<!--
xml2text.xsl - transform Bison XML Report into plain text.
- $Id$
- 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:template>
<xsl:template match="bison-xml-report">
- <xsl:apply-templates select="reductions"/>
- <xsl:apply-templates select="rules-useless-in-parser"/>
+ <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-useless-in-parser">
- <xsl:if test="rule">
- <xsl:text>Rules useless in parser due to conflicts </xsl:text>
- <xsl:apply-templates select="rule">
- <xsl:with-param name="pad" select="'3'"/>
- </xsl:apply-templates>
- <xsl:text> </xsl:text>
- </xsl:if>
+<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="reductions">
- <xsl:apply-templates select="useless-in-grammar/nonterminals"/>
- <xsl:apply-templates select="unused/terminals"/>
- <xsl:apply-templates select="useless-in-grammar/rules"/>
+<xsl:template match="nonterminals" mode="useless-in-grammar">
+ <xsl:if test="nonterminal[@usefulness='useless-in-grammar']">
+ <xsl:text>Nonterminals useless in grammar </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>
+ </xsl:if>
</xsl:template>
-<xsl:template match="useless-in-grammar/nonterminals">
- <xsl:if test="nonterminal">
- <xsl:text>Nonterminals useless in grammar </xsl:text>
- <xsl:for-each select="nonterminal">
+<xsl:template match="terminals" mode="unused-in-grammar">
+ <xsl:if test="terminal[@usefulness='unused-in-grammar']">
+ <xsl:text>Terminals unused in grammar </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="."/>
+ <xsl:value-of select="@name"/>
<xsl:text> </xsl:text>
</xsl:for-each>
<xsl:text> </xsl:text>
</xsl:if>
</xsl:template>
-<xsl:template match="useless-in-grammar/rules">
- <xsl:if test="rule">
+<xsl:template match="rules" mode="useless-in-grammar">
+ <xsl:variable name="set" select="rule[@usefulness='useless-in-grammar']"/>
+ <xsl:if test="$set">
<xsl:text>Rules useless in grammar </xsl:text>
- <xsl:apply-templates select="rule">
- <xsl:with-param name="pad" select="'3'"/>
- </xsl:apply-templates>
+ <xsl:call-template name="style-rule-set">
+ <xsl:with-param name="rule-set" select="$set"/>
+ </xsl:call-template>
<xsl:text> </xsl:text>
</xsl:if>
</xsl:template>
-<xsl:template match="unused/terminals">
- <xsl:if test="terminal">
- <xsl:text>Terminals which are not used </xsl:text>
- <xsl:for-each select="terminal">
- <xsl:text> </xsl:text>
- <xsl:value-of select="."/>
- <xsl:text> </xsl:text>
- </xsl:for-each>
+<xsl:template match="grammar" mode="useless-in-parser">
+ <xsl:variable
+ name="set" select="rules/rule[@usefulness='useless-in-parser']"
+ />
+ <xsl:if test="$set">
+ <xsl:text>Rules useless in parser due to conflicts </xsl:text>
+ <xsl:call-template name="style-rule-set">
+ <xsl:with-param name="rule-set" select="$set"/>
+ </xsl:call-template>
<xsl:text> </xsl:text>
</xsl:if>
</xsl:template>
<xsl:template match="grammar">
<xsl:text>Grammar </xsl:text>
- <xsl:apply-templates select="rules/rule">
- <xsl:with-param name="pad" select="'3'"/>
- </xsl:apply-templates>
+ <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> </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 </xsl:text>
<xsl:apply-templates select="terminal"/>
<xsl:template match="grammar/nonterminals">
<xsl:text>Nonterminals, with rules where they appear </xsl:text>
- <xsl:apply-templates select="nonterminal"/>
+ <xsl:apply-templates select="nonterminal[@usefulness!='useless-in-grammar']"/>
</xsl:template>
<xsl:template match="terminal">
<xsl:with-param name="line-length" select="66" />
<xsl:with-param name="text">
<xsl:value-of select="concat(' (', @token-number, ')')"/>
- <xsl:apply-templates select="rule" />
+ <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="terminal/rule">
- <xsl:text> </xsl:text>
- <xsl:value-of select="."/>
-</xsl:template>
-
<xsl:template match="nonterminal">
<xsl:value-of select="@name"/>
<xsl:value-of select="concat(' (', @symbol-number, ')')"/>
<xsl:with-param name="line-length" select="66" />
