Commit | Line | Data |
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86d66dd9 ML |
1 | /* Copyright (c) 1982 Regents of the University of California */ |
2 | ||
0022c355 ML |
3 | static char sccsid[] = "@(#)languages.c 1.5 (Berkeley) %G%"; |
4 | ||
5 | static char rcsid[] = "$Header: languages.c,v 1.5 84/12/26 10:39:49 linton Exp $"; | |
86d66dd9 ML |
6 | |
7 | /* | |
8 | * Language management. | |
9 | */ | |
10 | ||
11 | #include "defs.h" | |
12 | #include "languages.h" | |
13 | #include "c.h" | |
14 | #include "pascal.h" | |
2fd0f574 | 15 | #include "modula-2.h" |
86d66dd9 ML |
16 | #include "asm.h" |
17 | ||
18 | #ifndef public | |
2fd0f574 | 19 | |
86d66dd9 ML |
20 | typedef struct Language *Language; |
21 | ||
22 | typedef enum { | |
2fd0f574 SL |
23 | L_PRINTDECL, L_PRINTVAL, L_TYPEMATCH, L_BUILDAREF, L_EVALAREF, |
24 | L_MODINIT, L_HASMODULES, L_PASSADDR, | |
25 | L_ENDOP | |
86d66dd9 ML |
26 | } LanguageOp; |
27 | ||
28 | typedef LanguageOperation(); | |
2fd0f574 SL |
29 | |
30 | Language primlang; | |
31 | ||
86d66dd9 ML |
32 | #endif |
33 | ||
34 | struct Language { | |
35 | String name; | |
36 | String suffix; | |
2fd0f574 | 37 | LanguageOperation *op[20]; |
86d66dd9 ML |
38 | Language next; |
39 | }; | |
40 | ||
41 | private Language head; | |
42 | ||
43 | /* | |
44 | * Initialize language information. | |
45 | * | |
46 | * The last language initialized will be the default one | |
47 | * for otherwise indistinguised symbols. | |
48 | */ | |
49 | ||
50 | public language_init() | |
51 | { | |
2fd0f574 | 52 | primlang = language_define("$builtin symbols", ".?"); |
86d66dd9 | 53 | c_init(); |
1c6133da | 54 | fortran_init(); |
86d66dd9 | 55 | pascal_init(); |
2fd0f574 | 56 | modula2_init(); |
86d66dd9 ML |
57 | asm_init(); |
58 | } | |
59 | ||
60 | public Language findlanguage(suffix) | |
61 | String suffix; | |
62 | { | |
63 | Language lang; | |
64 | ||
65 | lang = head; | |
66 | if (suffix != nil) { | |
67 | while (lang != nil and not streq(lang->suffix, suffix)) { | |
68 | lang = lang->next; | |
69 | } | |
70 | if (lang == nil) { | |
71 | lang = head; | |
72 | } | |
73 | } | |
74 | return lang; | |
75 | } | |
76 | ||
77 | public String language_name(lang) | |
78 | Language lang; | |
79 | { | |
80 | return (lang == nil) ? "(nil)" : lang->name; | |
81 | } | |
82 | ||
83 | public Language language_define(name, suffix) | |
84 | String name; | |
85 | String suffix; | |
86 | { | |
87 | Language p; | |
88 | ||
89 | p = new(Language); | |
90 | p->name = name; | |
91 | p->suffix = suffix; | |
92 | p->next = head; | |
93 | head = p; | |
94 | return p; | |
95 | } | |
96 | ||
97 | public language_setop(lang, op, operation) | |
98 | Language lang; | |
99 | LanguageOp op; | |
100 | LanguageOperation *operation; | |
101 | { | |
102 | checkref(lang); | |
2fd0f574 | 103 | assert(ord(op) < ord(L_ENDOP)); |
86d66dd9 ML |
104 | lang->op[ord(op)] = operation; |
105 | } | |
106 | ||
107 | public LanguageOperation *language_op(lang, op) | |
108 | Language lang; | |
109 | LanguageOp op; | |
110 | { | |
111 | LanguageOperation *o; | |
112 | ||
113 | checkref(lang); | |
114 | o = lang->op[ord(op)]; | |
115 | checkref(o); | |
116 | return o; | |
117 | } |