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tamgumap.cxx
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/*
* Tamgu (탐구)
*
* Copyright 2019-present NAVER Corp.
* under BSD 3-clause
*/
/* --- CONTENTS ---
Project : Tamgu (탐구)
Version : See tamgu.cxx for the version number
filename : tamgumap.cxx
Date : 2017/09/01
Purpose : map implementation
Programmer : Claude ROUX (claude.roux@naverlabs.com)
Reviewer :
*/
#include "tamgu.h"
#include "tamgumap.h"
#include "tamgulist.h"
#include "tamguivector.h"
#include "tamgufile.h"
#include <memory>
//We need to declare once again our local definitions.
Exporting basebin_hash<mapMethod> Tamgumap::methods;
static ThreadLock classlock;
//If we have variables in our map, we create them on the fly...
//Else there might be some expected values or keys in the map...
//constant is 1, if we have only variables. At the end of the process, when constant is 1, we replace it with 0
//constant is 2, if we have only constants.
//constant is 3, it is an error... A mix of constants and variables...
//constant is 4, if we have only constants and a pipe (a split)
void TamguConstmap::Prepare(Tamgu* env, short idthread) {
evaluate = true;
Tamgu* v;
constant = 0;
for (size_t i = 0; i < values.size(); i++) {
v = keys[i];
if (v != aPIPE) {
if (v->isCallVariable()) {
if (constant == 2) {
constant = 3;
return;
}
constant = 1;
v->Put(env, aNULL, idthread);
}
else {
if (v->isVariable()) {
if (constant == 2) {
constant = 3;
return;
}
constant = 1;
v->Eval(env, aNULL, idthread);
}
else {
if (v->isConst()) {
if (constant == 1) {
constant = 3;
return;
}
}
constant = 2;
v->Prepare(env, idthread);
}
}
}
else {
if (constant == 2)
constant = 4;
}
v = values[i];
if (v->isCallVariable())
v->Put(env, aNULL, idthread);
else
if (v->isVariable())
v->Eval(env, aNULL, idthread);
else
v->Prepare(env, idthread);
}
if (constant == 1)
constant = 0;
}
bool TamguConstmap::Checkvariable() {
if (values.size() != 1)
return false;
if (values[0]->isCallVariable() && keys[0]->isCallVariable())
return true;
return false;
}
bool TamguConstmap::Setvalue(Tamgu* iter, Tamgu* value, short idthread, bool strict) {
Tamgu* k = ((TamguIteration*)iter)->IteratorKey();
keys[0]->Setaffectation(true);
value = keys[0]->Eval(aNULL, aNULL, idthread);
value->Put(aNULL, k, idthread);
values[0]->Setaffectation(true);
value = values[0]->Eval(aNULL, aNULL, idthread);
Tamgu* v = ((TamguIteration*)iter)->IteratorValue();
value->Clonevalue(v, idthread);
return true;
}
Tamgu* TamguConstmap::same(Tamgu* value) {
short idthread = globalTamgu->GetThreadid();
if (!value->isMapContainer())
return aFALSE;
Tamgu* a;
Tamgu* v;
std::unique_ptr<TamguIteration> it(value->Newiteration(false));
Locking _lock(this);
it->Begin();
for (size_t i = 0; i < values.size(); i++) {
a = keys[i];
if (a == aPIPE) {
//Then we are in a split...
//the value is a map...
