mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-28 03:18:41 +00:00
69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
// -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
//
|
|
// The contents of this file are subject to the Netscape Public
|
|
// License Version 1.1 (the "License"); you may not use this file
|
|
// except in compliance with the License. You may obtain a copy of
|
|
// the License at http://www.mozilla.org/NPL/
|
|
//
|
|
// Software distributed under the License is distributed on an "AS
|
|
// IS" basis, WITHOUT WARRANTY OF ANY KIND, either express oqr
|
|
// implied. See the License for the specific language governing
|
|
// rights and limitations under the License.
|
|
//
|
|
// The Original Code is the JavaScript 2 Prototype.
|
|
//
|
|
// The Initial Developer of the Original Code is Netscape
|
|
// Communications Corporation. Portions created by Netscape are
|
|
// Copyright (C) 1998 Netscape Communications Corporation. All
|
|
// Rights Reserved.
|
|
|
|
#ifndef world_h
|
|
#define world_h
|
|
|
|
#include "utilities.h"
|
|
#include "hash.h"
|
|
#include "parser.h"
|
|
|
|
namespace JavaScript {
|
|
|
|
//
|
|
// String atom management
|
|
//
|
|
|
|
// A StringAtom is a String for which the following guarantee applies:
|
|
// StringAtoms A and B have the same character sequences if and only if A and B are the
|
|
// same StringAtom.
|
|
|
|
class StringAtom: public String {
|
|
public:
|
|
Token::Kind tokenKind; // Token::Kind if this is a keyword; Token::identifier if not
|
|
|
|
explicit StringAtom(const String &s): String(s), tokenKind(Token::identifier) {}
|
|
private:
|
|
StringAtom(const StringAtom&); // No copy constructor
|
|
void operator=(const StringAtom&); // No assignment operator
|
|
};
|
|
|
|
inline bool operator==(const StringAtom &s1, const StringAtom &s2) {return &s1 == &s2;}
|
|
inline bool operator!=(const StringAtom &s1, const StringAtom &s2) {return &s1 != &s2;}
|
|
|
|
|
|
class StringAtomTable {
|
|
typedef HashTable<StringAtom, const String&> HT;
|
|
HT ht;
|
|
|
|
public:
|
|
StringAtom &operator[](const String &s);
|
|
};
|
|
|
|
|
|
class World {
|
|
public:
|
|
StringAtomTable identifiers;
|
|
|
|
World();
|
|
};
|
|
}
|
|
|
|
#endif
|