public override void ExitLoop(ssuplParser.LoopContext context)
{
string endwhile = label();
string startwhile = label();
code.Put(context,
$"; begin while loop at line yo {context.Start.Line}",
$"{startwhile}:",
code.Get(context.expr()),
"cmp rax, 0",
$"je {endwhile}",
code.Get(context.braceblock()),
$"jmp {startwhile}",
$"{endwhile}:");
}
public override void ExitLoop(ssuplParser.LoopContext context)
{
string loop = label();
string endloop = label();
code.Put(context,
$"{loop}:",
$"; begin LOOP at line {context.Start.Line}",
code.Get(context.expr()),
"pop rax",
$"cmp rax, 0",
$"je {endloop}",
$"; begin LOOP braceblock",
code.Get(context.braceblock()),
$"jmp {loop}",
$"{endloop}:",
$"; end LOOP");
}
public override void ExitLoop(ssuplParser.LoopContext context)
{
if (type(context.expr()) != VarType.INT)
{
throw new Exception("Expr must be integer");
}
string endwhile = label();
string startwhile = label();
code.Put(context,
$"; begin while loop at line yo {context.Start.Line}",
$"{startwhile}:",
code.Get(context.expr()),
"pop rax",
"cmp rax, 0",
$"je {endwhile}",
code.Get(context.braceblock()),
$"jmp {startwhile}",
$"{endwhile}:");
}
/// <summary>
/// Exit a parse tree produced by <see cref="ssuplParser.loop"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitLoop([NotNull] ssuplParser.LoopContext context)
{
}