a = values[i];
if (it->End() != aTRUE) {
TamguIndex idx(true);
idx.left = it->IteratorKey();
idx.right = aNULL;
v = value->Eval(aNULL, &idx, idthread);
}
else
v = value->Newinstance(idthread);
}
else {
if (it->End() == aTRUE)
return aFALSE;
v = it->IteratorKey();
if (a->isCallVariable()) {
a->Setaffectation(true);
a = a->Eval(aNULL, aNULL, idthread);
a->Putvalue(v, idthread);
}
else {
a = a->Eval(aNULL, aNULL, idthread);
if (a != aNOELEMENT && a->same(v) == aFALSE)
return aFALSE;
}
a = values[i];
v = it->IteratorValue();
}
if (a->isCallVariable()) {
a->Setaffectation(true);
a = a->Eval(aNULL, aNULL, idthread);
a->Putvalue(v, idthread);
continue;
}
if (a->isVectorContainer()) {
if (!v->isVectorContainer())
return aFALSE;
a = a->Putvalue(v, idthread);
if (a->isError())
return a;
continue;
}
if (a->isMapContainer()) {
if (!v->isMapContainer())
return aFALSE;
a = a->Putvalue(v, idthread);
if (a->isError())
return a;
continue;
}
a = a->Eval(aNULL, aNULL, idthread);
if (a != aNOELEMENT && a->same(v) == aFALSE)
return aFALSE;
it->Next();
}
return aTRUE;
}
class CleanKeys {
public:
VECTE<Tamgu*> vkeys;
void push_back(Tamgu* a) {
vkeys.push_back(a);
}
CleanKeys(Tamgu* a, char constant) {
if (constant == 2)
return;
TamguIteration* it = a->Newiteration(false);
for (it->Begin(); it->End() == aFALSE; it->Next())
vkeys.push_back(it->Key());
it->Release();
}
~CleanKeys() {
for (int i = 0; i < vkeys.last; i++)
vkeys[i]->Release();
}
inline Tamgu* operator [](long pos) {
return vkeys.vecteur[pos];
}
void remove(Tamgu* a) {
for (long i = 0; i < vkeys.last; i++) {
if (vkeys.vecteur[i]->same(a) == aTRUE) {
vkeys.vecteur[i]->Release();
vkeys.vecteur[i] = aNOELEMENT;
return;
}
}
}
Tamgu* first() {
if (vkeys.size())
return vkeys[0];
return aNOELEMENT;
}
void pop_first() {
if (vkeys.size())
vkeys.erase(0);
}
long size() {
return vkeys.last;
}
long remaining() {
long nb = 0;
for (int i = 0; i < vkeys.last; i++) {
if (vkeys[i] != aNOELEMENT)
nb++;
}
return nb;
}
};
Tamgu* TamguConstmap::Put(Tamgu* index, Tamgu* value, short idthread) {
if (!evaluate)
return this;
if (!value->isMapContainer()) {
if (index->isError())
return aRAISEERROR;
return globalTamgu->Returnerror(e_wrong_affectation, idthread);
}
if (constant == 3) {
if (index->isError())
return aRAISEERROR;
return globalTamgu->Returnerror(e_cannot_mix_constant, idthread);
}
Tamgu* a;
Tamgu* v = aNULL;
long j = 0;
//std::unique_ptr<TamguIteration> it(value->Newiteration(false));
CleanKeys vkeys(value, constant);
Locking _lock(this);
for (size_t i = 0; i < values.size(); i++) {
a = keys[i];
if (a == aPIPE) {
//Then we are in a split...
//the value is a map...
a = values[i];
if (a == aUNIVERSAL)
return this;
v = value->Newinstance(idthread);
//we store the remaining values in a new map, that will be assigned to a
if (constant) {
//In this case, we get rid of all keys that were already taken into account...
//See below in section: constant==4
for (j = 0; j < vkeys.size(); j++) {
if (vkeys[j] != aNOELEMENT)
v->Push(vkeys[j], value->Value(vkeys[j]));
}
}
else {
for (; j < vkeys.size(); j++) {
v->Push(vkeys[j], value->Value(vkeys[j]));
}
}
}
else {
if (constant) {
if (a == aUNIVERSAL) {
a = vkeys.first();
vkeys.pop_first();
}
else {
if (constant == 4)
vkeys.remove(a);
}
v = value->Value(a);
if (v == aNOELEMENT) {
if (index->isError())
return aRAISEERROR;
return globalTamgu->Returnerror(e_unknown_key, idthread);
}
a = values[i];
}
else {
if (j >= vkeys.size()) {
if (index->isError())
return aRAISEERROR;
return globalTamgu->Returnerror(e_input_map_is, idthread);
}
v = vkeys[j++];
if (a->isCallVariable()) {
a->Setaffectation(true);
a = a->Eval(aNULL, aNULL, idthread);
a->Putvalue(v, idthread);
}
else {
if (a->isVariable()) {
//Then it should have created before hand...
