1/*****************************************************************************/
2/* */
3/* declare.h */
4/* */
5/* Parse variable and function declarations */
6/* */
7/* */
8/* */
9/* (C) 1998-2009, 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 DECLARE_H
37#define DECLARE_H
38
39
40
41/* common */
42#include "coll.h"
43
44/* cc65 */
45#include "scanner.h"
46#include "symtab.h"
47
48
49
50/*****************************************************************************/
51/* Data */
52/*****************************************************************************/
53
54
55
56/* Masks for the Flags field in DeclSpec */
57#define DS_DEF_STORAGE 0x0001U /* Default storage class used */
58#define DS_DEF_TYPE 0x0002U /* Default type used */
59#define DS_EXTRA_TYPE 0x0004U /* Extra type declared */
60
61/* Result of ParseDeclSpec */
62typedef struct DeclSpec DeclSpec;
63struct DeclSpec {
64 unsigned StorageClass; /* One of the SC_xxx flags */
65 Type Type[MAXTYPELEN]; /* Type of the declaration spec */
66 unsigned Flags; /* Bitmapped flags */
67};
68
69/* Result of ParseDecl */
70typedef struct Declaration Declaration;
71struct Declaration {
72 unsigned StorageClass; /* A set of SC_xxx flags */
73 Type Type[MAXTYPELEN]; /* The type */
74 ident Ident; /* The identifier, if any*/
75 Collection* Attributes; /* Attributes if any */
76
77 /* Working variables */
78 unsigned Index; /* Used to build Type */
79};
80
81/* Modes for ParseDecl */
82typedef enum {
83 DM_NEED_IDENT, /* We must have an identifier */
84 DM_NO_IDENT, /* We won't read an identifier */
85 DM_ACCEPT_IDENT, /* We will accept an id if there is one */
86} declmode_t;
87
88
89
90/*****************************************************************************/
91/* Code */
92/*****************************************************************************/
93
94
95
96Type* ParseType (Type* Type);
97/* Parse a complete type specification */
98
99void ParseDecl (const DeclSpec* Spec, Declaration* D, declmode_t Mode);
100/* Parse a variable, type or function declaration */
101
102void ParseDeclSpec (DeclSpec* D, unsigned DefStorage, long DefType);
103/* Parse a declaration specification */
104
105void CheckEmptyDecl (const DeclSpec* D);
106/* Called after an empty type declaration (that is, a type declaration without
107** a variable). Checks if the declaration does really make sense and issues a
108** warning if not.
109*/
110
111unsigned ParseInit (Type* T);
112/* Parse initialization of variables. Return the number of initialized data
113** bytes.
114*/
115
116
117
118/* End of declare.h */
119
120#endif
121