<xsl:with-param name="text">
<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:value-of select="concat(' ', @number)"/>
+ </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:value-of select="concat(' ', @number)"/>
+ </xsl:for-each>
</xsl:if>
- <xsl:apply-templates select="right/rule"/>
</xsl:with-param>
</xsl:call-template>
</xsl:variable>
<xsl:value-of select="translate($output, '@', ' ')" />
</xsl:template>
-<xsl:template match="nonterminal/left/rule|nonterminal/right/rule">
- <xsl:text> </xsl:text>
- <xsl:value-of select="."/>
-</xsl:template>
-
<xsl:template match="automaton" mode="conflicts">
<xsl:variable name="conflict-report">
<xsl:apply-templates select="state" mode="conflicts"/>
<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 = $type]"/>
+ </xsl:call-template>
</xsl:with-param>
</xsl:apply-templates>
</xsl:if>
<xsl:text> </xsl:text>
<xsl:apply-templates select="error">
<xsl:with-param name="pad">
- <xsl:call-template name="max-width-symbol">
- <xsl:with-param name="node" select="error"/>
- </xsl:call-template>
+ <xsl:call-template name="max-width-symbol">
+ <xsl:with-param name="node" select="error"/>
+ </xsl:call-template>
</xsl:with-param>
</xsl:apply-templates>
</xsl:if>
<xsl:text> </xsl:text>
<xsl:apply-templates select="reduction">
<xsl:with-param name="pad">
- <xsl:call-template name="max-width-symbol">
- <xsl:with-param name="node" select="reduction"/>
- </xsl:call-template>
+ <xsl:call-template name="max-width-symbol">
+ <xsl:with-param name="node" select="reduction"/>
+ </xsl:call-template>
</xsl:with-param>
</xsl:apply-templates>
</xsl:if>
<xsl:template match="item">
<xsl:param name="pad"/>
<xsl:param name="prev-rule-number"
- select="preceding-sibling::item[1]/@rule-number"/>
- <xsl:apply-templates select="key('bison:ruleNumber', current()/@rule-number)">
+ select="preceding-sibling::item[1]/@rule-number"/>
+ <xsl:apply-templates
+ select="key('bison:ruleByNumber', current()/@rule-number)"
+ >
<xsl:with-param name="itemset" select="'true'"/>
<xsl:with-param name="pad" select="$pad"/>
- <xsl:with-param name="prev-lhs"
- select="key('bison:ruleNumber', $prev-rule-number)/lhs[text()]"/>
+ <xsl:with-param
+ name="prev-lhs"
+ select="key('bison:ruleByNumber', $prev-rule-number)/lhs[text()]"
+ />
<xsl:with-param name="point" select="@point"/>
<xsl:with-param name="lookaheads">
<xsl:apply-templates select="lookaheads"/>
<xsl:param name="point"/>
<xsl:param name="lookaheads"/>
- <xsl:if test="$itemset != 'true'
- and not(preceding-sibling::rule[1]/lhs[text()] = lhs[text()])">
+ <xsl:if test="$itemset != 'true' and not($prev-lhs = lhs[text()])">
<xsl:text> </xsl:text>
</xsl:if>
<!-- LHS -->
<xsl:choose>
- <xsl:when test="$itemset != 'true'
- and preceding-sibling::rule[1]/lhs[text()] = lhs[text()]">
+ <xsl:when test="$itemset != 'true' and $prev-lhs = lhs[text()]">
<xsl:call-template name="lpad">
- <xsl:with-param name="str" select="'|'"/>
- <xsl:with-param name="pad" select="number(string-length(lhs[text()])) + 1"/>
+ <xsl:with-param name="str" select="'|'"/>
+ <xsl:with-param name="pad" select="number(string-length(lhs[text()])) + 1"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="$itemset = 'true' and $prev-lhs = lhs[text()]">
<xsl:call-template name="lpad">
- <xsl:with-param name="str" select="'|'"/>
- <xsl:with-param name="pad" select="number(string-length(lhs[text()])) + 1"/>
+ <xsl:with-param name="str" select="'|'"/>
+ <xsl:with-param name="pad" select="number(string-length(lhs[text()])) + 1"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="@rule"/>
<xsl:text> (</xsl:text>
<xsl:value-of
- select="key('bison:ruleNumber', current()/@rule)/lhs[text()]"/>
+ select="key('bison:ruleByNumber', current()/@rule)/lhs[text()]"/>
<xsl:text>)</xsl:text>
</xsl:otherwise>
</xsl:choose>
<xsl:variable name="longest">
<xsl:for-each select="$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>
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