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C++

/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Pierre Wilke <wilke.pierre@gmail.com>
* 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/astexception.hh>
#include <minizinc/hash.hh>
#include <minizinc/iter.hh>
#include <minizinc/model.hh>
#include <minizinc/prettyprinter.hh>
#include <iomanip>
#include <limits>
#include <map>
#include <sstream>
#include <string>
#include <utility>
#include <vector>
namespace MiniZinc {
int precedence(const Expression* e) {
if (const auto* bo = e->dynamicCast<BinOp>()) {
switch (bo->op()) {
case BOT_EQUIV:
return 1200;
case BOT_IMPL:
case BOT_RIMPL:
return 1100;
case BOT_OR:
case BOT_XOR:
return 1000;
case BOT_AND:
return 900;
case BOT_LE:
case BOT_LQ:
case BOT_GR:
case BOT_GQ:
case BOT_EQ:
case BOT_NQ:
return 800;
case BOT_IN:
case BOT_SUBSET:
case BOT_SUPERSET:
return 700;
case BOT_UNION:
case BOT_DIFF:
case BOT_SYMDIFF:
return 600;
case BOT_DOTDOT:
return 500;
case BOT_PLUS:
case BOT_MINUS:
return 400;
case BOT_MULT:
case BOT_IDIV:
case BOT_MOD:
case BOT_DIV:
case BOT_INTERSECT:
return 300;
case BOT_POW:
case BOT_PLUSPLUS:
return 200;
default:
assert(false);
return -1;
}
} else if (e->isa<Let>()) {
return 1300;
} else {
return 0;
}
}
enum Assoc { AS_LEFT, AS_RIGHT, AS_NONE };
Assoc assoc(const BinOp* bo) {
switch (bo->op()) {
case BOT_LE:
case BOT_LQ:
case BOT_GR:
case BOT_GQ:
case BOT_NQ:
case BOT_EQ:
case BOT_IN:
case BOT_SUBSET:
case BOT_SUPERSET:
case BOT_DOTDOT:
return AS_NONE;
case BOT_PLUSPLUS:
return AS_RIGHT;
default:
return AS_LEFT;
}
}
enum Parentheses { PN_LEFT = 1, PN_RIGHT = 2 };
Parentheses need_parentheses(const BinOp* bo, const Expression* left, const Expression* right) {
int pbo = precedence(bo);
int pl = precedence(left);
int pr = precedence(right);
int ret = static_cast<int>((pbo < pl) || (pbo == pl && assoc(bo) != AS_LEFT));
ret += 2 * static_cast<int>((pbo < pr) || (pbo == pr && assoc(bo) != AS_RIGHT));
return static_cast<Parentheses>(ret);
}
void pp_floatval(std::ostream& os, const FloatVal& fv, bool hexFloat) {
std::ostringstream oss;
if (fv.isFinite()) {
if (hexFloat) {
throw InternalError("disabled due to hexfloat being not supported by g++ 4.9");
// std::hexfloat(oss);
oss << fv.toDouble();
os << oss.str();
}
oss << std::setprecision(std::numeric_limits<double>::digits10 + 1);
oss << fv;
if (oss.str().find('e') == std::string::npos && oss.str().find('.') == std::string::npos) {
oss << ".0";
}
os << oss.str();
} else {
if (fv.isPlusInfinity()) {
os << "infinity";
} else {
os << "-infinity";
}
}
}
class PlainPrinter {
private:
bool _flatZinc;
EnvI* _env;
std::ostream& _os;
public:
PlainPrinter(std::ostream& os, bool flatZinc, EnvI* env)
: _env(env), _os(os), _flatZinc(flatZinc) {}
void p(const Type& type, const Expression* e) {
switch (type.ti()) {
case Type::TI_PAR:
break;
case Type::TI_VAR:
_os << "var ";
break;
}
if (type.ot() == Type::OT_OPTIONAL) {
_os << "opt ";
}
if (type.st() == Type::ST_SET) {
_os << "set of ";
}
if (e == nullptr) {
switch (type.bt()) {
case Type::BT_INT:
_os << "int";
break;
case Type::BT_BOOL:
_os << "bool";
break;
case Type::BT_FLOAT:
_os << "float";
break;
case Type::BT_STRING:
_os << "string";
break;
case Type::BT_ANN:
_os << "ann";
break;
case Type::BT_BOT:
_os << "bot";
break;
case Type::BT_TOP:
_os << "top";
break;
case Type::BT_UNKNOWN:
_os << "???";
break;
}
} else {
p(e);
}
}
void p(const Annotation& ann) {
for (ExpressionSetIter it = ann.begin(); it != ann.end(); ++it) {
_os << ":: ";
p(*it);
}
}
void p(const Expression* e) {
if (e == nullptr) {
return;
}
switch (e->eid()) {
case Expression::E_INTLIT:
_os << e->cast<IntLit>()->v();
break;
case Expression::E_FLOATLIT: {
pp_floatval(_os, e->cast<FloatLit>()->v());
} break;
case Expression::E_SETLIT: {
const SetLit& sl = *e->cast<SetLit>();
if (sl.isv() != nullptr) {
if (sl.type().bt() == Type::BT_BOOL) {
if (sl.isv()->size() == 0) {
_os << (_flatZinc ? "true..false" : "{}");
} else {
_os << "{";
if (sl.isv()->min() == 0) {
if (sl.isv()->max() == 0) {
_os << "false";
} else {
_os << "false,true";
}
} else {
_os << "true";
}
_os << "}";
}
} else {
if (sl.isv()->size() == 0) {
_os << (_flatZinc ? "1..0" : "{}");
} else if (sl.isv()->size() == 1) {
_os << sl.isv()->min(0) << ".." << sl.isv()->max(0);
} else {
if (!sl.isv()->min(0).isFinite()) {
_os << sl.isv()->min(0) << ".." << sl.isv()->max(0) << " union ";
}
_os << "{";
bool first = true;
for (IntSetRanges isr(sl.isv()); isr(); ++isr) {
if (isr.min().isFinite() && isr.max().isFinite()) {
for (IntVal i = isr.min(); i <= isr.max(); i++) {
if (!first) {
_os << ",";
}
first = false;
_os << i;
}
}
}
_os << "}";
if (!sl.isv()->max(sl.isv()->size() - 1).isFinite()) {
_os << " union " << sl.isv()->min(sl.isv()->size() - 1) << ".."
