本文整理了Java中com.sun.tools.javac.code.Types.isSubtype()方法的一些代码示例，展示了Types.isSubtype()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Types.isSubtype()方法的具体详情如下：
包路径：com.sun.tools.javac.code.Types
类名称：Types
方法名：isSubtype

Types.isSubtype介绍

[英]Is t a subtype of s?
(not defined for Method and ForAll types)
[中]t是s的亚型吗？
（未为方法和所有类型定义）

代码示例

代码示例来源：origin: google/error-prone

private static boolean isSubtype(Types types, Type t, Type s) {
 return s != null && types.isSubtype(t, s);
}

代码示例来源：origin: google/error-prone

boolean isKnownCheckedException(VisitorState state, Type type) {
  Types types = state.getTypes();
  Symtab symtab = state.getSymtab();
  // Check erasure for generics.
  type = types.erasure(type);
  return
  // Has to be some Exception: A variable of type Throwable might be an Error.
  types.isSubtype(type, symtab.exceptionType)
    // Has to be some subtype: A variable of type Exception might be a RuntimeException.
    && !types.isSameType(type, symtab.exceptionType)
    // Can't be of type RuntimeException.
    && !types.isSubtype(type, symtab.runtimeExceptionType);
 }
};

代码示例来源：origin: uber/NullAway

private boolean thriftIsSetCall(Symbol.MethodSymbol symbol, Types types) {
  Preconditions.checkNotNull(tbaseType);
  // noinspection ConstantConditions
  return tbaseType.isPresent()
    && symbol.getSimpleName().toString().startsWith("isSet")
    // weeds out the isSet() method in TBase itself
    && symbol.getParameters().length() == 0
    && types.isSubtype(symbol.owner.type, tbaseType.get());
 }
}

代码示例来源：origin: google/error-prone

/** Returns true if {@code erasure(s) <: erasure(t)}. */
public static boolean isSubtype(Type s, Type t, VisitorState state) {
 if (s == null || t == null) {
  return false;
 }
 if (SUBTYPE_UNDEFINED.contains(s.getTag()) || SUBTYPE_UNDEFINED.contains(t.getTag())) {
  return false;
 }
 Types types = state.getTypes();
 return types.isSubtype(types.erasure(s), types.erasure(t));
}

代码示例来源：origin: google/error-prone

/**
 * Returns true if the lock expression corresponds to a {@code
 * java.util.concurrent.locks.ReadWriteLock}.
 */
private static boolean isRWLock(GuardedByExpression guard, VisitorState state) {
 Type guardType = guard.type();
 if (guardType == null) {
  return false;
 }
 Symbol rwLockSymbol = state.getSymbolFromString(JUC_READ_WRITE_LOCK);
 if (rwLockSymbol == null) {
  return false;
 }
 return state.getTypes().isSubtype(guardType, rwLockSymbol.type);
}

代码示例来源：origin: google/error-prone

@Override
 public boolean matches(ExpressionTree expressionTree, VisitorState state) {
  Symbol sym = ASTHelpers.getSymbol(expressionTree);
  if (sym == null) {
   return false;
  }
  if (!(sym instanceof MethodSymbol)) {
   throw new IllegalArgumentException(
     "DescendantOf matcher expects a method call but found "
       + sym.getClass()
       + ". Expression: "
       + expressionTree);
  }
  if (sym.isStatic()) {
   return false;
  }

  if (methodName.equals(sym.toString())) {
   Type accessedReferenceType = sym.owner.type;
   Type collectionType = state.getTypeFromString(fullClassName);
   if (collectionType != null) {
    return state
      .getTypes()
      .isSubtype(accessedReferenceType, state.getTypes().erasure(collectionType));
   }
  }

  return false;
 }
}

代码示例来源：origin: google/error-prone

@Override
 public boolean matches(ExpressionTree tree, VisitorState state) {
  Types types = state.getTypes();
  Type classType = state.getSymtab().classType;
  Type runtimeExceptionType = state.getSymtab().runtimeExceptionType;
  Type argType = getType(tree);
  // Make sure that the argument is a Class<Something> (and not null/bottom).
  if (!isSubtype(argType, classType, state) || argType.getTag() == BOT) {
   return false;
  }
  List<Type> typeArguments = ((ClassType) argType).getTypeArguments();
  Type exceptionType = Iterables.getFirst(typeArguments, null);
  return types.isSubtype(exceptionType, runtimeExceptionType);
 }
};

