/// <summary>
/// Create a default constructor without parameters
/// </summary>
/// <param name="type">Type node</param>
private void GenerateDefaultCtor(TypeNode type)
{
var node = new MethodNode(".ctor", new SignatureNode("void"), false);
node.Body.Statements.Add(Expr.Return());
node.SetParameters();
node.Owner = type;
AddMethod(type, node);
}
/// <summary>
/// Create an automatic .Equal() method
/// </summary>
/// <param name="type">Type node</param>
private void GenerateAutoComparator(TypeNode type)
{
var node = new MethodNode("equal", new SignatureNode("bool"), false);
// define parameter
var parameters = new HashList<ParameterNode>();
var param = new ParameterNode("_obj", new SignatureNode(type.Name), 0);
parameters.Add(param.Name, param);
// generate series of comparisons
foreach(var curr in type.Fields)
{
//
// if(@<name> != _obj.<name>) return false;
//
node.Body.Statements.Add(
Expr.If(
Expr.Compare(
Expr.IdentifierGet(curr, true),
Lexer.LexemType.NotEqual,
Expr.IdentifierGet(curr, Expr.IdentifierGet("_obj"))
),
Expr.Return(
Expr.Bool(true)
)
)
);
}
// return true
node.Body.Statements.Add(
Expr.Return(
Expr.Bool(true)
)
);
node.SetParameters(parameters);
node.Owner = type;
AddMethod(type, node);
}
/// <summary>
/// Create an automatic constructor to set all fields
/// </summary>
/// <param name="type">Type node</param>
private void GenerateAutoCtor(TypeNode type)
{
var node = new MethodNode(".ctor", new SignatureNode("void"), false);
var parameters = new HashList<ParameterNode>();
int idx = 0;
foreach(var curr in type.Fields)
{
var param = new ParameterNode("_" + curr, type.Fields[curr].Type, idx);
parameters.Add("_" + curr, param);
idx++;
var assignNode = new IdentifierSetNode(curr, true);
assignNode.Expression = new IdentifierGetNode("_" + curr);
node.Body.Statements.Add(assignNode);
}
node.SetParameters(parameters);
node.Owner = type;
AddMethod(type, node);
}
/// <summary>
/// Create a method in a type
/// </summary>
/// <param name="owner">Owner type node</param>
/// <param name="name">Method name</param>
/// <param name="type">Method return value type signature</param>
/// <param name="parameters">Method parameters list</param>
/// <param name="isStatic">Static flag</param>
/// <returns></returns>
public MethodNode CreateMethod(TypeNode owner, string name, SignatureNode type, HashList<ParameterNode> parameters = null, bool isStatic = false, bool prepare = false)
{
// cannot add methods to built-in types
if (owner.BuiltIn)
throw new CompilerException(String.Format(Resources.errExtendBuiltInType, owner.Name));
// create method in assembly and in Mirelle Registry
var method = new MethodNode(name, type, isStatic);
method.SetParameters(parameters);
// check if an identical method hasn't already been declared
if (owner.Methods.Contains(method.Name))
{
if(owner.Methods[method.Name].Exists(curr => curr.Signature == method.Signature))
throw new CompilerException(String.Format(Resources.errMethodRedefinition, method.Name, owner.Name));
}
// register method in the parent type
AddMethod(owner, method);
method.Owner = owner;
if (prepare)
PrepareMethod(method);
return method;
}
