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on-restart-benchmarks/lib/typecheck.cpp
Jip J. Dekker fad1b07018 Squashed 'software/minizinc/' content from commit 4f10c8205
git-subtree-dir: software/minizinc
git-subtree-split: 4f10c82056ffcb1041d7ffef29d77a7eef92cf76
2021-06-16 14:06:46 +10:00

3593 lines
131 KiB
C++

/* -*- 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/astexception.hh>
#include <minizinc/astiterator.hh>
#include <minizinc/flatten_internal.hh>
#include <minizinc/hash.hh>
#include <minizinc/prettyprinter.hh>
#include <minizinc/typecheck.hh>
#include <sstream>
#include <string>
#include <unordered_map>
#include <utility>
namespace MiniZinc {
Scopes::Scopes() { _s.emplace_back(ST_TOPLEVEL); }
void Scopes::add(EnvI& env, VarDecl* vd) {
if (!_s.back().toplevel() && vd->ti()->isEnum() && (vd->e() != nullptr)) {
throw TypeError(env, vd->loc(), "enums are only allowed at top level");
}
if (vd->id()->idn() == -1 && vd->id()->v() == "") {
return;
}
// If the current scope is ST_INNER, check if vd shadows another
// declaration from the same functional or toplevel scope
if (_s.back().st == ST_INNER) {
assert(_s.size() > 1); // at least toplevel scope above
for (int i = static_cast<int>(_s.size()) - 2; i >= 0; i--) {
auto previous = _s[i].m.find(vd->id());
if (previous != _s[i].m.end()) {
std::ostringstream oss;
ASTString warnloc_f = vd->loc().filename();
unsigned int warnloc_l = vd->id()->loc().firstLine();
unsigned int warnloc_c = vd->id()->loc().firstColumn();
unsigned int earlier_l = previous->second->id()->loc().firstLine();
unsigned int earlier_c = previous->second->id()->loc().firstColumn();
oss << "\n " << warnloc_f << ":" << warnloc_l << "." << warnloc_c << ":\n";
oss << " Variable `" << *vd->id() << "' shadows variable with the same name in line "
<< earlier_l << "." << earlier_c;
env.addWarning(oss.str());
break;
}
if (_s[i].st != ST_INNER) {
break;
}
}
}
auto vdi = _s.back().m.find(vd->id());
if (vdi == _s.back().m.end()) {
_s.back().m.insert(vd->id(), vd);
} else {
std::ostringstream ss;
ss << "identifier `" << vd->id()->str() << "' already defined";
throw TypeError(env, vd->loc(), ss.str());
}
}
void Scopes::pushToplevel() { _s.emplace_back(ST_TOPLEVEL); }
void Scopes::pushFun() { _s.emplace_back(ST_FUN); }
void Scopes::push() { _s.emplace_back(ST_INNER); }
void Scopes::pop() { _s.pop_back(); }
VarDecl* Scopes::find(Id* ident) {
int cur = static_cast<int>(_s.size()) - 1;
for (;;) {
auto vdi = _s[cur].m.find(ident);
if (vdi == _s[cur].m.end()) {
if (_s[cur].toplevel()) {
if (cur > 0) {
cur = 0;
} else {
return nullptr;
}
} else {
cur--;
}
} else {
return vdi->second;
}
}
}
VarDecl* Scopes::findSimilar(Id* ident) {
VarDecl* mostSimilar = nullptr;
int cur = static_cast<int>(_s.size()) - 1;
int minEdits = 3;
for (;;) {
for (auto decls : _s[cur].m) {
int edits = ident->levenshteinDistance(decls.first);
if (edits < minEdits && std::abs(static_cast<int>(ident->v().size()) -
static_cast<int>(decls.first->v().size())) <= 3) {
minEdits = edits;
mostSimilar = decls.second;
}
}
if (_s[cur].toplevel()) {
if (cur > 0) {
cur = 0;
} else {
break;
}
} else {
cur--;
}
}
return mostSimilar;
}
class VarDeclCmp {
private:
std::unordered_map<VarDecl*, int>& _pos;
public:
VarDeclCmp(std::unordered_map<VarDecl*, int>& pos) : _pos(pos) {}
bool operator()(Expression* e0, Expression* e1) {
if (auto* vd0 = Expression::dynamicCast<VarDecl>(e0)) {
if (auto* vd1 = Expression::dynamicCast<VarDecl>(e1)) {
return _pos[vd0] < _pos[vd1];
}
return true;
}
return false;
}
};
class ItemCmp {
private:
std::unordered_map<VarDecl*, int>& _pos;
public:
ItemCmp(std::unordered_map<VarDecl*, int>& pos) : _pos(pos) {}
bool operator()(Item* i0, Item* i1) {
if (auto* vd0 = i0->cast<VarDeclI>()) {
if (auto* vd1 = i1->cast<VarDeclI>()) {
return _pos[vd0->e()] < _pos[vd1->e()];
}
return true;
}
return false;
}
};
// Create all required mapping functions for a new enum
// (mapping enum identifiers to strings, and mapping between different enums)
void create_enum_mapper(EnvI& env, Model* m, unsigned int enumId, VarDecl* vd, Model* enumItems) {
GCLock lock;
Id* ident = vd->id();
if (vd->e() == nullptr) {
// Enum without right hand side (may be supplied later in an assignment
// item, or we may be runnint in --model-interface-only mode).
// Need to create stub function declarations, so that the type checker
// is happy.
Type tx = Type::parint();
tx.ot(Type::OT_OPTIONAL);
auto* ti_aa = new TypeInst(Location().introduce(), tx);
auto* vd_aa = new VarDecl(Location().introduce(), ti_aa, "x");
vd_aa->toplevel(false);
auto* ti_ab = new TypeInst(Location().introduce(), Type::parbool());
auto* vd_ab = new VarDecl(Location().introduce(), ti_ab, "b");
vd_ab->toplevel(false);
auto* ti_aj = new TypeInst(Location().introduce(), Type::parbool());
auto* vd_aj = new VarDecl(Location().introduce(), ti_aj, "json");
vd_aj->toplevel(false);
auto* ti_fi = new TypeInst(Location().introduce(), Type::parstring());
std::vector<VarDecl*> fi_params(3);
fi_params[0] = vd_aa;
fi_params[1] = vd_ab;
fi_params[2] = vd_aj;
auto* fi =
new FunctionI(Location().introduce(), create_enum_to_string_name(ident, "_toString_"),
ti_fi, fi_params, nullptr);
enumItems->addItem(fi);
return;
}
Call* c = vd->e()->dynamicCast<Call>();
auto* al = vd->e()->dynamicCast<ArrayLit>();
std::vector<Expression*> parts;
if (vd->e()->isa<SetLit>()) {
parts.push_back(vd->e());
} else if ((al != nullptr) || ((c != nullptr) && c->id() == "anon_enum" && c->argCount() == 1 &&
c->arg(0)->isa<ArrayLit>())) {
if (c != nullptr) {
al = c->arg(0)->cast<ArrayLit>();
}
std::vector<Expression*> enumIds(al->size());
for (unsigned int i = 0; i < al->size(); i++) {
if (Id* eid = (*al)[i]->dynamicCast<Id>()) {
enumIds[i] = eid;
} else {
std::ostringstream ss;
ss << "invalid initialisation for enum `" << ident->v() << "'";
throw TypeError(env, vd->e()->loc(), ss.str());
}
}
parts.push_back(new SetLit(vd->e()->loc(), enumIds));
} else if (c != nullptr) {
if (c->id() == "enumFromConstructors") {
if (c->argCount() != 1 || !c->arg(0)->isa<ArrayLit>()) {
throw TypeError(env, c->loc(),
"enumFromConstructors used with incorrect argument type (only supports "
"array literals)");
}
auto* al = c->arg(0)->cast<ArrayLit>();
for (unsigned int i = 0; i < al->size(); i++) {
parts.push_back((*al)[i]);
}
} else {
parts.push_back(c);
}
} else {
throw TypeError(env, vd->e()->loc(),
std::string("invalid initialisation for enum `") + ident->v().c_str() + "'");
}
std::vector<Expression*> partCardinality;
for (unsigned int p = 0; p < parts.size(); p++) {
if (auto* sl = parts[p]->dynamicCast<SetLit>()) {
for (unsigned int i = 0; i < sl->v().size(); i++) {
if (!sl->v()[i]->isa<Id>()) {
throw TypeError(
env, sl->v()[i]->loc(),
std::string("invalid initialisation for enum `") + ident->v().c_str() + "'");
}
auto* ti_id = new TypeInst(sl->v()[i]->loc(), Type::parenum(enumId));
std::vector<Expression*> toEnumArgs(2);
toEnumArgs[0] = vd->id();
if (partCardinality.empty()) {
toEnumArgs[1] = IntLit::a(i + 1);
} else {
toEnumArgs[1] =
new BinOp(Location().introduce(), partCardinality.back(), BOT_PLUS, IntLit::a(i + 1));
}
Call* toEnum = new Call(sl->v()[i]->loc(), ASTString("to_enum"), toEnumArgs);
auto* vd_id = new VarDecl(ti_id->loc(), ti_id, sl->v()[i]->cast<Id>()->str(), toEnum);
auto* vdi_id = new VarDeclI(vd_id->loc(), vd_id);
std::string str(sl->v()[i]->cast<Id>()->str().c_str());
env.reverseEnum[str] = vdi_id;
enumItems->addItem(vdi_id);
if (i == sl->v().size() - 1) {
// remember the last identifier
partCardinality.push_back(toEnumArgs[1]);
}
}
std::string name =
create_enum_to_string_name(ident, "_enum_to_string_" + std::to_string(p) + "_");
std::vector<Expression*> al_args(sl->v().size());
for (unsigned int i = 0; i < sl->v().size(); i++) {
std::string str(sl->v()[i]->cast<Id>()->str().c_str());
if (str.size() >= 2 && str[0] == '\'' && str[str.size() - 1] == '\'') {
al_args[i] =
new StringLit(Location().introduce(), ASTString(str.substr(1, str.size() - 2)));
} else {
al_args[i] = new StringLit(Location().introduce(), ASTString(str));
}
/// TODO: reimplement reverseEnum with a symbol table into the model (so you can evalPar an
/// expression)
}
auto* al = new ArrayLit(Location().introduce(), al_args);
std::vector<TypeInst*> ranges(1);
ranges[0] = new TypeInst(Location().introduce(), Type::parint());
auto* ti = new TypeInst(Location().introduce(), Type::parstring(1));
ti->setRanges(ranges);
auto* vd_enumToString = new VarDecl(Location().introduce(), ti, name, al);
enumItems->addItem(new VarDeclI(Location().introduce(), vd_enumToString));
Type tx = Type::parint();
tx.ot(Type::OT_OPTIONAL);
auto* ti_aa = new TypeInst(Location().introduce(), tx);
auto* vd_aa = new VarDecl(Location().introduce(), ti_aa, "x");
vd_aa->toplevel(false);
auto* ti_ab = new TypeInst(Location().introduce(), Type::parbool());
auto* vd_ab = new VarDecl(Location().introduce(), ti_ab, "b");
vd_ab->toplevel(false);
auto* ti_aj = new TypeInst(Location().introduce(), Type::parbool());
auto* vd_aj = new VarDecl(Location().introduce(), ti_aj, "json");
vd_aj->toplevel(false);
auto* ti_fi = new TypeInst(Location().introduce(), Type::parstring());
std::vector<VarDecl*> fi_params(3);
fi_params[0] = vd_aa;
fi_params[1] = vd_ab;
fi_params[2] = vd_aj;
std::vector<Expression*> deopt_args(1);
deopt_args[0] = vd_aa->id();
Call* deopt = new Call(Location().introduce(), "deopt", deopt_args);
Call* occurs = new Call(Location().introduce(), "occurs", deopt_args);
std::vector<Expression*> aa_args(1);
aa_args[0] = deopt;
auto* aa = new ArrayAccess(Location().introduce(), vd_enumToString->id(), aa_args);
auto* sl_absent = new StringLit(Location().introduce(), "<>");
ITE* if_absent = new ITE(
Location().introduce(),
{vd_aj->id(), new StringLit(Location().introduce(), ASTString("null"))}, sl_absent);
auto* json_e_quote = new StringLit(Location().introduce(), ASTString("{\"e\":\""));
auto* json_e_quote_end = new StringLit(Location().introduce(), ASTString("\"}"));
auto* quote_aa = new BinOp(Location().introduce(), json_e_quote, BOT_PLUSPLUS, aa);
auto* quote_aa2 = new BinOp(Location().introduce(), quote_aa, BOT_PLUSPLUS, json_e_quote_end);
Call* quote_dzn = new Call(Location().introduce(), ASTString("showDznId"), {aa});
std::vector<Expression*> ite_ifelse(2);
ite_ifelse[0] = occurs;
ite_ifelse[1] =
new ITE(Location().introduce(), {vd_ab->id(), quote_dzn, vd_aj->id(), quote_aa2}, aa);
ITE* ite = new ITE(Location().introduce(), ite_ifelse, if_absent);
std::string toString = "_toString_";
if (parts.size() > 1) {
toString += std::to_string(p) + "_";
}
auto* fi = new FunctionI(Location().introduce(), create_enum_to_string_name(ident, toString),
ti_fi, fi_params, ite);
enumItems->addItem(fi);
} else if (Call* c = parts[p]->dynamicCast<Call>()) {
if (c->id() == "anon_enum") {
Type tx = Type::parint();
tx.ot(Type::OT_OPTIONAL);
auto* ti_aa = new TypeInst(Location().introduce(), tx);
auto* vd_aa = new VarDecl(Location().introduce(), ti_aa, "x");
vd_aa->toplevel(false);
auto* ti_ab = new TypeInst(Location().introduce(), Type::parbool());
auto* vd_ab = new VarDecl(Location().introduce(), ti_ab, "b");
vd_ab->toplevel(false);
auto* ti_aj = new TypeInst(Location().introduce(), Type::parbool());
auto* vd_aj = new VarDecl(Location().introduce(), ti_aj, "json");
vd_aj->toplevel(false);
std::vector<Expression*> deopt_args(1);
deopt_args[0] = vd_aa->id();
Call* deopt = new Call(Location().introduce(), "deopt", deopt_args);
Call* if_absent = new Call(Location().introduce(), "absent", deopt_args);
auto* sl_absent_dzn = new StringLit(Location().introduce(), "<>");
ITE* sl_absent = new ITE(
Location().introduce(),
{vd_aj->id(), new StringLit(Location().introduce(), ASTString("null"))}, sl_absent_dzn);
auto* sl_dzn = new StringLit(Location().introduce(), ASTString(std::string("to_enum(") +
ident->str().c_str() + ","));
std::vector<Expression*> showIntArgs(1);
if (partCardinality.empty()) {
showIntArgs[0] = deopt;
partCardinality.push_back(c->arg(0));
} else {
showIntArgs[0] =
new BinOp(Location().introduce(), partCardinality.back(), BOT_PLUS, deopt);
partCardinality.push_back(
new BinOp(Location().introduce(), partCardinality.back(), BOT_PLUS, c->arg(0)));
}
Call* showInt = new Call(Location().introduce(), constants().ids.show, showIntArgs);
auto* construct_string_dzn =
new BinOp(Location().introduce(), sl_dzn, BOT_PLUSPLUS, showInt);
auto* closing_bracket = new StringLit(Location().introduce(), ASTString(")"));
auto* construct_string_dzn_2 =
new BinOp(Location().introduce(), construct_string_dzn, BOT_PLUSPLUS, closing_bracket);
auto* sl = new StringLit(Location().introduce(),
ASTString(std::string(ident->str().c_str()) + "_"));
auto* construct_string = new BinOp(Location().introduce(), sl, BOT_PLUSPLUS, showInt);
auto* json_e_quote = new StringLit(Location().introduce(), ASTString("{\"e\":\""));
auto* json_e_quote_mid = new StringLit(Location().introduce(), ASTString("\", \"i\":"));
auto* json_e_quote_end = new StringLit(Location().introduce(), ASTString("}"));
auto* construct_string_json =
new BinOp(Location().introduce(), json_e_quote, BOT_PLUSPLUS,
new StringLit(Location().introduce(), ident->str()));
auto* construct_string_json_1a = new BinOp(Location().introduce(), construct_string_json,
BOT_PLUSPLUS, json_e_quote_mid);
auto* construct_string_json_1b =
new BinOp(Location().introduce(), construct_string_json_1a, BOT_PLUSPLUS, showInt);
auto* construct_string_json_2 = new BinOp(Location().introduce(), construct_string_json_1b,
BOT_PLUSPLUS, json_e_quote_end);
std::vector<Expression*> if_then(6);
if_then[0] = if_absent;
if_then[1] = sl_absent;
if_then[2] = vd_ab->id();
if_then[3] = construct_string_dzn_2;
if_then[4] = vd_aj->id();
if_then[5] = construct_string_json_2;
ITE* ite = new ITE(Location().introduce(), if_then, construct_string);
auto* ti_fi = new TypeInst(Location().introduce(), Type::parstring());
std::vector<VarDecl*> fi_params(3);
fi_params[0] = vd_aa;
fi_params[1] = vd_ab;
fi_params[2] = vd_aj;
std::string toString = "_toString_";
if (parts.size() > 1) {
toString += std::to_string(p) + "_";
}
auto* fi =
new FunctionI(Location().introduce(), create_enum_to_string_name(ident, toString),
