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 0x0004U /* Extra type declared */ |
60 | |
61 | /* Result of ParseDeclSpec */ |
62 | typedef struct DeclSpec DeclSpec; |
63 | struct 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 */ |
70 | typedef struct Declaration Declaration; |
71 | struct 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 */ |
82 | typedef 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 | |
96 | Type* ParseType (Type* Type); |
97 | /* Parse a complete type specification */ |
98 | |
99 | void ParseDecl (const DeclSpec* Spec, Declaration* D, declmode_t Mode); |
100 | /* Parse a variable, type or function declaration */ |
101 | |
102 | void ParseDeclSpec (DeclSpec* D, unsigned DefStorage, long DefType); |
103 | /* Parse a declaration specification */ |
104 | |
105 | void 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 | |
111 | unsigned 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 | |