1 | /*****************************************************************************/ |
2 | /* */ |
3 | /* funcdesc.h */ |
4 | /* */ |
5 | /* Function descriptor structure for the cc65 C compiler */ |
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 | #ifndef FUNCDESC_H |
37 | #define FUNCDESC_H |
38 | |
39 | |
40 | |
41 | /*****************************************************************************/ |
42 | /* struct FuncDesc */ |
43 | /*****************************************************************************/ |
44 | |
45 | |
46 | |
47 | /* Masks for the Flags field in FuncDesc */ |
48 | #define FD_NONE 0x0000U /* No flags */ |
49 | #define FD_EMPTY 0x0001U /* Function with empty param list */ |
50 | #define FD_VOID_PARAM 0x0002U /* Function with a void param list */ |
51 | #define FD_VARIADIC 0x0004U /* Function with variable param list */ |
52 | #define FD_OLDSTYLE 0x0010U /* Old style (K&R) function */ |
53 | #define FD_OLDSTYLE_INTRET 0x0020U /* K&R func has implicit int return */ |
54 | #define FD_UNNAMED_PARAMS 0x0040U /* Function has unnamed params */ |
55 | #define FD_CALL_WRAPPER 0x0080U /* This function is used as a wrapper */ |
56 | |
57 | /* Bits that must be ignored when comparing funcs */ |
58 | #define FD_IGNORE (FD_OLDSTYLE | FD_OLDSTYLE_INTRET | FD_UNNAMED_PARAMS | FD_CALL_WRAPPER) |
59 | |
60 | |
61 | |
62 | /* Function descriptor */ |
63 | typedef struct FuncDesc FuncDesc; |
64 | struct FuncDesc { |
65 | unsigned Flags; /* Bitmapped flags FD_... */ |
66 | struct SymTable* SymTab; /* Symbol table */ |
67 | struct SymTable* TagTab; /* Symbol table for structs/enums */ |
68 | unsigned ParamCount; /* Number of parameters */ |
69 | unsigned ParamSize; /* Size of the parameters */ |
70 | struct SymEntry* LastParam; /* Pointer to last parameter */ |
71 | struct SymEntry* WrappedCall; /* Pointer to the WrappedCall */ |
72 | unsigned char WrappedCallData;/* The WrappedCall's user data */ |
73 | }; |
74 | |
75 | |
76 | |
77 | /*****************************************************************************/ |
78 | /* Code */ |
79 | /*****************************************************************************/ |
80 | |
81 | |
82 | |
83 | FuncDesc* NewFuncDesc (void); |
84 | /* Create a new symbol table with the given name */ |
85 | |
86 | void FreeFuncDesc (FuncDesc* D); |
87 | /* Free a function descriptor */ |
88 | |
89 | |
90 | |
91 | /* End of funcdesc.h */ |
92 | |
93 | #endif |
94 | |