PhpConst::PhpConst(const folly::dynamic& cns,
fbstring cls /* = "" */) :
m_constant(cns),
m_name(cns["name"].asString()),
m_className(cls) {
if (!parseType(cns) && !inferType(cns)) {
// Constant has neither explicit type nor implicit type from 'value'
assert(false);
m_kindOf = KindOfInvalid;
m_cppType = "void";
}
// Override typeString()'s selection for string values
if (m_kindOf == KindOfString) {
m_cppType = "HPHP::StaticString";
}
}
scalar WeightedAverage::defuzzify(const Term* term,
scalar minimum, scalar maximum) const {
const Accumulated* fuzzyOutput = dynamic_cast<const Accumulated*> (term);
if (not fuzzyOutput) {
std::ostringstream ss;
ss << "[defuzzification error]"
<< "expected an Accumulated term instead of"
<< "<" << term->toString() << ">";
throw fl::Exception(ss.str(), FL_AT);
}
minimum = fuzzyOutput->getMinimum();
maximum = fuzzyOutput->getMaximum();
scalar sum = 0.0;
scalar weights = 0.0;
if (not fuzzyOutput->getAccumulation()) {
Type type = _type;
for (int i = 0; i < fuzzyOutput->numberOfTerms(); ++i) {
Activated* activated = fuzzyOutput->getTerm(i);
scalar w = activated->getDegree();
if (type == Automatic) type = inferType(activated->getTerm());
scalar z = (type == TakagiSugeno)
//? activated.getTerm()->membership(fl::nan) Would ensure no Tsukamoto applies, but Inverse Tsukamoto with Functions would not work.
? activated->getTerm()->membership(w) //Provides Takagi-Sugeno and Inverse Tsukamoto of Functions
: tsukamoto(activated->getTerm(), w, minimum, maximum);
sum += w * z;
weights += w;
}
} else {
typedef std::map<const Term*, std::vector<Activated*> > TermGroup;
TermGroup groups;
for (int i = 0; i < fuzzyOutput->numberOfTerms(); ++i) {
Activated* value = fuzzyOutput->getTerm(i);
const Term* key = value->getTerm();
groups[key].push_back(value);
}
TermGroup::const_iterator it = groups.begin();
Type type = _type;
while (it != groups.end()) {
const Term* activatedTerm = it->first;
scalar accumulatedDegree = 0.0;
for (std::size_t i = 0; i < it->second.size(); ++i)
accumulatedDegree = fuzzyOutput->getAccumulation()->compute(
accumulatedDegree, it->second.at(i)->getDegree());
if (type == Automatic) type = inferType(activatedTerm);
scalar z = (type == TakagiSugeno)
//? activated.getTerm()->membership(fl::nan) Would ensure no Tsukamoto applies, but Inverse Tsukamoto with Functions would not work.
