Java Code Examples for com.sun.tools.javac.code.Symbol.ClassSymbol#flags()
The following examples show how to use
com.sun.tools.javac.code.Symbol.ClassSymbol#flags() .
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Example 1
| Source File: JNIWriter.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
|
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;
}
Example 2
| Source File: JNIWriter.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
|
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;
}
Example 3
| Source File: JNIWriter.java From openjdk-8-source with GNU General Public License v2.0 | 6 votes |
|
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;
}
Example 4
| Source File: JNIWriter.java From openjdk-jdk8u with GNU General Public License v2.0 | 6 votes |
|
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;
}
Example 5
| Source File: Check.java From lua-for-android with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
private boolean isDeprecatedOverrideIgnorable(MethodSymbol m, ClassSymbol origin) {
// If the method, m, is defined in an interface, then ignore the issue if the method
// is only inherited via a supertype and also implemented in the supertype,
// because in that case, we will rediscover the issue when examining the method
// in the supertype.
// If the method, m, is not defined in an interface, then the only time we need to
// address the issue is when the method is the supertype implemementation: any other
// case, we will have dealt with when examining the supertype classes
ClassSymbol mc = m.enclClass();
Type st = types.supertype(origin.type);
if (!st.hasTag(CLASS))
return true;
MethodSymbol stimpl = m.implementation((ClassSymbol)st.tsym, types, false);
if (mc != null && ((mc.flags() & INTERFACE) != 0)) {
List<Type> intfs = types.interfaces(origin.type);
return (intfs.contains(mc.type) ? false : (stimpl != null));
}
else
return (stimpl != m);
}
Example 6
| Source File: Check.java From lua-for-android with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
public void checkClassOverrideEqualsAndHashIfNeeded(DiagnosticPosition pos,
ClassSymbol someClass) {
/* At present, annotations cannot possibly have a method that is override
* equivalent with Object.equals(Object) but in any case the condition is
* fine for completeness.
*/
if (someClass == (ClassSymbol)syms.objectType.tsym ||
someClass.isInterface() || someClass.isEnum() ||
(someClass.flags() & ANNOTATION) != 0 ||
(someClass.flags() & ABSTRACT) != 0) return;
//anonymous inner classes implementing interfaces need especial treatment
if (someClass.isAnonymous()) {
List<Type> interfaces = types.interfaces(someClass.type);
if (interfaces != null && !interfaces.isEmpty() &&
interfaces.head.tsym == syms.comparatorType.tsym) return;
}
checkClassOverrideEqualsAndHash(pos, someClass);
}
Example 7
| Source File: JNIWriter.java From openjdk-8 with GNU General Public License v2.0 | 6 votes |
|
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;
}
Example 8
| Source File: JNIWriter.java From hottub with GNU General Public License v2.0 | 6 votes |
|
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;
}
Example 9
| Source File: JNIWriter.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 6 votes |
|
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;
}
Example 10
| Source File: JNIWriter.java From openjdk-8 with GNU General Public License v2.0 | 5 votes |
|
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);
}
Example 11
| Source File: JNIWriter.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
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);
}
Example 12
| Source File: JNIWriter.java From openjdk-8-source with GNU General Public License v2.0 | 5 votes |
|
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);
}
Example 13
| Source File: JNIWriter.java From hottub with GNU General Public License v2.0 | 5 votes |
|
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);
}
Example 14
| Source File: JNIWriter.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
|
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);
}
Example 15
| Source File: Check.java From lua-for-android with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
/** Check that an auxiliary class is not accessed from any other file than its own.
