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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