blob: 18574072825d56b6679535721a1e11a8683975fe (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/********************* */
/*! \file set_language.h
** \verbatim
** Top contributors (to current version):
** Morgan Deters, Tim King
** This file is part of the CVC4 project.
** 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 Definition of input and output languages
**
** Definition of input and output languages.
**/
#include "cvc4_public.h"
#ifndef __CVC4__OPTIONS__SET_LANGUAGE_H
#define __CVC4__OPTIONS__SET_LANGUAGE_H
#include <iostream>
#include "options/language.h"
namespace CVC4 {
namespace language {
/**
* IOStream manipulator to set the output language for Exprs.
*/
class CVC4_PUBLIC SetLanguage {
public:
/**
* Set a language on the output stream for the current stack scope.
* This makes sure the old language is reset on the stream after
* normal OR exceptional exit from the scope, using the RAII C++
* idiom.
*/
class Scope {
public:
Scope(std::ostream& out, OutputLanguage language);
~Scope();
private:
std::ostream& d_out;
OutputLanguage d_oldLanguage;
};/* class SetLanguage::Scope */
/**
* Construct a ExprSetLanguage with the given setting.
*/
SetLanguage(OutputLanguage l);
void applyLanguage(std::ostream& out);
static OutputLanguage getLanguage(std::ostream& out);
static void setLanguage(std::ostream& out, OutputLanguage l);
private:
/**
* The allocated index in ios_base for our depth setting.
*/
static const int s_iosIndex;
/**
* The default language to use, for ostreams that haven't yet had a
* setlanguage() applied to them and where the current Options
* information isn't available.
*/
static const int s_defaultOutputLanguage = language::output::LANG_AUTO;
/**
* When this manipulator is used, the setting is stored here.
*/
OutputLanguage d_language;
};/* class SetLanguage */
/**
* Sets the output language when pretty-printing a Expr to an ostream.
* This is used liek this:
*
* // let out be an ostream, e an Expr
* out << language::SetLanguage(LANG_SMTLIB_V2_5) << e << endl;
*
* This used to be used like this:
*
* // let out be an ostream, e an Expr
* out << Expr::setlanguage(LANG_SMTLIB_V2_5) << e << endl;
*
* The setting stays permanently (until set again) with the stream.
*/
std::ostream& operator<<(std::ostream& out, SetLanguage l) CVC4_PUBLIC;
}/* CVC4::language namespace */
}/* CVC4 namespace */
#endif /* __CVC4__OPTIONS__SET_LANGUAGE_H */
|
