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1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: symcif.fth | |
4 | \ | |
5 | \ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. | |
6 | \ | |
7 | \ - Do no alter or remove copyright notices | |
8 | \ | |
9 | \ - Redistribution and use of this software in source and binary forms, with | |
10 | \ or without modification, are permitted provided that the following | |
11 | \ conditions are met: | |
12 | \ | |
13 | \ - Redistribution of source code must retain the above copyright notice, | |
14 | \ this list of conditions and the following disclaimer. | |
15 | \ | |
16 | \ - Redistribution in binary form must reproduce the above copyright notice, | |
17 | \ this list of conditions and the following disclaimer in the | |
18 | \ documentation and/or other materials provided with the distribution. | |
19 | \ | |
20 | \ Neither the name of Sun Microsystems, Inc. or the names of contributors | |
21 | \ may be used to endorse or promote products derived from this software | |
22 | \ without specific prior written permission. | |
23 | \ | |
24 | \ This software is provided "AS IS," without a warranty of any kind. | |
25 | \ ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, | |
26 | \ INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A | |
27 | \ PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN | |
28 | \ MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR | |
29 | \ ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR | |
30 | \ DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN | |
31 | \ OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR | |
32 | \ FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE | |
33 | \ DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, | |
34 | \ ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF | |
35 | \ SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. | |
36 | \ | |
37 | \ You acknowledge that this software is not designed, licensed or | |
38 | \ intended for use in the design, construction, operation or maintenance of | |
39 | \ any nuclear facility. | |
40 | \ | |
41 | \ ========== Copyright Header End ============================================ | |
42 | id: @(#)symcif.fth 1.2 95/09/11 | |
43 | purpose: sym-to-name and name-to-sym callbacks into client program. | |
44 | copyright: Copyright 1995 Sun Microsystems, Inc. All Rights Reserved | |
45 | ||
46 | headerless | |
47 | 0 value sym-to-value | |
48 | 0 value value-to-sym | |
49 | ||
50 | 0 value prev-s2v | |
51 | 0 value prev-v2s | |
52 | ||
53 | : sym-to-value-str ( -- adr,len ) " sym-to-value" drop ; | |
54 | : value-to-sym-str ( -- adr,len ) " value-to-sym" drop ; | |
55 | ||
56 | h# 80 constant /symname-buf | |
57 | /symname-buf buffer: symname-buf | |
58 | 6 /n* buffer: cif-symbol-array | |
59 | ||
60 | : do-sym-to-value ( adr,len -- n true | adr,len false ) | |
61 | sym-to-value if | |
62 | 2dup 2>r | |
63 | sym-to-value-str cif-symbol-array 0 na+ ! | |
64 | 1 cif-symbol-array 1 na+ ! | |
65 | 2 cif-symbol-array 2 na+ ! | |
66 | symname-buf /symname-buf erase | |
67 | symname-buf swap /symname-buf min cmove | |
68 | symname-buf cif-symbol-array 3 na+ ! | |
69 | -1 cif-symbol-array 4 na+ ! | |
70 | 0 cif-symbol-array 5 na+ ! | |
71 | cif-symbol-array sym-to-value call 2drop | |
72 | 2r> | |
73 | cif-symbol-array 4 na+ @ if false exit then | |
74 | 2drop cif-symbol-array 5 na+ @ true exit | |
75 | then false | |
76 | ; | |
77 | ||
78 | : do-value-to-sym ( n -- offset adr,len true | n false ) | |
79 | value-to-sym if | |
80 | dup >r | |
81 | value-to-sym-str cif-symbol-array 0 na+ ! | |
82 | 1 cif-symbol-array 1 na+ ! | |
83 | 2 cif-symbol-array 2 na+ ! | |
84 | ( n ) cif-symbol-array 3 na+ ! | |
85 | -1 cif-symbol-array 4 na+ ! | |
86 | 0 cif-symbol-array 5 na+ ! | |
87 | cif-symbol-array value-to-sym call 2drop | |
88 | r> | |
89 | cif-symbol-array 4 na+ @ l->n -1 = if false exit then | |
90 | drop | |
91 | cif-symbol-array 4 na+ @ | |
92 | cif-symbol-array 5 na+ @ cscount true exit | |
93 | then false | |
94 | ; | |
95 | ||
96 | headers | |
97 | : symbol-lookup-off ( -- ) | |
98 | sym-to-value ?dup if to prev-s2v then | |
99 | value-to-sym ?dup if to prev-v2s then | |
100 | 0 to sym-to-value 0 to value-to-sym | |
101 | ; | |
102 | : symbol-lookup-on ( -- ) | |
103 | prev-s2v ?dup if to sym-to-value then | |
104 | prev-v2s ?dup if to value-to-sym then | |
105 | ; | |
106 | ||
107 | headerless | |
108 | create err-sym-not-found ," symbol not found " | |
109 | headers | |
110 | defer sym>value ( adr,len -- adr,len false | n true ) | |
111 | : sym ( "name " -- n ) | |
112 | parse-word sym>value 0= if | |
113 | err-sym-not-found throw | |
114 | then | |
115 | ; | |
116 | ||
117 | ' do-sym-to-value is sym>value | |
118 | ||
119 | headers | |
120 | also client-services definitions | |
121 | : set-symbol-lookup ( value-to-sym sym-to-value -- old-v2s old-s2v ) | |
122 | value-to-sym sym-to-value 2swap ( old-v2s old-s2v v2s s2v ) | |
123 | is sym-to-value is value-to-sym ( old-v2s old-s2v ) | |
124 | 0 to prev-s2v 0 to prev-v2s ( old-v2s old-s2v ) | |
125 | ; | |
126 | previous definitions |