SEXP get_function_from_env_attrib(SEXP x, SEXP attribSym, SEXP nameSym) {
SEXP methods_env = Rf_getAttrib(x, attribSym);
if (isEnvironment(methods_env)) {
return Rf_findVarInFrame(methods_env, nameSym);
}
return R_NilValue;
}
SEXP subset_R8(SEXP x, SEXP name) {
// Look in x (an environment) for the object
SEXP nameSym = Rf_install(CHAR(STRING_ELT(name, 0)));
SEXP foundVar = Rf_findVarInFrame(x, nameSym);
if (foundVar != R_UnboundValue) {
return foundVar;
}
// if not found in x, look in methods
SEXP fun = get_function_from_env_attrib(x, Rf_install("methods"), nameSym);
// If not found in methods, search in methods2. This is present only for
// storing private methods in a superclass.
if (!isFunction(fun)) {
fun = get_function_from_env_attrib(x, Rf_install("methods2"), nameSym);
}
if (!isFunction(fun)) {
return R_NilValue;
}
// Make a copy of the function, with a new environment
SEXP fun2 = PROTECT(duplicate(fun));
SEXP eval_env = Rf_getAttrib(x, Rf_install("eval_env"));
if (!isEnvironment(eval_env)) {
UNPROTECT(1);
return R_NilValue;
}
SET_CLOENV(fun2, eval_env);
UNPROTECT(1);
return fun2;
}
// only used for debugging
SEXP get_rcpp_cache() {
if( ! Rcpp_cache_know ){
SEXP getNamespaceSym = Rf_install("getNamespace"); // cannot be gc()'ed once in symbol table
Rcpp::Shield<SEXP> RCPP( Rf_eval(Rf_lang2( getNamespaceSym, Rf_mkString("Rcpp") ), R_GlobalEnv) ) ;
Rcpp_cache = Rf_findVarInFrame( RCPP, Rf_install(".rcpp_cache") ) ;
Rcpp_cache_know = true ;
}
return Rcpp_cache ;
}
// only used for debugging
SEXP get_rcpp_cache() {
if( ! Rcpp_cache_know ){
SEXP getNamespaceSym = Rf_install("getNamespace"); // cannot be gc()'ed once in symbol table
SEXP RCPP = PROTECT( Rf_eval(Rf_lang2( getNamespaceSym, Rf_mkString("Rcpp") ), R_GlobalEnv) ) ;
Rcpp_cache = Rf_findVarInFrame( RCPP, Rf_install(".rcpp_cache") ) ;
Rcpp_cache_know = true ;
Rcpp_protection_stack = VECTOR_ELT(Rcpp_cache, RCPP_PROTECTION_STACK_INDEX) ;
UNPROTECT(1) ;
}
return Rcpp_cache ;
}
// TODO: split out some of the large blocks into helper functions, to make this easier to read
void RKStructureGetter::getStructureWorker (SEXP val, const QString &name, bool misplaced, RData *storage) {
RK_TRACE (RBACKEND);
bool is_function = false;
bool is_container = false;
bool is_environment = false;
unsigned int type = 0;
unsigned int count;
RK_DO (qDebug ("fetching '%s': %p, s-type %d", name.toLatin1().data(), val, TYPEOF (val)), RBACKEND, DL_DEBUG);
PROTECT (val);
// manually resolve any promises
SEXP value = resolvePromise (val);
UNPROTECT (1); /* val */
PROTECT (value);
// first field: get name
RData *namedata = new RData;
namedata->datatype = RData::StringVector;
namedata->length = 1;
QString *name_dummy = new QString[1];
name_dummy[0] = name;
namedata->data = name_dummy;
// get classes
SEXP classes_s;
if (TYPEOF (value) == LANGSXP) { // if it's a call, we should NEVER send it through eval
extern SEXP R_data_class (SEXP, Rboolean);
classes_s = R_data_class (value, (Rboolean) 0);
