This commit was manufactured by cvs2svn to create tag 'buildscript'.

[IRC.git] / Robust / src / IR / Tree / ParseNode.java

diff --git a/Robust/src/IR/Tree/ParseNode.java b/Robust/src/IR/Tree/ParseNode.java
deleted file mode 100644 (file)
index cc50097..0000000
--- a/Robust/src/IR/Tree/ParseNode.java
+++ /dev/null
@@ -1,234 +0,0 @@
-/*
-
-   Class: ParseNode
-   Author: Dan Roy
-   Purpose: ParseNode is used to represent a parse production
-
- */
-
-package IR.Tree;
-
-import java.util.*;
-
-public class ParseNode implements Walkable {
-
-  private String label;
-  private ParseNode parent;
-  private ParseNodeVector children;
-  private int line;
-  private Object literal;
-
-  //private SymbolTable st;
-
-  public ParseNode(String label) {
-    this.label = label;
-    this.line = -1;
-    this.parent = null;
-    this.literal=null;
-    children = new ParseNodeVector();
-  }
-
-  public ParseNode (String label, int line) {
-    this.label = label;
-    this.line = line;
-    this.parent = null;
-    this.literal=null;
-    children = new ParseNodeVector();
-  }
-
-  public void setLabel(String label) {
-    this.label = label;
-  }
-
-  public String getLabel() {
-    return label;
-  }
-
-  public void setLiteral(Object o) {
-    literal=o;
-  }
-
-  public Object getLiteral() {
-    return literal;
-  }
-
-  /*
-     public void setSymbolTable(SymbolTable st) {
-      if (st == null) {
-          throw new IRException("symboltable is null!");
-      }
-      this.st = st;
-     }
-
-     public SymbolTable getSymbolTable() {
-      if (st == null) {
-          if (parent != null) {
-              return parent.getSymbolTable();
-          } else {
-              return null;
-          }
-      } else {
-          return st;
-      }
-     }
-   */
-
-  public int getLine() {
-    if (line >= 0) {
-      return line;
-    } else {
-      if (parent != null) {
-       return parent.getLine();
-      } else {
-       return 0;
-      }
-    }
-  }
-
-  public void setParent(ParseNode parent) {
-    this.parent = parent;
-  }
-
-  public ParseNode getParent() {
-    return parent;
-  }
-
-  public ParseNode insertChild(ParseNode child) {
-    if (child == null) {
-      throw new NullPointerException("Can't add null node to parse tree");
-    }
-
-    children.insertElementAt(child, 0);
-    child.setParent(this);
-    return child;
-  }
-
-  public ParseNode insertChild(String newlabel) {
-    ParseNode child = new ParseNode(newlabel, -1);
-    return insertChild(child);
-  }
-
-  public ParseNode addChild(ParseNode child) {
-
-    if (child == null) {
-      throw new NullPointerException("Can't add null node to parse tree: "+getLabel());
-    }
-
-    children.addElement(child);
-    child.setParent(this);
-    return child;
-  }
-
-  public ParseNode addChild(String newlabel) {
-
-    ParseNode child = new ParseNode(newlabel, -1);
-    children.addElement(child);
-    child.setParent(this);
-    return child;
-  }
-
-  public ParseNode addChild(String newlabel, int line) {
-    ParseNode child = new ParseNode(newlabel, line);
-    children.addElement(child);
-    child.setParent(this);
-    return child;
-  }
-
-  public ParseNodeVector getChildren() {
-    return children;
-  }
-
-  public ParseNode getChild(String label) {
-    int i;
-    ParseNode p;
-
-    for (i = 0; i < children.size(); i++) {
-      p = children.elementAt(i);
-      if (p.getLabel().equals(label)) {
-       return p;
-      }
-    }
-
-    return null;
-  }
-
-  public ParseNode getRoot() {
-    return (parent == null) ? this : parent.getRoot();
-  }
-
-  public String getTerminal() {
-    ParseNode pn = children.elementAt(0);
-    if (pn == null) {
-      return null;
-    } else {
-      return pn.getLabel();
-    }
-  }
-
-  public ParseNode getFirstChild() {
-    return children.elementAt(0);
-  }
-
-  public ParseNodeVector getChildren(String label) {
-    int i;
-    ParseNodeVector v = new ParseNodeVector();
-
-    for (i = 0; i < children.size(); i++) {
-      ParseNode pn = children.elementAt(i);
-      if (pn.getLabel().equals(label))
-       v.addElement(pn);
-    }
-
-    return v;
-  }
-
-  public String getNodeName() {
-    return label + " - " + getLine();
-  }
-
-  public int getNeighborCount() {
-    return children.size();
-  }
-
-  public Object getNeighbor(int index) {
-    return children.elementAt(index);
-  }
-
-  public String doIndent(int indent) {
-
-    String output = new String();
-    for(int i=0; i<indent; i++) output += " ";
-    return output;
-  }
-
-  public String PPrint(int indent, boolean recursive) {
-
-    String output = new String();
-
-    if (children.size()==0) {
-      output += doIndent(indent) + "<" + label + "/>\n";
-    } else {
-      output += doIndent(indent) + "<" + label + ">\n";
-      indent += 2;
-
-      if (recursive) {
-       for (int i = 0; i < children.size(); i++) {
-         Walkable w = (Walkable)children.elementAt(i);
-         output += w.PPrint(indent, true);
-       }
-      } else {
-       for (int i = 0; i < children.size(); i++) {
-         Walkable w = (Walkable)children.elementAt(i);
-         output += doIndent(indent) + "<" + w.getNodeName() + "/>\n";
-       }
-      }
-
-      indent -= 2;
-      output += doIndent(indent) + "</" + label + ">\n";
-    }
-
-    return output;
-  }
-
-}
-