<!--
xml2html.xsl - transform Bison XML Report into XHTML.
- $Id$
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007-2012 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
<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"/>
+ 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>GNU Bison XML Automaton Report</title>
+ <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;
+ font-size: 9pt;
}
a:link {
- color: #1f00ff;
- text-decoration: none;
+ color: #1f00ff;
+ text-decoration: none;
}
a:visited {
- color: #1f00ff;
- text-decoration: none;
+ color: #1f00ff;
+ text-decoration: none;
}
a:hover {
- color: red;
+ color: red;
}
#menu a {
text-decoration: underline;
<body>
<xsl:apply-templates select="bison-xml-report"/>
<xsl:text> </xsl:text>
- <div id="footer"><hr />
+ <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, written by
- <a href="http://www.gnu.org.ua/~polak/" title="Wojciech Polak">Wojciech Polak</a>.
- Copyright (C) 2007 Free Software Foundation, Inc.<br />
- Verbatim copying and distribution of this entire page is permitted
- in any medium, provided this notice is preserved.</div>
+ 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>
<li>
<a href="#reductions">Reductions</a>
<ul class="lower-alpha">
- <li><a href="#useless_nonterminals">Useless nonterminal symbols</a></li>
- <li><a href="#unused_terminals">Unused terminal symbols</a></li>
- <li><a href="#useless_rules">Useless rules</a></li>
+ <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>
+
<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="reductions"/>
- <xsl:apply-templates select="rules-never-reduced"/>
+ <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="rules-never-reduced">
- <xsl:if test="rule">
- <h2>
- <a name="rules_never_reduced"/>
- <xsl:text> Rules never reduced</xsl:text>
- </h2>
- <xsl:text> </xsl:text>
- <p class="pre">
- <xsl:apply-templates select="rule">
- <xsl:with-param name="pad" select="'3'"/>
- </xsl:apply-templates>
- </p>
- <xsl:text> </xsl:text>
- </xsl:if>
-</xsl:template>
-
-<xsl:template match="reductions">
+<xsl:template match="grammar" mode="reductions">
<h2>
<a name="reductions"/>
<xsl:text> Reductions</xsl:text>
</h2>
- <xsl:apply-templates select="useless/nonterminals"/>
- <xsl:apply-templates select="unused/terminals"/>
- <xsl:apply-templates select="useless/rules"/>
+ <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="useless/nonterminals">
+<xsl:template match="nonterminals" mode="useless-in-grammar">
<h3>
- <a name="useless_nonterminals"/>
- <xsl:text> Useless nonterminals</xsl:text>
+ <a name="nonterminals_useless_in_grammar"/>
+ <xsl:text> Nonterminals useless in grammar</xsl:text>
</h3>
<xsl:text> </xsl:text>
- <xsl:if test="nonterminal">
+ <xsl:if test="nonterminal[@usefulness='useless-in-grammar']">
<p class="pre">
- <xsl:for-each select="nonterminal">
- <xsl:text> </xsl:text>
- <xsl:value-of select="."/>
- <xsl:text> </xsl:text>
+ <xsl:for-each select="nonterminal[@usefulness='useless-in-grammar']">
+ <xsl:text> </xsl:text>
+ <xsl:value-of select="@name"/>
+ <xsl:text> </xsl:text>
</xsl:for-each>
<xsl:text> </xsl:text>
</p>
</xsl:if>
</xsl:template>
-<xsl:template match="useless/rules">
+<xsl:template match="terminals" mode="unused-in-grammar">
<h3>
- <a name="useless_rules"/>
- <xsl:text> Useless rules</xsl:text>
+ <a name="terminals_unused_in_grammar"/>
+ <xsl:text> Terminals unused in grammar</xsl:text>
</h3>
- <xsl:text> </xsl:text>
- <xsl:if test="rule">
+ <xsl:text> </xsl:text>
+ <xsl:if test="terminal[@usefulness='unused-in-grammar']">
