data/xslt/xml2xhtml.xsl - platform/external/bison - Git at Google

 <?xml version="1.0" encoding="UTF-8"?>

 <!--
     xml2html.xsl - transform Bison XML Report into XHTML.

     Copyright (C) 2007-2012 Free Software Foundation, Inc.

     This file is part of Bison, the GNU Compiler Compiler.

     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.

     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.

     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.

     Written by Wojciech Polak <[email protected]>.
   -->

 <xsl:stylesheet version="1.0"
   xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
   xmlns="http://www.w3.org/1999/xhtml"
   xmlns:bison="http://www.gnu.org/software/bison/">

 <xsl:import href="bison.xsl"/>

 <xsl:output method="xml" encoding="UTF-8"
 	    doctype-public="-//W3C//DTD XHTML 1.0 Strict//EN"
 	    doctype-system="http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"
 	    indent="yes"/>

 <xsl:template match="/">
   <html>
     <head>
       <title>
 	<xsl:value-of select="bison-xml-report/filename"/>
 	<xsl:text> - GNU Bison XML Automaton Report</xsl:text>
       </title>
       <style type="text/css"><![CDATA[
       body {
         font-family: "Nimbus Sans L", Arial, sans-serif;
 	font-size: 9pt;
       }
       a:link {
 	color: #1f00ff;
 	text-decoration: none;
       }
       a:visited {
 	color: #1f00ff;
 	text-decoration: none;
       }
       a:hover {
 	color: red;
       }
       #menu a {
         text-decoration: underline;
       }
       .i {
         font-style: italic;
       }
       .pre {
         font-family: monospace;
         white-space: pre;
       }
       ol.decimal {
         list-style-type: decimal;
       }
       ol.lower-alpha {
         list-style-type: lower-alpha;
       }
       .point {
         color: #cc0000;
       }
       #footer {
         margin-top: 3.5em;
         font-size: 7pt;
       }
       ]]></style>
     </head>
     <body>
       <xsl:apply-templates select="bison-xml-report"/>
       <xsl:text>&#10;&#10;</xsl:text>
       <div id="footer"><hr />This document was generated using
       <a href="http://www.gnu.org/software/bison/" title="GNU Bison">
       GNU Bison <xsl:value-of select="/bison-xml-report/@version"/></a>
       XML Automaton Report.<br />
       <!-- default copying notice -->
       Verbatim copying and distribution of this entire page is
       permitted in any medium, provided this notice is preserved.</div>
     </body>
   </html>
 </xsl:template>

 <xsl:template match="bison-xml-report">
   <h1>GNU Bison XML Automaton Report</h1>
   <p>
     input grammar: <span class="i"><xsl:value-of select="filename"/></span>
   </p>

   <xsl:text>&#10;&#10;</xsl:text>
   <h3>Table of Contents</h3>
   <ul id="menu">
     <li>
       <a href="#reductions">Reductions</a>
       <ul class="lower-alpha">
 	<li><a href="#nonterminals_useless_in_grammar">Nonterminals useless in grammar</a></li>
 	<li><a href="#terminals_unused_in_grammar">Terminals unused in grammar</a></li>
 	<li><a href="#rules_useless_in_grammar">Rules useless in grammar</a></li>
 	<xsl:if test="grammar/rules/rule[@usefulness='useless-in-parser']">
 	  <li><a href="#rules_useless_in_parser">Rules useless in parser due to conflicts</a></li>
 	</xsl:if>
       </ul>
     </li>
     <li><a href="#conflicts">Conflicts</a></li>
     <li>
       <a href="#grammar">Grammar</a>
       <ul class="lower-alpha">
 	<li><a href="#grammar">Itemset</a></li>
 	<li><a href="#terminals">Terminal symbols</a></li>
 	<li><a href="#nonterminals">Nonterminal symbols</a></li>
       </ul>
     </li>
     <li><a href="#automaton">Automaton</a></li>
   </ul>
   <xsl:apply-templates select="grammar" mode="reductions"/>
   <xsl:apply-templates select="grammar" mode="useless-in-parser"/>
   <xsl:apply-templates select="automaton" mode="conflicts"/>
   <xsl:apply-templates select="grammar"/>
   <xsl:apply-templates select="automaton"/>
 </xsl:template>

