org.mozilla.javascript.Node.newTarget()方法的使用及代码示例

x33g5p2x  于2022-01-25 转载在 JavaScript  
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本文整理了Java中org.mozilla.javascript.Node.newTarget()方法的一些代码示例，展示了Node.newTarget()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Node.newTarget()方法的具体详情如下：
包路径：org.mozilla.javascript.Node
类名称：Node
方法名：newTarget

Node.newTarget介绍

暂无

代码示例

代码示例来源：origin: rhino/js

  1. /**
  2.  * Label
  3.  */
  4. Node createLabeledStatement(Node labelArg, Node statement)
  5. {
  6.   Node.Jump label = (Node.Jump)labelArg;
  7.   // Make a target and put it _after_ the statement
  8.   // node.  And in the LABEL node, so breaks get the
  9.   // right target.
  10.   Node breakTarget = Node.newTarget();
  11.   Node block = new Node(Token.BLOCK, label, statement, breakTarget);
  12.   label.target = breakTarget;
  13.   return block;
  14. }

代码示例来源：origin: com.sun.phobos/phobos-rhino

  1. /**
  2.  * Label
  3.  */
  4. Node createLabeledStatement(Node labelArg, Node statement)
  5. {
  6.   Node.Jump label = (Node.Jump)labelArg;
  7.   // Make a target and put it _after_ the statement
  8.   // node.  And in the LABEL node, so breaks get the
  9.   // right target.
  10.   Node breakTarget = Node.newTarget();
  11.   Node block = new Node(Token.BLOCK, label, statement, breakTarget);
  12.   label.target = breakTarget;
  13.   return block;
  14. }

代码示例来源：origin: io.apigee/rhino

  1. private Node createIf(Node cond, Node ifTrue, Node ifFalse, int lineno)
  2. {
  3.   int condStatus = isAlwaysDefinedBoolean(cond);
  4.   if (condStatus == ALWAYS_TRUE_BOOLEAN) {
  5.     return ifTrue;
  6.   } else if (condStatus == ALWAYS_FALSE_BOOLEAN) {
  7.     if (ifFalse != null) {
  8.       return ifFalse;
  9.     }
  10.     // Replace if (false) xxx by empty block
  11.     return new Node(Token.BLOCK, lineno);
  12.   }
  13.   Node result = new Node(Token.BLOCK, lineno);
  14.   Node ifNotTarget = Node.newTarget();
  15.   Jump IFNE = new Jump(Token.IFNE, cond);
  16.   IFNE.target = ifNotTarget;
  17.   result.addChildToBack(IFNE);
  18.   result.addChildrenToBack(ifTrue);
  19.   if (ifFalse != null) {
  20.     Node endTarget = Node.newTarget();
  21.     result.addChildToBack(makeJump(Token.GOTO, endTarget));
  22.     result.addChildToBack(ifNotTarget);
  23.     result.addChildrenToBack(ifFalse);
  24.     result.addChildToBack(endTarget);
  25.   } else {
  26.     result.addChildToBack(ifNotTarget);
  27.   }
  28.   return result;
  29. }

代码示例来源：origin: geogebra/geogebra

  1. private Node createIf(Node cond, Node ifTrue, Node ifFalse, int lineno)
  2. {
  3.   int condStatus = isAlwaysDefinedBoolean(cond);
  4.   if (condStatus == ALWAYS_TRUE_BOOLEAN) {
  5.     return ifTrue;
  6.   } else if (condStatus == ALWAYS_FALSE_BOOLEAN) {
  7.     if (ifFalse != null) {
  8.       return ifFalse;
  9.     }
  10.     // Replace if (false) xxx by empty block
  11.     return new Node(Token.BLOCK, lineno);
  12.   }
  13.   Node result = new Node(Token.BLOCK, lineno);
  14.   Node ifNotTarget = Node.newTarget();
  15.   Jump IFNE = new Jump(Token.IFNE, cond);
  16.   IFNE.target = ifNotTarget;
  17.   result.addChildToBack(IFNE);
  18.   result.addChildrenToBack(ifTrue);
  19.   if (ifFalse != null) {
  20.     Node endTarget = Node.newTarget();
  21.     result.addChildToBack(makeJump(Token.GOTO, endTarget));
  22.     result.addChildToBack(ifNotTarget);
  23.     result.addChildrenToBack(ifFalse);
  24.     result.addChildToBack(endTarget);
  25.   } else {
  26.     result.addChildToBack(ifNotTarget);
  27.   }
  28.   return result;
  29. }