<< sl.isv()->max(sl.isv()->size() - 1);
}
}
}
} else if (sl.fsv() != nullptr) {
if (sl.fsv()->size() == 0) {
_os << (_flatZinc ? "1.0..0.0" : "{}");
} else if (sl.fsv()->size() == 1) {
pp_floatval(_os, sl.fsv()->min(0));
_os << "..";
pp_floatval(_os, sl.fsv()->max(0));
} else {
bool allSingleton = true;
for (FloatSetRanges isr(sl.fsv()); isr(); ++isr) {
if (isr.min() != isr.max()) {
allSingleton = false;
break;
}
}
if (allSingleton) {
_os << "{";
bool first = true;
for (FloatSetRanges isr(sl.fsv()); isr(); ++isr) {
if (!first) {
_os << ",";
}
first = false;
pp_floatval(_os, isr.min());
}
_os << "}";
} else {
bool first = true;
for (FloatSetRanges isr(sl.fsv()); isr(); ++isr) {
if (!first) {
_os << " union ";
}
first = false;
pp_floatval(_os, isr.min());
_os << "..";
pp_floatval(_os, isr.max());
}
}
}
} else {
_os << "{";
for (unsigned int i = 0; i < sl.v().size(); i++) {
p(sl.v()[i]);
if (i < sl.v().size() - 1) {
_os << ",";
}
}
_os << "}";
}
} break;
case Expression::E_BOOLLIT:
_os << (e->cast<BoolLit>()->v() ? "true" : "false");
break;
case Expression::E_STRINGLIT:
_os << "\"" << Printer::escapeStringLit(e->cast<StringLit>()->v()) << "\"";
break;
case Expression::E_ID: {
if (e == constants().absent) {
_os << "<>";
} else {
const Id* id = e->cast<Id>();
if (id->decl() != nullptr) {
id = id->decl()->id();
}
if (id->idn() == -1) {
_os << id->v();
} else {
_os << "X_INTRODUCED_" << id->idn() << "_";
}
}
} break;
case Expression::E_TIID:
_os << "$" << e->cast<TIId>()->v();
break;
case Expression::E_ANON:
_os << "_";
break;
case Expression::E_ARRAYLIT: {
const ArrayLit& al = *e->cast<ArrayLit>();
unsigned int n = al.dims();
if (n == 1 && al.min(0) == 1) {
_os << "[";
for (unsigned int i = 0; i < al.size(); i++) {
p(al[i]);
if (i < al.size() - 1) {
_os << ",";
}
}
_os << "]";
} else if (n == 2 && al.min(0) == 1 && al.min(1) == 1 && al.max(1) != 0) {
_os << "[|";
for (int i = 0; i < al.max(0); i++) {
for (int j = 0; j < al.max(1); j++) {
p(al[i * al.max(1) + j]);
if (j < al.max(1) - 1) {
_os << ",";
}
}
if (i < al.max(0) - 1) {
_os << "|";
}
}
_os << "|]";
} else {
_os << "array" << n << "d(";
for (int i = 0; i < al.dims(); i++) {
_os << al.min(i) << ".." << al.max(i);
_os << ",";
}
_os << "[";
for (unsigned int i = 0; i < al.size(); i++) {
p(al[i]);
if (i < al.size() - 1) {
_os << ",";
}
}
_os << "])";
}
} break;
case Expression::E_ARRAYACCESS: {
const ArrayAccess& aa = *e->cast<ArrayAccess>();
p(aa.v());
_os << "[";
for (unsigned int i = 0; i < aa.idx().size(); i++) {
p(aa.idx()[i]);
if (i < aa.idx().size() - 1) {
_os << ",";
}
}
_os << "]";
} break;
case Expression::E_COMP: {
const Comprehension& c = *e->cast<Comprehension>();
_os << (c.set() ? "{" : "[");
p(c.e());
_os << " | ";
for (int i = 0; i < c.numberOfGenerators(); i++) {
for (int j = 0; j < c.numberOfDecls(i); j++) {
auto* ident = c.decl(i, j)->id();
if (ident->idn() == -1) {
_os << ident->v();
} else {
_os << "X_INTRODUCED_" << ident->idn() << "_";
}
if (j < c.numberOfDecls(i) - 1) {
_os << ",";
}
}
if (c.in(i) == nullptr) {
_os << " = ";
p(c.where(i));
} else {
_os << " in ";
p(c.in(i));
if (c.where(i) != nullptr) {
_os << " where ";
p(c.where(i));
}
}
if (i < c.numberOfGenerators()) {
_os << ", ";
}
}
_os << (c.set() ? "}" : "]");
} break;
case Expression::E_ITE: {
const ITE& ite = *e->cast<ITE>();
for (int i = 0; i < ite.size(); i++) {
_os << (i == 0 ? "if " : " elseif ");
p(ite.ifExpr(i));
_os << " then ";
p(ite.thenExpr(i));
}
if (ite.elseExpr() != nullptr) {
_os << " else ";
p(ite.elseExpr());
}
_os << " endif";
} break;
case Expression::E_BINOP: {
const BinOp& bo = *e->cast<BinOp>();
Parentheses ps = need_parentheses(&bo, bo.lhs(), bo.rhs());
if ((ps & PN_LEFT) != 0) {
_os << "(";
}
p(bo.lhs());
if ((ps & PN_LEFT) != 0) {
_os << ")";
}
switch (bo.op()) {
case BOT_PLUS:
_os << "+";
break;
case BOT_MINUS:
_os << "-";
break;
case BOT_MULT:
_os << "*";
break;
case BOT_POW:
_os << "^";
break;
case BOT_DIV:
_os << "/";
break;
case BOT_IDIV:
_os << " div ";
break;
case BOT_MOD:
_os << " mod ";
break;
case BOT_LE:
_os << " < ";
break;
case BOT_LQ:
_os << "<=";
break;
case BOT_GR:
_os << " > ";
break;
case BOT_GQ:
_os << ">=";
break;
case BOT_EQ:
_os << "==";
break;
case BOT_NQ:
_os << "!=";
break;
case BOT_IN:
_os << " in ";
break;
case BOT_SUBSET:
_os << " subset ";
break;
case BOT_SUPERSET:
_os << " superset ";
break;
case BOT_UNION:
_os << " union ";
break;
case BOT_DIFF:
_os << " diff ";
break;
case BOT_SYMDIFF:
_os << " symdiff ";
break;
case BOT_INTERSECT:
_os << " intersect ";
break;
case BOT_PLUSPLUS:
_os << "++";
break;
case BOT_EQUIV:
_os << " <-> ";
break;
case BOT_IMPL:
_os << " -> ";
break;
case BOT_RIMPL:
_os << " <- ";
break;
case BOT_OR:
_os << " \\/ ";
break;
case BOT_AND:
_os << " /\\ ";
break;
case BOT_XOR:
_os << " xor ";
break;
case BOT_DOTDOT:
_os << "..";
break;
default:
assert(false);
break;
}
if ((ps & PN_RIGHT) != 0) {
_os << "(";
}
p(bo.rhs());