<p class="pre">
- <xsl:apply-templates select="rule">
- <xsl:with-param name="pad" select="'3'"/>
- </xsl:apply-templates>
+ <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> </xsl:text>
+ </xsl:for-each>
<xsl:text> </xsl:text>
</p>
</xsl:if>
</xsl:template>
-<xsl:template match="unused/terminals">
+<xsl:template match="rules" mode="useless-in-grammar">
<h3>
- <a name="unused_terminals"/>
- <xsl:text> Terminals which are not used</xsl:text>
+ <a name="rules_useless_in_grammar"/>
+ <xsl:text> Rules useless in grammar</xsl:text>
</h3>
- <xsl:text> </xsl:text>
- <xsl:if test="terminal">
+ <xsl:text> </xsl:text>
+ <xsl:variable name="set" select="rule[@usefulness='useless-in-grammar']"/>
+ <xsl:if test="$set">
<p class="pre">
- <xsl:for-each select="terminal">
- <xsl:text> </xsl:text>
- <xsl:value-of select="."/>
- <xsl:text> </xsl:text>
- </xsl:for-each>
+ <xsl:call-template name="style-rule-set">
+ <xsl:with-param name="rule-set" select="$set"/>
+ </xsl:call-template>
<xsl:text> </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="$set">
+ <h2>
+ <a name="rules_useless_in_parser"/>
+ <xsl:text> Rules useless in parser due to conflicts</xsl:text>
+ </h2>
+ <xsl:text> </xsl:text>
+ <p class="pre">
+ <xsl:call-template name="style-rule-set">
+ <xsl:with-param name="rule-set" select="$set"/>
+ </xsl:call-template>
+ </p>
+ <xsl:text> </xsl:text>
+ </xsl:if>
+</xsl:template>
+
+<xsl:template match="grammar">
+ <h2>
+ <a name="grammar"/>
+ <xsl:text> Grammar</xsl:text>
+ </h2>
+ <xsl:text> </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> </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:if>
</xsl:template>
-<xsl:template match="grammar">
- <h2>
- <a name="grammar"/>
- <xsl:text> Grammar</xsl:text>
- </h2>
- <xsl:text> </xsl:text>
- <p class="pre">
- <xsl:apply-templates select="rules/rule">
- <xsl:with-param name="pad" select="'3'"/>
- </xsl:apply-templates>
- </p>
- <xsl:text> </xsl:text>
- <xsl:apply-templates select="terminals"/>
- <xsl:apply-templates select="nonterminals"/>
-</xsl:template>
-
<xsl:template match="grammar/terminals">
<h3>
<a name="terminals"/>
</h3>
<xsl:text> </xsl:text>
<p class="pre">
- <xsl:apply-templates select="nonterminal"/>
+ <xsl:apply-templates
+ select="nonterminal[@usefulness!='useless-in-grammar']"
+ />
</p>
</xsl:template>
<xsl:template match="terminal">
- <b><xsl:value-of select="@symbol"/></b>
- <xsl:value-of select="concat(' (', @type, ')')"/>
- <xsl:apply-templates select="rule"/>
+ <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> </xsl:text>
</xsl:template>
-<xsl:template match="terminal/rule">
- <xsl:text> </xsl:text>
- <a>
- <xsl:attribute name="href">
- <xsl:value-of select="concat('#rule_', .)"/>
- </xsl:attribute>
- <xsl:value-of select="."/>
- </a>
-</xsl:template>
-
<xsl:template match="nonterminal">
- <b><xsl:value-of select="@symbol"/></b>
- <xsl:value-of select="concat(' (', @type, ')')"/>
+ <b><xsl:value-of select="@name"/></b>
+ <xsl:value-of select="concat(' (', @symbol-number, ')')"/>
<xsl:text> </xsl:text>
- <xsl:if test="left/rule">
+ <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:apply-templates select="left/rule"/>
- <xsl:if test="left/rule and right/rule">
- <xsl:text> </xsl:text>
- </xsl:if>
- <xsl:if test="right/rule">
+ <xsl:if test="key('bison:ruleByRhs', @name)">
+ <xsl:if test="key('bison:ruleByLhs', @name)">
+ <xsl:text> </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:apply-templates select="right/rule"/>
<xsl:text> </xsl:text>
</xsl:template>
