/********************* */
/*! \file printer.h
** \verbatim
- ** Original author: Morgan Deters
- ** Major contributors: none
- ** Minor contributors (to current version): Andrew Reynolds
+ ** Top contributors (to current version):
+ ** Tim King, Morgan Deters, Andrew Reynolds
** This file is part of the CVC4 project.
- ** Copyright (c) 2009-2013 New York University and The University of Iowa
- ** See the file COPYING in the top-level source directory for licensing
- ** information.\endverbatim
+ ** Copyright (c) 2009-2019 by the authors listed in the file AUTHORS
+ ** in the top-level source directory) and their institutional affiliations.
+ ** All rights reserved. See the file COPYING in the top-level source
+ ** directory for licensing information.\endverbatim
**
** \brief Base of the pretty-printer interface
**
#include "cvc4_private.h"
-#ifndef __CVC4__PRINTER__PRINTER_H
-#define __CVC4__PRINTER__PRINTER_H
+#ifndef CVC4__PRINTER__PRINTER_H
+#define CVC4__PRINTER__PRINTER_H
+
+#include <map>
+#include <string>
-#include "util/language.h"
-#include "util/sexpr.h"
-#include "util/model.h"
#include "expr/node.h"
-#include "expr/command.h"
+#include "options/language.h"
+#include "smt/command.h"
+#include "smt/model.h"
+#include "util/sexpr.h"
namespace CVC4 {
-class Printer {
- /** Printers for each OutputLanguage */
- static Printer* d_printers[language::output::LANG_MAX];
-
- /** Make a Printer for a given OutputLanguage */
- static Printer* makePrinter(OutputLanguage lang) throw();
-
- // disallow copy, assignment
- Printer(const Printer&) CVC4_UNUSED;
- Printer& operator=(const Printer&) CVC4_UNUSED;
-
-protected:
- // derived classes can construct, but no one else.
- Printer() throw() {}
-
- /** write model response to command */
- virtual void toStream(std::ostream& out, const Model& m, const Command* c) const throw() = 0;
-
- /** write model response to command using another language printer */
- void toStreamUsing(OutputLanguage lang, std::ostream& out, const Model& m, const Command* c) const throw() {
- getPrinter(lang)->toStream(out, m, c);
- }
+class Printer
+{
+ public:
+ /**
+ * Since the printers are managed as unique_ptr, we need public acces to
+ * the virtual destructor.
+ */
+ virtual ~Printer() {}
-public:
/** Get the Printer for a given OutputLanguage */
- static Printer* getPrinter(OutputLanguage lang) throw() {
- if(lang == language::output::LANG_AUTO) {
- // Infer the language to use for output.
- //
- // Options can be null in certain circumstances (e.g., when printing
- // the singleton "null" expr. So we guard against segfault
- if(&Options::current() != NULL) {
- if(options::outputLanguage.wasSetByUser()) {
- lang = options::outputLanguage();
- }
- if(lang == language::output::LANG_AUTO && options::inputLanguage.wasSetByUser()) {
- lang = language::toOutputLanguage(options::inputLanguage());
- }
- }
- if(lang == language::output::LANG_AUTO) {
- lang = language::output::LANG_CVC4; // default
- }
- }
- if(d_printers[lang] == NULL) {
- d_printers[lang] = makePrinter(lang);
- }
- return d_printers[lang];
- }
+ static Printer* getPrinter(OutputLanguage lang);
/** Write a Node out to a stream with this Printer. */
- virtual void toStream(std::ostream& out, TNode n,
- int toDepth, bool types, size_t dag) const throw() = 0;
+ virtual void toStream(std::ostream& out,
+ TNode n,
+ int toDepth,
+ bool types,
+ size_t dag) const = 0;
/** Write a Command out to a stream with this Printer. */
- virtual void toStream(std::ostream& out, const Command* c,
- int toDepth, bool types, size_t dag) const throw() = 0;
+ virtual void toStream(std::ostream& out,
+ const Command* c,
+ int toDepth,
+ bool types,
+ size_t dag) const = 0;
/** Write a CommandStatus out to a stream with this Printer. */
- virtual void toStream(std::ostream& out, const CommandStatus* s) const throw() = 0;
-
- /** Write an SExpr out to a stream with this Printer. */
- virtual void toStream(std::ostream& out, const SExpr& sexpr) const throw();
-
- /**
- * Write a Result out to a stream with this Printer.
