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Added initial D2 support, D2 frontend and changes to codegen to make things compile.
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Tue, 11 Nov 2008 01:38:48 +0100
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children 356e65836fb5
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757:2c730d530c98 758:f04dde6e882c
1 // lstring.c
2
3 // Copyright (c) 1999-2002 by Digital Mars
4 // All Rights Reserved
5 // written by Walter Bright
6 // www.digitalmars.com
7 // License for redistribution is by either the Artistic License
8 // in artistic.txt, or the GNU General Public License in gnu.txt.
9 // See the included readme.txt for details.
10
11 #include <stdlib.h>
12
13 #include "dchar.h"
14 #include "mem.h"
15 #include "lstring.h"
16
17 Lstring Lstring::zero = LSTRING_EMPTY();
18
19 Lstring *Lstring::ctor(const dchar *p, unsigned length)
20 {
21 Lstring *s;
22
23 s = alloc(length);
24 memcpy(s->string, p, length * sizeof(dchar));
25 return s;
26 }
27
28 Lstring *Lstring::alloc(unsigned length)
29 {
30 Lstring *s;
31
32 s = (Lstring *)mem.malloc(size(length));
33 s->length = length;
34 s->string[length] = 0;
35 return s;
36 }
37
38 Lstring *Lstring::append(const Lstring *s)
39 {
40 Lstring *t;
41
42 if (!s->length)
43 return this;
44 t = alloc(length + s->length);
45 memcpy(t->string, string, length * sizeof(dchar));
46 memcpy(t->string + length, s->string, s->length * sizeof(dchar));
47 return t;
48 }
49
50 Lstring *Lstring::substring(int start, int end)
51 {
52 Lstring *t;
53
54 if (start == end)
55 return &zero;
56 t = alloc(end - start);
57 memcpy(t->string, string + start, (end - start) * sizeof(dchar));
58 return t;
59 }