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-rw-r--r--src/net/java/games/gluegen/cgram/CSymbolTable.java132
1 files changed, 0 insertions, 132 deletions
diff --git a/src/net/java/games/gluegen/cgram/CSymbolTable.java b/src/net/java/games/gluegen/cgram/CSymbolTable.java
deleted file mode 100644
index e22274b90..000000000
--- a/src/net/java/games/gluegen/cgram/CSymbolTable.java
+++ /dev/null
@@ -1,132 +0,0 @@
-package net.java.games.gluegen.cgram;
-
-import java.util.Vector;
-import java.util.Hashtable;
-import java.util.Enumeration;
-
-
-
-public class CSymbolTable {
-
- /** holds list of scopes */
- private Vector scopeStack;
-
- /** table where all defined names are mapped to TNode tree nodes */
- private Hashtable symTable;
-
- public CSymbolTable() {
- scopeStack = new Vector(10);
- symTable = new Hashtable(533);
- }
-
-
- /** push a new scope onto the scope stack.
- */
- public void pushScope(String s) {
- //System.out.println("push scope:" + s);
- scopeStack.addElement(s);
- }
-
- /** pop the last scope off the scope stack.
- */
- public void popScope() {
- //System.out.println("pop scope");
- int size = scopeStack.size();
- if(size > 0)
- scopeStack.removeElementAt(size - 1);
- }
-
- /** return the current scope as a string
- */
- public String currentScopeAsString() {
- StringBuffer buf = new StringBuffer(100);
- boolean first = true;
- Enumeration e = scopeStack.elements();
- while(e.hasMoreElements()) {
- if(first)
- first = false;
- else
- buf.append("::");
- buf.append(e.nextElement().toString());
- }
- return buf.toString();
- }
-
- /** given a name for a type, append it with the
- current scope.
- */
- public String addCurrentScopeToName(String name) {
- String currScope = currentScopeAsString();
- return addScopeToName(currScope, name);
- }
-
- /** given a name for a type, append it with the
- given scope. MBZ
- */
- public String addScopeToName(String scope, String name) {
- if(scope == null || scope.length() > 0)
- return scope + "::" + name;
- else
- return name;
- }
-
- /** remove one level of scope from name MBZ*/
- public String removeOneLevelScope(String scopeName) {
- int index = scopeName.lastIndexOf("::");
- if (index > 0) {
- return scopeName.substring(0,index);
- }
- if (scopeName.length() > 0) {
- return "";
- }
- return null;
- }
-
- /** add a node to the table with it's key as
- the current scope and the name */
- public TNode add(String name, TNode node) {
- return (TNode)symTable.put(addCurrentScopeToName(name),node);
- }
-
-
- /** lookup a fully scoped name in the symbol table */
- public TNode lookupScopedName(String scopedName) {
- return (TNode)symTable.get(scopedName);
- }
-
- /** lookup an unscoped name in the table by prepending
- the current scope.
- MBZ -- if not found, pop scopes and look again
- */
- public TNode lookupNameInCurrentScope(String name) {
- String scope = currentScopeAsString();
- String scopedName;
- TNode tnode = null;
-
- //System.out.println( "\n"+ this.toString() );
-
- while (tnode == null && scope != null) {
- scopedName = addScopeToName(scope, name);
- //System.out.println("lookup trying " + scopedName);
- tnode = (TNode)symTable.get(scopedName);
- scope = removeOneLevelScope(scope);
- }
- return tnode;
- }
-
- /** convert this table to a string */
- public String toString() {
- StringBuffer buff = new StringBuffer(300);
- buff.append("CSymbolTable { \nCurrentScope: " + currentScopeAsString() +
- "\nDefinedSymbols:\n");
- Enumeration ke = symTable.keys();
- Enumeration ve = symTable.elements();
- while(ke.hasMoreElements()) {
- buff.append(ke.nextElement().toString() + " (" +
- TNode.getNameForType(((TNode)ve.nextElement()).getType()) + ")\n");
- }
- buff.append("}\n");
- return buff.toString();
- }
-
-};