Java Code Examples for com.sun.tools.javac.code.Scope#Entry

/**
 * Return a list of all classes contained in this package, including
 * member classes of those classes, and their member classes, etc.
 */
private List<ClassDocImpl> getClasses(boolean filtered) {
    if (allClasses != null && !filtered) {
        return allClasses;
    }
    if (allClassesFiltered != null && filtered) {
        return allClassesFiltered;
    }
    ListBuffer<ClassDocImpl> classes = new ListBuffer<ClassDocImpl>();
    for (Scope.Entry e = sym.members().elems; e != null; e = e.sibling) {
        if (e.sym != null) {
            ClassSymbol s = (ClassSymbol)e.sym;
            ClassDocImpl c = env.getClassDoc(s);
            if (c != null && !c.isSynthetic())
                c.addAllClasses(classes, filtered);
        }
    }
    if (filtered)
        return allClassesFiltered = classes.toList();
    else
        return allClasses = classes.toList();
}
 

private void computeDefaultSerializableFields(DocEnv env,
                                              ClassSymbol def,
                                              ClassDocImpl cd) {
    for (Scope.Entry e = def.members().elems; e != null; e = e.sibling) {
        if (e.sym != null && e.sym.kind == Kinds.VAR) {
            VarSymbol f = (VarSymbol)e.sym;
            if ((f.flags() & Flags.STATIC) == 0 &&
                (f.flags() & Flags.TRANSIENT) == 0) {
                //### No modifier filtering applied here.
                FieldDocImpl fd = env.getFieldDoc(f);
                //### Add to beginning.
                //### Preserve order used by old 'javadoc'.
                fields.prepend(fd);
            }
        }
    }
}
 

private boolean needsHeader(ClassSymbol c, boolean checkNestedClasses) {
    if (c.isLocal() || (c.flags() & Flags.SYNTHETIC) != 0)
        return false;

    for (Scope.Entry i = c.members_field.elems; i != null; i = i.sibling) {
        if (i.sym.kind == Kinds.MTH && (i.sym.flags() & Flags.NATIVE) != 0)
            return true;
        for (Attribute.Compound a: i.sym.getDeclarationAttributes()) {
            if (a.type.tsym == syms.nativeHeaderType.tsym)
                return true;
        }
    }
    if (checkNestedClasses) {
        for (Scope.Entry i = c.members_field.elems; i != null; i = i.sibling) {
            if ((i.sym.kind == Kinds.TYP) && needsHeader(((ClassSymbol) i.sym), true))
                return true;
        }
    }
    return false;
}
 

private boolean needsHeader(ClassSymbol c, boolean checkNestedClasses) {
    if (c.isLocal() || (c.flags() & Flags.SYNTHETIC) != 0)
        return false;

    for (Scope.Entry i = c.members_field.elems; i != null; i = i.sibling) {
        if (i.sym.kind == Kinds.MTH && (i.sym.flags() & Flags.NATIVE) != 0)
            return true;
        for (Attribute.Compound a: i.sym.getDeclarationAttributes()) {
            if (a.type.tsym == syms.nativeHeaderType.tsym)
                return true;
        }
    }
    if (checkNestedClasses) {
        for (Scope.Entry i = c.members_field.elems; i != null; i = i.sibling) {
            if ((i.sym.kind == Kinds.TYP) && needsHeader(((ClassSymbol) i.sym), true))
                return true;
        }
    }
    return false;
}
 

/**
 * Return a list of all classes contained in this package, including
 * member classes of those classes, and their member classes, etc.
 */
private List<ClassDocImpl> getClasses(boolean filtered) {
    if (allClasses != null && !filtered) {
        return allClasses;
    }
    if (allClassesFiltered != null && filtered) {
        return allClassesFiltered;
    }
    ListBuffer<ClassDocImpl> classes = new ListBuffer<ClassDocImpl>();
    for (Scope.Entry e = sym.members().elems; e != null; e = e.sibling) {
        if (e.sym != null) {
            ClassSymbol s = (ClassSymbol)e.sym;
            ClassDocImpl c = env.getClassDoc(s);
            if (c != null && !c.isSynthetic())
                c.addAllClasses(classes, filtered);
        }
    }
    if (filtered)
        return allClassesFiltered = classes.toList();
    else
        return allClasses = classes.toList();
}
 

/**
 * Returns a map from element symbols to their values.
 * Includes all elements, whether explicit or defaulted.
 */
private Map<MethodSymbol, Attribute> getAllValues() {
    Map<MethodSymbol, Attribute> res =
        new LinkedHashMap<MethodSymbol, Attribute>();

