org.mozilla.javascript.Node类的使用及代码示例

x33g5p2x  于2022-01-25 转载在 JavaScript  
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本文整理了Java中org.mozilla.javascript.Node类的一些代码示例，展示了Node类的具体用法。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类的具体详情如下：
包路径：org.mozilla.javascript.Node
类名称：Node

Node介绍

[英]This class implements the root of the intermediate representation.
[中]此类实现了中间表示的根。

代码示例

代码示例来源：origin: konsoletyper/teavm

  1. private void handle(AstNode block) {
  2.     Node child = block.getFirstChild();
  3.     while (child != null) {
  4.       Node next = child.getNext();
  5.       if (child instanceof ExpressionStatement) {
  6.         ExpressionStatement statement = (ExpressionStatement) child;
  7.         if (statement.getExpression() instanceof StringLiteral) {
  8.           block.removeChild(child);
  9.         }
  10.       }
  11.       child = next;
  12.     }
  13.   }
  14. }

代码示例来源：origin: rhino/js

  1. private static Node addBeforeCurrent(Node parent, Node previous,
  2.                    Node current, Node toAdd)
  3. {
  4.   if (previous == null) {
  5.     if (!(current == parent.getFirstChild())) Kit.codeBug();
  6.     parent.addChildToFront(toAdd);
  7.   } else {
  8.     if (!(current == previous.getNext())) Kit.codeBug();
  9.     parent.addChildAfter(toAdd, previous);
  10.   }
  11.   return toAdd;
  12. }

代码示例来源：origin: rhino/js

  1. Node createUseLocal(Node localBlock)
  2. {
  3.   if (Token.LOCAL_BLOCK != localBlock.getType()) throw Kit.codeBug();
  4.   Node result = new Node(Token.LOCAL_LOAD);
  5.   result.putProp(Node.LOCAL_BLOCK_PROP, localBlock);
  6.   return result;
  7. }

代码示例来源：origin: rhino/js

  1. private int getLocalBlockRef(Node node)
  2. {
  3.   Node localBlock = (Node)node.getProp(Node.LOCAL_BLOCK_PROP);
  4.   return localBlock.getExistingIntProp(Node.LOCAL_PROP);
  5. }

代码示例来源：origin: geogebra/geogebra

  1. private Node createWith(Node obj, Node body, int lineno) {
  2.   setRequiresActivation();
  3.   Node result = new Node(Token.BLOCK, lineno);
  4.   result.addChildToBack(new Node(Token.ENTERWITH, obj));
  5.   Node bodyNode = new Node(Token.WITH, body, lineno);
  6.   result.addChildrenToBack(bodyNode);
  7.   result.addChildToBack(new Node(Token.LEAVEWITH));
  8.   return result;
  9. }

代码示例来源：origin: ro.isdc.wro4j/rhino

  1. private Node transformScript(ScriptNode node) {
  2.   decompiler.addToken(Token.SCRIPT);
  3.   if (currentScope != null) Kit.codeBug();
  4.   currentScope = node;
  5.   Node body = new Node(Token.BLOCK);
  6.   for (Node kid : node) {
  7.     body.addChildToBack(transform((AstNode)kid));
  8.   }
  9.   node.removeChildren();
  10.   Node children = body.getFirstChild();
  11.   if (children != null) {
  12.     node.addChildrenToBack(children);
  13.   }
  14.   return node;
  15. }

代码示例来源：origin: rhino/js

  1. private static void buildStatementList_r(Node node, ObjArray statements)
  2. {
  3.   int type = node.getType();
  4.   if (type == Token.BLOCK
  5.     || type == Token.LOCAL_BLOCK
  6.     || type == Token.LOOP
  7.     || type == Token.FUNCTION)
  8.   {
  9.     Node child = node.getFirstChild();
  10.     while (child != null) {
  11.       buildStatementList_r(child, statements);
  12.       child = child.getNext();
  13.     }
  14.   } else {
  15.     statements.add(node);
  16.   }
  17. }

代码示例来源：origin: rhino/js

  1. private Node createName(int type, String name, Node child)
  2. {
  3.   Node result = createName(name);
  4.   result.setType(type);
  5.   if (child != null)
  6.     result.addChildToBack(child);
  7.   return result;
  8. }

代码示例来源：origin: rhino/js

  1. private boolean getterSetterProperty(ObjArray elems, Object property,
  2.                      boolean isGetter) throws IOException {
  3.     Node f = function(FunctionNode.FUNCTION_EXPRESSION);
  4.     if (f.getType() != Token.FUNCTION) {
  5.       reportError("msg.bad.prop");
  6.       return false;
  7.     }
  8.     int fnIndex = f.getExistingIntProp(Node.FUNCTION_PROP);
  9.     FunctionNode fn = currentScriptOrFn.getFunctionNode(fnIndex);
  10.     if (fn.getFunctionName().length() != 0) {
  11.       reportError("msg.bad.prop");
  12.       return false;
  13.     }
  14.     elems.add(property);
  15.     if (isGetter) {
  16.       elems.add(nf.createUnary(Token.GET, f));
  17.     } else {
  18.       elems.add(nf.createUnary(Token.SET, f));
  19.     }
  20.     return true;
  21.   }
  22. }

