1 kumpf 1.10 /*//%2006///////////////////////////////////////////////////////////////////////
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2 karl 1.4 //
3 // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
4 // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
5 // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
6 // IBM Corp.; EMC Corporation, The Open Group.
7 // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
8 // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
9 // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
10 // EMC Corporation; VERITAS Software Corporation; The Open Group.
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11 karl 1.9 // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
12 // EMC Corporation; Symantec Corporation; The Open Group.
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13 karl 1.4 //
14 // Permission is hereby granted, free of charge, to any person obtaining a copy
15 // of this software and associated documentation files (the "Software"), to
16 // deal in the Software without restriction, including without limitation the
17 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
18 // sell copies of the Software, and to permit persons to whom the Software is
19 // furnished to do so, subject to the following conditions:
20 //
21 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
22 // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
23 // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
24 // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
25 // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
26 // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
27 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 //
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30 karl 1.9 //============================================================================*/
31
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32 kumpf 1.10 /* NOCHKSRC */
33
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34 mike 1.2 %option never-interactive
35 %{
36
37 extern int WQLInput(char* buffer, int& numRead, int numRequested);
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38 kumpf 1.3 extern int WQL_error(const char*);
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39 mike 1.2
40 #define YY_INPUT(BUF, NREAD, NREQUESTED) WQLInput(BUF, NREAD, NREQUESTED)
41
42 #include <Pegasus/Common/Config.h>
43 #include <Pegasus/WQL/WQLParserState.h>
44 #include <cstring>
45 #include <cassert>
46 #include "WQLYACC.h"
47
48 #if 0
49 # define WQL_TRACE(X) printf X
50 #else
51 # define WQL_TRACE(X)
52 #endif
53
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54 kumpf 1.10 /* Avoid warn_unused_result warnings in Linux RPM build */
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55 kumpf 1.11 #ifndef ECHO
56 # define ECHO do { size_t ignored = fwrite(yytext, yyleng, 1, yyout); } while(0)
57 #endif
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58 kumpf 1.10
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59 mike 1.2 PEGASUS_NAMESPACE_BEGIN
60
61 extern WQLParserState* globalParserState;
62
63 static char* CloneString(const char* str, Uint32 size = (Uint32)-1);
64
65 PEGASUS_NAMESPACE_END
66
67 PEGASUS_USING_PEGASUS;
68
69 %}
70
71 POSITIVE_DECIMAL_DIGIT [1-9]
72 DECIMAL_DIGIT [0-9]
73 BLANK [ \t\n]
74 IDENT_CHAR [A-Za-z_]
75
76 %%
77
78 [Ss][Ee][Ll][Ee][Cc][Tt] {
79
80 mike 1.2 WQL_TRACE(("LEX: %s [TOK_SELECT]\n", yytext));
81 return TOK_SELECT;
82 }
83
84 [Ff][Rr][Oo][Mm] {
85
86 WQL_TRACE(("LEX: %s [TOK_FROM]\n", yytext));
87 return TOK_FROM;
88 }
89
90 [Ww][Hh][Ee][Rr][Ee] {
91
92 WQL_TRACE(("LEX: %s [TOK_WHERE]\n", yytext));
93 return TOK_WHERE;
94 }
95
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96 karl 1.7 [Ii][Ss][Aa] {
