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
|
/* -*- C++ -*- */
/*
* Copyright © 2004-2011 Ondra Kamenik
* Copyright © 2019 Dynare Team
*
* This file is part of Dynare.
*
* Dynare is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Dynare is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Dynare. If not, see <https://www.gnu.org/licenses/>.
*/
%{
#include "location.hh"
#include "formula_tab.hh"
#define YY_USER_ACTION SET_LLOC(fmla_);
%}
%option nounput
%option noyy_top_state
%option stack
%option yylineno
%option prefix="fmla_"
%option never-interactive
%x CMT
%%
/* comments */
<*>"/*" {yy_push_state(CMT);}
<CMT>[^*\n]*
<CMT>"*"+[^*/\n]*
<CMT>"*"+"/" {yy_pop_state();}
<CMT>[\n]
"//".*\n
/* initial spaces or tabs are ignored */
[ \t\r\n]
[+] {return YPLUS;}
[-] {return YMINUS;}
[*] {return YTIMES;}
[/] {return YDIVIDE;}
[\^] {return YPOWER;}
exp {return YEXP;}
log {return YLOG;}
sin {return YSIN;}
cos {return YCOS;}
tan {return YTAN;}
sqrt {return YSQRT;}
erf {return YERF;}
erfc {return YERFC;}
diff {return YDIFF;}
/* names: parameters, variables (lagged/leaded) */
[A-Za-z_][A-Za-z0-9_]*([\(\{][+-]?[0-9]+[\)\}])? {
fmla_lval.string=fmla_text;
return NAME;
}
/* floating point numbers */
(([0-9]*\.?[0-9]+)|([0-9]+\.))([edED][-+]?[0-9]+)? {
fmla_lval.string=fmla_text;
return DNUMBER;
}
= {return EQUAL_SIGN;}
. {return fmla_text[0];}
%%
int
fmla_wrap()
{
return 1;
}
void
fmla__destroy_buffer(void* p)
{
fmla__delete_buffer(static_cast<YY_BUFFER_STATE>(p));
}
|