代码示例来源：origin: ro.isdc.wro4j/rhino

  1. private Node createIf(Node cond, Node ifTrue, Node ifFalse, int lineno)
  2. {
  3.   int condStatus = isAlwaysDefinedBoolean(cond);
  4.   if (condStatus == ALWAYS_TRUE_BOOLEAN) {
  5.     return ifTrue;
  6.   } else if (condStatus == ALWAYS_FALSE_BOOLEAN) {
  7.     if (ifFalse != null) {
  8.       return ifFalse;
  9.     }
  10.     // Replace if (false) xxx by empty block
  11.     return new Node(Token.BLOCK, lineno);
  12.   }
  13.   Node result = new Node(Token.BLOCK, lineno);
  14.   Node ifNotTarget = Node.newTarget();
  15.   Jump IFNE = new Jump(Token.IFNE, cond);
  16.   IFNE.target = ifNotTarget;
  17.   result.addChildToBack(IFNE);
  18.   result.addChildrenToBack(ifTrue);
  19.   if (ifFalse != null) {
  20.     Node endTarget = Node.newTarget();
  21.     result.addChildToBack(makeJump(Token.GOTO, endTarget));
  22.     result.addChildToBack(ifNotTarget);
  23.     result.addChildrenToBack(ifFalse);
  24.     result.addChildToBack(endTarget);
  25.   } else {
  26.     result.addChildToBack(ifNotTarget);
  27.   }
  28.   return result;
  29. }

代码示例来源：origin: rhino/js

  1. Node ifNotTarget = Node.newTarget();
  2. Node.Jump IFNE = new Node.Jump(Token.IFNE, cond);
  3. IFNE.target = ifNotTarget;
  4.   Node endTarget = Node.newTarget();
  5.   result.addChildToBack(makeJump(Token.GOTO, endTarget));
  6.   result.addChildToBack(ifNotTarget);

代码示例来源：origin: com.sun.phobos/phobos-rhino

  1. void closeSwitch(Node switchBlock)
  2. {
  3.   if (switchBlock.getType() != Token.BLOCK) throw Kit.codeBug();
  4.   Node.Jump switchNode = (Node.Jump)switchBlock.getFirstChild();
  5.   if (switchNode.getType() != Token.SWITCH) throw Kit.codeBug();
  6.   Node switchBreakTarget = Node.newTarget();
  7.   // switchNode.target is only used by NodeTransformer
  8.   // to detect switch end
  9.   switchNode.target = switchBreakTarget;
  10.   Node defaultTarget = switchNode.getDefault();
  11.   if (defaultTarget == null) {
  12.     defaultTarget = switchBreakTarget;
  13.   }
  14.   switchBlock.addChildAfter(makeJump(Token.GOTO, defaultTarget),
  15.                switchNode);
  16.   switchBlock.addChildToBack(switchBreakTarget);
  17. }

代码示例来源：origin: rhino/js

  1. void closeSwitch(Node switchBlock)
  2. {
  3.   if (switchBlock.getType() != Token.BLOCK) throw Kit.codeBug();
  4.   Node.Jump switchNode = (Node.Jump)switchBlock.getFirstChild();
  5.   if (switchNode.getType() != Token.SWITCH) throw Kit.codeBug();
  6.   Node switchBreakTarget = Node.newTarget();
  7.   // switchNode.target is only used by NodeTransformer
  8.   // to detect switch end
  9.   switchNode.target = switchBreakTarget;
  10.   Node defaultTarget = switchNode.getDefault();
  11.   if (defaultTarget == null) {
  12.     defaultTarget = switchBreakTarget;
  13.   }
  14.   switchBlock.addChildAfter(makeJump(Token.GOTO, defaultTarget),
  15.                switchNode);
  16.   switchBlock.addChildToBack(switchBreakTarget);
  17. }

