private GenericConstraint BuildConstraintFromChain(string name, ConstraintChain chain, TokenPosition position)
{
// Extracted chain data.
bool valueType = false;
bool defCtor = false;
Expression bases = null;
// Iterator though the chains.
while(chain != null)
{
// Get the chain base.
if(chain.baseExpr != null)
{
Expression newBase = chain.baseExpr;
newBase.SetNext(bases);
bases = newBase;
}
// Check the value type and default constructor.
valueType = valueType || chain.valueType;
defCtor = defCtor || chain.defCtor;
// Check the next chain.
chain = chain.next;
}
// Create the generic constraint.
return new GenericConstraint(name, valueType, defCtor, bases, position);
}
public CompilerException(string what, TokenPosition position)
: base(position.ToString() + ": " + what)
{
this.position = position;
}
private void PrepareFile(AstNode content, string fileName)
{
// Use an special position.
TokenPosition pos = new TokenPosition(fileName, -1, -1);
// Create the file node.
FileNode file = new FileNode(content, pos);
// Add the file into the module node.
moduleNode.AddFirst(file);
}
public ArgTypeAndFlags(Expression type, TokenPosition position)
: this(type, position, false)
{
}
public ArgTypeAndFlags(Expression type, TokenPosition position, bool isParams)
: base(position)
{
this.type = type;
this.isParams = isParams;
}
public MemberFlagsAndMask(MemberFlags flags, TokenPosition position)
: base(position)
{
this.flags = flags;
this.mask = (MemberFlags)(~0);
}
public MemberFlagsAndMask(MemberFlags flags, MemberFlags mask, TokenPosition position)
: base(position)
{
this.flags = flags;
this.mask = mask;
}
void Error(TokenPosition position, string message)
{
throw new CompilerException(message, position);
}
public TokenPosition(TokenPosition position)
{
this.fileName = position.fileName;
this.line = position.line;
this.column = position.column;
}