ti_fi, fi_params, ite);
enumItems->addItem(fi);
} else {
// This is an enum constructor C(E)
if (c->argCount() != 1 || !c->arg(0)->isa<Id>()) {
throw TypeError(env, c->loc(),
"enum constructors must have a single identifier as argument");
}
Id* otherEnumId = c->arg(0)->cast<Id>();
// Generate:
/*
function X: C(E: x) = to_enum(X,partCardinality.back()+x)
function var X: C(var E: x) = to_enum(X,partCardinality.back()+x)
function opt X: C(opt E: x) = if occurs(x) then C(deopt(x)) else to_enum(x,<>) endif
function var opt X: C(var opt E: x) = if occurs(x) then C(deopt(x)) else to_enum(x,<>)
endif
function set of X: C(set of E: x) = { C(i) | i in x }
function var set of X: C(var set of E: x) = { C(i) | i in x }
*/
{
Type Xt = Type::parint();
Xt.enumId(enumId);
auto* Cfn_ti = new TypeInst(Location().introduce(), Xt);
auto* Cfn_x_ti = new TypeInst(Location().introduce(), Type(), otherEnumId);
auto* vd_x = new VarDecl(Location().introduce(), Cfn_x_ti, "x");
vd_x->toplevel(false);
Expression* realX;
if (partCardinality.empty()) {
realX = vd_x->id();
} else {
realX = new BinOp(Location().introduce(), partCardinality.back(), BOT_PLUS, vd_x->id());
}
auto* Cfn_body = new Call(Location().introduce(), "to_enum", {vd->id(), realX});
std::string Cfn_id(c->id().c_str());
auto* Cfn = new FunctionI(Location().introduce(), Cfn_id, Cfn_ti, {vd_x}, Cfn_body);
env.reverseEnum[Cfn_id] = Cfn;
enumItems->addItem(Cfn);
}
{
Type Xt = Type::varint();
Xt.enumId(enumId);
auto* Cfn_ti = new TypeInst(Location().introduce(), Xt);
Type argT;
argT.ti(Type::TI_VAR);
auto* Cfn_x_ti = new TypeInst(Location().introduce(), argT, otherEnumId);
auto* vd_x = new VarDecl(Location().introduce(), Cfn_x_ti, "x");
vd_x->toplevel(false);
Expression* realX;
if (partCardinality.empty()) {
realX = vd_x->id();
} else {
realX = new BinOp(Location().introduce(), partCardinality.back(), BOT_PLUS, vd_x->id());
}
auto* Cfn_body = new Call(Location().introduce(), "to_enum", {vd->id(), realX});
std::string Cfn_id(c->id().c_str());
auto* Cfn = new FunctionI(Location().introduce(), Cfn_id, Cfn_ti, {vd_x}, Cfn_body);
enumItems->addItem(Cfn);
}
{
Type Xt = Type::parint();
Xt.ot(Type::OT_OPTIONAL);
Xt.enumId(enumId);
auto* Cfn_ti = new TypeInst(Location().introduce(), Xt);
Type argT;
argT.ot(Type::OT_OPTIONAL);
auto* Cfn_x_ti = new TypeInst(Location().introduce(), argT, otherEnumId);
auto* vd_x = new VarDecl(Location().introduce(), Cfn_x_ti, "x");
std::string Cfn_id(c->id().c_str());
vd_x->toplevel(false);
auto* occurs = new Call(Location().introduce(), "occurs", {vd_x->id()});
auto* deopt = new Call(Location().introduce(), "deopt", {vd_x->id()});
auto* inv = new Call(Location().introduce(), Cfn_id, {deopt});
auto* toEnumAbsent =
new Call(Location().introduce(), "to_enum", {vd->id(), constants().absent});
auto* ite = new ITE(Location().introduce(), {occurs, inv}, toEnumAbsent);
auto* Cfn = new FunctionI(Location().introduce(), Cfn_id, Cfn_ti, {vd_x}, ite);
enumItems->addItem(Cfn);
}
{
Type Xt = Type::varint();
Xt.ot(Type::OT_OPTIONAL);
Xt.enumId(enumId);
auto* Cfn_ti = new TypeInst(Location().introduce(), Xt);
Type argT;
argT.ti(Type::TI_VAR);
argT.ot(Type::OT_OPTIONAL);
auto* Cfn_x_ti = new TypeInst(Location().introduce(), argT, otherEnumId);
auto* vd_x = new VarDecl(Location().introduce(), Cfn_x_ti, "x");
std::string Cfn_id(c->id().c_str());
vd_x->toplevel(false);
auto* occurs = new Call(Location().introduce(), "occurs", {vd_x->id()});
auto* deopt = new Call(Location().introduce(), "deopt", {vd_x->id()});
auto* toEnumAbsent =
new Call(Location().introduce(), "to_enum", {vd->id(), constants().absent});
auto* inv = new Call(Location().introduce(), Cfn_id, {deopt});
auto* ite = new ITE(Location().introduce(), {occurs, inv}, toEnumAbsent);
auto* Cfn = new FunctionI(Location().introduce(), Cfn_id, Cfn_ti, {vd_x}, ite);
enumItems->addItem(Cfn);
}
{
Type Xt = Type::parint();
Xt.st(Type::ST_SET);
Xt.enumId(enumId);
auto* Cfn_ti = new TypeInst(Location().introduce(), Xt);
Type argT;
argT.st(Type::ST_SET);
auto* Cfn_x_ti = new TypeInst(Location().introduce(), argT, otherEnumId);
auto* vd_x = new VarDecl(Location().introduce(), Cfn_x_ti, "x");
std::string Cfn_id(c->id().c_str());
vd_x->toplevel(false);
auto* s_ti = new TypeInst(Location().introduce(), Type::parint());
auto* s = new VarDecl(Location().introduce(), s_ti, "s", nullptr);
s->toplevel(false);
auto* inv = new Call(Location().introduce(), Cfn_id, {s->id()});
Generator gen({s}, vd_x->id(), nullptr);
Generators gens;
gens.g = {gen};
auto* comprehension = new Comprehension(Location().introduce(), inv, gens, true);
auto* Cfn = new FunctionI(Location().introduce(), Cfn_id, Cfn_ti, {vd_x}, comprehension);
enumItems->addItem(Cfn);
}
{
Type Xt = Type::varint();
Xt.st(Type::ST_SET);
Xt.enumId(enumId);
auto* Cfn_ti = new TypeInst(Location().introduce(), Xt);
Type argT;
argT.ti(Type::TI_VAR);
argT.st(Type::ST_SET);
auto* Cfn_x_ti = new TypeInst(Location().introduce(), argT, otherEnumId);
auto* vd_x = new VarDecl(Location().introduce(), Cfn_x_ti, "x");
std::string Cfn_id(c->id().c_str());
vd_x->toplevel(false);
auto* s_ti = new TypeInst(Location().introduce(), Type::parint());
auto* s = new VarDecl(Location().introduce(), s_ti, "s", nullptr);
s->toplevel(false);
auto* inv = new Call(Location().introduce(), Cfn_id, {s->id()});
Generator gen({s}, vd_x->id(), nullptr);
Generators gens;
gens.g = {gen};
auto* comprehension = new Comprehension(Location().introduce(), inv, gens, true);
auto* Cfn = new FunctionI(Location().introduce(), Cfn_id, Cfn_ti, {vd_x}, comprehension);
enumItems->addItem(Cfn);
}
/*
function E: C⁻¹(X: x) = to_enum(E,x-partCardinality.back())
function var E: C⁻¹(var X: x) = to_enum(E,x-partCardinality.back())
function opt E: C⁻¹(opt X: x) = if occurs(x) then C⁻¹(deopt(x)) else to_enum(x,<>) endif
function var opt E: C⁻¹(var opt X: x) = if occurs(x) then C⁻¹(deopt(x)) else to_enum(x,<>)
endif
function set of E: C⁻¹(set of X: x) = { C⁻¹(i) | i in x }
function var set of E: C⁻¹(var set of X: x) = { C⁻¹(i) | i in x }
*/
{
auto* toEfn_ti = new TypeInst(Location().introduce(), Type(), otherEnumId);
Type Xt = Type::parint();
Xt.enumId(enumId);
auto* toEfn_x_ti = new TypeInst(Location().introduce(), Xt, vd->id());
auto* vd_x = new VarDecl(Location().introduce(), toEfn_x_ti, "x");
vd_x->toplevel(false);
Expression* realX;
if (partCardinality.empty()) {
realX = vd_x->id();
} else {
realX =
new BinOp(Location().introduce(), vd_x->id(), BOT_MINUS, partCardinality.back());
}
auto* toEfn_body = new Call(Location().introduce(), "to_enum", {otherEnumId, realX});
std::string Cinv_id(std::string(c->id().c_str()) + "⁻¹");
auto* toEfn =
new FunctionI(Location().introduce(), Cinv_id, toEfn_ti, {vd_x}, toEfn_body);
enumItems->addItem(toEfn);
}
{
Type rT;
rT.ti(Type::TI_VAR);
auto* toEfn_ti = new TypeInst(Location().introduce(), rT, otherEnumId);
Type Xt = Type::varint();
Xt.enumId(enumId);
auto* toEfn_x_ti = new TypeInst(Location().introduce(), Xt, vd->id());
auto* vd_x = new VarDecl(Location().introduce(), toEfn_x_ti, "x");
vd_x->toplevel(false);
Expression* realX;
if (partCardinality.empty()) {
realX = vd_x->id();
} else {
realX =
new BinOp(Location().introduce(), vd_x->id(), BOT_MINUS, partCardinality.back());
}
auto* toEfn_body = new Call(Location().introduce(), "to_enum", {otherEnumId, realX});
std::string Cinv_id(std::string(c->id().c_str()) + "⁻¹");
auto* toEfn =
new FunctionI(Location().introduce(), Cinv_id, toEfn_ti, {vd_x}, toEfn_body);
enumItems->addItem(toEfn);
}
{
Type rt;
rt.ot(Type::OT_OPTIONAL);
auto* Cfn_ti = new TypeInst(Location().introduce(), rt, otherEnumId);
Type argT;
argT.ot(Type::OT_OPTIONAL);
argT.enumId(enumId);
auto* Cfn_x_ti = new TypeInst(Location().introduce(), argT, vd->id());
auto* vd_x = new VarDecl(Location().introduce(), Cfn_x_ti, "x");
std::string Cinv_id(std::string(c->id().c_str()) + "⁻¹");
vd_x->toplevel(false);
auto* occurs = new Call(Location().introduce(), "occurs", {vd_x->id()});
auto* deopt = new Call(Location().introduce(), "deopt", {vd_x->id()});
auto* inv = new Call(Location().introduce(), Cinv_id, {deopt});
auto* toEnumAbsent =
new Call(Location().introduce(), "to_enum", {otherEnumId, constants().absent});
auto* ite = new ITE(Location().introduce(), {occurs, inv}, toEnumAbsent);
auto* Cfn = new FunctionI(Location().introduce(), Cinv_id, Cfn_ti, {vd_x}, ite);
enumItems->addItem(Cfn);
}
{
Type rt;
rt.ti(Type::TI_VAR);
rt.ot(Type::OT_OPTIONAL);
auto* Cfn_ti = new TypeInst(Location().introduce(), rt, otherEnumId);
Type argT = Type::varint();
argT.ot(Type::OT_OPTIONAL);
argT.enumId(enumId);
auto* Cfn_x_ti = new TypeInst(Location().introduce(), argT, vd->id());
auto* vd_x = new VarDecl(Location().introduce(), Cfn_x_ti, "x");
std::string Cinv_id(std::string(c->id().c_str()) + "⁻¹");
vd_x->toplevel(false);
auto* occurs = new Call(Location().introduce(), "occurs", {vd_x->id()});
auto* deopt = new Call(Location().introduce(), "deopt", {vd_x->id()});
auto* inv = new Call(Location().introduce(), Cinv_id, {deopt});
auto* toEnumAbsent =
new Call(Location().introduce(), "to_enum", {otherEnumId, constants().absent});
auto* ite = new ITE(Location().introduce(), {occurs, inv}, toEnumAbsent);
auto* Cfn = new FunctionI(Location().introduce(), Cinv_id, Cfn_ti, {vd_x}, ite);
enumItems->addItem(Cfn);
}
{
Type Xt;
Xt.st(Type::ST_SET);
auto* Cfn_ti = new TypeInst(Location().introduce(), Xt, otherEnumId);
Type argT = Type::parint();
argT.st(Type::ST_SET);
argT.enumId(enumId);
auto* Cfn_x_ti = new TypeInst(Location().introduce(), argT, vd->id());
auto* vd_x = new VarDecl(Location().introduce(), Cfn_x_ti, "x");
vd_x->toplevel(false);
std::string Cinv_id(std::string(c->id().c_str()) + "⁻¹");
auto* s_ti = new TypeInst(Location().introduce(), Type::parint());
auto* s = new VarDecl(Location().introduce(), s_ti, "s", nullptr);
s->toplevel(false);
auto* inv = new Call(Location().introduce(), Cinv_id, {s->id()});
Generator gen({s}, vd_x->id(), nullptr);
Generators gens;
gens.g = {gen};
auto* comprehension = new Comprehension(Location().introduce(), inv, gens, true);
auto* Cfn = new FunctionI(Location().introduce(), Cinv_id, Cfn_ti, {vd_x}, comprehension);
enumItems->addItem(Cfn);
}
{
Type Xt;
Xt.ti(Type::TI_VAR);
Xt.st(Type::ST_SET);
auto* Cfn_ti = new TypeInst(Location().introduce(), Xt, otherEnumId);
Type argT = Type::varint();
argT.st(Type::ST_SET);
argT.enumId(enumId);
auto* Cfn_x_ti = new TypeInst(Location().introduce(), argT, vd->id());
auto* vd_x = new VarDecl(Location().introduce(), Cfn_x_ti, "x");
vd_x->toplevel(false);
std::string Cinv_id(std::string(c->id().c_str()) + "⁻¹");
auto* s_ti = new TypeInst(Location().introduce(), Type::varint());
auto* s = new VarDecl(Location().introduce(), s_ti, "s", nullptr);
s->toplevel(false);
auto* inv = new Call(Location().introduce(), Cinv_id, {s->id()});
Generator gen({s}, vd_x->id(), nullptr);
Generators gens;
gens.g = {gen};
auto* comprehension = new Comprehension(Location().introduce(), inv, gens, true);
auto* Cfn = new FunctionI(Location().introduce(), Cinv_id, Cfn_ti, {vd_x}, comprehension);
enumItems->addItem(Cfn);
}
/*
function string: _toString_p_X(opt X: x, bool: b, bool: json) =
if absent(x) then "<>" else
if json then "{ \"c\": \"C\", \"e\":" else "C(" endif
++_toString_E(to_enum(E,deopt(x)),b,json)
++ if json then "}" else ")" endif
endif
*/
{
Type tx = Type::parint();
tx.ot(Type::OT_OPTIONAL);
auto* ti_aa = new TypeInst(Location().introduce(), tx);
auto* vd_aa = new VarDecl(Location().introduce(), ti_aa, "x");
vd_aa->toplevel(false);
auto* ti_ab = new TypeInst(Location().introduce(), Type::parbool());
auto* vd_ab = new VarDecl(Location().introduce(), ti_ab, "b");
vd_ab->toplevel(false);
auto* ti_aj = new TypeInst(Location().introduce(), Type::parbool());
auto* vd_aj = new VarDecl(Location().introduce(), ti_aj, "json");
vd_aj->toplevel(false);
std::vector<Expression*> deopt_args(1);
deopt_args[0] = vd_aa->id();
Call* deopt = new Call(Location().introduce(), "deopt", deopt_args);
Call* if_absent = new Call(Location().introduce(), "absent", deopt_args);
auto* sl_absent_dzn = new StringLit(Location().introduce(), "<>");
ITE* sl_absent =
new ITE(Location().introduce(),
{vd_aj->id(), new StringLit(Location().introduce(), ASTString("null"))},
sl_absent_dzn);
Call* toEnumE = new Call(Location().introduce(), "to_enum", {otherEnumId, deopt});
Call* toString = new Call(Location().introduce(),
create_enum_to_string_name(otherEnumId, "_toString_"),
{toEnumE, vd_ab->id(), vd_aj->id()});
auto* openOther =
new StringLit(Location().introduce(), std::string(c->id().c_str()) + "(");
auto* openJson =
new StringLit(Location().introduce(),
"{ \"c\" : \"" + std::string(c->id().c_str()) + "\", \"e\" : ");
ITE* openConstr = new ITE(Location().introduce(), {vd_aj->id(), openJson}, openOther);
auto* closeJson = new StringLit(Location().introduce(), "}");
auto* closeOther = new StringLit(Location().introduce(), ")");
ITE* closeConstr = new ITE(Location().introduce(), {vd_aj->id(), closeJson}, closeOther);
auto* concat1 = new BinOp(Location().introduce(), openConstr, BOT_PLUSPLUS, toString);
auto* concat2 = new BinOp(Location().introduce(), concat1, BOT_PLUSPLUS, closeConstr);
ITE* ite = new ITE(Location().introduce(), {if_absent, sl_absent}, concat2);
auto* ti_fi = new TypeInst(Location().introduce(), Type::parstring());
std::vector<VarDecl*> fi_params(3);
fi_params[0] = vd_aa;
fi_params[1] = vd_ab;
fi_params[2] = vd_aj;
std::string XtoString = "_toString_";
if (parts.size() > 1) {
XtoString += std::to_string(p) + "_";
}
auto* fi =
new FunctionI(Location().introduce(), create_enum_to_string_name(ident, XtoString),
ti_fi, fi_params, ite);
enumItems->addItem(fi);
}
Call* cardE = new Call(Location().introduce(), "card", {otherEnumId});
if (partCardinality.empty()) {
partCardinality.push_back(cardE);
} else {
partCardinality.push_back(
new BinOp(Location().introduce(), partCardinality.back(), BOT_PLUS, cardE));
}
}
} else {
assert(false);
}
}
// Create set literal for overall enum
Expression* upperBound;
if (!partCardinality.empty()) {
upperBound = partCardinality.back();
} else {
// For empty enums, just create 1..0.
