* Definition of helper classes for expression output. */
/*
- * GiNaC Copyright (C) 1999-2016 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2019 Johannes Gutenberg University Mainz, Germany
*
* 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
};
-/** Macro for inclusion in the declaration of a print_context class.
- * It declares some functions that are common to all classes derived
- * from 'print_context' as well as all required stuff for the GiNaC
- * registry. */
-#define GINAC_DECLARE_PRINT_CONTEXT(classname, supername) \
+/** Common part of GINAC_DECLARE_PRINT_CONTEXT_BASE and GINAC_DECLARE_PRINT_CONTEXT_DERIVED. */
+#define GINAC_DECLARE_PRINT_CONTEXT_COMMON(classname) \
public: \
- typedef supername inherited; \
friend class function_options; \
friend class registered_class_options; \
-public: \
static const GiNaC::print_context_class_info &get_class_info_static(); \
+ classname();
+
+#define GINAC_DECLARE_PRINT_CONTEXT_BASE(classname) \
+ GINAC_DECLARE_PRINT_CONTEXT_COMMON(classname) \
virtual const GiNaC::print_context_class_info &get_class_info() const { return classname::get_class_info_static(); } \
virtual const char *class_name() const { return classname::get_class_info_static().options.get_name(); } \
- \
- classname(); \
virtual classname * duplicate() const { return new classname(*this); } \
private:
+/** Macro for inclusion in the declaration of a print_context class.
+ * It declares some functions that are common to all classes derived
+ * from 'print_context' as well as all required stuff for the GiNaC
+ * registry. */
+#define GINAC_DECLARE_PRINT_CONTEXT(classname, supername) \
+ GINAC_DECLARE_PRINT_CONTEXT_COMMON(classname) \
+ typedef supername inherited; \
+ const GiNaC::print_context_class_info &get_class_info() const override { return classname::get_class_info_static(); } \
+ const char *class_name() const override { return classname::get_class_info_static().options.get_name(); } \
+ classname * duplicate() const override { return new classname(*this); } \
+private:
+
/** Macro for inclusion in the implementation of each print_context class. */
#define GINAC_IMPLEMENT_PRINT_CONTEXT(classname, supername) \
const GiNaC::print_context_class_info &classname::get_class_info_static() \
/** Base class for print_contexts. */
class print_context
{
- GINAC_DECLARE_PRINT_CONTEXT(print_context, void)
+ GINAC_DECLARE_PRINT_CONTEXT_BASE(print_context)
public:
print_context(std::ostream &, unsigned options = 0);
virtual ~print_context() {}