 <xsl:template match="grammar" mode="reductions">
   <h2>
     <a name="reductions"/>
     <xsl:text> Reductions</xsl:text>
   </h2>
   <xsl:apply-templates select="nonterminals" mode="useless-in-grammar"/>
   <xsl:apply-templates select="terminals" mode="unused-in-grammar"/>
   <xsl:apply-templates select="rules" mode="useless-in-grammar"/>
 </xsl:template>

 <xsl:template match="nonterminals" mode="useless-in-grammar">
   <h3>
     <a name="nonterminals_useless_in_grammar"/>
     <xsl:text> Nonterminals useless in grammar</xsl:text>
   </h3>
   <xsl:text>&#10;&#10;</xsl:text>
   <xsl:if test="nonterminal[@usefulness='useless-in-grammar']">
     <p class="pre">
       <xsl:for-each select="nonterminal[@usefulness='useless-in-grammar']">
 	<xsl:text>   </xsl:text>
 	<xsl:value-of select="@name"/>
 	<xsl:text>&#10;</xsl:text>
       </xsl:for-each>
       <xsl:text>&#10;&#10;</xsl:text>
     </p>
   </xsl:if>
 </xsl:template>

 <xsl:template match="terminals" mode="unused-in-grammar">
   <h3>
     <a name="terminals_unused_in_grammar"/>
     <xsl:text> Terminals unused in grammar</xsl:text>
   </h3>
   <xsl:text>&#10;&#10;</xsl:text>
   <xsl:if test="terminal[@usefulness='unused-in-grammar']">
     <p class="pre">
       <xsl:for-each select="terminal[@usefulness='unused-in-grammar']">
         <xsl:sort select="@symbol-number" data-type="number"/>
 	<xsl:text>   </xsl:text>
 	<xsl:value-of select="@name"/>
 	<xsl:text>&#10;</xsl:text>
       </xsl:for-each>
       <xsl:text>&#10;&#10;</xsl:text>
     </p>
   </xsl:if>
 </xsl:template>

 <xsl:template match="rules" mode="useless-in-grammar">
   <h3>
     <a name="rules_useless_in_grammar"/>
     <xsl:text> Rules useless in grammar</xsl:text>
   </h3>
   <xsl:text>&#10;</xsl:text>
   <xsl:variable name="set" select="rule[@usefulness='useless-in-grammar']"/>
   <xsl:if test="$set">
     <p class="pre">
       <xsl:call-template name="style-rule-set">
         <xsl:with-param name="rule-set" select="$set"/>
       </xsl:call-template>
       <xsl:text>&#10;&#10;</xsl:text>
     </p>
   </xsl:if>
 </xsl:template>

 <xsl:template match="grammar" mode="useless-in-parser">
   <xsl:variable
     name="set" select="rules/rule[@usefulness='useless-in-parser']"
   />
   <xsl:if test="$set">
     <h2>
       <a name="rules_useless_in_parser"/>
       <xsl:text> Rules useless in parser due to conflicts</xsl:text>
     </h2>
     <xsl:text>&#10;</xsl:text>
     <p class="pre">
       <xsl:call-template name="style-rule-set">
         <xsl:with-param name="rule-set" select="$set"/>
       </xsl:call-template>
     </p>
     <xsl:text>&#10;&#10;</xsl:text>
   </xsl:if>
 </xsl:template>

 <xsl:template match="grammar">
   <h2>
     <a name="grammar"/>
     <xsl:text> Grammar</xsl:text>
   </h2>
   <xsl:text>&#10;</xsl:text>
   <p class="pre">
     <xsl:call-template name="style-rule-set">
       <xsl:with-param
         name="rule-set" select="rules/rule[@usefulness!='useless-in-grammar']"
       />
     </xsl:call-template>
   </p>
   <xsl:text>&#10;&#10;</xsl:text>
   <xsl:apply-templates select="terminals"/>
   <xsl:apply-templates select="nonterminals"/>
 </xsl:template>

 <xsl:template name="style-rule-set">
   <xsl:param name="rule-set"/>
   <xsl:for-each select="$rule-set">
     <xsl:apply-templates select=".">
       <xsl:with-param name="pad" select="'3'"/>
       <xsl:with-param name="prev-lhs">
         <xsl:if test="position()>1">
           <xsl:variable name="position" select="position()"/>
           <xsl:value-of select="$rule-set[$position - 1]/lhs"/>
         </xsl:if>
       </xsl:with-param>
     </xsl:apply-templates>
   </xsl:for-each>
 </xsl:template>

