public void Execute()
{
var xExpression = ParseExpression();
while (mToken != null)
{
xExpression = ParseExpression(xExpression);
}
Expression = xExpression;
if (mToken != null)
{
throw new Exception("Not at end of statement! (Next token: " + mToken + ")");
}
}
private void ParseExpression()
{
#if DEBUG
if (!ParsingHelper.MayDoResolution)
{
throw new Exception("May not yet parse expression!");
}
#endif
var xStatementParser = new StatementParser(Tokens, ParsingContexts, MethodBody.MethodDefinition);
xStatementParser.Execute();
mValueExpression = xStatementParser.Expression;
if (mValueExpression == null)
{
throw new Exception("Expression syntax error");
}
}
private Expression ParseExpression(Expression rightExpression)
{
if (IsMatch('+'))
{
Move();
var xExpressionLeft = ParseExpression();
return new Addition(mContainingMethod.DeclaringType.Assembly.Host)
{
Left = xExpressionLeft,
Right = rightExpression
};
}
throw new Exception("Token not supported: " + mToken);
}