本文整理汇总了Java中jdk.nashorn.internal.ir.Symbol.isScope方法的典型用法代码示例。如果您正苦于以下问题：Java Symbol.isScope方法的具体用法？Java Symbol.isScope怎么用？Java Symbol.isScope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.Symbol的用法示例。
在下文中一共展示了Symbol.isScope方法的5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: loadASSIGN
import jdk.nashorn.internal.ir.Symbol; //导入方法依赖的package包/类
private void loadASSIGN(final BinaryNode binaryNode) {
final Expression lhs = binaryNode.lhs();
final Expression rhs = binaryNode.rhs();
final Type rhsType = rhs.getType();
// Detect dead assignments
if(lhs instanceof IdentNode) {
final Symbol symbol = ((IdentNode)lhs).getSymbol();
if(!symbol.isScope() && !symbol.hasSlotFor(rhsType) && lc.getCurrentDiscard() == binaryNode) {
loadAndDiscard(rhs);
lc.popDiscard();
method.markDeadLocalVariable(symbol);
return;
}
}
new Store<BinaryNode>(binaryNode, lhs) {
@Override
protected void evaluate() {
// NOTE: we're loading with "at least as wide as" so optimistic operations on the right hand side
// remain optimistic, and then explicitly convert to the required type if needed.
loadExpressionAsType(rhs, rhsType);
}
}.store();
}
示例2: loadASSIGN
import jdk.nashorn.internal.ir.Symbol; //导入方法依赖的package包/类
private void loadASSIGN(final BinaryNode binaryNode) {
final Expression lhs = binaryNode.lhs();
final Expression rhs = binaryNode.rhs();
final Type rhsType = rhs.getType();
// Detect dead assignments
if(lhs instanceof IdentNode) {
final Symbol symbol = ((IdentNode)lhs).getSymbol();
if(!symbol.isScope() && !symbol.hasSlotFor(rhsType) && lc.popDiscardIfCurrent(binaryNode)) {
loadAndDiscard(rhs);
method.markDeadLocalVariable(symbol);
return;
}
}
new Store<BinaryNode>(binaryNode, lhs) {
@Override
protected void evaluate() {
// NOTE: we're loading with "at least as wide as" so optimistic operations on the right hand side
// remain optimistic, and then explicitly convert to the required type if needed.
loadExpressionAsType(rhs, rhsType);
}
}.store();
}
示例3: maybeForceScope
import jdk.nashorn.internal.ir.Symbol; //导入方法依赖的package包/类
/**
* If the symbol isn't already a scope symbol, but it needs to be (see {@link #symbolNeedsToBeScope(Symbol)}, it is
* promoted to a scope symbol and its block marked as needing a scope.
* @param symbol the symbol that might be scoped
*/
private void maybeForceScope(final Symbol symbol) {
if (!symbol.isScope() && symbolNeedsToBeScope(symbol)) {
Symbol.setSymbolIsScope(lc, symbol);
}
}
示例4: getPropertyFlags
import jdk.nashorn.internal.ir.Symbol; //导入方法依赖的package包/类
/**
* Compute property flags given local state of a field. May be overridden and extended,
*
* @param symbol symbol to check
* @param hasArguments does the created object have an "arguments" property
*
* @return flags to use for fields
*/
static int getPropertyFlags(final Symbol symbol, final boolean hasArguments, final boolean evalCode) {
int flags = 0;
if (symbol.isParam()) {
flags |= Property.IS_PARAMETER;
}
if (hasArguments) {
flags |= Property.HAS_ARGUMENTS;
}
// See ECMA 5.1 10.5 Declaration Binding Instantiation.
// Step 2 If code is eval code, then let configurableBindings
// be true else let configurableBindings be false.
// We have to make vars, functions declared in 'eval' code
// configurable. But vars, functions from any other code is
// not configurable.
if (symbol.isScope() && !evalCode) {
flags |= Property.NOT_CONFIGURABLE;
}
if (symbol.isFunctionDeclaration()) {
flags |= Property.IS_FUNCTION_DECLARATION;
}
if (symbol.isConst()) {
flags |= Property.NOT_WRITABLE;
}
if (symbol.isBlockScoped()) {
flags |= Property.IS_LEXICAL_BINDING;
}
// Mark symbol as needing declaration. Access before declaration will throw a ReferenceError.
if (symbol.isBlockScoped() && symbol.isScope()) {
flags |= Property.NEEDS_DECLARATION;
}
return flags;
}
示例5: getPropertyFlags
import jdk.nashorn.internal.ir.Symbol; //导入方法依赖的package包/类
/**
* Compute property flags given local state of a field. May be overridden and extended,
*
* @param symbol symbol to check
* @param hasArguments does the created object have an "arguments" property
*
* @return flags to use for fields
*/
static int getPropertyFlags(final Symbol symbol, final boolean hasArguments, final boolean evalCode, final boolean dualFields) {
int flags = 0;
if (symbol.isParam()) {
flags |= Property.IS_PARAMETER;
}
if (hasArguments) {
flags |= Property.HAS_ARGUMENTS;
}
// See ECMA 5.1 10.5 Declaration Binding Instantiation.
// Step 2 If code is eval code, then let configurableBindings
// be true else let configurableBindings be false.
// We have to make vars, functions declared in 'eval' code
// configurable. But vars, functions from any other code is
// not configurable.
if (symbol.isScope() && !evalCode) {
flags |= Property.NOT_CONFIGURABLE;
}
if (symbol.isFunctionDeclaration()) {
flags |= Property.IS_FUNCTION_DECLARATION;
}
if (symbol.isConst()) {
flags |= Property.NOT_WRITABLE;
}
if (symbol.isBlockScoped()) {
flags |= Property.IS_LEXICAL_BINDING;
}
// Mark symbol as needing declaration. Access before declaration will throw a ReferenceError.
if (symbol.isBlockScoped() && symbol.isScope()) {
flags |= Property.NEEDS_DECLARATION;
}
if (dualFields) {
flags |= Property.DUAL_FIELDS;
}
return flags;
}