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- rename initModule() to createModule() (as suggested by Andy)

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- make it public
- enable handleCommand() to execute a binding (or other nasal code defined
  in a property system subtree) in a particular namespace (-> "module" child)
This commit is contained in:
mfranz 2005-06-19 17:09:03 +00:00
parent 5c31daf808
commit ece07db538
2 changed files with 17 additions and 8 deletions
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20
src/Scripting/NasalSys.cxx
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@ -385,7 +385,7 @@ void FGNasalSys::loadPropertyScripts()
const char* src = n->getStringValue("script");
if(!n->hasChild("script")) src = 0; // Hrm...
if(src)
initModule(module, n->getPath(), src, strlen(src));
createModule(module, n->getPath(), src, strlen(src));
if(!file_specified && !src)
SG_LOG(SG_NASAL, SG_ALERT, "Nasal error: " <<
@ -422,14 +422,14 @@ void FGNasalSys::loadModule(SGPath file, const char* module)
return;
}
initModule(module, file.c_str(), buf, len);
createModule(module, file.c_str(), buf, len);
delete[] buf;
}
// Parse and run. Save the local variables namespace, as it will
// become a sub-object of globals.
void FGNasalSys::initModule(const char* moduleName, const char* fileName,
const char* src, int len)
void FGNasalSys::createModule(const char* moduleName, const char* fileName,
const char* src, int len)
{
naRef code = parse(fileName, src, len);
if(naIsNil(code))
@ -476,16 +476,24 @@ bool FGNasalSys::handleCommand(const SGPropertyNode* arg)
// location in the property tree. arg->getPath() returns an empty
// string.
const char* nasal = arg->getStringValue("script");
const char* moduleName = arg->getStringValue("module");
naRef code = parse("<command>", nasal, strlen(nasal));
if(naIsNil(code)) return false;
naRef locals = naNil();
if (moduleName[0]) {
naRef modname = naNewString(_context);
naStr_fromdata(modname, (char*)moduleName, strlen(moduleName));
if(!naHash_get(_globals, modname, &locals))
locals = naNewHash(_context);
}
// Cache the command argument for inspection via cmdarg(). For
// performance reasons, we won't bother with it if the invoked
// code doesn't need it.
_cmdArg = (SGPropertyNode*)arg;
// Call it!
naRef result = naCall(_context, code, naNil(), naNil(), naNil());
naRef result = naCall(_context, code, naNil(), naNil(), locals);
if(!naGetError(_context)) return true;
logError();
return false;

5
src/Scripting/NasalSys.hxx
View file

@ -42,6 +42,9 @@ public:
// Callbacks for command and timer bindings
virtual bool handleCommand(const SGPropertyNode* arg);
void createModule(const char* moduleName, const char* fileName,
const char* src, int len);
private:
friend class FGNasalScript;
@ -58,8 +61,6 @@ private:
};
void loadPropertyScripts();
void initModule(const char* moduleName, const char* fileName,
const char* src, int len);
void hashset(naRef hash, const char* key, naRef val);
void logError();
naRef parse(const char* filename, const char* buf, int len);