private SymbolTableScope GetTopScope()
{
SymbolTableScope tmp_scope = CurScope;
while (tmp_scope.Parent != null)
{
tmp_scope = tmp_scope.Parent;
}
return(tmp_scope);
}
public SymbolTableScope(SymbolTableScope parent)
{
Parent = parent;
Entries = new Hashtable();
ClassMembers = new ArrayList();
}
public void CloseScope()
{
CurScope = CurScope.Parent;
}
private SymbolTable()
{
CurScope = new SymbolTableScope(null);
ExternalAssemblies = new ArrayList();
ExternalTypesAvailable = new Hashtable();
// collect namespaces of common assemblies
ExternalNamespaces = new Hashtable();
ArrayList assemblies = new ArrayList();
assemblies.AddRange(System.AppDomain.CurrentDomain.GetAssemblies());
assemblies.Add(Assembly.LoadFrom("mPHPRuntime.dll"));
foreach (Assembly ass in assemblies)
{
if (ass.GetName().Name != "mPHP")
{
try {
// the following if clause is a workaround as Mono returns null for ass.GetTypes() on the dymanic assembly to be created
if (ass.GetTypes() != null)
{
foreach (Type t in ass.GetTypes())
{
string name_space = (t.Namespace == null) ? "__root" : t.Namespace;
ArrayList typesOfNamespace = (ArrayList)ExternalNamespaces[name_space];
if (typesOfNamespace == null)
{
typesOfNamespace = new ArrayList();
ExternalNamespaces[name_space] = typesOfNamespace;
}
typesOfNamespace.Add(t);
}
}
}
catch (ReflectionTypeLoadException) {
// when using .NET Framework ass.GetTypes() throws a ReflectionTypeLoadException when trying to get the types of the dynamic module to be created
continue;
}
}
}
// 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(CurScope);
CurScope = new_scope;
}
private SymbolTable() {
CurScope = new SymbolTableScope(null);
ExternalAssemblies = new ArrayList();
ExternalTypesAvailable = new Hashtable();
// collect namespaces of common assemblies
ExternalNamespaces = new Hashtable();
ArrayList assemblies = new ArrayList();
assemblies.AddRange(System.AppDomain.CurrentDomain.GetAssemblies());
assemblies.Add(Assembly.LoadFrom("mPHPRuntime.dll"));
foreach (Assembly ass in assemblies) {
if (ass.GetName().Name != "mPHP")
try {
// the following if clause is a workaround as Mono returns null for ass.GetTypes() on the dymanic assembly to be created
if (ass.GetTypes() != null)
foreach (Type t in ass.GetTypes()) {
string name_space = (t.Namespace == null) ? "__root" : t.Namespace;
ArrayList typesOfNamespace = (ArrayList)ExternalNamespaces[name_space];
if (typesOfNamespace == null) {
typesOfNamespace = new ArrayList();
ExternalNamespaces[name_space] = typesOfNamespace;
}
typesOfNamespace.Add(t);
}
}
catch (ReflectionTypeLoadException) {
// when using .NET Framework ass.GetTypes() throws a ReflectionTypeLoadException when trying to get the types of the dynamic module to be created
continue;
}
}
// 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 SymbolTableScope(SymbolTableScope parent) {
Parent = parent;
Entries = new Hashtable();
ClassMembers = new ArrayList();
}
public void CloseScope() {
CurScope = CurScope.Parent;
}
public void openScope() {
SymbolTableScope new_scope = new SymbolTableScope(CurScope);
CurScope = new_scope;
}