代码示例来源：origin: ro.isdc.wro4j/rhino

  1. private void closeSwitch(Node switchBlock)
  2. {
  3.   if (switchBlock.getType() != Token.BLOCK) throw Kit.codeBug();
  4.   Jump switchNode = (Jump)switchBlock.getFirstChild();
  5.   if (switchNode.getType() != Token.SWITCH) throw Kit.codeBug();
  6.   Node switchBreakTarget = Node.newTarget();
  7.   // switchNode.target is only used by NodeTransformer
  8.   // to detect switch end
  9.   switchNode.target = switchBreakTarget;
  10.   Node defaultTarget = switchNode.getDefault();
  11.   if (defaultTarget == null) {
  12.     defaultTarget = switchBreakTarget;
  13.   }
  14.   switchBlock.addChildAfter(makeJump(Token.GOTO, defaultTarget),
  15.                switchNode);
  16.   switchBlock.addChildToBack(switchBreakTarget);
  17. }

代码示例来源：origin: geogebra/geogebra

  1. private Node transformLabeledStatement(LabeledStatement ls) {
  2.   Label label = ls.getFirstLabel();
  3.   List<Label> labels = ls.getLabels();
  4.   decompiler.addName(label.getName());
  5.   if (labels.size() > 1) {
  6.     // more than one label
  7.     for (Label lb : labels.subList(1, labels.size())) {
  8.       decompiler.addEOL(Token.COLON);
  9.       decompiler.addName(lb.getName());
  10.     }
  11.   }
  12.   if (ls.getStatement().getType() == Token.BLOCK) {
  13.     // reuse OBJECTLIT for ':' workaround, cf. transformObjectLiteral()
  14.     decompiler.addToken(Token.OBJECTLIT);
  15.     decompiler.addEOL(Token.LC);
  16.   } else {
  17.     decompiler.addEOL(Token.COLON);
  18.   }
  19.   Node statement = transform(ls.getStatement());
  20.   if (ls.getStatement().getType() == Token.BLOCK) {
  21.     decompiler.addEOL(Token.RC);
  22.   }
  23.   // Make a target and put it _after_ the statement node.  Add in the
  24.   // LABEL node, so breaks get the right target.
  25.   Node breakTarget = Node.newTarget();
  26.   Node block = new Node(Token.BLOCK, label, statement, breakTarget);
  27.   label.target = breakTarget;
  28.   return block;
  29. }

代码示例来源：origin: geogebra/geogebra

  1. private void closeSwitch(Node switchBlock)
  2. {
  3.   if (switchBlock.getType() != Token.BLOCK) throw Kit.codeBug();
  4.   Jump switchNode = (Jump)switchBlock.getFirstChild();
  5.   if (switchNode.getType() != Token.SWITCH) throw Kit.codeBug();
  6.   Node switchBreakTarget = Node.newTarget();
  7.   // switchNode.target is only used by NodeTransformer
  8.   // to detect switch end
  9.   switchNode.target = switchBreakTarget;
  10.   Node defaultTarget = switchNode.getDefault();
  11.   if (defaultTarget == null) {
  12.     defaultTarget = switchBreakTarget;
  13.   }
  14.   switchBlock.addChildAfter(makeJump(Token.GOTO, defaultTarget),
  15.                switchNode);
  16.   switchBlock.addChildToBack(switchBreakTarget);
  17. }

代码示例来源：origin: io.apigee/rhino

  1. private void closeSwitch(Node switchBlock)
  2. {
  3.   if (switchBlock.getType() != Token.BLOCK) throw Kit.codeBug();
  4.   Jump switchNode = (Jump)switchBlock.getFirstChild();
  5.   if (switchNode.getType() != Token.SWITCH) throw Kit.codeBug();
  6.   Node switchBreakTarget = Node.newTarget();
  7.   // switchNode.target is only used by NodeTransformer
  8.   // to detect switch end
  9.   switchNode.target = switchBreakTarget;
  10.   Node defaultTarget = switchNode.getDefault();
  11.   if (defaultTarget == null) {
  12.     defaultTarget = switchBreakTarget;
  13.   }
  14.   switchBlock.addChildAfter(makeJump(Token.GOTO, defaultTarget),
  15.                switchNode);
  16.   switchBlock.addChildToBack(switchBreakTarget);
  17. }

