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annotate dmd2/lstring.c @ 812:6c2ff06c4201

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Fixed a nasty bug with how interface vtables for class initializers were output, causing some class fields to be skipped. Fixed a problem in definition of ClassInfos where an invalid constant was potentially used. This needs to be looked into proper as it might happen again in the future.
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Mon, 01 Dec 2008 04:37:54 +0100
parents f04dde6e882c
children 356e65836fb5
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f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
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1 // lstring.c
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2
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3 // Copyright (c) 1999-2002 by Digital Mars
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4 // All Rights Reserved
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5 // written by Walter Bright
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6 // www.digitalmars.com
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7 // License for redistribution is by either the Artistic License
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8 // in artistic.txt, or the GNU General Public License in gnu.txt.
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9 // See the included readme.txt for details.
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10
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11 #include <stdlib.h>
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12
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13 #include "dchar.h"
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14 #include "mem.h"
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15 #include "lstring.h"
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16
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17 Lstring Lstring::zero = LSTRING_EMPTY();
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18
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19 Lstring *Lstring::ctor(const dchar *p, unsigned length)
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20 {
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21 Lstring *s;
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22
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23 s = alloc(length);
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24 memcpy(s->string, p, length * sizeof(dchar));
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25 return s;
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26 }
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27
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28 Lstring *Lstring::alloc(unsigned length)
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29 {
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30 Lstring *s;
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31
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32 s = (Lstring *)mem.malloc(size(length));
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33 s->length = length;
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34 s->string[length] = 0;
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35 return s;
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36 }
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37
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38 Lstring *Lstring::append(const Lstring *s)
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39 {
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40 Lstring *t;
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41
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42 if (!s->length)
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43 return this;
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44 t = alloc(length + s->length);
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45 memcpy(t->string, string, length * sizeof(dchar));
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46 memcpy(t->string + length, s->string, s->length * sizeof(dchar));
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47 return t;
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48 }
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49
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50 Lstring *Lstring::substring(int start, int end)
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51 {
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52 Lstring *t;
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53
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54 if (start == end)
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55 return &zero;
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56 t = alloc(end - start);
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57 memcpy(t->string, string + start, (end - start) * sizeof(dchar));
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58 return t;
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59 }