if ((ps & PN_RIGHT) != 0) {
_os << ")";
}
} break;
case Expression::E_UNOP: {
const UnOp& uo = *e->cast<UnOp>();
switch (uo.op()) {
case UOT_NOT:
_os << "not ";
break;
case UOT_PLUS:
_os << "+";
break;
case UOT_MINUS:
_os << "-";
break;
default:
assert(false);
break;
}
bool needParen = (uo.e()->isa<BinOp>() || uo.e()->isa<UnOp>() || !uo.ann().isEmpty());
if (needParen) {
_os << "(";
}
p(uo.e());
if (needParen) {
_os << ")";
}
} break;
case Expression::E_CALL: {
const Call& c = *e->cast<Call>();
_os << c.id() << "(";
for (unsigned int i = 0; i < c.argCount(); i++) {
p(c.arg(i));
if (i < c.argCount() - 1) {
_os << ",";
}
}
_os << ")";
} break;
case Expression::E_VARDECL: {
const VarDecl& vd = *e->cast<VarDecl>();
p(vd.ti());
if (!vd.ti()->isEnum() && (vd.id()->idn() != -1 || vd.id()->v().size() > 0)) {
_os << ":";
}
if (vd.id()->idn() != -1) {
_os << " X_INTRODUCED_" << vd.id()->idn() << "_";
} else if (vd.id()->v().size() != 0) {
_os << " " << vd.id()->v();
}
if (vd.introduced()) {
_os << " ::var_is_introduced ";
}
p(vd.ann());
if (vd.e() != nullptr) {
_os << " = ";
p(vd.e());
}
} break;
case Expression::E_LET: {
const Let& l = *e->cast<Let>();
_os << "let {";
for (unsigned int i = 0; i < l.let().size(); i++) {
const Expression* li = l.let()[i];
if (!li->isa<VarDecl>()) {
_os << "constraint ";
}
p(li);
if (i < l.let().size() - 1) {
_os << ", ";
}
}
_os << "} in (";
p(l.in());
_os << ")";
} break;
case Expression::E_TI: {
const TypeInst& ti = *e->cast<TypeInst>();
if (ti.isEnum()) {
_os << "enum";
} else if (_env != nullptr) {
_os << ti.type().toString(*_env);
} else {
if (ti.isarray()) {
_os << "array [";
for (unsigned int i = 0; i < ti.ranges().size(); i++) {
p(Type::parint(), ti.ranges()[i]);
if (i < ti.ranges().size() - 1) {
_os << ",";
}
}
_os << "] of ";
}
p(ti.type(), ti.domain());
}
}
}
if (!e->isa<VarDecl>()) {
p(e->ann());
}
}
void p(const Item* i) {
if (i == nullptr) {
return;
}
if (i->removed()) {
_os << "% ";
}
switch (i->iid()) {
case Item::II_INC:
_os << "include \"" << i->cast<IncludeI>()->f() << "\"";
break;
case Item::II_VD:
p(i->cast<VarDeclI>()->e());
break;
case Item::II_ASN:
_os << i->cast<AssignI>()->id() << " = ";
p(i->cast<AssignI>()->e());
break;
case Item::II_CON:
_os << "constraint ";
p(i->cast<ConstraintI>()->e());
break;
case Item::II_SOL: {
const auto* si = i->cast<SolveI>();
_os << "solve ";
p(si->ann());
switch (si->st()) {
case SolveI::ST_SAT:
_os << " satisfy";
break;
case SolveI::ST_MIN:
_os << " minimize ";
p(si->e());
break;
case SolveI::ST_MAX:
_os << " maximize ";
p(si->e());
break;
}
} break;
case Item::II_OUT:
_os << "output ";
p(i->cast<OutputI>()->e());
break;
case Item::II_FUN: {
const FunctionI& fi = *i->cast<FunctionI>();
if (fi.ti()->type().isAnn() && fi.e() == nullptr) {
_os << "annotation ";
} else if (fi.ti()->type() == Type::parbool()) {
_os << "test ";
} else if (fi.ti()->type() == Type::varbool()) {
_os << "predicate ";
} else {
_os << "function ";
p(fi.ti());
_os << " : ";
}
_os << fi.id();
if (fi.params().size() > 0) {
_os << "(";
for (unsigned int j = 0; j < fi.params().size(); j++) {
p(fi.params()[j]);
if (j < fi.params().size() - 1) {
_os << ",";
}
}
_os << ")";
}
p(fi.ann());
if (fi.e() != nullptr) {
_os << " = ";
p(fi.e());
}
} break;
}
_os << ";" << std::endl;
}
};
template <class T>
class ExpressionMapper {
protected:
T& _t;
public:
ExpressionMapper(T& t) : _t(t) {}
typename T::ret map(const Expression* e) {
switch (e->eid()) {
case Expression::E_INTLIT:
return _t.mapIntLit(*e->cast<IntLit>());
case Expression::E_FLOATLIT:
return _t.mapFloatLit(*e->cast<FloatLit>());
case Expression::E_SETLIT:
return _t.mapSetLit(*e->cast<SetLit>());
case Expression::E_BOOLLIT:
return _t.mapBoolLit(*e->cast<BoolLit>());
case Expression::E_STRINGLIT:
return _t.mapStringLit(*e->cast<StringLit>());
case Expression::E_ID:
return _t.mapId(*e->cast<Id>());
case Expression::E_ANON:
return _t.mapAnonVar(*e->cast<AnonVar>());
case Expression::E_ARRAYLIT:
return _t.mapArrayLit(*e->cast<ArrayLit>());
case Expression::E_ARRAYACCESS:
return _t.mapArrayAccess(*e->cast<ArrayAccess>());
case Expression::E_COMP:
return _t.mapComprehension(*e->cast<Comprehension>());
case Expression::E_ITE:
return _t.mapITE(*e->cast<ITE>());
case Expression::E_BINOP:
return _t.mapBinOp(*e->cast<BinOp>());
case Expression::E_UNOP:
return _t.mapUnOp(*e->cast<UnOp>());
case Expression::E_CALL:
return _t.mapCall(*e->cast<Call>());
case Expression::E_VARDECL:
return _t.mapVarDecl(*e->cast<VarDecl>());
case Expression::E_LET:
return _t.mapLet(*e->cast<Let>());
case Expression::E_TI:
return _t.mapTypeInst(*e->cast<TypeInst>());
case Expression::E_TIID:
return _t.mapTIId(*e->cast<TIId>());
default:
assert(false);
return typename T::ret();
break;
}
}
};
class Document {
private:
int _level;
public:
Document() : _level(0) {}
virtual ~Document() {}
int getLevel() const { return _level; }
// Make this object a child of "d".