*/
void checkForBadAuxiliaryClassAccess(DiagnosticPosition pos, Env<AttrContext> env, ClassSymbol c) {
if (lint.isEnabled(Lint.LintCategory.AUXILIARYCLASS) &&
(c.flags() & AUXILIARY) != 0 &&
rs.isAccessible(env, c) &&
!fileManager.isSameFile(c.sourcefile, env.toplevel.sourcefile))
{
log.warning(pos,
Warnings.AuxiliaryClassAccessedFromOutsideOfItsSourceFile(c, c.sourcefile));
}
}
Example 16
| Source File: JNIWriter.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
|
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);
}
Example 17
| Source File: JNIWriter.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
|
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);
}
Example 18
| Source File: Modules.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
@Override
public void visitProvides(JCProvides tree) {
Type st = attr.attribType(tree.serviceName, env, syms.objectType);
ClassSymbol service = (ClassSymbol) st.tsym;
if (allProvides.containsKey(service)) {
log.error(tree.serviceName.pos(), Errors.RepeatedProvidesForService(service));
}
ListBuffer<ClassSymbol> impls = new ListBuffer<>();
for (JCExpression implName : tree.implNames) {
Type it;
boolean prevVisitingServiceImplementation = env.info.visitingServiceImplementation;
try {
env.info.visitingServiceImplementation = true;
it = attr.attribType(implName, env, syms.objectType);
} finally {
env.info.visitingServiceImplementation = prevVisitingServiceImplementation;
}
ClassSymbol impl = (ClassSymbol) it.tsym;
if ((impl.flags_field & PUBLIC) == 0) {
log.error(implName.pos(), Errors.NotDefPublic(impl, impl.location()));
}
//find provider factory:
MethodSymbol factory = factoryMethod(impl);
if (factory != null) {
Type returnType = factory.type.getReturnType();
if (!types.isSubtype(returnType, st)) {
log.error(implName.pos(), Errors.ServiceImplementationProviderReturnMustBeSubtypeOfServiceInterface);
}
} else {
if (!types.isSubtype(it, st)) {
log.error(implName.pos(), Errors.ServiceImplementationMustBeSubtypeOfServiceInterface);
} else if ((impl.flags() & ABSTRACT) != 0) {
log.error(implName.pos(), Errors.ServiceImplementationIsAbstract(impl));
} else if (impl.isInner()) {
log.error(implName.pos(), Errors.ServiceImplementationIsInner(impl));
} else {
MethodSymbol constr = noArgsConstructor(impl);
if (constr == null) {
log.error(implName.pos(), Errors.ServiceImplementationDoesntHaveANoArgsConstructor(impl));
} else if ((constr.flags() & PUBLIC) == 0) {
log.error(implName.pos(), Errors.ServiceImplementationNoArgsConstructorNotPublic(impl));
}
}
}
if (it.hasTag(CLASS)) {
if (allProvides.computeIfAbsent(service, s -> new HashSet<>()).add(impl)) {
impls.append(impl);
} else {
log.error(implName.pos(), Errors.DuplicateProvides(service, impl));
}
}
}
if (st.hasTag(CLASS) && !impls.isEmpty()) {
Directive.ProvidesDirective d = new Directive.ProvidesDirective(service, impls.toList());
msym.provides = msym.provides.prepend(d);
msym.directives = msym.directives.prepend(d);
directiveToTreeMap.put(d, tree);
}
}
Example 19
| Source File: Modules.java From lua-for-android with BSD 3-Clause "New" or "Revised" License | 4 votes |
|
@Override
public void visitProvides(JCProvides tree) {
Type st = attr.attribType(tree.serviceName, env, syms.objectType);
ClassSymbol service = (ClassSymbol) st.tsym;
if (allProvides.containsKey(service)) {
log.error(tree.serviceName.pos(), Errors.RepeatedProvidesForService(service));
}
ListBuffer<ClassSymbol> impls = new ListBuffer<>();
for (JCExpression implName : tree.implNames) {
Type it;
boolean prevVisitingServiceImplementation = env.info.visitingServiceImplementation;
try {
env.info.visitingServiceImplementation = true;
it = attr.attribType(implName, env, syms.objectType);
} finally {
env.info.visitingServiceImplementation = prevVisitingServiceImplementation;
}
ClassSymbol impl = (ClassSymbol) it.tsym;
if ((impl.flags_field & PUBLIC) == 0) {
log.error(implName.pos(), Errors.NotDefPublic(impl, impl.location()));
}
//find provider factory:
MethodSymbol factory = factoryMethod(impl);
if (factory != null) {
Type returnType = factory.type.getReturnType();
if (!types.isSubtype(returnType, st)) {
log.error(implName.pos(), Errors.ServiceImplementationProviderReturnMustBeSubtypeOfServiceInterface);
}
} else {
if (!types.isSubtype(it, st)) {
log.error(implName.pos(), Errors.ServiceImplementationMustBeSubtypeOfServiceInterface);
} else if ((impl.flags() & ABSTRACT) != 0) {
log.error(implName.pos(), Errors.ServiceImplementationIsAbstract(impl));
} else if (impl.isInner()) {
log.error(implName.pos(), Errors.ServiceImplementationIsInner(impl));
} else {
MethodSymbol constr = noArgsConstructor(impl);
if (constr == null) {
log.error(implName.pos(), Errors.ServiceImplementationDoesntHaveANoArgsConstructor(impl));
} else if ((constr.flags() & PUBLIC) == 0) {
log.error(implName.pos(), Errors.ServiceImplementationNoArgsConstructorNotPublic(impl));
}
}
}
if (it.hasTag(CLASS)) {
if (Maps.computeIfAbsent(allProvides,service, s -> new HashSet<>()).add(impl)) {
impls.append(impl);
} else {
log.error(implName.pos(), Errors.DuplicateProvides(service, impl));
}
}
}
if (st.hasTag(CLASS) && !impls.isEmpty()) {
Directive.ProvidesDirective d = new Directive.ProvidesDirective(service, impls.toList());
msym.provides = msym.provides.prepend(d);
msym.directives = msym.directives.prepend(d);
directiveToTreeMap.put(d, tree);
}
}
Example 20
| Source File: TransTypes.java From lua-for-android with BSD 3-Clause "New" or "Revised" License | 4 votes |
|
/** Add bridge if given symbol is a non-private, non-static member
* of the given class, which is either defined in the class or non-final
* inherited, and one of the two following conditions holds:
* 1. The method's type changes in the given class, as compared to the
* class where the symbol was defined, (in this case
* we have extended a parameterized class with non-trivial parameters).
