本文整理汇总了Java中jdk.nashorn.internal.ir.BreakNode类的典型用法代码示例。如果您正苦于以下问题:Java BreakNode类的具体用法?Java BreakNode怎么用?Java BreakNode使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
BreakNode类属于jdk.nashorn.internal.ir包,在下文中一共展示了BreakNode类的15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: enterBreakNode
import jdk.nashorn.internal.ir.BreakNode; //导入依赖的package包/类
@Override
public boolean enterBreakNode(final BreakNode breakNode) {
enterDefault(breakNode);
type("BreakStatement");
comma();
final String label = breakNode.getLabelName();
if(label != null) {
property("label", label);
} else {
property("label");
nullValue();
}
return leave();
}
示例2: getSplitStateIndex
import jdk.nashorn.internal.ir.BreakNode; //导入依赖的package包/类
int getSplitStateIndex(final JumpStatement jump) {
if (jump instanceof BreakNode && jump.getLabelName() == null) {
// Unlabelled break is a special case
hasBreak = true;
return BREAK_STATE;
}
int i = 0;
for(final JumpStatement exJump: jumpStatements) {
if (jump.getClass() == exJump.getClass() && Objects.equals(jump.getLabelName(), exJump.getLabelName())) {
return i + FIRST_JUMP_STATE;
}
++i;
}
jumpStatements.add(jump);
return i + FIRST_JUMP_STATE;
}
示例3: enterBreakNode
import jdk.nashorn.internal.ir.BreakNode; //导入依赖的package包/类
@Override
public boolean enterBreakNode(final BreakNode breakNode) {
enterDefault(breakNode);
type("BreakStatement");
comma();
final IdentNode label = breakNode.getLabel();
property("label");
if (label != null) {
label.accept(this);
} else {
nullValue();
}
return leave();
}
示例4: enterBreakNode
import jdk.nashorn.internal.ir.BreakNode; //导入依赖的package包/类
@Override
public boolean enterBreakNode(final BreakNode breakNode) {
lineNumber(breakNode);
final BreakableNode breakFrom = lc.getBreakable(breakNode.getLabel());
for (int i = 0; i < lc.getScopeNestingLevelTo(breakFrom); i++) {
closeWith();
}
method.splitAwareGoto(lc, breakFrom.getBreakLabel());
return false;
}
示例5: breakStatement
import jdk.nashorn.internal.ir.BreakNode; //导入依赖的package包/类
/**
* BreakStatement :
* break Identifier? ; // [no LineTerminator here]
*
* See 12.8
*
*/
private void breakStatement() {
// Capture BREAK token.
final int breakLine = line;
final long breakToken = token;
// BREAK tested in caller.
nextOrEOL();
LabelNode labelNode = null;
// SEMICOLON or label.
switch (type) {
case RBRACE:
case SEMICOLON:
case EOL:
case EOF:
break;
default:
final IdentNode ident = getIdent();
labelNode = lc.findLabel(ident.getName());
if (labelNode == null) {
throw error(AbstractParser.message("undefined.label", ident.getName()), ident.getToken());
}
break;
}
//either an explicit label - then get its node or just a "break" - get first breakable
//targetNode is what we are breaking out from.
final String labelName = labelNode == null ? null : labelNode.getLabelName();
final BreakableNode targetNode = lc.getBreakable(labelName);
if (targetNode == null) {
throw error(AbstractParser.message("illegal.break.stmt"), breakToken);
}
endOfLine();
// Construct and add BREAK node.
