本文整理汇总了Java中jdk.nashorn.internal.ir.Block.setIsTerminal方法的典型用法代码示例。如果您正苦于以下问题：Java Block.setIsTerminal方法的具体用法？Java Block.setIsTerminal怎么用？Java Block.setIsTerminal使用的例子？那么, 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.Block的用法示例。
在下文中一共展示了Block.setIsTerminal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: Lower
import jdk.nashorn.internal.ir.Block; //导入方法依赖的package包/类
/**
* Constructor.
*/
Lower(final Compiler compiler) {
super(new BlockLexicalContext() {
@Override
public List<Statement> popStatements() {
final List<Statement> newStatements = new ArrayList<>();
boolean terminated = false;
final List<Statement> statements = super.popStatements();
for (final Statement statement : statements) {
if (!terminated) {
newStatements.add(statement);
if (statement.isTerminal() || statement instanceof BreakNode || statement instanceof ContinueNode) { //TODO hasGoto? But some Loops are hasGoto too - why?
terminated = true;
}
} else {
statement.accept(new NodeVisitor<LexicalContext>(new LexicalContext()) {
@Override
public boolean enterVarNode(final VarNode varNode) {
newStatements.add(varNode.setInit(null));
return false;
}
});
}
}
return newStatements;
}
@Override
protected Block afterSetStatements(final Block block) {
final List<Statement> stmts = block.getStatements();
for(final ListIterator<Statement> li = stmts.listIterator(stmts.size()); li.hasPrevious();) {
final Statement stmt = li.previous();
// popStatements() guarantees that the only thing after a terminal statement are uninitialized
// VarNodes. We skip past those, and set the terminal state of the block to the value of the
// terminal state of the first statement that is not an uninitialized VarNode.
if(!(stmt instanceof VarNode && ((VarNode)stmt).getInit() == null)) {
return block.setIsTerminal(this, stmt.isTerminal());
}
}
return block.setIsTerminal(this, false);
}
});
this.log = initLogger(compiler.getContext());
}
示例2: Lower
import jdk.nashorn.internal.ir.Block; //导入方法依赖的package包/类
/**
* Constructor.
*/
Lower(final Compiler compiler) {
super(new BlockLexicalContext() {
@Override
public List<Statement> popStatements() {
final List<Statement> newStatements = new ArrayList<>();
boolean terminated = false;
final List<Statement> statements = super.popStatements();
for (final Statement statement : statements) {
if (!terminated) {
newStatements.add(statement);
if (statement.isTerminal() || statement instanceof JumpStatement) { //TODO hasGoto? But some Loops are hasGoto too - why?
terminated = true;
}
} else {
FoldConstants.extractVarNodesFromDeadCode(statement, newStatements);
}
}
return newStatements;
}
@Override
protected Block afterSetStatements(final Block block) {
final List<Statement> stmts = block.getStatements();
for(final ListIterator<Statement> li = stmts.listIterator(stmts.size()); li.hasPrevious();) {
final Statement stmt = li.previous();
// popStatements() guarantees that the only thing after a terminal statement are uninitialized
// VarNodes. We skip past those, and set the terminal state of the block to the value of the
// terminal state of the first statement that is not an uninitialized VarNode.
if(!(stmt instanceof VarNode && ((VarNode)stmt).getInit() == null)) {
return block.setIsTerminal(this, stmt.isTerminal());
}
}
return block.setIsTerminal(this, false);
}
});
this.log = initLogger(compiler.getContext());
this.es6 = compiler.getScriptEnvironment()._es6;
this.source = compiler.getSource();
}