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

[IRC.git] / Robust / src / IR / SymbolTable.java

diff --git a/Robust/src/IR/SymbolTable.java b/Robust/src/IR/SymbolTable.java
deleted file mode 100644 (file)
index ed1d133..0000000
--- a/Robust/src/IR/SymbolTable.java
+++ /dev/null
@@ -1,125 +0,0 @@
-package IR;
-
-import java.util.*;
-
-public class SymbolTable {
-
-  private Hashtable table;
-  private SymbolTable parent;
-  private HashSet valueset;
-
-  public SymbolTable() {
-    table = new Hashtable();
-    valueset = new HashSet();
-    this.parent = null;
-  }
-
-  public SymbolTable(SymbolTable parent) {
-    table = new Hashtable();
-    this.parent = parent;
-  }
-
-  public void add(Descriptor d) {
-    add(d.getSymbol(), d);
-  }
-
-  public void add(String name, Descriptor d) {
-    if (!table.containsKey(name))
-      table.put(name, new HashSet());
-    HashSet hs=(HashSet)table.get(name);
-    hs.add(d);
-    valueset.add(d);
-  }
-
-  public Set getSet(String name) {
-    return getPSet(name);
-  }
-
-  private HashSet getPSet(String name) {
-    HashSet hs=null;
-    if (parent!=null)
-      hs=parent.getPSet(name);
-    else
-      hs=new HashSet();
-    if (table.containsKey(name)) {
-      hs.addAll((HashSet)table.get(name));
-    }
-    return hs;
-  }
-
-  public Set getSetFromSameScope(String name) {
-    return getPSetFromSameScope(name);
-  }
-
-  private HashSet getPSetFromSameScope(String name) {
-    if (table.containsKey(name)) {
-      HashSet hs=(HashSet)table.get(name);
-      return hs;
-    } else
-      return new HashSet();
-  }
-
-  public Descriptor get(String name) {
-    Descriptor d = getFromSameScope(name);
-    if (d == null && parent != null) {
-      return parent.get(name);
-    } else {
-      return d;
-    }
-  }
-
-  public Descriptor getFromSameScope(String name) {
-    if (table.containsKey(name)) {
-      HashSet hs=(HashSet) table.get(name);
-      return (Descriptor) hs.iterator().next();
-    } else
-      return null;
-
-  }
-
-  public Enumeration getNames() {
-    return table.keys();
-  }
-
-  public Iterator getNamesIterator() {
-    return table.keySet().iterator();
-  }
-
-  public Set getValueSet() {
-    return valueset;
-  }
-
-  public Iterator getDescriptorsIterator() {
-    return getValueSet().iterator();
-  }
-
-  public Set getAllValueSet() {
-    HashSet hs=null;
-    if (parent!=null)
-      hs=(HashSet) parent.getAllValueSet();
-    else
-      hs=new HashSet();
-    hs.addAll(valueset);
-    return hs;
-  }
-
-  public Iterator getAllDescriptorsIterator() {
-    return getAllValueSet().iterator();
-  }
-
-  public boolean contains(String name) {
-    return (get(name) != null);
-  }
-
-  public SymbolTable getParent() {
-    return parent;
-  }
-
-  public void setParent(SymbolTable parent) {
-    this.parent = parent;
-  }
-
-  public String toString() {
-    return "ST: " + table.toString();
-  }
-}