1 /********************* */
2 /*! \file node_manager.h
4 ** Original author: Dejan Jovanovic
5 ** Major contributors: Christopher L. Conway, Morgan Deters
6 ** Minor contributors (to current version): ACSYS, Tianyi Liang, Kshitij Bansal, Tim King
7 ** This file is part of the CVC4 project.
8 ** Copyright (c) 2009-2014 New York University and The University of Iowa
9 ** See the file COPYING in the top-level source directory for licensing
10 ** information.\endverbatim
12 ** \brief A manager for Nodes
14 ** A manager for Nodes.
16 ** Reviewed by Chris Conway, Apr 5 2010 (bug #65).
19 #include "cvc4_private.h"
21 /* circular dependency; force node.h first */
22 //#include "expr/attribute.h"
23 #include "expr/node.h"
24 #include "expr/type_node.h"
25 #include "expr/expr.h"
26 #include "expr/expr_manager.h"
28 #ifndef __CVC4__NODE_MANAGER_H
29 #define __CVC4__NODE_MANAGER_H
33 #include <ext/hash_set>
35 #include "expr/kind.h"
36 #include "expr/metakind.h"
37 #include "expr/node_value.h"
38 #include "context/context.h"
39 #include "util/subrange_bound.h"
41 #include "options/options.h"
45 class StatisticsRegistry
;
49 class AttributeUniqueId
;
50 class AttributeManager
;
51 }/* CVC4::expr::attr namespace */
54 }/* CVC4::expr namespace */
57 * An interface that an interested party can implement and then subscribe
58 * to NodeManager events via NodeManager::subscribeEvents(this).
60 class NodeManagerListener
{
62 virtual ~NodeManagerListener() { }
63 virtual void nmNotifyNewSort(TypeNode tn
, uint32_t flags
) { }
64 virtual void nmNotifyNewSortConstructor(TypeNode tn
) { }
65 virtual void nmNotifyInstantiateSortConstructor(TypeNode ctor
, TypeNode sort
, uint32_t flags
) { }
66 virtual void nmNotifyNewDatatypes(const std::vector
<DatatypeType
>& datatypes
) { }
67 virtual void nmNotifyNewVar(TNode n
, uint32_t flags
) { }
68 virtual void nmNotifyNewSkolem(TNode n
, const std::string
& comment
, uint32_t flags
) { }
69 };/* class NodeManagerListener */
72 template <unsigned nchild_thresh
> friend class CVC4::NodeBuilder
;
73 friend class NodeManagerScope
;
74 friend class expr::NodeValue
;
75 friend class expr::TypeChecker
;
77 // friends so they can access mkVar() here, which is private
78 friend Expr
ExprManager::mkVar(const std::string
&, Type
, uint32_t flags
);
79 friend Expr
ExprManager::mkVar(Type
, uint32_t flags
);
81 // friend so it can access NodeManager's d_listeners and notify clients
82 friend std::vector
<DatatypeType
> ExprManager::mkMutualDatatypeTypes(const std::vector
<Datatype
>&, const std::set
<Type
>&);
84 /** Predicate for use with STL algorithms */
85 struct NodeValueReferenceCountNonZero
{
86 bool operator()(expr::NodeValue
* nv
) { return nv
->d_rc
> 0; }
89 typedef __gnu_cxx::hash_set
<expr::NodeValue
*,
90 expr::NodeValuePoolHashFunction
,
91 expr::NodeValuePoolEq
> NodeValuePool
;
92 typedef __gnu_cxx::hash_set
<expr::NodeValue
*,
93 expr::NodeValueIDHashFunction
,
94 expr::NodeValueEq
> ZombieSet
;
96 static CVC4_THREADLOCAL(NodeManager
*) s_current
;
99 StatisticsRegistry
* d_statisticsRegistry
;
101 NodeValuePool d_nodeValuePool
;
105 expr::attr::AttributeManager
* d_attrManager
;
107 /** The associated ExprManager */
108 ExprManager
* d_exprManager
;
111 * The node value we're currently freeing. This unique node value
112 * is permitted to have outstanding TNodes to it (in "soft"
113 * contexts, like as a key in attribute tables), even though
114 * normally it's an error to have a TNode to a node value with a
115 * reference count of 0. Being "under deletion" also enables
116 * assertions that inc() is not called on it. (A poorly-behaving
117 * attribute cleanup function could otherwise create a "Node" that
118 * points to the node value that is in the process of being deleted,
119 * springing it back to life.)
121 expr::NodeValue
* d_nodeUnderDeletion
;
124 * True iff we are in reclaimZombies(). This avoids unnecessary
125 * recursion; a NodeValue being deleted might zombify other
126 * NodeValues, but these shouldn't trigger a (recursive) call to
129 bool d_inReclaimZombies
;
132 * The set of zombie nodes. We may want to revisit this design, as
133 * we might like to delete nodes in least-recently-used order. But
134 * we also need to avoid processing a zombie twice.
139 * A set of operator singletons (w.r.t. to this NodeManager
140 * instance) for operators. Conceptually, Nodes with kind, say,
141 * PLUS, are APPLYs of a PLUS operator to arguments. This array
142 * holds the set of operators for these things. A PLUS operator is
143 * a Node with kind "BUILTIN", and if you call
144 * plusOperator->getConst<CVC4::Kind>(), you get kind::PLUS back.
146 Node d_operators
[kind::LAST_KIND
];
149 * A list of subscribers for NodeManager events.
151 std::vector
<NodeManagerListener
*> d_listeners
;
154 * A map of tuple and record types to their corresponding datatype.
156 std::hash_map
<TypeNode
, TypeNode
, TypeNodeHashFunction
> d_tupleAndRecordTypes
;
159 * Keep a count of all abstract values produced by this NodeManager.
160 * Abstract values have a type attribute, so if multiple SmtEngines
161 * are attached to this NodeManager, we don't want their abstract
164 unsigned d_abstractValueCount
;
167 * A counter used to produce unique skolem names.
169 * Note that it is NOT incremented when skolems are created using
170 * SKOLEM_EXACT_NAME, so it is NOT a count of the skolems produced
171 * by this node manager.
173 unsigned d_skolemCounter
;
176 * Look up a NodeValue in the pool associated to this NodeManager.
177 * The NodeValue argument need not be a "completely-constructed"
178 * NodeValue. In particular, "non-inlined" constants are permitted
181 * For non-CONSTANT metakinds, nv's d_kind and d_nchildren should be
182 * correctly set, and d_children[0..n-1] should be valid (extant)
183 * NodeValues for lookup.
185 * For CONSTANT metakinds, nv's d_kind should be set correctly.
186 * Normally a CONSTANT would have d_nchildren == 0 and the constant
187 * value inlined in the d_children space. However, here we permit
188 * "non-inlined" NodeValues to avoid unnecessary copying. For
189 * these, d_nchildren == 1, and d_nchildren is a pointer to the
192 * The point of this complex design is to permit efficient lookups
193 * (without fully constructing a NodeValue). In the case that the
194 * argument is not fully constructed, and this function returns
195 * NULL, the caller should fully construct an equivalent one before
196 * calling poolInsert(). NON-FULLY-CONSTRUCTED NODEVALUES are not
197 * permitted in the pool!