a = globalTamgu->Getdeclaration(a->Name(), idthread);
a->Putvalue(v, idthread);
}
else {
a = a->Eval(aNULL, aNULL, idthread);
if (a->same(v) == aFALSE) {
if (index->isError())
return aRAISEERROR;
return globalTamgu->Returnerror(e_unknown_key, idthread);
}
}
}
a = values[i];
v = value->Value(v);
}
}
if (a->isCallVariable()) {
a->Setaffectation(true);
a = a->Eval(aNULL, aNULL, idthread);
a->Putvalue(v, idthread);
continue;
}
if (a->isVariable()) {
//Then it should have created before hand...
a = globalTamgu->Getdeclaration(a->Name(), idthread);
a->Putvalue(v, idthread);
continue;
}
if (a->isVectorContainer()) {
if (!v->isVectorContainer()) {
if (index->isError())
return index;
return globalTamgu->Returnerror(e_mismatch_assignment_expecting, idthread);
}
a = a->Put(index, v, idthread);
if (a->isError())
return a;
continue;
}
if (a->isMapContainer()) {
if (!v->isMapContainer()) {
if (index->isError())
return index;
return globalTamgu->Returnerror(e_mismatch_assignment_expecting02, idthread);
}
a = a->Put(index, v, idthread);
if (a->isError())
return a;
continue;
}
a = a->Eval(aNULL, aNULL, idthread);
if (a->same(v) == aFALSE) {
if (index->isError())
return aRAISEERROR;
return globalTamgu->Returnerror(e_mismatch_assignment02, idthread);
}
}
return this;
}
Tamgu* TamguConstmap::Eval(Tamgu* index, Tamgu* value, short idthread) {
if (affectation && evaluate)
return this;
Locking _lock(this);
Tamgumap* kmap = globalTamgu->Providemap();
BLONG it;
BLONG sz = values.size();
if (isEvaluate()) {
Tamgu* k;
Tamgu* v;
for (it = 0; it < sz; it++) {
k = keys[it]->Eval(aNULL, aNULL, idthread);
v = values[it]->Eval(aNULL, aNULL, idthread);
kmap->Push(k, v);
k->Release();
v->Release();
}
}
else {
for (it = 0; it < sz; it++)
kmap->Push(keys[it], values[it]);
}
return kmap;
}
//-------------------------------------------------------------------------
//MethodInitialization will add the right references to "name", which is always a new method associated to the object we are creating
void Tamgumap::AddMethod(TamguGlobal* global, string name, mapMethod func, unsigned long arity, string infos) {
short idname = global->Getid(name);
methods[idname] = func;
if (global->infomethods.find(a_map) != global->infomethods.end() &&
global->infomethods[a_map].find(name) != global->infomethods[a_map].end())
return;
global->infomethods[a_map][name] = infos;
global->RecordArity(a_map, idname, arity);
global->RecordArity(a_constmap, idname, arity);
}
void Tamgumap::Setidtype(TamguGlobal* global) {
Locking lock(classlock);
if (Tamgumap::methods.isEmpty())
Tamgumap::InitialisationModule(global,"");
}
bool Tamgumap::InitialisationModule(TamguGlobal* global, string version) {
methods.clear();
Tamgumap::AddMethod(global, "clear", &Tamgumap::MethodClear, P_NONE, "clear(): clear the container.");
Tamgumap::AddMethod(global, "read", &Tamgumap::MethodRead, P_ONE, "read(string path): Read the content of a file into the container.");
Tamgumap::AddMethod(global, "items", &Tamgumap::MethodItems, P_NONE, "items(): Return a vector of {key:value} pairs.");
Tamgumap::AddMethod(global, "invert", &Tamgumap::MethodInvert, P_NONE, "invert(): return a map with key/value inverted.");
Tamgumap::AddMethod(global, "find", &Tamgumap::MethodFind, P_ONE, "find(value): test if a value belongs to the map and return 'true' or the corresponding keys.");
