| 2 |
7u83 |
1 |
/*
|
|
|
2 |
Crown Copyright (c) 1997
|
|
|
3 |
|
|
|
4 |
This TenDRA(r) Computer Program is subject to Copyright
|
|
|
5 |
owned by the United Kingdom Secretary of State for Defence
|
|
|
6 |
acting through the Defence Evaluation and Research Agency
|
|
|
7 |
(DERA). It is made available to Recipients with a
|
|
|
8 |
royalty-free licence for its use, reproduction, transfer
|
|
|
9 |
to other parties and amendment for any purpose not excluding
|
|
|
10 |
product development provided that any such use et cetera
|
|
|
11 |
shall be deemed to be acceptance of the following conditions:-
|
|
|
12 |
|
|
|
13 |
(1) Its Recipients shall ensure that this Notice is
|
|
|
14 |
reproduced upon any copies or amended versions of it;
|
|
|
15 |
|
|
|
16 |
(2) Any amended version of it shall be clearly marked to
|
|
|
17 |
show both the nature of and the organisation responsible
|
|
|
18 |
for the relevant amendment or amendments;
|
|
|
19 |
|
|
|
20 |
(3) Its onward transfer from a recipient to another
|
|
|
21 |
party shall be deemed to be that party's acceptance of
|
|
|
22 |
these conditions;
|
|
|
23 |
|
|
|
24 |
(4) DERA gives no warranty or assurance as to its
|
|
|
25 |
quality or suitability for any purpose and DERA accepts
|
|
|
26 |
no liability whatsoever in relation to any use to which
|
|
|
27 |
it may be put.
|
|
|
28 |
*/
|
|
|
29 |
|
|
|
30 |
/*
|
|
|
31 |
AUTOMATICALLY GENERATED BY lexi VERSION 1.1
|
|
|
32 |
*/
|
|
|
33 |
|
|
|
34 |
|
|
|
35 |
/* LOOKUP TABLE */
|
|
|
36 |
|
|
|
37 |
static unsigned char lookup_tab [257] = {
|
|
|
38 |
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
39 |
0x0000, 0x0001, 0x0001, 0x0000, 0x0000, 0x0001, 0x0000, 0x0000,
|
|
|
40 |
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
41 |
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
42 |
0x0001, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
43 |
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
44 |
0x000c, 0x000c, 0x000c, 0x000c, 0x000c, 0x000c, 0x000c, 0x000c,
|
|
|
45 |
0x000c, 0x000c, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
46 |
0x0000, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a,
|
|
|
47 |
0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a,
|
|
|
48 |
0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a,
|
|
|
49 |
0x000a, 0x000a, 0x000a, 0x0000, 0x0000, 0x0000, 0x0000, 0x000a,
|
|
|
50 |
0x0000, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a,
|
|
|
51 |
0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a,
|
|
|
52 |
0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a,
|
|
|
53 |
0x000a, 0x000a, 0x000a, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
54 |
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
55 |
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
56 |
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
57 |
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
58 |
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
59 |
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
60 |
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
61 |
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
62 |
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
63 |
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
64 |
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
65 |
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
66 |
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
67 |
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
68 |
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
69 |
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
|
|
|
70 |
0x0000
|
|
|
71 |
} ;
|
|
|
72 |
|
|
|
73 |
#ifndef LEX_EOF
|
|
|
74 |
#define LEX_EOF 256
|
|
|
75 |
#endif
|
|
|
76 |
|
|
|
77 |
#define lookup_char( C ) ( ( int ) lookup_tab [ ( C ) ] )
|
|
|
78 |
#define is_white( T ) ( ( T ) & 0x0001 )
|
|
|
79 |
#define is_alpha( T ) ( ( T ) & 0x0002 )
|
|
|
80 |
#define is_digit( T ) ( ( T ) & 0x0004 )