    // First find the default values.
    ClassSymbol sym = (ClassSymbol) anno.type.tsym;
    for (Scope.Entry e = sym.members().elems; e != null; e = e.sibling) {
        if (e.sym.kind == Kinds.MTH) {
            MethodSymbol m = (MethodSymbol) e.sym;
            Attribute def = m.getDefaultValue();
            if (def != null)
                res.put(m, def);
        }
    }
    // Next find the explicit values, possibly overriding defaults.
    for (Pair<MethodSymbol, Attribute> p : anno.values)
        res.put(p.fst, p.snd);
    return res;
}
 

private VarSymbol getDefinedSerializableFields(ClassSymbol def) {
    Names names = def.name.table.names;

    /* SERIALIZABLE_FIELDS can be private,
     * so must lookup by ClassSymbol, not by ClassDocImpl.
     */
    for (Scope.Entry e = def.members().lookup(names.fromString(SERIALIZABLE_FIELDS)); e.scope != null; e = e.next()) {
        if (e.sym.kind == Kinds.VAR) {
            VarSymbol f = (VarSymbol)e.sym;
            if ((f.flags() & Flags.STATIC) != 0 &&
                (f.flags() & Flags.PRIVATE) != 0) {
                return f;
            }
        }
    }
    return null;
}
 

private void addMethodIfExist(DocEnv env, ClassSymbol def, String methodName) {
    Names names = def.name.table.names;

    for (Scope.Entry e = def.members().lookup(names.fromString(methodName)); e.scope != null; e = e.next()) {
        if (e.sym.kind == Kinds.MTH) {
            MethodSymbol md = (MethodSymbol)e.sym;
            if ((md.flags() & Flags.STATIC) == 0) {
                /*
                 * WARNING: not robust if unqualifiedMethodName is overloaded
                 *          method. Signature checking could make more robust.
                 * READOBJECT takes a single parameter, java.io.ObjectInputStream.
                 * WRITEOBJECT takes a single parameter, java.io.ObjectOutputStream.
                 */
                methods.append(env.getMethodDoc(md));
            }
        }
    }
}
 

private boolean needsHeader(ClassSymbol c, boolean checkNestedClasses) {
    if (c.isLocal() || (c.flags() & Flags.SYNTHETIC) != 0)
        return false;

    for (Scope.Entry i = c.members_field.elems; i != null; i = i.sibling) {
        if (i.sym.kind == Kinds.MTH && (i.sym.flags() & Flags.NATIVE) != 0)
            return true;
        for (Attribute.Compound a: i.sym.getDeclarationAttributes()) {
            if (a.type.tsym == syms.nativeHeaderType.tsym)
                return true;
        }
    }
    if (checkNestedClasses) {
        for (Scope.Entry i = c.members_field.elems; i != null; i = i.sibling) {
            if ((i.sym.kind == Kinds.TYP) && needsHeader(((ClassSymbol) i.sym), true))
                return true;
        }
    }
    return false;
}
 

public Iterator<Symbol> iterator() {
    return new Iterator<Symbol>() {

        /** The next entry to examine, or null if none. */
        private Scope.Entry nextEntry = scope.elems;

        private boolean hasNextForSure = false;

        public boolean hasNext() {
            if (hasNextForSure) {
                return true;
            }
            while (nextEntry != null && unwanted(nextEntry.sym)) {
                nextEntry = nextEntry.sibling;
            }
            hasNextForSure = (nextEntry != null);
            return hasNextForSure;
        }

        public Symbol next() {
            if (hasNext()) {
                Symbol result = nextEntry.sym;
                nextEntry = nextEntry.sibling;
                hasNextForSure = false;
                return result;
            } else {
                throw new NoSuchElementException();
            }
        }

        public void remove() {
            throw new UnsupportedOperationException();
        }
    };
}
 

public int size() {
    int cnt = 0;
    for (Scope.Entry e = scope.elems; e != null; e = e.sibling) {
        if (!unwanted(e.sym))
            cnt++;
    }
    return cnt;
}
 

public Iterator<Symbol> iterator() {
    return new Iterator<Symbol>() {

        /** The next entry to examine, or null if none. */
        private Scope.Entry nextEntry = scope.elems;

        private boolean hasNextForSure = false;

        public boolean hasNext() {
            if (hasNextForSure) {
                return true;
            }
            while (nextEntry != null && unwanted(nextEntry.sym)) {
                nextEntry = nextEntry.sibling;
            }
            hasNextForSure = (nextEntry != null);
            return hasNextForSure;
        }

        public Symbol next() {
            if (hasNext()) {
                Symbol result = nextEntry.sym;
                nextEntry = nextEntry.sibling;
                hasNextForSure = false;
                return result;
            } else {
                throw new NoSuchElementException();
            }
        }

        public void remove() {
            throw new UnsupportedOperationException();
        }
    };
}
 

public int size() {
    int cnt = 0;
    for (Scope.Entry e = scope.elems; e != null; e = e.sibling) {
        if (!unwanted(e.sym))
            cnt++;
    }
    return cnt;
}
 