代码示例来源：origin: google/error-prone

for (Symbol member : members) {
 Type owner = types.erasure(member.owner.type);
 if (canonicalOwner == null || types.isSubtype(owner, canonicalOwner)) {
  canonicalOwner = owner;

代码示例来源：origin: google/error-prone

if (types.isSubtype(componentType, charSequenceType)
  && !types.isSameType(componentType, charSequenceType)
  && !types.isSameType(componentType, stringType)) {

代码示例来源：origin: org.jvnet.sorcerer/sorcerer-javac

/**
 * Is t a subtype of s?<br>
 * (not defined for Method and ForAll types)
 */
final public boolean isSubtype(Type t, Type s) {
  return isSubtype(t, s, true);
}
final public boolean isSubtypeNoCapture(Type t, Type s) {

代码示例来源：origin: cincheo/jsweet

com.sun.tools.javac.code.Type type = (com.sun.tools.javac.code.Type) typeMirror;
String typeName = type.tsym.getQualifiedName().toString();
if (typeName.startsWith("java.") && context.types.isSubtype(type, context.symtab.throwableType)) {
  print(exprStr, expr);
  print(" != null && ");

代码示例来源：origin: cincheo/jsweet

&& !context.types.isSubtype(classdecl.type, context.symtab.throwableType)
&& !Util.isSourceElement(context.modelTypes.asElement(superClassType))) {

代码示例来源：origin: org.kohsuke.sorcerer/sorcerer-javac

/** Is given type a subtype or supertype of
 *  some of the types in given list?
 */
boolean intersects(Type t, List<Type> ts) {
  for (List<Type> l = ts; l.nonEmpty(); l = l.tail)
    if (types.isSubtype(t, l.head) || types.isSubtype(l.head, t)) return true;
  return false;
}

代码示例来源：origin: org.kohsuke.sorcerer/sorcerer-javac

/** check if a class is a subtype of Serializable, if that is available. */
private boolean isSerializable(ClassSymbol c) {
  try {
    syms.serializableType.complete();
  }
  catch (CompletionFailure e) {
    return false;
  }
  return types.isSubtype(c.type, syms.serializableType);
}

代码示例来源：origin: sc.fiji/javac

/** check if a class is a subtype of Serializable, if that is available. */
private boolean isSerializable(ClassSymbol c) {
  try {
    syms.serializableType.complete();
  }
  catch (CompletionFailure e) {
    return false;
  }
  return types.isSubtype(c.type, syms.serializableType);
}

代码示例来源：origin: org.kohsuke.sorcerer/sorcerer-javac

public boolean isSubtype(TypeMirror t1, TypeMirror t2) {
  validateTypeNotIn(t1, EXEC_OR_PKG);
  validateTypeNotIn(t2, EXEC_OR_PKG);
  return types.isSubtype((Type) t1, (Type) t2);
}

代码示例来源：origin: sc.fiji/javac

public boolean isSubtype(TypeMirror t1, TypeMirror t2) {
  validateTypeNotIn(t1, EXEC_OR_PKG);
  validateTypeNotIn(t2, EXEC_OR_PKG);
  return types.isSubtype((Type) t1, (Type) t2);
}

代码示例来源：origin: com.google.errorprone/error_prone_check_api

/** Returns true if {@code erasure(s) <: erasure(t)}. */
public static boolean isSubtype(Type s, Type t, VisitorState state) {
 if (s == null || t == null) {
  return false;
 }
 Types types = state.getTypes();
 return types.isSubtype(types.erasure(s), types.erasure(t));
}

代码示例来源：origin: cincheo/jsweet

&& (!overload.coreMethod.sym.getModifiers().contains(Modifier.ABSTRACT)
        || isInterfaceMethod(parent, methodDecl)
        || !context.types.isSubtype(parent.sym.type,
            overload.coreMethod.sym.getEnclosingElement().type));
if (!overload.printed && !addCoreMethod && overload.coreMethod.type instanceof MethodType) {

代码示例来源：origin: org.kohsuke.sorcerer/sorcerer-javac

private List<Type> superClosure(Type t, Type s) {
  List<Type> cl = List.nil();
  for (List<Type> l = interfaces(t); l.nonEmpty(); l = l.tail) {
    if (isSubtype(s, erasure(l.head))) {
      cl = insert(cl, l.head);
    } else {
      cl = union(cl, superClosure(l.head, s));
    }
  }
  return cl;
}