1 |
|
/****************************************************************************** |
2 |
|
* Top contributors (to current version): |
3 |
|
* Dejan Jovanovic, Andrew Reynolds |
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 |
|
* [[ Add one-line brief description here ]] |
14 |
|
* |
15 |
|
* [[ Add lengthier description here ]] |
16 |
|
* \todo document this file |
17 |
|
*/ |
18 |
|
|
19 |
|
#include "cvc5_private.h" |
20 |
|
|
21 |
|
#pragma once |
22 |
|
|
23 |
|
#include "expr/node.h" |
24 |
|
#include "theory/theory_id.h" |
25 |
|
#include "context/cdlist.h" |
26 |
|
#include "context/cdhashset.h" |
27 |
|
#include "context/cdhashmap.h" |
28 |
|
|
29 |
|
namespace cvc5 { |
30 |
|
|
31 |
9853 |
class AtomRequests { |
32 |
|
|
33 |
|
public: |
34 |
|
|
35 |
|
/** Which atom and where to send it */ |
36 |
50820 |
struct Request { |
37 |
|
/** Atom */ |
38 |
|
Node d_atom; |
39 |
|
/** Where to send it */ |
40 |
|
theory::TheoryId d_toTheory; |
41 |
|
|
42 |
4620 |
Request(TNode a, theory::TheoryId tt) : d_atom(a), d_toTheory(tt) {} |
43 |
|
Request() : d_toTheory(theory::THEORY_LAST) {} |
44 |
|
|
45 |
5824 |
bool operator == (const Request& other) const { |
46 |
5824 |
return d_atom == other.d_atom && d_toTheory == other.d_toTheory; |
47 |
|
} |
48 |
|
|
49 |
23100 |
size_t hash() const { return d_atom.getId(); } |
50 |
|
}; |
51 |
|
|
52 |
|
AtomRequests(context::Context* context); |
53 |
|
|
54 |
|
/** Mark the atom to be sent to a theory, when the trigger atom gets assigned */ |
55 |
|
void add(TNode triggerAtom, TNode atomToSend, theory::TheoryId toTheory); |
56 |
|
|
57 |
|
/** Returns true if the node is a trigger and has a list of atoms to send */ |
58 |
|
bool isTrigger(TNode atom) const; |
59 |
|
|
60 |
|
/** Indices in lists */ |
61 |
|
typedef size_t element_index; |
62 |
|
|
63 |
|
class atom_iterator { |
64 |
|
const AtomRequests& d_requests; |
65 |
|
element_index d_index; |
66 |
|
friend class AtomRequests; |
67 |
4388217 |
atom_iterator(const AtomRequests& requests, element_index start) |
68 |
4388217 |
: d_requests(requests), d_index(start) |
69 |
|
{ |
70 |
4388217 |
} |
71 |
|
|
72 |
|
public: |
73 |
|
/** Is this iterator done */ |
74 |
|
bool done() const; |
75 |
|
/** Go to the next element */ |
76 |
|
void next(); |
77 |
|
/** Get the actual request */ |
78 |
|
const Request& get() const; |
79 |
|
}; |
80 |
|
|
81 |
|
atom_iterator getAtomIterator(TNode trigger) const; |
82 |
|
|
83 |
|
private: |
84 |
|
|
85 |
|
struct RequestHashFunction { |
86 |
23100 |
size_t operator () (const Request& r) const { |
87 |
23100 |
return r.hash(); |
88 |
|
} |
89 |
|
}; |
90 |
|
|
91 |
|
/** Set of all requests so we don't add twice */ |
92 |
|
context::CDHashSet<Request, RequestHashFunction> d_allRequests; |
93 |
|
|
94 |
|
static const element_index null_index = -1; |
95 |
|
|
96 |
13860 |
struct Element { |
97 |
|
/** Current request */ |
98 |
|
Request d_request; |
99 |
|
/** Previous request */ |
100 |
|
element_index d_previous; |
101 |
|
|
102 |
4620 |
Element(const Request& r, element_index p) : d_request(r), d_previous(p) {} |
103 |
|
}; |
104 |
|
|
105 |
|
/** We index the requests in this vector, it's a list */ |
106 |
|
context::CDList<Element> d_requests; |
107 |
|
|
108 |
|
typedef context::CDHashMap<Node, element_index> trigger_to_list_map; |
109 |
|
|
110 |
|
/** Map from triggers, to the list of elements they trigger */ |
111 |
|
trigger_to_list_map d_triggerToRequestMap; |
112 |
|
|
113 |
|
/** Get the list index of the trigger */ |
114 |
|
element_index getList(TNode trigger) const; |
115 |
|
|
116 |
|
}; |
117 |
|
|
118 |
|
} // namespace cvc5 |