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 2c8bd2c..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();               
-    }
-}