Update string repr of WcclFile with imports section.

libwccl/wcclfile.cpp

@@ -38,6 +38,12 @@ boost::shared_ptr<const TagRuleSequence> WcclFile::get_tag_rules_ptr() const
 
 std::ostream& WcclFile::write_to(std::ostream& os) const
 {
+	if (has_lexicons()) {
+		foreach(const Lexicons::map_t::value_type& v, lexicons_->get_lexicons()) {
+			os << "import(\"" << v.second->file_name() << ", \""
+				<< v.second->name() << "\")\n";
+		}
+	}
 	foreach(const boost::shared_ptr<FunctionalOpSequence>& s, all_sections_) {
 		os << s->to_string(tagset_) << '\n';
 	}

libwccl/wcclfile.h

@@ -77,6 +77,7 @@ public:
 
 	void import_lexicon(const boost::shared_ptr<Lexicon>& lexicon);
 	bool has_lexicon(const std::string& name) const;
+	bool has_lexicons() const;
 	boost::shared_ptr<const Lexicon> get_lexicon_ptr(const std::string& name) const;
 	const Lexicon& get_lexicon(const std::string& name) const;
 	boost::shared_ptr<const Lexicons> get_lexicons_ptr() const;
@@ -307,6 +308,12 @@ bool WcclFile::has_lexicon(const std::string& name) const
 	return lexicons_->has_lexicon(name);
 }
 
+inline
+bool WcclFile::has_lexicons() const
+{
+	return lexicons_;
+}
+
 inline
 boost::shared_ptr<const Lexicon> WcclFile::get_lexicon_ptr(const std::string& name) const
 {