199 inline expr::NodeValue
* poolLookup(expr::NodeValue
* nv
) const;
202 * Insert a NodeValue into the NodeManager's pool.
204 * It is an error to insert a NodeValue already in the pool.
205 * Enquire first with poolLookup().
207 inline void poolInsert(expr::NodeValue
* nv
);
210 * Remove a NodeValue from the NodeManager's pool.
212 * It is an error to request the removal of a NodeValue from the
213 * pool that is not in the pool.
215 inline void poolRemove(expr::NodeValue
* nv
);
218 * Determine if nv is currently being deleted by the NodeManager.
220 inline bool isCurrentlyDeleting(const expr::NodeValue
* nv
) const {
221 return d_nodeUnderDeletion
== nv
;
225 * Register a NodeValue as a zombie.
227 inline void markForDeletion(expr::NodeValue
* nv
) {
228 Assert(nv
->d_rc
== 0);
230 // if d_reclaiming is set, make sure we don't call
231 // reclaimZombies(), because it's already running.
232 if(Debug
.isOn("gc")) {
233 Debug("gc") << "zombifying node value " << nv
234 << " [" << nv
->d_id
<< "]: ";
235 nv
->printAst(Debug("gc"));
236 Debug("gc") << (d_inReclaimZombies
? " [CURRENTLY-RECLAIMING]" : "")
239 d_zombies
.insert(nv
);// FIXME multithreading
241 if(safeToReclaimZombies()) {
242 if(d_zombies
.size() > 5000) {
249 * Reclaim all zombies.
251 void reclaimZombies();
254 * It is safe to collect zombies.
256 bool safeToReclaimZombies() const;
259 * This template gives a mechanism to stack-allocate a NodeValue
260 * with enough space for N children (where N is a compile-time
261 * constant). You use it like this:
263 * NVStorage<4> nvStorage;
264 * NodeValue& nvStack = reinterpret_cast<NodeValue&>(nvStorage);
266 * ...and then you can use nvStack as a NodeValue that you know has
267 * room for 4 children.
272 expr::NodeValue
* child
[N
];
273 };/* struct NodeManager::NVStorage<N> */
275 /* A note on isAtomic() and isAtomicFormula() (in CVC3 parlance)..
277 * It has been decided for now to hold off on implementations of
278 * these functions, as they may only be needed in CNF conversion,
279 * where it's pointless to do a lazy isAtomic determination by
280 * searching through the DAG, and storing it, since the result will
281 * only be used once. For more details see the 4/27/2010 CVC4
282 * developer's meeting notes at:
284 * http://goedel.cims.nyu.edu/wiki/Meeting_Minutes_-_April_27,_2010#isAtomic.28.29_and_isAtomicFormula.28.29
286 // bool containsDecision(TNode); // is "atomic"
287 // bool properlyContainsDecision(TNode); // all children are atomic
289 // undefined private copy constructor (disallow copy)
290 NodeManager(const NodeManager
&) CVC4_UNDEFINED
;
295 * Create a variable with the given name and type. NOTE that no
296 * lookup is done on the name. If you mkVar("a", type) and then
297 * mkVar("a", type) again, you have two variables. The NodeManager
298 * version of this is private to avoid internal uses of mkVar() from
299 * within CVC4. Such uses should employ mkSkolem() instead.
301 Node
mkVar(const std::string
& name
, const TypeNode
& type
, uint32_t flags
= ExprManager::VAR_FLAG_NONE
);
302 Node
* mkVarPtr(const std::string
& name
, const TypeNode
& type
, uint32_t flags
= ExprManager::VAR_FLAG_NONE
);
304 /** Create a variable with the given type. */
305 Node
mkVar(const TypeNode
& type
, uint32_t flags
= ExprManager::VAR_FLAG_NONE
);
306 Node
* mkVarPtr(const TypeNode
& type
, uint32_t flags
= ExprManager::VAR_FLAG_NONE
);
310 explicit NodeManager(context::Context
* ctxt
, ExprManager
* exprManager
);
311 explicit NodeManager(context::Context
* ctxt
, ExprManager
* exprManager
, const Options
& options
);
314 /** The node manager in the current public-facing CVC4 library context */
315 static NodeManager
* currentNM() { return s_current
; }
317 /** Get this node manager's options (const version) */
318 const Options
& getOptions() const {
322 /** Get this node manager's options (non-const version) */
323 Options
& getOptions() {
327 /** Get this node manager's statistics registry */
328 StatisticsRegistry
* getStatisticsRegistry() const throw() {
329 return d_statisticsRegistry
;
332 /** Subscribe to NodeManager events */
333 void subscribeEvents(NodeManagerListener
* listener
) {
334 Assert(std::find(d_listeners
.begin(), d_listeners
.end(), listener
) == d_listeners
.end(), "listener already subscribed");
335 d_listeners
.push_back(listener
);
338 /** Unsubscribe from NodeManager events */
339 void unsubscribeEvents(NodeManagerListener
* listener
) {
340 std::vector
<NodeManagerListener
*>::iterator elt
= std::find(d_listeners
.begin(), d_listeners
.end(), listener
);
341 Assert(elt
!= d_listeners
.end(), "listener not subscribed");
342 d_listeners
.erase(elt
);
345 /** Get a Kind from an operator expression */
346 static inline Kind
operatorToKind(TNode n
);
348 // general expression-builders
350 /** Create a node with one child. */
351 Node
mkNode(Kind kind
, TNode child1
);
352 Node
* mkNodePtr(Kind kind
, TNode child1
);
354 /** Create a node with two children. */
355 Node
mkNode(Kind kind
, TNode child1
, TNode child2
);
356 Node
* mkNodePtr(Kind kind
, TNode child1
, TNode child2
);
358 /** Create a node with three children. */
359 Node
mkNode(Kind kind
, TNode child1
, TNode child2
, TNode child3
);
360 Node
* mkNodePtr(Kind kind
, TNode child1
, TNode child2
, TNode child3
);
362 /** Create a node with four children. */
363 Node
mkNode(Kind kind
, TNode child1
, TNode child2
, TNode child3
,
365 Node
* mkNodePtr(Kind kind
, TNode child1
, TNode child2
, TNode child3
,
368 /** Create a node with five children. */
369 Node
mkNode(Kind kind
, TNode child1
, TNode child2
, TNode child3
,
370 TNode child4
, TNode child5
);
371 Node
* mkNodePtr(Kind kind
, TNode child1
, TNode child2
, TNode child3
,
372 TNode child4
, TNode child5
);
374 /** Create a node with an arbitrary number of children. */
375 template <bool ref_count
>
376 Node
mkNode(Kind kind
, const std::vector
<NodeTemplate
<ref_count
> >& children
);
377 template <bool ref_count
>
378 Node
* mkNodePtr(Kind kind
, const std::vector
<NodeTemplate
<ref_count
> >& children
);
380 /** Create a node (with no children) by operator. */
381 Node
mkNode(TNode opNode
);
382 Node
* mkNodePtr(TNode opNode
);
