]> git.sur5r.net Git - cc65/blob - src/ca65/macpack.c
Added a new option --macpack-dir that allows to load the macro packages
[cc65] / src / ca65 / macpack.c
1 /*****************************************************************************/
2 /*                                                                           */
3 /*                                 macpack.c                                 */
4 /*                                                                           */
5 /*           Predefined macro packages for the ca65 macroassembler           */
6 /*                                                                           */
7 /*                                                                           */
8 /*                                                                           */
9 /* (C) 1998-2005, Ullrich von Bassewitz                                      */
10 /*                Römerstrasse 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 /* common */
37 #include "check.h"
38 #include "strbuf.h"
39 #include "strutil.h"
40
41 /* ca65 */
42 #include "error.h"
43 #include "scanner.h"
44 #include "macpack.h"
45
46
47
48 /*****************************************************************************/
49 /*                                   Data                                    */
50 /*****************************************************************************/
51
52
53
54 /* Predefined macro packages converted into C strings by a perl script */
55 #include "cbm.inc"
56 #include "cpu.inc"
57 #include "generic.inc"
58 #include "longbranch.inc"
59
60 /* Table with pointers to the different packages */
61 static struct {
62     const char* Name;
63     char*       Package;
64 } MacPackages[MAC_COUNT] = {
65     /* Packages sorted by id */
66     { "cbm",            MacCBM          },
67     { "cpu",            MacCPU          },
68     { "generic",        MacGeneric      },
69     { "longbranch",     MacLongBranch   },
70 };
71
72 /* Directory that contains standard macro package files */
73 static StrBuf MacPackDir = STATIC_STRBUF_INITIALIZER;
74
75
76
77 /*****************************************************************************/
78 /*                                   Code                                    */
79 /*****************************************************************************/
80
81
82
83 int MacPackFind (const char* Name)
84 /* Find a macro package by name. The function will either return the id or
85  * -1 if the package name was not found.
86  */
87 {
88     int I;
89
90     for (I = 0; I < MAC_COUNT; ++I) {
91         if (StrCaseCmp (Name, MacPackages[I].Name) == 0) {
92             /* Found */
93             return I;
94         }
95     }
96
97     /* Not found */
98     return -1;
99 }
100
101
102
103 void MacPackInsert (int Id)
104 /* Insert the macro package with the given id in the input stream */
105 {
106     /* Check the parameter */
107     CHECK (Id >= 0 && Id < MAC_COUNT);
108
109     /* If we have a macro package directory given, load a file from the
110      * directory, otherwise use the builtin stuff.
111      */
112     if (SB_IsEmpty (&MacPackDir)) {
113
114         /* Insert the builtin package */
115         NewInputData (MacPackages[Id].Package, 0);
116
117     } else {
118
119         StrBuf Filename = AUTO_STRBUF_INITIALIZER;
120
121         /* Build the complete file name */
122         SB_Copy (&Filename, &MacPackDir);
123         SB_AppendStr (&Filename, MacPackages[Id].Name);
124         SB_AppendStr (&Filename, ".mac");
125         SB_Terminate (&Filename);
126
127         /* Open the macro package as include file */
128         NewInputFile (SB_GetConstBuf (&Filename));
129
130         /* Destroy the contents of Filename */
131         DoneStrBuf (&Filename);
132
133     }
134 }
135
136
137
138 void MacPackSetDir (const char* Dir)
139 /* Set a directory where files for macro packages can be found. Standard is
140  * to use the builtin packages. For debugging macro packages, external files
141  * can be used.
142  */
143 {
144     /* Copy the directory name to the buffer */
145     SB_CopyStr (&MacPackDir, Dir);
146
147     /* Make sure that the last character is a path delimiter */
148     if (SB_NotEmpty (&MacPackDir)) {
149         char C = SB_LookAtLast (&MacPackDir);
150         if (C != '\\' && C != '/') {
151             SB_AppendChar (&MacPackDir, '/');
152         }
153     }
154
155     /* Terminate the buffer so it's usable as a C string */
156     SB_Terminate (&MacPackDir);
157 }
158
159
160