1 | /*****************************************************************************/ |
2 | /* */ |
3 | /* macro.h */ |
4 | /* */ |
5 | /* Macros for the ca65 macroassembler */ |
6 | /* */ |
7 | /* */ |
8 | /* */ |
9 | /* (C) 1998-2011, 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 | #ifndef MACRO_H |
37 | #define MACRO_H |
38 | |
39 | |
40 | |
41 | /*****************************************************************************/ |
42 | /* Forwards */ |
43 | /*****************************************************************************/ |
44 | |
45 | |
46 | |
47 | struct StrBuf; |
48 | |
49 | |
50 | |
51 | /*****************************************************************************/ |
52 | /* Data */ |
53 | /*****************************************************************************/ |
54 | |
55 | |
56 | |
57 | /* Macro styles */ |
58 | #define MAC_STYLE_CLASSIC 0 |
59 | #define MAC_STYLE_DEFINE 1 |
60 | |
61 | /* Macro as an opaque data type */ |
62 | struct Macro; |
63 | typedef struct Macro Macro; |
64 | |
65 | |
66 | |
67 | /*****************************************************************************/ |
68 | /* Code */ |
69 | /*****************************************************************************/ |
70 | |
71 | |
72 | |
73 | void MacDef (unsigned Style); |
74 | /* Parse a macro definition */ |
75 | |
76 | void MacUndef (const struct StrBuf* Name, unsigned char Style); |
77 | /* Undefine the macro with the given name and style. A style mismatch is |
78 | ** treated as if the macro didn't exist. |
79 | */ |
80 | |
81 | void MacExpandStart (Macro* M); |
82 | /* Start expanding a macro */ |
83 | |
84 | void MacAbort (void); |
85 | /* Abort the current macro expansion */ |
86 | |
87 | Macro* FindMacro (const struct StrBuf* Name); |
88 | /* Try to find the macro with the given name and return it. If no macro with |
89 | ** this name was found, return NULL. |
90 | */ |
91 | |
92 | Macro* FindDefine (const struct StrBuf* Name); |
93 | /* Try to find the define style macro with the given name and return it. If no |
94 | ** such macro was found, return NULL. |
95 | */ |
96 | |
97 | int InMacExpansion (void); |
98 | /* Return true if we're currently expanding a macro */ |
99 | |
100 | void DisableDefineStyleMacros (void); |
101 | /* Disable define style macros until EnableDefineStyleMacros is called */ |
102 | |
103 | void EnableDefineStyleMacros (void); |
104 | /* Re-enable define style macros previously disabled with |
105 | ** DisableDefineStyleMacros. |
106 | */ |
107 | |
108 | |
109 | |
110 | /* End of macro.h */ |
111 | |
112 | #endif |
113 | |