? activatedTerm->membership(accumulatedDegree) //Provides Takagi-Sugeno and Inverse Tsukamoto of Functions
: tsukamoto(activatedTerm, accumulatedDegree, minimum, maximum);
sum += accumulatedDegree * z;
weights += accumulatedDegree;
++it;
}
}
return sum / weights;
}
LEXEME *expression_lambda(LEXEME *lex, SYMBOL *funcsp, TYPE *atp, TYPE **tp, EXPRESSION **exp, int flags)
{
LAMBDA *self;
SYMBOL *vpl, *ths;
HASHREC *hrl;
TYPE *ltp;
STRUCTSYM ssl;
if (funcsp)
funcsp->noinline = TRUE;
IncGlobalFlag();
self = Alloc(sizeof(LAMBDA));
ltp = Alloc(sizeof(TYPE));
ltp->type = bt_struct;
ltp->syms = CreateHashTable(1);
ltp->tags = CreateHashTable(1);
ltp->size = 0;
self->captured = CreateHashTable(1);
self->oldSyms = localNameSpace->syms;
self->oldTags = localNameSpace->tags;
self->index = lambdaIndex;
self->captureMode = cmNone;
self->isMutable = FALSE;
self->captureThis = FALSE;
self->cls = makeID(sc_type, ltp, NULL, LambdaName());
ltp->sp = self->cls;
SetLinkerNames(self->cls, lk_cdecl);
self->cls->islambda = TRUE;
self->cls->structAlign = getAlign(sc_global, &stdpointer);
self->func = makeID(sc_member, ltp, NULL, "$internalFunc");
self->func->parentClass = self->cls;
self->functp = &stdauto;
self->enclosingFunc = theCurrentFunc;
if (lambdas)
lambdas->prev = self;
self->next = lambdas;
lambdas = self;
localNameSpace->syms = CreateHashTable(1);
localNameSpace->tags = CreateHashTable(1);
if (lambdas->next)
{
self->lthis = lambdas->next->lthis;
}
else if (funcsp && funcsp->parentClass)
{
self->lthis = ((SYMBOL *)funcsp->tp->syms->table[0]->p);
}
lex = getsym(); // past [
if (funcsp)
{
// can have a capture list;
if (MATCHKW(lex, assign))
{
lex = getsym();
if (MATCHKW(lex, comma) || MATCHKW(lex, closebr))
{
self->captureMode = cmValue;
skip(&lex, comma);
}
else
{
lex = backupsym();
}
}
else if (MATCHKW(lex, and))
{
lex = getsym();
if (MATCHKW(lex, comma) || MATCHKW(lex, closebr))
{
self->captureMode = cmRef;
skip(&lex, comma);
}
else
{
lex = backupsym();
}
}
if (!MATCHKW(lex, comma) && !MATCHKW(lex, closebr))
{
do
{
enum e_cm localMode = self->captureMode;
if (MATCHKW(lex, comma))
skip(&lex, comma);
if (MATCHKW(lex, kw_this))
{
lex = getsym();
if (localMode == cmValue || !self->lthis)
{
error(ERR_CANNOT_CAPTURE_THIS);
}
else
{
if (self->captureThis)
{
error(ERR_CAPTURE_ITEM_LISTED_MULTIPLE_TIMES);
}
self->captureThis = TRUE;
lambda_capture(NULL, cmThis, TRUE);
}
continue;
}
else if (MATCHKW(lex, and))
{
if (localMode == cmRef)
{
error(ERR_INVALID_LAMBDA_CAPTURE_MODE);
}
localMode = cmRef;
lex = getsym();
}
else
{
if (localMode == cmValue)
{
error(ERR_INVALID_LAMBDA_CAPTURE_MODE);
}
localMode = cmValue;
}
if (ISID(lex))
{
SYMBOL *sp = search(lex->value.s.a, localNameSpace->syms);
LAMBDA *current = lambdas;
while (current && !sp)
{
sp = search(lex->value.s.a, current->oldSyms);
current = current->next;
}
lex = getsym();
if (sp)
{
if (sp->packed)
{
if (!MATCHKW(lex, ellipse))
error(ERR_PACK_SPECIFIER_REQUIRED_HERE);
else
lex = getsym();
}
if (sp->packed)
{
int n;
TEMPLATEPARAMLIST * templateParam = sp->tp->templateParam->p->byPack.pack;
HASHREC *hr;
