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

Types.elemtype介绍

[英]The element type of an array.
[中]数组的元素类型。

代码示例

代码示例来源：origin: google/error-prone

@Nullable
@Override
public Type visitNewArray(NewArrayTree node, Void aVoid) {
 if (node.getDimensions().contains(current)) {
  return state.getSymtab().intType;
 }
 if (node.getInitializers().contains(current)) {
  return state.getTypes().elemtype(ASTHelpers.getType(node));
 }
 return null;
}

代码示例来源：origin: google/error-prone

/**
  * Given an {@link ExpressionTree} that represents an argument of array type, rewrites it to wrap
  * it in a call to either {@link java.util.Arrays#hashCode} if it is single dimensional, or {@link
  * java.util.Arrays#deepHashCode} if it is multidimensional.
  */
 private static String rewriteArrayArgument(ExpressionTree arg, VisitorState state) {
  Types types = state.getTypes();
  Type argType = ASTHelpers.getType(arg);
  Preconditions.checkState(types.isArray(argType), "arg must be of array type");
  if (types.isArray(types.elemtype(argType))) {
   return "Arrays.deepHashCode(" + state.getSourceForNode(arg) + ")";
  } else {
   return "Arrays.hashCode(" + state.getSourceForNode(arg) + ")";
  }
 }
}

代码示例来源：origin: google/error-prone

@Override
 public boolean matches(Tree t, VisitorState state) {
  Type type = getType(t);
  return type != null
    && state.getTypes().isArray(type)
    && state.getTypes().elemtype(type).isPrimitive();
 }
};

代码示例来源：origin: google/error-prone

@Nullable
private Type visitMethodInvocationOrNewClass(
  List<? extends ExpressionTree> arguments, MethodSymbol sym, Type type) {
 int idx = arguments.indexOf(current);
 if (idx == -1) {
  return null;
 }
 if (type.getParameterTypes().size() <= idx) {
  if (!sym.isVarArgs()) {
   if ((sym.flags() & Flags.HYPOTHETICAL) != 0) {
    // HYPOTHETICAL is also used for signature-polymorphic methods
    return null;
   }
   throw new IllegalStateException(
     String.format(
       "saw %d formal parameters and %d actual parameters on non-varargs method %s\n",
       type.getParameterTypes().size(), arguments.size(), sym));
  }
  idx = type.getParameterTypes().size() - 1;
 }
 Type argType = type.getParameterTypes().get(idx);
 if (sym.isVarArgs() && idx == type.getParameterTypes().size() - 1) {
  argType = state.getTypes().elemtype(argType);
 }
 return argType;
}

代码示例来源：origin: google/error-prone

@Override
 public Description matchMethodInvocation(
   MethodInvocationTree methodInvocationTree, VisitorState visitorState) {
  if (!TO_ARRAY_MATCHER.matches(methodInvocationTree, visitorState)) {
   return NO_MATCH;
  }
  Types types = visitorState.getTypes();
  Type variableType =
    types.elemtype(getType(getOnlyElement(methodInvocationTree.getArguments())));
  if (variableType == null) {
   return NO_MATCH;
  }

  Type collectionType =
    types.asSuper(
      ASTHelpers.getReceiverType(methodInvocationTree),
      visitorState.getSymbolFromString("java.util.Collection"));
  List<Type> typeArguments = collectionType.getTypeArguments();

  if (!typeArguments.isEmpty()
    && !types.isCastable(
      types.erasure(variableType), types.erasure(getOnlyElement(typeArguments)))) {
   return describeMatch(methodInvocationTree);
  }
  return NO_MATCH;
 }
}

代码示例来源：origin: google/error-prone

String qualified =
  SuggestedFixes.qualifyType(
    state, fix, types.elemtype(getLast(sym.getParameters()).asType()));
Tree toFix = !trueIsArray ? cond.getTrueExpression() : cond.getFalseExpression();
fix.prefixWith(toFix, String.format("new %s[] {", qualified)).postfixWith(toFix, "}");

