void FlatZincSpace::parseSolveAnn(AST::Array* ann) {
bool hadSearchAnnotation = false;
if (ann) {
std::vector<AST::Node*> flatAnn;
flattenAnnotations(ann, flatAnn);
for (unsigned int i=0; i<flatAnn.size(); i++) {
try {
AST::Call *call = flatAnn[i]->getCall("int_search");
AST::Array *args = call->getArgs(4);
AST::Array *vars = args->a[0]->getArray();
vec<Branching*> va;
for (unsigned int i = 0; i < vars->a.size(); i++) {
if (vars->a[i]->isInt()) continue;
IntVar* v = iv[vars->a[i]->getIntVar()];
if (v->isFixed()) continue;
va.push(v);
}
branch(va, ann2ivarsel(args->a[1]), ann2ivalsel(args->a[2]));
if (AST::String* s = dynamic_cast<AST::String*>(args->a[3])) {
if (s->s == "all") so.nof_solutions = 0;
}
hadSearchAnnotation = true;
} catch (AST::TypeError& e) {
(void) e;
try {
AST::Call *call = flatAnn[i]->getCall("bool_search");
AST::Array *args = call->getArgs(4);
AST::Array *vars = args->a[0]->getArray();
vec<Branching*> va(vars->a.size());
for (int i=vars->a.size(); i--; )
va[i] = new BoolView(bv[vars->a[i]->getBoolVar()]);
branch(va, ann2ivarsel(args->a[1]), ann2ivalsel(args->a[2]));
if (AST::String* s = dynamic_cast<AST::String*>(args->a[3])) {
if (s->s == "all") so.nof_solutions = 0;
}
hadSearchAnnotation = true;
} catch (AST::TypeError& e) {
(void) e;
fprintf(stderr, "% Type error in search annotation. Ignoring!\n");
}
}
}
}
if (!hadSearchAnnotation) {
fprintf(stderr, "% No search annotation given. Defaulting to VSIDS!\n");
if (!so.vsids) {
so.vsids = true;
engine.branching->add(&sat);
}
}
}
void FlatZincSpace::fixAllSearch() {
vec<Branching*> va;
for (int i = 0; i < iv.size(); i++) {
if (iv_introduced[i]) continue;
IntVar* v = iv[i];
if (v->isFixed()) continue;
va.push(v);
}
for (int i = 0; i < bv.size(); i++) {
if (bv_introduced[i]) continue;
va.push(new BoolView(bv[i]));
}
for (int i = iv.size(); i--; ) {
if (!iv_introduced[i]) continue;
IntVar* v = iv[i];
if (v->isFixed()) continue;
va.push(v);
}
for (int i = 0; i < bv.size(); i++) {
if (!bv_introduced[i]) continue;
va.push(new BoolView(bv[i]));
}
if (va.size()) branch(va, VAR_INORDER, VAL_DEFAULT);
}