upperBound = IntLit::a(0);
}
auto* rhs = new BinOp(vd->loc(), IntLit::a(1), BOT_DOTDOT, upperBound);
vd->e(rhs);
if (parts.size() > 1) {
Type tx = Type::parint();
tx.ot(Type::OT_OPTIONAL);
auto* ti_aa = new TypeInst(Location().introduce(), tx);
auto* vd_aa = new VarDecl(Location().introduce(), ti_aa, "x");
vd_aa->toplevel(false);
auto* ti_ab = new TypeInst(Location().introduce(), Type::parbool());
auto* vd_ab = new VarDecl(Location().introduce(), ti_ab, "b");
vd_ab->toplevel(false);
auto* ti_aj = new TypeInst(Location().introduce(), Type::parbool());
auto* vd_aj = new VarDecl(Location().introduce(), ti_aj, "json");
vd_aj->toplevel(false);
std::vector<Expression*> deopt_args(1);
deopt_args[0] = vd_aa->id();
Call* deopt = new Call(Location().introduce(), "deopt", deopt_args);
Call* if_absent = new Call(Location().introduce(), "absent", deopt_args);
auto* sl_absent_dzn = new StringLit(Location().introduce(), "<>");
ITE* sl_absent = new ITE(
Location().introduce(),
{vd_aj->id(), new StringLit(Location().introduce(), ASTString("null"))}, sl_absent_dzn);
std::vector<Expression*> ite_cases_a;
Expression* ite_cases_else;
for (unsigned int i = 0; i < parts.size(); i++) {
std::string toString = "_toString_" + std::to_string(i) + "_";
Expression* aa;
if (i == 0) {
aa = vd_aa->id();
} else {
auto* bo = new BinOp(Location().introduce(), deopt, BOT_MINUS, partCardinality[i - 1]);
Call* c = new Call(Location().introduce(), "to_enum", {vd->id(), bo});
aa = c;
}
Call* c = new Call(Location().introduce(), create_enum_to_string_name(ident, toString),
{aa, vd_ab->id(), vd_aj->id()});
if (i < parts.size() - 1) {
auto* bo = new BinOp(Location().introduce(), deopt, BOT_LQ, partCardinality[i]);
ite_cases_a.push_back(bo);
ite_cases_a.push_back(c);
} else {
ite_cases_else = c;
}
}
ITE* ite_cases = new ITE(Location().introduce(), ite_cases_a, ite_cases_else);
ITE* ite = new ITE(Location().introduce(), {if_absent, sl_absent}, ite_cases);
auto* ti_fi = new TypeInst(Location().introduce(), Type::parstring());
std::vector<VarDecl*> fi_params(3);
fi_params[0] = vd_aa;
fi_params[1] = vd_ab;
fi_params[2] = vd_aj;
auto* fi =
new FunctionI(Location().introduce(), create_enum_to_string_name(ident, "_toString_"),
ti_fi, fi_params, ite);
enumItems->addItem(fi);
/*
function string: _toString_ENUM(opt Foo: x, bool: b, bool: json) =
if occurs(x) then
if deopt(x)<=partCardinality[1] then _toString_1_ENUM(x,b,json)
elseif deopt(x)<=partCardinality[2] then _toString_2_ENUM(x,b,json)
...
endif
else "<>" endif
*/
}
{
/*
function _toString_ENUM(array[$U] of opt Foo: x, bool: b, bool: json) =
let {
array[int] of opt ENUM: xx = array1d(x)
} in "[" ++ join(", ", [ _toString_ENUM(xx[i],b,json) | i in index_set(xx) ]) ++ "]";
*/
TIId* tiid = new TIId(Location().introduce(), "U");
auto* ti_range = new TypeInst(Location().introduce(), Type::parint(), tiid);
std::vector<TypeInst*> ranges(1);
ranges[0] = ti_range;
Type tx = Type::parint(-1);
tx.ot(Type::OT_OPTIONAL);
auto* x_ti = new TypeInst(Location().introduce(), tx, ranges, ident);
auto* vd_x = new VarDecl(Location().introduce(), x_ti, "x");
vd_x->toplevel(false);
auto* b_ti = new TypeInst(Location().introduce(), Type::parbool());
auto* vd_b = new VarDecl(Location().introduce(), b_ti, "b");
vd_b->toplevel(false);
auto* j_ti = new TypeInst(Location().introduce(), Type::parbool());
auto* vd_j = new VarDecl(Location().introduce(), j_ti, "json");
vd_j->toplevel(false);
auto* xx_range = new TypeInst(Location().introduce(), Type::parint(), nullptr);
std::vector<TypeInst*> xx_ranges(1);
xx_ranges[0] = xx_range;
auto* xx_ti = new TypeInst(Location().introduce(), tx, xx_ranges, ident);
std::vector<Expression*> array1dArgs(1);
array1dArgs[0] = vd_x->id();
Call* array1dCall = new Call(Location().introduce(), "array1d", array1dArgs);
auto* vd_xx = new VarDecl(Location().introduce(), xx_ti, "xx", array1dCall);
vd_xx->toplevel(false);
auto* idx_i_ti = new TypeInst(Location().introduce(), Type::parint());
auto* idx_i = new VarDecl(Location().introduce(), idx_i_ti, "i");
idx_i->toplevel(false);
std::vector<Expression*> aa_xxi_idx(1);
aa_xxi_idx[0] = idx_i->id();
auto* aa_xxi = new ArrayAccess(Location().introduce(), vd_xx->id(), aa_xxi_idx);
std::vector<Expression*> _toString_ENUMArgs(3);
_toString_ENUMArgs[0] = aa_xxi;
_toString_ENUMArgs[1] = vd_b->id();
_toString_ENUMArgs[2] = vd_j->id();
Call* _toString_ENUM =
new Call(Location().introduce(), create_enum_to_string_name(ident, "_toString_"),
_toString_ENUMArgs);
std::vector<Expression*> index_set_xx_args(1);
index_set_xx_args[0] = vd_xx->id();
Call* index_set_xx = new Call(Location().introduce(), "index_set", index_set_xx_args);
std::vector<VarDecl*> gen_exps(1);
gen_exps[0] = idx_i;
Generator gen(gen_exps, index_set_xx, nullptr);
Generators generators;
generators.g.push_back(gen);
auto* comp = new Comprehension(Location().introduce(), _toString_ENUM, generators, false);
std::vector<Expression*> join_args(2);
join_args[0] = new StringLit(Location().introduce(), ", ");
join_args[1] = comp;
Call* join = new Call(Location().introduce(), "join", join_args);
auto* sl_open = new StringLit(Location().introduce(), "[");
auto* bopp0 = new BinOp(Location().introduce(), sl_open, BOT_PLUSPLUS, join);
auto* sl_close = new StringLit(Location().introduce(), "]");
auto* bopp1 = new BinOp(Location().introduce(), bopp0, BOT_PLUSPLUS, sl_close);
std::vector<Expression*> let_args(1);
let_args[0] = vd_xx;
Let* let = new Let(Location().introduce(), let_args, bopp1);
auto* ti_fi = new TypeInst(Location().introduce(), Type::parstring());
std::vector<VarDecl*> fi_params(3);
fi_params[0] = vd_x;
fi_params[1] = vd_b;
fi_params[2] = vd_j;
auto* fi =
new FunctionI(Location().introduce(), create_enum_to_string_name(ident, "_toString_"),
ti_fi, fi_params, let);
enumItems->addItem(fi);
}
{
/*
function _toString_ENUM(opt set of ENUM: x, bool: b, bool: json) =
if absent(x) then "<>" else "{" ++ join(", ", [ _toString_ENUM(i,b,json) | i in x ]) ++ "}"
endif;
*/
Type argType = Type::parsetenum(ident->type().enumId());
argType.ot(Type::OT_OPTIONAL);
auto* x_ti = new TypeInst(Location().introduce(), argType, ident);
auto* vd_x = new VarDecl(Location().introduce(), x_ti, "x");
vd_x->toplevel(false);
auto* b_ti = new TypeInst(Location().introduce(), Type::parbool());
auto* vd_b = new VarDecl(Location().introduce(), b_ti, "b");
vd_b->toplevel(false);
auto* j_ti = new TypeInst(Location().introduce(), Type::parbool());
auto* vd_j = new VarDecl(Location().introduce(), j_ti, "json");
vd_j->toplevel(false);
auto* idx_i_ti = new TypeInst(Location().introduce(), Type::parint());
auto* idx_i = new VarDecl(Location().introduce(), idx_i_ti, "i");
idx_i->toplevel(false);
std::vector<Expression*> _toString_ENUMArgs(3);
_toString_ENUMArgs[0] = idx_i->id();
_toString_ENUMArgs[1] = vd_b->id();
_toString_ENUMArgs[2] = vd_j->id();
Call* _toString_ENUM =
new Call(Location().introduce(), create_enum_to_string_name(ident, "_toString_"),
_toString_ENUMArgs);
std::vector<Expression*> deopt_args(1);
deopt_args[0] = vd_x->id();
Call* deopt = new Call(Location().introduce(), "deopt", deopt_args);
Call* if_absent = new Call(Location().introduce(), "absent", deopt_args);
auto* sl_absent_dzn = new StringLit(Location().introduce(), "<>");
ITE* sl_absent = new ITE(Location().introduce(),
{vd_j->id(), new StringLit(Location().introduce(), ASTString("null"))},
sl_absent_dzn);
std::vector<VarDecl*> gen_exps(1);
gen_exps[0] = idx_i;
Generator gen(gen_exps, deopt, nullptr);
Generators generators;
generators.g.push_back(gen);
auto* comp = new Comprehension(Location().introduce(), _toString_ENUM, generators, false);
std::vector<Expression*> join_args(2);
join_args[0] = new StringLit(Location().introduce(), ", ");
join_args[1] = comp;
Call* join = new Call(Location().introduce(), "join", join_args);
ITE* json_set =
new ITE(Location().introduce(),
{vd_j->id(), new StringLit(Location().introduce(), ASTString("\"set\":["))},
new StringLit(Location().introduce(), ASTString("")));
ITE* json_set_close = new ITE(
Location().introduce(), {vd_j->id(), new StringLit(Location().introduce(), ASTString("]"))},
new StringLit(Location().introduce(), ASTString("")));
auto* sl_open = new StringLit(Location().introduce(), "{");
auto* bopp0 = new BinOp(Location().introduce(), sl_open, BOT_PLUSPLUS, json_set);
auto* bopp1 = new BinOp(Location().introduce(), bopp0, BOT_PLUSPLUS, join);
auto* bopp2 = new BinOp(Location().introduce(), bopp1, BOT_PLUSPLUS, json_set_close);
auto* sl_close = new StringLit(Location().introduce(), "}");
auto* bopp3 = new BinOp(Location().introduce(), bopp2, BOT_PLUSPLUS, sl_close);
std::vector<Expression*> if_then(2);
if_then[0] = if_absent;
if_then[1] = sl_absent;
ITE* ite = new ITE(Location().introduce(), if_then, bopp3);
auto* ti_fi = new TypeInst(Location().introduce(), Type::parstring());
std::vector<VarDecl*> fi_params(3);
fi_params[0] = vd_x;
fi_params[1] = vd_b;
fi_params[2] = vd_j;
auto* fi =
new FunctionI(Location().introduce(), create_enum_to_string_name(ident, "_toString_"),
ti_fi, fi_params, ite);
enumItems->addItem(fi);
}
{
/*
function _toString_ENUM(array[$U] of opt set of ENUM: x, bool: b, bool: json) =
let {
array[int] of opt set of ENUM: xx = array1d(x)
} in "[" ++ join(", ", [ _toString_ENUM(xx[i],b,json) | i in index_set(xx) ]) ++ "]";
*/
TIId* tiid = new TIId(Location().introduce(), "U");
auto* ti_range = new TypeInst(Location().introduce(), Type::parint(), tiid);
std::vector<TypeInst*> ranges(1);
ranges[0] = ti_range;
Type tx = Type::parsetint(-1);
tx.ot(Type::OT_OPTIONAL);
auto* x_ti = new TypeInst(Location().introduce(), tx, ranges, ident);
auto* vd_x = new VarDecl(Location().introduce(), x_ti, "x");
vd_x->toplevel(false);
auto* b_ti = new TypeInst(Location().introduce(), Type::parbool());
auto* vd_b = new VarDecl(Location().introduce(), b_ti, "b");
vd_b->toplevel(false);
auto* j_ti = new TypeInst(Location().introduce(), Type::parbool());
auto* vd_j = new VarDecl(Location().introduce(), j_ti, "json");
vd_j->toplevel(false);
auto* xx_range = new TypeInst(Location().introduce(), Type::parint(), nullptr);
std::vector<TypeInst*> xx_ranges(1);
xx_ranges[0] = xx_range;
auto* xx_ti = new TypeInst(Location().introduce(), tx, xx_ranges, ident);
std::vector<Expression*> array1dArgs(1);
array1dArgs[0] = vd_x->id();
Call* array1dCall = new Call(Location().introduce(), "array1d", array1dArgs);
auto* vd_xx = new VarDecl(Location().introduce(), xx_ti, "xx", array1dCall);
vd_xx->toplevel(false);
auto* idx_i_ti = new TypeInst(Location().introduce(), Type::parint());
auto* idx_i = new VarDecl(Location().introduce(), idx_i_ti, "i");
idx_i->toplevel(false);
std::vector<Expression*> aa_xxi_idx(1);
aa_xxi_idx[0] = idx_i->id();
auto* aa_xxi = new ArrayAccess(Location().introduce(), vd_xx->id(), aa_xxi_idx);
std::vector<Expression*> _toString_ENUMArgs(3);
_toString_ENUMArgs[0] = aa_xxi;
_toString_ENUMArgs[1] = vd_b->id();
_toString_ENUMArgs[2] = vd_j->id();
Call* _toString_ENUM =
new Call(Location().introduce(), create_enum_to_string_name(ident, "_toString_"),
_toString_ENUMArgs);
std::vector<Expression*> index_set_xx_args(1);
index_set_xx_args[0] = vd_xx->id();
Call* index_set_xx = new Call(Location().introduce(), "index_set", index_set_xx_args);
std::vector<VarDecl*> gen_exps(1);
gen_exps[0] = idx_i;
Generator gen(gen_exps, index_set_xx, nullptr);
Generators generators;
generators.g.push_back(gen);
auto* comp = new Comprehension(Location().introduce(), _toString_ENUM, generators, false);
std::vector<Expression*> join_args(2);
join_args[0] = new StringLit(Location().introduce(), ", ");
join_args[1] = comp;
Call* join = new Call(Location().introduce(), "join", join_args);
auto* sl_open = new StringLit(Location().introduce(), "[");
auto* bopp0 = new BinOp(Location().introduce(), sl_open, BOT_PLUSPLUS, join);
auto* sl_close = new StringLit(Location().introduce(), "]");
auto* bopp1 = new BinOp(Location().introduce(), bopp0, BOT_PLUSPLUS, sl_close);
std::vector<Expression*> let_args(1);
let_args[0] = vd_xx;
Let* let = new Let(Location().introduce(), let_args, bopp1);
auto* ti_fi = new TypeInst(Location().introduce(), Type::parstring());
std::vector<VarDecl*> fi_params(3);
fi_params[0] = vd_x;
fi_params[1] = vd_b;
fi_params[2] = vd_j;
auto* fi =
new FunctionI(Location().introduce(), create_enum_to_string_name(ident, "_toString_"),
ti_fi, fi_params, let);
enumItems->addItem(fi);
}
}
void TopoSorter::add(EnvI& env, VarDeclI* vdi, bool handleEnums, Model* enumItems) {
VarDecl* vd = vdi->e();
if (handleEnums && vd->ti()->isEnum()) {
unsigned int enumId = env.registerEnum(vdi);
Type vdt = vd->type();
vdt.enumId(enumId);
vd->ti()->type(vdt);
vd->type(vdt);
create_enum_mapper(env, model, enumId, vd, enumItems);
}
scopes.add(env, vd);
}
VarDecl* TopoSorter::get(EnvI& env, const ASTString& id_v, const Location& loc) {
GCLock lock;
Id* ident = new Id(Location(), id_v, nullptr);
VarDecl* decl = scopes.find(ident);
if (decl == nullptr) {
std::ostringstream ss;
ss << "undefined identifier `" << ident->str() << "'";
VarDecl* similar = scopes.findSimilar(ident);
if (similar != nullptr) {
ss << ", did you mean `" << *similar->id() << "'?";
