1 |
|
/****************************************************************************** |
2 |
|
* Top contributors (to current version): |
3 |
|
* Andrew Reynolds, Tim King, Morgan Deters |
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 |
|
* Typing and cardinality rules for the theory of UF. |
14 |
|
*/ |
15 |
|
|
16 |
|
#include "theory/uf/theory_uf_type_rules.h" |
17 |
|
|
18 |
|
#include <climits> |
19 |
|
#include <sstream> |
20 |
|
|
21 |
|
#include "util/rational.h" |
22 |
|
|
23 |
|
namespace cvc5 { |
24 |
|
namespace theory { |
25 |
|
namespace uf { |
26 |
|
|
27 |
455686 |
TypeNode UfTypeRule::computeType(NodeManager* nodeManager, TNode n, bool check) |
28 |
|
{ |
29 |
911372 |
TNode f = n.getOperator(); |
30 |
911372 |
TypeNode fType = f.getType(check); |
31 |
455686 |
if (!fType.isFunction()) |
32 |
|
{ |
33 |
|
throw TypeCheckingExceptionPrivate(n, |
34 |
|
"operator does not have function type"); |
35 |
|
} |
36 |
455686 |
if (check) |
37 |
|
{ |
38 |
455686 |
if (n.getNumChildren() != fType.getNumChildren() - 1) |
39 |
|
{ |
40 |
|
throw TypeCheckingExceptionPrivate( |
41 |
|
n, "number of arguments does not match the function type"); |
42 |
|
} |
43 |
455686 |
TNode::iterator argument_it = n.begin(); |
44 |
455686 |
TNode::iterator argument_it_end = n.end(); |
45 |
455686 |
TypeNode::iterator argument_type_it = fType.begin(); |
46 |
14341026 |
for (; argument_it != argument_it_end; ++argument_it, ++argument_type_it) |
47 |
|
{ |
48 |
13885340 |
TypeNode currentArgument = (*argument_it).getType(); |
49 |
13885340 |
TypeNode currentArgumentType = *argument_type_it; |
50 |
6942670 |
if (!currentArgument.isSubtypeOf(currentArgumentType)) |
51 |
|
{ |
52 |
|
std::stringstream ss; |
53 |
|
ss << "argument type is not a subtype of the function's argument " |
54 |
|
<< "type:\n" |
55 |
|
<< "argument: " << *argument_it << "\n" |
56 |
|
<< "has type: " << (*argument_it).getType() << "\n" |
57 |
|
<< "not subtype: " << *argument_type_it << "\n" |
58 |
|
<< "in term : " << n; |
59 |
|
throw TypeCheckingExceptionPrivate(n, ss.str()); |
60 |
|
} |
61 |
|
} |
62 |
|
} |
63 |
911372 |
return fType.getRangeType(); |
64 |
|
} |
65 |
|
|
66 |
1099 |
TypeNode CardinalityConstraintTypeRule::computeType(NodeManager* nodeManager, |
67 |
|
TNode n, |
68 |
|
bool check) |
69 |
|
{ |
70 |
1099 |
if (check) |
71 |
|
{ |
72 |
|
// don't care what it is, but it should be well-typed |
73 |
1099 |
n[0].getType(check); |
74 |
|
|
75 |
2198 |
TypeNode valType = n[1].getType(check); |
76 |
1099 |
if (valType != nodeManager->integerType()) |
77 |
|
{ |
78 |
|
throw TypeCheckingExceptionPrivate( |
79 |
|
n, "cardinality constraint must be integer"); |
80 |
|
} |
81 |
1099 |
if (n[1].getKind() != kind::CONST_RATIONAL) |
82 |
|
{ |
83 |
|
throw TypeCheckingExceptionPrivate( |
84 |
|
n, "cardinality constraint must be a constant"); |
85 |
|
} |
86 |
2198 |
cvc5::Rational r(INT_MAX); |
87 |
1099 |
if (n[1].getConst<Rational>() > r) |
88 |
|
{ |
89 |
|
throw TypeCheckingExceptionPrivate( |
90 |
|
n, "Exceeded INT_MAX in cardinality constraint"); |
91 |
|
} |
92 |
1099 |
if (n[1].getConst<Rational>().getNumerator().sgn() != 1) |
93 |
|
{ |
94 |
|
throw TypeCheckingExceptionPrivate( |
95 |
|