virtual void setParent(Document* d) { _level = d->_level + 1; }
};
class BreakPoint : public Document {
private:
bool _dontSimplify;
public:
BreakPoint() { _dontSimplify = false; }
BreakPoint(bool ds) { _dontSimplify = ds; }
~BreakPoint() override {}
void setDontSimplify(bool b) { _dontSimplify = b; }
bool getDontSimplify() const { return _dontSimplify; }
};
class StringDocument : public Document {
private:
std::string _stringDocument;
public:
StringDocument() {}
~StringDocument() override {}
StringDocument(std::string s) : _stringDocument(std::move(s)) {}
std::string getString() { return _stringDocument; }
void setString(std::string s) { _stringDocument = std::move(s); }
};
class DocumentList : public Document {
private:
std::vector<Document*> _docs;
std::string _beginToken;
std::string _separator;
std::string _endToken;
bool _unbreakable;
bool _alignment;
public:
~DocumentList() override {
std::vector<Document*>::iterator it;
for (it = _docs.begin(); it != _docs.end(); it++) {
delete *it;
}
}
DocumentList(std::string beginToken = "", std::string separator = "", std::string endToken = "",
bool alignment = true);
void addDocumentToList(Document* d) {
_docs.push_back(d);
d->setParent(this);
}
void setParent(Document* d) override {
Document::setParent(d);
std::vector<Document*>::iterator it;
for (it = _docs.begin(); it != _docs.end(); it++) {
(*it)->setParent(this);
}
}
void addStringToList(std::string s) { addDocumentToList(new StringDocument(std::move(s))); }
void addBreakPoint(bool b = false) { addDocumentToList(new BreakPoint(b)); }
std::vector<Document*> getDocs() { return _docs; }
void setList(std::vector<Document*> ld) { _docs = std::move(ld); }
std::string getBeginToken() { return _beginToken; }
std::string getEndToken() { return _endToken; }
std::string getSeparator() { return _separator; }
bool getUnbreakable() const { return _unbreakable; }
void setUnbreakable(bool b) { _unbreakable = b; }
bool getAlignment() const { return _alignment; }
};
DocumentList::DocumentList(std::string beginToken, std::string separator, std::string endToken,
bool alignment) {
_beginToken = std::move(beginToken);
_separator = std::move(separator);
_endToken = std::move(endToken);
_alignment = alignment;
_unbreakable = false;
}
class Line {
private:
int _indentation;
int _lineLength;
std::vector<std::string> _text;
public:
Line() : _indentation(0), _lineLength(0), _text(0) {}
Line(const Line&) = default;
Line(const int indent) : _indentation(indent), _lineLength(0), _text(0) {}
Line& operator=(const Line&) = default;
bool operator==(const Line& l) { return &l == this; }
void setIndentation(int i) { _indentation = i; }
int getLength() const { return _lineLength; }
int getIndentation() const { return _indentation; }
int getSpaceLeft(int maxwidth) const;
void addString(const std::string& s);
void concatenateLines(Line& l);
void print(std::ostream& os) const {
for (int i = 0; i < getIndentation(); i++) {
os << " ";
}
std::vector<std::string>::const_iterator it;
for (it = _text.begin(); it != _text.end(); it++) {
os << (*it);
}
os << "\n";
}
};
int Line::getSpaceLeft(int maxwidth) const { return maxwidth - _lineLength - _indentation; }
void Line::addString(const std::string& s) {
_lineLength += static_cast<int>(s.size());
_text.push_back(s);
}
void Line::concatenateLines(Line& l) {
_text.insert(_text.end(), l._text.begin(), l._text.end());
_lineLength += l._lineLength;
}
class LinesToSimplify {
private:
std::map<int, std::vector<int> > _lines;
// (i,j) in parent <=> j can only be simplified if i is simplified
std::vector<std::pair<int, int> > _parent;
/*
* if i can't simplify, remove j and his parents
*/
// mostRecentlyAdded[level] = line of the most recently added
std::map<int, int> _mostRecentlyAdded;
public:
std::vector<int>* getLinesForPriority(int p) {
std::map<int, std::vector<int> >::iterator it;
for (it = _lines.begin(); it != _lines.end(); it++) {
if (it->first == p) {
return &(it->second);
}
}
return nullptr;
}
void addLine(int p, int l, int par = -1) {
if (par == -1) {
for (int i = p - 1; i >= 0; i--) {
auto it = _mostRecentlyAdded.find(i);
if (it != _mostRecentlyAdded.end()) {
par = it->second;
break;
}
}
}
if (par != -1) {
_parent.emplace_back(l, par);
}
_mostRecentlyAdded.insert(std::pair<int, int>(p, l));
std::map<int, std::vector<int> >::iterator it;
for (it = _lines.begin(); it != _lines.end(); it++) {
if (it->first == p) {
it->second.push_back(l);
return;
}
}
std::vector<int> v;
v.push_back(l);
_lines.insert(std::pair<int, std::vector<int> >(p, v));
}
void decrementLine(std::vector<int>* vec, int l) {
std::vector<int>::iterator vit;
if (vec != nullptr) {
for (vit = vec->begin(); vit != vec->end(); vit++) {
if (*vit >= l) {
*vit = *vit - 1;
}
}
}
// Now the map
std::map<int, std::vector<int> >::iterator it;
for (it = _lines.begin(); it != _lines.end(); it++) {
for (vit = it->second.begin(); vit != it->second.end(); vit++) {
if (*vit >= l) {
*vit = *vit - 1;
}
}
}
// And the parent table
std::vector<std::pair<int, int> >::iterator vpit;
for (vpit = _parent.begin(); vpit != _parent.end(); vpit++) {
if (vpit->first >= l) {
vpit->first--;
}
if (vpit->second >= l) {
vpit->second--;
}
}
}
void remove(LinesToSimplify& lts) {
std::map<int, std::vector<int> >::iterator it;
for (it = lts._lines.begin(); it != lts._lines.end(); it++) {
std::vector<int>::iterator vit;
for (vit = it->second.begin(); vit != it->second.end(); vit++) {
remove(nullptr, *vit, false);
}
}
}
void remove(std::vector<int>* v, int i, bool success = true) {
if (v != nullptr) {
v->erase(std::remove(v->begin(), v->end(), i), v->end());
}
for (auto& line : _lines) {
std::vector<int>& l = line.second;
l.erase(std::remove(l.begin(), l.end(), i), l.end());
}
// Call on its parent
if (!success) {
std::vector<std::pair<int, int> >::iterator vpit;
for (vpit = _parent.begin(); vpit != _parent.end(); vpit++) {
if (vpit->first == i && vpit->second != i && vpit->second != -1) {
remove(v, vpit->second, false);
}
}
}
}
std::vector<int>* getLinesToSimplify() {
auto* vec = new std::vector<int>();
std::map<int, std::vector<int> >::iterator it;
for (it = _lines.begin(); it != _lines.end(); it++) {
std::vector<int>& svec = it->second;
vec->insert(vec->begin(), svec.begin(), svec.end());
}
return vec;
}
};
Document* expression_to_document(const Expression* e);
Document* annotation_to_document(const Annotation& ann);
