xref: /OpenGrok/opengrok-indexer/src/main/jflex/analysis/hcl/HCLProductions.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) 2010, 2016, Oracle and/or its affiliates. All rights reserved.
22 * Portions Copyright (c) 2017, 2019-2020, Chris Fraire <cfraire@me.com>.
23 */
24
25<HERE> {
26    ^ {Identifier} / {MaybeWhsp}{EOL}    {
27        chkLOC();
28        maybeHereEnd(yytext());
29    }
30}
31
32<HEREin> {
33    ^ {MaybeWhsp} {Identifier} / {MaybeWhsp}{EOL}    {
34        chkLOC();
35        maybeHereEnd(yytext());
36    }
37}
38
39<YYINITIAL> {
40    "<<" "-"? {MaybeWhsp} {Identifier}    {
41        chkLOC();
42        hereOp(yytext());
43    }
44
45    {Identifier}    {
46        chkLOC();
47        if (offerSymbol(yytext(), 0, false)) {
48            yypush(POST_IDENTIFIER);
49            if (returnOnSymbol()) {
50                return yystate();
51            }
52        }
53    }
54
55    {Numeric_literal}    {
56        chkLOC();
57        onDisjointSpanChanged(HtmlConsts.NUMBER_CLASS, yychar);
58        offer(yytext());
59        onDisjointSpanChanged(null, yychar + yylength());
60    }
61
62    \"    {
63        chkLOC();
64        yypush(QUOTED);
65        onDisjointSpanChanged(HtmlConsts.STRING_CLASS, yychar);
66        offer(yytext());
67    }
68
69    "#" | "//"    {
70        yypush(SCOMMENT);
71        onDisjointSpanChanged(HtmlConsts.COMMENT_CLASS, yychar);
72        offer(yytext());
73    }
74
75    "/*"    {
76        yypush(COMMENT);
77        onDisjointSpanChanged(HtmlConsts.COMMENT_CLASS, yychar);
78        offer(yytext());
79    }
80
81    [\{\}]    {
82        chkLOC();
83        String capture = yytext();
84        if (!maybeInterpolationEnd(capture)) {
85            offer(capture);
86        }
87    }
88}
89
90<QUOTED, STRING, HERE, HEREin> {
91    \\\\    {
92        chkLOC();
93        offer(yytext());
94    }
95}
96
97<QUOTED, STRING> {
98    \\\"    {
99        chkLOC();
100        offer(yytext());
101    }
102
103    \"    {
104        chkLOC();
105        offer(yytext());
106        yypop();
107        onDisjointSpanChanged(null, yychar + yylength());
108    }
109}
110
111<QUOTED, HERE, HEREin> {
112    /*
113     * Handle the escaping of interpolation and directive introductions as just
114     * regular quoted expression.
115     */
116    ("$$" | "%%") "{"    {
117        chkLOC();
118        offer(yytext());
119    }
120
121    // Interpolation or directive introduction
122    [$%] "{"    {
123        chkLOC();
124        offer(yytext());
125        onDisjointSpanChanged(null, yychar);
126        yypush(YYINITIAL);
127        pushData();
128        interpOp();
129    }
130}
131
132<QUOTED, STRING, HERE, HEREin> {
133    /*
134     * For HCL quoted template expressions or string literals, "literal newline
135     * sequences are not permitted," but we'll handle anyway to avoid a possible
136     * JFlex "Error: could not match input" if a user accidentally violated
137     * HCL syntax.
138     */
139
140    {MaybeWhsp}{EOL}    {
141        onDisjointSpanChanged(null, yychar);
142        onEndOfLineMatched(yytext(), yychar);
143        onDisjointSpanChanged(HtmlConsts.STRING_CLASS, yychar);
144    }
145}
146
147<COMMENT> {
148    {MaybeWhsp}{EOL}    {
149        onDisjointSpanChanged(null, yychar);
150        onEndOfLineMatched(yytext(), yychar);
151        onDisjointSpanChanged(HtmlConsts.COMMENT_CLASS, yychar);
152    }
153
154    "*/"    {
155        offer(yytext());
156        onDisjointSpanChanged(null, yychar);
157        yypop();
158    }
159}
160
161<SCOMMENT> {
162    {MaybeWhsp}{EOL}    {
163        yypushback(yylength());
164        yypop();
165        onDisjointSpanChanged(null, yychar);
166    }
167}
168
169<YYINITIAL, POST_IDENTIFIER> {
170    {MaybeWhsp}{EOL}    {
171        if (maybeHereStart()) {
172            yypushback(yylength());
173        } else {
174            onEndOfLineMatched(yytext(), yychar);
175        }
176    }
177}
178
179<POST_IDENTIFIER> {
180    \"    {
181        chkLOC();
182        yypop(); // Pop out of POST_IDENTIFIER first.
183        yypush(STRING);
184        onDisjointSpanChanged(HtmlConsts.STRING_CLASS, yychar);
185        offer(yytext());
186    }
187}
188
189<YYINITIAL, POST_IDENTIFIER, COMMENT, SCOMMENT, QUOTED, STRING, HERE, HEREin> {
190    // Only one whitespace char at a time.
191    {WhspChar} | [[\s]--[\n\r]]    {
192        offer(yytext());
193    }
194}
195
196<POST_IDENTIFIER> {
197    // Any other character after handling above causes POST_IDENTIFIER to end.
198    [^]    {
199        yypushback(yylength());
200        yypop();
201    }
202}
203
204<YYINITIAL, COMMENT, SCOMMENT, QUOTED, STRING, HERE, HEREin> {
205    // Only one char at a time.
206    [^\n\r]    {
207        chkLOC();
208        offer(yytext());
209    }
210}
211
212// "string links" and "comment links"
213<COMMENT, SCOMMENT, QUOTED, STRING, HERE, HEREin> {
214    {FPath}    {
215        chkLOC();
216        if (takeAllContent()) {
217            onPathlikeMatched(yytext(), '/', false, yychar);
218        }
219    }
220
221    {File}    {
222        chkLOC();
223        if (takeAllContent()) {
224            String path = yytext();
225            onFilelikeMatched(path, yychar);
226        }
227    }
228
229    {FNameChar}+ "@" {FNameChar}+ "." {FNameChar}+    {
230        chkLOC();
231        if (takeAllContent()) {
232            onEmailAddressMatched(yytext(), yychar);
233        }
234    }
235}
236
237<COMMENT, SCOMMENT, QUOTED, STRING, HERE, HEREin> {
238    {BrowseableURI}    {
239        chkLOC();
240        if (takeAllContent()) {
241            onUriMatched(yytext(), yychar, null);
242        }
243    }
244}
245