X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FScripting%2Fnasal-props.cxx;h=16d9db361a24acb90afcb365f0a024e18f415e09;hb=733e3b3f0c8ed5c880b57e3175dd6e5e3fd0ce9c;hp=9f309903a11b7401a2b7992a49926bd53da9ab89;hpb=50c1fe2d3e8bbfdb54873b213eb3a148cfa1f00d;p=flightgear.git diff --git a/src/Scripting/nasal-props.cxx b/src/Scripting/nasal-props.cxx index 9f309903a..16d9db361 100644 --- a/src/Scripting/nasal-props.cxx +++ b/src/Scripting/nasal-props.cxx @@ -1,13 +1,12 @@ - #ifdef HAVE_CONFIG_H # include "config.h" #endif #include -#include #include #include +#include #include
@@ -27,17 +26,17 @@ using namespace std; static void propNodeGhostDestroy(void* ghost) { - SGPropertyNode_ptr* prop = (SGPropertyNode_ptr*)ghost; - delete prop; + SGPropertyNode* prop = static_cast(ghost); + if (!SGPropertyNode::put(prop)) delete prop; } naGhostType PropNodeGhostType = { propNodeGhostDestroy, "prop" }; -static naRef propNodeGhostCreate(naContext c, SGPropertyNode* n) +naRef propNodeGhostCreate(naContext c, SGPropertyNode* ghost) { - if(!n) return naNil(); - SGPropertyNode_ptr* ghost = new SGPropertyNode_ptr(n); - return naNewGhost(c, &PropNodeGhostType, ghost); + if(!ghost) return naNil(); + SGPropertyNode::get(ghost); + return naNewGhost(c, &PropNodeGhostType, ghost); } naRef FGNasalSys::propNodeGhost(SGPropertyNode* handle) @@ -45,28 +44,71 @@ naRef FGNasalSys::propNodeGhost(SGPropertyNode* handle) return propNodeGhostCreate(_context, handle); } +SGPropertyNode* ghostToPropNode(naRef ref) +{ + if (!naIsGhost(ref) || (naGhost_type(ref) != &PropNodeGhostType)) + return NULL; + + return static_cast(naGhost_ptr(ref)); +} + #define NASTR(s) s ? naStr_fromdata(naNewString(c),(char*)(s),strlen(s)) : naNil() // // Standard header for the extension functions. It turns the "ghost" -// found in arg[0] into a SGPropertyNode_ptr*, and then "unwraps" the +// found in arg[0] into a SGPropertyNode_ptr, and then "unwraps" the // vector found in the second argument into a normal-looking args // array. This allows the Nasal handlers to do things like: // Node.getChild = func { _getChild(me.ghost, arg) } // -#define NODEARG() \ - if(argc < 2 || !naIsGhost(args[0]) || \ - naGhost_type(args[0]) != &PropNodeGhostType) \ - naRuntimeError(c, "bad argument to props function"); \ - SGPropertyNode_ptr* node = (SGPropertyNode_ptr*)naGhost_ptr(args[0]); \ +#define NODENOARG() \ + if(argc < 2 || !naIsGhost(args[0]) || \ + naGhost_type(args[0]) != &PropNodeGhostType) \ + naRuntimeError(c, "bad argument to props function"); \ + SGPropertyNode_ptr node = static_cast(naGhost_ptr(args[0])); + +#define NODEARG() \ + NODENOARG(); \ naRef argv = args[1] +// +// Pops the first argument as a relative path if the first condition +// is true (e.g. argc > 1 for getAttribute) and if it is a string. +// If the second confition is true, then another is popped to specify +// if the node should be created (i.e. like the second argument to +// getNode()) +// +// Note that this makes the function return nil if the node doesn't +// exist, so all functions with a relative_path parameter will +// return nil if the specified node does not exist. +// +#define MOVETARGET(cond1, create) \ + if(cond1) { \ + naRef name = naVec_get(argv, 0); \ + if(naIsString(name)) { \ + try { \ + node = node->getNode(naStr_data(name), create); \ + } catch(const string& err) { \ + naRuntimeError(c, (char *)err.c_str()); \ + return naNil(); \ + } \ + if(!node) return naNil(); \ + naVec_removefirst(argv); /* pop only if we were successful */ \ + } \ + } + + +// Get the type of a property (returns a string). +// Forms: +// props.Node.getType(string relative_path); +// props.Node.getType(); static naRef f_getType(naContext