Document* tiexpression_to_document(const Type& type, const Expression* e) {
auto* dl = new DocumentList("", "", "", false);
switch (type.ti()) {
case Type::TI_PAR:
break;
case Type::TI_VAR:
dl->addStringToList("var ");
break;
}
if (type.ot() == Type::OT_OPTIONAL) {
dl->addStringToList("opt ");
}
if (type.st() == Type::ST_SET) {
dl->addStringToList("set of ");
}
if (e == nullptr) {
switch (type.bt()) {
case Type::BT_INT:
dl->addStringToList("int");
break;
case Type::BT_BOOL:
dl->addStringToList("bool");
break;
case Type::BT_FLOAT:
dl->addStringToList("float");
break;
case Type::BT_STRING:
dl->addStringToList("string");
break;
case Type::BT_ANN:
dl->addStringToList("ann");
break;
case Type::BT_BOT:
dl->addStringToList("bot");
break;
case Type::BT_TOP:
dl->addStringToList("top");
break;
case Type::BT_UNKNOWN:
dl->addStringToList("???");
break;
}
} else {
dl->addDocumentToList(expression_to_document(e));
}
return dl;
}
class ExpressionDocumentMapper {
public:
typedef Document* ret;
static ret mapIntLit(const IntLit& il) {
std::ostringstream oss;
oss << il.v();
return new StringDocument(oss.str());
}
static ret mapFloatLit(const FloatLit& fl) {
std::ostringstream oss;
pp_floatval(oss, fl.v());
return new StringDocument(oss.str());
}
static ret mapSetLit(const SetLit& sl) {
DocumentList* dl;
if (sl.isv() != nullptr) {
if (sl.type().bt() == Type::BT_BOOL) {
if (sl.isv()->size() == 0) {
dl = new DocumentList("true..false", "", "");
} else {
if (sl.isv()->min() == 0) {
if (sl.isv()->max() == 0) {
dl = new DocumentList("{false}", "", "");
} else {
dl = new DocumentList("{false,true}", "", "");
}
} else {
dl = new DocumentList("{true}", "", "");
}
}
} else {
if (sl.isv()->size() == 0) {
dl = new DocumentList("1..0", "", "");
} else if (sl.isv()->size() == 1) {
dl = new DocumentList("", "..", "");
{
std::ostringstream oss;
oss << sl.isv()->min(0);
dl->addDocumentToList(new StringDocument(oss.str()));
}
{
std::ostringstream oss;
oss << sl.isv()->max(0);
dl->addDocumentToList(new StringDocument(oss.str()));
}
} else {
dl = new DocumentList("{", ", ", "}", true);
IntSetRanges isr(sl.isv());
for (Ranges::ToValues<IntSetRanges> isv(isr); isv(); ++isv) {
std::ostringstream oss;
oss << isv.val();
dl->addDocumentToList(new StringDocument(oss.str()));
}
}
}
} else if (sl.fsv() != nullptr) {
if (sl.fsv()->size() == 0) {
dl = new DocumentList("1.0..0.0", "", "");
} else if (sl.fsv()->size() == 1) {
dl = new DocumentList("", "..", "");
{
std::ostringstream oss;
pp_floatval(oss, sl.fsv()->min(0));
dl->addDocumentToList(new StringDocument(oss.str()));
}
{
std::ostringstream oss;
pp_floatval(oss, sl.fsv()->max(0));
dl->addDocumentToList(new StringDocument(oss.str()));
}
} else {
dl = new DocumentList("", " union ", "", true);
FloatSetRanges fsr(sl.fsv());
for (; fsr(); ++fsr) {
std::ostringstream oss;
pp_floatval(oss, fsr.min());
oss << "..";
pp_floatval(oss, fsr.max());
dl->addDocumentToList(new StringDocument(oss.str()));
}
}
} else {
dl = new DocumentList("{", ", ", "}", true);
for (unsigned int i = 0; i < sl.v().size(); i++) {
dl->addDocumentToList(expression_to_document((sl.v()[i])));
}
}
return dl;
}
static ret mapBoolLit(const BoolLit& bl) {
return new StringDocument(std::string(bl.v() ? "true" : "false"));
}
static ret mapStringLit(const StringLit& sl) {
std::ostringstream oss;
oss << "\"" << Printer::escapeStringLit(sl.v()) << "\"";
return new StringDocument(oss.str());
}
static ret mapId(const Id& id) {
if (&id == constants().absent) {
return new StringDocument("<>");
}
if (id.idn() == -1) {
return new StringDocument(std::string(id.v().c_str(), id.v().size()));
}
std::ostringstream oss;
oss << "X_INTRODUCED_" << id.idn() << "_";
return new StringDocument(oss.str());
}
static ret mapTIId(const TIId& id) {
std::ostringstream ss;
ss << "$" << id.v();
return new StringDocument(ss.str());
}
static ret mapAnonVar(const AnonVar& /*v*/) { return new StringDocument("_"); }
static ret mapArrayLit(const ArrayLit& al) {
/// TODO: test multi-dimensional arrays handling
DocumentList* dl;
unsigned int n = al.dims();
if (n == 1 && al.min(0) == 1) {
dl = new DocumentList("[", ", ", "]");
for (unsigned int i = 0; i < al.size(); i++) {
dl->addDocumentToList(expression_to_document(al[i]));
}
} else if (n == 2 && al.min(0) == 1 && al.min(1) == 1) {
dl = new DocumentList("[| ", " | ", " |]");
for (int i = 0; i < al.max(0); i++) {
auto* row = new DocumentList("", ", ", "");
for (int j = 0; j < al.max(1); j++) {
row->addDocumentToList(expression_to_document(al[i * al.max(1) + j]));
}
dl->addDocumentToList(row);
if (i != al.max(0) - 1) {
dl->addBreakPoint(true); // dont simplify
}
}
} else {
dl = new DocumentList("", "", "");
std::stringstream oss;
oss << "array" << n << "d";
dl->addStringToList(oss.str());
auto* args = new DocumentList("(", ", ", ")");
for (int i = 0; i < al.dims(); i++) {
oss.str("");
oss << al.min(i) << ".." << al.max(i);
args->addStringToList(oss.str());
}
auto* array = new DocumentList("[", ", ", "]");
for (unsigned int i = 0; i < al.size(); i++) {
array->addDocumentToList(expression_to_document(al[i]));
}
args->addDocumentToList(array);
dl->addDocumentToList(args);
}
return dl;
}
static ret mapArrayAccess(const ArrayAccess& aa) {
auto* dl = new DocumentList("", "", "");
dl->addDocumentToList(expression_to_document(aa.v()));
auto* args = new DocumentList("[", ", ", "]");
for (unsigned int i = 0; i < aa.idx().size(); i++) {
args->addDocumentToList(expression_to_document(aa.idx()[i]));
}
dl->addDocumentToList(args);
return dl;
}
static ret mapComprehension(const Comprehension& c) {
std::ostringstream oss;
DocumentList* dl;
if (c.set()) {
dl = new DocumentList("{ ", " | ", " }");
} else {
dl = new DocumentList("[ ", " | ", " ]");
}
dl->addDocumentToList(expression_to_document(c.e()));
auto* head = new DocumentList("", " ", "");
auto* generators = new DocumentList("", ", ", "");
for (int i = 0; i < c.numberOfGenerators(); i++) {
auto* gen = new DocumentList("", "", "");
auto* idents = new DocumentList("", ", ", "");
for (int j = 0; j < c.numberOfDecls(i); j++) {
std::ostringstream ss;
Id* ident = c.decl(i, j)->id();
if (ident->idn() == -1) {
ss << ident->v();
} else {
ss << "X_INTRODUCED_" << ident->idn() << "_";
}
idents->addStringToList(ss.str());
}
gen->addDocumentToList(idents);
if (c.in(i) == nullptr) {
gen->addStringToList(" = ");
gen->addDocumentToList(expression_to_document(c.where(i)));
} else {