|
|
|
81 |
#define is_alphanum( T ) ( ( T ) & 0x0008 )
|
|
|
82 |
|
|
|
83 |
#ifndef PROTO_Z
|
|
|
84 |
#ifdef __STDC__
|
|
|
85 |
#define PROTO_Z() ( void )
|
|
|
86 |
#else
|
|
|
87 |
#define PROTO_Z() ()
|
|
|
88 |
#endif
|
|
|
89 |
#endif
|
|
|
90 |
|
|
|
91 |
|
|
|
92 |
/* MAIN PASS ANALYSER */
|
|
|
93 |
|
|
|
94 |
int read_token PROTO_Z ()
|
|
|
95 |
{
|
|
|
96 |
start : {
|
|
|
97 |
int c0 = read_char (), t0 ;
|
|
|
98 |
t0 = lookup_char ( c0 ) ;
|
|
|
99 |
if ( is_white ( t0 ) ) goto start ;
|
|
|
100 |
switch ( c0 ) {
|
|
|
101 |
case '!' : {
|
|
|
102 |
return ( lex_exclaim ) ;
|
|
|
103 |
}
|
|
|
104 |
case '"' : {
|
|
|
105 |
return ( get_string ( c0 ) ) ;
|
|
|
106 |
}
|
|
|
107 |
case '#' : {
|
|
|
108 |
return ( get_comment ( c0 ) ) ;
|
|
|
109 |
}
|
|
|
110 |
case '$' : {
|
|
|
111 |
int c1 = read_char (), t1 ;
|
|
|
112 |
t1 = lookup_char ( c1 ) ;
|
|
|
113 |
if ( is_alpha ( t1 ) ) {
|
|
|
114 |
return ( get_variable ( c0, c1 ) ) ;
|
|
|
115 |
}
|
|
|
116 |
unread_char ( c1 ) ;
|
|
|
117 |
break ;
|
|
|
118 |
}
|
|
|
119 |
case '%' : {
|
|
|
120 |
int c1 = read_char () ;
|
|
|
121 |
if ( c1 == '%' ) {
|
|
|
122 |
return ( get_text ( c0, c1 ) ) ;
|
|
|
123 |
}
|
|
|
124 |
unread_char ( c1 ) ;
|
|
|
125 |
break ;
|
|
|
126 |
}
|
|
|
127 |
case '(' : {
|
|
|
128 |
return ( lex_open_Hround ) ;
|
|
|
129 |
}
|
|
|
130 |
case ')' : {
|
|
|
131 |
return ( lex_close_Hround ) ;
|
|
|
132 |
}
|
|
|
133 |
case '*' : {
|
|
|
134 |
return ( lex_star ) ;
|
|
|
135 |
}
|
|
|
136 |
case '+' : {
|
|
|
137 |
int c1 = read_char (), t1 ;
|
|
|
138 |
t1 = lookup_char ( c1 ) ;
|
|
|
139 |
if ( is_alpha ( t1 ) ) {
|
|
|
140 |
return ( get_command ( c0, c1 ) ) ;
|
|
|
141 |
}
|
|
|
142 |
unread_char ( c1 ) ;
|
|
|
143 |
break ;
|
|
|
144 |
}
|
|
|
145 |
case ',' : {
|
|
|
146 |
return ( lex_comma ) ;
|
|
|
147 |
}
|
|
|
148 |
case '-' : {
|
|
|
149 |
return ( lex_minus ) ;
|
|
|
150 |
}
|
|
|
151 |
case '.' : {
|
|
|
152 |
int c1 = read_char () ;
|
|
|
153 |
if ( c1 == '.' ) {
|
|
|
154 |
int c2 = read_char () ;
|
|
|
155 |
if ( c2 == '.' ) {
|
|
|
156 |
return ( lex_ellipsis ) ;
|
|
|
157 |
}
|
|
|
158 |
unread_char ( c2 ) ;
|
|
|
159 |
return ( lex_dot_Hdot ) ;
|
|
|
160 |
}
|
|
|
161 |
unread_char ( c1 ) ;
|
|
|
162 |
return ( lex_dot ) ;
|
|
|
163 |
}
|
|
|
164 |
case '/' : {
|
|
|
165 |
int c1 = read_char () ;
|
|
|
166 |
if ( c1 == '*' ) {
|
|
|
167 |
return ( get_c_comment ( c0, c1 ) ) ;
|
|
|
168 |
}
|
|
|
169 |
unread_char ( c1 ) ;
|
|
|
170 |
break ;
|
|
|
171 |
}
|
|
|
172 |
case ':' : {
|
|
|
173 |
int c1 = read_char () ;
|
|
|
174 |
if ( c1 == '=' ) {
|
|
|
175 |
return ( lex_assign ) ;
|
|
|
176 |
}
|
|
|
177 |
unread_char ( c1 ) ;
|
|
|
178 |
return ( lex_colon ) ;
|
|
|
179 |
}
|
|
|
180 |
case ';' : {
|
|
|
181 |
return ( lex_semicolon ) ;
|
|
|
182 |
}
|
|
|
183 |
case '=' : {
|
|
|
184 |
return ( lex_equal ) ;
|
|
|
185 |
}
|
|
|
186 |
case '?' : {
|
|
|
187 |
return ( lex_question ) ;
|
|
|
188 |
}
|
|
|
189 |
case '[' : {
|
|
|
190 |
return ( lex_open_Hsquare ) ;
|
|
|
191 |
}
|
|
|
192 |
case ']' : {
|
|
|
193 |
return ( lex_close_Hsquare ) ;
|
|
|
194 |
}
|
|
|
195 |
case '{' : {
|
|
|
196 |
return ( lex_open_Hbrace ) ;
|
|
|
197 |
}
|
|
|
198 |
case '|' : {
|
|
|
199 |
return ( lex_or ) ;
|
|
|
200 |
}
|
|
|
201 |
case '}' : {
|
|
|
202 |
return ( lex_close_Hbrace ) ;
|
|
|
203 |
}
|
|
|
204 |
case '~' : {
|
|
|
205 |
int c1 = read_char (), t1 ;
|
|
|
206 |
t1 = lookup_char ( c1 ) ;
|
|
|
207 |
if ( is_alpha ( t1 ) ) {
|
|
|
208 |
return ( get_local ( c0, c1 ) ) ;
|
|
|
209 |
}
|
|
|
210 |
unread_char ( c1 ) ;
|
|
|
211 |
break ;
|
|
|
212 |
}
|
|
|
213 |
case LEX_EOF : {
|
|
|
214 |
return ( lex_eof ) ;
|
|
|
215 |
}
|
|
|
216 |
}
|
|
|
217 |
if ( is_alpha ( t0 ) ) {
|
|
|
218 |
return ( get_global ( c0 ) ) ;
|
|
|
219 |
} else if ( is_digit ( t0 ) ) {
|
|
|
220 |
return ( get_number ( c0 ) ) ;
|
|
|
221 |
}
|
|
|
222 |
return ( unknown_token ( c0 ) ) ;
|
|
|
223 |
}
|
|
|
224 |
}
|