public AstObjectCreation(string file, int line, int col, AstTypeExpr type)
: base(file, line, col)
{
if (type == null)
throw new ArgumentNullException("type");
_typeExpr = type;
_proxy = new ArgumentsProxy(_arguments);
}
public AstTypecast(string file, int line, int column, AstExpr subject, AstTypeExpr type)
: base(file, line, column)
{
if (subject == null)
throw new ArgumentNullException("subject");
if (type == null)
throw new ArgumentNullException("type");
Subject = subject;
Type = type;
}
public AstGetSetStatic(
string file, int line, int col, PCall call, AstTypeExpr typeExpr, string memberId)
: base(file, line, col, call)
{
if (typeExpr == null)
throw new ArgumentNullException("typeExpr");
if (memberId == null)
throw new ArgumentNullException("memberId");
TypeExpr = typeExpr;
_memberId = memberId;
}
public override bool TryOptimize(CompilerTarget target, out AstExpr expr)
{
expr = null;
_typeExpr = (AstTypeExpr) _GetOptimizedNode(target, _typeExpr);
//Optimize arguments
for (var i = 0; i < _arguments.Count; i++)
{
var arg = _arguments[i];
var oArg = _GetOptimizedNode(target, arg);
if (ReferenceEquals(oArg, arg))
continue;
_arguments[i] = oArg;
}
return false;
}
internal AstObjectCreation(Parser p, AstTypeExpr type)
: this(p.scanner.File, p.t.line, p.t.col, type)
{
}
internal AstTypecast(Parser p, AstExpr subject, AstTypeExpr type)
: this(p.scanner.File, p.t.line, p.t.col, subject, type)
{
}
internal AstGetSetStatic(Parser p, PCall call, AstTypeExpr typeExpr, string memberId)
: this(p.scanner.File, p.t.line, p.t.col, call, typeExpr, memberId)
{
}
public override bool TryOptimize(CompilerTarget target, out AstExpr expr)
{
_OptimizeNode(target, ref _subject);
_type = (AstTypeExpr) _GetOptimizedNode(target, _type);
expr = null;
var constSubject = _subject as AstConstant;
var constType = _type as AstConstantTypeExpression;
if (constSubject == null || constType == null)
return false;
PType type;
try
{
type = target.Loader.ConstructPType(constType.TypeExpression);
}
catch (PrexoniteException)
{
//ignore, cast failed. cannot be optimized
return false;
}
expr =
new AstConstant(File, Line, Column, constSubject.ToPValue(target).Type.Equals(type));
return true;
}
