]> git.sur5r.net Git - cc65/blob - src/ca65/feature.c
Added condes tables to c64 config
[cc65] / src / ca65 / feature.c
1 /*****************************************************************************/
2 /*                                                                           */
3 /*                                 feature.c                                 */
4 /*                                                                           */
5 /*                  Subroutines for the emulation features                   */
6 /*                                                                           */
7 /*                                                                           */
8 /*                                                                           */
9 /* (C) 2000     Ullrich von Bassewitz                                        */
10 /*              Wacholderweg 14                                              */
11 /*              D-70597 Stuttgart                                            */
12 /* EMail:       uz@musoftware.de                                             */
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 #include <string.h>
37
38 /* ca65 */
39 #include "global.h"
40 #include "feature.h"
41
42
43
44 /*****************************************************************************/
45 /*                                   Data                                    */
46 /*****************************************************************************/
47
48
49
50 /* Names of the features */
51 static const char* FeatureKeys[FEAT_COUNT] = {
52     "dollar_is_pc",
53     "labels_without_colons",
54     "loose_string_term",
55     "loose_char_term",
56     "at_in_identifiers",
57     "dollar_in_identifiers",
58     "pc_assignment",
59 };
60
61
62
63 /*****************************************************************************/
64 /*                                   Code                                    */
65 /*****************************************************************************/
66
67
68
69 feature_t FindFeature (const char* Key)
70 /* Find the feature in a table and return the corresponding enum value. If the
71  * feature is invalid, return FEAT_UNKNOWN.
72  */
73 {
74     feature_t F;
75
76     /* This is not time critical, so do a linear search */
77     for (F = (feature_t) 0; F < FEAT_COUNT; ++F) {
78         if (strcmp (Key, FeatureKeys[F]) == 0) {
79             /* Found, index is enum value */
80             return F;
81         }
82     }
83
84     /* Not found */
85     return FEAT_UNKNOWN;
86 }
87
88
89
90 feature_t SetFeature (const char* Key)
91 /* Find the feature and set the corresponding flag if the feature is known.
92  * In any case, return the feature found. An invalid Key will return
93  * FEAT_UNKNOWN.
94  */
95 {
96     /* Map the string to an enum value */
97     feature_t Feature = FindFeature (Key);
98
99     /* Set the flags */
100     switch (Feature) {
101         case FEAT_DOLLAR_IS_PC:          DollarIsPC     = 1;    break;
102         case FEAT_LABELS_WITHOUT_COLONS: NoColonLabels  = 1;    break;
103         case FEAT_LOOSE_STRING_TERM:     LooseStringTerm= 1;    break;
104         case FEAT_LOOSE_CHAR_TERM:       LooseCharTerm  = 1;    break;
105         case FEAT_AT_IN_IDENTIFIERS:     AtInIdents     = 1;    break;
106         case FEAT_DOLLAR_IN_IDENTIFIERS: DollarInIdents = 1;    break;
107         case FEAT_PC_ASSIGNMENT:         PCAssignment   = 1;    break;
108         default:                         /* Keep gcc silent */  break;
109     }                                                                 
110
111     /* Return the value found */
112     return Feature;
113 }
114
115
116