Java Code Examples for com.sun.tools.javac.code.Symbol.ClassSymbol#isLocal()

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;
}
 

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;
}
 

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;
}
 

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

    if (checkAll)
        return needsHeader(c.outermostClass(), true);
    else
        return needsHeader(c, false);
}
 

public boolean needsHeader(ClassSymbol c) {
    lazyInit();
    if (c.isLocal() || isSynthetic(c))
        return false;
    return (checkAll)
            ? needsHeader(c.outermostClass(), true)
            : needsHeader(c, false);
}
 

ClassSymbol ownerToCopyFreeVarsFrom(ClassSymbol c) {
    if (!c.isLocal()) {
        return null;
    }
    Symbol currentOwner = c.owner;
    while (currentOwner.owner.kind.matches(KindSelector.TYP) && currentOwner.isLocal()) {
        currentOwner = currentOwner.owner;
    }
    if (currentOwner.owner.kind.matches(KindSelector.VAL_MTH) && c.isSubClass(currentOwner, types)) {
        return (ClassSymbol)currentOwner;
    }
    return null;
}
 

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

    if (checkAll)
        return needsHeader(c.outermostClass(), true);
    else
        return needsHeader(c, false);
}
 

public boolean needsHeader(ClassSymbol c) {
    lazyInit();
    if (c.isLocal() || isSynthetic(c))
        return false;
    return (checkAll)
            ? needsHeader(c.outermostClass(), true)
            : needsHeader(c, false);
}
 

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

    if (checkAll)
        return needsHeader(c.outermostClass(), true);
    else
        return needsHeader(c, false);
}
 

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

    if (checkAll)
        return needsHeader(c.outermostClass(), true);
    else
        return needsHeader(c, false);
}
 

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

    if (checkAll)
        return needsHeader(c.outermostClass(), true);
    else
        return needsHeader(c, false);
}
 

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

    if (checkAll)
        return needsHeader(c.outermostClass(), true);
    else
        return needsHeader(c, false);
}
 

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

    if (checkAll)
        return needsHeader(c.outermostClass(), true);
    else
        return needsHeader(c, false);
}
 

public void visitApply(JCMethodInvocation tree) {
    Symbol meth = TreeInfo.symbol(tree.meth);
    List<Type> argtypes = meth.type.getParameterTypes();
    if (meth.name == names.init && meth.owner == syms.enumSym)
        argtypes = argtypes.tail.tail;
    tree.args = boxArgs(argtypes, tree.args, tree.varargsElement);
    tree.varargsElement = null;
    Name methName = TreeInfo.name(tree.meth);
    if (meth.name==names.init) {
        // We are seeing a this(...) or super(...) constructor call.
        // If an access constructor is used, append null as a last argument.
        Symbol constructor = accessConstructor(tree.pos(), meth);
        if (constructor != meth) {
            tree.args = tree.args.append(makeNull());
            TreeInfo.setSymbol(tree.meth, constructor);
        }

        // If we are calling a constructor of a local class, add
        // free variables after explicit constructor arguments.
        ClassSymbol c = (ClassSymbol)constructor.owner;
        if (c.isLocal()) {
            tree.args = tree.args.appendList(loadFreevars(tree.pos(), freevars(c)));
        }

        // If we are calling a constructor of an enum class, pass
        // along the name and ordinal arguments
        if ((c.flags_field&ENUM) != 0 || c.getQualifiedName() == names.java_lang_Enum) {
            List<JCVariableDecl> params = currentMethodDef.params;
            if (currentMethodSym.owner.hasOuterInstance())
                params = params.tail; // drop this$n
            tree.args = tree.args
                .prepend(make_at(tree.pos()).Ident(params.tail.head.sym)) // ordinal
                .prepend(make.Ident(params.head.sym)); // name
        }

