Func* FuncEmitter::create(Unit& unit, PreClass* preClass /* = NULL */) const {
bool isGenerated = isdigit(name->data()[0]) ||
ParserBase::IsClosureName(name->toCppString());
Attr attrs = this->attrs;
if (preClass && preClass->attrs() & AttrInterface) {
attrs |= AttrAbstract;
}
if (attrs & AttrPersistent &&
((RuntimeOption::EvalJitEnableRenameFunction && !isGenerated) ||
(!RuntimeOption::RepoAuthoritative && SystemLib::s_inited) ||
attrs & AttrInterceptable)) {
if (attrs & AttrBuiltin) {
SystemLib::s_anyNonPersistentBuiltins = true;
}
attrs = Attr(attrs & ~AttrPersistent);
}
if (RuntimeOption::EvalJitEnableRenameFunction &&
!name->empty() &&
!Func::isSpecial(name) &&
!isClosureBody) {
// intercepted functions need to pass all args through
// to the interceptee
attrs |= AttrMayUseVV;
}
if (isVariadic()) { attrs |= AttrVariadicParam; }
if (!containsCalls) { attrs |= AttrPhpLeafFn; }
assert(!m_pce == !preClass);
Func* f = m_ue.newFunc(this, unit, preClass, line1, line2, base,
past, name, attrs, top, docComment,
params.size(), isClosureBody);
f->shared()->m_info = m_info;
f->shared()->m_returnType = returnType;
std::vector<Func::ParamInfo> fParams;
for (unsigned i = 0; i < params.size(); ++i) {
Func::ParamInfo pi = params[i];
f->appendParam(params[i].byRef, pi, fParams);
}
f->shared()->m_localNames.create(m_localNames);
f->shared()->m_numLocals = m_numLocals;
f->shared()->m_numIterators = m_numIterators;
f->m_maxStackCells = maxStackCells;
f->shared()->m_staticVars = staticVars;
f->shared()->m_ehtab = ehtab;
f->shared()->m_fpitab = fpitab;
f->shared()->m_isClosureBody = isClosureBody;
f->shared()->m_isAsync = isAsync;
f->shared()->m_isGenerator = isGenerator;
f->shared()->m_isPairGenerator = isPairGenerator;
f->shared()->m_userAttributes = userAttributes;
f->shared()->m_builtinFuncPtr = m_builtinFuncPtr;
f->shared()->m_nativeFuncPtr = m_nativeFuncPtr;
f->shared()->m_retTypeConstraint = retTypeConstraint;
f->shared()->m_retUserType = retUserType;
f->shared()->m_originalFilename = originalFilename;
f->shared()->m_isGenerated = isGenerated;
f->finishedEmittingParams(fParams);
if (attrs & AttrNative) {
auto nif = Native::GetBuiltinFunction(name,
m_pce ? m_pce->name() : nullptr,
f->isStatic());
if (nif) {
Attr dummy = AttrNone;
int nativeAttrs = parseNativeAttributes(dummy);
if (nativeAttrs & Native::AttrZendCompat) {
f->shared()->m_nativeFuncPtr = nif;
f->shared()->m_builtinFuncPtr = zend_wrap_func;
} else {
if (parseNativeAttributes(dummy) & Native::AttrActRec) {
f->shared()->m_builtinFuncPtr = nif;
f->shared()->m_nativeFuncPtr = nullptr;
} else {
f->shared()->m_nativeFuncPtr = nif;
f->shared()->m_builtinFuncPtr = m_pce ? Native::methodWrapper
: Native::functionWrapper;
}
}
} else {
f->shared()->m_builtinFuncPtr = Native::unimplementedWrapper;
}
}
return f;
}
