xref: /OpenGrok/opengrok-indexer/src/main/jflex/analysis/sql/JointSQLProductions.lexh (revision d219b4cea555a12b602d2d5518daa22134ad4879)
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * See LICENSE.txt included in this distribution for the specific
9 * language governing permissions and limitations under the License.
10 *
11 * When distributing Covered Code, include this CDDL HEADER in each
12 * file and include the License file at LICENSE.txt.
13 * If applicable, add the following below this CDDL HEADER, with the
14 * fields enclosed by brackets "[]" replaced with your own identifying
15 * information: Portions Copyright [yyyy] [name of copyright owner]
16 *
17 * CDDL HEADER END
18 */
19
20/*
21 * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
22 * Copyright (c) 2012, 2018 Oracle and/or its affiliates. All rights reserved.
23 * Portions Copyright (c) 2017, 2019, Chris Fraire <cfraire@me.com>.
24 */
25
26/*
27 *     Number and Identifier must be defined in the specific SQL dialect's .lexh
28 * file. Otherwise, JointSQL.lexh has the definitions shared among dialects.
29 *     The subclass must override getDialectKeywords() to return the appropriate
30 * Set for the dialect.
31 */
32
33%state STRING QUOTED_IDENTIFIER SINGLE_LINE_COMMENT BRACKETED_COMMENT
34
35%%
36
37<YYINITIAL> {
38    {Identifier} {
39        chkLOC();
40        if (offerSymbol(yytext(), 0, false) && returnOnSymbol()) {
41            return yystate();
42        }
43    }
44
45    {Number} {
46        chkLOC();
47        onDisjointSpanChanged(HtmlConsts.NUMBER_CLASS, yychar);
48        offer(yytext());
49        onDisjointSpanChanged(null, yychar);
50    }
51
52    [nN]? "'"    {
53        chkLOC();
54        String capture = yytext();
55        String prefix = capture.substring(0, capture.length() - 1);
56        String rest = capture.substring(prefix.length());
57        offer(prefix);
58        yypush(STRING);
59        onDisjointSpanChanged(HtmlConsts.STRING_CLASS, yychar);
60        offer(rest);
61    }
62
63    \"    {
64        chkLOC();
65        yypush(QUOTED_IDENTIFIER);
66        onDisjointSpanChanged(HtmlConsts.STRING_CLASS, yychar);
67        offer(yytext());
68    }
69
70    "--"    {
71        yypush(SINGLE_LINE_COMMENT);
72        onDisjointSpanChanged(HtmlConsts.COMMENT_CLASS, yychar);
73        offer(yytext());
74    }
75}
76
77<STRING> {
78    "''"    {
79        chkLOC();
80        offer(yytext());
81    }
82    "'"    {
83        chkLOC();
84        offer(yytext());
85        yypop();
86    }
87}
88
89<QUOTED_IDENTIFIER> {
90    \"\"    {
91        chkLOC();
92        offer(yytext());
93    }
94    \"    {
95        chkLOC();
96        offer(yytext());
97        yypop();
98    }
99}
100
101<SINGLE_LINE_COMMENT> {
102    {WhspChar}*{EOL} {
103        yypop();
104        onEndOfLineMatched(yytext(), yychar);
105    }
106}
107
108<YYINITIAL, BRACKETED_COMMENT> {
109    "/*" {
110        if (commentLevel++ == 0) {
111            yypush(BRACKETED_COMMENT);
112            onDisjointSpanChanged(HtmlConsts.COMMENT_CLASS, yychar);
113        }
114        offer(yytext());
115    }
116}
117
118<BRACKETED_COMMENT> {
119    "*/" {
120        offer(yytext());
121        if (--commentLevel == 0) {
122            yypop();
123        }
124    }
125}
126
127<YYINITIAL, STRING, QUOTED_IDENTIFIER, SINGLE_LINE_COMMENT, BRACKETED_COMMENT> {
128    {WhspChar}*{EOL}    {
129        onEndOfLineMatched(yytext(), yychar);
130    }
131    [[\s]--[\n]]    {
132        offer(yytext());
133    }
134    [^\n]    {
135        chkLOC();
136        offer(yytext());
137    }
138}
139
140<STRING> {
141    {BrowseableURI}    {
142        chkLOC();
143        if (takeAllContent()) {
144            onUriMatched(yytext(), yychar, SQLUtils.STRINGLITERAL_APOS_DELIMITER);
145        }
146    }
147}
148
149<QUOTED_IDENTIFIER, SINGLE_LINE_COMMENT> {
150    {BrowseableURI}    {
151        chkLOC();
152        if (takeAllContent()) {
153            onUriMatched(yytext(), yychar);
154        }
155    }
156}
157
158<BRACKETED_COMMENT> {
159    {BrowseableURI}    {
160        if (takeAllContent()) {
161            onUriMatched(yytext(), yychar, StringUtils.END_C_COMMENT);
162        }
163    }
164}
165