/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* See LICENSE.txt included in this distribution for the specific
* language governing permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at LICENSE.txt.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
*/
/*
* Cross reference a Golang file
*/
package org.opensolaris.opengrok.analysis.golang;
import org.opensolaris.opengrok.analysis.JFlexXref;
import org.opensolaris.opengrok.web.Util;
/**
* @author Patrick Lundquist
*/
%%
%public
%class GolangXref
%extends JFlexXref
%unicode
%ignorecase
%int
%{
// TODO move this into an include file when bug #16053 is fixed
@Override
protected int getLineNumber() { return yyline; }
@Override
protected void setLineNumber(int x) { yyline = x; }
%}
WhiteSpace = [ \t\f]+
EOL = \r|\n|\r\n
Identifier = [a-zA-Z_] [a-zA-Z0-9_']*
FNameChar = [a-zA-Z0-9_\-\.]
URIChar = [\?\+\%\&\:\/\.\@\_\;\=\$\,\-\!\~\*\\]
Path = "/"? [a-zA-Z]{FNameChar}* ("/" [a-zA-Z]{FNameChar}*[a-zA-Z0-9])+
File = [a-zA-Z]{FNameChar}* "." ("go"|"txt"|"htm"|"html"|"diff"|"patch")
Number = (0[xX][0-9a-fA-F]+|[0-9]+\.[0-9]+|[0-9][0-9_]*)([eE][+-]?[0-9]+)?
%state STRING COMMENT SCOMMENT QSTRING
%%
<YYINITIAL> {
{Identifier} {
String id = yytext();
writeSymbol(id, Consts.kwd, yyline);
}
{Number} { out.write("<span class=\"n\">"); out.write(yytext()); out.write("</span>"); }
\" { yybegin(STRING); out.write("<span class=\"s\">\""); }
\' { yybegin(QSTRING); out.write("<span class=\"s\">\'"); }
"/*" { yybegin(COMMENT); out.write("<span class=\"c\">/*"); }
"//" { yybegin(SCOMMENT); out.write("<span class=\"c\">//"); }
}
"<" ({File}|{Path}) ">" {
out.write("&lt;");
String path = yytext();
path = path.substring(1, path.length() - 1);
out.write("<a href=\""+urlPrefix+"path=");
out.write(path);
appendProject();
out.write("\">");
out.write(path);
out.write("</a>");
out.write("&gt;");
}
<STRING> {
\" {WhiteSpace} \" { out.write(yytext()); }
\" { yybegin(YYINITIAL); out.write("\"</span>"); }
\\\\ { out.write("\\\\"); }
\\\" { out.write("\\\""); }
}
<QSTRING> {
"\\\\" { out.write("\\\\"); }
"\\'" { out.write("\\\'"); }
\' {WhiteSpace} \' { out.write(yytext()); }
\' { yybegin(YYINITIAL); out.write("'</span>"); }
}
<COMMENT> {
"*/" { yybegin(YYINITIAL); out.write("*/</span>"); }
}
<SCOMMENT> {
{WhiteSpace}*{EOL} { yybegin(YYINITIAL); out.write("</span>"); startNewLine(); }
}
<YYINITIAL, STRING, COMMENT, SCOMMENT, QSTRING> {
"&" { out.write( "&amp;"); }
"<" { out.write( "&lt;"); }
">" { out.write( "&gt;"); }
{WhiteSpace}*{EOL} { startNewLine(); }
{WhiteSpace} { out.write(yytext()); }
[^\n] { writeUnicodeChar(yycharat(0)); }
}
<STRING, COMMENT, SCOMMENT, QSTRING> {
{Path} { out.write(Util.breadcrumbPath(urlPrefix + "path=", yytext(), '/')); }
{File} {
String path = yytext();
out.write("<a href=\""+urlPrefix+"path=");
out.write(path);
appendProject();
out.write("\">");
out.write(path);
out.write("</a>");
}
("http" | "https" | "ftp") "://" ({FNameChar}|{URIChar})+[a-zA-Z0-9/] {
appendLink(yytext());
}
{FNameChar}+ "@" {FNameChar}+ "." {FNameChar}+ { writeEMailAddress(yytext()); }
}