本文整理汇总了Java中jdk.nashorn.internal.ir.Statement.accept方法的典型用法代码示例。如果您正苦于以下问题：Java Statement.accept方法的具体用法？Java Statement.accept怎么用？Java Statement.accept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.Statement的用法示例。
在下文中一共展示了Statement.accept方法的4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: markEvalInArrowParameterList
import jdk.nashorn.internal.ir.Statement; //导入方法依赖的package包/类
private void markEvalInArrowParameterList(final ParserContextBlockNode parameterBlock) {
final Iterator<ParserContextFunctionNode> iter = lc.getFunctions();
final ParserContextFunctionNode current = iter.next();
final ParserContextFunctionNode parent = iter.next();
if (parent.getFlag(FunctionNode.HAS_EVAL) != 0) {
// we might have flagged has-eval in the parent function during parsing the parameter list,
// if the parameter list contains eval; must tag arrow function as has-eval.
for (final Statement st : parameterBlock.getStatements()) {
st.accept(new NodeVisitor<LexicalContext>(new LexicalContext()) {
@Override
public boolean enterCallNode(final CallNode callNode) {
if (callNode.getFunction() instanceof IdentNode && ((IdentNode) callNode.getFunction()).getName().equals("eval")) {
current.setFlag(FunctionNode.HAS_EVAL);
}
return true;
}
});
}
// TODO: function containing the arrow function should not be flagged has-eval
}
}
示例2: enterBlock
import jdk.nashorn.internal.ir.Statement; //导入方法依赖的package包/类
@Override
public boolean enterBlock(final Block block) {
sb.append(' ');
sb.append('{');
indent += TABWIDTH;
final List<Statement> statements = block.getStatements();
for (final Statement statement : statements) {
if (printLineNumbers) {
final int lineNumber = statement.getLineNumber();
sb.append('\n');
if (lineNumber != lastLineNumber) {
indent();
sb.append("[|").append(lineNumber).append("|];").append('\n');
}
lastLineNumber = lineNumber;
}
indent();
statement.accept(this);
int lastIndex = sb.length() - 1;
char lastChar = sb.charAt(lastIndex);
while (Character.isWhitespace(lastChar) && lastIndex >= 0) {
lastChar = sb.charAt(--lastIndex);
}
if (lastChar != '}' && lastChar != ';') {
sb.append(';');
}
if (statement.hasGoto()) {
sb.append(" [GOTO]");
}
if (statement.isTerminal()) {
sb.append(" [TERMINAL]");
}
}
indent -= TABWIDTH;
sb.append(EOLN);
indent();
sb.append('}');
printLocalVariableConversion(block);
return false;
}
示例3: Lower
import jdk.nashorn.internal.ir.Statement; //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4: Lower
import jdk.nashorn.internal.ir.Statement; //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 {
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());
}