}
throw TypeError(env, loc, ss.str());
}
return decl;
}
VarDecl* TopoSorter::checkId(EnvI& env, Id* ident, const Location& loc) {
VarDecl* decl = scopes.find(ident);
if (decl == nullptr) {
std::ostringstream ss;
ss << "undefined identifier `" << ident->str() << "'";
VarDecl* similar = scopes.findSimilar(ident);
if (similar != nullptr) {
ss << ", did you mean `" << *similar->id() << "'?";
}
throw TypeError(env, loc, ss.str());
}
auto pi = pos.find(decl);
if (pi == pos.end()) {
// new id
scopes.pushToplevel();
run(env, decl);
scopes.pop();
} else {
// previously seen, check if circular
if (pi->second == -1) {
std::ostringstream ss;
ss << "circular definition of `" << ident->str() << "'";
throw TypeError(env, loc, ss.str());
}
}
return decl;
}
VarDecl* TopoSorter::checkId(EnvI& env, const ASTString& id_v, const Location& loc) {
GCLock lock;
Id* id = new Id(loc, id_v, nullptr);
return checkId(env, id, loc);
}
void TopoSorter::run(EnvI& env, Expression* e) {
if (e == nullptr) {
return;
}
switch (e->eid()) {
case Expression::E_INTLIT:
case Expression::E_FLOATLIT:
case Expression::E_BOOLLIT:
case Expression::E_STRINGLIT:
case Expression::E_ANON:
break;
case Expression::E_SETLIT: {
auto* sl = e->cast<SetLit>();
if (sl->isv() == nullptr && sl->fsv() == nullptr) {
for (unsigned int i = 0; i < sl->v().size(); i++) {
run(env, sl->v()[i]);
}
}
} break;
case Expression::E_ID: {
if (e != constants().absent) {
VarDecl* vd = checkId(env, e->cast<Id>(), e->loc());
e->cast<Id>()->decl(vd);
}
} break;
case Expression::E_ARRAYLIT: {
auto* al = e->cast<ArrayLit>();
for (unsigned int i = 0; i < al->size(); i++) {
run(env, (*al)[i]);
}
} break;
case Expression::E_ARRAYACCESS: {
auto* ae = e->cast<ArrayAccess>();
run(env, ae->v());
for (unsigned int i = 0; i < ae->idx().size(); i++) {
run(env, ae->idx()[i]);
}
} break;
case Expression::E_COMP: {
auto* ce = e->cast<Comprehension>();
scopes.push();
for (int i = 0; i < ce->numberOfGenerators(); i++) {
run(env, ce->in(i));
for (int j = 0; j < ce->numberOfDecls(i); j++) {
run(env, ce->decl(i, j));
scopes.add(env, ce->decl(i, j));
}
if (ce->where(i) != nullptr) {
run(env, ce->where(i));
}
}
run(env, ce->e());
scopes.pop();
} break;
case Expression::E_ITE: {
ITE* ite = e->cast<ITE>();
for (int i = 0; i < ite->size(); i++) {
run(env, ite->ifExpr(i));
run(env, ite->thenExpr(i));
}
run(env, ite->elseExpr());
} break;
case Expression::E_BINOP: {
auto* be = e->cast<BinOp>();
std::vector<Expression*> todo;
todo.push_back(be->lhs());
todo.push_back(be->rhs());
while (!todo.empty()) {
Expression* be = todo.back();
todo.pop_back();
if (auto* e_bo = be->dynamicCast<BinOp>()) {
todo.push_back(e_bo->lhs());
todo.push_back(e_bo->rhs());
for (ExpressionSetIter it = e_bo->ann().begin(); it != e_bo->ann().end(); ++it) {
run(env, *it);
}
} else {
run(env, be);
}
}
} break;
case Expression::E_UNOP: {
UnOp* ue = e->cast<UnOp>();
run(env, ue->e());
} break;
case Expression::E_CALL: {
Call* ce = e->cast<Call>();
for (unsigned int i = 0; i < ce->argCount(); i++) {
run(env, ce->arg(i));
}
} break;
case Expression::E_VARDECL: {
auto* ve = e->cast<VarDecl>();
auto pi = pos.find(ve);
if (pi == pos.end()) {
pos.insert(std::pair<VarDecl*, int>(ve, -1));
run(env, ve->ti());
run(env, ve->e());
ve->payload(static_cast<int>(decls.size()));
decls.push_back(ve);
pi = pos.find(ve);
pi->second = static_cast<int>(decls.size()) - 1;
} else {
assert(pi->second != -1);
}
} break;
case Expression::E_TI: {
auto* ti = e->cast<TypeInst>();
for (unsigned int i = 0; i < ti->ranges().size(); i++) {
run(env, ti->ranges()[i]);
}
run(env, ti->domain());
} break;
case Expression::E_TIID:
break;
case Expression::E_LET: {
Let* let = e->cast<Let>();
scopes.push();
for (unsigned int i = 0; i < let->let().size(); i++) {
run(env, let->let()[i]);
if (auto* vd = let->let()[i]->dynamicCast<VarDecl>()) {
scopes.add(env, vd);
}
}
run(env, let->in());
VarDeclCmp poscmp(pos);
std::stable_sort(let->let().begin(), let->let().end(), poscmp);
for (unsigned int i = 0, j = 0; i < let->let().size(); i++) {
if (auto* vd = let->let()[i]->dynamicCast<VarDecl>()) {
let->letOrig()[j++] = vd->e();
for (unsigned int k = 0; k < vd->ti()->ranges().size(); k++) {
let->letOrig()[j++] = vd->ti()->ranges()[k]->domain();
}
}
}
scopes.pop();
} break;
}
if (env.ignoreUnknownIds) {
std::vector<Expression*> toDelete;
for (ExpressionSetIter it = e->ann().begin(); it != e->ann().end(); ++it) {
try {
run(env, *it);
} catch (TypeError&) {
toDelete.push_back(*it);
}
for (Expression* de : toDelete) {
e->ann().remove(de);
}
}
} else {
for (ExpressionSetIter it = e->ann().begin(); it != e->ann().end(); ++it) {
run(env, *it);
}
}
}
KeepAlive add_coercion(EnvI& env, Model* m, Expression* e, const Type& funarg_t) {
if (e->isa<ArrayAccess>() && e->type().dim() > 0) {
auto* aa = e->cast<ArrayAccess>();
// Turn ArrayAccess into a slicing operation
std::vector<Expression*> args;
args.push_back(aa->v());
args.push_back(nullptr);
std::vector<Expression*> slice;
GCLock lock;
for (unsigned int i = 0; i < aa->idx().size(); i++) {
if (aa->idx()[i]->type().isSet()) {
bool needIdxSet = true;
bool needInter = true;
if (auto* sl = aa->idx()[i]->dynamicCast<SetLit>()) {
if ((sl->isv() != nullptr) && sl->isv()->size() == 1) {
if (sl->isv()->min().isFinite() && sl->isv()->max().isFinite()) {
args.push_back(sl);
needIdxSet = false;
} else if (sl->isv()->min() == -IntVal::infinity() &&
sl->isv()->max() == IntVal::infinity()) {
needInter = false;
}
}
}
if (needIdxSet) {
std::ostringstream oss;
oss << "index_set";
if (aa->idx().size() > 1) {
oss << "_" << (i + 1) << "of" << aa->idx().size();
}
std::vector<Expression*> origIdxsetArgs(1);
origIdxsetArgs[0] = aa->v();
Call* origIdxset = new Call(aa->v()->loc(), ASTString(oss.str()), origIdxsetArgs);
FunctionI* fi = m->matchFn(env, origIdxset, false);
if (fi == nullptr) {
throw TypeError(env, e->loc(), "missing builtin " + oss.str());
}
origIdxset->type(fi->rtype(env, origIdxsetArgs, false));
origIdxset->decl(fi);
if (needInter) {
auto* inter = new BinOp(aa->idx()[i]->loc(), aa->idx()[i], BOT_INTERSECT, origIdxset);
inter->type(Type::parsetint());
args.push_back(inter);
} else {
args.push_back(origIdxset);
}
}
slice.push_back(aa->idx()[i]);
} else {
auto* bo = new BinOp(aa->idx()[i]->loc(), aa->idx()[i], BOT_DOTDOT, aa->idx()[i]);
bo->type(Type::parsetint());
slice.push_back(bo);
}
}
auto* a_slice = new ArrayLit(e->loc(), slice);
a_slice->type(Type::parsetint(1));
args[1] = a_slice;
std::ostringstream oss;
oss << "slice_" << (args.size() - 2) << "d";
Call* c = new Call(e->loc(), ASTString(oss.str()), args);
FunctionI* fi = m->matchFn(env, c, false);
if (fi == nullptr) {
throw TypeError(env, e->loc(), "missing builtin " + oss.str());
}
c->type(fi->rtype(env, args, false));
c->decl(fi);
e = c;
}
if (e->type().dim() == funarg_t.dim() &&
(funarg_t.bt() == Type::BT_BOT || funarg_t.bt() == Type::BT_TOP ||
e->type().bt() == funarg_t.bt() || e->type().bt() == Type::BT_BOT)) {
return e;
}
GCLock lock;
Call* c = nullptr;
if (e->type().dim() == 0 && funarg_t.dim() != 0) {
if (e->type().isvar()) {
throw TypeError(env, e->loc(), "cannot coerce var set into array");
}
if (e->type().isOpt()) {
throw TypeError(env, e->loc(), "cannot coerce opt set into array");
}
std::vector<Expression*> set2a_args(1);
set2a_args[0] = e;
Call* set2a = new Call(e->loc(), ASTString("set2array"), set2a_args);
FunctionI* fi = m->matchFn(env, set2a, false);
if (fi != nullptr) {
set2a->type(fi->rtype(env, set2a_args, false));
set2a->decl(fi);
e = set2a;
}
}
if (funarg_t.bt() == Type::BT_TOP || e->type().bt() == funarg_t.bt() ||
e->type().bt() == Type::BT_BOT) {
KeepAlive ka(e);
return ka;
}
std::vector<Expression*> args(1);
args[0] = e;
if (e->type().bt() == Type::BT_BOOL) {
if (funarg_t.bt() == Type::BT_INT) {
c = new Call(e->loc(), constants().ids.bool2int, args);
} else if (funarg_t.bt() == Type::BT_FLOAT) {
c = new Call(e->loc(), constants().ids.bool2float, args);
}
} else if (e->type().bt() == Type::BT_INT) {
if (funarg_t.bt() == Type::BT_FLOAT) {
c = new Call(e->loc(), constants().ids.int2float, args);
}
}
if (c != nullptr) {
FunctionI* fi = m->matchFn(env, c, false);
assert(fi);
Type ct = fi->rtype(env, args, false);
ct.cv(e->type().cv() || ct.cv());
c->type(ct);
c->decl(fi);
KeepAlive ka(c);
return ka;
}
throw TypeError(env, e->loc(),
"cannot determine coercion from type " + e->type().toString(env) + " to type " +
funarg_t.toString(env));
}
KeepAlive add_coercion(EnvI& env, Model* m, Expression* e, Expression* funarg) {
return add_coercion(env, m, e, funarg->type());
}
template <bool ignoreVarDecl>
class Typer {
private:
EnvI& _env;
Model* _model;
std::vector<TypeError>& _typeErrors;
bool _ignoreUndefined;
public:
Typer(EnvI& env, Model* model, std::vector<TypeError>& typeErrors, bool ignoreUndefined)
: _env(env), _model(model), _typeErrors(typeErrors), _ignoreUndefined(ignoreUndefined) {}
/// Check annotations when expression is finished
void exit(Expression* e) {
for (ExpressionSetIter it = e->ann().begin(); it != e->ann().end(); ++it) {
if (!(*it)->type().isAnn()) {
throw TypeError(_env, (*it)->loc(),
"expected annotation, got `" + (*it)->type().toString(_env) + "'");
}
}
}
bool enter(Expression* /*e*/) { return true; }
/// Visit integer literal
void vIntLit(const IntLit& /*i*/) {}
/// Visit floating point literal
void vFloatLit(const FloatLit& /*f*/) {}
/// Visit Boolean literal
void vBoolLit(const BoolLit& /*b*/) {}
/// Visit set literal
void vSetLit(SetLit& sl) {
Type ty;
ty.st(Type::ST_SET);
if (sl.isv() != nullptr) {
ty.bt(Type::BT_INT);
ty.enumId(sl.type().enumId());
sl.type(ty);
return;
}
if (sl.fsv() != nullptr) {
ty.bt(Type::BT_FLOAT);
sl.type(ty);
return;
}
unsigned int enumId = sl.v().size() > 0 ? sl.v()[0]->type().enumId() : 0;
for (unsigned int i = 0; i < sl.v().size(); i++) {
Type vi_t = sl.v()[i]->type();
vi_t.ot(Type::OT_PRESENT);
if (sl.v()[i] == constants().absent) {
continue;
}
if (vi_t.dim() > 0) {
throw TypeError(_env, sl.v()[i]->loc(), "set literals cannot contain arrays");
}
if (vi_t.st() == Type::ST_SET) {
throw TypeError(_env, sl.v()[i]->loc(), "set literals cannot contain sets");
}
if (vi_t.isvar()) {
ty.ti(Type::TI_VAR);
}
if (vi_t.cv()) {
ty.cv(true);
}
if (enumId != vi_t.enumId()) {
enumId = 0;
}
if (!Type::btSubtype(vi_t, ty, true)) {
if (ty.bt() == Type::BT_UNKNOWN || Type::btSubtype(ty, vi_t, true)) {
ty.bt(vi_t.bt());
} else {
throw TypeError(_env, sl.loc(), "non-uniform set literal");
}
}
}
ty.enumId(enumId);
if (ty.bt() == Type::BT_UNKNOWN) {
ty.bt(Type::BT_BOT);
} else {
if (ty.isvar() && ty.bt() != Type::BT_INT) {
if (ty.bt() == Type::BT_BOOL) {
ty.bt(Type::BT_INT);
} else {
throw TypeError(_env, sl.loc(), "cannot coerce set literal element to var int");
}
}
for (unsigned int i = 0; i < sl.v().size(); i++) {
sl.v()[i] = add_coercion(_env, _model, sl.v()[i], ty)();
}
}
sl.type(ty);
}
/// Visit string literal
void vStringLit(const StringLit& /*sl*/) {}
/// Visit identifier
void vId(Id& id) {
if (&id != constants().absent) {
assert(!id.decl()->type().isunknown());
id.type(id.decl()->type());
}
}
/// Visit anonymous variable
void vAnonVar(const AnonVar& /*v*/) {}
/// Visit array literal
void vArrayLit(ArrayLit& al) {
Type ty;
ty.dim(static_cast<int>(al.dims()));
std::vector<AnonVar*> anons;
bool haveAbsents = false;
bool haveInferredType = false;
for (unsigned int i = 0; i < al.size(); i++) {
Expression* vi = al[i];
if (vi->type().dim() > 0) {
throw TypeError(_env, vi->loc(), "arrays cannot be elements of arrays");
}
if (vi == constants().absent) {
haveAbsents = true;
}
auto* av = vi->dynamicCast<AnonVar>();
if (av != nullptr) {
ty.ti(Type::TI_VAR);
anons.push_back(av);
} else if (vi->type().isvar()) {
ty.ti(Type::TI_VAR);
}
if (vi->type().cv()) {
ty.cv(true);
}
if (vi->type().isOpt()) {
ty.ot(Type::OT_OPTIONAL);
}
if (ty.bt() == Type::BT_UNKNOWN) {
if (av == nullptr) {
if (haveInferredType) {
if (ty.st() != vi->type().st() && vi->type().ot() != Type::OT_OPTIONAL) {
throw TypeError(_env, al.loc(), "non-uniform array literal");
}
} else {
haveInferredType = true;
ty.st(vi->type().st());
}
if (vi->type().bt() != Type::BT_BOT) {
ty.bt(vi->type().bt());
ty.enumId(vi->type().enumId());
}
}
} else {
if (av == nullptr) {
if (vi->type().bt() == Type::BT_BOT) {
if (vi->type().st() != ty.st() && vi->type().ot() != Type::OT_OPTIONAL) {
throw TypeError(_env, al.loc(), "non-uniform array literal");
}
if (vi->type().enumId() != 0 && ty.enumId() != vi->type().enumId()) {
ty.enumId(0);
}
} else {
unsigned int tyEnumId = ty.enumId();
ty.enumId(vi->type().enumId());
if (Type::btSubtype(ty, vi->type(), true)) {
ty.bt(vi->type().bt());
}
if (tyEnumId != vi->type().enumId()) {
ty.enumId(0);
}
if (!Type::btSubtype(vi->type(), ty, true) || ty.st() != vi->type().st()) {
throw TypeError(_env, al.loc(), "non-uniform array literal");
}
}
}
}
}
if (ty.bt() == Type::BT_UNKNOWN) {
ty.bt(Type::BT_BOT);
if (!anons.empty()) {
throw TypeError(_env, al.loc(),
"array literal must contain at least one non-anonymous variable");
}
if (haveAbsents) {
throw TypeError(_env, al.loc(), "array literal must contain at least one non-absent value");