gen->addStringToList(" in ");
gen->addDocumentToList(expression_to_document(c.in(i)));
if (c.where(i) != nullptr) {
gen->addStringToList(" where ");
gen->addDocumentToList(expression_to_document(c.where(i)));
}
}
generators->addDocumentToList(gen);
}
head->addDocumentToList(generators);
dl->addDocumentToList(head);
return dl;
}
static ret mapITE(const ITE& ite) {
auto* dl = new DocumentList("", "", "");
for (int i = 0; i < ite.size(); i++) {
std::string beg = (i == 0 ? "if " : " elseif ");
dl->addStringToList(beg);
dl->addDocumentToList(expression_to_document(ite.ifExpr(i)));
dl->addStringToList(" then ");
auto* ifdoc = new DocumentList("", "", "", false);
ifdoc->addBreakPoint();
ifdoc->addDocumentToList(expression_to_document(ite.thenExpr(i)));
dl->addDocumentToList(ifdoc);
dl->addStringToList(" ");
}
dl->addBreakPoint();
dl->addStringToList("else ");
auto* elsedoc = new DocumentList("", "", "", false);
elsedoc->addBreakPoint();
elsedoc->addDocumentToList(expression_to_document(ite.elseExpr()));
dl->addDocumentToList(elsedoc);
dl->addStringToList(" ");
dl->addBreakPoint();
dl->addStringToList("endif");
return dl;
}
static ret mapBinOp(const BinOp& bo) {
Parentheses ps = need_parentheses(&bo, bo.lhs(), bo.rhs());
DocumentList* opLeft;
DocumentList* dl;
DocumentList* opRight;
bool linebreak = false;
if ((ps & PN_LEFT) != 0) {
opLeft = new DocumentList("(", " ", ")");
} else {
opLeft = new DocumentList("", " ", "");
}
opLeft->addDocumentToList(expression_to_document(bo.lhs()));
std::string op;
switch (bo.op()) {
case BOT_PLUS:
op = "+";
break;
case BOT_MINUS:
op = "-";
break;
case BOT_MULT:
op = "*";
break;
case BOT_POW:
op = "^";
break;
case BOT_DIV:
op = "/";
break;
case BOT_IDIV:
op = " div ";
break;
case BOT_MOD:
op = " mod ";
break;
case BOT_LE:
op = " < ";
break;
case BOT_LQ:
op = "<=";
break;
case BOT_GR:
op = " > ";
break;
case BOT_GQ:
op = ">=";
break;
case BOT_EQ:
op = "==";
break;
case BOT_NQ:
op = "!=";
break;
case BOT_IN:
op = " in ";
break;
case BOT_SUBSET:
op = " subset ";
break;
case BOT_SUPERSET:
op = " superset ";
break;
case BOT_UNION:
op = " union ";
break;
case BOT_DIFF:
op = " diff ";
break;
case BOT_SYMDIFF:
op = " symdiff ";
break;
case BOT_INTERSECT:
op = " intersect ";
break;
case BOT_PLUSPLUS:
op = "++";
linebreak = true;
break;
case BOT_EQUIV:
op = " <-> ";
break;
case BOT_IMPL:
op = " -> ";
break;
case BOT_RIMPL:
op = " <- ";
break;
case BOT_OR:
op = " \\/ ";
linebreak = true;
break;
case BOT_AND:
op = " /\\ ";
linebreak = true;
break;
case BOT_XOR:
op = " xor ";
break;
case BOT_DOTDOT:
op = "..";
break;
default:
assert(false);
break;
}
dl = new DocumentList("", op, "");
if ((ps & PN_RIGHT) != 0) {
opRight = new DocumentList("(", " ", ")");
} else {
opRight = new DocumentList("", "", "");
}
opRight->addDocumentToList(expression_to_document(bo.rhs()));
dl->addDocumentToList(opLeft);
if (linebreak) {
dl->addBreakPoint();
}
dl->addDocumentToList(opRight);
return dl;
}
static ret mapUnOp(const UnOp& uo) {
auto* dl = new DocumentList("", "", "");
std::string op;
switch (uo.op()) {
case UOT_NOT:
op = "not ";
break;
case UOT_PLUS:
op = "+";
break;
case UOT_MINUS:
op = "-";
break;
default:
assert(false);
break;
}
dl->addStringToList(op);
DocumentList* unop;
bool needParen = (uo.e()->isa<BinOp>() || uo.e()->isa<UnOp>());
if (needParen) {
unop = new DocumentList("(", " ", ")");
} else {
unop = new DocumentList("", " ", "");
}
unop->addDocumentToList(expression_to_document(uo.e()));
dl->addDocumentToList(unop);
return dl;
}
static ret mapCall(const Call& c) {
if (c.argCount() == 1) {
/*
* if we have only one argument, and this is an array comprehension,
* we convert it into the following syntax
* forall (f(i,j) | i in 1..10)
* -->
* forall (i in 1..10) (f(i,j))
*/
const Expression* e = c.arg(0);
if (e->isa<Comprehension>()) {
const auto* com = e->cast<Comprehension>();
if (!com->set()) {
auto* dl = new DocumentList("", " ", "");
dl->addStringToList(std::string(c.id().c_str(), c.id().size()));
auto* args = new DocumentList("", " ", "", false);
auto* generators = new DocumentList("", ", ", "");
for (int i = 0; i < com->numberOfGenerators(); i++) {
auto* gen = new DocumentList("", "", "");
auto* idents = new DocumentList("", ", ", "");
for (int j = 0; j < com->numberOfDecls(i); j++) {
idents->addStringToList(std::string(com->decl(i, j)->id()->v().c_str(),
com->decl(i, j)->id()->v().size()));
}
gen->addDocumentToList(idents);
if (com->in(i) == nullptr) {
gen->addStringToList(" = ");
gen->addDocumentToList(expression_to_document(com->where(i)));
} else {
gen->addStringToList(" in ");
gen->addDocumentToList(expression_to_document(com->in(i)));
if (com->where(i) != nullptr) {
gen->addStringToList(" where ");
gen->addDocumentToList(expression_to_document(com->where(i)));
}
}
generators->addDocumentToList(gen);
}
args->addStringToList("(");
args->addDocumentToList(generators);
args->addStringToList(")");
args->addStringToList("(");
args->addBreakPoint();
args->addDocumentToList(expression_to_document(com->e()));
dl->addDocumentToList(args);
dl->addBreakPoint();
dl->addStringToList(")");
return dl;
}
}
}
std::ostringstream beg;
beg << c.id() << "(";
auto* dl = new DocumentList(beg.str(), ", ", ")");
for (unsigned int i = 0; i < c.argCount(); i++) {
dl->addDocumentToList(expression_to_document(c.arg(i)));
}
return dl;
}
static ret mapVarDecl(const VarDecl& vd) {
std::ostringstream oss;
auto* dl = new DocumentList("", "", "");
dl->addDocumentToList(expression_to_document(vd.ti()));
if (vd.id()->idn() == -1) {
if (vd.id()->v().size() != 0) {
oss << ": " << vd.id()->v().c_str();
}
} else {
oss << ": X_INTRODUCED_" << vd.id()->idn() << "_";
}
dl->addStringToList(oss.str());
if (vd.introduced()) {
dl->addStringToList(" ::var_is_introduced ");
}
if (!vd.ann().isEmpty()) {
dl->addDocumentToList(annotation_to_document(vd.ann()));
}
if (vd.e() != nullptr) {
dl->addStringToList(" = ");
dl->addDocumentToList(expression_to_document(vd.e()));
}
return dl;
}
static ret mapLet(const Let& l) {
auto* letin = new DocumentList("", "", "", false);
auto* lets = new DocumentList("", " ", "", true);
auto* inexpr = new DocumentList("", "", "");
bool ds = l.let().size() > 1;
for (unsigned int i = 0; i < l.let().size(); i++) {
if (i != 0) {
lets->addBreakPoint(ds);
}
auto* exp = new DocumentList("", " ", ",");
const Expression* li = l.let()[i];
if (!li->isa<VarDecl>()) {
exp->addStringToList("constraint");
