1 |
|
/****************************************************************************** |
2 |
|
* Top contributors (to current version): |
3 |
|
* Andrew Reynolds, Kshitij Bansal, Gereon Kremer |
4 |
|
* |
5 |
|
* This file is part of the cvc5 project. |
6 |
|
* |
7 |
|
* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS |
8 |
|
* in the top-level source directory and their institutional affiliations. |
9 |
|
* All rights reserved. See the file COPYING in the top-level source |
10 |
|
* directory for licensing information. |
11 |
|
* **************************************************************************** |
12 |
|
* |
13 |
|
* An additional layer between commands and invoking them. |
14 |
|
*/ |
15 |
|
|
16 |
|
#ifndef CVC5__MAIN__COMMAND_EXECUTOR_H |
17 |
|
#define CVC5__MAIN__COMMAND_EXECUTOR_H |
18 |
|
|
19 |
|
#include <iosfwd> |
20 |
|
#include <string> |
21 |
|
|
22 |
|
#include "api/cpp/cvc5.h" |
23 |
|
#include "expr/symbol_manager.h" |
24 |
|
|
25 |
|
namespace cvc5 { |
26 |
|
|
27 |
|
class Command; |
28 |
|
|
29 |
|
namespace main { |
30 |
|
|
31 |
|
class CommandExecutor |
32 |
|
{ |
33 |
|
protected: |
34 |
|
/** |
35 |
|
* The solver object, which is allocated by this class and is used for |
36 |
|
* executing most commands (e.g. check-sat). |
37 |
|
*/ |
38 |
|
std::unique_ptr<api::Solver>& d_solver; |
39 |
|
/** |
40 |
|
* The symbol manager, which is allocated by this class. This manages |
41 |
|
* all things related to definitions of symbols and their impact on behaviors |
42 |
|
* for commands (e.g. get-unsat-core, get-model, get-assignment), as well |
43 |
|
* as tracking expression names. Note the symbol manager is independent from |
44 |
|
* the parser, which uses this symbol manager given a text input. |
45 |
|
* |
46 |
|
* Certain commands (e.g. reset-assertions) have a specific impact on the |
47 |
|
* symbol manager. |
48 |
|
*/ |
49 |
|
std::unique_ptr<SymbolManager> d_symman; |
50 |
|
|
51 |
|
api::Result d_result; |
52 |
|
|
53 |
|
public: |
54 |
|
CommandExecutor(std::unique_ptr<api::Solver>& solver); |
55 |
|
|
56 |
|
virtual ~CommandExecutor(); |
57 |
|
|
58 |
|
/** |
59 |
|
* Executes a command. Recursively handles if cmd is a command |
60 |
|
* sequence. Eventually uses doCommandSingleton (which can be |
61 |
|
* overridden by a derived class). |
62 |
|
*/ |
63 |
|
bool doCommand(cvc5::Command* cmd); |
64 |
|
|
65 |
295603 |
bool doCommand(std::unique_ptr<cvc5::Command>& cmd) |
66 |
|
{ |
67 |
295603 |
return doCommand(cmd.get()); |
68 |
|
} |
69 |
|
|
70 |
|
/** Get a pointer to the solver object owned by this CommandExecutor. */ |
71 |
6160 |
api::Solver* getSolver() { return d_solver.get(); } |
72 |
|
|
73 |
|
/** Get a pointer to the symbol manager owned by this CommandExecutor */ |
74 |
6160 |
SymbolManager* getSymbolManager() { return d_symman.get(); } |
75 |
|
|
76 |
6102 |
api::Result getResult() const { return d_result; } |
77 |
|
void reset(); |
78 |
|
|
79 |
|
/** Store the current options as the original options */ |
80 |
|
void storeOptionsAsOriginal(); |
81 |
|
|
82 |
|
/** |
83 |
|
* Prints statistics to an output stream. |
84 |
|
* Checks whether statistics should be printed according to the options. |
85 |
|
* Thus, this method can always be called without checking the options. |
86 |
|
*/ |
87 |
|
virtual void printStatistics(std::ostream& out) const; |
88 |
|
|
89 |
|
/** |
90 |
|
* Safely prints statistics to a file descriptor. |
91 |
|
* This method is safe to be used within a signal handler. |
92 |
|
* Checks whether statistics should be printed according to the options. |
93 |
|
* Thus, this method can always be called without checking the options. |
94 |
|
*/ |
95 |
|
void printStatisticsSafe(int fd) const; |
96 |
|
|
97 |
|
void flushOutputStreams(); |
98 |
|
|
99 |
|
protected: |
100 |
|
/** Executes treating cmd as a singleton */ |
101 |
|
virtual bool doCommandSingleton(cvc5::Command* cmd); |
102 |
|
|
103 |
|
private: |
104 |
|
CommandExecutor(); |
105 |
|
|
106 |
|
}; /* class CommandExecutor */ |
107 |
|
|
108 |
|
bool solverInvoke(api::Solver* solver, |
109 |
|
SymbolManager* sm, |
110 |
|
Command* cmd, |
111 |
|
std::ostream& out); |
112 |
|
|
113 |
|
} // namespace main |
114 |
|
} // namespace cvc5 |
115 |
|
|
116 |
|
#endif /* CVC5__MAIN__COMMAND_EXECUTOR_H */ |