384 /** Create a node with one child by operator. */
385 Node
mkNode(TNode opNode
, TNode child1
);
386 Node
* mkNodePtr(TNode opNode
, TNode child1
);
388 /** Create a node with two children by operator. */
389 Node
mkNode(TNode opNode
, TNode child1
, TNode child2
);
390 Node
* mkNodePtr(TNode opNode
, TNode child1
, TNode child2
);
392 /** Create a node with three children by operator. */
393 Node
mkNode(TNode opNode
, TNode child1
, TNode child2
, TNode child3
);
394 Node
* mkNodePtr(TNode opNode
, TNode child1
, TNode child2
, TNode child3
);
396 /** Create a node with four children by operator. */
397 Node
mkNode(TNode opNode
, TNode child1
, TNode child2
, TNode child3
,
399 Node
* mkNodePtr(TNode opNode
, TNode child1
, TNode child2
, TNode child3
,
402 /** Create a node with five children by operator. */
403 Node
mkNode(TNode opNode
, TNode child1
, TNode child2
, TNode child3
,
404 TNode child4
, TNode child5
);
405 Node
* mkNodePtr(TNode opNode
, TNode child1
, TNode child2
, TNode child3
,
406 TNode child4
, TNode child5
);
408 /** Create a node by applying an operator to the children. */
409 template <bool ref_count
>
410 Node
mkNode(TNode opNode
, const std::vector
<NodeTemplate
<ref_count
> >& children
);
411 template <bool ref_count
>
412 Node
* mkNodePtr(TNode opNode
, const std::vector
<NodeTemplate
<ref_count
> >& children
);
414 Node
mkBoundVar(const std::string
& name
, const TypeNode
& type
);
415 Node
* mkBoundVarPtr(const std::string
& name
, const TypeNode
& type
);
417 Node
mkBoundVar(const TypeNode
& type
);
418 Node
* mkBoundVarPtr(const TypeNode
& type
);
421 * Optional flags used to control behavior of NodeManager::mkSkolem().
422 * They should be composed with a bitwise OR (e.g.,
423 * "SKOLEM_NO_NOTIFY | SKOLEM_EXACT_NAME"). Of course, SKOLEM_DEFAULT
424 * cannot be composed in such a manner.
427 SKOLEM_DEFAULT
= 0, /**< default behavior */
428 SKOLEM_NO_NOTIFY
= 1, /**< do not notify subscribers */
429 SKOLEM_EXACT_NAME
= 2,/**< do not make the name unique by adding the id */
430 SKOLEM_IS_GLOBAL
= 4 /**< global vars appear in models even after a pop */
431 };/* enum SkolemFlags */
434 * Create a skolem constant with the given name, type, and comment.
436 * @param prefix the name of the new skolem variable is the prefix
437 * appended with a unique ID. This way a family of skolem variables
438 * can be made with unique identifiers, used in dump, tracing, and
439 * debugging output. Use SKOLEM_EXECT_NAME flag if you don't want
440 * a unique ID appended and use prefix as the name.
442 * @param type the type of the skolem variable to create
444 * @param comment a comment for dumping output; if declarations are
445 * being dumped, this is included in a comment before the declaration
446 * and can be quite useful for debugging
448 * @param flags an optional mask of bits from SkolemFlags to control
449 * mkSkolem() behavior
451 Node
mkSkolem(const std::string
& prefix
, const TypeNode
& type
,
452 const std::string
& comment
= "", int flags
= SKOLEM_DEFAULT
);
454 /** Create a instantiation constant with the given type. */
455 Node
mkInstConstant(const TypeNode
& type
);
457 /** Make a new abstract value with the given type. */
458 Node
mkAbstractValue(const TypeNode
& type
);
461 * Create a constant of type T. It will have the appropriate
462 * CONST_* kind defined for T.
465 Node
mkConst(const T
&);
468 TypeNode
mkTypeConst(const T
&);
470 template <class NodeClass
, class T
>
471 NodeClass
mkConstInternal(const T
&);
473 /** Create a node with children. */
474 TypeNode
mkTypeNode(Kind kind
, TypeNode child1
);
475 TypeNode
mkTypeNode(Kind kind
, TypeNode child1
, TypeNode child2
);
476 TypeNode
mkTypeNode(Kind kind
, TypeNode child1
, TypeNode child2
,
478 TypeNode
mkTypeNode(Kind kind
, const std::vector
<TypeNode
>& children
);
481 * Determine whether Nodes of a particular Kind have operators.
482 * @returns true if Nodes of Kind k have operators.
484 static inline bool hasOperator(Kind k
);
487 * Get the (singleton) operator of an OPERATOR-kinded kind. The
488 * returned node n will have kind BUILTIN, and calling
489 * n.getConst<CVC4::Kind>() will yield k.
491 inline TNode
operatorOf(Kind k
) {
492 AssertArgument( kind::metaKindOf(k
) == kind::metakind::OPERATOR
, k
,
493 "Kind is not an OPERATOR-kinded kind "
494 "in NodeManager::operatorOf()" );
495 return d_operators
[k
];
499 * Retrieve an attribute for a node.
501 * @param nv the node value
502 * @param attr an instance of the attribute kind to retrieve.
503 * @returns the attribute, if set, or a default-constructed
504 * <code>AttrKind::value_type</code> if not.
506 template <class AttrKind
>
507 inline typename
AttrKind::value_type
getAttribute(expr::NodeValue
* nv
,
508 const AttrKind
& attr
) const;
511 * Check whether an attribute is set for a node.
513 * @param nv the node value
514 * @param attr an instance of the attribute kind to check
515 * @returns <code>true</code> iff <code>attr</code> is set for
518 template <class AttrKind
>
519 inline bool hasAttribute(expr::NodeValue
* nv
,
520 const AttrKind
& attr
) const;
523 * Check whether an attribute is set for a node, and, if so,
526 * @param nv the node value
527 * @param attr an instance of the attribute kind to check
528 * @param value a reference to an object of the attribute's value type.
529 * <code>value</code> will be set to the value of the attribute, if it is
530 * set for <code>nv</code>; otherwise, it will be set to the default
531 * value of the attribute.
532 * @returns <code>true</code> iff <code>attr</code> is set for
535 template <class AttrKind
>
536 inline bool getAttribute(expr::NodeValue
* nv
,
537 const AttrKind
& attr
,
538 typename
AttrKind::value_type
& value
) const;
541 * Set an attribute for a node. If the node doesn't have the
542 * attribute, this function assigns one. If the node has one, this
545 * @param nv the node value
546 * @param attr an instance of the attribute kind to set
547 * @param value the value of <code>attr</code> for <code>nv</code>
549 template <class AttrKind
>
550 inline void setAttribute(expr::NodeValue
* nv
,
551 const AttrKind
& attr
,
552 const typename
AttrKind::value_type
& value
);
555 * Retrieve an attribute for a TNode.