 <xsl:template match="automaton" mode="conflicts">
   <h2>
     <a name="conflicts"/>
     <xsl:text> Conflicts</xsl:text>
   </h2>
   <xsl:text>&#10;&#10;</xsl:text>
   <xsl:variable name="conflict-report">
     <xsl:apply-templates select="state" mode="conflicts"/>
   </xsl:variable>
   <xsl:if test="string-length($conflict-report) != 0">
     <p class="pre">
       <xsl:copy-of select="$conflict-report"/>
       <xsl:text>&#10;&#10;</xsl:text>
     </p>
   </xsl:if>
 </xsl:template>

 <xsl:template match="state" mode="conflicts">
   <xsl:variable name="conflict-counts">
     <xsl:apply-templates select="." mode="bison:count-conflicts" />
   </xsl:variable>
   <xsl:variable
     name="sr-count" select="substring-before($conflict-counts, ',')"
   />
   <xsl:variable
     name="rr-count" select="substring-after($conflict-counts, ',')"
   />
   <xsl:if test="$sr-count > 0 or $rr-count > 0">
     <a>
       <xsl:attribute name="href">
         <xsl:value-of select="concat('#state_', @number)"/>
       </xsl:attribute>
       <xsl:value-of select="concat('State ', @number)"/>
     </a>
     <xsl:text> conflicts:</xsl:text>
     <xsl:if test="$sr-count > 0">
       <xsl:value-of select="concat(' ', $sr-count, ' shift/reduce')"/>
       <xsl:if test="$rr-count > 0">
         <xsl:value-of select="(',')"/>
       </xsl:if>
     </xsl:if>
     <xsl:if test="$rr-count > 0">
       <xsl:value-of select="concat(' ', $rr-count, ' reduce/reduce')"/>
     </xsl:if>
     <xsl:value-of select="'&#10;'"/>
   </xsl:if>
 </xsl:template>

 <xsl:template match="grammar/terminals">
   <h3>
     <a name="terminals"/>
     <xsl:text> Terminals, with rules where they appear</xsl:text>
   </h3>
   <xsl:text>&#10;&#10;</xsl:text>
   <p class="pre">
     <xsl:apply-templates select="terminal"/>
   </p>
   <xsl:text>&#10;&#10;</xsl:text>
 </xsl:template>

 <xsl:template match="grammar/nonterminals">
   <h3>
     <a name="nonterminals"/>
     <xsl:text> Nonterminals, with rules where they appear</xsl:text>
   </h3>
   <xsl:text>&#10;&#10;</xsl:text>
   <p class="pre">
     <xsl:apply-templates
       select="nonterminal[@usefulness!='useless-in-grammar']"
     />
   </p>
 </xsl:template>

 <xsl:template match="terminal">
   <b><xsl:value-of select="@name"/></b>
   <xsl:value-of select="concat(' (', @token-number, ')')"/>
   <xsl:for-each select="key('bison:ruleByRhs', @name)">
     <xsl:apply-templates select="." mode="number-link"/>
   </xsl:for-each>
   <xsl:text>&#10;</xsl:text>
 </xsl:template>

 <xsl:template match="nonterminal">
   <b><xsl:value-of select="@name"/></b>
   <xsl:value-of select="concat(' (', @symbol-number, ')')"/>
   <xsl:text>&#10;    </xsl:text>
   <xsl:if test="key('bison:ruleByLhs', @name)">
     <xsl:text>on left:</xsl:text>
     <xsl:for-each select="key('bison:ruleByLhs', @name)">
       <xsl:apply-templates select="." mode="number-link"/>
     </xsl:for-each>
   </xsl:if>
   <xsl:if test="key('bison:ruleByRhs', @name)">
     <xsl:if test="key('bison:ruleByLhs', @name)">
       <xsl:text>&#10;    </xsl:text>
     </xsl:if>
     <xsl:text>on right:</xsl:text>
     <xsl:for-each select="key('bison:ruleByRhs', @name)">
       <xsl:apply-templates select="." mode="number-link"/>
     </xsl:for-each>
   </xsl:if>
   <xsl:text>&#10;</xsl:text>
 </xsl:template>