}
exp->addDocumentToList(expression_to_document(li));
lets->addDocumentToList(exp);
}
inexpr->addDocumentToList(expression_to_document(l.in()));
letin->addBreakPoint(ds);
letin->addDocumentToList(lets);
auto* letin2 = new DocumentList("", "", "", false);
letin2->addBreakPoint();
letin2->addDocumentToList(inexpr);
auto* dl = new DocumentList("", "", "");
dl->addStringToList("let {");
dl->addDocumentToList(letin);
dl->addBreakPoint(ds);
dl->addStringToList("} in (");
dl->addDocumentToList(letin2);
// dl->addBreakPoint();
dl->addStringToList(")");
return dl;
}
static ret mapTypeInst(const TypeInst& ti) {
auto* dl = new DocumentList("", "", "");
if (ti.isarray()) {
dl->addStringToList("array [");
auto* ran = new DocumentList("", ", ", "");
for (unsigned int i = 0; i < ti.ranges().size(); i++) {
ran->addDocumentToList(tiexpression_to_document(Type::parint(), ti.ranges()[i]));
}
dl->addDocumentToList(ran);
dl->addStringToList("] of ");
}
dl->addDocumentToList(tiexpression_to_document(ti.type(), ti.domain()));
return dl;
}
};
Document* annotation_to_document(const Annotation& ann) {
auto* dl = new DocumentList(" :: ", " :: ", "");
for (ExpressionSetIter it = ann.begin(); it != ann.end(); ++it) {
dl->addDocumentToList(expression_to_document(*it));
}
return dl;
}
Document* expression_to_document(const Expression* e) {
if (e == nullptr) {
return new StringDocument("NULL");
}
ExpressionDocumentMapper esm;
ExpressionMapper<ExpressionDocumentMapper> em(esm);
auto* dl = new DocumentList("", "", "");
Document* s = em.map(e);
dl->addDocumentToList(s);
if (!e->isa<VarDecl>() && !e->ann().isEmpty()) {
dl->addDocumentToList(annotation_to_document(e->ann()));
}
return dl;
}
class ItemDocumentMapper {
public:
typedef Document* ret;
static ret mapIncludeI(const IncludeI& ii) {
std::ostringstream oss;
oss << "include \"" << ii.f() << "\";";
return new StringDocument(oss.str());
}
static ret mapVarDeclI(const VarDeclI& vi) {
auto* dl = new DocumentList("", " ", ";");
dl->addDocumentToList(expression_to_document(vi.e()));
return dl;
}
static ret mapAssignI(const AssignI& ai) {
auto* dl = new DocumentList("", " = ", ";");
dl->addStringToList(std::string(ai.id().c_str(), ai.id().size()));
dl->addDocumentToList(expression_to_document(ai.e()));
return dl;
}
static ret mapConstraintI(const ConstraintI& ci) {
auto* dl = new DocumentList("constraint ", " ", ";");
dl->addDocumentToList(expression_to_document(ci.e()));
return dl;
}
static ret mapSolveI(const SolveI& si) {
auto* dl = new DocumentList("", "", ";");
dl->addStringToList("solve");
if (!si.ann().isEmpty()) {
dl->addDocumentToList(annotation_to_document(si.ann()));
}
switch (si.st()) {
case SolveI::ST_SAT:
dl->addStringToList(" satisfy");
break;
case SolveI::ST_MIN:
dl->addStringToList(" minimize ");
dl->addDocumentToList(expression_to_document(si.e()));
break;
case SolveI::ST_MAX:
dl->addStringToList(" maximize ");
dl->addDocumentToList(expression_to_document(si.e()));
break;
}
return dl;
}
static ret mapOutputI(const OutputI& oi) {
auto* dl = new DocumentList("output ", " ", ";");
dl->addDocumentToList(expression_to_document(oi.e()));
return dl;
}
static ret mapFunctionI(const FunctionI& fi) {
DocumentList* dl;
if (fi.ti()->type().isAnn() && fi.e() == nullptr) {
dl = new DocumentList("annotation ", " ", ";", false);
} else if (fi.ti()->type() == Type::parbool()) {
dl = new DocumentList("test ", "", ";", false);
} else if (fi.ti()->type() == Type::varbool()) {
dl = new DocumentList("predicate ", "", ";", false);
} else {
dl = new DocumentList("function ", "", ";", false);
dl->addDocumentToList(expression_to_document(fi.ti()));
dl->addStringToList(": ");
}
dl->addStringToList(std::string(fi.id().c_str(), fi.id().size()));
if (fi.params().size() > 0) {
auto* params = new DocumentList("(", ", ", ")");
for (unsigned int i = 0; i < fi.params().size(); i++) {
auto* par = new DocumentList("", "", "");
par->setUnbreakable(true);
par->addDocumentToList(expression_to_document(fi.params()[i]));
params->addDocumentToList(par);
}
dl->addDocumentToList(params);
}
if (!fi.ann().isEmpty()) {
dl->addDocumentToList(annotation_to_document(fi.ann()));
}
if (fi.e() != nullptr) {
dl->addStringToList(" = ");
dl->addBreakPoint();
dl->addDocumentToList(expression_to_document(fi.e()));
}
return dl;
}
};
class PrettyPrinter {
public:
/*
* \brief Constructor for class Pretty Printer
* \param maxwidth (default 80) : number of rows
* \param indentationBase : spaces that represent the atomic number of spaces
* \param sim : whether we want to simplify the result
* \param deepSimp : whether we want to simplify at each breakpoint or not
*/
PrettyPrinter(int _maxwidth = 80, int _indentationBase = 4, bool sim = false,
bool deepSimp = false);
void print(Document* d);
void print(std::ostream& os) const;
private:
int _maxwidth;
int _indentationBase;
int _currentLine;
int _currentItem;
std::vector<std::vector<Line> > _items;
std::vector<LinesToSimplify> _linesToSimplify;
std::vector<LinesToSimplify> _linesNotToSimplify;
bool _simp;
bool _deeplySimp;
void addItem();
void addLine(int indentation, bool bp = false, bool simpl = false, int level = 0);
static std::string printSpaces(int n);
const std::vector<Line>& getCurrentItemLines() const;
void printDocument(Document* d, bool alignment, int alignmentCol, const std::string& before = "",
const std::string& after = "");
void printDocList(DocumentList* d, int alignmentCol, const std::string& before = "",
const std::string& after = "");
void printStringDoc(StringDocument* d, bool alignment, int alignmentCol,
const std::string& before = "", const std::string& after = "");
void printString(const std::string& s, bool alignment, int alignmentCol);
bool simplify(int item, int line, std::vector<int>* vec);
void simplifyItem(int item);
};
void PrettyPrinter::print(Document* d) {
addItem();
addLine(0);
printDocument(d, true, 0);
if (_simp) {
simplifyItem(_currentItem);
}
}
PrettyPrinter::PrettyPrinter(int maxwidth, int indentationBase, bool sim, bool deepsim) {
_maxwidth = maxwidth;
_indentationBase = indentationBase;
_currentLine = -1;
_currentItem = -1;
_simp = sim;
_deeplySimp = deepsim;
}
const std::vector<Line>& PrettyPrinter::getCurrentItemLines() const { return _items[_currentItem]; }
void PrettyPrinter::addLine(int indentation, bool bp, bool simpl, int level) {
_items[_currentItem].push_back(Line(indentation));
_currentLine++;
