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Nasal startup: allow more control over loading

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Allow excluding scripts entirely based on the startup load properties.
This commit is contained in:
James Turner 2022-03-09 16:47:12 +00:00
parent 0e079a7ebe
commit 4e6f9e6239
2 changed files with 15 additions and 4 deletions
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16
src/Scripting/NasalSys.cxx
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@ -1152,7 +1152,12 @@ void FGNasalSys::init()
// Now load the various source files in the Nasal directory
simgear::Dir nasalDir(SGPath(globals->get_fg_root(), "Nasal"));
loadScriptDirectory(nasalDir, globals->get_props()->getNode("/sim/nasal-load-priority"));
// load core Nasal scripts. In GUI startup mode, we restrict to a limited
// set of modules deliberately
loadScriptDirectory(nasalDir,
globals->get_props()->getNode("/sim/nasal-load-priority"),
fgGetBool("/sim/gui/startup"));
// Add modules in Nasal subdirectories to property tree
simgear::PathList directories = nasalDir.children(simgear::Dir::TYPE_DIR+
@ -1298,7 +1303,8 @@ bool pathSortPredicate(const SGPath& p1, const SGPath& p2)
// Loads all scripts in given directory, with an optional partial ordering of
// files defined in loadorder.
void FGNasalSys::loadScriptDirectory(simgear::Dir nasalDir, SGPropertyNode* loadorder)
void FGNasalSys::loadScriptDirectory(simgear::Dir nasalDir, SGPropertyNode* loadorder,
bool excludeUnspecifiedInLoadOrder)
{
simgear::PathList scripts = nasalDir.children(simgear::Dir::TYPE_FILE, ".nas");
@ -1319,6 +1325,10 @@ void FGNasalSys::loadScriptDirectory(simgear::Dir nasalDir, SGPropertyNode* load
std::for_each(files.begin(), files.end(), loadAndErase);
}
if (excludeUnspecifiedInLoadOrder) {
return;
}
// Load any remaining scripts.
// Note: simgear::Dir already reports file entries in a deterministic order,
// so a fixed loading sequence is guaranteed (same for every user)
@ -1538,7 +1548,7 @@ bool FGNasalSys::createModule(const char* moduleName, const char* fileName,
void FGNasalSys::deleteModule(const char* moduleName)
{
if (!_inited) {
if (!_inited || naIsNil(_globals)) {
// can occur on shutdown due to us being shutdown first, but other
// subsystems having Nasal objects.
return;

3
src/Scripting/NasalSys.hxx
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@ -168,7 +168,8 @@ private:
void loadPropertyScripts();
void loadPropertyScripts(SGPropertyNode* n);
void loadScriptDirectory(simgear::Dir nasalDir, SGPropertyNode* loadorder);
void loadScriptDirectory(simgear::Dir nasalDir, SGPropertyNode* loadorder,
bool excludeUnspecifiedInLoadOrder);
void addModule(std::string moduleName, simgear::PathList scripts);
static void logError(naContext);
naRef parse(naContext ctx, const char* filename, const char* buf, int len,