResolve resolve = NBResolve.instance(jti.getContext());
        resolve.disableAccessibilityChecks();
//        Enter enter = Enter.instance(jti.getContext());
//        enter.shadowTypeEnvs(true);
//        ArgumentAttr argumentAttr = ArgumentAttr.instance(jti.getContext());
//        ArgumentAttr.LocalCacheContext cacheContext = argumentAttr.withLocalCacheContext();
        try {
            NBAttr attr = (NBAttr) NBAttr.instance(jti.getContext());
            Env<AttrContext> env = getEnv(scope);
            Env<AttrContext> result = attr.attributeAndCapture((JCTree) tree, env, (JCTree) to);
            try {
                Constructor<JavacScope> c = JavacScope.class.getDeclaredConstructor(Env.class);
                c.setAccessible(true);
                return c.newInstance(result);
            } catch (NoSuchMethodException | SecurityException | InstantiationException | IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
                throw new IllegalStateException(ex);
            }
        } finally {
//            cacheContext.leave();
            log.useSource(prev);
            log.popDiagnosticHandler(discardHandler);
            resolve.restoreAccessbilityChecks();
//            enter.shadowTypeEnvs(false);
        }
    }