}
} else {
Type at = ty;
at.dim(0);
if (at.ti() == Type::TI_VAR && at.st() == Type::ST_SET && at.bt() != Type::BT_INT) {
if (at.bt() == Type::BT_BOOL) {
ty.bt(Type::BT_INT);
at.bt(Type::BT_INT);
} else {
throw TypeError(_env, al.loc(), "cannot coerce array element to var set of int");
}
}
for (auto& anon : anons) {
anon->type(at);
}
for (unsigned int i = 0; i < al.size(); i++) {
al.set(i, add_coercion(_env, _model, al[i], at)());
}
}
if (ty.enumId() != 0) {
std::vector<unsigned int> enumIds(ty.dim() + 1);
for (int i = 0; i < ty.dim(); i++) {
enumIds[i] = 0;
}
enumIds[ty.dim()] = ty.enumId();
ty.enumId(_env.registerArrayEnum(enumIds));
}
al.type(ty);
}
/// Visit array access
void vArrayAccess(ArrayAccess& aa) {
if (aa.v()->type().dim() == 0) {
if (aa.v()->type().st() == Type::ST_SET) {
Type tv = aa.v()->type();
tv.st(Type::ST_PLAIN);
tv.dim(1);
aa.v(add_coercion(_env, _model, aa.v(), tv)());
} else {
std::ostringstream oss;
oss << "array access attempted on expression of type `" << aa.v()->type().toString(_env)
<< "'";
throw TypeError(_env, aa.v()->loc(), oss.str());
}
} else if (aa.v()->isa<ArrayAccess>()) {
aa.v(add_coercion(_env, _model, aa.v(), aa.v()->type())());
}
if (aa.v()->type().dim() != aa.idx().size()) {
std::ostringstream oss;
oss << aa.v()->type().dim() << "-dimensional array accessed with " << aa.idx().size()
<< (aa.idx().size() == 1 ? " expression" : " expressions");
throw TypeError(_env, aa.v()->loc(), oss.str());
}
Type tt = aa.v()->type();
if (tt.enumId() != 0) {
const std::vector<unsigned int>& arrayEnumIds = _env.getArrayEnum(tt.enumId());
std::vector<unsigned int> newArrayEnumids;
for (unsigned int i = 0; i < arrayEnumIds.size() - 1; i++) {
Expression* aai = aa.idx()[i];
// Check if index is slice operator, and convert to correct enum type
if (auto* aai_sl = aai->dynamicCast<SetLit>()) {
if (IntSetVal* aai_isv = aai_sl->isv()) {
if (aai_isv->min() == -IntVal::infinity() && aai_isv->max() == IntVal::infinity()) {
Type aai_sl_t = aai_sl->type();
aai_sl_t.enumId(arrayEnumIds[i]);
aai_sl->type(aai_sl_t);
}
}
} else if (auto* aai_bo = aai->dynamicCast<BinOp>()) {
if (aai_bo->op() == BOT_DOTDOT) {
Type aai_bo_t = aai_bo->type();
if (auto* il = aai_bo->lhs()->dynamicCast<IntLit>()) {
if (il->v() == -IntVal::infinity()) {
// Expression is ..X, so result gets enum type of X
aai_bo_t.enumId(aai_bo->rhs()->type().enumId());
}
} else if (auto* il = aai_bo->rhs()->dynamicCast<IntLit>()) {
if (il->v() == IntVal::infinity()) {
// Expression is X.., so result gets enum type of X
aai_bo_t.enumId(aai_bo->lhs()->type().enumId());
}
}
aai_bo->type(aai_bo_t);
}
}
if (aai->type().isSet()) {
newArrayEnumids.push_back(arrayEnumIds[i]);
}
if (arrayEnumIds[i] != 0) {
if (aa.idx()[i]->type().enumId() != arrayEnumIds[i]) {
std::ostringstream oss;
oss << "array index ";
if (aa.idx().size() > 1) {
oss << (i + 1) << " ";
}
oss << "must be `" << _env.getEnum(arrayEnumIds[i])->e()->id()->str() << "', but is `"
<< aa.idx()[i]->type().toString(_env) << "'";
throw TypeError(_env, aa.loc(), oss.str());
}
}
}
if (newArrayEnumids.empty()) {
tt.enumId(arrayEnumIds[arrayEnumIds.size() - 1]);
} else {
newArrayEnumids.push_back(arrayEnumIds[arrayEnumIds.size() - 1]);
int newEnumId = _env.registerArrayEnum(newArrayEnumids);
tt.enumId(newEnumId);
}
}
int n_dimensions = 0;
bool isVarAccess = false;
bool isSlice = false;
for (unsigned int i = 0; i < aa.idx().size(); i++) {
Expression* aai = aa.idx()[i];
if (aai->isa<AnonVar>()) {
aai->type(Type::varint());
}
if ((aai->type().bt() != Type::BT_INT && aai->type().bt() != Type::BT_BOOL) ||
aai->type().dim() != 0) {
throw TypeError(_env, aa.loc(),
"array index must be `int' or `set of int', but is `" +
aai->type().toString(_env) + "'");
}
if (aai->type().isSet()) {
if (isVarAccess || aai->type().isvar()) {
throw TypeError(_env, aa.loc(),
"array slicing with variable range or index not supported");
}
isSlice = true;
aa.idx()[i] = add_coercion(_env, _model, aai, Type::varsetint())();
n_dimensions++;
} else {
aa.idx()[i] = add_coercion(_env, _model, aai, Type::varint())();
}
if (aai->type().isOpt()) {
tt.ot(Type::OT_OPTIONAL);
}
if (aai->type().isvar()) {
isVarAccess = true;
if (isSlice) {
throw TypeError(_env, aa.loc(),
"array slicing with variable range or index not supported");
}
tt.ti(Type::TI_VAR);
if (tt.bt() == Type::BT_ANN || tt.bt() == Type::BT_STRING) {
throw TypeError(_env, aai->loc(),
std::string("array access using a variable not supported for array of ") +
(tt.bt() == Type::BT_ANN ? "ann" : "string"));
}
}
tt.dim(n_dimensions);
if (aai->type().cv()) {
tt.cv(true);
}
}
aa.type(tt);
}
/// Visit array comprehension
void vComprehension(Comprehension& c) {
Type tt = c.e()->type();
typedef std::unordered_map<VarDecl*, std::pair<int, int>> genMap_t;
typedef std::unordered_map<VarDecl*, std::vector<Expression*>> whereMap_t;
genMap_t generatorMap;
whereMap_t whereMap;
int declCount = 0;
for (int i = 0; i < c.numberOfGenerators(); i++) {
for (int j = 0; j < c.numberOfDecls(i); j++) {
generatorMap[c.decl(i, j)] = std::pair<int, int>(i, declCount++);
whereMap[c.decl(i, j)] = std::vector<Expression*>();
}
Expression* g_in = c.in(i);
if (g_in != nullptr) {
const Type& ty_in = g_in->type();
if (ty_in == Type::varsetint()) {
if (!c.set()) {
tt.ot(Type::OT_OPTIONAL);
}
tt.ti(Type::TI_VAR);
tt.cv(true);
}
if (ty_in.cv()) {
tt.cv(true);
}
if (c.where(i) != nullptr) {
if (c.where(i)->type() == Type::varbool()) {
if (!c.set()) {
tt.ot(Type::OT_OPTIONAL);
}
tt.ti(Type::TI_VAR);
tt.cv(true);
} else if (c.where(i)->type() != Type::parbool()) {
throw TypeError(
_env, c.where(i)->loc(),
"where clause must be bool, but is `" + c.where(i)->type().toString(_env) + "'");
}
if (c.where(i)->type().cv()) {
tt.cv(true);
}
// Try to move parts of the where clause to earlier generators
std::vector<Expression*> wherePartsStack;
std::vector<Expression*> whereParts;
wherePartsStack.push_back(c.where(i));
while (!wherePartsStack.empty()) {
Expression* e = wherePartsStack.back();
wherePartsStack.pop_back();
if (auto* bo = e->dynamicCast<BinOp>()) {
if (bo->op() == BOT_AND) {
wherePartsStack.push_back(bo->rhs());
wherePartsStack.push_back(bo->lhs());
} else {
whereParts.push_back(e);
}
} else {
whereParts.push_back(e);
}
}
for (auto* wp : whereParts) {
class FindLatestGen : public EVisitor {
public:
int declIndex;
VarDecl* decl;
const genMap_t& generatorMap;
Comprehension* comp;
FindLatestGen(const genMap_t& generatorMap0, Comprehension* comp0)
: declIndex(-1),
decl(comp0->decl(0, 0)),
generatorMap(generatorMap0),
comp(comp0) {}
void vId(const Id& ident) {
auto it = generatorMap.find(ident.decl());
if (it != generatorMap.end() && it->second.second > declIndex) {
declIndex = it->second.second;
decl = ident.decl();
int gen = it->second.first;
while (comp->in(gen) == nullptr && gen < comp->numberOfGenerators() - 1) {
declIndex++;
gen++;
decl = comp->decl(gen, 0);
}
}
}
} flg(generatorMap, &c);
top_down(flg, wp);
whereMap[flg.decl].push_back(wp);
}
}
} else {
assert(c.where(i) != nullptr);
whereMap[c.decl(i, 0)].push_back(c.where(i));
}
}
{
GCLock lock;
Generators generators;
for (int i = 0; i < c.numberOfGenerators(); i++) {
std::vector<VarDecl*> decls;
for (int j = 0; j < c.numberOfDecls(i); j++) {
decls.push_back(c.decl(i, j));
KeepAlive c_in =
c.in(i) != nullptr ? add_coercion(_env, _model, c.in(i), c.in(i)->type()) : nullptr;
if (!whereMap[c.decl(i, j)].empty()) {
// need a generator for all the decls up to this point
Expression* whereExpr = whereMap[c.decl(i, j)][0];
for (unsigned int k = 1; k < whereMap[c.decl(i, j)].size(); k++) {
GCLock lock;
auto* bo =
new BinOp(Location().introduce(), whereExpr, BOT_AND, whereMap[c.decl(i, j)][k]);
Type bo_t = whereMap[c.decl(i, j)][k]->type().isPar() && whereExpr->type().isPar()
? Type::parbool()
: Type::varbool();
if (whereMap[c.decl(i, j)][k]->type().cv() || whereExpr->type().cv()) {
bo_t.cv(true);
}
bo->type(bo_t);
whereExpr = bo;
}
generators.g.emplace_back(decls, c_in(), whereExpr);
decls.clear();
} else if (j == c.numberOfDecls(i) - 1) {
generators.g.emplace_back(decls, c_in(), nullptr);
decls.clear();
}
}
}
c.init(c.e(), generators);
}
if (c.set()) {
if (c.e()->type().dim() != 0 || c.e()->type().st() == Type::ST_SET) {
throw TypeError(_env, c.e()->loc(),
"set comprehension expression must be scalar, but is `" +
c.e()->type().toString(_env) + "'");
}
tt.st(Type::ST_SET);
if (tt.isvar()) {
c.e(add_coercion(_env, _model, c.e(), Type::varint())());
tt.bt(Type::BT_INT);
}
} else {
if (c.e()->type().dim() != 0) {
throw TypeError(_env, c.e()->loc(), "array comprehension expression cannot be an array");
}
tt.dim(1);
if (tt.enumId() != 0) {
std::vector<unsigned int> enumIds(2);
enumIds[0] = 0;
enumIds[1] = tt.enumId();
tt.enumId(_env.registerArrayEnum(enumIds));
}
}
c.type(tt);
}
/// Visit array comprehension generator
void vComprehensionGenerator(Comprehension& c, int gen_i) {
Expression* g_in = c.in(gen_i);
if (g_in == nullptr) {
// This is an "assignment generator" (i = expr)
assert(c.where(gen_i) != nullptr);
assert(c.numberOfDecls(gen_i) == 1);
const Type& ty_where = c.where(gen_i)->type();
c.decl(gen_i, 0)->type(ty_where);
c.decl(gen_i, 0)->ti()->type(ty_where);
} else {
const Type& ty_in = g_in->type();
if (ty_in != Type::varsetint() && ty_in != Type::parsetint() && ty_in.dim() != 1) {
throw TypeError(_env, g_in->loc(),
"generator expression must be (par or var) set of int or one-dimensional "
"array, but is `" +
ty_in.toString(_env) + "'");
}
Type ty_id;
if (ty_in.dim() == 0) {
ty_id = Type::parint();
ty_id.enumId(ty_in.enumId());
} else {
ty_id = ty_in;
if (ty_in.enumId() != 0) {
const std::vector<unsigned int>& enumIds = _env.getArrayEnum(ty_in.enumId());
ty_id.enumId(enumIds.back());
}
ty_id.dim(0);
}
for (int j = 0; j < c.numberOfDecls(gen_i); j++) {
c.decl(gen_i, j)->type(ty_id);
c.decl(gen_i, j)->ti()->type(ty_id);
}
}
}
/// Visit if-then-else
void vITE(ITE& ite) {
bool mustBeBool = false;
if (ite.elseExpr() == nullptr) {
// this is an "if <cond> then <expr> endif" so the <expr> must be bool
ite.elseExpr(constants().boollit(true));
mustBeBool = true;
}
Type tret = ite.elseExpr()->type();
std::vector<AnonVar*> anons;
bool allpar = !(tret.isvar());
if (tret.isunknown()) {
if (auto* av = ite.elseExpr()->dynamicCast<AnonVar>()) {
allpar = false;
anons.push_back(av);
} else {
throw TypeError(_env, ite.elseExpr()->loc(),
"cannot infer type of expression in `else' branch of conditional");
}
}
bool allpresent = !(tret.isOpt());
bool varcond = false;
for (int i = 0; i < ite.size(); i++) {
Expression* eif = ite.ifExpr(i);
Expression* ethen = ite.thenExpr(i);
varcond = varcond || (eif->type() == Type::varbool());
if (eif->type() != Type::parbool() && eif->type() != Type::varbool()) {
throw TypeError(
_env, eif->loc(),
"expected bool conditional expression, got `" + eif->type().toString(_env) + "'");
}
if (eif->type().cv()) {
tret.cv(true);
}
if (ethen->type().isunknown()) {
if (auto* av = ethen->dynamicCast<AnonVar>()) {
allpar = false;
anons.push_back(av);
} else {
throw TypeError(_env, ethen->loc(),
"cannot infer type of expression in `then' branch of conditional");
}
} else {
if (tret.isbot() || tret.isunknown()) {
tret.bt(ethen->type().bt());
}
if (mustBeBool &&
(ethen->type().bt() != Type::BT_BOOL || ethen->type().dim() > 0 ||
ethen->type().st() != Type::ST_PLAIN || ethen->type().ot() != Type::OT_PRESENT)) {
throw TypeError(_env, ite.loc(),
std::string("conditional without `else' branch must have bool type, ") +
"but `then' branch has type `" + ethen->type().toString(_env) + "'");
}
if ((!ethen->type().isbot() && !Type::btSubtype(ethen->type(), tret, true) &&
!Type::btSubtype(tret, ethen->type(), true)) ||
ethen->type().st() != tret.st() || ethen->type().dim() != tret.dim()) {
throw TypeError(_env, ethen->loc(),
"type mismatch in branches of conditional. `then' branch has type `" +
ethen->type().toString(_env) + "', but `else' branch has type `" +
tret.toString(_env) + "'");
}
if (Type::btSubtype(tret, ethen->type(), true)) {
tret.bt(ethen->type().bt());
}
if (tret.enumId() != 0 && ethen->type().enumId() == 0) {
tret.enumId(0);
}
if (ethen->type().isvar()) {
allpar = false;
}
if (ethen->type().isOpt()) {
allpresent = false;
}
if (ethen->type().cv()) {
tret.cv(true);
}
}
}
Type tret_var(tret);
tret_var.ti(Type::TI_VAR);
for (auto& anon : anons) {
anon->type(tret_var);
}
for (int i = 0; i < ite.size(); i++) {
ite.thenExpr(i, add_coercion(_env, _model, ite.thenExpr(i), tret)());
}
ite.elseExpr(add_coercion(_env, _model, ite.elseExpr(), tret)());
/// TODO: perhaps extend flattener to array types, but for now throw an error
if (varcond && tret.dim() > 0) {
throw TypeError(_env, ite.loc(), "conditional with var condition cannot have array type");
}
if (varcond || !allpar) {
tret.ti(Type::TI_VAR);
}
if (!allpresent) {
tret.ot(Type::OT_OPTIONAL);
}
ite.type(tret);
}
/// Visit binary operator
void vBinOp(BinOp& bop) {
std::vector<Expression*> args(2);
args[0] = bop.lhs();
args[1] = bop.rhs();
if (FunctionI* fi = _model->matchFn(_env, bop.opToString(), args, true)) {
bop.lhs(add_coercion(_env, _model, bop.lhs(), fi->argtype(_env, args, 0))());
