private void ParseIfStatement()
{
var token = GetNext();
if (token.Type == TokenType.If)
{
if (token.Partner != null)
{
ParseIfElse();
return;
}
}
else
{
throw new Exception("Expected If identifier");
}
Match(TokenType.OpenParenthesis);
object condition = ParseExpression();
Match(TokenType.CloseParenthesis);
_compileCommands.AddLast(new[] { "Do Nothing" });
var insertIfBefore = _compileCommands.Tail;
bool hasBrackets = false;
if (PeekNext().Type == TokenType.OpenCurlyBracket)
{
GetNext();
hasBrackets = true;
}
do
{
ParseStatement();
} while (hasBrackets && PeekNext().Type != TokenType.CloseCurlyBracket);
if (hasBrackets)
{
Match(TokenType.CloseCurlyBracket);
}
_compileCommands.AddLast(new[] { "Do Nothing" });
_compileCommands.AddBefore(insertIfBefore, new[] { "$if", condition, new object[] { "$goto", _compileCommands.Tail } });
}
