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bug(#3916): no recursion in to-phi.xsl #3918

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Merged
yegor256 merged 1 commit into from
Feb 13, 2025
Merged

bug(#3916): no recursion in to-phi.xsl #3918

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104 changes: 37 additions & 67 deletions eo-parser/src/main/resources/org/eolang/parser/phi/to-phi.xsl
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Original file line number Diff line number Diff line change
Expand Up @@ -170,56 +170,37 @@ SOFTWARE.
</xsl:function>
<!-- PRINT ARGUMENTS OF APPLICATION -->
<xsl:function name="eo:print-args">
<xsl:param name="current"/>
<xsl:param name="accum"/>
<xsl:param name="objects"/>
<xsl:param name="tabs"/>
<xsl:param name="inlined"/>
<xsl:choose>
<xsl:when test="exists($current)">
<xsl:variable name="elements" as="xs:string*">
<xsl:for-each select="$objects">
<xsl:variable name="applied">
<xsl:apply-templates select="$current">
<xsl:apply-templates select=".">
<xsl:with-param name="tabs" select="$tabs"/>
<xsl:with-param name="no-binding" select="true()"/>
</xsl:apply-templates>
</xsl:variable>
<xsl:variable name="joined">
<xsl:if test="string-length($accum)&gt;0">
<xsl:value-of select="$accum"/>
<xsl:text>||</xsl:text>
<xsl:value-of select="$applied"/>
</xsl:for-each>
</xsl:variable>
<xsl:choose>
<xsl:when test="eo:can-inline(string-join($elements, ', '), 0)">
<xsl:for-each select="$elements">
<xsl:if test="position()&gt;1">
<xsl:value-of select="eo:comma(position(), -1)"/>
<xsl:value-of select="$space"/>
</xsl:if>
<xsl:value-of select="$applied"/>
</xsl:variable>
<xsl:choose>
<xsl:when test="$inlined=true() and eo:can-inline($joined, 0)">
<xsl:value-of select="eo:print-args($current/following-sibling::o[1], $joined, $tabs, true())"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="eo:print-args($current/following-sibling::o[1], $joined, $tabs, false())"/>
</xsl:otherwise>
</xsl:choose>
<xsl:value-of select="."/>
</xsl:for-each>
</xsl:when>
<xsl:otherwise>
<xsl:choose>
<xsl:when test="contains($accum, '||')">
<xsl:for-each select="tokenize($accum, '\|\|')">
<xsl:if test="position()&gt;1">
<xsl:value-of select="eo:comma(position(), -1)"/>
<xsl:choose>
<xsl:when test="$inlined">
<xsl:value-of select="$space"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="eo:eol($tabs)"/>
</xsl:otherwise>
</xsl:choose>
</xsl:if>
<xsl:value-of select="."/>
</xsl:for-each>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$accum"/>
</xsl:otherwise>
</xsl:choose>
<xsl:for-each select="$elements">
<xsl:if test="position()&gt;1">
<xsl:value-of select="eo:comma(position(), -1)"/>
<xsl:value-of select="eo:eol($tabs)"/>
</xsl:if>
<xsl:value-of select="."/>
</xsl:for-each>
</xsl:otherwise>
</xsl:choose>
</xsl:function>
Expand Down Expand Up @@ -250,29 +231,18 @@ SOFTWARE.
α0 -> a, α1 -> b, ..., αN -> z
-->
<xsl:function name="eo:is-ordered" as="xs:boolean">
<xsl:param name="current"/>
<xsl:param name="position"/>
<xsl:variable name="current-pos" select="eo:element-binding($current, $position - 1)"/>
<xsl:variable name="next" select="$current/following-sibling::o[1]"/>
<xsl:variable name="next-pos" select="eo:element-binding($next, $position)"/>
<xsl:choose>
<xsl:when test="matches($current-pos, $number-pattern)">
<xsl:choose>
<xsl:when test="not($next)">
<xsl:sequence select="true()"/>
</xsl:when>
<xsl:when test="matches($next-pos, $number-pattern) and $current-pos + 1 = $next-pos">
<xsl:value-of select="eo:is-ordered($next, $position + 1)"/>
</xsl:when>
<xsl:otherwise>
<xsl:sequence select="false()"/>
</xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:otherwise>
<xsl:sequence select="false()"/>
</xsl:otherwise>
</xsl:choose>
<xsl:param name="objects" as="element()*"/>
<xsl:variable name="generated">
<xsl:for-each select="$objects">
<xsl:value-of select="xs:string(eo:element-binding(., position() - 1))"/>
</xsl:for-each>
</xsl:variable>
<xsl:variable name="template">
<xsl:for-each select="0 to (count($objects) - 1)">
<xsl:value-of select="xs:string(.)"/>
</xsl:for-each>
</xsl:variable>
<xsl:value-of select="string-join($generated, '')=string-join($template, '')"/>
</xsl:function>
<!-- Program -->
<xsl:template match="program">
Expand Down Expand Up @@ -452,11 +422,10 @@ SOFTWARE.
<xsl:param name="after-start"/>
<xsl:param name="o-position"/>
<xsl:param name="nested"/>
<xsl:value-of select="$clb"/>
<xsl:variable name="applied">
<xsl:choose>
<xsl:when test="eo:is-ordered(o[position()=$o-position][1], $o-position)">
<xsl:value-of select="eo:print-args(o[position()=$o-position][1], '', $tabs + 1, true())"/>
<xsl:when test="eo:is-ordered($nested)">
<xsl:value-of select="eo:print-args($nested, $tabs + 1)"/>
</xsl:when>
<xsl:otherwise>
<xsl:for-each select="$nested">
Expand All @@ -469,6 +438,7 @@ SOFTWARE.
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:value-of select="$clb"/>
<xsl:choose>
<xsl:when test="not(eo:can-inline($applied, $after-start))">
<xsl:value-of select="eo:eol($tabs+1)"/>
Expand Down