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
193
194
195
|
%{
/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2015 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
/*-------------------------------------------------------------------------
Portions of this source have been derived from makedepf90 version 2.8.8,
Copyright (C) 2000--2006 Erik Edelmann <erik.edelmann@iki.fi>
The code was originally distributed under the GPL but permission
from the copyright holder has been obtained to distribute this
derived work under the CMake license.
-------------------------------------------------------------------------*/
/*
This file must be translated to C and modified to build everywhere.
Run flex >= 2.6 like this:
flex -i --prefix=cmFortran_yy --header-file=cmFortranLexer.h -ocmFortranLexer.cxx cmFortranLexer.in.l
Modify cmFortranLexer.cxx:
- remove trailing whitespace: sed -i 's/\s*$//' cmFortranLexer.h cmFortranLexer.cxx
- remove blank lines at end of file
- remove "yyscanner = NULL" from end of cmFortran_yylex_destroy
- remove all YY_BREAK lines occurring right after return statements
- add cast in yy_scan_bytes for loop condition of _yybytes_len to size_t
*/
#include "cmStandardLexer.h"
#undef YY_NO_UNPUT
#define cmFortranLexer_cxx
#include "cmFortranParser.h" /* Interface to parser object. */
/* Replace the lexer input function. */
#undef YY_INPUT
#define YY_INPUT(buf, result, max_size) \
{ result = cmFortranParser_Input(yyextra, buf, max_size); }
/* Include the set of tokens from the parser. */
#include "cmFortranParserTokens.h"
/*--------------------------------------------------------------------------*/
%}
%option reentrant
%option noyywrap
%pointer
%s free_fmt fixed_fmt
%x str_sq str_dq
%%
\" {
cmFortranParser_StringStart(yyextra);
cmFortranParser_SetOldStartcond(yyextra, YY_START);
BEGIN(str_dq);
}
' {
cmFortranParser_StringStart(yyextra);
cmFortranParser_SetOldStartcond(yyextra, YY_START);
BEGIN(str_sq);
}
<str_dq>\" |
<str_sq>' {
BEGIN(cmFortranParser_GetOldStartcond(yyextra) );
yylvalp->string = strdup(cmFortranParser_StringEnd(yyextra));
return STRING;
}
<str_dq,str_sq>&[ \t]*\n |
<str_dq,str_sq>&[ \t]*\n[ \t]*& /* Ignore (continued strings, free fmt) */
<fixed_fmt,str_dq,str_sq>\n[ ]{5}[^ \t\n] {
if (cmFortranParser_GetOldStartcond(yyextra) == fixed_fmt)
; /* Ignore (cont. strings, fixed fmt) */
else
{
unput(yytext[strlen(yytext)-1]);
}
}
<str_dq,str_sq>\n {
unput ('\n');
BEGIN(INITIAL);
return UNTERMINATED_STRING;
}
<str_sq,str_dq>. {
cmFortranParser_StringAppend(yyextra, yytext[0]);
}
!.*\n { return EOSTMT; } /* Treat comments like */
<fixed_fmt>^[cC*dD].*\n { return EOSTMT; } /* empty lines */
^[ \t]*#([ \t]*line)?[ \t]*[0-9]+[ \t]* { return CPP_LINE_DIRECTIVE; }
^[ \t]*#[ \t]*include[ \t]*<[^>]+> {
yytext[yyleng-1] = 0;
yylvalp->string = strdup(strchr(yytext, '<')+1);
return CPP_INCLUDE_ANGLE;
}
^[ \t]*#[ \t]*include { return CPP_INCLUDE; }
\$[ \t]*include { return F90PPR_INCLUDE; }
\?\?[ \t]*include { return COCO_INCLUDE; }
^[ \t]*#[ \t]*define { return CPP_DEFINE; }
\$[ \t]*DEFINE { return F90PPR_DEFINE; }
^[ \t]*#[ \t]*undef { return CPP_UNDEF; }
\$[ \t]*UNDEF { return F90PPR_UNDEF; }
^[ \t]*#[ \t]*ifdef { return CPP_IFDEF; }
^[ \t]*#[ \t]*ifndef { return CPP_IFNDEF; }
^[ \t]*#[ \t]*if { return CPP_IF; }
^[ \t]*#[ \t]*elif { return CPP_ELIF; }
^[ \t]*#[ \t]*else { return CPP_ELSE; }
^[ \t]*#[ \t]*endif { return CPP_ENDIF; }
$[ \t]*ifdef { return F90PPR_IFDEF; }
$[ \t]*ifndef { return F90PPR_IFNDEF; }
$[ \t]*if { return F90PPR_IF; }
$[ \t]*elif { return F90PPR_ELIF; }
$[ \t]*else { return F90PPR_ELSE; }
$[ \t]*endif { return F90PPR_ENDIF; }
/* Line continuations, possible involving comments. */
&([ \t\n]*|!.*)*
&([ \t\n]*|!.*)*&
, { return COMMA; }
:: { return DCOLON; }
: { return COLON; }
<fixed_fmt>\n[ ]{5}[^ ] { return GARBAGE; }
=|=> { return ASSIGNMENT_OP; }
[Ee][Nn][Dd] { return END; }
[Ii][Nn][Cc][Ll][Uu][Dd][Ee] { return INCLUDE; }
[Ii][Nn][Tt][Ee][Rr][Ff][Aa][Cc][Ee] { return INTERFACE; }
[Mm][Oo][Dd][Uu][Ll][Ee] { return MODULE; }
[Ss][Uu][bb][Mm][Oo][Dd][Uu][Ll][Ee] { return SUBMODULE; }
[Uu][Ss][Ee] { return USE; }
[a-zA-Z_][a-zA-Z_0-9]* {
yylvalp->string = strdup(yytext);
return WORD;
}
\( { return LPAREN; }
\) { return RPAREN; }
[^ \t\n\r:;,!'"a-zA-Z=&()]+ { return GARBAGE; }
;|\n { return EOSTMT; }
[ \t\r,] /* Ignore */
\\[ \t]*\n /* Ignore line-endings preceded by \ */
. { return *yytext; }
<<EOF>> {
if(!cmFortranParser_FilePop(yyextra) )
{
return YY_NULL;
}
}
%%
/*--------------------------------------------------------------------------*/
YY_BUFFER_STATE cmFortranLexer_GetCurrentBuffer(yyscan_t yyscanner)
{
/* Hack into the internal flex-generated scanner to get the buffer. */
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
return YY_CURRENT_BUFFER;
}
|
