1 #include "encodinggraph.h"
8 EncodingGraph::EncodingGraph(CSolver * _solver) :
14 void EncodingGraph::buildGraph() {
15 ElementIterator it(solver);
17 Element * e = it.next();
31 void EncodingGraph::processElement(Element *e) {
32 uint size=e->parents.getSize();
33 for(uint i=0;i<size;i++) {
34 ASTNode * n = e->parents.get(i);
37 processPredicate((BooleanPredicate *)n);
40 processFunction((ElementFunction *)n);
48 void EncodingGraph::processFunction(ElementFunction *ef) {
49 Function *f=ef->getFunction();
50 if (f->type==OPERATORFUNC) {
51 FunctionOperator *fo=(FunctionOperator*)f;
52 ASSERT(ef->inputs.getSize() == 2);
53 EncodingNode *left=createNode(ef->inputs.get(0));
54 EncodingNode *right=createNode(ef->inputs.get(1));
55 if (left == NULL && right == NULL)
57 EncodingNode *dst=createNode(ef);
58 EncodingEdge *edge=getEdge(left, right, dst);
63 void EncodingGraph::processPredicate(BooleanPredicate *b) {
64 Predicate *p=b->getPredicate();
65 if (p->type==OPERATORPRED) {
66 PredicateOperator *po=(PredicateOperator *)p;
67 ASSERT(b->inputs.getSize()==2);
68 EncodingNode *left=createNode(b->inputs.get(0));
69 EncodingNode *right=createNode(b->inputs.get(1));
70 if (left == NULL || right == NULL)
72 EncodingEdge *edge=getEdge(left, right, NULL);
73 CompOp op=po->getOp();
82 edge->numComparisons++;
90 EncodingEdge * EncodingGraph::getEdge(EncodingNode *left, EncodingNode *right, EncodingNode *dst) {
91 EncodingEdge e(left, right, dst);
92 EncodingEdge *result = edgeMap.get(&e);
94 result=new EncodingEdge(left, right, dst);
95 edgeMap.put(result, result);
100 EncodingNode::EncodingNode(Set *_s) :
105 uint EncodingNode::getSize() {
109 EncodingNode * EncodingGraph::createNode(Element *e) {
110 if (e->type == ELEMCONST)
112 Set *s = e->getRange();
113 EncodingNode *n = encodingMap.get(s);
115 n = new EncodingNode(s);
116 encodingMap.put(s, n);
119 if (discovered.add(e))
124 void EncodingNode::addElement(Element *e) {
128 EncodingEdge::EncodingEdge(EncodingNode *_l, EncodingNode *_r) :
138 EncodingEdge::EncodingEdge(EncodingNode *_left, EncodingNode *_right, EncodingNode *_dst) :
148 uint hashEncodingEdge(EncodingEdge *edge) {
149 uintptr_t hash=(((uintptr_t) edge->left) >> 2) ^ (((uintptr_t)edge->right) >> 4) ^ (((uintptr_t)edge->dst) >> 6);
153 bool equalsEncodingEdge(EncodingEdge *e1, EncodingEdge *e2) {
154 return e1->left == e2->left && e1->right == e2->right && e1->dst == e2->dst;