value = coerceVector (value, EXPRSXP); // make sure the object is safe for everything to come
UNPROTECT (1); /* old value */
PROTECT (classes_s);
PROTECT (value);
} else {
classes_s = callSimpleFun (class_fun, value, R_BaseEnv);
PROTECT (classes_s);
}
QString *classes = SEXPToStringList (classes_s, &count);
unsigned int num_classes = count;
UNPROTECT (1); /* classes_s */
// store classes
RData *classdata = new RData;
classdata->datatype = RData::StringVector;
classdata->data = classes;
classdata->length = num_classes;
// basic classification
for (unsigned int i = 0; i < num_classes; ++i) {
#warning: Using is.data.frame() may be more reliable (would need to be called only on List-objects, thus no major performance hit)
if (classes[i] == "data.frame") type |= RObject::DataFrame;
}
if (callSimpleBool (is_matrix_fun, value, R_BaseEnv)) type |= RObject::Matrix;
if (callSimpleBool (is_array_fun, value, R_BaseEnv)) type |= RObject::Array;
if (callSimpleBool (is_list_fun, value, R_BaseEnv)) type |= RObject::List;
if (type != 0) {
is_container = true;
type |= RObject::Container;
} else {
if (callSimpleBool (is_function_fun, value, R_BaseEnv)) {
is_function = true;
type |= RObject::Function;
} else if (callSimpleBool (is_environment_fun, value, R_BaseEnv)) {
is_container = true;
is_environment = true;
type |= RObject::Environment;
} else {
type |= RObject::Variable;
if (callSimpleBool (is_factor_fun, value, R_BaseEnv)) type |= RObject::Factor;
else if (callSimpleBool (is_numeric_fun, value, R_BaseEnv)) type |= RObject::Numeric;
else if (callSimpleBool (is_character_fun, value, R_BaseEnv)) type |= RObject::Character;
else if (callSimpleBool (is_logical_fun, value, R_BaseEnv)) type |= RObject::Logical;
}
}
if (misplaced) type |= RObject::Misplaced;
// get meta data, if any
RData *metadata = new RData;
metadata->datatype = RData::StringVector;
if (!Rf_isNull (Rf_getAttrib (value, meta_attrib))) {
type |= RObject::HasMetaObject;
SEXP meta_s = callSimpleFun (get_meta_fun, value, R_GlobalEnv);
PROTECT (meta_s);
metadata->data = SEXPToStringList (meta_s, &count);
metadata->length = count;
UNPROTECT (1); /* meta_s */
} else {
metadata->length = 1;
QString *meta_dummy = new QString[1];
meta_dummy[0] = "";
metadata->data = meta_dummy;
}
// store type
RData *typedata = new RData;
typedata->datatype = RData::IntVector;
typedata->length = 1;
int *type_dummy = new int[1];
type_dummy[0] = type;
typedata->data = type_dummy;
// get dims
int *dims;
unsigned int num_dims;
SEXP dims_s = callSimpleFun (dims_fun, value, R_BaseEnv);
if (!Rf_isNull (dims_s)) {
dims = SEXPToIntArray (dims_s, &num_dims);
} else {
num_dims = 1;
unsigned int len = Rf_length (value);
if ((len < 2) && (!is_function)) { // suspicious. Maybe some kind of list
SEXP len_s = callSimpleFun (length_fun, value, R_BaseEnv);
PROTECT (len_s);
if (Rf_isNull (len_s)) {
dims = new int[1];
dims[0] = len;
} else {
dims = SEXPToIntArray (len_s, &num_dims);
}
UNPROTECT (1); /* len_s */
} else {
dims = new int[1];
dims[0] = len;
}
}
// store dims