代码示例来源：origin: com.github.tntim96/rhino

  1. private void closeSwitch(Node switchBlock)
  2. {
  3.   if (switchBlock.getType() != Token.BLOCK) throw Kit.codeBug();
  4.   Jump switchNode = (Jump)switchBlock.getFirstChild();
  5.   if (switchNode.getType() != Token.SWITCH) throw Kit.codeBug();
  6.   Node switchBreakTarget = Node.newTarget();
  7.   // switchNode.target is only used by NodeTransformer
  8.   // to detect switch end
  9.   switchNode.target = switchBreakTarget;
  10.   Node defaultTarget = switchNode.getDefault();
  11.   if (defaultTarget == null) {
  12.     defaultTarget = switchBreakTarget;
  13.   }
  14.   switchBlock.addChildAfter(makeJump(Token.GOTO, defaultTarget),
  15.                switchNode);
  16.   switchBlock.addChildToBack(switchBreakTarget);
  17. }

代码示例来源：origin: rhino/js

  1. /**
  2.  * If caseExpression argument is null it indicate default label.
  3.  */
  4. void addSwitchCase(Node switchBlock, Node caseExpression, Node statements)
  5. {
  6.   if (switchBlock.getType() != Token.BLOCK) throw Kit.codeBug();
  7.   Node.Jump switchNode = (Node.Jump)switchBlock.getFirstChild();
  8.   if (switchNode.getType() != Token.SWITCH) throw Kit.codeBug();
  9.   Node gotoTarget = Node.newTarget();
  10.   if (caseExpression != null) {
  11.     Node.Jump caseNode = new Node.Jump(Token.CASE, caseExpression);
  12.     caseNode.target = gotoTarget;
  13.     switchNode.addChildToBack(caseNode);
  14.   } else {
  15.     switchNode.setDefault(gotoTarget);
  16.   }
  17.   switchBlock.addChildToBack(gotoTarget);
  18.   switchBlock.addChildToBack(statements);
  19. }

代码示例来源：origin: io.apigee/rhino

  1. private Node transformLabeledStatement(LabeledStatement ls) {
  2.   Label label = ls.getFirstLabel();
  3.   List<Label> labels = ls.getLabels();
  4.   decompiler.addName(label.getName());
  5.   if (labels.size() > 1) {
  6.     // more than one label
  7.     for (Label lb : labels.subList(1, labels.size())) {
  8.       decompiler.addEOL(Token.COLON);
  9.       decompiler.addName(lb.getName());
  10.     }
  11.   }
  12.   if (ls.getStatement().getType() == Token.BLOCK) {
  13.     // reuse OBJECTLIT for ':' workaround, cf. transformObjectLiteral()
  14.     decompiler.addToken(Token.OBJECTLIT);
  15.     decompiler.addEOL(Token.LC);
  16.   } else {
  17.     decompiler.addEOL(Token.COLON);
  18.   }
  19.   Node statement = transform(ls.getStatement());
  20.   if (ls.getStatement().getType() == Token.BLOCK) {
  21.     decompiler.addEOL(Token.RC);
  22.   }
  23.   // Make a target and put it _after_ the statement node.  Add in the
  24.   // LABEL node, so breaks get the right target.
  25.   Node breakTarget = Node.newTarget();
  26.   Node block = new Node(Token.BLOCK, label, statement, breakTarget);
  27.   label.target = breakTarget;
  28.   return block;
  29. }

代码示例来源：origin: com.sun.phobos/phobos-rhino

  1. /**
  2.  * If caseExpression argument is null it indicate default label.
  3.  */
  4. void addSwitchCase(Node switchBlock, Node caseExpression, Node statements)
  5. {
  6.   if (switchBlock.getType() != Token.BLOCK) throw Kit.codeBug();
  7.   Node.Jump switchNode = (Node.Jump)switchBlock.getFirstChild();
  8.   if (switchNode.getType() != Token.SWITCH) throw Kit.codeBug();
  9.   Node gotoTarget = Node.newTarget();
  10.   if (caseExpression != null) {
  11.     Node.Jump caseNode = new Node.Jump(Token.CASE, caseExpression);
  12.     caseNode.target = gotoTarget;
  13.     switchNode.addChildToBack(caseNode);
  14.   } else {
  15.     switchNode.setDefault(gotoTarget);
  16.   }
  17.   switchBlock.addChildToBack(gotoTarget);
  18.   switchBlock.addChildToBack(statements);
  19. }

