public LinedefSpecialDefinition(Statement statement,IEnumerable<LinedefSpecialAttribute> attributes)
{
if (statement == null)
throw new ArgumentNullException("statement");
if (attributes == null)
throw new ArgumentNullException("attributes");
this.statement = statement;
this.attributes = new List<LinedefSpecialAttribute>(attributes);
this.method = null;
}
public IfStatement(Expression condition,Statement thenstatement,Statement elsestatement)
{
if (condition == null)
throw new ArgumentNullException("condition");
if (thenstatement == null)
throw new ArgumentNullException("thenstatement");
if (elsestatement == null)
throw new ArgumentNullException("elsestatement");
this.condition = condition;
this.thenstatement = thenstatement;
this.elsestatement = elsestatement;
}
public WhileStatement(Expression condition,Statement loopstatement,Statement elsestatement)
{
if (condition == null)
throw new ArgumentNullException("condition");
if (loopstatement == null)
throw new ArgumentNullException("loopstatement");
if (elsestatement == null)
throw new ArgumentNullException("elsestatement");
this.condition = condition;
this.loopstatement = loopstatement;
this.elsestatement = elsestatement;
}
public ForEachStatement(string variabletype,string variablename,Expression collection,Statement loopstatement,Statement elsestatement)
{
if (variabletype == null)
throw new ArgumentNullException("variabletype");
if (variablename == null)
throw new ArgumentNullException("variablename");
if (collection == null)
throw new ArgumentNullException("collection");
if (loopstatement == null)
throw new ArgumentNullException("loopstatement");
if (elsestatement == null)
throw new ArgumentNullException("elsestatement");
this.variabletype = variabletype;
this.variablename = variablename;
this.collection = collection;
this.loopstatement = loopstatement;
this.elsestatement = elsestatement;
}
public FunctionDefinition(string name,string returntype,string[] parametertypes,string[] parameternames,Statement statement)
{
if (name == null)
throw new ArgumentNullException("name");
if (returntype == null)
throw new ArgumentNullException("returntype");
if (parametertypes == null)
throw new ArgumentNullException("parametertypes");
if (parameternames == null)
throw new ArgumentNullException("parameternames");
if (statement == null)
throw new ArgumentNullException("statement");
if (parametertypes.Length != parameternames.Length)
throw new ArgumentException();
this.name = name;
this.returntype = returntype;
this.parametertypes = parametertypes;
this.parameternames = parameternames;
this.statement = statement;
this.method = null;
this.realreturntype = null;
this.realparametertypes = null;
}
private static Statement ParseStatement(Scanner scanner)
{
if (scanner.TryGetIdentifier("if"))
{
scanner.GetDelimiter("(");
Expression condition = ParseExpression(scanner);
scanner.GetDelimiter(")");
Statement thenstatement = ParseStatement(scanner);
Statement elsestatement = new NullStatement();
if (scanner.TryGetIdentifier("else"))
{
elsestatement = ParseStatement(scanner);
}
return(new IfStatement(condition, thenstatement, elsestatement));
}
else if (scanner.TryGetIdentifier("while"))
{
scanner.GetDelimiter("(");
Expression condition = ParseExpression(scanner);
scanner.GetDelimiter(")");
Statement loopstatement = ParseStatement(scanner);
Statement elsestatement = new NullStatement();
if (scanner.TryGetIdentifier("else"))
{
elsestatement = ParseStatement(scanner);
}
return(new WhileStatement(condition, loopstatement, elsestatement));
}
else if (scanner.TryGetIdentifier("foreach"))
{
scanner.GetDelimiter("(");
string variabletype;
string variablename;
scanner.GetIdentifier(out variabletype);
scanner.GetIdentifier(out variablename);
scanner.GetIdentifier("in");
Expression collection = ParseExpression(scanner);
scanner.GetDelimiter(")");
Statement loopstatement = ParseStatement(scanner);
Statement elsestatement = new NullStatement();
if (scanner.TryGetIdentifier("else"))
{
elsestatement = ParseStatement(scanner);
}
return(new ForEachStatement(variabletype, variablename, collection, loopstatement, elsestatement));
}
else if (scanner.TryGetIdentifier("var"))
{
string variablename;
scanner.GetIdentifier(out variablename);
scanner.GetDelimiter("=");
Expression expression = ParseExpression(scanner);
scanner.GetDelimiter(";");
return(new VarStatement(variablename, expression));
}
else if (scanner.TryGetIdentifier("return"))
{
if (scanner.TryGetDelimiter(";"))
{
return(new ReturnStatement(null));
}
else
{
Expression expression = ParseExpression(scanner);
scanner.GetDelimiter(";");
return(new ReturnStatement(expression));
}
}
else if (scanner.TryGetDelimiter("{"))
{
return(CodeParser.ParseBlock(scanner.ScanAcross("{", "}")));
}
else if (scanner.TryGetDelimiter(";"))
{
return(new NullStatement());
}
else
{
Expression expression = ParseExpression(scanner);
scanner.GetDelimiter(";");
return(new ExpressionStatement(expression));
}
}
public ForEachStatement(string variabletype, string variablename, Expression collection, Statement loopstatement, Statement elsestatement)
{
if (variabletype == null)
{
throw new ArgumentNullException("variabletype");
}
if (variablename == null)
{
throw new ArgumentNullException("variablename");
}
if (collection == null)
{
throw new ArgumentNullException("collection");
}
if (loopstatement == null)
{
throw new ArgumentNullException("loopstatement");
}
if (elsestatement == null)
{
throw new ArgumentNullException("elsestatement");
}
this.variabletype = variabletype;
this.variablename = variablename;
this.collection = collection;
this.loopstatement = loopstatement;
this.elsestatement = elsestatement;
}