-<xsl:template match="nonterminal/left/rule|nonterminal/right/rule">
+<xsl:template match="rule" mode="number-link">
<xsl:text> </xsl:text>
<a>
<xsl:attribute name="href">
- <xsl:value-of select="concat('#rule_', .)"/>
+ <xsl:value-of select="concat('#rule_', @number)"/>
</xsl:attribute>
- <xsl:value-of select="."/>
+ <xsl:value-of select="@number"/>
</a>
</xsl:template>
<h3>
<a>
<xsl:attribute name="name">
- <xsl:value-of select="concat('state_', @number)"/>
+ <xsl:value-of select="concat('state_', @number)"/>
</xsl:attribute>
</a>
<xsl:text>state </xsl:text>
</h3>
<xsl:text> </xsl:text>
<p class="pre">
- <xsl:apply-templates select="itemset/rule">
+ <xsl:apply-templates select="itemset/item">
<xsl:with-param name="pad" select="$pad"/>
</xsl:apply-templates>
<xsl:apply-templates select="actions/transitions">
<xsl:text> </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:call-template name="max-width-symbol">
+ <xsl:with-param name="node" select="transition[@type = $type]"/>
+ </xsl:call-template>
</xsl:with-param>
</xsl:apply-templates>
</xsl:if>
<xsl:text> </xsl:text>
<xsl:apply-templates select="error">
<xsl:with-param name="pad">
- <xsl:call-template name="max-width-symbol">
- <xsl:with-param name="node" select="error"/>
- </xsl:call-template>
+ <xsl:call-template name="max-width-symbol">
+ <xsl:with-param name="node" select="error"/>
+ </xsl:call-template>
</xsl:with-param>
</xsl:apply-templates>
</xsl:if>
<xsl:text> </xsl:text>
<xsl:apply-templates select="reduction">
<xsl:with-param name="pad">
- <xsl:call-template name="max-width-symbol">
- <xsl:with-param name="node" select="reduction"/>
- </xsl:call-template>
+ <xsl:call-template name="max-width-symbol">
+ <xsl:with-param name="node" select="reduction"/>
+ </xsl:call-template>
</xsl:with-param>
</xsl:apply-templates>
</xsl:if>
</xsl:template>
+<xsl:template match="item">
+ <xsl:param name="pad"/>
+ <xsl:param name="prev-rule-number"
+ select="preceding-sibling::item[1]/@rule-number"/>
+ <xsl:apply-templates
+ select="key('bison:ruleByNumber', current()/@rule-number)"
+ >
+ <xsl:with-param name="itemset" select="'true'"/>
+ <xsl:with-param name="pad" select="$pad"/>
+ <xsl:with-param name="prev-lhs"
+ select="key('bison:ruleByNumber', $prev-rule-number)/lhs[text()]"
+ />
+ <xsl:with-param name="point" select="@point"/>
+ <xsl:with-param name="lookaheads">
+ <xsl:apply-templates select="lookaheads"/>
+ </xsl:with-param>
+ </xsl:apply-templates>
+</xsl:template>
+
<xsl:template match="rule">
+ <xsl:param name="itemset"/>
<xsl:param name="pad"/>
- <xsl:if test="not(name(..) = 'itemset') and not(preceding-sibling::rule[1]/lhs[text()] = lhs[text()])">
+ <xsl:param name="prev-lhs"/>
+ <xsl:param name="point"/>
+ <xsl:param name="lookaheads"/>
+
+ <xsl:if test="$itemset != 'true' and not($prev-lhs = lhs[text()])">
<xsl:text> </xsl:text>
</xsl:if>
- <xsl:if test="not(name(..) = 'itemset')">
+
+ <xsl:if test="$itemset != 'true'">
<a>
<xsl:attribute name="name">
- <xsl:value-of select="concat('rule_', @number)"/>
+ <xsl:value-of select="concat('rule_', @number)"/>
</xsl:attribute>
</a>
</xsl:if>
<xsl:text> </xsl:text>
+
<xsl:choose>
- <xsl:when test="name(..) = 'itemset'">
+ <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>
+ <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:with-param name="str" select="string(@number)"/>
+ <xsl:with-param name="pad" select="number($pad)"/>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
<xsl:text> </xsl:text>
+
+ <!-- LHS -->
<xsl:choose>