 <xsl:template match="rule" mode="number-link">
   <xsl:text> </xsl:text>
   <a>
     <xsl:attribute name="href">
       <xsl:value-of select="concat('#rule_', @number)"/>
     </xsl:attribute>
     <xsl:value-of select="@number"/>
   </a>
 </xsl:template>

 <xsl:template match="automaton">
   <h2>
     <a name="automaton"/>
     <xsl:text> Automaton</xsl:text>
   </h2>
   <xsl:apply-templates select="state">
     <xsl:with-param name="pad" select="'3'"/>
   </xsl:apply-templates>
 </xsl:template>

 <xsl:template match="automaton/state">
   <xsl:param name="pad"/>
   <xsl:text>&#10;&#10;</xsl:text>
   <h3>
     <a>
       <xsl:attribute name="name">
 	<xsl:value-of select="concat('state_', @number)"/>
       </xsl:attribute>
     </a>
     <xsl:text>state </xsl:text>
     <xsl:value-of select="@number"/>
   </h3>
   <xsl:text>&#10;&#10;</xsl:text>
   <p class="pre">
     <xsl:apply-templates select="itemset/item">
       <xsl:with-param name="pad" select="$pad"/>
     </xsl:apply-templates>
     <xsl:apply-templates select="actions/transitions">
       <xsl:with-param name="type" select="'shift'"/>
     </xsl:apply-templates>
     <xsl:apply-templates select="actions/errors"/>
     <xsl:apply-templates select="actions/reductions"/>
     <xsl:apply-templates select="actions/transitions">
       <xsl:with-param name="type" select="'goto'"/>
     </xsl:apply-templates>
     <xsl:apply-templates select="solved-conflicts"/>
   </p>
 </xsl:template>

 <xsl:template match="actions/transitions">
   <xsl:param name="type"/>
   <xsl:if test="transition[@type = $type]">
     <xsl:text>&#10;</xsl:text>
     <xsl:apply-templates select="transition[@type = $type]">
       <xsl:with-param name="pad">
 	<xsl:call-template name="max-width-symbol">
 	  <xsl:with-param name="node" select="transition[@type = $type]"/>
 	</xsl:call-template>
       </xsl:with-param>
     </xsl:apply-templates>
   </xsl:if>
 </xsl:template>

 <xsl:template match="actions/errors">
   <xsl:if test="error">
     <xsl:text>&#10;</xsl:text>
     <xsl:apply-templates select="error">
       <xsl:with-param name="pad">
 	<xsl:call-template name="max-width-symbol">
 	  <xsl:with-param name="node" select="error"/>
 	</xsl:call-template>
       </xsl:with-param>
     </xsl:apply-templates>
   </xsl:if>
 </xsl:template>

 <xsl:template match="actions/reductions">
   <xsl:if test="reduction">
     <xsl:text>&#10;</xsl:text>
     <xsl:apply-templates select="reduction">
       <xsl:with-param name="pad">
 	<xsl:call-template name="max-width-symbol">
 	  <xsl:with-param name="node" select="reduction"/>
 	</xsl:call-template>
       </xsl:with-param>
     </xsl:apply-templates>
   </xsl:if>
 </xsl:template>

 <xsl:template match="item">
   <xsl:param name="pad"/>
   <xsl:param name="prev-rule-number"
 	     select="preceding-sibling::item[1]/@rule-number"/>
   <xsl:apply-templates
     select="key('bison:ruleByNumber', current()/@rule-number)"
   >
     <xsl:with-param name="itemset" select="'true'"/>
     <xsl:with-param name="pad" select="$pad"/>
     <xsl:with-param name="prev-lhs"
       select="key('bison:ruleByNumber', $prev-rule-number)/lhs[text()]"
    />
     <xsl:with-param name="point" select="@point"/>
     <xsl:with-param name="lookaheads">
       <xsl:apply-templates select="lookaheads"/>
     </xsl:with-param>
   </xsl:apply-templates>
 </xsl:template>

 <xsl:template match="rule">
   <xsl:param name="itemset"/>
   <xsl:param name="pad"/>
   <xsl:param name="prev-lhs"/>
   <xsl:param name="point"/>
   <xsl:param name="lookaheads"/>

   <xsl:if test="$itemset != 'true' and not($prev-lhs = lhs[text()])">
     <xsl:text>&#10;</xsl:text>
   </xsl:if>