        // If we are calling a constructor of a class with an outer
        // instance, and the call
        // is qualified, pass qualifier as first argument in front of
        // the explicit constructor arguments. If the call
        // is not qualified, pass the correct outer instance as
        // first argument.
        if (c.hasOuterInstance()) {
            JCExpression thisArg;
            if (tree.meth.hasTag(SELECT)) {
                thisArg = attr.
                    makeNullCheck(translate(((JCFieldAccess) tree.meth).selected));
                tree.meth = make.Ident(constructor);
                ((JCIdent) tree.meth).name = methName;
            } else if (c.isLocal() || methName == names._this){
                // local class or this() call
                thisArg = makeThis(tree.meth.pos(), c.type.getEnclosingType().tsym);
            } else {
                // super() call of nested class - never pick 'this'
                thisArg = makeOwnerThisN(tree.meth.pos(), c, false);
            }
            tree.args = tree.args.prepend(thisArg);
        }
    } else {
        // We are seeing a normal method invocation; translate this as usual.
        tree.meth = translate(tree.meth);

        // If the translated method itself is an Apply tree, we are
        // seeing an access method invocation. In this case, append
        // the method arguments to the arguments of the access method.
        if (tree.meth.hasTag(APPLY)) {
            JCMethodInvocation app = (JCMethodInvocation)tree.meth;
            app.args = tree.args.prependList(app.args);
            result = app;
            return;
        }
    }
    result = tree;
}
 

@Override
    public void visitClassDef(JCClassDecl tree) {
        Symbol owner = env.info.scope.owner;
        Scope enclScope = enterScope(env);
        ClassSymbol c;
        if (owner.kind == PCK) {
            // We are seeing a toplevel class.
            PackageSymbol packge = (PackageSymbol)owner;
            for (Symbol q = packge; q != null && q.kind == PCK; q = q.owner)
                q.flags_field |= EXISTS;
            c = reader.enterClass(tree.name, packge);
            packge.members().enterIfAbsent(c);
            if ((tree.mods.flags & PUBLIC) != 0 && !classNameMatchesFileName(c, env)) {
                log.error(tree.pos(),
                          "class.public.should.be.in.file", tree.name);
            }
        } else {
            if (!tree.name.isEmpty() &&
                !chk.checkUniqueClassName(tree.pos(), tree.name, enclScope)) {
                result = null;
                return;
            }
            if (owner.kind == TYP) {
                // We are seeing a member class.
                c = reader.enterClass(tree.name, (TypeSymbol)owner);
                if ((owner.flags_field & INTERFACE) != 0) {
                    tree.mods.flags |= PUBLIC | STATIC;
                }
            } else {
                // We are seeing a local class.
                c = reader.defineClass(tree.name, owner);
                c.flatname = chk.localClassName(c);
                if (!c.name.isEmpty())
                    chk.checkTransparentClass(tree.pos(), c, env.info.scope);
            }
        }
        tree.sym = c;

        // Enter class into `compiled' table and enclosing scope.
        if (chk.compiled.get(c.flatname) != null) {
            duplicateClass(tree.pos(), c);
            result = types.createErrorType(tree.name, (TypeSymbol)owner, Type.noType);
            tree.sym = (ClassSymbol)result.tsym;
            return;
        }
        chk.compiled.put(c.flatname, c);
        enclScope.enter(c);

        // Set up an environment for class block and store in `typeEnvs'
        // table, to be retrieved later in memberEnter and attribution.
        Env<AttrContext> localEnv = classEnv(tree, env);
        typeEnvs.put(c, localEnv);

        // Fill out class fields.
        c.completer = memberEnter;
        c.flags_field = chk.checkFlags(tree.pos(), tree.mods.flags, c, tree);
        c.sourcefile = env.toplevel.sourcefile;
        c.members_field = new Scope(c);

        ClassType ct = (ClassType)c.type;
        if (owner.kind != PCK && (c.flags_field & STATIC) == 0) {
            // We are seeing a local or inner class.
            // Set outer_field of this class to closest enclosing class
            // which contains this class in a non-static context
            // (its "enclosing instance class"), provided such a class exists.
            Symbol owner1 = owner;
            while ((owner1.kind & (VAR | MTH)) != 0 &&
                   (owner1.flags_field & STATIC) == 0) {
                owner1 = owner1.owner;
            }
            if (owner1.kind == TYP) {
                ct.setEnclosingType(owner1.type);
            }
        }