bop.rhs(add_coercion(_env, _model, bop.rhs(), fi->argtype(_env, args, 1))());
args[0] = bop.lhs();
args[1] = bop.rhs();
Type ty = fi->rtype(_env, args, true);
ty.cv(bop.lhs()->type().cv() || bop.rhs()->type().cv() || ty.cv());
bop.type(ty);
if (fi->e() != nullptr) {
bop.decl(fi);
} else {
bop.decl(nullptr);
}
if (bop.lhs()->type().isint() && bop.rhs()->type().isint() &&
(bop.op() == BOT_EQ || bop.op() == BOT_GQ || bop.op() == BOT_GR || bop.op() == BOT_NQ ||
bop.op() == BOT_LE || bop.op() == BOT_LQ)) {
Call* call = bop.lhs()->dynamicCast<Call>();
Expression* rhs = bop.rhs();
BinOpType bot = bop.op();
if (call == nullptr) {
call = bop.rhs()->dynamicCast<Call>();
rhs = bop.lhs();
switch (bop.op()) {
case BOT_LQ:
bot = BOT_GQ;
break;
case BOT_LE:
bot = BOT_GR;
break;
case BOT_GQ:
bot = BOT_LQ;
break;
case BOT_GR:
bot = BOT_LE;
break;
default:
break;
}
}
if ((call != nullptr) && (call->id() == "count" || call->id() == "sum") &&
call->type().isvar()) {
if (call->argCount() == 1 && call->arg(0)->isa<Comprehension>()) {
auto* comp = call->arg(0)->cast<Comprehension>();
auto* inner_bo = comp->e()->dynamicCast<BinOp>();
if (inner_bo != nullptr) {
if (inner_bo->op() == BOT_EQ && inner_bo->lhs()->type().isint()) {
Expression* generated = inner_bo->lhs();
Expression* comparedTo = inner_bo->rhs();
if (comp->containsBoundVariable(comparedTo)) {
if (comp->containsBoundVariable(generated)) {
comparedTo = nullptr;
} else {
std::swap(generated, comparedTo);
}
}
if (comparedTo != nullptr) {
GCLock lock;
ASTString cid;
switch (bot) {
case BOT_EQ:
cid = ASTString("count_eq");
break;
case BOT_GQ:
cid = ASTString("count_leq");
break;
case BOT_GR:
cid = ASTString("count_lt");
break;
case BOT_LQ:
cid = ASTString("count_geq");
break;
case BOT_LE:
cid = ASTString("count_gt");
break;
case BOT_NQ:
cid = ASTString("count_neq");
break;
default:
assert(false);
}
comp->e(generated);
Type ct = comp->type();
ct.bt(generated->type().bt());
comp->type(ct);
std::vector<Expression*> args({comp, comparedTo, rhs});
FunctionI* newCall_decl = _model->matchFn(_env, cid, args, true);
if (newCall_decl == nullptr) {
std::ostringstream ss;
ss << "could not replace binary operator by call to " << cid;
throw InternalError(ss.str());
}
Call* newCall = bop.morph(cid, args);
newCall->decl(newCall_decl);
}
}
}
} else if (call->argCount() == 2 && call->arg(0)->type().isIntArray() &&
call->arg(1)->type().isint()) {
GCLock lock;
ASTString cid;
switch (bot) {
case BOT_EQ:
cid = ASTString("count_eq");
break;
case BOT_GQ:
cid = ASTString("count_leq");
break;
case BOT_GR:
cid = ASTString("count_lt");
break;
case BOT_LQ:
cid = ASTString("count_geq");
break;
case BOT_LE:
cid = ASTString("count_gt");
break;
case BOT_NQ:
cid = ASTString("count_neq");
break;
default:
assert(false);
}
std::vector<Expression*> args({call->arg(0), call->arg(1), rhs});
FunctionI* newCall_decl = _model->matchFn(_env, cid, args, true);
if (newCall_decl == nullptr) {
std::ostringstream ss;
ss << "could not replace binary operator by call to " << cid;
throw InternalError(ss.str());
}
Call* newCall = bop.morph(cid, args);
newCall->decl(newCall_decl);
}
}
}
} else {
std::ostringstream ss;
ss << "type error in operator application for `" << bop.opToString()
<< "'. No matching operator found with left-hand side type `"
<< bop.lhs()->type().toString(_env) << "' and right-hand side type `"
<< bop.rhs()->type().toString(_env) << "'";
throw TypeError(_env, bop.loc(), ss.str());
}
}
/// Visit unary operator
void vUnOp(UnOp& uop) {
std::vector<Expression*> args(1);
args[0] = uop.e();
if (FunctionI* fi = _model->matchFn(_env, uop.opToString(), args, true)) {
uop.e(add_coercion(_env, _model, uop.e(), fi->argtype(_env, args, 0))());
args[0] = uop.e();
Type ty = fi->rtype(_env, args, true);
ty.cv(uop.e()->type().cv() || ty.cv());
uop.type(ty);
if (fi->e() != nullptr) {
uop.decl(fi);
}
} else {
std::ostringstream ss;
ss << "type error in operator application for `" << uop.opToString()
<< "'. No matching operator found with type `" << uop.e()->type().toString(_env) << "'";
throw TypeError(_env, uop.loc(), ss.str());
}
}
/// Visit call
void vCall(Call& call) {
std::vector<Expression*> args(call.argCount());
for (auto i = static_cast<unsigned int>(args.size()); (i--) != 0U;) {
args[i] = call.arg(i);
}
FunctionI* fi = _model->matchFn(_env, &call, true, true);
if (fi != nullptr && fi->id() == "symmetry_breaking_constraint" && fi->params().size() == 1 &&
fi->params()[0]->type().isbool()) {
GCLock lock;
call.id(ASTString("mzn_symmetry_breaking_constraint"));
fi = _model->matchFn(_env, &call, true, true);
} else if (fi != nullptr && fi->id() == "redundant_constraint" && fi->params().size() == 1 &&
fi->params()[0]->type().isbool()) {
GCLock lock;
call.id(ASTString("mzn_redundant_constraint"));
fi = _model->matchFn(_env, &call, true, true);
}
if ((fi->e() != nullptr) && fi->e()->isa<Call>()) {
Call* next_call = fi->e()->cast<Call>();
if ((next_call->decl() != nullptr) && next_call->argCount() == fi->params().size() &&
_model->sameOverloading(_env, args, fi, next_call->decl())) {
bool macro = true;
for (unsigned int i = 0; i < fi->params().size(); i++) {
if (!Expression::equal(next_call->arg(i), fi->params()[i]->id())) {
macro = false;
break;
}
}
if (macro) {
// Call is not a macro if it has a reification implementation
GCLock lock;
ASTString reif_id = _env.reifyId(fi->id());
std::vector<Type> tt(fi->params().size() + 1);
for (unsigned int i = 0; i < fi->params().size(); i++) {
tt[i] = fi->params()[i]->type();
}
tt[fi->params().size()] = Type::varbool();
macro = _model->matchFn(_env, reif_id, tt, true) == nullptr;
}
if (macro) {
call.decl(next_call->decl());
for (ExpressionSetIter esi = next_call->ann().begin(); esi != next_call->ann().end();
++esi) {
call.addAnnotation(*esi);
}
call.rehash();
fi = next_call->decl();
}
}
}
bool cv = false;
for (unsigned int i = 0; i < args.size(); i++) {
if (auto* c = call.arg(i)->dynamicCast<Comprehension>()) {
Type t_before = c->e()->type();
Type t = fi->argtype(_env, args, i);
t.dim(0);
c->e(add_coercion(_env, _model, c->e(), t)());
Type t_after = c->e()->type();
if (t_before != t_after) {
Type ct = c->type();
ct.bt(t_after.bt());
c->type(ct);
}
} else {
args[i] = add_coercion(_env, _model, call.arg(i), fi->argtype(_env, args, i))();
call.arg(i, args[i]);
}
cv = cv || args[i]->type().cv();
}
// Replace par enums with their string versions
if (call.id() == "format" || call.id() == "show" || call.id() == "showDzn" ||
call.id() == "showJSON") {
if (call.arg(call.argCount() - 1)->type().isPar()) {
unsigned int enumId = call.arg(call.argCount() - 1)->type().enumId();
if (enumId != 0U && call.arg(call.argCount() - 1)->type().dim() != 0) {
const std::vector<unsigned int>& enumIds = _env.getArrayEnum(enumId);
enumId = enumIds[enumIds.size() - 1];
}
if (enumId > 0) {
VarDecl* enumDecl = _env.getEnum(enumId)->e();
if (enumDecl->e() != nullptr) {
Id* ti_id = _env.getEnum(enumId)->e()->id();
GCLock lock;
std::vector<Expression*> args(3);
args[0] = call.arg(call.argCount() - 1);
if (args[0]->type().dim() > 1) {
std::vector<Expression*> a1dargs(1);
a1dargs[0] = args[0];
Call* array1d = new Call(Location().introduce(), ASTString("array1d"), a1dargs);
Type array1dt = args[0]->type();
array1dt.dim(1);
array1d->type(array1dt);
args[0] = array1d;
}
args[1] = constants().boollit(call.id() == "showDzn");
args[2] = constants().boollit(call.id() == "showJSON");
ASTString enumName(create_enum_to_string_name(ti_id, "_toString_"));
call.id(enumName);
call.args(args);
if (call.id() == "showDzn") {
call.id(constants().ids.show);
}
fi = _model->matchFn(_env, &call, false, true);
}
}
}
}
// Set type and decl
Type ty = fi->rtype(_env, args, true);
ty.cv(cv || ty.cv());
call.type(ty);
if (Call* deprecated = fi->ann().getCall(constants().ann.mzn_deprecated)) {
// rewrite this call into a call to mzn_deprecate(..., e)
GCLock lock;
std::vector<Expression*> params(call.argCount());
for (unsigned int i = 0; i < params.size(); i++) {
params[i] = call.arg(i);
}
Call* origCall = new Call(call.loc(), call.id(), params);
origCall->type(ty);
origCall->decl(fi);
call.id(constants().ids.mzn_deprecate);
std::vector<Expression*> args(
{new StringLit(Location(), fi->id()), deprecated->arg(0), deprecated->arg(1), origCall});
call.args(args);
FunctionI* deprecated_fi = _model->matchFn(_env, &call, false, true);
call.decl(deprecated_fi);
} else {
call.decl(fi);
}
}
/// Visit let
void vLet(Let& let) {
bool cv = false;
bool isVar = false;
for (unsigned int i = 0, j = 0; i < let.let().size(); i++) {
Expression* li = let.let()[i];
cv = cv || li->type().cv();
if (auto* vdi = li->dynamicCast<VarDecl>()) {
if (vdi->e() == nullptr && vdi->type().isSet() && vdi->type().isvar() &&
vdi->ti()->domain() == nullptr) {
std::ostringstream ss;
ss << "set element type for `" << vdi->id()->str() << "' is not finite";
_typeErrors.emplace_back(_env, vdi->loc(), ss.str());
}
if (vdi->type().isPar() && (vdi->e() == nullptr)) {
std::ostringstream ss;
ss << "let variable `" << vdi->id()->v() << "' must be initialised";
throw TypeError(_env, vdi->loc(), ss.str());
}
if (vdi->ti()->hasTiVariable()) {
std::ostringstream ss;
ss << "type-inst variables not allowed in type-inst for let variable `"
<< vdi->id()->str() << "'";
_typeErrors.emplace_back(_env, vdi->loc(), ss.str());
}
let.letOrig()[j++] = vdi->e();
for (unsigned int k = 0; k < vdi->ti()->ranges().size(); k++) {
let.letOrig()[j++] = vdi->ti()->ranges()[k]->domain();
}
}
isVar |= li->type().isvar();
}
Type ty = let.in()->type();
ty.cv(cv || ty.cv());
if (isVar && ty.bt() == Type::BT_BOOL && ty.dim() == 0) {
ty.ti(Type::TI_VAR);
}
let.type(ty);
}
/// Visit variable declaration
void vVarDecl(VarDecl& vd) {
if (ignoreVarDecl) {
if (vd.e() != nullptr) {
Type vdt = vd.ti()->type();
Type vet = vd.e()->type();
if (vdt.enumId() != 0 && vdt.dim() > 0 &&
(vd.e()->isa<ArrayLit>() || vd.e()->isa<Comprehension>() ||
(vd.e()->isa<BinOp>() && vd.e()->cast<BinOp>()->op() == BOT_PLUSPLUS))) {
// Special case: index sets of array literals and comprehensions automatically
// coerce to any enum index set
const std::vector<unsigned int>& enumIds = _env.getArrayEnum(vdt.enumId());
if (enumIds[enumIds.size() - 1] == 0) {
vdt.enumId(0);
} else {
std::vector<unsigned int> nEnumIds(enumIds.size());
for (unsigned int i = 0; i < nEnumIds.size() - 1; i++) {
nEnumIds[i] = 0;
}
nEnumIds[nEnumIds.size() - 1] = enumIds[enumIds.size() - 1];
vdt.enumId(_env.registerArrayEnum(nEnumIds));
}
} else if (vd.ti()->isEnum() && vd.e()->isa<Call>()) {
if (vd.e()->cast<Call>()->id() == "anon_enum") {
vet.enumId(vdt.enumId());
}
}
if (vd.type().isunknown()) {
vd.ti()->type(vet);
vd.type(vet);
} else if (!_env.isSubtype(vet, vdt, true)) {
if (vet == Type::bot(1) && vd.e()->isa<ArrayLit>() &&
vd.e()->cast<ArrayLit>()->size() == 0 &&
vdt.dim() != 0) { // NOLINT(bugprone-branch-clone): see TODO in other branch
// this is okay: assigning an empty array (one-dimensional) to an array variable
} else if (vd.ti()->isEnum() && vet == Type::parsetint()) {
// let's ignore this for now (TODO: add an annotation to make sure only
// compiler-generated ones are accepted)
} else {
const Location& loc = vd.e()->loc().isNonAlloc() ? vd.loc() : vd.e()->loc();
std::ostringstream ss;
ss << "initialisation value for `" << vd.id()->str()
<< "' has invalid type-inst: expected `" << vd.ti()->type().toString(_env)
<< "', actual `" << vd.e()->type().toString(_env) << "'";
_typeErrors.emplace_back(_env, loc, ss.str());
}
} else {
vd.e(add_coercion(_env, _model, vd.e(), vd.ti()->type())());
}
} else {
assert(!vd.type().isunknown());
}
} else {
vd.type(vd.ti()->type());
vd.id()->type(vd.type());
}
}
/// Visit type inst
void vTypeInst(TypeInst& ti) {
Type tt = ti.type();
bool foundEnum =
ti.ranges().size() > 0 && (ti.domain() != nullptr) && ti.domain()->type().enumId() != 0;
if (ti.ranges().size() > 0) {
bool foundTIId = false;
for (unsigned int i = 0; i < ti.ranges().size(); i++) {
TypeInst* ri = ti.ranges()[i];
assert(ri != nullptr);
if (ri->type().cv()) {
tt.cv(true);
}
if (ri->type().enumId() != 0) {
foundEnum = true;
}
if (ri->type() == Type::top()) {
// if (foundTIId) {
// throw TypeError(_env,ri->loc(),
// "only one type-inst variable allowed in array index");
// } else {
foundTIId = true;
// }
} else if (ri->type() != Type::parint()) {
assert(ri->isa<TypeInst>());
auto* riti = ri->cast<TypeInst>();
if (riti->domain() != nullptr) {
throw TypeError(_env, ri->loc(),
"array index set expression has invalid type, expected `set of int', "
"actual `set of " +
ri->type().toString(_env) + "'");
}
throw TypeError(_env, ri->loc(),
"cannot use `" + ri->type().toString(_env) +
"' as array index set (did you mean `int'?)");
}
}
tt.dim(foundTIId ? -1 : static_cast<int>(ti.ranges().size()));
}
if ((ti.domain() != nullptr) && ti.domain()->type().cv()) {
tt.cv(true);
}
if (ti.domain() != nullptr) {
if (TIId* tiid = ti.domain()->dynamicCast<TIId>()) {
if (tiid->isEnum()) {
tt.bt(Type::BT_INT);
}
} else {
if (ti.domain()->type().ti() != Type::TI_PAR || ti.domain()->type().st() != Type::ST_SET) {
throw TypeError(
