1/*****************************************************************************/
2/* */
3/* anonname.c */
4/* */
5/* Create names for anonymous scopes/variables/types */
6/* */
7/* */
8/* */
9/* (C) 2000-2008 Ullrich von Bassewitz */
10/* Roemerstrasse 52 */
11/* D-70794 Filderstadt */
12/* EMail: uz@cc65.org */
13/* */
14/* */
15/* This software is provided 'as-is', without any expressed or implied */
16/* warranty. In no event will the authors be held liable for any damages */
17/* arising from the use of this software. */
18/* */
19/* Permission is granted to anyone to use this software for any purpose, */
20/* including commercial applications, and to alter it and redistribute it */
21/* freely, subject to the following restrictions: */
22/* */
23/* 1. The origin of this software must not be misrepresented; you must not */
24/* claim that you wrote the original software. If you use this software */
25/* in a product, an acknowledgment in the product documentation would be */
26/* appreciated but is not required. */
27/* 2. Altered source versions must be plainly marked as such, and must not */
28/* be misrepresented as being the original software. */
29/* 3. This notice may not be removed or altered from any source */
30/* distribution. */
31/* */
32/*****************************************************************************/
33
34
35
36#include <stdio.h>
37#include <string.h>
38
39/* ca65 */
40#include "anonname.h"
41
42
43
44/*****************************************************************************/
45/* Data */
46/*****************************************************************************/
47
48
49
50static const char AnonTag[] = "$anon";
51
52
53
54/*****************************************************************************/
55/* Code */
56/*****************************************************************************/
57
58
59
60StrBuf* AnonName (StrBuf* Buf, const char* Spec)
61/* Get a name for an anonymous scope, variable or type. Size is the size of
62** the buffer passed to the function, Spec will be used as part of the
63** identifier if given. A pointer to the buffer is returned.
64*/
65{
66 static unsigned ACount = 0;
67 SB_Printf (Buf, "%s-%s-%04X", AnonTag, Spec, ++ACount);
68 return Buf;
69}
70
71
72
73int IsAnonName (const StrBuf* Name)
74/* Check if the given symbol name is that of an anonymous symbol */
75{
76 if (SB_GetLen (Name) < sizeof (AnonTag) - 1) {
77 /* Too short */
78 return 0;
79 }
80 return (strncmp (SB_GetConstBuf (Name), AnonTag, sizeof (AnonTag) - 1) == 0);
81}
82