   <xsl:if test="$itemset != 'true'">
     <a>
       <xsl:attribute name="name">
 	<xsl:value-of select="concat('rule_', @number)"/>
       </xsl:attribute>
     </a>
   </xsl:if>
   <xsl:text>  </xsl:text>

   <xsl:choose>
     <xsl:when test="$itemset = 'true'">
       <a>
 	<xsl:attribute name="href">
 	  <xsl:value-of select="concat('#rule_', @number)"/>
 	</xsl:attribute>
 	<xsl:call-template name="lpad">
 	  <xsl:with-param name="str" select="string(@number)"/>
 	  <xsl:with-param name="pad" select="number($pad)"/>
 	</xsl:call-template>
       </a>
     </xsl:when>
     <xsl:otherwise>
       <xsl:call-template name="lpad">
 	<xsl:with-param name="str" select="string(@number)"/>
 	<xsl:with-param name="pad" select="number($pad)"/>
       </xsl:call-template>
     </xsl:otherwise>
   </xsl:choose>
   <xsl:text> </xsl:text>

   <!-- LHS -->
   <xsl:choose>
     <xsl:when test="$itemset != 'true' and $prev-lhs = lhs[text()]">
       <xsl:call-template name="lpad">
 	<xsl:with-param name="str" select="'|'"/>
 	<xsl:with-param name="pad" select="number(string-length(lhs[text()])) + 2"/>
       </xsl:call-template>
     </xsl:when>
     <xsl:when test="$itemset = 'true' and $prev-lhs = lhs[text()]">
       <xsl:call-template name="lpad">
 	<xsl:with-param name="str" select="'|'"/>
 	<xsl:with-param name="pad" select="number(string-length(lhs[text()])) + 2"/>
       </xsl:call-template>
     </xsl:when>
     <xsl:otherwise>
       <span class="i">
 	<xsl:value-of select="lhs"/>
       </span>
       <xsl:text> &#8594;</xsl:text>
     </xsl:otherwise>
   </xsl:choose>

   <!-- RHS -->
   <xsl:for-each select="rhs/*">
     <xsl:if test="position() = $point + 1">
       <xsl:text> </xsl:text>
       <span class="point">.</span>
     </xsl:if>
     <xsl:if test="$itemset = 'true' and name(.) != 'empty'">
       <xsl:apply-templates select="."/>
     </xsl:if>
     <xsl:if test="$itemset != 'true'">
       <xsl:apply-templates select="."/>
     </xsl:if>
     <xsl:if test="position() = last() and position() = $point">
       <xsl:text> </xsl:text>
       <span class="point">.</span>
     </xsl:if>
   </xsl:for-each>
   <xsl:if test="$lookaheads">
     <xsl:value-of select="$lookaheads"/>
   </xsl:if>

   <xsl:text>&#10;</xsl:text>
 </xsl:template>

 <xsl:template match="symbol">
   <xsl:text> </xsl:text>
   <xsl:choose>
     <xsl:when test="name(key('bison:symbolByName', .)) = 'nonterminal'">
       <span class="i"><xsl:value-of select="."/></span>
     </xsl:when>
     <xsl:otherwise>
       <b><xsl:value-of select="."/></b>
     </xsl:otherwise>
   </xsl:choose>
 </xsl:template>

 <xsl:template match="empty">
   <xsl:text> &#949;</xsl:text>
 </xsl:template>

 <xsl:template match="lookaheads">
   <xsl:text>  [</xsl:text>
   <xsl:apply-templates select="symbol"/>
   <xsl:text>]</xsl:text>
 </xsl:template>

 <xsl:template match="lookaheads/symbol">
   <xsl:value-of select="."/>
   <xsl:if test="position() != last()">
     <xsl:text>, </xsl:text>
   </xsl:if>
 </xsl:template>

 <xsl:template match="transition">
   <xsl:param name="pad"/>
   <xsl:text>    </xsl:text>
   <xsl:call-template name="rpad">
     <xsl:with-param name="str" select="string(@symbol)"/>
     <xsl:with-param name="pad" select="number($pad) + 2"/>
   </xsl:call-template>
   <xsl:choose>
     <xsl:when test="@type = 'shift'">
       <a>
 	<xsl:attribute name="href">
 	  <xsl:value-of select="concat('#state_', @state)"/>
 	</xsl:attribute>
 	<xsl:value-of select="concat('shift, and go to state ', @state)"/>
       </a>
     </xsl:when>
     <xsl:when test="@type = 'goto'">
       <a>
 	<xsl:attribute name="href">
 	  <xsl:value-of select="concat('#state_', @state)"/>
 	</xsl:attribute>
 	<xsl:value-of select="concat('go to state ', @state)"/>
       </a>
     </xsl:when>
   </xsl:choose>
   <xsl:text>&#10;</xsl:text>
 </xsl:template>