c, naRef me, int argc, naRef* args) { using namespace simgear; NODEARG(); + MOVETARGET(naVec_size(argv) > 0, false); const char* t = "unknown"; - switch((*node)->getType()) { + switch(node->getType()) { case props::NONE: t = "NONE"; break; case props::ALIAS: t = "ALIAS"; break; case props::BOOL: t = "BOOL"; break; @@ -83,40 +125,59 @@ static naRef f_getType(naContext c, naRef me, int argc, naRef* args) return NASTR(t); } + +// Get an attribute of a property by name (returns true/false). +// Forms: +// props.Node.getType(string relative_path, +// string attribute_name); +// props.Node.getType(string attribute_name); static naRef f_getAttribute(naContext c, naRef me, int argc, naRef* args) { NODEARG(); - if(naVec_size(argv) == 0) return naNum(unsigned((*node)->getAttributes())); + if(naVec_size(argv) == 0) return naNum(unsigned(node->getAttributes())); + MOVETARGET(naVec_size(argv) > 1, false); naRef val = naVec_get(argv, 0); const char *a = naStr_data(val); SGPropertyNode::Attribute attr; if(!a) a = ""; if(!strcmp(a, "last")) return naNum(SGPropertyNode::LAST_USED_ATTRIBUTE); - else if(!strcmp(a, "children")) return naNum((*node)->nChildren()); - else if(!strcmp(a, "listeners")) return naNum((*node)->nListeners()); - else if(!strcmp(a, "references")) return naNum(node->getNumRefs()); - else if(!strcmp(a, "tied")) return naNum((*node)->isTied()); - else if(!strcmp(a, "alias")) return naNum((*node)->isAlias()); + else if(!strcmp(a, "children")) return naNum(node->nChildren()); + else if(!strcmp(a, "listeners")) return naNum(node->nListeners()); + // Number of references without instance used in this function + else if(!strcmp(a, "references")) return naNum(node.getNumRefs() - 1); + else if(!strcmp(a, "tied")) return naNum(node->isTied()); + else if(!strcmp(a, "alias")) return naNum(node->isAlias()); else if(!strcmp(a, "readable")) attr = SGPropertyNode::READ; else if(!strcmp(a, "writable")) attr = SGPropertyNode::WRITE; else if(!strcmp(a, "archive")) attr = SGPropertyNode::ARCHIVE; else if(!strcmp(a, "trace-read")) attr = SGPropertyNode::TRACE_READ; else if(!strcmp(a, "trace-write")) attr = SGPropertyNode::TRACE_WRITE; else if(!strcmp(a, "userarchive")) attr = SGPropertyNode::USERARCHIVE; + else if(!strcmp(a, "preserve")) attr = SGPropertyNode::PRESERVE; else { naRuntimeError(c, "props.getAttribute() with invalid attribute"); return naNil(); } - return naNum((*node)->getAttribute(attr)); + return naNum(node->getAttribute(attr)); } + +// Set an attribute by name and boolean value or raw (bitmasked) number. +// Forms: +// props.Node.setAttribute(string relative_path, +// string attribute_name, +// bool value); +// props.Node.setAttribute(string attribute_name, +// bool value); +// props.Node.setArtribute(int attributes); static naRef f_setAttribute(naContext c, naRef me, int argc, naRef* args) { NODEARG(); + MOVETARGET(naVec_size(argv) > 2, false); naRef val = naVec_get(argv, 0); if(naVec_size(argv) == 1 && naIsNum(val)) { - naRef ret = naNum((*node)->getAttributes()); - (*node)->setAttributes((int)val.num); + naRef ret = naNum(node->getAttributes()); + node->setAttributes((int)val.num); return ret; } SGPropertyNode::Attribute attr; @@ -128,25 +189,49 @@ static naRef f_setAttribute(naContext c, naRef me, int argc, naRef* args) else if(!strcmp(a, "trace-read")) attr = SGPropertyNode::TRACE_READ; else if(!strcmp(a, "trace-write")) attr = SGPropertyNode::TRACE_WRITE; else if(!strcmp(a, "userarchive")) attr = SGPropertyNode::USERARCHIVE; + else if(!strcmp(a, "preserve")) attr = SGPropertyNode::PRESERVE; else { naRuntimeError(c, "props.setAttribute() with invalid attribute"); return naNil(); } - naRef ret = naNum((*node)->getAttribute(attr)); - (*node)->setAttribute(attr, naTrue(naVec_get(argv, 