        // Enter type parameters.
        ct.typarams_field = classEnter(tree.typarams, localEnv);

        // Add non-local class to uncompleted, to make sure it will be
        // completed later.
        if (!c.isLocal() && uncompleted != null) uncompleted.append(c);
//      System.err.println("entering " + c.fullname + " in " + c.owner);//DEBUG

        // Recursively enter all member classes.
        classEnter(tree.defs, localEnv);

        result = c.type;
    }
 

@Override
    public void visitClassDef(JCClassDecl tree) {
        Symbol owner = env.info.scope.owner;
        Scope enclScope = enterScope(env);
        ClassSymbol c;
        if (owner.kind == PCK) {
            // We are seeing a toplevel class.
            PackageSymbol packge = (PackageSymbol)owner;
            for (Symbol q = packge; q != null && q.kind == PCK; q = q.owner)
                q.flags_field |= EXISTS;
            c = reader.enterClass(tree.name, packge);
            packge.members().enterIfAbsent(c);
            if ((tree.mods.flags & PUBLIC) != 0 && !classNameMatchesFileName(c, env)) {
                log.error(tree.pos(),
                          "class.public.should.be.in.file", tree.name);
            }
        } else {
            if (!tree.name.isEmpty() &&
                !chk.checkUniqueClassName(tree.pos(), tree.name, enclScope)) {
                result = null;
                return;
            }
            if (owner.kind == TYP) {
                // We are seeing a member class.
                c = reader.enterClass(tree.name, (TypeSymbol)owner);
                if ((owner.flags_field & INTERFACE) != 0) {
                    tree.mods.flags |= PUBLIC | STATIC;
                }
            } else {
                // We are seeing a local class.
                c = reader.defineClass(tree.name, owner);
                c.flatname = chk.localClassName(c);
                if (!c.name.isEmpty())
                    chk.checkTransparentClass(tree.pos(), c, env.info.scope);
            }
        }
        tree.sym = c;

        // Enter class into `compiled' table and enclosing scope.
        if (chk.compiled.get(c.flatname) != null) {
            duplicateClass(tree.pos(), c);
            result = types.createErrorType(tree.name, (TypeSymbol)owner, Type.noType);
            tree.sym = (ClassSymbol)result.tsym;
            return;
        }
        chk.compiled.put(c.flatname, c);
        enclScope.enter(c);

        // Set up an environment for class block and store in `typeEnvs'
        // table, to be retrieved later in memberEnter and attribution.
        Env<AttrContext> localEnv = classEnv(tree, env);
        typeEnvs.put(c, localEnv);

        // Fill out class fields.
        c.completer = memberEnter;
        c.flags_field = chk.checkFlags(tree.pos(), tree.mods.flags, c, tree);
        c.sourcefile = env.toplevel.sourcefile;
        c.members_field = new Scope(c);

        ClassType ct = (ClassType)c.type;
        if (owner.kind != PCK && (c.flags_field & STATIC) == 0) {
            // We are seeing a local or inner class.
            // Set outer_field of this class to closest enclosing class
            // which contains this class in a non-static context
            // (its "enclosing instance class"), provided such a class exists.
            Symbol owner1 = owner;
            while ((owner1.kind & (VAR | MTH)) != 0 &&
                   (owner1.flags_field & STATIC) == 0) {
                owner1 = owner1.owner;
            }
            if (owner1.kind == TYP) {
                ct.setEnclosingType(owner1.type);
            }
        }

        // Enter type parameters.
        ct.typarams_field = classEnter(tree.typarams, localEnv);

        // Add non-local class to uncompleted, to make sure it will be
        // completed later.
        if (!c.isLocal() && uncompleted != null) uncompleted.append(c);
//      System.err.println("entering " + c.fullname + " in " + c.owner);//DEBUG

        // Recursively enter all member classes.
        classEnter(tree.defs, localEnv);

        result = c.type;
    }