- <xsl:when test="preceding-sibling::rule[1]/lhs[text()] = lhs[text()]">
+ <xsl:when test="$itemset != 'true' and $prev-lhs = lhs[text()]">
<xsl:call-template name="lpad">
- <xsl:with-param name="str" select="'|'"/>
- <xsl:with-param name="pad" select="number(string-length(lhs[text()])) + 2"/>
+ <xsl:with-param name="str" select="'|'"/>
+ <xsl:with-param name="pad" select="number(string-length(lhs[text()])) + 2"/>
+ </xsl:call-template>
+ </xsl:when>
+ <xsl:when test="$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"/>
+ <xsl:value-of select="lhs"/>
</span>
<xsl:text> →</xsl:text>
</xsl:otherwise>
</xsl:choose>
- <xsl:apply-templates select="rhs/symbol|rhs/point|rhs/empty"/>
- <xsl:apply-templates select="lookaheads"/>
+
+ <!-- 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="$lookaheads"/>
+ </xsl:if>
+
<xsl:text> </xsl:text>
</xsl:template>
<xsl:template match="symbol">
<xsl:text> </xsl:text>
<xsl:choose>
- <xsl:when test="@class = 'nonterminal'">
+ <xsl:when test="name(key('bison:symbolByName', .)) = 'nonterminal'">
<span class="i"><xsl:value-of select="."/></span>
</xsl:when>
<xsl:otherwise>
</xsl:choose>
</xsl:template>
-<xsl:template match="point">
- <xsl:text> </xsl:text>
- <span class="point">.</span>
-</xsl:template>
-
<xsl:template match="empty">
<xsl:text> ε</xsl:text>
</xsl:template>
<xsl:choose>
<xsl:when test="@type = 'shift'">
<a>
- <xsl:attribute name="href">
- <xsl:value-of select="concat('#state_', @state)"/>
- </xsl:attribute>
- <xsl:value-of select="concat('shift, and go to state ', @state)"/>
+ <xsl:attribute name="href">
+ <xsl:value-of select="concat('#state_', @state)"/>
+ </xsl:attribute>
+ <xsl:value-of select="concat('shift, and go to state ', @state)"/>
</a>
</xsl:when>
<xsl:when test="@type = 'goto'">
<a>
- <xsl:attribute name="href">
- <xsl:value-of select="concat('#state_', @state)"/>
- </xsl:attribute>
- <xsl:value-of select="concat('go to state ', @state)"/>
+ <xsl:attribute name="href">
+ <xsl:value-of select="concat('#state_', @state)"/>
+ </xsl:attribute>
+ <xsl:value-of select="concat('go to state ', @state)"/>
</a>
</xsl:when>
</xsl:choose>
</xsl:when>
<xsl:otherwise>
<a>
- <xsl:attribute name="href">
- <xsl:value-of select="concat('#rule_', @rule)"/>
- </xsl:attribute>
- <xsl:value-of select="concat('reduce using rule ', @rule)"/>
+ <xsl:attribute name="href">
+ <xsl:value-of select="concat('#rule_', @rule)"/>
+ </xsl:attribute>
+ <xsl:value-of select="concat('reduce using rule ', @rule)"/>
</a>
<xsl:text> (</xsl:text>
<xsl:value-of
- select="/bison-xml-report/grammar/rules/rule[@number = current()/@rule]/lhs[text()]"/>
+ select="key('bison:ruleByNumber', current()/@rule)/lhs[text()]"
+ />
<xsl:text>)</xsl:text>
</xsl:otherwise>
</xsl:choose>
<xsl:variable name="longest">
<xsl:for-each select="$node">
<xsl:sort data-type="number" select="string-length(@symbol)"
- order="descending"/>
+ order="descending"/>
<xsl:if test="position() = 1">
- <xsl:value-of select="string-length(@symbol)"/>
+ <xsl:value-of select="string-length(@symbol)"/>
</xsl:if>
</xsl:for-each>
</xsl:variable>
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="space">
- <xsl:with-param name="repeat" select="$diff"/>
+ <xsl:with-param name="repeat" select="$diff"/>
</xsl:call-template>
<xsl:value-of select="$str"/>
</xsl:otherwise>
<xsl:otherwise>
<xsl:value-of select="$str"/>
<xsl:call-template name="space">
- <xsl:with-param name="repeat" select="$diff"/>
+ <xsl:with-param name="repeat" select="$diff"/>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
projects / bison.git / blobdiff