- *
- * The default implementation writes a reasonable string in lowercase
- * for sat, unsat, valid, invalid, or unknown results. This behavior
- * is overridable by each Printer, since sometimes an output language
- * has a particular preference for how results should appear.
- */
- virtual void toStream(std::ostream& out, const Result& r) const throw();
+ virtual void toStream(std::ostream& out, const CommandStatus* s) const = 0;
/** Write a Model out to a stream with this Printer. */
- virtual void toStream(std::ostream& out, const Model& m) const throw();
-
-};/* class Printer */
-
-/**
- * IOStream manipulator to pretty-print SExprs.
- */
-class PrettySExprs {
- /**
- * The allocated index in ios_base for our setting.
- */
- static const int s_iosIndex;
+ virtual void toStream(std::ostream& out, const Model& m) const;
- /**
- * When this manipulator is used, the setting is stored here.
- */
- bool d_prettySExprs;
+ /** Write an UnsatCore out to a stream with this Printer. */
+ virtual void toStream(std::ostream& out, const UnsatCore& core) const;
-public:
/**
- * Construct a PrettySExprs with the given setting.
+ * Write the term that sygus datatype term n
+ * encodes to a stream with this Printer.
+ * For example, consider the datatype term
+ * (C_plus (C_minus C_x C_0) C_y)
+ * where C_plus, C_minus, C_x, C_0, C_y are constructors
+ * whose sygus operators are PLUS, MINUS, x, 0, y.
+ * In this case, this method is equivalent to printing
+ * the integer term:
+ * (PLUS (MINUS x 0) y)
+ * This method may make calls to sygus printing callback
+ * methods stored in sygus datatype constructors.
*/
- PrettySExprs(bool prettySExprs) : d_prettySExprs(prettySExprs) {}
+ virtual void toStreamSygus(std::ostream& out, TNode n) const;
- inline void applyPrettySExprs(std::ostream& out) {
- out.iword(s_iosIndex) = d_prettySExprs;
- }
+ protected:
+ /** Derived classes can construct, but no one else. */
+ Printer() {}
- static inline bool getPrettySExprs(std::ostream& out) {
- return out.iword(s_iosIndex);
- }
+ /** write model response to command */
+ virtual void toStream(std::ostream& out,
+ const Model& m,
+ const Command* c) const = 0;
- static inline void setPrettySExprs(std::ostream& out, bool prettySExprs) {
- out.iword(s_iosIndex) = prettySExprs;
+ /** write model response to command using another language printer */
+ void toStreamUsing(OutputLanguage lang,
+ std::ostream& out,
+ const Model& m,
+ const Command* c) const
+ {
+ getPrinter(lang)->toStream(out, m, c);
}
- /**
- * Set the pretty-sexprs state on the output stream for the current
- * stack scope. This makes sure the old state is reset on the
- * stream after normal OR exceptional exit from the scope, using the
- * RAII C++ idiom.
- */
- class Scope {
- std::ostream& d_out;
- bool d_oldPrettySExprs;
-
- public:
+ private:
+ /** Disallow copy, assignment */
+ Printer(const Printer&) = delete;
+ Printer& operator=(const Printer&) = delete;
- inline Scope(std::ostream& out, bool prettySExprs) :
- d_out(out),
- d_oldPrettySExprs(PrettySExprs::getPrettySExprs(out)) {
- PrettySExprs::setPrettySExprs(out, prettySExprs);
- }
-
- inline ~Scope() {
- PrettySExprs::setPrettySExprs(d_out, d_oldPrettySExprs);
- }
-
- };/* class PrettySExprs::Scope */
-
-};/* class PrettySExprs */
+ /** Make a Printer for a given OutputLanguage */
+ static std::unique_ptr<Printer> makePrinter(OutputLanguage lang);
-/**
- * Sets the default pretty-sexprs setting for an ostream. Use like this:
- *
- * // let out be an ostream, s an SExpr
- * out << PrettySExprs(true) << s << endl;
- *
- * The setting stays permanently (until set again) with the stream.
- */
-inline std::ostream& operator<<(std::ostream& out, PrettySExprs ps) {
- ps.applyPrettySExprs(out);
- return out;
-}
+ /** Printers for each OutputLanguage */
+ static std::unique_ptr<Printer> d_printers[language::output::LANG_MAX];
-}/* CVC4 namespace */
+}; /* class Printer */
-#endif /* __CVC4__PRINTER__PRINTER_H */
+} // namespace CVC4
+#endif /* CVC4__PRINTER__PRINTER_H */