1)) ? true : false); + naRef ret = naNum(node->getAttribute(attr)); + node->setAttribute(attr, naTrue(naVec_get(argv, 1)) ? true : false); return ret; } + +// Get the simple name of this node. +// Forms: +// props.Node.getName(); static naRef f_getName(naContext c, naRef me, int argc, naRef* args) { - NODEARG(); - return NASTR((*node)->getName()); + NODENOARG(); + return NASTR(node->getName()); } + +// Get the index of this node. +// Forms: +// props.Node.getIndex(); static naRef f_getIndex(naContext c, naRef me, int argc, naRef* args) +{ + NODENOARG(); + return naNum(node->getIndex()); +} + +// Check if other_node refers to the same as this node. +// Forms: +// props.Node.equals(other_node); +static naRef f_equals(naContext c, naRef me, int argc, naRef* args) { NODEARG(); - return naNum((*node)->getIndex()); + + naRef rhs = naVec_get(argv, 0); + if( !naIsGhost(rhs) || naGhost_type(rhs) != &PropNodeGhostType ) + return naNum(false); + + SGPropertyNode* node_rhs = static_cast(naGhost_ptr(rhs)); + return naNum(node.ptr() == node_rhs); } template @@ -155,28 +240,43 @@ naRef makeVectorFromVec(naContext c, const T& vec) const int num_components = sizeof(vec.data()) / sizeof(typename T::value_type); naRef vector = naNewVector(c); - naVec_setsize(vector, num_components); + naVec_setsize(c, vector, num_components); for (int i = 0; i < num_components; ++i) naVec_set(vector, i, naNum(vec[i])); return vector; } + +// Get the value of a node, with or without a relative path. +// Forms: +// props.Node.getValue(string relative_path); +// props.Node.getValue(); static naRef f_getValue(naContext c, naRef me, int argc, naRef* args) { using namespace simgear; NODEARG(); - switch((*node)->getType()) { + MOVETARGET(naVec_size(argv) > 0, false); + switch(node->getType()) { case props::BOOL: case props::INT: case props::LONG: case props::FLOAT: case props::DOUBLE: - return naNum((*node)->getDoubleValue()); + { + double dv = node->getDoubleValue(); + if (SGMisc::isNaN(dv)) { + SG_LOG(SG_NASAL, SG_ALERT, "Nasal getValue: property " << node->getPath() << " is NaN"); + return naNil(); + } + + return naNum(dv); + } + case props::STRING: case props::UNSPECIFIED: - return NASTR((*node)->getStringValue()); + return NASTR(node->getStringValue()); case props::VEC3D: - return makeVectorFromVec(c, (*node)->getValue()); + return makeVectorFromVec(c, node->getValue()); case props::VEC4D: - return makeVectorFromVec(c, (*node)->getValue()); + return makeVectorFromVec(c, node->getValue()); default: return naNil(); } @@ -199,25 +299,39 @@ T makeVecFromVector(naRef vector) return vec; } + +// Set the value of a node; returns true if it succeeded or +// false if it failed. can be a string, number, or a +// vector or numbers (for SGVec3D/4D types). +// Forms: +// props.Node.setValue(string relative_path, +// val); +// props.Node.setValue(val); static naRef f_setValue(naContext c, naRef me, int argc, naRef* args) { NODEARG(); + MOVETARGET(naVec_size(argv) > 1, true); naRef val = naVec_get(argv, 0); bool result = false; if(naIsString(val)) { - result = (*node)->setStringValue(naStr_data(val)); + result = node->setStringValue(naStr_data(val)); } else if(naIsVector(val)) { if(naVec_size(val) == 3) - result = (*node)->setValue(makeVecFromVector(val)); + result = node->setValue(makeVecFromVector(val)); else if(naVec_size(val) == 4) - result = (*node)->setValue(makeVecFromVector(val)); + result = node->setValue(makeVecFromVector(val)); else naRuntimeError(c, "props.setValue() vector value has wrong size"); } else { - naRef n = naNumValue(val); - if(naIsNil(n)) + if(!naIsNum(val)) naRuntimeError(c, "props.setValue() with non-number"); - result = (*node)->setDoubleValue(naNumValue(val).num); + + double d = naNumValue(val).num; + if (SGMisc::isNaN(d)) { + naRuntimeError(c, "props.setValue() passed a NaN"); + } + + result = node->setDoubleValue(d); } return naNum(result); } @@ -225,6 +339,7 @@ static naRef f_setValue(naContext c, naRef me, int argc, naRef* args) static naRef f_setIntValue(naContext c, naRef me, int argc, naRef* args) { NODEARG(); + MOVETARGET(naVec_size(argv) > 1, true); // Original code: // int iv = (int)naNumValue(naVec_get(argv, 0)).num; @@ -236,46 +351,65 @@ static naRef f_setIntValue(naContext c, naRef me, int argc, naRef* args) double tmp2 = tmp1.num; int iv = (int)tmp2; - return naNum((*node)->setIntValue(iv)); + return naNum(node->setIntValue(iv)); } static naRef f_setBoolValue(naContext c, naRef me, int argc, naRef* args) { NODEARG(); + MOVETARGET(naVec_size(argv) > 1, true); naRef val = naVec_get(argv, 0); - return naNum((*node)->setBoolValue(naTrue(val) ? true : false)); + return naNum(node->setBoolValue(naTrue(val) ? true : false)); } static naRef f_setDoubleValue(naContext c, naRef me, int argc, naRef* args) { NODEARG(); + MOVETARGET(naVec_size(argv) > 1, true); naRef r = naNumValue(naVec_get(argv, 0)); - if(naIsNil(r)) + if (naIsNil(r)) naRuntimeError(c, "props.setDoubleValue() with non-number"); - return naNum((*node)->setDoubleValue(r.num)); + + if (SGMisc::isNaN(r.num)) { + naRuntimeError(c, "props.setDoubleValue() passed a NaN"); + } + + return naNum(node->setDoubleValue(r.num)); } + +// Get the parent of this node as a ghost. +// Forms: +// props.Node.getParent(); static naRef f_getParent(naContext c, naRef me, int argc, naRef* args) { - NODEARG(); - SGPropertyNode* n = (*node)->getParent(); + NODENOARG(); + SGPropertyNode* n = node->getParent(); if(!n) return naNil(); return propNodeGhostCreate(c, n); } + +// Get a child by name and optional index=0, creating if specified (by default it +// does not create it). If the node does not exist and create is false, then it +// returns nil, else it returns a (possibly new) property ghost. +// Forms: +// props.Node.getChild(string relative_path, +// int index=0, +// bool create=false); static naRef f_getChild(naContext c, naRef me, int argc, naRef* args) { NODEARG(); naRef child = naVec_get(argv, 0); if(!naIsString(child)) return naNil(); naRef idx = naNumValue(naVec_get(argv, 1)); - bool create = naTrue(naVec_get(argv, 2)); + bool create = naTrue(naVec_get(argv, 2)) != 0; SGPropertyNode* n; try { - if(naIsNil(idx) || !naIsNum(idx)) { - n = (*node)->getChild(naStr_data(child), create); + if(naIsNil(idx)) { + n = node->getChild(naStr_data(child), create); } else { - n = (*node)->getChild(naStr_data(child), (int)idx.num, create); + n = node->getChild(naStr_data(child), (int)idx.num, create); } } catch (const string& err) { naRuntimeError(c, (char *)err.c_str()); @@ -285,21 +419,26 @@ static naRef f_getChild(naContext c, naRef me, int argc, naRef* args) return propNodeGhostCreate(c, n); } + +// Get all children with a specified name as a vector of ghosts. +// Forms: +// props.Node.getChildren(string relative_path); +// props.Node.getChildren(); #get all children static naRef f_getChildren(naContext c, naRef me, int argc, naRef* args) { NODEARG(); naRef result = naNewVector(c); if(naIsNil(argv) || naVec_size(argv) == 0) { // Get all children - for(int i=0; i<(*node)->nChildren(); i++) - naVec_append(result, propNodeGhostCreate(c, (*node)->getChild(i))); + for(int i=0; inChildren(); i++) + naVec_append(result, propNodeGhostCreate(c, node->getChild(i))); } else { // Get all children of a specified name naRef name = naVec_get(argv, 0); if(!naIsString(name)) return naNil(); try { vector children - = (*node)->getChildren(naStr_data(name)); + = node->getChildren(naStr_data(name)); for(unsigned int i=0; iaddChild(naStr_data(child), min_index, append); + } + catch (const string& err) + { + naRuntimeError(c, (char *)err.c_str()); + return naNil(); + } + + return propNodeGhostCreate(c, n); +} + +static naRef f_addChildren(naContext c, naRef me, int argc, naRef* args) +{ + NODEARG(); + naRef child = naVec_get(argv, 0); + if(!naIsString(child)) return naNil(); + naRef ref_count = naNumValue(naVec_get(argv, 1)); + naRef ref_min_index = naNumValue(naVec_get(argv, 2)); + naRef ref_append = naVec_get(argv, 3); + try + { + size_t count = 0; + if( !naIsNum(ref_count) ) + throw string("props.addChildren() missing number of children"); + count = ref_count.num; + + int min_index = 0; + if(!naIsNil(ref_min_index)) + min_index = ref_min_index.num; + + bool append = true; + if(!naIsNil(ref_append)) + append = naTrue(ref_append) != 0; + + const simgear::PropertyList& nodes = + node->addChildren(naStr_data(child), count, min_index, append); + + naRef result = naNewVector(c); + for( size_t i = 0; i < nodes.size(); ++i ) + naVec_append(result, propNodeGhostCreate(c, nodes[i])); + return result; + } + catch (const string& err) + { + naRuntimeError(c, (char *)err.c_str()); + } + + return naNil(); +} + + +// Remove a child by name and index. Returns it as a ghost. +// Forms: +// props.Node.removeChild(string relative_path, +// int index); static naRef f_removeChild(naContext c, naRef me, int argc, naRef* args) { NODEARG(); naRef child = naVec_get(argv, 0); naRef index = naVec_get(argv, 1); if(!naIsString(child) || !naIsNum(index)) return naNil(); - SGPropertyNode_ptr n = 0; + SGPropertyNode_ptr n; try { - n = (*node)->removeChild(naStr_data(child), (int)index.num, false); + n = node->removeChild(naStr_data(child), (int)index.num); } catch (const string& err) { naRuntimeError(c, (char *)err.c_str()); } return propNodeGhostCreate(c, n); } + +// Remove all children with specified name. Returns a vector of all the nodes +// removed as ghosts. +// Forms: +// props.Node.removeChildren(string relative_path); +// props.Node.removeChildren(); #remove all children static naRef f_removeChildren(naContext c, naRef me, int argc, naRef* args) { NODEARG(); naRef result = naNewVector(c); if(naIsNil(argv) || naVec_size(argv) == 0) { // Remove all children - for(int i = (*node)->nChildren() - 1; i >=0; i--) - naVec_append(result, propNodeGhostCreate(c, (*node)->removeChild(i))); + for(int i = node->nChildren() - 1; i >=0; i--) + naVec_append(result, propNodeGhostCreate(c, node->removeChild(i))); } else { // Remove all children of a specified name naRef name = naVec_get(argv, 0); if(!naIsString(name)) return naNil(); try { vector children - = (*node)->removeChildren(naStr_data(name), false); + = node->removeChildren(naStr_data(name)); for(unsigned int i=0; iremoveAllChildren(); + return propNodeGhostCreate(c, node); +} + +// Alias this property to another one; returns 1 on success or 0 on failure +// (only applicable to tied properties). +// Forms: +// props.Node.alias(string global_path); +// props.Node.alias(prop_ghost node); +// props.Node.alias(props.Node node); #added by props.nas static naRef f_alias(naContext c, naRef me, int argc, naRef* args) { NODEARG(); @@ -357,36 +597,51 @@ static naRef f_alias(naContext c, naRef me, int argc, naRef* args) naRef prop = naVec_get(argv, 0); try { if(naIsString(prop)) al = globals->get_props()->getNode(naStr_data(prop), true); - else if(naIsGhost(prop)) al = *(SGPropertyNode_ptr*)naGhost_ptr(prop); + else if(naIsGhost(prop)) al = static_cast(naGhost_ptr(prop)); else throw string("props.alias() with bad argument"); } catch (const