代码示例来源：origin: google/error-prone

state.getTypes().elemtype(ASTHelpers.getType(invocationTree.getArguments().get(0)));
Tree fillingArgument = Iterables.getLast(invocationTree.getArguments());
Type fillingObjectType = ASTHelpers.getType(fillingArgument);

代码示例来源：origin: google/error-prone

|| !types.elemtype(varargsArgumentType).isPrimitive()) {
return false;

代码示例来源：origin: google/error-prone

Type elemType = types.elemtype(ASTHelpers.getType(arg));
if (elemType.isPrimitive() || types.isArray(elemType)) {
 fix = SuggestedFix.builder().replace(tree, rewriteArrayArgument(arg, state));

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

/**
 * The number of dimensions of an array type.
 */
public int dimensions(Type t) {
  int result = 0;
  while (t.tag == ARRAY) {
    result++;
    t = elemtype(t);
  }
  return result;
}
// </editor-fold>

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

@Override
public Void visitArrayType(ArrayType source, Type target) throws AdaptFailure {
  if (target.hasTag(ARRAY))
    adaptRecursive(elemtype(source), elemtype(target));
  return null;
}

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

/** Is type a type variable, or a (possibly multi-dimensional) array of
 *  type variables?
 */
boolean isTypeVar(Type t) {
  return t.tag == TYPEVAR || t.tag == ARRAY && isTypeVar(types.elemtype(t));
}

代码示例来源：origin: sc.fiji/javac

boolean isAccessible(Env<AttrContext> env, Type t) {
  return (t.tag == ARRAY)
    ? isAccessible(env, types.elemtype(t))
    : isAccessible(env, t.tsym);
}

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

/** Translate away the foreach loop.  */
public void visitForeachLoop(JCEnhancedForLoop tree) {
  if (types.elemtype(tree.expr.type) == null)
    visitIterableForeachLoop(tree);
  else
    visitArrayForeachLoop(tree);
}
  // where

代码示例来源：origin: sc.fiji/javac

@Override
public Boolean visitArrayType(ArrayType t, Type s) {
  if (t == s)
    return true;
  if (s.tag >= firstPartialTag)
    return visit(s, t);
  return s.tag == ARRAY
    && containsTypeEquivalent(t.elemtype, elemtype(s));
}

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

@Override
public Boolean visitArrayType(ArrayType t, Type s) {
  if (t == s)
    return true;
  if (s.isPartial())
    return visit(s, t);
  return s.hasTag(ARRAY)
    && containsTypeEquivalent(t.elemtype, elemtype(s));
}

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

@Override
public Type visitNewArray(NewArrayTree node, Void aVoid) {
 if (node.getDimensions().contains(current)) {
  return state.getSymtab().intType;
 }
 if (node.getInitializers().contains(current)) {
  return state.getTypes().elemtype(ASTHelpers.getType(node));
 }
 return null;
}

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

public void visitForeachLoop(JCEnhancedForLoop tree) {
  tree.var = translate(tree.var, null);
  Type iterableType = tree.expr.type;
  tree.expr = translate(tree.expr, erasure(tree.expr.type));
  if (types.elemtype(tree.expr.type) == null)
    tree.expr.type = iterableType; // preserve type for Lower
  tree.body = translate(tree.body);
  result = tree;
}

代码示例来源：origin: sc.fiji/javac

public void visitIndexed(JCArrayAccess tree) {
  tree.indexed = translate(tree.indexed, erasure(tree.indexed.type));
  tree.index = translate(tree.index, syms.intType);
  // Insert casts of indexed expressions as needed.
  result = retype(tree, types.elemtype(tree.indexed.type), pt);
}

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

@Override
 public boolean matches(Tree t, VisitorState state) {
  Type type = getType(t);
  return type != null
    && state.getTypes().isArray(type)
    && state.getTypes().elemtype(type).isPrimitive();
 }
};