RData *dimdata = new RData;
dimdata->datatype = RData::IntVector;
dimdata->length = num_dims;
dimdata->data = dims;
// store everything we have so far
if (is_container) {
storage->length = 6;
} else if (is_function) {
storage->length = 7;
} else {
storage->length = 5;
}
storage->datatype = RData::StructureVector;
RData **res = new RData*[storage->length];
storage->data = res;
res[0] = namedata;
res[1] = typedata;
res[2] = classdata;
res[3] = metadata;
res[4] = dimdata;
// now add the extra info for containers and functions
if (is_container) {
bool do_env = (is_environment && (++envir_depth < 2));
bool do_cont = is_container && (!is_environment);
RData *childdata = new RData;
childdata->datatype = RData::StructureVector;
childdata->length = 0;
childdata->data = 0;
res[5] = childdata;
// fetch list of child names
unsigned int childcount;
SEXP childnames_s;
if (do_env) {
childnames_s = R_lsInternal (value, (Rboolean) 1);
} else if (do_cont) {
childnames_s = callSimpleFun (names_fun, value, R_BaseEnv);
} else {
childnames_s = R_NilValue; // dummy
}
PROTECT (childnames_s);
QString *childnames = SEXPToStringList (childnames_s, &childcount);
childdata->length = childcount;
RData **children = new RData*[childcount];
childdata->data = children;
childdata->length = childcount;
for (unsigned int i = 0; i < childcount; ++i) { // in case there is an error while fetching one of the children, let's pre-initialize everything.
children[i] = new RData;
children[i]->data = 0;
children[i]->length = 0;
children[i]->datatype = RData::NoData;
}
if (do_env) {
RK_DO (qDebug ("recurse into environment %s", name.toLatin1().data ()), RBACKEND, DL_DEBUG);
for (unsigned int i = 0; i < childcount; ++i) {
SEXP current_childname = install(CHAR(STRING_ELT(childnames_s, i)));
PROTECT (current_childname);
SEXP child = Rf_findVar (current_childname, value);
PROTECT (child);
bool child_misplaced = false;
if (with_namespace) {
/* before R 2.4.0, operator "::" would only work on true namespaces, not on package names (operator "::" work, if there is a namespace, and that namespace has the symbol in it)
TODO remove once we depend on R >= 2.4.0 */
# ifndef R_2_5
if (Rf_isNull (namespace_envir)) {
child_misplaced = true;
} else {
SEXP dummy = Rf_findVarInFrame (namespace_envir, current_childname);
if (Rf_isNull (dummy) || (dummy == R_UnboundValue)) child_misplaced = true;
}
/* for R 2.4.0 or greater: operator "::" works if package has no namespace at all, or has a namespace with the symbol in it */
# else
if (!Rf_isNull (namespace_envir)) {
SEXP dummy = Rf_findVarInFrame (namespace_envir, current_childname);
if (Rf_isNull (dummy) || (dummy == R_UnboundValue)) child_misplaced = true;
}
# endif
}
getStructureSafe (child, childnames[i], child_misplaced, children[i]);
UNPROTECT (2); /* childname, child */
}
} else if (do_cont) {
RK_DO (qDebug ("recurse into list %s", name.toLatin1().data ()), RBACKEND, DL_DEBUG);
// fewer elements than names() can happen, although I doubt it is supposed to happen.
