1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
/* Copyright (C) 1999-2016
* Smithsonian Astrophysical Observatory, Cambridge, MA, USA
* For conditions of distribution and use, see copyright notice in "copyright"
*/
%option noyywrap
%option caseless
%option never-interactive
%option c++
%{
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "util.h"
#include "prosparser.H"
extern YYSTYPE* proslval;
extern prosFlexLexer* proslexx;
%}
%x DISCARD
D [0-9]
E [Ee][+-]?{D}+
/* rules */
%%
<DISCARD>[\n] { // special case-- #\n
BEGIN INITIAL;
yyless(0); // put back the terminator
strcpy(proslval->str,""); // feed a blank string
return STRING;
}
<DISCARD>[^\n]* { // Discard reset of line
BEGIN INITIAL;
int ll = yyleng <(PROSBUFSIZE-1) ? yyleng:(PROSBUFSIZE-1);
strncpy(proslval->str,yytext,ll);
proslval->str[ll] = '\0';
return STRING;
}
annulus {return ANNULUS_;}
b1950 {return B1950_;}
box {return BOX_;}
circle {return CIRCLE_;}
debug {return DEBUG_;}
ellipse {return ELLIPSE_;}
ecliptic {return ECLIPTIC_;}
equatorial {return EQUATORIAL_;}
galactic {return GALACTIC_;}
j2000 {return J2000_;}
logical {return LOGICAL_;}
n {return N_;}
off {return OFF_;}
on {return ON_;}
physical {return PHYSICAL_;}
point {return POINT_;}
polygon {return POLYGON_;}
rotbox {return ROTBOX_;}
version {return VERSION_;}
[+-]?{D}+ { // Integer
proslval->integer = atoi(yytext);
return INT;
}
[+-]?{D}+"."?({E})? |
[+-]?{D}*"."{D}+({E})? { // Real Number
proslval->real = atof(yytext);
return REAL;
}
[+-]?{D}+"."?d |
[+-]?{D}*"."{D}+d { // degrees
yytext[yyleng-1] = '\0';
proslval->real = atof(yytext);
return ANGDEGREE;
}
[+-]?{D}+"."?r |
[+-]?{D}*"."{D}+r { // radians
yytext[yyleng-1] = '\0';
proslval->real = atof(yytext);
return ANGRADIAN;
}
{D}+"."?' |
{D}*"."{D}+' |
[+-]?{D}+"."?({E})?' |
[+-]?{D}*"."{D}+({E})?' { // minutes of arc
yytext[yyleng-1] = '\0';
proslval->real = atof(yytext);
return ARCMINUTE;
}
{D}+"."?\" |
{D}*"."{D}+\" |
[+-]?{D}+"."?({E})?\" |
[+-]?{D}*"."{D}+({E})?\" { // seconds of arc
yytext[yyleng-1] = '\0';
proslval->real = atof(yytext);
return ARCSECOND;
}
[+-]?{D}+:{D}+:{D}+"."? |
[+-]?{D}+:{D}+:{D}*"."{D}+ { // Sexagesimal
int ll = yyleng <(PROSBUFSIZE-1) ? yyleng:(PROSBUFSIZE-1);
strncpy(proslval->str,yytext,ll);
proslval->str[ll] = '\0';
return SEXSTR;
}
[+-]?{D}+h{D}+m{D}+"."?s |
[+-]?{D}+h{D}+m{D}*"."{D}+s { // HMS
int ll = yyleng <(PROSBUFSIZE-1) ? yyleng:(PROSBUFSIZE-1);
strncpy(proslval->str,yytext,ll);
proslval->str[ll] = '\0';
return HMSSTR;
}
[+-]?{D}+d{D}+m{D}+"."?s |
[+-]?{D}+d{D}+m{D}*"."{D}+s { // DMS
int ll = yyleng <(PROSBUFSIZE-1) ? yyleng:(PROSBUFSIZE-1);
strncpy(proslval->str,yytext,ll);
proslval->str[ll] = '\0';
return DMSSTR;
}
\"[^\"\n]*\" |
\'[^\'\n]*\' { // Quoted String
int ll=(yyleng-2)<(PROSBUFSIZE-1)?(yyleng-2):(PROSBUFSIZE-1);
strncpy(proslval->str,yytext+1,ll); // skip the " "
proslval->str[ll] = '\0'; // Remove the '"'
return STRING;
}
\{[^\}\n]*\} { // Quoted String
int ll=(yyleng-2)<(PROSBUFSIZE-1)?(yyleng-2):(PROSBUFSIZE-1);
strncpy(proslval->str,yytext+1,ll); // skip the '{'
proslval->str[ll] = '\0'; // Remove the '}'
return STRING;
}
[0-9A-Za-z]+ { // General String
int ll = yyleng <(PROSBUFSIZE-1) ? yyleng:(PROSBUFSIZE-1);
strncpy(proslval->str,yytext,ll);
proslval->str[ll] = '\0';
return STRING;
}
[ \t]+ { // White Spaces
}
\r\n { // windows line feed
return '\n';
}
\\n { // fake line feed
return '\n';
}
\n { // linefeed
return '\n';
}
<<EOF>> { // eof
return EOF_;
}
. { // Else, return the char
return yytext[0];
}
%%
void prosDiscard(int doit)
{
if (proslexx)
proslexx->begin(DISCARD, doit);
}
void prosFlexLexer::begin(int which, int doit)
{
BEGIN which;
if (doit)
yyless(0);
}
|