for (n=0; templateParam; templateParam = templateParam->next, n++);
hr = funcsp->tp->syms->table[0];
while (hr && ((SYMBOL *)hr->p) != sp)
hr = hr->next;
while (hr && n)
{
lambda_capture((SYMBOL *)hr->p, localMode, TRUE);
hr = hr->next;
n--;
}
}
else
{
lambda_capture(sp, localMode, TRUE);
}
}
else
errorstr(ERR_UNDEFINED_IDENTIFIER, lex->value.s.a);
}
else
{
error(ERR_INVALID_LAMBDA_CAPTURE_MODE);
}
} while (MATCHKW(lex, comma));
}
needkw(&lex, closebr);
}
else
{
if (!MATCHKW(lex, closebr))
{
error(ERR_LAMBDA_CANNOT_CAPTURE);
}
else
{
lex = getsym();
}
}
if (MATCHKW(lex, openpa))
{
TYPE *tpx = &stdvoid;
HASHREC *hr;
lex = getFunctionParams(lex, NULL, &self->func, &tpx, FALSE, sc_auto);
self->funcargs = self->func->tp->syms->table[0];
hr = self->func->tp->syms->table[0];
while (hr)
{
SYMBOL *sym = (SYMBOL *)hr->p;
if (sym->init)
{
error(ERR_CANNOT_DEFAULT_PARAMETERS_WITH_LAMBDA);
}
hr = hr->next;
}
if (MATCHKW(lex, kw_mutable))
{
HASHREC *hr = self->captured->table[0];
while (hr)
{
LAMBDASP *lsp = (LAMBDASP *)hr->p;
if (lsp->sym->lambdaMode == cmValue)
{
lsp->sym->tp = basetype(lsp->sym->tp);
}
hr = hr->next;
}
self->isMutable = TRUE;
lex = getsym();
}
ParseAttributeSpecifiers(&lex, funcsp, TRUE);
if (MATCHKW(lex, pointsto))
{
lex = getsym();
lex = get_type_id(lex, &self->functp, funcsp, sc_cast, FALSE, TRUE);
}
}
else
{
TYPE *tp1 = Alloc(sizeof(TYPE));
SYMBOL *spi;
tp1->type = bt_func;
tp1->size = getSize(bt_pointer);
tp1->btp = &stdvoid;
tp1->sp = self->func;
self->func->tp = tp1;
spi = makeID(sc_parameter, tp1, NULL, AnonymousName());
spi->anonymous = TRUE;
spi->tp = Alloc(sizeof(TYPE));
spi->tp->type = bt_void;
insert(spi, localNameSpace->syms);
SetLinkerNames(spi, lk_cpp);
self->func->tp->syms = localNameSpace->syms;
self->funcargs = self->func->tp->syms->table[0];
self->func->tp->syms->table[0] = NULL;
}
vpl = makeID(sc_parameter, &stdpointer, NULL, AnonymousName());
vpl->assigned = vpl->used = TRUE;
SetLinkerNames(vpl, lk_cdecl);
hrl = Alloc(sizeof(HASHREC));
hrl->p = (struct _hrintern_ *)vpl;
hrl->next = lambdas->func->tp->syms->table[0];
lambdas->func->tp->syms->table[0] = hrl;
vpl = makeID(sc_parameter, &stdpointer, NULL, AnonymousName());
vpl->assigned = vpl->used = TRUE;
SetLinkerNames(vpl, lk_cdecl);
hrl = Alloc(sizeof(HASHREC));
hrl->p = (struct _hrintern_ *)vpl;
hrl->next = lambdas->func->tp->syms->table[0];
lambdas->func->tp->syms->table[0] = hrl;
SetLinkerNames(lambdas->func, lk_cdecl);
injectThisPtr(lambdas->func, basetype(lambdas->func->tp)->syms);
lambdas->func->tp->btp = self->functp;
lambdas->func->linkage = lk_virtual;
lambdas->func->isInline = TRUE;
ssl.str = self->cls;
ssl.tmpl = NULL;
addStructureDeclaration(&ssl);
ths = makeID(sc_member, &stdpointer, NULL, "$this");
lambda_insert(ths, lambdas);
if (MATCHKW(lex, begin))
{
lex = body(lex, self->func);
}
else
{
error(ERR_LAMBDA_FUNCTION_BODY_EXPECTED);
}
dropStructureDeclaration();
localNameSpace->syms = self->oldSyms;
localNameSpace->tags = self->oldTags;
inferType();
finishClass();
*exp = createLambda(0);
*tp = lambdas->cls->tp;
lambdas = lambdas->next;
if (lambdas)
lambdas->prev = NULL;
DecGlobalFlag();
return lex;
}