 <xsl:template match="error">
   <xsl:param name="pad"/>
   <xsl:text>    </xsl:text>
   <xsl:call-template name="rpad">
     <xsl:with-param name="str" select="string(@symbol)"/>
     <xsl:with-param name="pad" select="number($pad) + 2"/>
   </xsl:call-template>
   <xsl:text>error</xsl:text>
   <xsl:text> (</xsl:text>
   <xsl:value-of select="text()"/>
   <xsl:text>)</xsl:text>
   <xsl:text>&#10;</xsl:text>
 </xsl:template>

 <xsl:template match="reduction">
   <xsl:param name="pad"/>
   <xsl:text>    </xsl:text>
   <xsl:call-template name="rpad">
     <xsl:with-param name="str" select="string(@symbol)"/>
     <xsl:with-param name="pad" select="number($pad) + 2"/>
   </xsl:call-template>
   <xsl:if test="@enabled = 'false'">
     <xsl:text>[</xsl:text>
   </xsl:if>
   <xsl:choose>
     <xsl:when test="@rule = 'accept'">
       <xsl:text>accept</xsl:text>
     </xsl:when>
     <xsl:otherwise>
       <a>
 	<xsl:attribute name="href">
 	  <xsl:value-of select="concat('#rule_', @rule)"/>
 	</xsl:attribute>
 	<xsl:value-of select="concat('reduce using rule ', @rule)"/>
       </a>
       <xsl:text> (</xsl:text>
       <xsl:value-of
         select="key('bison:ruleByNumber', current()/@rule)/lhs[text()]"
       />
       <xsl:text>)</xsl:text>
     </xsl:otherwise>
   </xsl:choose>
   <xsl:if test="@enabled = 'false'">
     <xsl:text>]</xsl:text>
   </xsl:if>
   <xsl:text>&#10;</xsl:text>
 </xsl:template>

 <xsl:template match="solved-conflicts">
   <xsl:if test="resolution">
     <xsl:text>&#10;</xsl:text>
     <xsl:apply-templates select="resolution"/>
   </xsl:if>
 </xsl:template>

 <xsl:template match="resolution">
   <xsl:text>    Conflict between </xsl:text>
   <a>
     <xsl:attribute name="href">
       <xsl:value-of select="concat('#rule_', @rule)"/>
     </xsl:attribute>
     <xsl:value-of select="concat('rule ',@rule)"/>
   </a>
   <xsl:text> and token </xsl:text>
   <xsl:value-of select="@symbol"/>
   <xsl:text> resolved as </xsl:text>
   <xsl:if test="@type = 'error'">
     <xsl:text>an </xsl:text>
   </xsl:if>
   <xsl:value-of select="@type"/>
   <xsl:text> (</xsl:text>
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	<!--
	xml2html.xsl - transform Bison XML Report into XHTML.

	Copyright (C) 2007-2012 Free Software Foundation, Inc.

	This file is part of Bison, the GNU Compiler Compiler.

	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program. If not, see <http://www.gnu.org/licenses/>.

	Written by Wojciech Polak <[email protected]>.
	-->

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	<li><a href="#terminals">Terminal symbols</a></li>
	<li><a href="#nonterminals">Nonterminal symbols</a></li>
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	<li><a href="#automaton">Automaton</a></li>
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	<xsl:text> Grammar</xsl:text>
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	<xsl:text> Conflicts</xsl:text>
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	<xsl:template match="rule" mode="number-link">
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	</xsl:if>
	</xsl:template>

