1 karl 1.15 /*
2 //%LICENSE////////////////////////////////////////////////////////////////
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3 martin 1.13 //
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4 martin 1.12 // Licensed to The Open Group (TOG) under one or more contributor license
5 // agreements. Refer to the OpenPegasusNOTICE.txt file distributed with
6 // this work for additional information regarding copyright ownership.
7 // Each contributor licenses this file to you under the OpenPegasus Open
8 // Source License; you may not use this file except in compliance with the
9 // License.
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10 martin 1.13 //
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11 martin 1.12 // Permission is hereby granted, free of charge, to any person obtaining a
12 // copy of this software and associated documentation files (the "Software"),
13 // to deal in the Software without restriction, including without limitation
14 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
15 // and/or sell copies of the Software, and to permit persons to whom the
16 // Software is furnished to do so, subject to the following conditions:
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17 martin 1.13 //
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18 martin 1.12 // The above copyright notice and this permission notice shall be included
19 // in all copies or substantial portions of the Software.
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20 martin 1.13 //
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21 martin 1.12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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22 martin 1.13 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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23 martin 1.12 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
24 // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
25 // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
26 // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
27 // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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28 martin 1.13 //
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29 karl 1.15 /////////////////////////////////////////////////////////////////////////
30 */
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31 karl 1.9
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32 kumpf 1.10
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33 mike 1.2 %option never-interactive
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34 dl.meetei 1.18 %option nounput
35 %option noinput
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36 mike 1.2 %{
37
38 extern int WQLInput(char* buffer, int& numRead, int numRequested);
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39 kumpf 1.3 extern int WQL_error(const char*);
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40 mike 1.2
41 #define YY_INPUT(BUF, NREAD, NREQUESTED) WQLInput(BUF, NREAD, NREQUESTED)
42
43 #include <Pegasus/Common/Config.h>
44 #include <Pegasus/WQL/WQLParserState.h>
45 #include <cstring>
46 #include <cassert>
47 #include "WQLYACC.h"
48
49 #if 0
50 # define WQL_TRACE(X) printf X
51 #else
52 # define WQL_TRACE(X)
53 #endif
54
55 PEGASUS_NAMESPACE_BEGIN
56
57 extern WQLParserState* globalParserState;
58
59 PEGASUS_NAMESPACE_END
60
61 mike 1.2 PEGASUS_USING_PEGASUS;
62
63 %}
64
65 POSITIVE_DECIMAL_DIGIT [1-9]
66 DECIMAL_DIGIT [0-9]
67 BLANK [ \t\n]
68 IDENT_CHAR [A-Za-z_]
69
70 %%
71
72 [Ss][Ee][Ll][Ee][Cc][Tt] {
73
74 WQL_TRACE(("LEX: %s [TOK_SELECT]\n", yytext));
75 return TOK_SELECT;
76 }
77
78 [Ff][Rr][Oo][Mm] {
79
80 WQL_TRACE(("LEX: %s [TOK_FROM]\n", yytext));
81 return TOK_FROM;
82 mike 1.2 }
83
84 [Ww][Hh][Ee][Rr][Ee] {
85
86 WQL_TRACE(("LEX: %s [TOK_WHERE]\n", yytext));
87 return TOK_WHERE;
88 }
89
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90 karl 1.7 [Ii][Ss][Aa] {
91
92 WQL_TRACE(("LEX: %s [TOK_ISA]\n", yytext));
93 return TOK_ISA;
94 }
95
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96 karl 1.8 "\." {
97 WQL_TRACE(("LEX: %s [TOK_DOT]\n", yytext));
98 return TOK_DOT;
99 }
100
101
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102 karl 1.7
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103 mike 1.2 [Tt][Rr][Uu][Ee] {
104
105 WQL_TRACE(("LEX: %s [TOK_TRUE]\n", yytext));
106 return TOK_TRUE;
107 }
108
109 [Ff][Aa][Ll][Ss][Ee] {
110
111 WQL_TRACE(("LEX: %s [TOK_FALSE]\n", yytext));
112 return TOK_FALSE;
113 }
114
115 [Nn][Uu][Ll][Ll] {
116
117 WQL_TRACE(("LEX: %s [TOK_NULL]\n", yytext));
118 return TOK_NULL;
119 }
120
121 [Nn][Oo][Tt] {
122
123 WQL_TRACE(("LEX: %s [TOK_NOT]\n", yytext));
124 mike 1.2 return TOK_NOT;
125 }
126
127 [Aa][Nn][Dd] {
128
129 WQL_TRACE(("LEX: %s [TOK_AND]\n", yytext));
130 return TOK_AND;
