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-rw-r--r--gnuwin32/share/bison/xslt/xml2text.xsl581
1 files changed, 581 insertions, 0 deletions
diff --git a/gnuwin32/share/bison/xslt/xml2text.xsl b/gnuwin32/share/bison/xslt/xml2text.xsl
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+++ b/gnuwin32/share/bison/xslt/xml2text.xsl
@@ -0,0 +1,581 @@
+<?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">
+ <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">
+ <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>
+ </xsl:for-each>
+ <xsl:text>&#10;&#10;</xsl:text>
+ </xsl:if>
+</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>
+ </xsl:for-each>
+ <xsl:text>&#10;&#10;</xsl:text>
+ </xsl:if>
+</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"/>
+ </xsl:call-template>
+ <xsl:text>&#10;&#10;</xsl:text>
+ </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="$set">
+ <xsl:text>Rules useless in parser due to conflicts&#10;</xsl:text>
+ <xsl:call-template name="style-rule-set">
+ <xsl:with-param name="rule-set" select="$set"/>
+ </xsl:call-template>
+ <xsl:text>&#10;&#10;</xsl:text>
+ </xsl:if>
+</xsl:template>
+
+<xsl:template match="grammar">
+ <xsl:text>Grammar&#10;</xsl:text>
+ <xsl:call-template name="style-rule-set">
+ <xsl:with-param
+ name="rule-set" select="rules/rule[@usefulness!='useless-in-grammar']"
+ />
+ </xsl:call-template>
+ <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="grammar/terminals">
+ <xsl:text>Terminals, with rules where they appear&#10;&#10;</xsl:text>
+ <xsl:apply-templates select="terminal"/>
+ <xsl:text>&#10;&#10;</xsl:text>
+</xsl:template>
+
+<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']"/>
+</xsl:template>
+
+<xsl:template match="terminal">
+ <xsl:value-of select="@name"/>
+ <xsl:call-template name="line-wrap">
+ <xsl:with-param name="first-line-length">
+ <xsl:choose>
+ <xsl:when test="string-length(@name) &gt; 66">0</xsl:when>
+ <xsl:otherwise>
+ <xsl:value-of select="66 - string-length(@name)" />
+ </xsl:otherwise>
+ </xsl:choose>
+ </xsl:with-param>
+ <xsl:with-param name="line-length" select="66" />
+ <xsl:with-param name="text">
+ <xsl:value-of select="concat(' (', @token-number, ')')"/>
+ <xsl:for-each select="key('bison:ruleByRhs', @name)">
+ <xsl:value-of select="concat(' ', @number)"/>
+ </xsl:for-each>
+ </xsl:with-param>
+ </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">
+ <xsl:call-template name="line-wrap">
+ <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)"/>
+ </xsl:for-each>
+ </xsl:if>
+ </xsl:with-param>
+ </xsl:call-template>
+ </xsl:variable>
+ <xsl:value-of select="translate($output, '@', ' ')" />
+</xsl:template>
+
+<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
+ 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 $rr-count > 0">
+ <xsl:value-of select="concat('State ', @number, ' conflicts:')"/>
+ <xsl:if test="$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(' ', $rr-count, ' reduce/reduce')"/>
+ </xsl:if>
+ <xsl:value-of select="'&#10;'"/>
+ </xsl:if>
+</xsl:template>
+
+<xsl:template match="automaton">
+ <xsl:apply-templates select="state">
+ <xsl:with-param name="pad" select="'3'"/>
+ </xsl:apply-templates>
+</xsl:template>
+
+<xsl:template match="automaton/state">
+ <xsl:param name="pad"/>
+ <xsl:text>&#10;&#10;</xsl:text>
+ <xsl:text>state </xsl:text>
+ <xsl:value-of select="@number"/>
+ <xsl:text>&#10;&#10;</xsl:text>
+ <xsl:apply-templates select="itemset/item">
+ <xsl:with-param name="pad" select="$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 = $type]"/>
+ </xsl:call-template>
+ </xsl:with-param>
+ </xsl:apply-templates>
+ </xsl:if>
+</xsl:template>
+
+<xsl:template match="actions/errors">
+ <xsl:if test="error">
+ <xsl:text>&#10;</xsl:text>
+ <xsl:apply-templates select="error">
+ <xsl:with-param name="pad">
+ <xsl:call-template name="max-width-symbol">
+ <xsl:with-param name="node" select="error"/>
+ </xsl:call-template>
+ </xsl:with-param>
+ </xsl:apply-templates>
+ </xsl:if>
+</xsl:template>
+
+<xsl:template match="actions/reductions">
+ <xsl:if test="reduction">
+ <xsl:text>&#10;</xsl:text>
+ <xsl:apply-templates select="reduction">
+ <xsl:with-param name="pad">
+ <xsl:call-template name="max-width-symbol">
+ <xsl:with-param name="node" select="reduction"/>
+ </xsl:call-template>
+ </xsl:with-param>
+ </xsl:apply-templates>
+ </xsl:if>
+</xsl:template>
+
+<xsl:template match="item">
+ <xsl:param name="pad"/>
+ <xsl:param name="prev-rule-number"
+ select="preceding-sibling::item[1]/@rule-number"/>
+ <xsl:apply-templates
