#define __GINAC_BASIC_H__
#include <iostream>
-#include <typeinfo>
#include <vector>
// CINT needs <algorithm> to work properly with <vector>
class numeric;
class relational;
class archive_node;
+class print_context;
// Cint doesn't like vector<..,default_alloc> but malloc_alloc is
// unstandardized and not supported by newer GCCs.
friend class ex;
-// member functions
-
// default ctor, dtor, copy ctor assignment operator and helpers
public:
basic() : tinfo_key(TINFO_basic), flags(0), refcount(0)
// new virtual functions which can be overridden by derived classes
public: // only const functions please (may break reference counting)
virtual basic * duplicate() const;
- virtual void print(std::ostream & os,unsigned upper_precedence = 0) const;
- virtual void printraw(std::ostream & os) const;
- virtual void printtree(std::ostream & os, unsigned indent) const;
- virtual void printcsrc(std::ostream & os, unsigned type, unsigned upper_precedence = 0) const;
+ virtual void print(const print_context & c, unsigned level = 0) const;
virtual void dbgprint(void) const;
virtual void dbgprinttree(void) const;
virtual bool info(unsigned inf) const;
virtual ex operator[](const ex & index) const;
virtual ex operator[](int i) const;
virtual bool has(const ex & other) const;
- virtual int degree(const symbol & s) const;
- virtual int ldegree(const symbol & s) const;
- virtual ex coeff(const symbol & s, int n = 1) const;
- virtual ex collect(const symbol & s) const;
+ virtual int degree(const ex & s) const;
+ virtual int ldegree(const ex & s) const;
+ virtual ex coeff(const ex & s, int n = 1) const;
+ virtual ex collect(const ex & s) const;
virtual ex eval(int level = 0) const;
virtual ex evalf(int level = 0) const;
virtual ex series(const relational & r, int order, unsigned options = 0) const;
const basic & hold(void) const;
unsigned gethash(void) const { if (flags & status_flags::hash_calculated) return hashvalue; else return calchash(); }
unsigned tinfo(void) const {return tinfo_key;}
+
/** Set some status_flags. */
const basic & setflag(unsigned f) const {flags |= f; return *this;}
+
/** Clear some status_flags. */
const basic & clearflag(unsigned f) const {flags &= ~f; return *this;}
+
+ /** Get relative precedence level (useful for implementing pretty-printed
+ * output). */
+ unsigned get_precedence(void) const {return precedence;}
+
protected:
void ensure_if_modifiable(void) const;
-// member variables
-
+ // member variables
protected:
unsigned tinfo_key; ///< typeinfo
mutable unsigned flags; ///< of type status_flags
mutable unsigned hashvalue; ///< hash value
static unsigned precedence; ///< precedence for printing parens
- static unsigned delta_indent; ///< precedence for printtree
private:
unsigned refcount; ///< Number of reference counts
};