本文整理汇总了Java中jdk.nashorn.internal.ir.BinaryNode.isSelfModifying方法的典型用法代码示例。如果您正苦于以下问题:Java BinaryNode.isSelfModifying方法的具体用法?Java BinaryNode.isSelfModifying怎么用?Java BinaryNode.isSelfModifying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.BinaryNode
的用法示例。
在下文中一共展示了BinaryNode.isSelfModifying方法的3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: enterBinaryNode
import jdk.nashorn.internal.ir.BinaryNode; //导入方法依赖的package包/类
@Override
public boolean enterBinaryNode(final BinaryNode binaryNode) {
if(binaryNode.isAssignment()) {
final Expression lhs = binaryNode.lhs();
if(!binaryNode.isSelfModifying()) {
tagNeverOptimistic(lhs);
}
if(lhs instanceof IdentNode) {
final Symbol symbol = ((IdentNode)lhs).getSymbol();
// Assignment to internal symbols is never optimistic, except for self-assignment expressions
if(symbol.isInternal() && !binaryNode.rhs().isSelfModifying()) {
tagNeverOptimistic(binaryNode.rhs());
}
}
} else if(binaryNode.isTokenType(TokenType.INSTANCEOF)) {
tagNeverOptimistic(binaryNode.lhs());
tagNeverOptimistic(binaryNode.rhs());
}
return true;
}
示例2: enterBinaryNode
import jdk.nashorn.internal.ir.BinaryNode; //导入方法依赖的package包/类
@Override
public boolean enterBinaryNode(final BinaryNode binaryNode) {
if(binaryNode.isAssignment()) {
final Expression lhs = binaryNode.lhs();
if(!binaryNode.isSelfModifying()) {
tagNeverOptimistic(lhs);
}
if(lhs instanceof IdentNode) {
final Symbol symbol = ((IdentNode)lhs).getSymbol();
// Assignment to internal symbols is never optimistic, except for self-assignment expressions
if(symbol.isInternal() && !binaryNode.rhs().isSelfModifying()) {
tagNeverOptimistic(binaryNode.rhs());
}
}
} else if(binaryNode.isTokenType(TokenType.INSTANCEOF)
|| binaryNode.isTokenType(TokenType.EQ_STRICT)
|| binaryNode.isTokenType(TokenType.NE_STRICT)) {
tagNeverOptimistic(binaryNode.lhs());
tagNeverOptimistic(binaryNode.rhs());
}
return true;
}
示例3: enterBinaryNode
import jdk.nashorn.internal.ir.BinaryNode; //导入方法依赖的package包/类
@Override
public boolean enterBinaryNode(final BinaryNode binaryNode) {
// NOTE: regardless of operator's lexical associativity, lhs is always evaluated first.
final Expression lhs = binaryNode.lhs();
final LvarType lhsType;
if (!(lhs instanceof IdentNode && binaryNode.isTokenType(TokenType.ASSIGN))) {
lhsType = visitExpression(lhs);
} else {
// Can't visit IdentNode on LHS of a simple assignment, as visits imply use, and this is def.
// The type is irrelevant, as only RHS is used to determine the type anyway.
lhsType = LvarType.UNDEFINED;
}
final boolean isLogical = binaryNode.isLogical();
final Label joinLabel = isLogical ? new Label("") : null;
if(isLogical) {
jumpToLabel((JoinPredecessor)lhs, joinLabel);
}
final Expression rhs = binaryNode.rhs();
final LvarType rhsType = visitExpression(rhs);
if(isLogical) {
jumpToLabel((JoinPredecessor)rhs, joinLabel);
}
joinOnLabel(joinLabel);
final LvarType type = toLvarType(binaryNode.setOperands(lhsType.typeExpression, rhsType.typeExpression).getType());
if(binaryNode.isAssignment() && lhs instanceof IdentNode) {
if(binaryNode.isSelfModifying()) {
onSelfAssignment((IdentNode)lhs, type);
} else {
onAssignment((IdentNode)lhs, type);
}
}
typeStack.push(type);
return false;
}