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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Guido Tack <guido.tack@monash.edu>
*/
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <minizinc/flatten_internal.hh>
#include <minizinc/pathfileprinter.hh>
#include <sstream>
namespace MiniZinc {
using std::string;
using std::vector;
PathFilePrinter::PathFilePrinter(std::ostream& o, EnvI& /*env*/) : _os(o), _constraintIndex(0) {}
void PathFilePrinter::addBetterName(Id* id, const string& name, const string& path,
bool overwrite = false) {
string oname;
string opath;
auto it = _betternames.find(id);
if (it != _betternames.end()) {
oname = it->second.first;
opath = it->second.second;
}
if (!name.empty() && (overwrite || oname.empty())) {
oname = name;
}
if (!path.empty() && (overwrite || opath.empty())) {
opath = path;
}
_betternames[id] = NamePair(oname, opath);
}
string path2name(const string& path) {
std::stringstream name;
size_t idpos = path.rfind("id:");
if (idpos != string::npos) {
idpos += 3;
size_t semi = path.find(';', idpos);
if (semi != string::npos) {
// Variable name
name << path.substr(idpos, semi - idpos);
// Check for array
int dim = 0;
size_t ilpos = semi - idpos;
do {
ilpos = path.find("il:", ilpos);
if (ilpos != string::npos) {
ilpos += 3;
semi = path.find(';', ilpos);
if (semi != string::npos) {
if (dim == 0) {
name << "[";
} else {
name << ",";
}
name << path.substr(ilpos, semi - ilpos);
dim++;
}
}
} while (ilpos != string::npos);
if (dim > 0) {
name << "?]";
}
// Check for anon
if (path.find(":anon") != string::npos || path.find('=') != string::npos) {
name.str("");
name.clear();
}
}
}
return name.str();
}
void PathFilePrinter::buildMap(Model* m) {
// Build map
for (VarDeclIterator vdit = m->vardecls().begin(); vdit != m->vardecls().end(); ++vdit) {
VarDecl* e = vdit->e();
for (ExpressionSetIter it = Expression::ann(e).begin(); it != Expression::ann(e).end(); ++it) {
if (Call* ca = Expression::dynamicCast<Call>(*it)) {
ASTString cid = ca->id();
if (cid == Constants::constants().ann.output_array) {
if (auto* rhs = Expression::dynamicCast<ArrayLit>(e->e())) {
for (unsigned int ind = 0; ind < rhs->size(); ind++) {
if (Id* id = Expression::dynamicCast<Id>((*rhs)[ind])) {
std::stringstream bettername;
bettername << *e->id() << "[";
// Array of sets
ArrayLit& dimsets = *Expression::cast<ArrayLit>(ca->arg(0));
vector<IntVal> dims(dimsets.size(), 1);
for (unsigned int i = 0; i < dimsets.size(); i++) {
auto* sl = Expression::cast<SetLit>(dimsets[i]);
dims[i] = sl->isv()->card();
}
vector<IntVal> dimspan(dims.size(), 1);
for (unsigned int i = 0; i < dims.size(); i++) {
for (unsigned int j = i + 1; j < dims.size(); j++) {
dimspan[i] *= dims[j];
}
}
IntVal curind = ind;
for (unsigned int i = 0; i < dims.size() - 1; i++) {
IntVal thisind = curind / dimspan[i];
curind -= thisind * dimspan[i];
bettername << Expression::cast<SetLit>(dimsets[i])->isv()->min() + thisind << ",";
}
bettername << Expression::cast<SetLit>(dimsets[dimsets.size() - 1])->isv()->min() +
curind
<< "]";
addBetterName(id, bettername.str(), "", true);
}
}
}
} else if (ca->id() == Constants::constants().ann.mzn_path) {
auto* sl = Expression::cast<StringLit>(ca->arg(0));
addBetterName(e->id(), path2name(string(sl->v().c_str(), sl->v().size())),
string(sl->v().c_str()));
}
}
}
}
}
void PathFilePrinter::print(Model* m) {
buildMap(m);
// Print values
for (Item* item : *m) {
print(item);
}
}
void PathFilePrinter::print(Item* item) {
if (auto* vdi = item->dynamicCast<VarDeclI>()) {
Id* id = vdi->e()->id();
NamePair np = _betternames[id];
if (!np.first.empty() || !np.second.empty()) {
// FlatZinc name
_os << *id << "\t";
// Nice name
if (np.first.empty()) {
_os << *id << "\t";
} else {
string name = np.first;
_os << name;
if (name.find('?') != string::npos) {
_os << "(" << *id << ")";
}
_os << "\t";
}
// Path
_os << np.second << std::endl;
}
} else if (auto* ci = item->dynamicCast<ConstraintI>()) {
StringLit* sl = nullptr;
Expression* e = ci->e();
for (ExpressionSetIter it = Expression::ann(e).begin(); it != Expression::ann(e).end(); ++it) {
if (Call* ca = Expression::dynamicCast<Call>(*it)) {
ASTString cid = ca->id();
if (cid == Constants::constants().ann.mzn_path) {
sl = Expression::cast<StringLit>(ca->arg(0));
}
}
}
_os << _constraintIndex << "\t";
_os << _constraintIndex << "\t";
if (sl != nullptr) {
_os << sl->v();
} else {
_os << "";
}
_os << std::endl;
_constraintIndex++;
}
}
void PathFilePrinter::json(Model* m) {
buildMap(m);
// Print values
_os << "[";
bool first = true;
for (Item* item : *m) {
GCLock lock;
if (auto* vdi = item->dynamicCast<VarDeclI>()) {
Id* id = vdi->e()->id();
NamePair np = _betternames[id];
if (!np.first.empty() || !np.second.empty()) {
if (first) {
first = false;
} else {
_os << ", ";
}
_os << "{";
// FlatZinc name
_os << "\"flatZincName\": \"" << Printer::escapeStringLit(id->str()) << "\", ";
// Nice name
_os << "\"niceName\": \"";
if (np.first.empty()) {
_os << Printer::escapeStringLit(id->str());
} else {
string name = np.first;
_os << Printer::escapeStringLit(name);
if (name.find('?') != string::npos) {
_os << "(" << Printer::escapeStringLit(id->str()) << ")";
}
}
_os << "\", ";
// Path
_os << "\"path\": \"" << Printer::escapeStringLit(np.second) << "\"";
_os << "}";
}
} else if (auto* ci = item->dynamicCast<ConstraintI>()) {
StringLit* sl = nullptr;
Expression* e = ci->e();
for (ExpressionSetIter it = Expression::ann(e).begin(); it != Expression::ann(e).end();
++it) {
if (Call* ca = Expression::dynamicCast<Call>(*it)) {
ASTString cid = ca->id();
if (cid == Constants::constants().ann.mzn_path) {
sl = Expression::cast<StringLit>(ca->arg(0));
}
}
}
if (first) {
first = false;
} else {
_os << ", ";
}
_os << "{";
_os << "\"constraintIndex\": " << _constraintIndex << ", ";
_os << "\"path\": ";
if (sl != nullptr) {
_os << "\"" << Printer::escapeStringLit(sl->v()) << "\"";
} else {
_os << "null";
}
_constraintIndex++;
_os << "}";
}
_os.flush();
assert(_os.good());
}
_os << "]";
assert(_os.good());
}
} // namespace MiniZinc
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