1 
2 /* Compiler implementation of the D programming language
3  * Copyright (C) 1999-2019 by The D Language Foundation, All Rights Reserved
4  * written by Walter Bright
5  * http://www.digitalmars.com
6  * Distributed under the Boost Software License, Version 1.0.
7  * http://www.boost.org/LICENSE_1_0.txt
8  * https://github.com/dlang/dmd/blob/master/src/dmd/identifier.h
9  */
10 
11 #pragma once
12 
13 #include "root/root.h"
14 #include "root/stringtable.h"
15 
16 class Identifier : public RootObject
17 {
18 private:
19     int value;
20     const char *string;
21     size_t len;
22 
23 public:
24     Identifier(const char *string, size_t length, int value);
25     Identifier(const char *string);
26     static Identifier* create(const char *string);
27     bool equals(RootObject *o);
28     int compare(RootObject *o);
29     void print();
30     const char *toChars();
31     int getValue() const;
32     const char *toHChars2();
33     int dyncast() const;
34 
35     static StringTable stringtable;
36     static Identifier *generateId(const char *prefix);
37     static Identifier *generateId(const char *prefix, size_t i);
38     static Identifier *idPool(const char *s, size_t len);
39     static Identifier *idPool(const char *s, size_t len, int value);
40 
idPool(const char * s)41     static inline Identifier *idPool(const char *s)
42     {
43         return idPool(s, strlen(s));
44     }
45 
46     static bool isValidIdentifier(const char *p);
47     static Identifier *lookup(const char *s, size_t len);
48     static void initTable();
49 };
50