string& err) { naRuntimeError(c, (char *)err.c_str()); return naNil(); } - return naNum((*node)->alias(al)); + return naNum(node->alias(al)); } + +// Un-alias this property. Returns 1 on success or 0 on failure (only +// applicable to tied properties). +// Forms: +// props.Node.unalias(); static naRef f_unalias(naContext c, naRef me, int argc, naRef* args) { - NODEARG(); - return naNum((*node)->unalias()); + NODENOARG(); + return naNum(node->unalias()); } + +// Get the alias of this node as a ghost. +// Forms: +// props.Node.getAliasTarget(); static naRef f_getAliasTarget(naContext c, naRef me, int argc, naRef* args) { - NODEARG(); - return propNodeGhostCreate(c, (*node)->getAliasTarget()); + NODENOARG(); + return propNodeGhostCreate(c, node->getAliasTarget()); } + +// Get a relative node. Returns nil if it does not exist and create is false, +// or a ghost object otherwise (wrapped into a props.Node object by props.nas). +// Forms: +// props.Node.getNode(string relative_path, +// bool create=false); static naRef f_getNode(naContext c, naRef me, int argc, naRef* args) { NODEARG(); naRef path = naVec_get(argv, 0); - bool create = naTrue(naVec_get(argv, 1)); + bool create = naTrue(naVec_get(argv, 1)) != 0; if(!naIsString(path)) return naNil(); SGPropertyNode* n; try { - n = (*node)->getNode(naStr_data(path), create); + n = node->getNode(naStr_data(path), create); } catch (const string& err) { naRuntimeError(c, (char *)err.c_str()); return naNil(); @@ -394,11 +649,21 @@ static naRef f_getNode(naContext c, naRef me, int argc, naRef* args) return propNodeGhostCreate(c, n); } + +// Create a new property node. +// Forms: +// props.Node.new(); static naRef f_new(naContext c, naRef me, int argc, naRef* args) { return propNodeGhostCreate(c, new SGPropertyNode()); } + +// Get the global root node (cached by props.nas so that it does +// not require a function call). +// Forms: +// props._globals() +// props.globals static naRef f_globals(naContext c, naRef me, int argc, naRef* args) { return propNodeGhostCreate(c, globals->get_props()); @@ -408,27 +673,31 @@ static struct { naCFunction func; const char* name; } propfuncs[] = { - { f_getType, "_getType" }, - { f_getAttribute, "_getAttribute" }, - { f_setAttribute, "_setAttribute" }, - { f_getName, "_getName" }, - { f_getIndex, "_getIndex" }, - { f_getValue, "_getValue" }, - { f_setValue, "_setValue" }, - { f_setIntValue, "_setIntValue" }, - { f_setBoolValue, "_setBoolValue" }, - { f_setDoubleValue, "_setDoubleValue" }, - { f_getParent, "_getParent" }, - { f_getChild, "_getChild" }, - { f_getChildren, "_getChildren" }, - { f_removeChild, "_removeChild" }, - { f_removeChildren, "_removeChildren" }, - { f_alias, "_alias" }, - { f_unalias, "_unalias" }, - { f_getAliasTarget, "_getAliasTarget" }, - { f_getNode, "_getNode" }, - { f_new, "_new" }, - { f_globals, "_globals" }, + { f_getType, "_getType" }, + { f_getAttribute, "_getAttribute" }, + { f_setAttribute, "_setAttribute" }, + { f_getName, "_getName" }, + { f_getIndex, "_getIndex" }, + { f_equals, "_equals" }, + { f_getValue, "_getValue" }, + { f_setValue, "_setValue" }, + { f_setIntValue, "_setIntValue" }, + { f_setBoolValue, "_setBoolValue" }, + { f_setDoubleValue, "_setDoubleValue" }, + { f_getParent, "_getParent" }, + { f_getChild, "_getChild" }, + { f_getChildren, "_getChildren" }, + { f_addChild, "_addChild" }, + { f_addChildren, "_addChildren" }, + { f_removeChild, "_removeChild" }, + { f_removeChildren, "_removeChildren" }, + { f_removeAllChildren, "_removeAllChildren" }, + { f_alias, "_alias" }, + { f_unalias, "_unalias" }, + { f_getAliasTarget, "_getAliasTarget" }, + { f_getNode, "_getNode" }, + { f_new, "_new" }, + { f_globals, "_globals" }, { 0, 0 } };