_env, ti.domain()->loc().isNonAlloc() ? ti.loc() : ti.domain()->loc(),
"type-inst must be par set but is `" + ti.domain()->type().toString(_env) + "'");
}
if (ti.domain()->type().dim() != 0) {
throw TypeError(_env, ti.domain()->loc(), "type-inst cannot be an array");
}
}
}
if (tt.isunknown() && (ti.domain() != nullptr)) {
assert(ti.domain());
switch (ti.domain()->type().bt()) {
case Type::BT_INT:
case Type::BT_FLOAT:
break;
case Type::BT_BOT: {
Type tidt = ti.domain()->type();
tidt.bt(Type::BT_INT);
ti.domain()->type(tidt);
} break;
default:
throw TypeError(_env, ti.domain()->loc(), "type-inst must be int or float");
}
tt.bt(ti.domain()->type().bt());
tt.enumId(ti.domain()->type().enumId());
} else {
// assert(ti.domain()==NULL || ti.domain()->isa<TIId>());
}
if (foundEnum) {
std::vector<unsigned int> enumIds(ti.ranges().size() + 1);
for (unsigned int i = 0; i < ti.ranges().size(); i++) {
enumIds[i] = ti.ranges()[i]->type().enumId();
}
enumIds[ti.ranges().size()] = ti.domain() != nullptr ? ti.domain()->type().enumId() : 0;
int arrayEnumId = _env.registerArrayEnum(enumIds);
tt.enumId(arrayEnumId);
}
if (tt.st() == Type::ST_SET && tt.ti() == Type::TI_VAR && tt.bt() != Type::BT_INT &&
tt.bt() != Type::BT_TOP) {
throw TypeError(_env, ti.loc(), "var set element types other than `int' not allowed");
}
ti.type(tt);
}
void vTIId(TIId& id) {}
};
void typecheck(Env& env, Model* origModel, std::vector<TypeError>& typeErrors,
bool ignoreUndefinedParameters, bool allowMultiAssignment, bool isFlatZinc) {
Model* m;
if (!isFlatZinc && origModel == env.model()) {
// Combine all items into single model
auto* combinedModel = new Model;
class Combiner : public ItemVisitor {
public:
Model* m;
Combiner(Model* m0) : m(m0) {}
bool enter(Item* i) const {
if (!i->isa<IncludeI>()) {
m->addItem(i);
}
return true;
}
} _combiner(combinedModel);
iter_items(_combiner, origModel);
env.envi().originalModel = origModel;
env.envi().model = combinedModel;
m = combinedModel;
} else {
m = origModel;
}
// Topological sorting
TopoSorter ts(m);
std::vector<FunctionI*> functionItems;
std::vector<AssignI*> assignItems;
auto* enumItems = new Model;
class TSVFuns : public ItemVisitor {
public:
EnvI& env;
Model* model;
std::vector<FunctionI*>& fis;
TSVFuns(EnvI& env0, Model* model0, std::vector<FunctionI*>& fis0)
: env(env0), model(model0), fis(fis0) {}
void vFunctionI(FunctionI* i) {
(void)model->registerFn(env, i);
fis.push_back(i);
}
} _tsvf(env.envi(), m, functionItems);
iter_items(_tsvf, m);
class TSV0 : public ItemVisitor {
public:
EnvI& env;
TopoSorter& ts;
Model* model;
bool hadSolveItem;
std::vector<AssignI*>& ais;
VarDeclI* objective;
Model* enumis;
bool isFlatZinc;
TSV0(EnvI& env0, TopoSorter& ts0, Model* model0, std::vector<AssignI*>& ais0, Model* enumis0,
bool isFlatZinc0)
: env(env0),
ts(ts0),
model(model0),
hadSolveItem(false),
ais(ais0),
objective(nullptr),
enumis(enumis0),
isFlatZinc(isFlatZinc0) {}
void vAssignI(AssignI* i) { ais.push_back(i); }
void vVarDeclI(VarDeclI* i) {
ts.add(env, i, true, enumis);
// initialise new identifier counter to be larger than existing identifier
if (i->e()->id()->idn() >= 0) {
env.minId(i->e()->id()->idn());
} else if (i->e()->id()->v().beginsWith("X_INTRODUCED_") && i->e()->id()->v().endsWith("_")) {
std::string numId = i->e()->id()->v().substr(std::string("X_INTRODUCED_").size());
if (!numId.empty()) {
numId = numId.substr(0, numId.size() - 1);
if (!numId.empty()) {
int vId = -1;
try {
vId = std::stoi(numId);
} catch (std::exception&) {
}
if (vId >= 0) {
env.minId(vId);
}
}
}
}
}
void vSolveI(SolveI* si) {
if (hadSolveItem) {
throw TypeError(env, si->loc(), "Only one solve item allowed");
}
hadSolveItem = true;
if (!isFlatZinc && (si->e() != nullptr)) {
GCLock lock;
auto* ti = new TypeInst(Location().introduce(), Type());
auto* obj = new VarDecl(Location().introduce(), ti, "_objective", si->e());
si->e(obj->id());
objective = new VarDeclI(Location().introduce(), obj);
}
}
} _tsv0(env.envi(), ts, m, assignItems, enumItems, isFlatZinc);
iter_items(_tsv0, m);
if (_tsv0.objective != nullptr) {
m->addItem(_tsv0.objective);
ts.add(env.envi(), _tsv0.objective, true, enumItems);
}
for (unsigned int i = 0; i < enumItems->size(); i++) {
if (auto* ai = (*enumItems)[i]->dynamicCast<AssignI>()) {
assignItems.push_back(ai);
} else if (auto* vdi = (*enumItems)[i]->dynamicCast<VarDeclI>()) {
m->addItem(vdi);
ts.add(env.envi(), vdi, false, enumItems);
} else {
auto* fi = (*enumItems)[i]->dynamicCast<FunctionI>();
m->addItem(fi);
(void)m->registerFn(env.envi(), fi);
functionItems.push_back(fi);
}
}
auto* enumItems2 = new Model;
for (auto* ai : assignItems) {
VarDecl* vd = nullptr;
if (env.envi().ignoreUnknownIds) {
try {
vd = ts.get(env.envi(), ai->id(), ai->loc());
} catch (TypeError&) {
}
} else {
vd = ts.get(env.envi(), ai->id(), ai->loc());
}
if (vd != nullptr) {
if (vd->e() != nullptr) {
if (allowMultiAssignment) {
GCLock lock;
m->addItem(new ConstraintI(
ai->loc(),
new BinOp(ai->loc(), new Id(Location().introduce(), ai->id(), vd), BOT_EQ, ai->e())));
} else {
throw TypeError(env.envi(), ai->loc(), "multiple assignment to the same variable");
}
} else {
vd->e(ai->e());
vd->ann().add(constants().ann.rhs_from_assignment);
if (vd->ti()->isEnum()) {
create_enum_mapper(env.envi(), m, vd->ti()->type().enumId(), vd, enumItems2);
}
}
}
ai->remove();
}
for (auto& i : *enumItems2) {
if (auto* vdi = i->dynamicCast<VarDeclI>()) {
m->addItem(vdi);
ts.add(env.envi(), vdi, false, enumItems);
} else {
auto* fi = i->cast<FunctionI>();
m->addItem(fi);
(void)m->registerFn(env.envi(), fi);
functionItems.push_back(fi);
}
}
delete enumItems;
delete enumItems2;
class TSV1 : public ItemVisitor {
public:
EnvI& env;
TopoSorter& ts;
TSV1(EnvI& env0, TopoSorter& ts0) : env(env0), ts(ts0) {}
void vVarDeclI(VarDeclI* i) { ts.run(env, i->e()); }
void vAssignI(AssignI* i) {}
void vConstraintI(ConstraintI* i) { ts.run(env, i->e()); }
void vSolveI(SolveI* i) {
for (ExpressionSetIter it = i->ann().begin(); it != i->ann().end(); ++it) {
ts.run(env, *it);
}
ts.run(env, i->e());
}
void vOutputI(OutputI* i) { ts.run(env, i->e()); }
void vFunctionI(FunctionI* fi) {
ts.run(env, fi->ti());
for (unsigned int i = 0; i < fi->params().size(); i++) {
ts.run(env, fi->params()[i]);
}
for (ExpressionSetIter it = fi->ann().begin(); it != fi->ann().end(); ++it) {
ts.run(env, *it);
}
ts.scopes.pushFun();
for (unsigned int i = 0; i < fi->params().size(); i++) {
ts.scopes.add(env, fi->params()[i]);
}
ts.run(env, fi->e());
ts.scopes.pop();
}
} _tsv1(env.envi(), ts);
iter_items(_tsv1, m);
m->sortFn();
{
struct SortByPayload {
bool operator()(Item* i0, Item* i1) {
if (i0->isa<IncludeI>()) {
return !i1->isa<IncludeI>();
}
if (auto* vdi0 = i0->dynamicCast<VarDeclI>()) {
if (auto* vdi1 = i1->dynamicCast<VarDeclI>()) {
return vdi0->e()->payload() < vdi1->e()->payload();
}
return !i1->isa<IncludeI>();
}
return false;
}
} _sbp;
std::stable_sort(m->begin(), m->end(), _sbp);
}
{
Typer<false> ty(env.envi(), m, typeErrors, ignoreUndefinedParameters);
BottomUpIterator<Typer<false>> bottomUpTyper(ty);
for (auto& decl : ts.decls) {
decl->payload(0);
bottomUpTyper.run(decl->ti());
ty.vVarDecl(*decl);
}
for (auto& functionItem : functionItems) {
bottomUpTyper.run(functionItem->ti());
for (unsigned int j = 0; j < functionItem->params().size(); j++) {
bottomUpTyper.run(functionItem->params()[j]);
}
}
}
m->fixFnMap();
{
Typer<true> ty(env.envi(), m, typeErrors, ignoreUndefinedParameters);
BottomUpIterator<Typer<true>> bottomUpTyper(ty);
class TSV2 : public ItemVisitor {
private:
EnvI& _env;
Model* _m;
BottomUpIterator<Typer<true>>& _bottomUpTyper;
std::vector<TypeError>& _typeErrors;
public:
TSV2(EnvI& env0, Model* m0, BottomUpIterator<Typer<true>>& b,
std::vector<TypeError>& typeErrors)
: _env(env0), _m(m0), _bottomUpTyper(b), _typeErrors(typeErrors) {}
void vVarDeclI(VarDeclI* i) {
_bottomUpTyper.run(i->e());
if (i->e()->ti()->hasTiVariable()) {
std::ostringstream ss;
ss << "type-inst variables not allowed in type-inst for `" << i->e()->id()->str() << "'";
_typeErrors.emplace_back(_env, i->e()->loc(), ss.str());
}
VarDecl* vdi = i->e();
if (vdi->e() == nullptr && vdi->type().isSet() && vdi->type().isvar() &&
vdi->ti()->domain() == nullptr) {
std::ostringstream ss;
ss << "set element type for `" << vdi->id()->str() << "' is not finite";
_typeErrors.emplace_back(_env, vdi->loc(), ss.str());
}
if (i->e()->ann().contains(constants().ann.output_only)) {
if (vdi->e() == nullptr) {
_typeErrors.emplace_back(
_env, vdi->loc(),
"variables annotated with ::output_only must have a right hand side");
} else if (vdi->e()->type().isvar()) {
_typeErrors.emplace_back(_env, vdi->loc(),
"variables annotated with ::output_only must be par");
}
}
}
void vAssignI(AssignI* i) {
_bottomUpTyper.run(i->e());
if (!_env.isSubtype(i->e()->type(), i->decl()->ti()->type(), true)) {
std::ostringstream ss;
ss << "assignment value for `" << i->decl()->id()->str()
<< "' has invalid type-inst: expected `" << i->decl()->ti()->type().toString(_env)
<< "', actual `" << i->e()->type().toString(_env) << "'";
_typeErrors.emplace_back(_env, i->loc(), ss.str());
// Assign to "true" constant to avoid generating further errors that the parameter
// is undefined
i->decl()->e(constants().literalTrue);
}
}
void vConstraintI(ConstraintI* i) {
_bottomUpTyper.run(i->e());
if (!_env.isSubtype(i->e()->type(), Type::varbool(), true)) {
throw TypeError(_env, i->loc(),
"invalid type of constraint, expected `" +
Type::varbool().toString(_env) + "', actual `" +
i->e()->type().toString(_env) + "'");
}
}
void vSolveI(SolveI* i) {
for (ExpressionSetIter it = i->ann().begin(); it != i->ann().end(); ++it) {
_bottomUpTyper.run(*it);
if (!(*it)->type().isAnn()) {
throw TypeError(_env, (*it)->loc(),
"expected annotation, got `" + (*it)->type().toString(_env) + "'");
}
}
_bottomUpTyper.run(i->e());
if (i->e() != nullptr) {
Type et = i->e()->type();
if (et.isbool()) {
Type target_t = Type::varint();
if (et.isOpt()) {
target_t.ot(Type::OT_OPTIONAL);
}
i->e(add_coercion(_env, _env.model, i->e(), target_t)());
}
bool needOptCoercion = et.isOpt() && et.isint();
if (needOptCoercion) {
et.ot(Type::OT_PRESENT);
}
if (!(_env.isSubtype(et, Type::varint(), true) ||
_env.isSubtype(et, Type::varfloat(), true))) {
throw TypeError(_env, i->e()->loc(),
"objective has invalid type, expected int or float, actual `" +
et.toString(_env) + "'");
}
if (needOptCoercion) {
GCLock lock;
std::vector<Expression*> args(2);
args[0] = i->e();
args[1] = constants().boollit(i->st() == SolveI::ST_MAX);
Call* c = new Call(Location().introduce(), ASTString("objective_deopt_"), args);
c->decl(_env.model->matchFn(_env, c, false));
assert(c->decl());
c->type(et);
i->e(c);
}
}
}
void vOutputI(OutputI* i) {
_bottomUpTyper.run(i->e());
if (i->e()->type() != Type::parstring(1) && i->e()->type() != Type::bot(1)) {
throw TypeError(_env, i->e()->loc(),
"invalid type in output item, expected `" +
Type::parstring(1).toString(_env) + "', actual `" +
i->e()->type().toString(_env) + "'");
}
}
void vFunctionI(FunctionI* i) {
for (ExpressionSetIter it = i->ann().begin(); it != i->ann().end(); ++it) {
_bottomUpTyper.run(*it);
if (!(*it)->type().isAnn()) {
throw TypeError(_env, (*it)->loc(),
"expected annotation, got `" + (*it)->type().toString(_env) + "'");
}
}
_bottomUpTyper.run(i->ti());
_bottomUpTyper.run(i->e());
if ((i->e() != nullptr) && !_env.isSubtype(i->e()->type(), i->ti()->type(), true)) {
throw TypeError(_env, i->e()->loc(),
"return type of function does not match body, declared type is `" +
i->ti()->type().toString(_env) + "', body type is `" +
i->e()->type().toString(_env) + "'");
}
if ((i->e() != nullptr) && i->e()->type().isPar() && i->ti()->type().isvar()) {
// this is a par function declared as var, so change declared return type
Type i_t = i->ti()->type();
i_t.ti(Type::TI_PAR);
i->ti()->type(i_t);
}
if (i->e() != nullptr) {
i->e(add_coercion(_env, _m, i->e(), i->ti()->type())());
}
}
} _tsv2(env.envi(), m, bottomUpTyper, typeErrors);
iter_items(_tsv2, m);
}
class TSV3 : public ItemVisitor {
public:
EnvI& env;
Model* m;
OutputI* outputItem;
TSV3(EnvI& env0, Model* m0) : env(env0), m(m0), outputItem(nullptr) {}
void vAssignI(AssignI* i) { i->decl()->e(add_coercion(env, m, i->e(), i->decl()->type())()); }
void vOutputI(OutputI* oi) {
if (outputItem == nullptr) {
outputItem = oi;
} else {
GCLock lock;
auto* bo = new BinOp(Location().introduce(), outputItem->e(), BOT_PLUSPLUS, oi->e());
bo->type(Type::parstring(1));
outputItem->e(bo);
oi->remove();
m->setOutputItem(outputItem);
}
}
} _tsv3(env.envi(), m);
if (typeErrors.empty()) {
iter_items(_tsv3, m);
}
// Create a par version of each function that returns par and
// that has a body that can be made par
std::unordered_map<FunctionI*, std::pair<bool, std::vector<FunctionI*>>> fnsToMakePar;
for (auto& f : m->functions()) {
if (f.id() == "mzn_reverse_map_var") {
continue;
}
if (f.e() != nullptr && f.ti()->type().bt() != Type::BT_ANN) {
bool foundVar = false;
for (auto* p : f.params()) {
if (p->type().isvar()) {
foundVar = true;
break;
}
}
if (foundVar) {
// create par version of parameter types