	<xsl:template match="item">
	<xsl:param name="pad"/>
	<xsl:param name="prev-rule-number"
	select="preceding-sibling::item[1]/@rule-number"/>
	<xsl:apply-templates
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	<xsl:with-param name="itemset" select="'true'"/>
	<xsl:with-param name="pad" select="$pad"/>
	<xsl:with-param name="prev-lhs"
	select="key('bison:ruleByNumber', $prev-rule-number)/lhs[text()]"
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	<xsl:text> </xsl:text>
	<xsl:call-template name="rpad">
	<xsl:with-param name="str" select="string(@symbol)"/>
	<xsl:with-param name="pad" select="number($pad) + 2"/>
	</xsl:call-template>
	<xsl:if test="@enabled = 'false'">
	<xsl:text>[</xsl:text>
	</xsl:if>
	<xsl:choose>
	<xsl:when test="@rule = 'accept'">
	<xsl:text>accept</xsl:text>
	</xsl:when>
	<xsl:otherwise>
	<a>
	<xsl:attribute name="href">
	<xsl:value-of select="concat('#rule_', @rule)"/>
	</xsl:attribute>
	<xsl:value-of select="concat('reduce using rule ', @rule)"/>
	</a>
	<xsl:text> (</xsl:text>
	<xsl:value-of
	select="key('bison:ruleByNumber', current()/@rule)/lhs[text()]"
	/>
	<xsl:text>)</xsl:text>
	</xsl:otherwise>
	</xsl:choose>
	<xsl:if test="@enabled = 'false'">
	<xsl:text>]</xsl:text>
	</xsl:if>
	<xsl:text> </xsl:text>
	</xsl:template>

	<xsl:template match="solved-conflicts">
	<xsl:if test="resolution">
	<xsl:text> </xsl:text>
	<xsl:apply-templates select="resolution"/>
	</xsl:if>
	</xsl:template>

	<xsl:template match="resolution">
	<xsl:text> Conflict between </xsl:text>
	<a>
	<xsl:attribute name="href">
	<xsl:value-of select="concat('#rule_', @rule)"/>
	</xsl:attribute>
	<xsl:value-of select="concat('rule ',@rule)"/>
	</a>
	<xsl:text> and token </xsl:text>
	<xsl:value-of select="@symbol"/>
	<xsl:text> resolved as </xsl:text>
	<xsl:if test="@type = 'error'">
	<xsl:text>an </xsl:text>
	</xsl:if>
	<xsl:value-of select="@type"/>
	<xsl:text> (</xsl:text>
	<xsl:value-of select="."/>
	<xsl:text>). </xsl:text>
	</xsl:template>

	<xsl:template name="max-width-symbol">
	<xsl:param name="node"/>
	<xsl:variable name="longest">
	<xsl:for-each select="$node">
	<xsl:sort data-type="number" select="string-length(@symbol)"
	order="descending"/>
	<xsl:if test="position() = 1">
	<xsl:value-of select="string-length(@symbol)"/>
	</xsl:if>
	</xsl:for-each>
	</xsl:variable>
	<xsl:value-of select="$longest"/>
	</xsl:template>

	<xsl:template name="lpad">
	<xsl:param name="str" select="''"/>
	<xsl:param name="pad" select="0"/>
	<xsl:variable name="diff" select="$pad - string-length($str)" />
	<xsl:choose>
	<xsl:when test="$diff < 0">
	<xsl:value-of select="$str"/>
	</xsl:when>
	<xsl:otherwise>
	<xsl:call-template name="space">
	<xsl:with-param name="repeat" select="$diff"/>
	</xsl:call-template>
	<xsl:value-of select="$str"/>
	</xsl:otherwise>
	</xsl:choose>
	</xsl:template>

	<xsl:template name="rpad">
	<xsl:param name="str" select="''"/>
	<xsl:param name="pad" select="0"/>
	<xsl:variable name="diff" select="$pad - string-length($str)"/>
	<xsl:choose>
	<xsl:when test="$diff < 0">
	<xsl:value-of select="$str"/>
	</xsl:when>
	<xsl:otherwise>
	<xsl:value-of select="$str"/>
	<xsl:call-template name="space">
	<xsl:with-param name="repeat" select="$diff"/>
	</xsl:call-template>
	</xsl:otherwise>
	</xsl:choose>
	</xsl:template>

	<xsl:template name="space">
	<xsl:param name="repeat">0</xsl:param>
	<xsl:param name="fill" select="' '"/>
	<xsl:if test="number($repeat) >= 1">
	<xsl:call-template name="space">
	<xsl:with-param name="repeat" select="$repeat - 1"/>
	<xsl:with-param name="fill" select="$fill"/>
	</xsl:call-template>
	<xsl:value-of select="$fill"/>
	</xsl:if>
	</xsl:template>

	</xsl:stylesheet>