Sha256: daee337e43027913ea89848b76df34844f110ec6edf29cf4879d585d1f84ab61
Contents?: true
Size: 859 Bytes
Versions: 135
Compression:
Stored size: 859 Bytes
Contents
/**
* Copyright 2005-2007 Xue Yong Zhi
* Distributed under the BSD License
*/
package com.xruby.compiler.parser;
import java.util.*;
public class SymbolTableManager {
private Stack<SymbolTable> stStack = new Stack<SymbolTable>();
public SymbolTableManager() {
enterScope();
}
public SymbolTableManager(List<String> preDefinedVar) {
enterScope();
for (String s : preDefinedVar) {
addVariable(s);
}
}
public void enterScope() {
stStack.add(new SymbolTable());
}
public void enterBlockScope() {
stStack.add(new SymbolTableForBlock(stStack.peek()));
}
public void leaveScope() {
stStack.pop();
}
public boolean isDefinedInCurrentScope(String s) {
return stStack.peek().findVariable(s);
}
public void addVariable(String s) {
stStack.peek().addVariable(s);
}
}
Version data entries
135 entries across 135 versions & 2 rubygems