if (bp && _deeplySimp) {
_linesToSimplify[_currentItem].addLine(level, _currentLine);
if (!simpl) {
_linesNotToSimplify[_currentItem].addLine(0, _currentLine);
}
}
}
void PrettyPrinter::addItem() {
_items.emplace_back();
_linesToSimplify.emplace_back();
_linesNotToSimplify.emplace_back();
_currentItem++;
_currentLine = -1;
}
void PrettyPrinter::print(std::ostream& os) const {
std::vector<Line>::const_iterator it;
int nItems = static_cast<int>(_items.size());
for (int item = 0; item < nItems; item++) {
for (it = _items[item].begin(); it != _items[item].end(); it++) {
it->print(os);
}
// os << std::endl;
}
}
std::string PrettyPrinter::printSpaces(int n) {
std::string result;
for (int i = 0; i < n; i++) {
result += " ";
}
return result;
}
void PrettyPrinter::printDocument(Document* d, bool alignment, int alignmentCol,
const std::string& before, const std::string& after) {
if (auto* dl = dynamic_cast<DocumentList*>(d)) {
printDocList(dl, alignmentCol, before, after);
} else if (auto* sd = dynamic_cast<StringDocument*>(d)) {
printStringDoc(sd, alignment, alignmentCol, before, after);
} else if (auto* bp = dynamic_cast<BreakPoint*>(d)) {
printString(before, alignment, alignmentCol);
addLine(alignmentCol, _deeplySimp, !bp->getDontSimplify(), d->getLevel());
printString(after, alignment, alignmentCol);
} else {
throw InternalError("PrettyPrinter::print : Wrong type of document");
}
}
void PrettyPrinter::printStringDoc(StringDocument* d, bool alignment, int alignmentCol,
const std::string& before, const std::string& after) {
std::string s;
if (d != nullptr) {
s = d->getString();
}
s = before + s + after;
printString(s, alignment, alignmentCol);
}
void PrettyPrinter::printString(const std::string& s, bool alignment, int alignmentCol) {
Line& l = _items[_currentItem][_currentLine];
int size = static_cast<int>(s.size());
if (size <= l.getSpaceLeft(_maxwidth)) {
l.addString(s);
} else {
int col = alignment && _maxwidth - alignmentCol >= size ? alignmentCol : _indentationBase;
addLine(col);
_items[_currentItem][_currentLine].addString(s);
}
}
void PrettyPrinter::printDocList(DocumentList* d, int alignmentCol, const std::string& super_before,
const std::string& super_after) {
std::vector<Document*> ld = d->getDocs();
std::string beginToken = d->getBeginToken();
std::string separator = d->getSeparator();
std::string endToken = d->getEndToken();
bool _alignment = d->getAlignment();
if (d->getUnbreakable()) {
addLine(alignmentCol);
}
int currentCol = _items[_currentItem][_currentLine].getIndentation() +
_items[_currentItem][_currentLine].getLength();
int newAlignmentCol =
_alignment ? currentCol + static_cast<int>(beginToken.size()) : alignmentCol;
int vectorSize = static_cast<int>(ld.size());
int lastVisibleElementIndex;
for (int i = 0; i < vectorSize; i++) {
if (dynamic_cast<BreakPoint*>(ld[i]) == nullptr) {
lastVisibleElementIndex = i;
}
}
if (vectorSize == 0) {
printStringDoc(nullptr, true, newAlignmentCol, super_before + beginToken,
endToken + super_after);
}
for (int i = 0; i < vectorSize; i++) {
Document* subdoc = ld[i];
bool bp = false;
if (dynamic_cast<BreakPoint*>(subdoc) != nullptr) {
if (!_alignment) {
newAlignmentCol += _indentationBase;
}
bp = true;
}
std::string af;
std::string be;
if (i != vectorSize - 1) {
if (bp || lastVisibleElementIndex <= i) {
af = "";
} else {
af = separator;
}
} else {
af = endToken + super_after;
}
if (i == 0) {
be = super_before + beginToken;
} else {
be = "";
}
printDocument(subdoc, _alignment, newAlignmentCol, be, af);
}
if (d->getUnbreakable()) {
simplify(_currentItem, _currentLine, nullptr);
}
}
void PrettyPrinter::simplifyItem(int item) {
_linesToSimplify[item].remove(_linesNotToSimplify[item]);
std::vector<int>* vec = (_linesToSimplify[item].getLinesToSimplify());
while (!vec->empty()) {
if (!simplify(item, (*vec)[0], vec)) {
break;
}
}
delete vec;
}
bool PrettyPrinter::simplify(int item, int line, std::vector<int>* vec) {
if (line == 0) {
_linesToSimplify[item].remove(vec, line, false);
return false;
}
if (_items[item][line].getLength() > _items[item][line - 1].getSpaceLeft(_maxwidth)) {
_linesToSimplify[item].remove(vec, line, false);
return false;
}
_linesToSimplify[item].remove(vec, line, true);
_items[item][line - 1].concatenateLines(_items[item][line]);
_items[item].erase(_items[item].begin() + line);
_linesToSimplify[item].decrementLine(vec, line);
_currentLine--;
return true;
}
Printer::Printer(std::ostream& os, int width, bool flatZinc, EnvI* env)
: _env(env), _ism(nullptr), _printer(nullptr), _os(os), _width(width), _flatZinc(flatZinc) {}
void Printer::init() {
if (_ism == nullptr) {
_ism = new ItemDocumentMapper();
_printer = new PrettyPrinter(_width, 4, true, true);
}
}
Printer::~Printer() {
delete _printer;
delete _ism;
}
void Printer::p(Document* d) {
_printer->print(d);
_printer->print(_os);
delete _printer;
_printer = new PrettyPrinter(_width, 4, true, true);
}
void Printer::p(const Item* i) {
Document* d;
switch (i->iid()) {
case Item::II_INC:
d = ItemDocumentMapper::mapIncludeI(*i->cast<IncludeI>());
break;
case Item::II_VD:
d = ItemDocumentMapper::mapVarDeclI(*i->cast<VarDeclI>());
break;
case Item::II_ASN:
d = ItemDocumentMapper::mapAssignI(*i->cast<AssignI>());
break;
case Item::II_CON:
d = ItemDocumentMapper::mapConstraintI(*i->cast<ConstraintI>());
break;
case Item::II_SOL:
d = ItemDocumentMapper::mapSolveI(*i->cast<SolveI>());
break;
case Item::II_OUT:
d = ItemDocumentMapper::mapOutputI(*i->cast<OutputI>());
break;
case Item::II_FUN:
d = ItemDocumentMapper::mapFunctionI(*i->cast<FunctionI>());
break;
}
p(d);
delete d;
}
void Printer::print(const Expression* e) {
if (_width == 0) {
PlainPrinter p(_os, _flatZinc, _env);
p.p(e);
} else {
init();
Document* d = expression_to_document(e);
p(d);
delete d;
}
}
void Printer::print(const Item* i) {
if (_width == 0) {
PlainPrinter p(_os, _flatZinc, _env);
p.p(i);
} else {
init();
p(i);
}
}
void Printer::print(const Model* m) {
if (_width == 0) {
PlainPrinter p(_os, _flatZinc, _env);
for (auto* i : *m) {
p.p(i);
}
} else {
init();
for (auto* i : *m) {
p(i);
}
}
}
} // namespace MiniZinc
void debugprint(MiniZinc::Expression* e) { std::cerr << *e << "\n"; }
void debugprint(MiniZinc::Item* i) { std::cerr << *i; }
void debugprint(MiniZinc::Model* m) {
MiniZinc::Printer p(std::cerr, 0);
p.print(m);
}
void debugprint(const MiniZinc::Location& loc) { std::cerr << loc << std::endl; }