public int size() {
    int cnt = 0;
    for (Scope.Entry e = scope.elems; e != null; e = e.sibling) {
        if (!unwanted(e.sym))
            cnt++;
    }
    return cnt;
}
 

public int size() {
    int cnt = 0;
    for (Scope.Entry e = scope.elems; e != null; e = e.sibling) {
        if (!unwanted(e.sym))
            cnt++;
    }
    return cnt;
}
 

public Symbol get(int index) {
    for (Scope.Entry e = scope.elems; e != null; e = e.sibling) {
        if (!unwanted(e.sym) && (index-- == 0))
            return e.sym;
    }
    throw new IndexOutOfBoundsException();
}
 

public Iterator<Symbol> iterator() {
    return new Iterator<Symbol>() {

        /** The next entry to examine, or null if none. */
        private Scope.Entry nextEntry = scope.elems;

        private boolean hasNextForSure = false;

        public boolean hasNext() {
            if (hasNextForSure) {
                return true;
            }
            while (nextEntry != null && unwanted(nextEntry.sym)) {
                nextEntry = nextEntry.sibling;
            }
            hasNextForSure = (nextEntry != null);
            return hasNextForSure;
        }

        public Symbol next() {
            if (hasNext()) {
                Symbol result = nextEntry.sym;
                nextEntry = nextEntry.sibling;
                hasNextForSure = false;
                return result;
            } else {
                throw new NoSuchElementException();
            }
        }

        public void remove() {
            throw new UnsupportedOperationException();
        }
    };
}
 

public Symbol get(int index) {
    for (Scope.Entry e = scope.elems; e != null; e = e.sibling) {
        if (!unwanted(e.sym) && (index-- == 0))
            return e.sym;
    }
    throw new IndexOutOfBoundsException();
}
 

void test(String testName, boolean expectNames, String... opts) throws Exception {
    System.err.println("Test " + testName
            + ": expectNames:" + expectNames
            + " javacOpts:" + Arrays.asList(opts));

    File outDir = new File(testName);
    outDir.mkdirs();
    compile(outDir, opts);

    Context ctx = new Context();
    JavacFileManager fm = new JavacFileManager(ctx, true, null);
    fm.setLocation(StandardLocation.CLASS_PATH, Arrays.asList(outDir));
    ClassReader cr = ClassReader.instance(ctx);
    cr.saveParameterNames = true;
    Names names = Names.instance(ctx);

    Set<String> classes = getTopLevelClasses(outDir);
    Deque<String> work = new LinkedList<String>(classes);
    String classname;
    while ((classname = work.poll()) != null) {
        System.err.println("Checking class " + classname);
        ClassSymbol sym = cr.enterClass(names.table.fromString(classname));
        sym.complete();

        if ((sym.flags() & Flags.INTERFACE) != 0 && !testInterfaces)
            continue;

        for (Scope.Entry e = sym.members_field.elems; e != null; e = e.sibling) {
            System.err.println("Checking member " + e.sym);
            switch (e.sym.kind) {
                case Kinds.TYP: {
                    String name = e.sym.flatName().toString();
                    if (!classes.contains(name)) {
                        classes.add(name);
                        work.add(name);
                    }
                    break;
                }
                case Kinds.MTH:
                    verify((MethodSymbol) e.sym, expectNames);
                    break;
            }

        }
    }
}
 

void test(String testName, boolean expectNames, String... opts) throws Exception {
    System.err.println("Test " + testName
            + ": expectNames:" + expectNames
            + " javacOpts:" + Arrays.asList(opts));

    File outDir = new File(testName);
    outDir.mkdirs();
    compile(outDir, opts);

    Context ctx = new Context();
    JavacFileManager fm = new JavacFileManager(ctx, true, null);
    fm.setLocation(StandardLocation.CLASS_PATH, Arrays.asList(outDir));
    ClassReader cr = ClassReader.instance(ctx);
    cr.saveParameterNames = true;
    Names names = Names.instance(ctx);

    Set<String> classes = getTopLevelClasses(outDir);
    Deque<String> work = new LinkedList<String>(classes);
    String classname;
    while ((classname = work.poll()) != null) {
        System.err.println("Checking class " + classname);
        ClassSymbol sym = cr.enterClass(names.table.fromString(classname));
        sym.complete();

        if ((sym.flags() & Flags.INTERFACE) != 0 && !testInterfaces)
            continue;

        for (Scope.Entry e = sym.members_field.elems; e != null; e = e.sibling) {
            System.err.println("Checking member " + e.sym);
            switch (e.sym.kind) {
                case Kinds.TYP: {
                    String name = e.sym.flatName().toString();
                    if (!classes.contains(name)) {
                        classes.add(name);
                        work.add(name);
                    }
                    break;
                }
                case Kinds.MTH:
                    verify((MethodSymbol) e.sym, expectNames);
                    break;
            }

        }
    }
}