本文整理汇总了Java中com.sun.tools.javac.code.Symbol.erasure方法的典型用法代码示例。如果您正苦于以下问题：Java Symbol.erasure方法的具体用法？Java Symbol.erasure怎么用？Java Symbol.erasure使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.sun.tools.javac.code.Symbol的用法示例。
在下文中一共展示了Symbol.erasure方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: makeMetafactoryIndyCall
import com.sun.tools.javac.code.Symbol; //导入方法依赖的package包/类
/**
* Generate an indy method call to the meta factory
*/
private JCExpression makeMetafactoryIndyCall(TranslationContext<?> context,
int refKind, Symbol refSym, List<JCExpression> indy_args) {
JCFunctionalExpression tree = context.tree;
//determine the static bsm args
MethodSymbol samSym = (MethodSymbol) types.findDescriptorSymbol(tree.type.tsym);
List<Object> staticArgs = List.<Object>of(
typeToMethodType(samSym.type),
new Pool.MethodHandle(refKind, refSym, types),
typeToMethodType(tree.getDescriptorType(types)));
//computed indy arg types
ListBuffer<Type> indy_args_types = new ListBuffer<>();
for (JCExpression arg : indy_args) {
indy_args_types.append(arg.type);
}
//finally, compute the type of the indy call
MethodType indyType = new MethodType(indy_args_types.toList(),
tree.type,
List.<Type>nil(),
syms.methodClass);
Name metafactoryName = context.needsAltMetafactory() ?
names.altMetafactory : names.metafactory;
if (context.needsAltMetafactory()) {
ListBuffer<Object> markers = new ListBuffer<>();
for (Type t : tree.targets.tail) {
if (t.tsym != syms.serializableType.tsym) {
markers.append(t.tsym);
}
}
int flags = context.isSerializable() ? FLAG_SERIALIZABLE : 0;
boolean hasMarkers = markers.nonEmpty();
boolean hasBridges = context.bridges.nonEmpty();
if (hasMarkers) {
flags |= FLAG_MARKERS;
}
if (hasBridges) {
flags |= FLAG_BRIDGES;
}
staticArgs = staticArgs.append(flags);
if (hasMarkers) {
staticArgs = staticArgs.append(markers.length());
staticArgs = staticArgs.appendList(markers.toList());
}
if (hasBridges) {
staticArgs = staticArgs.append(context.bridges.length() - 1);
for (Symbol s : context.bridges) {
Type s_erasure = s.erasure(types);
if (!types.isSameType(s_erasure, samSym.erasure(types))) {
staticArgs = staticArgs.append(s.erasure(types));
}
}
}
if (context.isSerializable()) {
int prevPos = make.pos;
try {
make.at(kInfo.clazz);
addDeserializationCase(refKind, refSym, tree.type, samSym,
tree, staticArgs, indyType);
} finally {
make.at(prevPos);
}
}
}
return makeIndyCall(tree, syms.lambdaMetafactory, metafactoryName, staticArgs, indyType, indy_args, samSym.name);
}
示例2: makeMetafactoryIndyCall
import com.sun.tools.javac.code.Symbol; //导入方法依赖的package包/类
/**
* Generate an indy method call to the meta factory
*/
private JCExpression makeMetafactoryIndyCall(TranslationContext<?> context,
int refKind, Symbol refSym, List<JCExpression> indy_args) {
JCFunctionalExpression tree = context.tree;
//determine the static bsm args
MethodSymbol samSym = (MethodSymbol) types.findDescriptorSymbol(tree.type.tsym);
List<Object> staticArgs = List.of(
typeToMethodType(samSym.type),
new Pool.MethodHandle(refKind, refSym, types),
typeToMethodType(tree.getDescriptorType(types)));
//computed indy arg types
ListBuffer<Type> indy_args_types = new ListBuffer<>();
for (JCExpression arg : indy_args) {
indy_args_types.append(arg.type);
}
//finally, compute the type of the indy call
MethodType indyType = new MethodType(indy_args_types.toList(),
tree.type,
List.nil(),
syms.methodClass);
Name metafactoryName = context.needsAltMetafactory() ?
names.altMetafactory : names.metafactory;
if (context.needsAltMetafactory()) {
ListBuffer<Object> markers = new ListBuffer<>();
for (Type t : tree.targets.tail) {
if (t.tsym != syms.serializableType.tsym) {
markers.append(t.tsym);
}
}
int flags = context.isSerializable() ? FLAG_SERIALIZABLE : 0;
boolean hasMarkers = markers.nonEmpty();
boolean hasBridges = context.bridges.nonEmpty();
if (hasMarkers) {
flags |= FLAG_MARKERS;
}
if (hasBridges) {
flags |= FLAG_BRIDGES;
}
staticArgs = staticArgs.append(flags);
if (hasMarkers) {
staticArgs = staticArgs.append(markers.length());
staticArgs = staticArgs.appendList(markers.toList());
}
if (hasBridges) {
staticArgs = staticArgs.append(context.bridges.length() - 1);
for (Symbol s : context.bridges) {
Type s_erasure = s.erasure(types);
if (!types.isSameType(s_erasure, samSym.erasure(types))) {
staticArgs = staticArgs.append(s.erasure(types));
}
}
}
if (context.isSerializable()) {
int prevPos = make.pos;
try {
make.at(kInfo.clazz);
addDeserializationCase(refKind, refSym, tree.type, samSym,
tree, staticArgs, indyType);
} finally {
make.at(prevPos);
}
}
}
return makeIndyCall(tree, syms.lambdaMetafactory, metafactoryName, staticArgs, indyType, indy_args, samSym.name);
}