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/* ____ ____ ____ ____ ______ *\
** / __// __ \/ __// __ \/ ____/ SOcos COmpiles Scala **
** __\_ \/ /_/ / /__/ /_/ /\_ \ (c) 2002, LAMP/EPFL **
** /_____/\____/\___/\____/____/ **
\* */
// $Id$
package meta.scalac.ast;
public class MetaLazyTreeCopier extends AbstractTreeMethodExpander {
//########################################################################
// Public Methods
public void printTreeMethod(TreeNode node) {
printTreeMethodHeader(node, tree.t_Tree + " tree");
writer.lbrace();
writer.println(node.name + " t = (" + node.name + ")tree;");
if (node.fields.length > 0) {
writer.print("if (").indent();
for (int i = 0; i < node.fields.length; i++) {
if (i > 0) writer.println(" &&");
String name = node.fields[i].name;
writer.print("t." + name + " == " + name);
}
writer.println(")");
writer.println("return t;").undent();
writer.print("t = copier." + node.name + "(");
node.printArgs(writer, "tree").println(");");
writer.println("t.type = tree.type;");
if (node.hasSymbol())writer.println("t.setSymbol(tree.symbol());");
}
writer.println("return t;");
writer.rbrace();
}
//########################################################################
}
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