代码示例来源：origin: geogebra/geogebra

  1. /**
  2.  * If caseExpression argument is null it indicates a default label.
  3.  */
  4. private void addSwitchCase(Node switchBlock, Node caseExpression,
  5.               Node statements)
  6. {
  7.   if (switchBlock.getType() != Token.BLOCK) throw Kit.codeBug();
  8.   Jump switchNode = (Jump)switchBlock.getFirstChild();
  9.   if (switchNode.getType() != Token.SWITCH) throw Kit.codeBug();
  10.   Node gotoTarget = Node.newTarget();
  11.   if (caseExpression != null) {
  12.     Jump caseNode = new Jump(Token.CASE, caseExpression);
  13.     caseNode.target = gotoTarget;
  14.     switchNode.addChildToBack(caseNode);
  15.   } else {
  16.     switchNode.setDefault(gotoTarget);
  17.   }
  18.   switchBlock.addChildToBack(gotoTarget);
  19.   switchBlock.addChildToBack(statements);
  20. }

代码示例来源：origin: ro.isdc.wro4j/rhino

  1. /**
  2.  * If caseExpression argument is null it indicates a default label.
  3.  */
  4. private void addSwitchCase(Node switchBlock, Node caseExpression,
  5.               Node statements)
  6. {
  7.   if (switchBlock.getType() != Token.BLOCK) throw Kit.codeBug();
  8.   Jump switchNode = (Jump)switchBlock.getFirstChild();
  9.   if (switchNode.getType() != Token.SWITCH) throw Kit.codeBug();
  10.   Node gotoTarget = Node.newTarget();
  11.   if (caseExpression != null) {
  12.     Jump caseNode = new Jump(Token.CASE, caseExpression);
  13.     caseNode.target = gotoTarget;
  14.     switchNode.addChildToBack(caseNode);
  15.   } else {
  16.     switchNode.setDefault(gotoTarget);
  17.   }
  18.   switchBlock.addChildToBack(gotoTarget);
  19.   switchBlock.addChildToBack(statements);
  20. }

代码示例来源：origin: com.github.tntim96/rhino

  1. /**
  2.  * If caseExpression argument is null it indicates a default label.
  3.  */
  4. private void addSwitchCase(Node switchBlock, Node caseExpression,
  5.               Node statements)
  6. {
  7.   if (switchBlock.getType() != Token.BLOCK) throw Kit.codeBug();
  8.   Jump switchNode = (Jump)switchBlock.getFirstChild();
  9.   if (switchNode.getType() != Token.SWITCH) throw Kit.codeBug();
  10.   Node gotoTarget = Node.newTarget();
  11.   if (caseExpression != null) {
  12.     Jump caseNode = new Jump(Token.CASE, caseExpression);
  13.     caseNode.target = gotoTarget;
  14.     switchNode.addChildToBack(caseNode);
  15.   } else {
  16.     switchNode.setDefault(gotoTarget);
  17.   }
  18.   switchBlock.addChildToBack(gotoTarget);
  19.   switchBlock.addChildToBack(statements);
  20. }

代码示例来源：origin: io.apigee/rhino

  1. /**
  2.  * If caseExpression argument is null it indicates a default label.
  3.  */
  4. private void addSwitchCase(Node switchBlock, Node caseExpression,
  5.               Node statements)
  6. {
  7.   if (switchBlock.getType() != Token.BLOCK) throw Kit.codeBug();
  8.   Jump switchNode = (Jump)switchBlock.getFirstChild();
  9.   if (switchNode.getType() != Token.SWITCH) throw Kit.codeBug();
  10.   Node gotoTarget = Node.newTarget();
  11.   if (caseExpression != null) {
  12.     Jump caseNode = new Jump(Token.CASE, caseExpression);
  13.     caseNode.target = gotoTarget;
  14.     switchNode.addChildToBack(caseNode);
  15.   } else {
  16.     switchNode.setDefault(gotoTarget);
  17.   }
  18.   switchBlock.addChildToBack(gotoTarget);
  19.   switchBlock.addChildToBack(statements);
  20. }

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