Tamgumap::AddMethod(global, "join", &Tamgumap::MethodJoin, P_TWO, "join(string sepkey,string sepvalue): Produce a string representation for the container.");
global->returntypes[global->Getid("join")] = a_string;
Tamgumap::AddMethod(global, "test", &Tamgumap::MethodTest, P_ONE, "test(key): Test if key belongs to the map container.");
Tamgumap::AddMethod(global, "keys", &Tamgumap::MethodKeys, P_NONE, "keys(): Return the map container keys as a vector.");
global->returntypes[global->Getid("keys")] = a_vector;
Tamgumap::AddMethod(global, "values", &Tamgumap::MethodValues, P_NONE, "values(): Return the map container values as a vector.");
global->returntypes[global->Getid("values")] = a_vector;
Tamgumap::AddMethod(global, "sum", &Tamgumap::MethodSum, P_NONE, "sum(): return the sum of elements.");
global->returntypes[global->Getid("sum")] = a_float;
Tamgumap::AddMethod(global, "product", &Tamgumap::MethodProduct, P_NONE, "product(): return the product of elements.");
global->returntypes[global->Getid("product")] = a_float;
Tamgumap::AddMethod(global, "pop", &Tamgumap::MethodPop, P_ONE, "pop(key): Erase an element from the map");
Tamgumap::AddMethod(global, "merge", &Tamgumap::MethodMerge, P_ONE, "merge(v): Merge v into the vector.");
if (version != "") {
global->minimal_indexes[a_map] = true;
global->newInstance[a_map] = new Tamgumap(global);
global->RecordCompatibilities(a_map);
global->newInstance[a_constmap] = new TamguConstmap(global);
global->RecordCompatibilities(a_constmap);
}
return true;
}
Exporting TamguIteration* Tamgumap::Newiteration(bool direction) {
return new TamguIterationmap(this, direction);
}
Tamgu* Tamgumap::MethodRead(Tamgu* contextualpattern, short idthread, TamguCall* callfunc) {
//The separator between values
string s = callfunc->Evaluate(0, contextualpattern, idthread)->String();
Tamgufile file;
#ifdef WIN32
fopen_s(&file.thefile, STR(s), "rb");
#else
file.thefile=fopen(STR(s), "rb");
#endif
if (file.thefile == NULL) {
string msg="Cannot open the file:";
msg += s;
return globalTamgu->Returnerror(msg, idthread);
}
file.readin(s, -1);
Trim(s);
Clear();
locking();
contextualpattern = globalTamgu->EvaluateMap(this, s, idthread);
unlocking();
return contextualpattern;
}
Exporting Tamgu* Tamgumap::in(Tamgu* context, Tamgu* a, short idthread) {
//Three cases along the container type...
//It is a Boolean, we expect false or true
//It is an integer, we expect a position in v
//It is a container, we are looking for all positions...
string val = a->String();
if (context->isVectorContainer()) {
Tamgusvector* v = (Tamgusvector*)Selectasvector(context);
Doublelocking _lock(this, v);
try {
values.at(val);
v->values.push_back(val);
}
catch(const std::out_of_range& oor) {}
return v;
}
if (context->isString()) {
locking();
try {
values.at(val);
unlocking();
return globalTamgu->Providewithstring(val);
}
catch(const std::out_of_range& oor) {
unlocking();
return aNOELEMENT;
}
}
locking();
try {
values.at(val);
unlocking();
return aTRUE;
}
catch(const std::out_of_range& oor) {
unlocking();
return aFALSE;
}
}
Exporting Tamgu* Tamgumap::MethodFind(Tamgu* context, short idthread, TamguCall* callfunc) {
//Three cases along the container type...
//It is a Boolean, we expect false or true
//It is an integer, we expect a position in v
//It is a container, we are looking for all positions...