* 2. The method has an implementation with a different erased return type.
* (in this case we have used co-variant returns).
* If a bridge already exists in some other class, no new bridge is added.
* Instead, it is checked that the bridge symbol overrides the method symbol.
* (Spec ???).
* todo: what about bridges for privates???
*
* @param pos The source code position to be used for the definition.
* @param sym The symbol for which a bridge might have to be added.
* @param origin The class in which the bridge would go.
* @param bridges The list buffer to which the bridge would be added.
*/
void addBridgeIfNeeded(DiagnosticPosition pos,
Symbol sym,
ClassSymbol origin,
ListBuffer<JCTree> bridges) {
if (sym.kind == MTH &&
sym.name != names.init &&
(sym.flags() & (PRIVATE | STATIC)) == 0 &&
(sym.flags() & SYNTHETIC) != SYNTHETIC &&
sym.isMemberOf(origin, types))
{
MethodSymbol meth = (MethodSymbol)sym;
MethodSymbol bridge = meth.binaryImplementation(origin, types);
MethodSymbol impl = meth.implementation(origin, types, true);
if (bridge == null ||
bridge == meth ||
(impl != null && !bridge.owner.isSubClass(impl.owner, types))) {
// No bridge was added yet.
if (impl != null && isBridgeNeeded(meth, impl, origin.type)) {
addBridge(pos, meth, impl, origin, bridge==impl, bridges);
} else if (impl == meth
&& impl.owner != origin
&& (impl.flags() & FINAL) == 0
&& (meth.flags() & (ABSTRACT|PUBLIC)) == PUBLIC
&& (origin.flags() & PUBLIC) > (impl.owner.flags() & PUBLIC)) {
// this is to work around a horrible but permanent
// reflection design error.
addBridge(pos, meth, impl, origin, false, bridges);
}
} else if ((bridge.flags() & SYNTHETIC) == SYNTHETIC) {
final Pair<MethodSymbol, MethodSymbol> bridgeSpan = bridgeSpans.get(bridge);
MethodSymbol other = bridgeSpan == null ? null : bridgeSpan.fst;
if (other != null && other != meth) {
if (impl == null || !impl.overrides(other, origin, types, true)) {
// Is bridge effectively also the bridge for `meth', if so no clash.
MethodSymbol target = bridgeSpan == null ? null : bridgeSpan.snd;
if (target == null || !target.overrides(meth, origin, types, true, false)) {
// Bridge for other symbol pair was added
log.error(pos, Errors.NameClashSameErasureNoOverride(
other.name, types.memberType(origin.type, other).asMethodType().getParameterTypes(),
other.location(origin.type, types),
meth.name, types.memberType(origin.type, meth).asMethodType().getParameterTypes(),
meth.location(origin.type, types)));
}
}
}
} else if (!bridge.overrides(meth, origin, types, true)) {
// Accidental binary override without source override.
// Don't diagnose the problem if it would already
// have been reported in the superclass
if (bridge.owner == origin ||
types.asSuper(bridge.owner.type, meth.owner) == null) {
log.error(pos, Errors.NameClashSameErasureNoOverride(
bridge.name, types.memberType(origin.type, bridge).asMethodType().getParameterTypes(),
bridge.location(origin.type, types),
meth.name, types.memberType(origin.type, meth).asMethodType().getParameterTypes(),
meth.location(origin.type, types)));
}
}
}
}
