本文整理了Java中com.sun.tools.javac.code.Types.isSameType()方法的一些代码示例，展示了Types.isSameType()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.isSameType()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：isSameType

Types.isSameType介绍

[英]Is t the same type as s?
[中]这和s是同一类型的吗？

代码示例

代码示例来源：origin: google/error-prone

/** Removes the message argument if it is present. */
private void removeMessageArgumentIfPresent(VisitorState state, List<Type> argumentTypes) {
 if (argumentTypes.size() == 2) {
  return;
 }
 Types types = state.getTypes();
 Type firstType = argumentTypes.get(0);
 if (types.isSameType(firstType, state.getSymtab().stringType)) {
  argumentTypes.remove(0);
 }
}

代码示例来源：origin: google/error-prone

@Override
 public boolean matches(BinaryTree tree, VisitorState state) {
  Type leftType = ((JCTree) tree.getLeftOperand()).type;
  Types types = state.getTypes();
  Symtab symtab = state.getSymtab();
  if (!(types.isSameType(leftType, symtab.intType))
    && !(types.isSameType(leftType, symtab.byteType))
    && !(types.isSameType(leftType, symtab.shortType))
    && !(types.isSameType(leftType, symtab.charType))) {
   return false;
  }
  ExpressionTree rightOperand = tree.getRightOperand();
  if (rightOperand instanceof LiteralTree) {
   Object rightValue = ((LiteralTree) rightOperand).getValue();
   if (rightValue instanceof Number) {
    int intValue = ((Number) rightValue).intValue();
    return intValue < 0 || intValue > 31;
   }
  }
  return false;
 }
};

代码示例来源：origin: google/error-prone

private DoubleAndFloatStatus doubleAndFloatStatus(
  VisitorState state, Type recieverType, Type argType) {
 Types types = state.getTypes();
 if (!types.isSameType(recieverType, state.getSymtab().floatType)) {
  return DoubleAndFloatStatus.NONE;
 }
 if (types.isSameType(argType, types.boxedClass(state.getSymtab().doubleType).type)) {
  return DoubleAndFloatStatus.BOXED_DOUBLE_INTO_FLOAT;
 }
 if (types.isSameType(argType, state.getSymtab().doubleType)) {
  return DoubleAndFloatStatus.PRIMITIVE_DOUBLE_INTO_FLOAT;
 }
 return DoubleAndFloatStatus.NONE;
}

代码示例来源：origin: google/error-prone

private static TreeSet<Type> typeSet(VisitorState state) {
  return new TreeSet<>(
    (t1, t2) ->
      state.getTypes().isSameType(t1, t2) ? 0 : t1.toString().compareTo(t2.toString()));
 }
}

代码示例来源：origin: google/error-prone

private static boolean hasInitialStringParameter(MethodSymbol sym, VisitorState state) {
 Types types = state.getTypes();
 List<VarSymbol> parameters = sym.getParameters();
 return !parameters.isEmpty()
   && types.isSameType(parameters.get(0).type, state.getSymtab().stringType);
}

代码示例来源：origin: google/error-prone

private static boolean isEqualsMethod(
  MemberName calleeName, List<Node> arguments, Types types, Symtab symtab) {
 // we don't care about class name -- we're matching against Object.equals(Object)
 // this implies that non-overriding methods are assumed to be null-guaranteeing.
 // Also see http://errorprone.info/bugpattern/NonOverridingEquals
 if (!calleeName.member.equals("equals") || arguments.size() != 1) {
  return false;
 }
 if (!(getOnlyElement(arguments).getTree() instanceof JCIdent)) {
  return false;
 }
 Symbol sym = ((JCIdent) getOnlyElement(arguments).getTree()).sym;
 if (sym == null || sym.type == null) {
  return false;
 }
 return types.isSameType(sym.type, symtab.objectType)
   && (!variablesAtIndexes(ImmutableSet.of(0), arguments).isEmpty());
}

代码示例来源：origin: google/error-prone

private static ImmutableMap<TypeVariableSymbol, Type> getInstantiation(
  Types types, Type methodType) {
 List<Type> to = new ArrayList<>();
 ArrayList<Type> from = new ArrayList<>();
 getSubst(getMapping(methodType), from, to);
 Map<TypeVariableSymbol, Type> mapping = new LinkedHashMap<>();
 Streams.forEachPair(
   from.stream(),
   to.stream(),
   (f, t) -> {
    Type existing = mapping.put((TypeVariableSymbol) f.asElement(), t);
    if (existing != null && !types.isSameType(t, existing)) {
     throw new AssertionError(
       String.format("%s instantiated as both %s and %s", f.asElement(), t, existing));
    }
   });
 return ImmutableMap.copyOf(mapping);
}

代码示例来源：origin: google/error-prone

@Override
 public boolean matches(T t, VisitorState state) {
  Type type = getType(t);
  return type != null && state.getTypes().isSameType(type, state.getSymtab().voidType);
 }
};

代码示例来源：origin: google/error-prone

static boolean equivalentExprs(Unifier unifier, JCExpression expr1, JCExpression expr2) {
 return expr1.type != null
   && expr2.type != null
   && Types.instance(unifier.getContext()).isSameType(expr2.type, expr1.type)
   && expr2.toString().equals(expr1.toString());
}

代码示例来源：origin: google/error-prone

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

代码示例来源：origin: google/error-prone

/** Return true if the given type is 'void' or 'Void'. */
public static boolean isVoidType(Type type, VisitorState state) {
 if (type == null) {
  return false;
 }
 return type.getKind() == TypeKind.VOID
   || state.getTypes().isSameType(Suppliers.JAVA_LANG_VOID_TYPE.get(state), type);
}

