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 */
63typedef struct FuncDesc FuncDesc;
64struct 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
83FuncDesc* NewFuncDesc (void);
84/* Create a new symbol table with the given name */
85
86void FreeFuncDesc (FuncDesc* D);
87/* Free a function descriptor */
88
89
90
91/* End of funcdesc.h */
92
93#endif
94