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 | |
50 | static const char AnonTag[] = "$anon" ; |
51 | |
52 | |
53 | |
54 | /*****************************************************************************/ |
55 | /* Code */ |
56 | /*****************************************************************************/ |
57 | |
58 | |
59 | |
60 | StrBuf* 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 | |
73 | int 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 | |