代码示例来源：origin: google/error-prone

private Multimap<Type, VariableTree> partitionParametersByType(
   List<VariableTree> parameters, VisitorState state) {

  Types types = state.getTypes();
  Multimap<Type, VariableTree> multimap = LinkedListMultimap.create();

  variables:
  for (VariableTree node : parameters) {
   // Normalize Integer => int
   Type type = types.unboxedTypeOrType(ASTHelpers.getType(node));
   for (Type existingType : multimap.keySet()) {
    if (types.isSameType(existingType, type)) {
     multimap.put(existingType, node);
     continue variables;
    }
   }

   // A new type for the map.
   multimap.put(type, node);
  }

  return multimap;
 }
}

代码示例来源：origin: google/error-prone

private boolean isIgnoredReturnType(JCMethodDecl method, VisitorState state) {
 Type returnType = method.sym.getReturnType();
 // Methods returning a primitive cannot return null.  Also ignore Void-returning methods as
 // the only valid Void value is null, so it's implied.
 // TODO(kmb): Technically we should assume NULL when we see a call to a method that returns Void
 return returnType.isPrimitiveOrVoid()
   || state.getTypes().isSameType(returnType, state.getTypeFromString("java.lang.Void"));
}

代码示例来源：origin: google/error-prone

@Override
 public Description matchMethodInvocation(MethodInvocationTree tree, VisitorState state) {
  if (!MATCHER.matches(tree, state)) {
   return NO_MATCH;
  }
  List<? extends ExpressionTree> arguments = tree.getArguments();
  Symtab syms = state.getSymtab();
  Types types = state.getTypes();
  if (types.isSameType(types.unboxedTypeOrType(getType(arguments.get(0))), syms.intType)
    && types.isSameType(types.unboxedTypeOrType(getType(arguments.get(1))), syms.charType)) {
   return describeMatch(
     tree,
     SuggestedFix.builder()
       .replace(arguments.get(0), state.getSourceForNode(arguments.get(1)))
       .replace(arguments.get(1), state.getSourceForNode(arguments.get(0)))
       .build());
  }
  return NO_MATCH;
 }
}

代码示例来源：origin: google/error-prone

@Override
 public Description matchMethodInvocation(MethodInvocationTree tree, VisitorState state) {
  if (!MATCHER.matches(tree, state)) {
   return NO_MATCH;
  }
  List<? extends ExpressionTree> arguments = tree.getArguments();
  Symtab syms = state.getSymtab();
  Types types = state.getTypes();
  if (types.isSameType(types.unboxedTypeOrType(getType(arguments.get(1))), syms.intType)
    && types.isSameType(types.unboxedTypeOrType(getType(arguments.get(0))), syms.charType)) {
   return describeMatch(
     tree,
     SuggestedFix.builder()
       .replace(arguments.get(0), state.getSourceForNode(arguments.get(1)))
       .replace(arguments.get(1), state.getSourceForNode(arguments.get(0)))
       .build());
  }
  return NO_MATCH;
 }
}

代码示例来源：origin: google/error-prone

private boolean isStringConcat(Tree tree, VisitorState state) {
 return (tree.getKind() == Kind.PLUS || tree.getKind() == Kind.PLUS_ASSIGNMENT)
   && state.getTypes().isSameType(ASTHelpers.getType(tree), state.getSymtab().stringType);
}

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: google/error-prone

/**
 * Return true if this parameter is assignable to the target parameter. This will consider
 * subclassing, autoboxing and null.
 */
boolean isAssignableTo(Parameter target, VisitorState state) {
 if (state.getTypes().isSameType(type(), Type.noType)
   || state.getTypes().isSameType(target.type(), Type.noType)) {
  return false;
 }
 try {
  return state.getTypes().isAssignable(type(), target.type());
 } catch (CompletionFailure e) {
  // Report completion errors to avoid e.g. https://github.com/bazelbuild/bazel/issues/4105
  Check.instance(state.context)
    .completionError((DiagnosticPosition) state.getPath().getLeaf(), e);
  return false;
 }
}

代码示例来源：origin: google/error-prone

@Override
 public boolean apply(MethodSymbol methodSymbol) {
  return !methodSymbol.isStatic()
    && ((methodSymbol.flags() & Flags.SYNTHETIC) == 0)
    && ((methodSymbol.flags() & Flags.ABSTRACT) == 0)
    && methodSymbol.getParameters().size() == 1
    && types.isSameType(
      methodSymbol.getParameters().get(0).type, state.getSymtab().objectType);
 }
};

代码示例来源：origin: google/error-prone

/** Gets a human-friendly name for the given {@link Symbol} to use in diagnostics. */
public String getPrettyName(Symbol sym) {
 if (!sym.getSimpleName().isEmpty()) {
  return sym.getSimpleName().toString();
 }
 if (sym.getKind() == ElementKind.ENUM) {
  // anonymous classes for enum constants are identified by the enclosing constant
  // declaration
  return sym.owner.getSimpleName().toString();
 }
 // anonymous classes have an empty name, but a recognizable superclass or interface
 // e.g. refer to `new Runnable() { ... }` as "Runnable"
 Type superType = state.getTypes().supertype(sym.type);
 if (state.getTypes().isSameType(superType, state.getSymtab().objectType)) {
  superType = Iterables.getFirst(state.getTypes().interfaces(sym.type), superType);
 }
 return superType.tsym.getSimpleName().toString();
}