n, "cardinality constraint must be positive"); |
96 |
|
} |
97 |
|
} |
98 |
1099 |
return nodeManager->booleanType(); |
99 |
|
} |
100 |
|
|
101 |
639 |
TypeNode CombinedCardinalityConstraintTypeRule::computeType( |
102 |
|
NodeManager* nodeManager, TNode n, bool check) |
103 |
|
{ |
104 |
639 |
if (check) |
105 |
|
{ |
106 |
1278 |
TypeNode valType = n[0].getType(check); |
107 |
639 |
if (valType != nodeManager->integerType()) |
108 |
|
{ |
109 |
|
throw TypeCheckingExceptionPrivate( |
110 |
|
n, "combined cardinality constraint must be integer"); |
111 |
|
} |
112 |
639 |
if (n[0].getKind() != kind::CONST_RATIONAL) |
113 |
|
{ |
114 |
|
throw TypeCheckingExceptionPrivate( |
115 |
|
n, "combined cardinality constraint must be a constant"); |
116 |
|
} |
117 |
1278 |
cvc5::Rational r(INT_MAX); |
118 |
639 |
if (n[0].getConst<Rational>() > r) |
119 |
|
{ |
120 |
|
throw TypeCheckingExceptionPrivate( |
121 |
|
n, "Exceeded INT_MAX in combined cardinality constraint"); |
122 |
|
} |
123 |
639 |
if (n[0].getConst<Rational>().getNumerator().sgn() == -1) |
124 |
|
{ |
125 |
|
throw TypeCheckingExceptionPrivate( |
126 |
|
n, "combined cardinality constraint must be non-negative"); |
127 |
|
} |
128 |
|
} |
129 |
639 |
return nodeManager->booleanType(); |
130 |
|
} |
131 |
|
|
132 |
|
TypeNode PartialTypeRule::computeType(NodeManager* nodeManager, |
133 |
|
TNode n, |
134 |
|
bool check) |
135 |
|
{ |
136 |
|
return n.getOperator().getType().getRangeType(); |
137 |
|
} |
138 |
|
|
139 |
|
TypeNode CardinalityValueTypeRule::computeType(NodeManager* nodeManager, |
140 |
|
TNode n, |
141 |
|
bool check) |
142 |
|
{ |
143 |
|
if (check) |
144 |
|
{ |
145 |
|
n[0].getType(check); |
146 |
|
} |
147 |
|
return nodeManager->integerType(); |
148 |
|
} |
149 |
|
|
150 |
13789 |
TypeNode HoApplyTypeRule::computeType(NodeManager* nodeManager, |
151 |
|
TNode n, |
152 |
|
bool check) |
153 |
|
{ |
154 |
13789 |
Assert(n.getKind() == kind::HO_APPLY); |
155 |
27578 |
TypeNode fType = n[0].getType(check); |
156 |
13789 |
if (!fType.isFunction()) |
157 |
|
{ |
158 |
|
throw TypeCheckingExceptionPrivate( |
159 |
|
n, "first argument does not have function type"); |
160 |
|
} |
161 |
13789 |
Assert(fType.getNumChildren() >= 2); |
162 |
13789 |
if (check) |
163 |
|
{ |
164 |
27578 |
TypeNode aType = n[1].getType(check); |
165 |
13789 |
if (!aType.isSubtypeOf(fType[0])) |
166 |
|
{ |
167 |
|
throw TypeCheckingExceptionPrivate( |
168 |
|
n, "argument does not match function type"); |
169 |
|
} |
170 |
|
} |
171 |
13789 |
if (fType.getNumChildren() == 2) |
172 |
|
{ |
173 |
6769 |
return fType.getRangeType(); |
174 |
|
} |
175 |
|
else |
176 |
|
{ |
177 |
14040 |
std::vector<TypeNode> children; |
178 |
7020 |
TypeNode::iterator argument_type_it = fType.begin(); |
179 |
7020 |
TypeNode::iterator argument_type_it_end = fType.end(); |
180 |
7020 |
++argument_type_it; |
181 |
38916 |
for (; argument_type_it != argument_type_it_end; ++argument_type_it) |
182 |
|
{ |
183 |
15948 |
children.push_back(*argument_type_it); |
184 |
|
} |
185 |
7020 |
return nodeManager->mkFunctionType(children); |
186 |
|
} |
187 |
|
} |
188 |
|
|
189 |
|
} // namespace uf |
190 |
|
} // namespace theory |
191 |
29340 |
} // namespace cvc5 |