appendStatement(new BreakNode(breakLine, breakToken, finish, labelName));
}
示例6: enterBreakNode
import jdk.nashorn.internal.ir.BreakNode; //导入依赖的package包/类
@Override
public boolean enterBreakNode(final BreakNode node) {
node.toString(sb, printTypes);
printLocalVariableConversion(node);
return false;
}
示例7: Lower
import jdk.nashorn.internal.ir.BreakNode; //导入依赖的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8: enterBreakNode
import jdk.nashorn.internal.ir.BreakNode; //导入依赖的package包/类
@Override
public boolean enterBreakNode(final BreakNode breakNode) {
addStatement(breakNode);
return false;
}
示例9: leaveBreakNode
import jdk.nashorn.internal.ir.BreakNode; //导入依赖的package包/类
@Override
public Node leaveBreakNode(final BreakNode breakNode) {
return leaveJumpNode(breakNode);
}
示例10: enterBreakNode
import jdk.nashorn.internal.ir.BreakNode; //导入依赖的package包/类
@Override
public boolean enterBreakNode(final BreakNode breakNode) {
return enterJumpStatement(breakNode);
}
示例11: leaveBreakNode
import jdk.nashorn.internal.ir.BreakNode; //导入依赖的package包/类
@Override
public Node leaveBreakNode(final BreakNode breakNode) {
weight += BREAK_WEIGHT;
return breakNode;
}
示例12: enterBreakNode
import jdk.nashorn.internal.ir.BreakNode; //导入依赖的package包/类
@Override
public boolean enterBreakNode(final BreakNode breakNode) {
curStat = new BreakTreeImpl(breakNode);
return false;
}
示例13: BreakTreeImpl
import jdk.nashorn.internal.ir.BreakNode; //导入依赖的package包/类
BreakTreeImpl(final BreakNode node) {
super(node);
this.label = node.getLabelName();
}
示例14: breakStatement
import jdk.nashorn.internal.ir.BreakNode; //导入依赖的package包/类
/**
* BreakStatement :
* break Identifier? ; // [no LineTerminator here]
*
* See 12.8
*
*/
private void breakStatement() {
// Capture BREAK token.
final int breakLine = line;
final long breakToken = token;
// BREAK tested in caller.
nextOrEOL();
ParserContextLabelNode labelNode = null;
// SEMICOLON or label.
switch (type) {
case RBRACE:
case SEMICOLON:
case EOL:
case EOF:
break;
default:
final IdentNode ident = getIdent();
labelNode = lc.findLabel(ident.getName());
if (labelNode == null) {
throw error(AbstractParser.message("undefined.label", ident.getName()), ident.getToken());
}
break;
}
//either an explicit label - then get its node or just a "break" - get first breakable
//targetNode is what we are breaking out from.
final String labelName = labelNode == null ? null : labelNode.getLabelName();
final ParserContextBreakableNode targetNode = lc.getBreakable(labelName);
if( targetNode instanceof ParserContextBlockNode) {
targetNode.setFlag(Block.IS_BREAKABLE);
}
if (targetNode == null) {
throw error(AbstractParser.message("illegal.break.stmt"), breakToken);
}
endOfLine();
// Construct and add BREAK node.
appendStatement(new BreakNode(breakLine, breakToken, finish, labelName));
}
示例15: breakStatement
import jdk.nashorn.internal.ir.BreakNode; //导入依赖的package包/类
/**
* BreakStatement :
* break Identifier? ; // [no LineTerminator here]
*
* See 12.8
*
*/
private void breakStatement() {
// Capture BREAK token.
final int breakLine = line;
final long breakToken = token;
// BREAK tested in caller.
nextOrEOL();
ParserContextLabelNode labelNode = null;
// SEMICOLON or label.
switch (type) {
case RBRACE:
case SEMICOLON:
case EOL:
case EOF:
break;
default:
final IdentNode ident = getIdent();
labelNode = lc.findLabel(ident.getName());
if (labelNode == null) {
throw error(AbstractParser.message("undefined.label", ident.getName()), ident.getToken());
}
break;
}
//either an explicit label - then get its node or just a "break" - get first breakable
//targetNode is what we are breaking out from.
final String labelName = labelNode == null ? null : labelNode.getLabelName();
final ParserContextBreakableNode targetNode = lc.getBreakable(labelName);
if (targetNode == null) {
throw error(AbstractParser.message("illegal.break.stmt"), breakToken);
}
endOfLine();
// Construct and add BREAK node.
appendStatement(new BreakNode(breakLine, breakToken, finish, labelName));
}