// see http://sourceforge.net/tracker/?func=detail&aid=3002439&group_id=50231&atid=459007
bool may_be_special = Rf_length (value) < childcount;
if (Rf_isList (value) && (!may_be_special)) { // old style list
for (unsigned int i = 0; i < childcount; ++i) {
SEXP child = CAR (value);
getStructureSafe (child, childnames[i], false, children[i]);
CDR (value);
}
} else if (Rf_isNewList (value) && (!may_be_special)) { // new style list
for (unsigned int i = 0; i < childcount; ++i) {
SEXP child = VECTOR_ELT(value, i);
getStructureSafe (child, childnames[i], false, children[i]);
}
} else { // probably an S4 object disguised as a list
SEXP index = Rf_allocVector(INTSXP, 1);
PROTECT (index);
for (unsigned int i = 0; i < childcount; ++i) {
INTEGER (index)[0] = (i + 1);
SEXP child = callSimpleFun2 (double_brackets_fun, value, index, R_BaseEnv);
getStructureSafe (child, childnames[i], false, children[i]);
}
UNPROTECT (1); /* index */
}
}
UNPROTECT (1); /* childnames_s */
delete [] childnames;
} else if (is_function) {
RData *funargsdata = new RData;
funargsdata->datatype = RData::StringVector;
funargsdata->length = 0;
funargsdata->data = 0;
res[5] = funargsdata;
RData *funargvaluesdata = new RData;
funargvaluesdata->datatype = RData::StringVector;
funargvaluesdata->length = 0;
funargvaluesdata->data = 0;
res[6] = funargvaluesdata;
// TODO: this is still the major bottleneck, but no idea, how to improve on this
SEXP formals_s = callSimpleFun (get_formals_fun, value, R_GlobalEnv);
PROTECT (formals_s);
// the default values
funargvaluesdata->data = SEXPToStringList (formals_s, &(funargvaluesdata->length));
// the argument names
SEXP names_s = getAttrib (formals_s, R_NamesSymbol);
PROTECT (names_s);
funargsdata->data = SEXPToStringList (names_s, &(funargsdata->length));
UNPROTECT (2); /* names_s, formals_s */
}
UNPROTECT (1); /* value */
}
// TODO: split out some of the large blocks into helper functions, to make this easier to read
void RKStructureGetter::getStructureWorker (SEXP val, const QString &name, int add_type_flags, RData *storage, int nesting_depth) {
RK_TRACE (RBACKEND);
bool at_toplevel = (toplevel_value == val);
bool is_function = false;
bool is_container = false;
bool is_environment = false;
bool no_recurse = (nesting_depth >= 2); // TODO: should be configurable
unsigned int type = 0;
RK_DEBUG (RBACKEND, DL_DEBUG, "fetching '%s': %p, s-type %d", name.toLatin1().data(), val, TYPEOF (val));
SEXP value = val;
PROTECT_INDEX value_index;
PROTECT_WITH_INDEX (value, &value_index);
// manually resolve any promises
REPROTECT (value = resolvePromise (value), value_index);
bool is_s4 = Rf_isS4 (value);
SEXP baseenv = R_BaseEnv;
if (is_s4) baseenv = R_GlobalEnv;
// first field: get name
RData *namedata = new RData;
namedata->setData (QStringList (name));
// get classes
SEXP classes_s;
if ((TYPEOF (value) == LANGSXP) || (TYPEOF (value) == SYMSXP)) { // if it's a call, we should NEVER send it through eval
extern SEXP R_data_class (SEXP, Rboolean);
classes_s = R_data_class (value, (Rboolean) 0);
REPROTECT (value = Rf_coerceVector (value, EXPRSXP), value_index); // make sure the object is safe for everything to come
PROTECT (classes_s);
} else {
classes_s = RKRSupport::callSimpleFun (class_fun, value, baseenv);
PROTECT (classes_s);
}
QStringList classes = RKRSupport::SEXPToStringList (classes_s);
UNPROTECT (1); /* classes_s */
// store classes
RData *classdata = new RData;
classdata->setData (classes);
// basic classification
for (int i = classes.size () - 1; i >= 0; --i) {
#warning: Using is.data.frame() may be more reliable (would need to be called only on List-objects, thus no major performance hit)
if (classes[i] == "data.frame") type |= RObject::DataFrame;
}
