File: harp-operation-scanner.l

package info (click to toggle)
harp 1.5%2Bdata-3
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 54,032 kB
  • sloc: xml: 286,510; ansic: 143,710; yacc: 1,910; python: 913; makefile: 600; lex: 574; sh: 69
file content (178 lines) | stat: -rw-r--r-- 6,991 bytes parent folder | download
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
/*
 * Copyright (C) 2015-2018 S[&]T, The Netherlands.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/* *INDENT-OFF* */

%option prefix="harp_operation_parser_"
%option noyywrap
%option noinput
%option nounput
%option always-interactive

%{
#include <stdlib.h>
#include <string.h>

#include "harp-operation.h"
#include "harp-program.h"

typedef struct harp_sized_array_struct harp_sized_array;

#include "harp-operation-parser.h"

%}

INTEGER      [0-9]+
SIGN         [+-]
FL_MANTISSA  ({INTEGER}".")|("."{INTEGER})|({INTEGER}"."{INTEGER})
FL_EXPONENT  [Ee]{SIGN}?{INTEGER}
FLOAT        ({FL_MANTISSA}{FL_EXPONENT}?)|({INTEGER}{FL_EXPONENT})
IDENTIFIER   [[:alpha:]][[:alnum:]_]*
WHITESPACE   [[:space:]]+

%%

"\""([^\"\\]|\\.)*"\""  {
                            yylval.string_val = (char *)malloc(yyleng - 1);
                            memcpy(yylval.string_val, yytext + 1, yyleng - 2);
                            yylval.string_val[yyleng - 2] = '\0';
                            return STRING_VALUE;
                        }
"["([^\[])*"]"          {
                            yylval.string_val = (char *)malloc(yyleng - 1);
                            memcpy(yylval.string_val, yytext + 1, yyleng - 2);
                            yylval.string_val[yyleng - 2] = '\0';
                            return UNIT;
                        }

"=="                    return EQUAL;
"!="                    return NOT_EQUAL;
">="                    return GREATER_EQUAL;
"<="                    return LESS_EQUAL;
"=&"                    return BIT_AND;
"!&"                    return BIT_NAND;

"nan"                   return NAN;
"inf"                   return INF;
"not"                   return NOT;
"in"                    return IN;

"a"                     return ID_A;
"b"                     return ID_B;

"area_covers_area"      return FUNC_AREA_COVERS_AREA;
"area_covers_point"     return FUNC_AREA_COVERS_POINT;
"area_inside_area"      return FUNC_AREA_INSIDE_AREA;
"area_intersects_area"  return FUNC_AREA_INTERSECTS_AREA;
"bin"                   return FUNC_BIN;
"bin_spatial"           return FUNC_BIN_SPATIAL;
"collocate_left"        return FUNC_COLLOCATE_LEFT;
"collocate_right"       return FUNC_COLLOCATE_RIGHT;
"derive"                return FUNC_DERIVE;
"derive_smoothed_column"	return FUNC_DERIVE_SMOOTHED_COLUMN;
"exclude"               return FUNC_EXCLUDE;
"flatten"               return FUNC_FLATTEN;
"keep"                  return FUNC_KEEP;
"longitude_range"       return FUNC_LONGITUDE_RANGE;
"point_distance"        return FUNC_POINT_DISTANCE;
"point_in_area"         return FUNC_POINT_IN_AREA;
"regrid"                return FUNC_REGRID;
"rename"                return FUNC_RENAME;
"set"                   return FUNC_SET;
"smooth"                return FUNC_SMOOTH;
"sort"                  return FUNC_SORT;
"valid"                 return FUNC_VALID;
"wrap"                  return FUNC_WRAP;

"int8"                  {
                            yylval.int32_val = harp_type_int8;
                            return DATATYPE;
                        }
"int16"                 {
                            yylval.int32_val = harp_type_int16;
                            return DATATYPE;
                        }
"int32"                 {
                            yylval.int32_val = harp_type_int32;
                            return DATATYPE;
                        }
"float"                 {
                            yylval.int32_val = harp_type_float;
                            return DATATYPE;
                        }
"double"                {
                            yylval.int32_val = harp_type_double;
                            return DATATYPE;
                        }
"string"                {
                            yylval.int32_val = harp_type_string;
                            return DATATYPE;
                        }

"time"                  {
                            yylval.int32_val = harp_dimension_time;
                            return DIMENSION;
                        }
"latitude"              {
                            yylval.int32_val = harp_dimension_latitude;
                            return DIMENSION;
                        }
"longitude"             {
                            yylval.int32_val = harp_dimension_longitude;
                            return DIMENSION;
                        }
"vertical"              {
                            yylval.int32_val = harp_dimension_vertical;
                            return DIMENSION;
                        }
"spectral"              {
                            yylval.int32_val = harp_dimension_spectral;
                            return DIMENSION;
                        }
"independent"           {
                            yylval.int32_val = harp_dimension_independent;
                            return DIMENSION;
                        }

{IDENTIFIER}            {
                            yylval.string_val = strdup(yytext);
                            return NAME;
                        }
{INTEGER}               {
                            yylval.string_val = strdup(yytext);
                            return INTEGER_VALUE;
                        }
{FLOAT}                 {
                            yylval.string_val = strdup(yytext);
                            return DOUBLE_VALUE;
                        }
{WHITESPACE}            /* eat whitespace */
.                       return (*yytext);