558 * @param attr an instance of the attribute kind to retrieve.
559 * @returns the attribute, if set, or a default-constructed
560 * <code>AttrKind::value_type</code> if not.
562 template <class AttrKind
>
563 inline typename
AttrKind::value_type
564 getAttribute(TNode n
, const AttrKind
& attr
) const;
567 * Check whether an attribute is set for a TNode.
570 * @param attr an instance of the attribute kind to check
571 * @returns <code>true</code> iff <code>attr</code> is set for <code>n</code>.
573 template <class AttrKind
>
574 inline bool hasAttribute(TNode n
,
575 const AttrKind
& attr
) const;
578 * Check whether an attribute is set for a TNode and, if so, retieve
582 * @param attr an instance of the attribute kind to check
583 * @param value a reference to an object of the attribute's value type.
584 * <code>value</code> will be set to the value of the attribute, if it is
585 * set for <code>nv</code>; otherwise, it will be set to the default value of
587 * @returns <code>true</code> iff <code>attr</code> is set for <code>n</code>.
589 template <class AttrKind
>
590 inline bool getAttribute(TNode n
,
591 const AttrKind
& attr
,
592 typename
AttrKind::value_type
& value
) const;
595 * Set an attribute for a node. If the node doesn't have the
596 * attribute, this function assigns one. If the node has one, this
600 * @param attr an instance of the attribute kind to set
601 * @param value the value of <code>attr</code> for <code>n</code>
603 template <class AttrKind
>
604 inline void setAttribute(TNode n
,
605 const AttrKind
& attr
,
606 const typename
AttrKind::value_type
& value
);
609 * Retrieve an attribute for a TypeNode.
611 * @param n the type node
612 * @param attr an instance of the attribute kind to retrieve.
613 * @returns the attribute, if set, or a default-constructed
614 * <code>AttrKind::value_type</code> if not.
616 template <class AttrKind
>
617 inline typename
AttrKind::value_type
618 getAttribute(TypeNode n
, const AttrKind
& attr
) const;
621 * Check whether an attribute is set for a TypeNode.
623 * @param n the type node
624 * @param attr an instance of the attribute kind to check
625 * @returns <code>true</code> iff <code>attr</code> is set for <code>n</code>.
627 template <class AttrKind
>
628 inline bool hasAttribute(TypeNode n
,
629 const AttrKind
& attr
) const;
632 * Check whether an attribute is set for a TypeNode and, if so, retieve
635 * @param n the type node
636 * @param attr an instance of the attribute kind to check
637 * @param value a reference to an object of the attribute's value type.
638 * <code>value</code> will be set to the value of the attribute, if it is
639 * set for <code>nv</code>; otherwise, it will be set to the default value of
641 * @returns <code>true</code> iff <code>attr</code> is set for <code>n</code>.
643 template <class AttrKind
>
644 inline bool getAttribute(TypeNode n
,
645 const AttrKind
& attr
,
646 typename
AttrKind::value_type
& value
) const;
649 * Set an attribute for a type node. If the node doesn't have the
650 * attribute, this function assigns one. If the type node has one,
651 * this overwrites it.
653 * @param n the type node
654 * @param attr an instance of the attribute kind to set
655 * @param value the value of <code>attr</code> for <code>n</code>
657 template <class AttrKind
>
658 inline void setAttribute(TypeNode n
,
659 const AttrKind
& attr
,
660 const typename
AttrKind::value_type
& value
);
662 /** Get the (singleton) type for Booleans. */
663 inline TypeNode
booleanType();
665 /** Get the (singleton) type for integers. */
666 inline TypeNode
integerType();
668 /** Get the (singleton) type for reals. */
669 inline TypeNode
realType();
671 /** Get the (singleton) type for strings. */
672 inline TypeNode
stringType();
674 /** Get the (singleton) type for RegExp. */
675 inline TypeNode
regexpType();
677 /** Get the bound var list type. */
678 inline TypeNode
boundVarListType();
680 /** Get the instantiation pattern type. */
681 inline TypeNode
instPatternType();
683 /** Get the instantiation pattern type. */
684 inline TypeNode
instPatternListType();
687 * Get the (singleton) type for builtin operators (that is, the type
688 * of the Node returned from Node::getOperator() when the operator
689 * is built-in, like EQUAL). */
690 inline TypeNode
builtinOperatorType();
693 * Make a function type from domain to range.
695 * @param domain the domain type
696 * @param range the range type
697 * @returns the functional type domain -> range
699 inline TypeNode
mkFunctionType(const TypeNode
& domain
, const TypeNode
& range
);
702 * Make a function type with input types from
703 * argTypes. <code>argTypes</code> must have at least one element.
705 * @param argTypes the domain is a tuple (argTypes[0], ..., argTypes[n])
706 * @param range the range type
707 * @returns the functional type (argTypes[0], ..., argTypes[n]) -> range
709 inline TypeNode
mkFunctionType(const std::vector
<TypeNode
>& argTypes
,
710 const TypeNode
& range
);
713 * Make a function type with input types from
714 * <code>sorts[0..sorts.size()-2]</code> and result type
715 * <code>sorts[sorts.size()-1]</code>. <code>sorts</code> must have
716 * at least 2 elements.
718 inline TypeNode
mkFunctionType(const std::vector
<TypeNode
>& sorts
);
721 * Make a predicate type with input types from
722 * <code>sorts</code>. The result with be a function type with range
723 * <code>BOOLEAN</code>. <code>sorts</code> must have at least one
726 inline TypeNode
mkPredicateType(const std::vector
<TypeNode
>& sorts
);
729 * Make a tuple type with types from
730 * <code>types</code>. <code>types</code> must have at least one
733 * @param types a vector of types
734 * @returns the tuple type (types[0], ..., types[n])
736 inline TypeNode
mkTupleType(const std::vector
<TypeNode
>& types
);
739 * Make a record type with the description from rec.