if (RKRSupport::callSimpleBool (is_matrix_fun, value, baseenv)) type |= RObject::Matrix;
if (RKRSupport::callSimpleBool (is_list_fun, value, baseenv)) type |= RObject::List;
if (type != 0) {
is_container = true;
type |= RObject::Container;
} else {
if (RKRSupport::callSimpleBool (is_function_fun, value, baseenv)) {
is_function = true;
type |= RObject::Function;
} else if (RKRSupport::callSimpleBool (is_environment_fun, value, baseenv)) {
is_container = true;
type |= RObject::Environment;
is_environment = true;
} else {
type |= RObject::Variable;
if (RKRSupport::callSimpleBool (is_factor_fun, value, baseenv)) type |= RObject::Factor;
else if (RKRSupport::callSimpleBool (is_numeric_fun, value, baseenv)) type |= RObject::Numeric;
else if (RKRSupport::callSimpleBool (is_character_fun, value, baseenv)) type |= RObject::Character;
else if (RKRSupport::callSimpleBool (is_logical_fun, value, baseenv)) type |= RObject::Logical;
if (RKRSupport::callSimpleBool (is_array_fun, value, baseenv)) type |= RObject::Array;
}
}
type |= add_type_flags;
if (is_container) {
if (no_recurse) {
type |= RObject::Incomplete;
RK_DEBUG (RBACKEND, DL_DEBUG, "Depth limit reached. Will not recurse into %s", name.toLatin1().data ());
}
}
// get meta data, if any
RData *metadata = new RData;
if (!Rf_isNull (Rf_getAttrib (value, meta_attrib))) {
SEXP meta_s = RKRSupport::callSimpleFun (get_meta_fun, value, R_GlobalEnv);
PROTECT (meta_s);
metadata->setData (RKRSupport::SEXPToStringList (meta_s));
UNPROTECT (1); /* meta_s */
} else {
metadata->setData (QStringList ());
}
// get dims
RData::IntStorage dims;
SEXP dims_s = RKRSupport::callSimpleFun (dims_fun, value, baseenv);
if (!Rf_isNull (dims_s)) {
dims = RKRSupport::SEXPToIntArray (dims_s);
} else {
unsigned int len = Rf_length (value);
if ((len < 2) && (!is_function)) { // suspicious. Maybe some kind of list
SEXP len_s = RKRSupport::callSimpleFun (length_fun, value, baseenv);
PROTECT (len_s);
if (Rf_isNull (len_s)) {
dims.append (len);
} else {
dims = RKRSupport::SEXPToIntArray (len_s);
}
UNPROTECT (1); /* len_s */
} else {
dims.append (len);
}
}
// store dims
RData *dimdata = new RData;
dimdata->setData (dims);
RData *slotsdata = new RData ();
// does it have slots?
if (is_s4) {
type |= RObject::S4Object;
if (no_recurse) {
type |= RObject::Incomplete;
RK_DEBUG (RBACKEND, DL_DEBUG, "Depth limit reached. Will not recurse into slots of %s", name.toLatin1().data ());
} else {
RData::RDataStorage dummy (1, 0);
dummy[0] = new RData ();
SEXP slots_pseudo_object = RKRSupport::callSimpleFun (rk_get_slots_fun, value, R_GlobalEnv);
PROTECT (slots_pseudo_object);
getStructureSafe (slots_pseudo_object, "SLOTS", RObject::PseudoObject, dummy[0], nesting_depth); // do not increase depth for this pseudo-object
UNPROTECT (1);
slotsdata->setData (dummy);
}
}
// store type
RData *typedata = new RData;
typedata->setData (RData::IntStorage (1, type));
// store everything we have so far
int storage_length = RObject::StorageSizeBasicInfo;
if (is_container) {
storage_length = RObject::StorageSizeBasicInfo + 1;
} else if (is_function) {
storage_length = RObject::StorageSizeBasicInfo + 2;
}
RData::RDataStorage res (storage_length, 0);
res[RObject::StoragePositionName] = namedata;
res[RObject::StoragePositionType] = typedata;
res[RObject::StoragePositionClass] = classdata;
res[RObject::StoragePositionMeta] = metadata;
res[RObject::StoragePositionDims] = dimdata;
res[RObject::StoragePositionSlots] = slotsdata;
// now add the extra info for containers and functions
if (is_container) {
bool do_env = (is_environment && (!no_recurse));
bool do_cont = is_container && (!is_environment) && (!no_recurse);
// fetch list of child names
SEXP childnames_s;
if (do_env) {
childnames_s = R_lsInternal (value, (Rboolean) 1);
