Remove remaining dependence on CVS Id keyword.

[bison.git] / data / xslt / xml2text.xsl

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

<!--
    xml2text.xsl - transform Bison XML Report into plain text.

    Copyright (C) 2007, 2008 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 <polak@gnu.org>.
  -->

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

<xsl:import href="bison.xsl"/>
<xsl:output method="text" encoding="UTF-8" indent="no"/>

<xsl:template match="/">
  <xsl:apply-templates select="bison-xml-report"/>
</xsl:template>

<xsl:template match="bison-xml-report">
  <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">
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  <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">
  <xsl:if test="nonterminal[@usefulness='useless-in-grammar']">
    <xsl:text>Nonterminals useless in grammar&#10;&#10;</xsl:text>
    <xsl:for-each select="nonterminal[@usefulness='useless-in-grammar']">
      <xsl:text>   </xsl:text>
      <xsl:value-of select="@name"/>
      <xsl:text>&#10;</xsl:text>
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    <xsl:text>&#10;&#10;</xsl:text>
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</xsl:template>

<xsl:template match="terminals" mode="unused-in-grammar">
  <xsl:if test="terminal[@usefulness='unused-in-grammar']">
    <xsl:text>Terminals unused in grammar&#10;&#10;</xsl:text>
    <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>
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    <xsl:text>&#10;&#10;</xsl:text>
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</xsl:template>

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

<xsl:template match="grammar" mode="useless-in-parser">
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    name="set" select="rules/rule[@usefulness='useless-in-parser']"
  />
  <xsl:if test="$set">
    <xsl:text>Rules useless in parser due to conflicts&#10;</xsl:text>
    <xsl:call-template name="style-rule-set">
      <xsl:with-param name="rule-set" select="$set"/>
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    <xsl:text>&#10;&#10;</xsl:text>
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<xsl:template match="grammar">
  <xsl:text>Grammar&#10;</xsl:text>
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    <xsl:with-param
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  <xsl:text>&#10;&#10;</xsl:text>
  <xsl:apply-templates select="terminals"/>
  <xsl:apply-templates select="nonterminals"/>
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<xsl:template name="style-rule-set">
  <xsl:param name="rule-set"/>
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        <xsl:if test="position()>1">
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          <xsl:value-of select="$rule-set[$position - 1]/lhs"/>
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<xsl:template match="grammar/terminals">
  <xsl:text>Terminals, with rules where they appear&#10;&#10;</xsl:text>
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<xsl:template match="grammar/nonterminals">
  <xsl:text>Nonterminals, with rules where they appear&#10;&#10;</xsl:text>
  <xsl:apply-templates select="nonterminal[@usefulness!='useless-in-grammar']"/>
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<xsl:template match="terminal">
  <xsl:value-of select="@name"/>
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    <xsl:with-param name="first-line-length">
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        <xsl:when test="string-length(@name) &gt; 66">0</xsl:when>
        <xsl:otherwise>
          <xsl:value-of select="66 - string-length(@name)" />
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    <xsl:with-param name="line-length" select="66" />
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        <xsl:value-of select="concat(' ', @number)"/>
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  </xsl:call-template>
</xsl:template>

<xsl:template match="nonterminal">
  <xsl:value-of select="@name"/>
  <xsl:value-of select="concat(' (', @symbol-number, ')')"/>
  <xsl:text>&#10;</xsl:text>
  <xsl:variable name="output">
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      <xsl:with-param name="line-length" select="66" />
      <xsl:with-param name="text">
        <xsl:text>    </xsl:text>
        <xsl:if test="key('bison:ruleByLhs', @name)">
          <xsl:text>on@left:</xsl:text>
          <xsl:for-each select="key('bison:ruleByLhs', @name)">
            <xsl:value-of select="concat(' ', @number)"/>
          </xsl:for-each>
        </xsl:if>
        <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:value-of select="concat(' ', @number)"/>
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  <xsl:value-of select="translate($output, '@', ' ')" />
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<xsl:template match="automaton" mode="conflicts">
  <xsl:variable name="conflict-report">
    <xsl:apply-templates select="state" mode="conflicts"/>
  </xsl:variable>
  <xsl:if test="string-length($conflict-report) != 0">
    <xsl:value-of select="$conflict-report"/>
    <xsl:text>&#10;&#10;</xsl:text>
  </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
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  />
  <xsl:variable
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  <xsl:if test="$sr-count > 0 or $rr-count > 0">
    <xsl:value-of select="concat('State ', @number, ' conflicts:')"/>
    <xsl:if test="$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>
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<xsl:template match="automaton">
  <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>
  <xsl:text>state </xsl:text>
  <xsl:value-of select="@number"/>
  <xsl:text>&#10;&#10;</xsl:text>
  <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"/>
</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
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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()]"
   />
    <xsl:with-param name="point" select="@point"/>
    <xsl:with-param name="lookaheads">
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</xsl:template>

<xsl:template match="rule">
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  <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:text>  </xsl:text>
  <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:text> </xsl:text>

  <!-- LHS -->
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	<xsl:with-param name="pad" select="number(string-length(lhs[text()])) + 1"/>
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    <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()])) + 1"/>
      </xsl:call-template>
    </xsl:when>
    <xsl:otherwise>
      <xsl:value-of select="lhs"/>
      <xsl:text>:</xsl:text>
    </xsl:otherwise>
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  <!-- RHS -->
  <xsl:for-each select="rhs/*">
    <xsl:if test="position() = $point + 1">
      <xsl:text> .</xsl:text>
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      <xsl:apply-templates select="."/>
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    <xsl:if test="$itemset != 'true'">
      <xsl:apply-templates select="."/>
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    <xsl:if test="position() = last() and position() = $point">
      <xsl:text> .</xsl:text>
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  <xsl:if test="$lookaheads">
    <xsl:value-of select="$lookaheads"/>
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  <xsl:text>&#10;</xsl:text>
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<xsl:template match="symbol">
  <xsl:text> </xsl:text>
  <xsl:value-of select="."/>
</xsl:template>

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

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

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

<xsl:template match="error">
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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"/>
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  <xsl:text>error</xsl:text>
  <xsl:text> (</xsl:text>
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  <xsl:text>)</xsl:text>
  <xsl:text>&#10;</xsl:text>
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<xsl:template match="reduction">
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  <xsl:call-template name="rpad">
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  <xsl:if test="@enabled = 'false'">
    <xsl:text>[</xsl:text>
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  <xsl:choose>
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    <xsl:otherwise>
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      <xsl:value-of select="@rule"/>
      <xsl:text> (</xsl:text>
      <xsl:value-of
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      <xsl:text>)</xsl:text>
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  </xsl:choose>
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  <xsl:text>&#10;</xsl:text>
</xsl:template>

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    <xsl:apply-templates select="resolution"/>
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<xsl:template match="resolution">
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  <xsl:text> and token </xsl:text>
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  <xsl:text> resolved as </xsl:text>
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  <xsl:value-of select="@type"/>
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  <xsl:text>).&#10;</xsl:text>
</xsl:template>

<xsl:template name="max-width-symbol">
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