xref: /OpenGrok/opengrok-indexer/src/main/jflex/analysis/fortran/FortranXref.lex (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) 2009, 2021, Oracle and/or its affiliates. All rights reserved.
22  * Portions Copyright (c) 2017, 2019, Chris Fraire <cfraire@me.com>.
23  */
24 
25 /*
26  * Cross reference a Fortran file
27  */
28 package org.opengrok.indexer.analysis.fortran;
29 
30 import java.io.IOException;
31 import org.opengrok.indexer.analysis.JFlexSymbolMatcher;
32 import org.opengrok.indexer.web.HtmlConsts;
33 %%
34 %public
35 %class FortranXref
36 %extends JFlexSymbolMatcher
37 %unicode
38 %ignorecase
39 %int
40 %char
41 %include ../CommonLexer.lexh
42 %include ../CommonXref.lexh
43 %{
44     @Override
yypop()45     public void yypop() throws IOException {
46         onDisjointSpanChanged(null, yychar);
47         super.yypop();
48     }
49 
chkLOC()50     protected void chkLOC() {
51         switch (yystate()) {
52             case SCOMMENT:
53             case LCOMMENT:
54                 break;
55             default:
56                 phLOC();
57                 break;
58         }
59     }
60 %}
61 
62 File = [a-zA-Z]{FNameChar}* ".inc"
63 
64 %state  STRING SCOMMENT QSTRING LCOMMENT
65 
66 %include ../Common.lexh
67 %include ../CommonURI.lexh
68 %include ../CommonPath.lexh
69 %include Fortran.lexh
70 %%
71 <YYINITIAL>{
72  ^{Label} {
73     chkLOC();
74     onDisjointSpanChanged(HtmlConsts.NUMBER_CLASS, yychar);
75     onNonSymbolMatched(yytext(), yychar);
76     onDisjointSpanChanged(null, yychar);
77  }
78  ^[^ \t\f\r\n]+ {
79     yypush(LCOMMENT);
80     onDisjointSpanChanged(HtmlConsts.COMMENT_CLASS, yychar);
81     onNonSymbolMatched(yytext(), yychar);
82 }
83 
84 {Identifier} {
85     chkLOC();
86     onFilteredSymbolMatched(yytext(), yychar, Consts.kwd, false);
87 }
88 
89 "<" ({File}|{FPath}) ">" {
90     chkLOC();
91     onNonSymbolMatched("<", yychar);
92     String file = yytext();
93     file = file.substring(1, file.length() - 1);
94     onFilelikeMatched(file, yychar + 1);
95     onNonSymbolMatched(">", yychar + 1 + file.length());
96 }
97 
98 /*{Hier}
99         { onPathlikeMatched(yytext(), '.', false, yychar); }
100 */
101 {Number}        {
102     chkLOC();
103     onDisjointSpanChanged(HtmlConsts.NUMBER_CLASS, yychar);
104     onNonSymbolMatched(yytext(), yychar);
105     onDisjointSpanChanged(null, yychar);
106  }
107 
108  \"     {
109     chkLOC();
110     yypush(STRING);
111     onDisjointSpanChanged(HtmlConsts.STRING_CLASS, yychar);
112     onNonSymbolMatched(yytext(), yychar);
113  }
114  \'     {
115     chkLOC();
116     yypush(QSTRING);
117     onDisjointSpanChanged(HtmlConsts.STRING_CLASS, yychar);
118     onNonSymbolMatched(yytext(), yychar);
119  }
120  \!     {
121     yypush(SCOMMENT);
122     onDisjointSpanChanged(HtmlConsts.COMMENT_CLASS, yychar);
123     onNonSymbolMatched(yytext(), yychar);
124  }
125 }
126 
127 <STRING> {
128  \"\"    { chkLOC(); onNonSymbolMatched(yytext(), yychar); }
129  \"     {
130     chkLOC();
131     onNonSymbolMatched(yytext(), yychar);
132     yypop();
133  }
134 }
135 
136 <QSTRING> {
137  \'\'    { chkLOC(); onNonSymbolMatched(yytext(), yychar); }
138  \'     {
139     chkLOC();
140     onNonSymbolMatched(yytext(), yychar);
141     yypop();
142  }
143 }
144 
145 <STRING, QSTRING> {
146     {WhspChar}*{EOL}    {
147         onDisjointSpanChanged(null, yychar);
148         onEndOfLineMatched(yytext(), yychar);
149         onDisjointSpanChanged(HtmlConsts.STRING_CLASS, yychar);
150     }
151 }
152 
153 <SCOMMENT, LCOMMENT> {
154     {WhspChar}*{EOL}    {
155         yypop();
156         onEndOfLineMatched(yytext(), yychar);
157     }
158 }
159 
160 <YYINITIAL, STRING, SCOMMENT, QSTRING, LCOMMENT> {
161 {WhspChar}*{EOL}    { onEndOfLineMatched(yytext(), yychar); }
162  [[\s]--[\n]]    { onNonSymbolMatched(yytext(), yychar); }
163  [^\n]    { chkLOC(); onNonSymbolMatched(yytext(), yychar); }
164 }
165 
166 <SCOMMENT, STRING, QSTRING> {
167  {FPath}    {
168     chkLOC();
169     onPathlikeMatched(yytext(), '/', false, yychar);
170  }
171 
172 {File}
173         {
174         chkLOC();
175         String path = yytext();
176         onFilelikeMatched(path, yychar);
177  }
178 
179 {FNameChar}+ "@" {FNameChar}+ "." {FNameChar}+
180         {
181           chkLOC();
182           onEmailAddressMatched(yytext(), yychar);
183         }
184 }
185 
186 <SCOMMENT, STRING> {
187     {BrowseableURI}    {
188         chkLOC();
189         onUriMatched(yytext(), yychar);
190     }
191 }
192 
193 <QSTRING> {
194     {BrowseableURI}    {
195         chkLOC();
196         onUriMatched(yytext(), yychar, FortranUtils.CHARLITERAL_APOS_DELIMITER);
197     }
198 }
199