} else if (do_cont) {
childnames_s = RKRSupport::callSimpleFun (names_fun, value, baseenv);
} else {
childnames_s = R_NilValue; // dummy
}
PROTECT (childnames_s);
QStringList childnames = RKRSupport::SEXPToStringList (childnames_s);
int childcount = childnames.size ();
if (childcount > NAMED_CHILDREN_LIMIT) {
RK_DEBUG (RBACKEND, DL_WARNING, "object %s has %d named children. Will only retrieve the first %d", name.toLatin1().data (), childcount, NAMED_CHILDREN_LIMIT);
childcount = NAMED_CHILDREN_LIMIT;
}
RData::RDataStorage children (childcount, 0);
for (int i = 0; i < childcount; ++i) {
children[i] = new RData (); // NOTE: RData-ctor pre-initalizes these to empty. Thus, we're safe even if there is an error while fetching one of the children.
}
if (do_env) {
RK_DEBUG (RBACKEND, DL_DEBUG, "recurse into environment %s", name.toLatin1().data ());
if (!Rf_isEnvironment (value)) {
// some classes (ReferenceClasses) are identified as envionments by is.environment(), but are not internally ENVSXPs.
// For these, Rf_findVar would fail.
REPROTECT (value = RKRSupport::callSimpleFun (as_environment_fun, value, R_GlobalEnv), value_index);
}
for (int i = 0; i < childcount; ++i) {
SEXP current_childname = Rf_install(CHAR(STRING_ELT(childnames_s, i))); // ??? Why does simply using STRING_ELT(childnames_i, i) crash?
PROTECT (current_childname);
SEXP child = Rf_findVar (current_childname, value);
PROTECT (child);
bool child_misplaced = false;
if (at_toplevel && with_namespace && (!RKRBackend::this_pointer->RRuntimeIsVersion (2, 14, 0))) {
if (!Rf_isNull (namespace_envir)) {
SEXP dummy = Rf_findVarInFrame (namespace_envir, current_childname);
if (Rf_isNull (dummy) || (dummy == R_UnboundValue)) child_misplaced = true;
}
}
getStructureSafe (child, childnames[i], child_misplaced ? RObject::Misplaced : 0, children[i], nesting_depth + 1);
UNPROTECT (2); /* current_childname, child */
}
} else if (do_cont) {
RK_DEBUG (RBACKEND, DL_DEBUG, "recurse into list %s", name.toLatin1().data ());
// fewer elements than names() can happen, although I doubt it is supposed to happen.
// see http://sourceforge.net/tracker/?func=detail&aid=3002439&group_id=50231&atid=459007
bool may_be_special = Rf_length (value) < childcount;
if (Rf_isList (value) && (!may_be_special)) { // old style list
for (int i = 0; i < childcount; ++i) {
SEXP child = CAR (value);
getStructureSafe (child, childnames[i], 0, children[i], nesting_depth + 1);
CDR (value);
}
} else if (Rf_isNewList (value) && (!may_be_special)) { // new style list
for (int i = 0; i < childcount; ++i) {
SEXP child = VECTOR_ELT(value, i);
getStructureSafe (child, childnames[i], 0, children[i], nesting_depth + 1);
}
} else { // probably an S4 object disguised as a list
SEXP index = Rf_allocVector(INTSXP, 1);
PROTECT (index);
for (int i = 0; i < childcount; ++i) {
INTEGER (index)[0] = (i + 1);
SEXP child = RKRSupport::callSimpleFun2 (double_brackets_fun, value, index, baseenv);
getStructureSafe (child, childnames[i], 0, children[i], nesting_depth + 1);
}
UNPROTECT (1); /* index */
}
}
UNPROTECT (1); /* childnames_s */
RData *childdata = new RData;
childdata->setData (children);
res[RObject::StoragePositionChildren] = childdata;
if (is_environment && at_toplevel && with_namespace) {
RData *namespacedata = new RData;
if (no_recurse) {
type |= RObject::Incomplete;
RK_DEBUG (RBACKEND, DL_DEBUG, "Depth limit reached. Will not recurse into namespace of %s", name.toLatin1().data ());
} else {
RData::RDataStorage dummy (1, 0);
dummy[0] = new RData ();
getStructureSafe (namespace_envir, "NAMESPACE", RObject::PseudoObject, dummy[0], nesting_depth+99); // HACK: By default, do not recurse into the children of the namespace, until dealing with the namespace object itself.