741 * @param rec a description of the record
742 * @returns the record type
744 inline TypeNode
mkRecordType(const Record
& rec
);
747 * Make a symbolic expression type with types from
748 * <code>types</code>. <code>types</code> may have any number of
751 * @param types a vector of types
752 * @returns the symbolic expression type (types[0], ..., types[n])
754 inline TypeNode
mkSExprType(const std::vector
<TypeNode
>& types
);
756 /** Make the type of bitvectors of size <code>size</code> */
757 inline TypeNode
mkBitVectorType(unsigned size
);
759 /** Make the type of arrays with the given parameterization */
760 inline TypeNode
mkArrayType(TypeNode indexType
, TypeNode constituentType
);
762 /** Make the type of arrays with the given parameterization */
763 inline TypeNode
mkSetType(TypeNode elementType
);
765 /** Make a type representing a constructor with the given parameterization */
766 TypeNode
mkConstructorType(const DatatypeConstructor
& constructor
, TypeNode range
);
768 /** Make a type representing a selector with the given parameterization */
769 inline TypeNode
mkSelectorType(TypeNode domain
, TypeNode range
);
771 /** Make a type representing a tester with given parameterization */
772 inline TypeNode
mkTesterType(TypeNode domain
);
774 /** Make a new (anonymous) sort of arity 0. */
775 TypeNode
mkSort(uint32_t flags
= ExprManager::SORT_FLAG_NONE
);
777 /** Make a new sort with the given name of arity 0. */
778 TypeNode
mkSort(const std::string
& name
, uint32_t flags
= ExprManager::SORT_FLAG_NONE
);
780 /** Make a new sort by parameterizing the given sort constructor. */
781 TypeNode
mkSort(TypeNode constructor
,
782 const std::vector
<TypeNode
>& children
,
783 uint32_t flags
= ExprManager::SORT_FLAG_NONE
);
785 /** Make a new sort with the given name and arity. */
786 TypeNode
mkSortConstructor(const std::string
& name
, size_t arity
);
789 * Make a predicate subtype type defined by the given LAMBDA
790 * expression. A TypeCheckingExceptionPrivate can be thrown if
791 * lambda is not a LAMBDA, or is ill-typed, or if CVC4 fails at
792 * proving that the resulting predicate subtype is inhabited.
794 TypeNode
mkPredicateSubtype(Expr lambda
)
795 throw(TypeCheckingExceptionPrivate
);
798 * Make a predicate subtype type defined by the given LAMBDA
799 * expression and whose non-emptiness is witnessed by the given
800 * witness. A TypeCheckingExceptionPrivate can be thrown if lambda
801 * is not a LAMBDA, or is ill-typed, or if the witness is not a
802 * witness or ill-typed.
804 TypeNode
mkPredicateSubtype(Expr lambda
, Expr witness
)
805 throw(TypeCheckingExceptionPrivate
);
808 * Make an integer subrange type as defined by the argument.
810 TypeNode
mkSubrangeType(const SubrangeBounds
& bounds
)
811 throw(TypeCheckingExceptionPrivate
);
814 * Given a tuple or record type, get the internal datatype used for
815 * it. Makes the DatatypeType if necessary.
817 TypeNode
getDatatypeForTupleRecord(TypeNode tupleRecordType
);
820 * Get the type for the given node and optionally do type checking.
822 * Initial type computation will be near-constant time if
823 * type checking is not requested. Results are memoized, so that
824 * subsequent calls to getType() without type checking will be
827 * Initial type checking is linear in the size of the expression.
828 * Again, the results are memoized, so that subsequent calls to
829 * getType(), with or without type checking, will be constant
832 * NOTE: A TypeCheckingException can be thrown even when type
833 * checking is not requested. getType() will always return a
834 * valid and correct type and, thus, an exception will be thrown
835 * when no valid or correct type can be computed (e.g., if the
836 * arguments to a bit-vector operation aren't bit-vectors). When
837 * type checking is not requested, getType() will do the minimum
838 * amount of checking required to return a valid result.
840 * @param n the Node for which we want a type
841 * @param check whether we should check the type as we compute it
844 TypeNode
getType(TNode n
, bool check
= false)
845 throw(TypeCheckingExceptionPrivate
, AssertionException
);
848 * Convert a node to an expression. Uses the ExprManager
849 * associated to this NodeManager.
851 inline Expr
toExpr(TNode n
);
854 * Convert an expression to a node.
856 static inline Node
fromExpr(const Expr
& e
);
859 * Convert a node manager to an expression manager.
861 inline ExprManager
* toExprManager();
864 * Convert an expression manager to a node manager.
866 static inline NodeManager
* fromExprManager(ExprManager
* exprManager
);
869 * Convert a type node to a type.
871 inline Type
toType(TypeNode tn
);
874 * Convert a type to a type node.
876 static inline TypeNode
fromType(Type t
);
878 /** Reclaim zombies while there are more than k nodes in the pool (if possible).*/
879 void reclaimZombiesUntil(uint32_t k
);
881 /** Reclaims all zombies (if possible).*/
882 void reclaimAllZombies();
884 /** Size of the node pool. */
885 size_t poolSize() const;
887 /** Deletes a list of attributes from the NM's AttributeManager.*/
888 void deleteAttributes(const std::vector
< const expr::attr::AttributeUniqueId
* >& ids
);
891 * This function gives developers a hook into the NodeManager.
892 * This can be changed in node_manager.cpp without recompiling most of cvc4.
894 * debugHook is a debugging only function, and should not be present in
895 * any published code!
897 void debugHook(int debugFlag
);
898 };/* class NodeManager */
901 * This class changes the "current" thread-global
902 * <code>NodeManager</code> when it is created and reinstates the
903 * previous thread-global <code>NodeManager</code> when it is
904 * destroyed, effectively maintaining a set of nested
905 * <code>NodeManager</code> scopes. This is especially useful on
906 * public-interface calls into the CVC4 library, where CVC4's notion
907 * of the "current" <code>NodeManager</code> should be set to match
908 * the calling context. See, for example, the implementations of
909 * public calls in the <code>ExprManager</code> and
910 * <code>SmtEngine</code> classes.
912 * The client must be careful to create and destroy
913 * <code>NodeManagerScope</code> objects in a well-nested manner (such
914 * as on the stack). You may create a <code>NodeManagerScope</code>
915 * with <code>new</code> and destroy it with <code>delete</code>, or
916 * place it as a data member of an object that is, but if the scope of
917 * these <code>new</code>/<code>delete</code> pairs isn't properly
918 * maintained, the incorrect "current" <code>NodeManager</code>
919 * pointer may be restored after a delete.
921 class NodeManagerScope
{
922 /** The old NodeManager, to be restored on destruction. */
923 NodeManager
* d_oldNodeManager
;
927 NodeManagerScope(NodeManager
* nm
) :
928 d_oldNodeManager(NodeManager::s_current
) {
929 // There are corner cases where nm can be NULL and it's ok.
930 // For example, if you write { Expr e; }, then when the null
931 // Expr is destructed, there's no active node manager.
