private SymbolTable()
{
cur_scope = new SymbolTableScope(null);
// insert reserved words
insertGlobal("__MAIN", RESERVED_WORD);
insertGlobal("and", RESERVED_WORD);
insertGlobal("or", RESERVED_WORD);
insertGlobal("xor", RESERVED_WORD);
insertGlobal("__FILE__", RESERVED_WORD);
insertGlobal("exception", RESERVED_WORD);
insertGlobal("__LINE__", RESERVED_WORD);
insertGlobal("array", RESERVED_WORD);
insertGlobal("as", RESERVED_WORD);
insertGlobal("break", RESERVED_WORD);
insertGlobal("case", RESERVED_WORD);
insertGlobal("class", RESERVED_WORD);
insertGlobal("const", RESERVED_WORD);
insertGlobal("continue", RESERVED_WORD);
insertGlobal("declare", RESERVED_WORD);
insertGlobal("default", RESERVED_WORD);
insertGlobal("die", RESERVED_WORD);
insertGlobal("do", RESERVED_WORD);
insertGlobal("echo", RESERVED_WORD);
insertGlobal("else", RESERVED_WORD);
insertGlobal("elseif", RESERVED_WORD);
insertGlobal("empty", RESERVED_WORD);
insertGlobal("enddeclare", RESERVED_WORD);
insertGlobal("endfor", RESERVED_WORD);
insertGlobal("endforeach", RESERVED_WORD);
insertGlobal("endif", RESERVED_WORD);
insertGlobal("endswitch", RESERVED_WORD);
insertGlobal("endwhile", RESERVED_WORD);
insertGlobal("eval", RESERVED_WORD);
insertGlobal("exit", RESERVED_WORD);
insertGlobal("for", RESERVED_WORD);
insertGlobal("foreach", RESERVED_WORD);
insertGlobal("function", RESERVED_WORD);
insertGlobal("global", RESERVED_WORD);
insertGlobal("if", RESERVED_WORD);
insertGlobal("include", RESERVED_WORD);
insertGlobal("include_once", RESERVED_WORD);
insertGlobal("isset", RESERVED_WORD);
insertGlobal("list", RESERVED_WORD);
insertGlobal("new", RESERVED_WORD);
insertGlobal("print", RESERVED_WORD);
insertGlobal("require", RESERVED_WORD);
insertGlobal("require_once", RESERVED_WORD);
insertGlobal("return", RESERVED_WORD);
insertGlobal("static", RESERVED_WORD);
insertGlobal("switch", RESERVED_WORD);
insertGlobal("unset", RESERVED_WORD);
insertGlobal("use", RESERVED_WORD);
insertGlobal("var", RESERVED_WORD);
insertGlobal("while", RESERVED_WORD);
insertGlobal("__FUNCTION__", RESERVED_WORD);
insertGlobal("__CLASS__", RESERVED_WORD);
insertGlobal("__METHOD__", RESERVED_WORD);
insertGlobal("final", RESERVED_WORD);
insertGlobal("php_user_filter", RESERVED_WORD);
insertGlobal("interface", RESERVED_WORD);
insertGlobal("implements", RESERVED_WORD);
insertGlobal("extends", RESERVED_WORD);
insertGlobal("public", RESERVED_WORD);
insertGlobal("private", RESERVED_WORD);
insertGlobal("protected", RESERVED_WORD);
insertGlobal("abstract", RESERVED_WORD);
insertGlobal("clone", RESERVED_WORD);
insertGlobal("try", RESERVED_WORD);
insertGlobal("catch", RESERVED_WORD);
insertGlobal("throw", RESERVED_WORD);
}
public void openScope()
{
SymbolTableScope new_scope = new SymbolTableScope(cur_scope);
cur_scope = new_scope;
}
public SymbolTableScope(SymbolTableScope parent)
{
this.parent = parent;
entries = new Hashtable();
classMembers = new ArrayList();
globalVariables = new ArrayList();
}
public void closeScope()
{
cur_scope = cur_scope.parent;
}