public override void Compile()
{
DoNothingNode firstDN = new DoNothingNode();
DoNothingNode middleDN = new DoNothingNode();
DoNothingNode lastDN = new DoNothingNode();
Compiled.Add(firstDN);
CompiledCondition condition = new CompiledCondition();
while(CurrentToken.Value.TokenType != TokenType.ELLIPSISOPEN)
{
CurrentToken = CurrentToken.Next;
}
condition.CurrentToken = CurrentToken.Next.Next;
condition.Compile();
CurrentToken = condition.CurrentToken;
Compiled.InsertAfter(condition.Compiled);
ConditionalJumpNode jump = new ConditionalJumpNode();
jump.NextOnTrue = middleDN;
jump.NextOnFalse = lastDN;
Compiled.Add(jump);
Compiled.Add(middleDN);
while (CurrentToken.Value.TokenType != TokenType.BRACKETOPEN)
{
CurrentToken = CurrentToken.Next;
}
CurrentToken = CurrentToken.Next;
while (CurrentToken.Value.TokenType != TokenType.BRACKETCLOSE)
{
AbstractCompiled compiled = CompilerFactory.getInstance().GetCompiled(CurrentToken);
compiled.CurrentToken = CurrentToken;
compiled.Compile();
Compiled.InsertAfter(compiled.Compiled);
CurrentToken = CurrentToken.Next;
}
Compiled.Add(new JumpNode(firstDN));
Compiled.Add(lastDN);
}
public override void Compile(ref LinkedListNode<Token> currentToken)
{
int ifLevel = currentToken.Value.getLevel();
_condition.addLast(new DoNothing());
List<TokenExpectation> expected = new List<TokenExpectation>()
{
new TokenExpectation(ifLevel, Token.Type.If),
new TokenExpectation(ifLevel, Token.Type.EllipsisOpen),
new TokenExpectation(ifLevel + 1, Token.Type.Any), // Condition
new TokenExpectation(ifLevel, Token.Type.EllipsisClose),
new TokenExpectation(ifLevel, Token.Type.BracketsOpen),
new TokenExpectation(ifLevel + 1, Token.Type.Any), // Body
new TokenExpectation(ifLevel, Token.Type.BracketsClose)
};
foreach (var expectation in expected)
{
if (expectation.Level == ifLevel)
{
if (currentToken.Value.tokentype != expectation.TokenType)
throw new Exception(String.Format("Unexpected end of statement, expected {0}", expectation.TokenType));
else
{
if (currentToken.Next != null)
currentToken = currentToken.Next;
}
}
else if (expectation.Level >= ifLevel)
{
if (_condition.getSize() < 2) // We komen eerst de conditie tegen, deze vullen we daarom eerst.
{
var compiledCondition = new CompiledCondition();
compiledCondition.Compile(ref currentToken);
_condition.addLast(compiledCondition.compiled);
}
else
{
while (currentToken.Value.getLevel() > ifLevel) // Zolang we in de body zitten mag de factory hiermee aan de slag. Dit is niet onze zaak.
{
if (currentToken.Value.tokentype != Token.Type.Semicolon)
{
var compiledBodyPart = CompilerFactory.getInstance().CreateCompiledStatement(currentToken);
compiledBodyPart.Compile(ref currentToken);
_body.addLast(compiledBodyPart.compiled);
}
else
currentToken = currentToken.Next;
}
}
}
}
_compiledStatement.addLast(new DoNothing());
_compiledStatement.addLast(_condition);
_compiledStatement.addLast(_conditionalJump);
_compiledStatement.addLast(_body);
_compiledStatement.addLast(new DoNothing());
_conditionalJump.setOnTrue(_body.getFirst());
_conditionalJump.setOnFalse(_compiledStatement.getLast());
compiled.addLast(_compiledStatement);
}