932 //Assert(nm != NULL);
933 NodeManager::s_current
= nm
;
934 Options::s_current
= nm
? nm
->d_options
: NULL
;
935 Debug("current") << "node manager scope: "
936 << NodeManager::s_current
<< "\n";
939 ~NodeManagerScope() {
940 NodeManager::s_current
= d_oldNodeManager
;
941 Options::s_current
= d_oldNodeManager
? d_oldNodeManager
->d_options
: NULL
;
942 Debug("current") << "node manager scope: "
943 << "returning to " << NodeManager::s_current
<< "\n";
945 };/* class NodeManagerScope */
947 /** Get the (singleton) type for booleans. */
948 inline TypeNode
NodeManager::booleanType() {
949 return TypeNode(mkTypeConst
<TypeConstant
>(BOOLEAN_TYPE
));
952 /** Get the (singleton) type for integers. */
953 inline TypeNode
NodeManager::integerType() {
954 return TypeNode(mkTypeConst
<TypeConstant
>(INTEGER_TYPE
));
957 /** Get the (singleton) type for reals. */
958 inline TypeNode
NodeManager::realType() {
959 return TypeNode(mkTypeConst
<TypeConstant
>(REAL_TYPE
));
962 /** Get the (singleton) type for strings. */
963 inline TypeNode
NodeManager::stringType() {
964 return TypeNode(mkTypeConst
<TypeConstant
>(STRING_TYPE
));
967 /** Get the (singleton) type for regexps. */
968 inline TypeNode
NodeManager::regexpType() {
969 return TypeNode(mkTypeConst
<TypeConstant
>(REGEXP_TYPE
));
972 /** Get the bound var list type. */
973 inline TypeNode
NodeManager::boundVarListType() {
974 return TypeNode(mkTypeConst
<TypeConstant
>(BOUND_VAR_LIST_TYPE
));
977 /** Get the instantiation pattern type. */
978 inline TypeNode
NodeManager::instPatternType() {
979 return TypeNode(mkTypeConst
<TypeConstant
>(INST_PATTERN_TYPE
));
982 /** Get the instantiation pattern type. */
983 inline TypeNode
NodeManager::instPatternListType() {
984 return TypeNode(mkTypeConst
<TypeConstant
>(INST_PATTERN_LIST_TYPE
));
987 /** Get the (singleton) type for builtin operators. */
988 inline TypeNode
NodeManager::builtinOperatorType() {
989 return TypeNode(mkTypeConst
<TypeConstant
>(BUILTIN_OPERATOR_TYPE
));
992 /** Make a function type from domain to range. */
993 inline TypeNode
NodeManager::mkFunctionType(const TypeNode
& domain
, const TypeNode
& range
) {
994 std::vector
<TypeNode
> sorts
;
995 sorts
.push_back(domain
);
996 sorts
.push_back(range
);
997 return mkFunctionType(sorts
);
1000 inline TypeNode
NodeManager::mkFunctionType(const std::vector
<TypeNode
>& argTypes
, const TypeNode
& range
) {
1001 Assert(argTypes
.size() >= 1);
1002 std::vector
<TypeNode
> sorts(argTypes
);
1003 sorts
.push_back(range
);
1004 return mkFunctionType(sorts
);
1008 NodeManager::mkFunctionType(const std::vector
<TypeNode
>& sorts
) {
1009 Assert(sorts
.size() >= 2);
1010 std::vector
<TypeNode
> sortNodes
;
1011 for (unsigned i
= 0; i
< sorts
.size(); ++ i
) {
1012 CheckArgument(!sorts
[i
].isFunctionLike(), sorts
,
1013 "cannot create higher-order function types");
1014 sortNodes
.push_back(sorts
[i
]);
1016 return mkTypeNode(kind::FUNCTION_TYPE
, sortNodes
);
1020 NodeManager::mkPredicateType(const std::vector
<TypeNode
>& sorts
) {
1021 Assert(sorts
.size() >= 1);
1022 std::vector
<TypeNode
> sortNodes
;
1023 for (unsigned i
= 0; i
< sorts
.size(); ++ i
) {
1024 CheckArgument(!sorts
[i
].isFunctionLike(), sorts
,
1025 "cannot create higher-order function types");
1026 sortNodes
.push_back(sorts
[i
]);
1028 sortNodes
.push_back(booleanType());
1029 return mkTypeNode(kind::FUNCTION_TYPE
, sortNodes
);
1032 inline TypeNode
NodeManager::mkTupleType(const std::vector
<TypeNode
>& types
) {
1033 std::vector
<TypeNode
> typeNodes
;
1034 for (unsigned i
= 0; i
< types
.size(); ++ i
) {
1035 CheckArgument(!types
[i
].isFunctionLike(), types
,
1036 "cannot put function-like types in tuples");
1037 typeNodes
.push_back(types
[i
]);
1039 return mkTypeNode(kind::TUPLE_TYPE
, typeNodes
);
1042 inline TypeNode
NodeManager::mkRecordType(const Record
& rec
) {
1043 return mkTypeConst(rec
);
1046 inline TypeNode
NodeManager::mkSExprType(const std::vector
<TypeNode
>& types
) {
1047 std::vector
<TypeNode
> typeNodes
;
1048 for (unsigned i
= 0; i
< types
.size(); ++ i
) {
1049 typeNodes
.push_back(types
[i
]);
1051 return mkTypeNode(kind::SEXPR_TYPE
, typeNodes
);
1054 inline TypeNode
NodeManager::mkBitVectorType(unsigned size
) {
1055 return TypeNode(mkTypeConst
<BitVectorSize
>(BitVectorSize(size
)));
1058 inline TypeNode
NodeManager::mkArrayType(TypeNode indexType
,
1059 TypeNode constituentType
) {
1060 CheckArgument(!indexType
.isNull(), indexType
,
1061 "unexpected NULL index type");
1062 CheckArgument(!constituentType
.isNull(), constituentType
,
1063 "unexpected NULL constituent type");
1064 CheckArgument(!indexType
.isFunctionLike(), indexType
,
1065 "cannot index arrays by a function-like type");
1066 CheckArgument(!constituentType
.isFunctionLike(), constituentType
,
1067 "cannot store function-like types in arrays");
1068 Debug("arrays") << "making array type " << indexType
<< " " << constituentType
<< std::endl
;
1069 return mkTypeNode(kind::ARRAY_TYPE
, indexType
, constituentType
);
1072 inline TypeNode
NodeManager::mkSetType(TypeNode elementType
) {
1073 CheckArgument(!elementType
.isNull(), elementType
,
1074 "unexpected NULL element type");
1075 // TODO: Confirm meaning of isFunctionLike(). --K
1076 CheckArgument(!elementType
.isFunctionLike(), elementType
,
1077 "cannot store function-like types in sets");
1078 Debug("sets") << "making sets type " << elementType
<< std::endl
;
1079 return mkTypeNode(kind::SET_TYPE
, elementType
);
1082 inline TypeNode