97
98 WQL_TRACE(("LEX: %s [TOK_ISA]\n", yytext));
99 return TOK_ISA;
100 }
101
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102 karl 1.8 "\." {
103 WQL_TRACE(("LEX: %s [TOK_DOT]\n", yytext));
104 return TOK_DOT;
105 }
106
107
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108 karl 1.7
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109 mike 1.2 [Tt][Rr][Uu][Ee] {
110
111 WQL_TRACE(("LEX: %s [TOK_TRUE]\n", yytext));
112 return TOK_TRUE;
113 }
114
115 [Ff][Aa][Ll][Ss][Ee] {
116
117 WQL_TRACE(("LEX: %s [TOK_FALSE]\n", yytext));
118 return TOK_FALSE;
119 }
120
121 [Nn][Uu][Ll][Ll] {
122
123 WQL_TRACE(("LEX: %s [TOK_NULL]\n", yytext));
124 return TOK_NULL;
125 }
126
127 [Nn][Oo][Tt] {
128
129 WQL_TRACE(("LEX: %s [TOK_NOT]\n", yytext));
130 mike 1.2 return TOK_NOT;
131 }
132
133 [Aa][Nn][Dd] {
134
135 WQL_TRACE(("LEX: %s [TOK_AND]\n", yytext));
136 return TOK_AND;
137 }
138
139 [Oo][Rr] {
140
141 WQL_TRACE(("LEX: %s [TOK_OR]\n", yytext));
142 return TOK_OR;
143 }
144
145 [Ii][Ss] {
146
147 WQL_TRACE(("LEX: %s [TOK_IS]\n", yytext));
148 return TOK_IS;
149 }
150
151 mike 1.2 [-+]?{POSITIVE_DECIMAL_DIGIT}{DECIMAL_DIGIT}* {
152
153 WQL_TRACE(("LEX: %s [TOK_INTEGER]\n", yytext));
154 WQL_lval.intValue = strtol(yytext, (char**)0, 10);
155 return TOK_INTEGER;
156 }
157
158 [+-]?0 {
159
160 WQL_TRACE(("LEX: %s [TOK_INTEGER]\n", yytext));
161 WQL_lval.intValue = 0;
162 return TOK_INTEGER;
163 }
164
165 [-+]?{DECIMAL_DIGIT}*\.{DECIMAL_DIGIT}+([eE][+-]?{DECIMAL_DIGIT}+)? {
166
167 WQL_TRACE(("LEX: %s [TOK_DOUBLE]\n", yytext));
168 WQL_lval.doubleValue = strtod((char*)yytext, (char**)0);
169 return TOK_DOUBLE;
170 }
171
172 mike 1.2 \"[^\"\n]*\" {
173
174 /* ATTN-B: handle long literals by using yyinput(). */
175 /* ATTN-B: Handle expansion of special characters */
176
177 WQL_TRACE(("LEX: %s [TOK_STRING]\n", yytext));
178
179 /* Copy the string (but remove the surrounding quotes */
180
181 {
182 size_t n = strlen(yytext) - 2;
183 char* strValue = new char[n + 1];
184 memcpy(strValue, yytext + 1, n);
185 strValue[n] = '\0';
186 WQL_lval.strValue = strValue;
187 globalParserState->outstandingStrings.append(strValue);
188 }
189
190 return TOK_STRING;
191 }
192
193 mike 1.2 \"[^\"\n]*$ {
194
195 WQL_error("Unterminated string");
196 }
197
198 [\*(),] {
199
200 WQL_TRACE(("LEX: %c\n", yytext[0]));
201 return yytext[0];
202 }
203
204 "=" {
205 WQL_TRACE(("LEX: %s [TOK_EQ]\n", yytext));
206 return TOK_EQ;
207 }
208
209 "!=" {
210
211 WQL_TRACE(("LEX: %s [TOK_NE]\n", yytext));
212 return TOK_NE;
213 }
214 mike 1.2
215 "<=" {
216
217 WQL_TRACE(("LEX: %s [TOK_LE]\n", yytext));
218 return TOK_LE;
219 }
220
221 "<" {
222
223 WQL_TRACE(("LEX: %s [TOK_LT]\n", yytext));
224 return TOK_LT;
225 }
226
227 ">=" {
228
229 WQL_TRACE(("LEX: %s [TOK_GE]\n", yytext));
230 return TOK_GE;
231 }
232
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233 karl 1.6 "<>" {
234
235 WQL_TRACE(("LEX: %s [TOK_NE]\n", yytext));
236 return TOK_NE;
237 }
238
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239 mike 1.2 ">" {
240
241 WQL_TRACE(("LEX: %s [TOK_GT]\n", yytext));
242 return TOK_GT;
243 }
244
245 {IDENT_CHAR}({IDENT_CHAR}|{DECIMAL_DIGIT})* {
246
247 WQL_TRACE(("LEX: %s [TOK_IDENTIFIER]\n", yytext));
248
249 {
250 size_t n = strlen(yytext);
251 char* strValue = new char[n + 1];
252 memcpy(strValue, yytext, n);
253 strValue[n] = '\0';
254 WQL_lval.strValue = strValue;
255 globalParserState->outstandingStrings.append(strValue);
256 }
257
258 return TOK_IDENTIFIER;
259 }
260 mike 1.2
261 {BLANK}+ {
262
263 /* Ignore blanks */
264 }
265
266 . {
267 WQL_lval.intValue = 0;
268 return TOK_UNEXPECTED_CHAR;
269 }
270
271 %%
272
273 extern "C" int WQL_wrap()
274 {
275 return 1;
276 }
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