std::vector<Type> tv;
for (auto* p : f.params()) {
Type t = p->type();
t.cv(false);
t.ti(Type::TI_PAR);
tv.push_back(t);
}
// check if specialised par version of function already exists
FunctionI* fi_par = m->matchFn(env.envi(), f.id(), tv, false);
bool parIsUsable = false;
if (fi_par != nullptr) {
bool foundVar = false;
for (auto* p : fi_par->params()) {
if (p->type().isvar()) {
foundVar = true;
break;
}
}
parIsUsable = !foundVar;
}
if (!parIsUsable) {
// check if body of f doesn't contain any free variables in lets,
// all calls in the body have par versions available,
// and all toplevel identifiers used in the body of f are par
class CheckParBody : public EVisitor {
public:
EnvI& env;
Model* m;
CheckParBody(EnvI& env0, Model* m0) : env(env0), m(m0) {}
bool isPar = true;
std::vector<FunctionI*> deps;
bool enter(Expression* e) const {
// if we have already found a var, don't continue
return isPar;
}
void vId(const Id& ident) {
if (ident.decl() != nullptr && ident.type().isvar() && ident.decl()->toplevel()) {
isPar = false;
}
}
void vLet(const Let& let) {
// check if any of the declared variables does not have a RHS
for (auto* e : let.let()) {
if (auto* vd = e->dynamicCast<VarDecl>()) {
if (vd->e() == nullptr) {
isPar = false;
break;
}
}
}
}
void vCall(const Call& c) {
if (!c.type().isAnn()) {
FunctionI* decl = c.decl();
// create par version of parameter types
std::vector<Type> tv;
for (auto* p : decl->params()) {
Type t = p->type();
t.cv(false);
t.ti(Type::TI_PAR);
tv.push_back(t);
}
// check if specialised par version of function already exists
FunctionI* decl_par = m->matchFn(env, decl->id(), tv, false);
bool parIsUsable = decl_par->ti()->type().isPar();
if (parIsUsable && decl_par->e() == nullptr && decl_par->fromStdLib()) {
parIsUsable = true;
} else if (parIsUsable) {
bool foundVar = false;
for (auto* p : decl_par->params()) {
if (p->type().isvar()) {
foundVar = true;
break;
}
}
parIsUsable = !foundVar;
}
if (!parIsUsable) {
deps.push_back(decl_par);
}
}
}
} cpb(env.envi(), m);
top_down(cpb, f.e());
if (cpb.isPar) {
fnsToMakePar.insert({&f, {false, cpb.deps}});
}
} else {
fnsToMakePar.insert({fi_par, {true, std::vector<FunctionI*>()}});
}
}
}
}
// Repeatedly remove functions whose dependencies cannot be made par
bool didRemove;
do {
didRemove = false;
std::vector<FunctionI*> toRemove;
for (auto& p : fnsToMakePar) {
for (auto* dep : p.second.second) {
if (fnsToMakePar.find(dep) == fnsToMakePar.end()) {
toRemove.push_back(p.first);
}
}
}
if (!toRemove.empty()) {
didRemove = true;
for (auto* p : toRemove) {
fnsToMakePar.erase(p);
}
}
} while (didRemove);
// Create par versions of remaining functions
if (!fnsToMakePar.empty()) {
// First step: copy and register functions
std::vector<FunctionI*> parFunctions;
CopyMap parCopyMap;
// Step 1a: enter all global declarations into copy map
class EnterGlobalDecls : public EVisitor {
public:
CopyMap& cm;
EnterGlobalDecls(CopyMap& cm0) : cm(cm0) {}
void vId(Id& ident) {
if (ident.decl() != nullptr && ident.decl()->toplevel()) {
cm.insert(ident.decl(), ident.decl());
}
}
} _egd(parCopyMap);
for (auto& p : fnsToMakePar) {
if (!p.second.first) {
for (auto* param : p.first->params()) {
top_down(_egd, param);
}
for (ExpressionSetIter i = p.first->ann().begin(); i != p.first->ann().end(); ++i) {
top_down(_egd, *i);
}
top_down(_egd, p.first->e());
}
}
// Step 1b: copy functions
for (auto& p : fnsToMakePar) {
if (!p.second.first) {
GCLock lock;
auto* cp = copy(env.envi(), parCopyMap, p.first)->cast<FunctionI>();
for (auto* v : cp->params()) {
Type vt = v->ti()->type();
vt.ti(Type::TI_PAR);
v->ti()->type(vt);
v->type(vt);
}
Type cpt(cp->ti()->type());
cpt.ti(Type::TI_PAR);
cp->ti()->type(cpt);
bool didRegister = m->registerFn(env.envi(), cp, true, false);
if (didRegister) {
m->addItem(cp);
parFunctions.push_back(cp);
}
}
}
// Second step: make function bodies par
// (needs to happen in a separate second step so that
// matchFn will find the correct par function from first step)
class MakeFnPar : public EVisitor {
public:
EnvI& env;
Model* m;
MakeFnPar(EnvI& env0, Model* m0) : env(env0), m(m0) {}
static bool enter(Expression* e) {
Type t(e->type());
t.ti(Type::TI_PAR);
t.cv(false);
e->type(t);
return true;
}
void vCall(Call& c) {
FunctionI* decl = m->matchFn(env, &c, false);
c.decl(decl);
}
void vBinOp(BinOp& bo) {
if (bo.decl() != nullptr) {
std::vector<Type> ta(2);
ta[0] = bo.lhs()->type();
ta[1] = bo.rhs()->type();
FunctionI* decl = m->matchFn(env, bo.opToString(), ta, false);
bo.decl(decl);
}
}
void vUnOp(UnOp& uo) {
if (uo.decl() != nullptr) {
std::vector<Type> ta(1);
ta[0] = uo.e()->type();
FunctionI* decl = m->matchFn(env, uo.opToString(), ta, false);
uo.decl(decl);
}
}
} _mfp(env.envi(), m);
for (auto* p : parFunctions) {
bottom_up(_mfp, p->e());
}
}
try {
m->checkFnOverloading(env.envi());
} catch (TypeError& e) {
typeErrors.push_back(e);
}
for (auto& decl : ts.decls) {
if (decl->toplevel() && decl->type().isPar() && !decl->type().isAnn() && decl->e() == nullptr) {
if (decl->type().isOpt() && decl->type().dim() == 0) {
decl->e(constants().absent);
decl->addAnnotation(constants().ann.mzn_was_undefined);
} else if (!ignoreUndefinedParameters) {
std::ostringstream ss;
ss << " symbol error: variable `" << decl->id()->str()
<< "' must be defined (did you forget to specify a data file?)";
typeErrors.emplace_back(env.envi(), decl->loc(), ss.str());
}
}
if (decl->ti()->isEnum()) {
decl->ti()->setIsEnum(false);
Type vdt = decl->ti()->type();
vdt.enumId(0);
decl->ti()->type(vdt);
}
}
for (auto vd_k : env.envi().checkVars) {
try {
VarDecl* vd;
try {
vd = ts.get(env.envi(), vd_k()->cast<VarDecl>()->id()->str(),
vd_k()->cast<VarDecl>()->loc());
} catch (TypeError&) {
if (vd_k()->cast<VarDecl>()->type().isvar()) {
continue; // var can be undefined
}
throw;
}
vd->ann().add(constants().ann.mzn_check_var);
if (vd->type().enumId() != 0) {
GCLock lock;
std::vector<unsigned int> enumIds({vd->type().enumId()});
if (vd->type().dim() > 0) {
enumIds = env.envi().getArrayEnum(vd->type().enumId());
}
std::vector<Expression*> enumIds_a(enumIds.size());
for (unsigned int i = 0; i < enumIds.size(); i++) {
if (enumIds[i] != 0) {
enumIds_a[i] = env.envi().getEnum(enumIds[i])->e()->id();
} else {
enumIds_a[i] = new SetLit(Location().introduce(), std::vector<Expression*>());
}
}
auto* enumIds_al = new ArrayLit(Location().introduce(), enumIds_a);
enumIds_al->type(Type::parsetint(1));
std::vector<Expression*> args({enumIds_al});
Call* checkEnum =
new Call(Location().introduce(), constants().ann.mzn_check_enum_var, args);
checkEnum->type(Type::ann());
checkEnum->decl(env.envi().model->matchFn(env.envi(), checkEnum, false));
vd->ann().add(checkEnum);
}
Type vdktype = vd_k()->type();
vdktype.ti(Type::TI_VAR);
if (!vd_k()->type().isSubtypeOf(vd->type(), false)) {
std::ostringstream ss;
ss << "Solution checker requires `" << vd->id()->str() << "' to be of type `"
<< vdktype.toString(env.envi()) << "'";
typeErrors.emplace_back(env.envi(), vd->loc(), ss.str());
}
} catch (TypeError& e) {
typeErrors.emplace_back(env.envi(), e.loc(),
e.msg() + " (required by solution checker model)");
}
}
}
void typecheck(Env& env, Model* m, AssignI* ai) {
std::vector<TypeError> typeErrors;
Typer<true> ty(env.envi(), m, typeErrors, false);
BottomUpIterator<Typer<true>> bottomUpTyper(ty);
bottomUpTyper.run(ai->e());
if (!typeErrors.empty()) {
throw typeErrors[0];
}
if (!env.envi().isSubtype(ai->e()->type(), ai->decl()->ti()->type(), true)) {
std::ostringstream ss;
ss << "assignment value for `" << ai->decl()->id()->str()
<< "' has invalid type-inst: expected `" << ai->decl()->ti()->type().toString(env.envi())
<< "', actual `" << ai->e()->type().toString(env.envi()) << "'";
throw TypeError(env.envi(), ai->e()->loc(), ss.str());
}
}
void output_var_desc_json(Env& env, VarDecl* vd, std::ostream& os, bool extra = false) {
os << " \"" << *vd->id() << "\" : {";
os << "\"type\" : ";
switch (vd->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;
default:
os << "\"?\"";
break;
}
if (vd->type().ot() == Type::OT_OPTIONAL) {
os << ", \"optional\" : true";
}
if (vd->type().st() == Type::ST_SET) {
os << ", \"set\" : true";
}
if (vd->type().dim() > 0) {
os << ", \"dim\" : " << vd->type().dim();
if (extra) {
os << ", \"dims\" : [";
bool had_dim = false;
ASTExprVec<TypeInst> ranges = vd->ti()->ranges();
for (auto& range : ranges) {
if (range->type().enumId() > 0) {
os << (had_dim ? "," : "") << "\""
<< *env.envi().getEnum(range->type().enumId())->e()->id() << "\"";
} else {
os << (had_dim ? "," : "") << "\"int\"";
}
had_dim = true;
}
os << "]";
if (vd->type().enumId() > 0) {
const std::vector<unsigned int>& enumIds = env.envi().getArrayEnum(vd->type().enumId());
if (enumIds.back() > 0) {
os << ", \"enum_type\" : \"" << *env.envi().getEnum(enumIds.back())->e()->id() << "\"";
}
}
}
} else {
if (extra) {
if (vd->type().enumId() > 0) {
os << ", \"enum_type\" : \"" << *env.envi().getEnum(vd->type().enumId())->e()->id() << "\"";
}
}
}
os << "}";
}
void output_model_variable_types(Env& env, Model* m, std::ostream& os,
const std::vector<std::string>& skipDirs) {
class VInfVisitor : public ItemVisitor {
public:
Env& env;
const std::vector<std::string>& skipDirs;
bool hadVar;
bool hadEnum;
std::ostringstream ossVars;
std::ostringstream ossEnums;
VInfVisitor(Env& env0, const std::vector<std::string>& skipDirs0)
: env(env0), skipDirs(skipDirs0), hadVar(false), hadEnum(false) {}
bool enter(Item* i) {
if (auto* ii = i->dynamicCast<IncludeI>()) {
std::string prefix =
ii->m()->filepath().substr(0, ii->m()->filepath().size() - ii->f().size());
for (const auto& skip_dir : skipDirs) {
if (prefix.substr(0, skip_dir.size()) == skip_dir) {
return false;
}
}
}
return true;
}
void vVarDeclI(VarDeclI* vdi) {
if (!vdi->e()->type().isAnn() && !vdi->e()->ti()->isEnum()) {
if (hadVar) {
ossVars << ",\n";
}
output_var_desc_json(env, vdi->e(), ossVars, true);
hadVar = true;
} else if (vdi->e()->type().st() == Type::ST_SET && vdi->e()->type().enumId() != 0 &&
!vdi->e()->type().isAnn()) {
if (hadEnum) {
ossEnums << ", ";
}
ossEnums << "\"" << *env.envi().getEnum(vdi->e()->type().enumId())->e()->id() << "\"";
hadEnum = true;
}
}
} _vinf(env, skipDirs);
iter_items(_vinf, m);
os << "{\"var_types\": {";
os << "\n \"vars\": {\n" << _vinf.ossVars.str() << "\n },";
os << "\n \"enums\": [" << _vinf.ossEnums.str() << "]\n";
os << "}}\n";
}
void output_model_interface(Env& env, Model* m, std::ostream& os,
const std::vector<std::string>& skipDirs) {
class IfcVisitor : public ItemVisitor {
public:
Env& env;
const std::vector<std::string>& skipDirs;
bool hadInput;
bool hadOutput;
bool hadIncludedFiles;
bool hadAddToOutput = false;
std::ostringstream ossInput;
std::ostringstream ossOutput;
std::ostringstream ossIncludedFiles;
std::string method;
bool outputItem;
IfcVisitor(Env& env0, const std::vector<std::string>& skipDirs0)
: env(env0),
skipDirs(skipDirs0),
hadInput(false),
hadOutput(false),
hadIncludedFiles(false),
method("sat"),
outputItem(false) {}
bool enter(Item* i) {
if (auto* ii = i->dynamicCast<IncludeI>()) {
std::string prefix =
ii->m()->filepath().substr(0, ii->m()->filepath().size() - ii->f().size());
for (const auto& skip_dir : skipDirs) {
if (prefix.substr(0, skip_dir.size()) == skip_dir) {
return false;
}
}
if (hadIncludedFiles) {
ossIncludedFiles << ",\n";
}
ossIncludedFiles << " \"" << Printer::escapeStringLit(ii->m()->filepath()) << "\"";
hadIncludedFiles = true;
}
return true;
}
void vVarDeclI(VarDeclI* vdi) {
VarDecl* vd = vdi->e();
if (vd->type().isPar() && !vd->type().isAnn() &&
(vd->e() == nullptr || (vd->e() == constants().absent &&
vd->ann().contains(constants().ann.mzn_was_undefined)))) {
if (hadInput) {
ossInput << ",\n";
}
output_var_desc_json(env, vd, ossInput);
hadInput = true;
} else {
bool process_var = false;
if (vd->ann().contains(constants().ann.add_to_output)) {
if (!hadAddToOutput) {
ossOutput.str("");
hadOutput = false;
}
hadAddToOutput = true;
process_var = true;
} else if (!hadAddToOutput) {
process_var =
vd->type().isvar() &&
(vd->e() == nullptr || vd->ann().contains(constants().ann.rhs_from_assignment));
}
if (process_var) {
if (hadOutput) {
ossOutput << ",\n";
}
output_var_desc_json(env, vd, ossOutput);
hadOutput = true;
}
}
}
void vSolveI(SolveI* si) {
switch (si->st()) {
case SolveI::ST_MIN:
method = "min";
break;
case SolveI::ST_MAX:
method = "max";
break;
case SolveI::ST_SAT:
method = "sat";
break;
}
}
void vOutputI(OutputI* oi) { outputItem = true; }
} _ifc(env, skipDirs);
iter_items(_ifc, m);
os << "{\n \"input\" : {\n"
<< _ifc.ossInput.str() << "\n },\n \"output\" : {\n"
<< _ifc.ossOutput.str() << "\n }";
os << ",\n \"method\": \"";
os << _ifc.method;
os << "\"";
os << ",\n \"has_output_item\": " << (_ifc.outputItem ? "true" : "false");
os << ",\n \"included_files\": [\n" << _ifc.ossIncludedFiles.str() << "\n ]";
os << "\n}\n";
}
std::string create_enum_to_string_name(Id* ident, const std::string& prefix) {
std::ostringstream ss;
if (ident->str().c_str()[0] == '\'') {
ss << "'" << prefix << ident->str().substr(1);
} else {
ss << prefix << *ident;
}
return ss.str();
}
} // namespace MiniZinc