NodeManager::mkSelectorType(TypeNode domain
, TypeNode range
) {
1083 CheckArgument(!domain
.isFunctionLike(), domain
,
1084 "cannot create higher-order function types");
1085 CheckArgument(!range
.isFunctionLike(), range
,
1086 "cannot create higher-order function types");
1087 return mkTypeNode(kind::SELECTOR_TYPE
, domain
, range
);
1090 inline TypeNode
NodeManager::mkTesterType(TypeNode domain
) {
1091 CheckArgument(!domain
.isFunctionLike(), domain
,
1092 "cannot create higher-order function types");
1093 return mkTypeNode(kind::TESTER_TYPE
, domain
);
1096 inline expr::NodeValue
* NodeManager::poolLookup(expr::NodeValue
* nv
) const {
1097 NodeValuePool::const_iterator find
= d_nodeValuePool
.find(nv
);
1098 if(find
== d_nodeValuePool
.end()) {
1105 inline void NodeManager::poolInsert(expr::NodeValue
* nv
) {
1106 Assert(d_nodeValuePool
.find(nv
) == d_nodeValuePool
.end(),
1107 "NodeValue already in the pool!");
1108 d_nodeValuePool
.insert(nv
);// FIXME multithreading
1111 inline void NodeManager::poolRemove(expr::NodeValue
* nv
) {
1112 Assert(d_nodeValuePool
.find(nv
) != d_nodeValuePool
.end(),
1113 "NodeValue is not in the pool!");
1115 d_nodeValuePool
.erase(nv
);// FIXME multithreading
1118 inline Expr
NodeManager::toExpr(TNode n
) {
1119 return Expr(d_exprManager
, new Node(n
));
1122 inline Node
NodeManager::fromExpr(const Expr
& e
) {
1126 inline ExprManager
* NodeManager::toExprManager() {
1127 return d_exprManager
;
1130 inline NodeManager
* NodeManager::fromExprManager(ExprManager
* exprManager
) {
1131 return exprManager
->getNodeManager();
1134 inline Type
NodeManager::toType(TypeNode tn
) {
1135 return Type(this, new TypeNode(tn
));
1138 inline TypeNode
NodeManager::fromType(Type t
) {
1139 return *Type::getTypeNode(t
);
1142 }/* CVC4 namespace */
1144 #define __CVC4__NODE_MANAGER_NEEDS_CONSTANT_MAP
1145 #include "expr/metakind.h"
1146 #undef __CVC4__NODE_MANAGER_NEEDS_CONSTANT_MAP
1148 #include "expr/node_builder.h"
1152 // general expression-builders
1154 inline bool NodeManager::hasOperator(Kind k
) {
1155 switch(kind::MetaKind mk
= kind::metaKindOf(k
)) {
1157 case kind::metakind::INVALID
:
1158 case kind::metakind::VARIABLE
:
1161 case kind::metakind::OPERATOR
:
1162 case kind::metakind::PARAMETERIZED
:
1165 case kind::metakind::CONSTANT
:
1173 inline Kind
NodeManager::operatorToKind(TNode n
) {
1174 return kind::operatorToKind(n
.d_nv
);
1177 inline Node
NodeManager::mkNode(Kind kind
, TNode child1
) {
1178 NodeBuilder
<1> nb(this, kind
);
1180 return nb
.constructNode();
1183 inline Node
* NodeManager::mkNodePtr(Kind kind
, TNode child1
) {
1184 NodeBuilder
<1> nb(this, kind
);
1186 return nb
.constructNodePtr();
1189 inline Node
NodeManager::mkNode(Kind kind
, TNode child1
, TNode child2
) {
1190 NodeBuilder
<2> nb(this, kind
);
1191 nb
<< child1
<< child2
;
1192 return nb
.constructNode();
1195 inline Node
* NodeManager::mkNodePtr(Kind kind
, TNode child1
, TNode child2
) {
1196 NodeBuilder
<2> nb(this, kind
);
1197 nb
<< child1
<< child2
;
1198 return nb
.constructNodePtr();
1201 inline Node
NodeManager::mkNode(Kind kind
, TNode child1
, TNode child2
,
1203 NodeBuilder
<3> nb(this, kind
);
1204 nb
<< child1
<< child2
<< child3
;
1205 return nb
.constructNode();
1208 inline Node
* NodeManager::mkNodePtr(Kind kind
, TNode child1
, TNode child2
,
1210 NodeBuilder
<3> nb(this, kind
);
1211 nb
<< child1
<< child2
<< child3
;
1212 return nb
.constructNodePtr();
1215 inline Node
NodeManager::mkNode(Kind kind
, TNode child1
, TNode child2
,
1216 TNode child3
, TNode child4
) {
1217 NodeBuilder
<4> nb(this, kind
);
1218 nb
<< child1
<< child2
<< child3
<< child4
;
1219 return nb
.constructNode();
1222 inline Node
* NodeManager::mkNodePtr(Kind kind
, TNode child1
, TNode child2
,
1223 TNode child3
, TNode child4
) {
1224 NodeBuilder
<4> nb(this, kind
);
1225 nb
<< child1
<< child2
<< child3
<< child4
;
1226 return nb
.constructNodePtr();
1229 inline Node
NodeManager::mkNode(Kind kind
, TNode child1
, TNode child2
,
1230 TNode child3
, TNode child4
, TNode child5
) {
1231 NodeBuilder
<5> nb(this, kind
);
1232 nb
<< child1
<< child2
<< child3
<< child4
<< child5
;
1233 return nb
.constructNode();
1236 inline Node
* NodeManager::mkNodePtr(Kind kind
, TNode child1
, TNode child2
,
1237 TNode child3
, TNode child4
, TNode child5
) {
1238 NodeBuilder
<5> nb(this, kind
);
1239 nb
<< child1
<< child2
<< child3
<< child4
<< child5
;
1240 return nb
.constructNodePtr();
1244 template <bool ref_count
>
1245 inline Node
NodeManager::mkNode(Kind kind
,
1246 const std::vector
<NodeTemplate
<ref_count
> >&
1248 NodeBuilder
<> nb(this, kind
);
1249 nb
.append(children
);
1250 return nb
.constructNode();
1253 template <bool ref_count
>
1254 inline Node
* NodeManager::mkNodePtr(Kind kind
,
1255 const std::vector
<NodeTemplate
<ref_count
> >&
1257 NodeBuilder
<> nb(this, kind
);
1258 nb
.append(children
);
1259 return nb
.constructNodePtr();
1263 inline Node
NodeManager::mkNode(TNode opNode
) {
1264 NodeBuilder
<1> nb(this, operatorToKind(opNode
));
1265 if(opNode
.getKind() != kind::BUILTIN
) {
1268 return nb
.constructNode();
1271 inline Node
* NodeManager::mkNodePtr(TNode opNode
) {
1272 NodeBuilder
<1> nb(this, operatorToKind(opNode
));
1273 if(opNode
.getKind() != kind::BUILTIN
) {
1276 return nb
.constructNodePtr();
1279 inline Node
NodeManager::mkNode(TNode opNode
, TNode child1
) {
1280 NodeBuilder
<2> nb(this, operatorToKind(opNode
));
1281 if(opNode
.getKind() != kind::BUILTIN
) {
1285 return nb
.constructNode();
1288 inline Node