Tamgu* a = callfunc->Evaluate(0, context, idthread);
if (context->isBoolean()) {
Locking _lock(this);
for (const auto& it : values) {
if (it.second->same(a) == aTRUE)
return aTRUE;
}
return aFALSE;
}
if (context->isVectorContainer()) {
Tamgusvector* v = (Tamgusvector*)Selectasvector(context);
Doublelocking _lock(this, v);
for (const auto& it : values) {
if (it.second->same(a) == aTRUE)
v->values.push_back(it.first);
}
return v;
}
Locking _lock(this);
for (const auto& it : values) {
if (it.second->same(a) == aTRUE)
return globalTamgu->Providestring(it.first);
}
return aNULL;
}
Exporting void Tamgumap::Cleanreference(short inc) {
locking();
for (auto& a : values)
a.second->Removecontainerreference(inc);
unlocking();
}
Exporting void Tamgumap::Setreference(short inc) {
reference += inc;
if (globalTamgu->threadMODE) {
locking();
protect = false;
for (const auto& it : values)
it.second->Addreference(investigate,inc);
unlocking();
return;
}
protect = false;
for (const auto& it : values)
it.second->Addreference(investigate,inc);
}
Exporting void Tamgumap::Setreference() {
++reference;
if (globalTamgu->threadMODE) {
locking();
protect = false;
for (const auto& it : values)
it.second->Addreference(investigate,1);
unlocking();
return;
}
protect = false;
for (const auto& it : values)
it.second->Addreference(investigate,1);
}
static inline void resetMap(Tamgumap* kmap, short inc) {
kmap->reference -= inc;
if (globalTamgu->threadMODE) {
kmap->locking();
for (const auto& itx : kmap->values)
itx.second->Removereference(inc);
kmap->unlocking();
return;
}
for (const auto& itx : kmap->values)
itx.second->Removereference(inc);
}
Exporting void Tamgumap::Resetreference(short inc) {
if ((reference + containerreference - inc) > 0)
resetMap(this, inc);
else {
resetMap(this, inc + 1 - protect);
if (!protect) {
if (idtracker != -1)
globalTamgu->RemoveFromTracker(idtracker);
delete this;
}
}
}
Exporting void Tamgumapbuff::Resetreference(short inc) {
if ((reference + containerreference - inc) > 0)
resetMap(this, inc);
else {
resetMap(this, inc + 1 - protect);
if (!protect) {
reference = 0;
protect = true;
values.clear();
if (!globalTamgu->threadMODE && used)
globalTamgu->mapempties.push_back(idx);
used = false;
}
}
}
Exporting Tamgu* Tamgumap::Push(Tamgu* k, Tamgu* v) {
locking();
string s = k->String();
k = values[s];
if (k != NULL) {
if (k == v)
return this;
k->Removereference(reference + 1);
}
v = v->Atom();
values[s] = v;
unlocking();
v->Addreference(investigate,reference+1);
return aTRUE;
}
Exporting Tamgu* Tamgumap::Pop(Tamgu* kkey) {
string k = kkey->String();
locking();
try {
kkey = values.at(k);
values.erase(k);
unlocking();
kkey->Removereference(reference + 1);
return aTRUE;
}
catch (const std::out_of_range& oor) {
unlocking();
return aFALSE;
}
}
Exporting void Tamgumap::Clear() {
if (globalTamgu->threadMODE) {
locking();
for (const auto& itx : values)
itx.second->Removereference(reference + 1);
values.clear();
unlocking();
return;
}
for (const auto& itx : values)
itx.second->Removereference(reference + 1);
values.clear();
}
Exporting string Tamgumap::String() {
if (!lockingmark())
return("{...}");
stringstream res;
res << "{";
bool beg = true;
string sx;
for (const auto& it : values) {
if (beg == false)
res << ",";
beg = false;
sx = it.first;
stringing(res, sx);
res << ":";
sx = it.second->StringToDisplay();
if (!it.second->isString() || it.second->isContainer())
res << sx;
else
stringing(res, sx);
}
res << "}";
unlockingmark();
return res.str();
}
Exporting string Tamgumap::JSonString() {
if (!lockingmark())
return("");
stringstream res;
res << "{";
bool beg = true;