namespacedata->setData (dummy);
}
res.insert (RObject::StoragePositionNamespace, namespacedata);
}
} else if (is_function) {
// TODO: getting the formals is still a bit of a bottleneck, but no idea, how to improve on this, any further
SEXP formals_s;
if (Rf_isPrimitive (value)) formals_s = FORMALS (RKRSupport::callSimpleFun (args_fun, value, baseenv)); // primitives don't have formals, internally
else formals_s = FORMALS (value);
PROTECT (formals_s);
// get the default values
QStringList formals = RKRSupport::SEXPToStringList (formals_s);
// for the most part, the implicit as.character in SEXPToStringList does a good on the formals (and it's the fastest of many options that I have tried).
// Only for naked strings (as in 'function (a="something")'), we're missing the quotes. So we add quotes, after conversion, as needed:
SEXP dummy = formals_s;
const int formals_len = Rf_length (formals_s);
for (int i = 0; i < formals_len; ++i) {
if (TYPEOF (CAR (dummy)) == STRSXP) formals[i] = RKRSharedFunctionality::quote (formals[i]);
dummy = CDR (dummy);
}
RData *funargvaluesdata = new RData;
funargvaluesdata->setData (formals);
// the argument names
SEXP names_s = Rf_getAttrib (formals_s, R_NamesSymbol);
PROTECT (names_s);
RData *funargsdata = new RData;
funargsdata->setData (RKRSupport::SEXPToStringList (names_s));
UNPROTECT (2); /* names_s, formals_s */
res[RObject::StoragePositionFunArgs] = funargsdata;
res[RObject::StoragePositionFunValues] = funargvaluesdata;
}
UNPROTECT (1); /* value */
RK_ASSERT (!res.contains (0));
storage->setData (res);
}
static SEXP Rcpp_cache = R_NilValue ;
#define RCPP_HASH_CACHE_INDEX 4
#define RCPP_CACHE_SIZE 6
#ifndef RCPP_HASH_CACHE_INITIAL_SIZE
#define RCPP_HASH_CACHE_INITIAL_SIZE 1024
#endif
// only used for debugging
SEXP get_rcpp_cache() {
RCPP_DEBUG( "get_rcpp_cache (known = %s)", (Rcpp_cache_know ? "true" : "false" ) )
if( ! Rcpp_cache_know ){
SEXP getNamespaceSym = Rf_install("getNamespace");
SEXP RCPP = PROTECT( Rf_eval(Rf_lang2( getNamespaceSym, Rf_mkString("Rcpp11") ), R_GlobalEnv) );
Rcpp_cache = Rf_findVarInFrame( RCPP, Rf_install(".rcpp_cache") ) ;
Rcpp_cache_know = true ;
UNPROTECT(1) ;
}
RCPP_DEBUG( " [get_rcpp_cache] Rcpp_cache = <%p>", Rcpp_cache )
return Rcpp_cache ;
}
namespace Rcpp {
SEXP get_Rcpp11_namespace__impl(){
return VECTOR_ELT( get_rcpp_cache() , 0 ) ;
}
}
