Method PerformLoop

source/script.cpp:10766–10788

ResultType Line::PerformLoop(ResultToken *aResultToken, Line *&aJumpToLine, Line *aUntil
	, __int64 aIterationLimit, bool aIsInfinite) // bool performs better than BOOL in current benchmarks for this.
// This performs much better (by at least 7%) as a function than as inline code, probably because
// it's only called to set up the loop, not each time through the loop.
{
	ResultType result = CONDITION_FALSE;
	Line *jump_to_line = nullptr;
	global_struct &g = *::g; // Primarily for performance in this case.

	for (; aIsInfinite || g.mLoopIteration <= aIterationLimit; ++g.mLoopIteration)
	{
		// Execute the body of the loop (either just one statement or a block of statements).
		// Preparser has ensured that every LOOP has a non-NULL next line.
		PERFORMLOOP_EXECUTE_BODY
		PERFORMLOOP_EVALUATE_UNTIL
		// Since the macro didn't "break", the result of executing the body of the loop was either OK
		// (the current iteration completed normally) or LOOP_CONTINUE (the current loop iteration
		// was cut short).  In both cases, just continue on through the loop.
	} // for()

	// The script's loop is now over.
	return result;
}