131 }
132
133 [Oo][Rr] {
134
135 WQL_TRACE(("LEX: %s [TOK_OR]\n", yytext));
136 return TOK_OR;
137 }
138
139 [Ii][Ss] {
140
141 WQL_TRACE(("LEX: %s [TOK_IS]\n", yytext));
142 return TOK_IS;
143 }
144
145 mike 1.2 [-+]?{POSITIVE_DECIMAL_DIGIT}{DECIMAL_DIGIT}* {
146
147 WQL_TRACE(("LEX: %s [TOK_INTEGER]\n", yytext));
148 WQL_lval.intValue = strtol(yytext, (char**)0, 10);
149 return TOK_INTEGER;
150 }
151
152 [+-]?0 {
153
154 WQL_TRACE(("LEX: %s [TOK_INTEGER]\n", yytext));
155 WQL_lval.intValue = 0;
156 return TOK_INTEGER;
157 }
158
159 [-+]?{DECIMAL_DIGIT}*\.{DECIMAL_DIGIT}+([eE][+-]?{DECIMAL_DIGIT}+)? {
160
161 WQL_TRACE(("LEX: %s [TOK_DOUBLE]\n", yytext));
162 WQL_lval.doubleValue = strtod((char*)yytext, (char**)0);
163 return TOK_DOUBLE;
164 }
165
166 mike 1.2 \"[^\"\n]*\" {
167
168 /* ATTN-B: handle long literals by using yyinput(). */
169 /* ATTN-B: Handle expansion of special characters */
170
171 WQL_TRACE(("LEX: %s [TOK_STRING]\n", yytext));
172
173 /* Copy the string (but remove the surrounding quotes */
174
175 {
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176 karl 1.14 size_t n = strlen(yytext) - 2;
177 char* strValue = new char[n + 1];
178 memcpy(strValue, yytext + 1, n);
179 strValue[n] = '\0';
180 WQL_lval.strValue = strValue;
181 globalParserState->outstandingStrings.append(strValue);
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182 mike 1.2 }
183
184 return TOK_STRING;
185 }
186
187 \"[^\"\n]*$ {
188
189 WQL_error("Unterminated string");
190 }
191
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192 kumpf 1.16 [\*(),] {
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193 mike 1.2
194 WQL_TRACE(("LEX: %c\n", yytext[0]));
195 return yytext[0];
196 }
197
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198 kumpf 1.16 "=" {
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199 mike 1.2 WQL_TRACE(("LEX: %s [TOK_EQ]\n", yytext));
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200 kumpf 1.16 return TOK_EQ;
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201 mike 1.2 }
202
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203 kumpf 1.16 "!=" {
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204 mike 1.2
205 WQL_TRACE(("LEX: %s [TOK_NE]\n", yytext));
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206 kumpf 1.16 return TOK_NE;
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207 mike 1.2 }
208
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209 kumpf 1.16 "<=" {
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210 mike 1.2
211 WQL_TRACE(("LEX: %s [TOK_LE]\n", yytext));
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212 kumpf 1.16 return TOK_LE;
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213 mike 1.2 }
214
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215 kumpf 1.16 "<" {
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216 mike 1.2
217 WQL_TRACE(("LEX: %s [TOK_LT]\n", yytext));
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218 kumpf 1.16 return TOK_LT;
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219 mike 1.2 }
220
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221 kumpf 1.16 ">=" {
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222 mike 1.2
223 WQL_TRACE(("LEX: %s [TOK_GE]\n", yytext));
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224 kumpf 1.16 return TOK_GE;
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225 mike 1.2 }
226
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227 kumpf 1.16 "<>" {
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228 karl 1.6
229 WQL_TRACE(("LEX: %s [TOK_NE]\n", yytext));
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230 kumpf 1.16 return TOK_NE;
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231 karl 1.6 }
232
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233 kumpf 1.16 ">" {
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234 mike 1.2
235 WQL_TRACE(("LEX: %s [TOK_GT]\n", yytext));
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236 kumpf 1.16 return TOK_GT;
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237 mike 1.2 }
238
239 {IDENT_CHAR}({IDENT_CHAR}|{DECIMAL_DIGIT})* {
240
241 WQL_TRACE(("LEX: %s [TOK_IDENTIFIER]\n", yytext));
242
243 {
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244 karl 1.14 size_t n = strlen(yytext);
245 char* strValue = new char[n + 1];
246 memcpy(strValue, yytext, n);
247 strValue[n] = '\0';
248 WQL_lval.strValue = strValue;
249 globalParserState->outstandingStrings.append(strValue);
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250 mike 1.2 }
251
252 return TOK_IDENTIFIER;
253 }
254
255 {BLANK}+ {
256
257 /* Ignore blanks */
258 }
259
260 . {
261 WQL_lval.intValue = 0;
262 return TOK_UNEXPECTED_CHAR;
263 }
264
265 %%
266
267 extern "C" int WQL_wrap()
268 {
269 return 1;
270 }
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