+ select="key('bison:ruleByNumber', current()/@rule-number)"
+ >
+ <xsl:with-param name="itemset" select="'true'"/>
+ <xsl:with-param name="pad" select="$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($prev-lhs = lhs[text()])">
+ <xsl:text>&#10;</xsl:text>
+ </xsl:if>
+
+ <xsl:text> </xsl:text>
+ <xsl:call-template name="lpad">
+ <xsl:with-param name="str" select="string(@number)"/>
+ <xsl:with-param name="pad" select="number($pad)"/>
+ </xsl:call-template>
+ <xsl:text> </xsl:text>
+
+ <!-- LHS -->
+ <xsl:choose>
+ <xsl:when test="$itemset != 'true' and $prev-lhs = lhs[text()]">
+ <xsl:call-template name="lpad">
+ <xsl:with-param name="str" select="'|'"/>
+ <xsl:with-param name="pad" select="number(string-length(lhs[text()])) + 1"/>
+ </xsl:call-template>
+ </xsl:when>
+ <xsl:when test="$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()])) + 1"/>
+ </xsl:call-template>
+ </xsl:when>
+ <xsl:otherwise>
+ <xsl:value-of select="lhs"/>
+ <xsl:text>:</xsl:text>
+ </xsl:otherwise>
+ </xsl:choose>
+
+ <!-- RHS -->
+ <xsl:for-each select="rhs/*">
+ <xsl:if test="position() = $point + 1">
+ <xsl:text> .</xsl:text>
+ </xsl:if>
+ <xsl:if test="$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() = $point">
+ <xsl:text> .</xsl:text>
+ </xsl:if>
+ </xsl:for-each>
+ <xsl:if test="$lookaheads">
+ <xsl:value-of select="$lookaheads"/>
+ </xsl:if>
+
+ <xsl:text>&#10;</xsl:text>
+</xsl:template>
+
+<xsl:template match="symbol">
+ <xsl:text> </xsl:text>
+ <xsl:value-of select="."/>
+</xsl:template>
+
+<xsl:template match="empty">
+ <xsl:text> /* empty */</xsl:text>
+</xsl:template>
+
+<xsl:template match="lookaheads">
+ <xsl:text> [</xsl:text>
+ <xsl:apply-templates select="symbol"/>
+ <xsl:text>]</xsl:text>
+</xsl:template>
+
+<xsl:template match="lookaheads/symbol">
+ <xsl:value-of select="."/>
+ <xsl:if test="position() != last()">
+ <xsl:text>, </xsl:text>
+ </xsl:if>
+</xsl:template>
+
+<xsl:template match="transition">
+ <xsl:param name="pad"/>
+ <xsl:text> </xsl:text>
+ <xsl:call-template name="rpad">
+ <xsl:with-param name="str" select="string(@symbol)"/>
+ <xsl:with-param name="pad" select="number($pad) + 2"/>
+ </xsl:call-template>
+ <xsl:choose>
+ <xsl:when test="@type = 'shift'">
+ <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">
+ <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>
+ <xsl:text>reduce using rule </xsl:text>
+ <xsl:value-of select="@rule"/>
+ <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 rule </xsl:text>
+ <xsl:value-of select="@rule"/>
+ <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>).&#10;</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="$diff &lt; 0">
+ <xsl:value-of select="$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="$diff &lt; 0">
+ <xsl:value-of select="$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($repeat) &gt;= 1">
+ <xsl:call-template name="space">
+ <xsl:with-param name="repeat" select="$repeat - 1"/>
+ <xsl:with-param name="fill" select="$fill"/>
+ </xsl:call-template>
+ <xsl:value-of select="$fill"/>
+ </xsl:if>
+</xsl:template>
+
+<xsl:template name="line-wrap">
+ <xsl:param name="line-length"/> <!-- required -->
+ <xsl:param name="first-line-length" select="$line-length"/>
+ <xsl:param name="text"/> <!-- required -->
+ <xsl:choose>
+ <xsl:when test="normalize-space($text) = ''" />
+ <xsl:when test="string-length($text) &lt;= $first-line-length">
+ <xsl:value-of select="concat($text, '&#10;')" />
+ </xsl:when>
+ <xsl:otherwise>
+ <xsl:variable name="break-pos">
+ <xsl:call-template name="ws-search">
+ <xsl:with-param name="text" select="$text" />
+ <xsl:with-param name="start" select="$first-line-length+1" />
+ </xsl:call-template>
+ </xsl:variable>
+ <xsl:value-of select="substring($text, 1, $break-pos - 1)" />
+ <xsl:text>&#10;</xsl:text>
+ <xsl:call-template name="line-wrap">
+ <xsl:with-param name="line-length" select="$line-length" />
+ <xsl:with-param
+ name="text" select="concat(' ', substring($text, $break-pos+1))"
+ />
+ </xsl:call-template>
+ </xsl:otherwise>
+ </xsl:choose>
+</xsl:template>
+
+<xsl:template name="ws-search">
+ <xsl:param name="text"/> <!-- required -->
+ <xsl:param name="start"/> <!-- required -->
+ <xsl:variable name="search-text" select="substring($text, $start)" />
+ <xsl:choose>
+ <xsl:when test="not(contains($search-text, ' '))">
+ <xsl:value-of select="string-length($text)+1" />
+ </xsl:when>
+ <xsl:otherwise>
+ <xsl:value-of
+ select="$start + string-length(substring-before($search-text, ' '))"
+ />
+ </xsl:otherwise>
+ </xsl:choose>
+</xsl:template>
+
+</xsl:stylesheet>