/** FOR (integer range) statement */
public Integer forRange(HplsqlParser.For_range_stmtContext ctx) {
trace(ctx, "FOR RANGE - ENTERED");
int start = evalPop(ctx.expr(0)).intValue();
int end = evalPop(ctx.expr(1)).intValue();
int step = evalPop(ctx.expr(2), 1L).intValue();
exec.enterScope(Scope.Type.LOOP);
Var index = new Var(ctx.L_ID().getText(), new Long(start));
exec.addVariable(index);
if (ctx.T_REVERSE() == null) {
for (int i = start; i <= end; i += step) {
visit(ctx.block());
index.increment(new Long(step));
}
} else {
for (int i = start; i >= end; i -= step) {
visit(ctx.block());
index.decrement(new Long(step));
}
}
exec.leaveScope();
trace(ctx, "FOR RANGE - LEFT");
return 0;
}