* NodeManager::mkNodePtr(TNode opNode
, TNode child1
) {
1289 NodeBuilder
<2> nb(this, operatorToKind(opNode
));
1290 if(opNode
.getKind() != kind::BUILTIN
) {
1294 return nb
.constructNodePtr();
1297 inline Node
NodeManager::mkNode(TNode opNode
, TNode child1
, TNode child2
) {
1298 NodeBuilder
<3> nb(this, operatorToKind(opNode
));
1299 if(opNode
.getKind() != kind::BUILTIN
) {
1302 nb
<< child1
<< child2
;
1303 return nb
.constructNode();
1306 inline Node
* NodeManager::mkNodePtr(TNode opNode
, TNode child1
, TNode child2
) {
1307 NodeBuilder
<3> nb(this, operatorToKind(opNode
));
1308 if(opNode
.getKind() != kind::BUILTIN
) {
1311 nb
<< child1
<< child2
;
1312 return nb
.constructNodePtr();
1315 inline Node
NodeManager::mkNode(TNode opNode
, TNode child1
, TNode child2
,
1317 NodeBuilder
<4> nb(this, operatorToKind(opNode
));
1318 if(opNode
.getKind() != kind::BUILTIN
) {
1321 nb
<< child1
<< child2
<< child3
;
1322 return nb
.constructNode();
1325 inline Node
* NodeManager::mkNodePtr(TNode opNode
, TNode child1
, TNode child2
,
1327 NodeBuilder
<4> nb(this, operatorToKind(opNode
));
1328 if(opNode
.getKind() != kind::BUILTIN
) {
1331 nb
<< child1
<< child2
<< child3
;
1332 return nb
.constructNodePtr();
1335 inline Node
NodeManager::mkNode(TNode opNode
, TNode child1
, TNode child2
,
1336 TNode child3
, TNode child4
) {
1337 NodeBuilder
<5> nb(this, operatorToKind(opNode
));
1338 if(opNode
.getKind() != kind::BUILTIN
) {
1341 nb
<< child1
<< child2
<< child3
<< child4
;
1342 return nb
.constructNode();
1345 inline Node
* NodeManager::mkNodePtr(TNode opNode
, TNode child1
, TNode child2
,
1346 TNode child3
, TNode child4
) {
1347 NodeBuilder
<5> nb(this, operatorToKind(opNode
));
1348 if(opNode
.getKind() != kind::BUILTIN
) {
1351 nb
<< child1
<< child2
<< child3
<< child4
;
1352 return nb
.constructNodePtr();
1355 inline Node
NodeManager::mkNode(TNode opNode
, TNode child1
, TNode child2
,
1356 TNode child3
, TNode child4
, TNode child5
) {
1357 NodeBuilder
<6> nb(this, operatorToKind(opNode
));
1358 if(opNode
.getKind() != kind::BUILTIN
) {
1361 nb
<< child1
<< child2
<< child3
<< child4
<< child5
;
1362 return nb
.constructNode();
1365 inline Node
* NodeManager::mkNodePtr(TNode opNode
, TNode child1
, TNode child2
,
1366 TNode child3
, TNode child4
, TNode child5
) {
1367 NodeBuilder
<6> nb(this, operatorToKind(opNode
));
1368 if(opNode
.getKind() != kind::BUILTIN
) {
1371 nb
<< child1
<< child2
<< child3
<< child4
<< child5
;
1372 return nb
.constructNodePtr();
1375 // N-ary version for operators
1376 template <bool ref_count
>
1377 inline Node
NodeManager::mkNode(TNode opNode
,
1378 const std::vector
<NodeTemplate
<ref_count
> >&
1380 NodeBuilder
<> nb(this, operatorToKind(opNode
));
1381 if(opNode
.getKind() != kind::BUILTIN
) {
1384 nb
.append(children
);
1385 return nb
.constructNode();
1388 template <bool ref_count
>
1389 inline Node
* NodeManager::mkNodePtr(TNode opNode
,
1390 const std::vector
<NodeTemplate
<ref_count
> >&
1392 NodeBuilder
<> nb(this, operatorToKind(opNode
));
1393 if(opNode
.getKind() != kind::BUILTIN
) {
1396 nb
.append(children
);
1397 return nb
.constructNodePtr();
1401 inline TypeNode
NodeManager::mkTypeNode(Kind kind
, TypeNode child1
) {
1402 return (NodeBuilder
<1>(this, kind
) << child1
).constructTypeNode();
1405 inline TypeNode
NodeManager::mkTypeNode(Kind kind
, TypeNode child1
,
1407 return (NodeBuilder
<2>(this, kind
) << child1
<< child2
).constructTypeNode();
1410 inline TypeNode
NodeManager::mkTypeNode(Kind kind
, TypeNode child1
,
1411 TypeNode child2
, TypeNode child3
) {
1412 return (NodeBuilder
<3>(this, kind
) << child1
<< child2
<< child3
).constructTypeNode();
1415 // N-ary version for types
1416 inline TypeNode
NodeManager::mkTypeNode(Kind kind
,
1417 const std::vector
<TypeNode
>& children
) {
1418 return NodeBuilder
<>(this, kind
).append(children
).constructTypeNode();
1422 Node
NodeManager::mkConst(const T
& val
) {
1423 return mkConstInternal
<Node
, T
>(val
);
1427 TypeNode
NodeManager::mkTypeConst(const T
& val
) {
1428 return mkConstInternal
<TypeNode
, T
>(val
);
1431 template <class NodeClass
, class T
>
1432 NodeClass
NodeManager::mkConstInternal(const T
& val
) {
1434 // typedef typename kind::metakind::constantMap<T>::OwningTheory theory_t;
1435 NVStorage
<1> nvStorage
;
1436 expr::NodeValue
& nvStack
= reinterpret_cast<expr::NodeValue
&>(nvStorage
);
1439 nvStack
.d_kind
= kind::metakind::ConstantMap
<T
>::kind
;
1441 nvStack
.d_nchildren
= 1;
1443 #if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
1444 #pragma GCC diagnostic push
1445 #pragma GCC diagnostic ignored "-Warray-bounds"
1448 nvStack
.d_children
[0] =
1449 const_cast<expr::NodeValue
*>(reinterpret_cast<const expr::NodeValue
*>(&val
));
1450 expr::NodeValue
* nv
= poolLookup(&nvStack
);
1452 #if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
1453 #pragma GCC diagnostic pop
1457 return NodeClass(nv
);
1460 nv
= (expr::NodeValue
*)
1461 std::malloc(sizeof(expr::NodeValue
) + sizeof(T
));
1463 throw std::bad_alloc();
1466 nv
->d_nchildren
= 0;
1467 nv
->d_kind
= kind::metakind::ConstantMap
<T
>::kind
;
1468 nv
->d_id
= next_id
++;// FIXME multithreading
1471 //OwningTheory::mkConst(val);
1472 new (&nv
->d_children
) T(val
);
1475 if(Debug
.isOn("gc")) {
1476 Debug("gc") << "creating node value " << nv
1477 << " [" << nv
->d_id
<< "]: ";
1478 nv
->printAst(Debug("gc"));
1479 Debug("gc") << std::endl
;
1482 return NodeClass(nv
);
1485 }/* CVC4 namespace */
1487 #endif /* __CVC4__NODE_MANAGER_H */