本文整理汇总了Java中jdk.nashorn.internal.ir.UnaryNode.getExpression方法的典型用法代码示例。如果您正苦于以下问题:Java UnaryNode.getExpression方法的具体用法?Java UnaryNode.getExpression怎么用?Java UnaryNode.getExpression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jdk.nashorn.internal.ir.UnaryNode
的用法示例。
在下文中一共展示了UnaryNode.getExpression方法的10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: leaveTYPEOF
import jdk.nashorn.internal.ir.UnaryNode; //导入方法依赖的package包/类
private Node leaveTYPEOF(final UnaryNode unaryNode) {
final Expression rhs = unaryNode.getExpression();
final List<Expression> args = new ArrayList<>();
if (rhs instanceof IdentNode && !isParamOrVar((IdentNode)rhs)) {
args.add(compilerConstantIdentifier(SCOPE));
args.add((Expression)LiteralNode.newInstance(rhs, ((IdentNode)rhs).getName()).accept(this)); //null
} else {
args.add(rhs);
args.add((Expression)LiteralNode.newInstance(unaryNode).accept(this)); //null, do not reuse token of identifier rhs, it can be e.g. 'this'
}
final Node runtimeNode = new RuntimeNode(unaryNode, Request.TYPEOF, args).accept(this);
end(unaryNode);
return runtimeNode;
}
示例2: branchOptimizer
import jdk.nashorn.internal.ir.UnaryNode; //导入方法依赖的package包/类
private void branchOptimizer(final UnaryNode unaryNode, final Label label, final boolean state) {
final Expression rhs = unaryNode.getExpression();
switch (unaryNode.tokenType()) {
case NOT:
branchOptimizer(rhs, label, !state);
return;
default:
if (unaryNode.getType().isBoolean()) {
branchOptimizer(rhs, label, state);
return;
}
break;
}
loadTestAndJump(unaryNode, label, state);
}
示例3: loadNOT
import jdk.nashorn.internal.ir.UnaryNode; //导入方法依赖的package包/类
private void loadNOT(final UnaryNode unaryNode) {
final Expression expr = unaryNode.getExpression();
if(expr instanceof UnaryNode && expr.isTokenType(TokenType.NOT)) {
// !!x is idiomatic boolean cast in JavaScript
loadExpressionAsBoolean(((UnaryNode)expr).getExpression());
} else {
final Label trueLabel = new Label("true");
final Label afterLabel = new Label("after");
emitBranch(expr, trueLabel, true);
method.load(true);
method._goto(afterLabel);
method.label(trueLabel);
method.load(false);
method.label(afterLabel);
}
}
示例4: leaveTYPEOF
import jdk.nashorn.internal.ir.UnaryNode; //导入方法依赖的package包/类
private Node leaveTYPEOF(final UnaryNode unaryNode) {
final Expression rhs = unaryNode.getExpression();
final List<Expression> args = new ArrayList<>();
if (rhs instanceof IdentNode && !isParamOrVar((IdentNode)rhs)) {
args.add(compilerConstantIdentifier(SCOPE));
args.add(LiteralNode.newInstance(rhs, ((IdentNode)rhs).getName())); //null
} else {
args.add(rhs);
args.add(LiteralNode.newInstance(unaryNode)); //null, do not reuse token of identifier rhs, it can be e.g. 'this'
}
final Node runtimeNode = new RuntimeNode(unaryNode, Request.TYPEOF, args);
end(unaryNode);
return runtimeNode;
}
示例5: leaveUnaryNode
import jdk.nashorn.internal.ir.UnaryNode; //导入方法依赖的package包/类
@Override
public Node leaveUnaryNode(final UnaryNode unaryNode) {
if (unaryNode.isAssignment() && unaryNode.getExpression() instanceof IdentNode) {
checkConstAssignment((IdentNode) unaryNode.getExpression());
}
switch (unaryNode.tokenType()) {
case DELETE:
return leaveDELETE(unaryNode);
case TYPEOF:
return leaveTYPEOF(unaryNode);
default:
return super.leaveUnaryNode(unaryNode);
}
}
示例6: enterUnaryNode
import jdk.nashorn.internal.ir.UnaryNode; //导入方法依赖的package包/类
@Override
public boolean enterUnaryNode(final UnaryNode unaryNode) {
final Expression expr = unaryNode.getExpression();
expr.accept(this);
if(unaryNode.isSelfModifying()) {
if(expr instanceof IdentNode) {
final IdentNode ident = (IdentNode)expr;
onSelfAssignment(ident, unaryNode, getLocalVariableTypeIfBytecode(ident.getSymbol()));
}
}
return false;
}
示例7: loadNEW
import jdk.nashorn.internal.ir.UnaryNode; //导入方法依赖的package包/类
private void loadNEW(final UnaryNode unaryNode) {
final CallNode callNode = (CallNode)unaryNode.getExpression();
final List<Expression> args = callNode.getArgs();
// Load function reference.
loadExpressionAsObject(callNode.getFunction()); // must detect type error
method.dynamicNew(1 + loadArgs(args), getCallSiteFlags());
}
示例8: enterUnaryNode
import jdk.nashorn.internal.ir.UnaryNode; //导入方法依赖的package包/类
@Override
public boolean enterUnaryNode(final UnaryNode unaryNode) {
final Expression expr = unaryNode.getExpression();
final LvarType unaryType = toLvarType(unaryNode.setExpression(visitExpression(expr).typeExpression).getType());
if(unaryNode.isSelfModifying() && expr instanceof IdentNode) {
onSelfAssignment((IdentNode)expr, unaryType);
}
typeStack.push(unaryType);
return false;
}
示例9: loadNEW
import jdk.nashorn.internal.ir.UnaryNode; //导入方法依赖的package包/类
private void loadNEW(final UnaryNode unaryNode) {
final CallNode callNode = (CallNode)unaryNode.getExpression();
final List<Expression> args = callNode.getArgs();
final Expression func = callNode.getFunction();
// Load function reference.
loadExpressionAsObject(func); // must detect type error
method.dynamicNew(1 + loadArgs(args), getCallSiteFlags(), func.toString(false));
}
示例10: enterUnaryNode
import jdk.nashorn.internal.ir.UnaryNode; //导入方法依赖的package包/类
@Override
public boolean enterUnaryNode(final UnaryNode unaryNode) {
enterDefault(unaryNode);
final TokenType tokenType = unaryNode.tokenType();
if (tokenType == TokenType.NEW) {
type("NewExpression");
comma();
final CallNode callNode = (CallNode)unaryNode.getExpression();
property("callee");
callNode.getFunction().accept(this);
comma();
array("arguments", callNode.getArgs());
} else {
final String operator;
final boolean prefix;
switch (tokenType) {
case INCPOSTFIX:
prefix = false;
operator = "++";
break;
case DECPOSTFIX:
prefix = false;
operator = "--";
break;
case INCPREFIX:
operator = "++";
prefix = true;
break;
case DECPREFIX:
operator = "--";
prefix = true;
break;
default:
prefix = true;
operator = tokenType.getName();
break;
}
type(unaryNode.isAssignment()? "UpdateExpression" : "UnaryExpression");
comma();
property("operator", operator);
comma();
property("prefix", prefix);
comma();
property("argument");
unaryNode.getExpression().accept(this);
}
return leave();
}