代码示例来源：origin: geogebra/geogebra

  1. private void visitSetConst(Node node, Node child)
  2. {
  3.   String name = node.getFirstChild().getString();
  4.   while (child != null) {
  5.     generateExpression(child, node);
  6.     child = child.getNext();
  7.   }
  8.   cfw.addALoad(contextLocal);
  9.   cfw.addPush(name);
  10.   addScriptRuntimeInvoke(
  11.     "setConst",
  12.     "(Lorg/mozilla/javascript/Scriptable;"
  13.     +"Ljava/lang/Object;"
  14.     +"Lorg/mozilla/javascript/Context;"
  15.     +"Ljava/lang/String;"
  16.     +")Ljava/lang/Object;");
  17. }

代码示例来源：origin: rhino/js

  1. private static boolean isArithmeticNode(Node node)
  2. {
  3.   int type = node.getType();
  4.   return (type == Token.SUB)
  5.        || (type == Token.MOD)
  6.           || (type == Token.DIV)
  7.              || (type == Token.MUL);
  8. }

代码示例来源：origin: rhino/js

  1. private static Node replaceCurrent(Node parent, Node previous,
  2.                   Node current, Node replacement)
  3. {
  4.   if (previous == null) {
  5.     if (!(current == parent.getFirstChild())) Kit.codeBug();
  6.     parent.replaceChild(current, replacement);
  7.   } else if (previous.next == current) {
  8.     // Check cachedPrev.next == current is necessary due to possible
  9.     // tree mutations
  10.     parent.replaceChildAfter(previous, replacement);
  11.   } else {
  12.     parent.replaceChild(current, replacement);
  13.   }
  14.   return replacement;
  15. }

代码示例来源：origin: wala/WALA

  1. private static boolean isPrimitiveCreation(WalkContext context, NewExpression n) {
  2.   Node target = getNewTarget(n);
  3.  return isPrologueScript(context) && n.getType() == Token.NEW && target.getType() == Token.NAME
  4.    && target.getString().equals("Primitives");
  5. }

代码示例来源：origin: rhino/js

  1. private boolean convertParameter(Node n)
  2. {
  3.   if (inDirectCallFunction && n.getType() == Token.GETVAR) {
  4.     int varIndex = theFunction.getVarIndex(n);
  5.     if (theFunction.isParameter(varIndex)) {
  6.       n.removeProp(Node.ISNUMBER_PROP);
  7.       return true;
  8.     }
  9.   }
  10.   return false;
  11. }

代码示例来源：origin: geogebra/geogebra

  1. /**
  2.  * Sets the JsDoc comment string attached to this node.
  3.  */
  4. public void setJsDocNode(Comment jsdocNode) {
  5.   putProp(JSDOC_PROP, jsdocNode);
  6. }

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

  1. private Node expr(boolean inForInit)
  2.   throws IOException, ParserException
  3. {
  4.   Node pn = assignExpr(inForInit);
  5.   while (matchToken(Token.COMMA)) {
  6.     decompiler.addToken(Token.COMMA);
  7.     if (compilerEnv.isStrictMode() && !pn.hasSideEffects())
  8.       addStrictWarning("msg.no.side.effects", "");
  9.     pn = nf.createBinary(Token.COMMA, pn, assignExpr(inForInit));
  10.   }
  11.   return pn;
  12. }

代码示例来源：origin: rhino/js

  1. /**
  2.  * Leaf
  3.  */
  4. Node createLeaf(int nodeType)
  5. {
  6.   return new Node(nodeType);
  7. }

代码示例来源：origin: org.teavm/teavm-jso-impl

  1. private static AstNode isSingleStatement(AstNode ast) {
  2.   if (ast.getFirstChild() == null || ast.getFirstChild().getNext() != null) {
  3.     return null;
  4.   }
  5.   if (ast.getFirstChild().getType() == Token.BLOCK) {
  6.     return isSingleStatement((AstNode) ast.getFirstChild());
  7.   }
  8.   return (AstNode) ast.getFirstChild();
  9. }

代码示例来源：origin: rhino/js

  1. /**
  2.  * Regular expressions
  3.  */
  4. Node createRegExp(int regexpIndex)
  5. {
  6.   Node n = new Node(Token.REGEXP);
  7.   n.putIntProp(Node.REGEXP_PROP, regexpIndex);
  8.   return n;
  9. }

代码示例来源：origin: rhino/js

  1. Node createPropertyGet(Node target, String namespace, String name,
  2.             int memberTypeFlags)
  3. {
  4.   if (namespace == null && memberTypeFlags == 0) {
  5.     if (target == null) {
  6.       return createName(name);
  7.     }
  8.     checkActivationName(name, Token.GETPROP);
  9.     if (ScriptRuntime.isSpecialProperty(name)) {
  10.       Node ref = new Node(Token.REF_SPECIAL, target);
  11.       ref.putProp(Node.NAME_PROP, name);
  12.       return new Node(Token.GET_REF, ref);
  13.     }
  14.     return new Node(Token.GETPROP, target, createString(name));
  15.   }
  16.   Node elem = createString(name);
  17.   memberTypeFlags |= Node.PROPERTY_FLAG;
  18.   return createMemberRefGet(target, namespace, elem, memberTypeFlags);
  19. }

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