Function ExecuteScript

sdk/samples/asrun/source/main.cpp:378–487

Execute the script by calling the main() function

// Execute the script by calling the main() function
int ExecuteScript(asIScriptEngine *engine, const char *scriptFile)
{
	asIScriptModule *mod = engine->GetModule("script", asGM_ONLY_IF_EXISTS);
	if( !mod ) return -1;

	// Find the main function
	asIScriptFunction *func = mod->GetFunctionByDecl("int main()");
	if( func == 0 )
	{
		// Try again with "void main()"
		func = mod->GetFunctionByDecl("void main()");
	}

	if( func == 0 )
	{
		engine->WriteMessage(scriptFile, 0, 0, asMSGTYPE_ERROR, "Cannot find 'int main()' or 'void main()'");
		return -1;
	}

	if(g_doDebug)
		InitializeDebugger(engine);

	// Once we have the main function, we first need to initialize the global variables
	// Since we've set up the request context callback we will be able to debug the 
	// initialization without passing in a pre-created context
	int r = mod->ResetGlobalVars(0);
	if( r < 0 )
	{
		engine->WriteMessage(scriptFile, 0, 0, asMSGTYPE_ERROR, "Failed while initializing global variables");
		return -1;
	}

	// Set up a context to execute the script
	// The context manager will request the context from the 
	// pool, which will automatically attach the debugger
	asIScriptContext *ctx = g_ctxMgr->AddContext(engine, func, true);

	// Execute the script until completion
	// The script may create co-routines. These will automatically
	// be managed by the context manager
	while( g_ctxMgr->ExecuteScripts() );

	// Check if the main script finished normally
	r = ctx->GetState();
	if( r != asEXECUTION_FINISHED )
	{
		if( r == asEXECUTION_EXCEPTION )
		{
			cout << "The script failed with an exception" << endl;
			cout << GetExceptionInfo(ctx, true).c_str();
			r = -1;
		}
		else if( r == asEXECUTION_ABORTED )
		{
			cout << "The script was aborted" << endl;
			r = -1;
		}
		else