string sx;
for (const auto& it : values) {
if (beg == false)
res << ",";
beg = false;
sx = it.first;
jstringing(res, sx);
res << ":" << it.second->JSonString();
}
unlockingmark();
res << "}";
return res.str();
}
Exporting long Tamgumap::Integer() {
locking();
long sz = values.size();
unlocking();
return sz;
}
Exporting double Tamgumap::Float() {
locking();
long sz = values.size();
unlocking();
return sz;
}
Exporting BLONG Tamgumap::Long() {
locking();
long sz = values.size();
unlocking();
return sz;
}
Exporting bool Tamgumap::Boolean() {
locking();
bool b = values.empty();
unlocking();
return !b;
}
//Basic operations
Exporting long Tamgumap::Size() {
locking();
long sz = values.size();
unlocking();
return sz;
}
Tamgu* Tamgumap::Put(Tamgu* idx, Tamgu* ke, short idthread) {
if (!idx->isIndex()) {
if (ke == this)
return aTRUE;
if (ke->isNULL()) {
Clear();
return aTRUE;
}
if (ke->isMapContainer()) {
Doublelocking _lock(this, ke);
Clear();
TamguIteration* itr = ke->Newiteration(false);
for (itr->Begin(); itr->End() == aFALSE; itr->Next())
Push(itr->Keystring(), itr->Value());
itr->Release();
return aTRUE;
}
char ch[20];
if (ke->isVectorContainer()) {
Doublelocking _lock(this, ke);
Clear();
long nb = 0;
for (long it = 0; it < ke->Size(); ++it) {
sprintf_s(ch, 20, "%ld", nb);
Push(ch, ke->getvalue(it));
nb++;
}
return aTRUE;
}
if (ke->Type() == a_list) {
Doublelocking _lock(this, ke);
Tamgulist* kvect = (Tamgulist*)ke;
Clear();
long nb = 0;
for (const auto& it : kvect->values) {
sprintf_s(ch, 20, "%ld", nb);
Push(ch, it);
nb++;
}
return aTRUE;
}
if (ke->isString()) {
Clear();
string s;
ke->Setstring(s,idthread);
locking();
ke = globalTamgu->EvaluateMap(this, s, idthread);
unlocking();
if (ke->isError())
return ke;
return aTRUE;
}
ke = ke->Map(idthread);
if (!ke->isMapContainer())
return globalTamgu->Returnerror(e_wrong_map_initialization, idthread);
Clear();
locking();
if (ke->Type() == a_map) {
Tamgumap* kmap = (Tamgumap*)ke;
//We copy all values from ke to this
for (const auto& it : kmap->values)
Push(it.first, it.second);
}
else {
TamguIteration* itr = ke->Newiteration(false);
Tamgu* a;
for (itr->Begin(); itr->End() != aTRUE; itr->Next()) {
a=itr->IteratorValue();
a=a->Atom();
values[itr->Keystring()] = a;
a->Addreference(investigate,reference+1);
}
itr->Release();
}
ke->Release();
unlocking();
return aTRUE;
}
string skey;
((TamguIndex*)idx)->left->Setstring(skey, idthread);
pushing(skey, ke);
return aTRUE;
}
Tamgu* Tamgumap::EvalWithSimpleIndex(Tamgu* key, short idthread, bool sign) {
string skey;
key->Setstring(skey, idthread);
if (globalTamgu->threadMODE) {
locking();
key = values[skey];
if (key == NULL) {
if (globalTamgu->erroronkey) {
unlocking();
return globalTamgu->Returnerror(e_wrong_index, idthread);
}
values.erase(skey);
key = aNOELEMENT;
}
unlocking();
return key;
}
key = values[skey];
if (key == NULL) {
if (globalTamgu->erroronkey)
return globalTamgu->Returnerror(e_wrong_index, idthread);
values.erase(skey);
key = aNOELEMENT;
}
return key;
}
Tamgu* Tamgumap::Eval(Tamgu* contextualpattern, Tamgu* idx, short idthread) {
if (!idx->isIndex()) {
//particular case, the contextualpattern is a vector, which means that we expect a set of keys
//as a result
if (contextualpattern->isMapContainer())
return this;
//particular case, the contextualpattern is a vector, which means that we expect a set of keys
//as a result
if (contextualpattern->isVectorContainer() || contextualpattern->Type() == a_list) {
Tamgu* vect = contextualpattern->Newinstance(idthread);
locking();
for (const auto& it : values)
vect->Push(globalTamgu->Providestring(it.first));
unlocking();