| public static GetArrayKeyword ( int dims ) : Symbol | ||
| dims | int | |
| Résultat | Symbol | |
public static LNode of(LNode node, IMessageSink sink)
{
LNode kind;
if (node.ArgCount == 2 && (kind = node.Args[0]).IsId)
{
if (kind.IsIdNamed(_array))
{
return(node.WithArgChanged(0, kind.WithName(S.Array)));
}
if (kind.IsIdNamed(_opt))
{
return(node.WithArgChanged(0, kind.WithName(S.QuestionMark)));
}
if (kind.IsIdNamed(_ptr))
{
return(node.WithArgChanged(0, kind.WithName(S._Pointer)));
}
}
else if (node.ArgCount == 3 && (kind = node.Args[0]).IsIdNamed(_array) && node.Args[1].IsLiteral)
{
return(node.WithArgs(kind.WithName(S.GetArrayKeyword((int)node.Args[1].Value)), node.Args[2]));
}
return(null);
}
public void CsDataTypes()
{
Stmt("double x;", F.Vars(F.Double, x));
Stmt("int[] x;", F.Vars(F.Of(S.Array, S.Int32), x));
Stmt("long* x;", F.Vars(F.Of(S._Pointer, S.Int64), x));
Stmt("string[][,] x;", F.Vars(F.Of(_(S.Array), F.Of(S.TwoDimensionalArray, S.String)), x));
Stmt("typeof(float*);", F.Call(S.Typeof, F.Of(S._Pointer, S.Single)));
Stmt("decimal[,,,] x;", F.Vars(F.Of(S.GetArrayKeyword(4), S.Decimal), x));
Stmt("double? x;", F.Vars(F.Of(S.QuestionMark, S.Double), x));
Stmt("Foo<a.b.c>? x;", F.Vars(F.Of(_(S.QuestionMark), F.Of(Foo, F.Dot(a, b, c))), x));
Stmt("Foo<a?,b.c[,]>[] x;", F.Vars(F.Of(_(S.Array), F.Of(Foo, F.Of(_(S.QuestionMark), a), F.Of(_(S.TwoDimensionalArray), F.Dot(b, c)))), x));
}
private void PrintTypeWithArraySizes(LNode cons)
{
LNode type = cons.Target;
// Called by AutoPrintNewOperator; type is already validated.
Debug.Assert(type.Calls(S.Of, 2) && S.IsArrayKeyword(type.Args[0].Name));
// We have to deal with the "constructor arguments" specially.
// First of all, the constructor arguments appear inside the
// square brackets, which is unusual: int[x + y]. But there's
// something much more strange in case of arrays of arrays: the
// order of the square brackets must be reversed. If the
// constructor argument is 10, an array of two-dimensional
// arrays of int is written int[10][,], rather than int[,][10]
// which would be easier to handle.
int dims = cons.ArgCount, innerDims;
LNode elemType = type.Args[1];
var dimStack = InternalList <int> .Empty;
while ((innerDims = CountDimensionsIfArrayType(elemType)) != 0)
{
dimStack.Add(innerDims);
elemType = elemType.Args[1];
}
PrintType(elemType, EP.Primary.LeftContext(ContinueExpr));
_out.Write('[', true);
bool first = true;
foreach (var arg in cons.Args)
{
if (first)
{
first = false;
}
else
{
WriteThenSpace(',', SpaceOpt.AfterComma);
}
PrintExpr(arg, StartExpr, 0);
}
_out.Write(']', true);
// Write the brackets for the inner array types
for (int i = dimStack.Count - 1; i >= 0; i--)
{
_out.Write(S.GetArrayKeyword(dimStack[i]).Name, true);
}
}
public void CsOperatorNew()
{
Expr("new Foo(x)", F.Call(S.New, F.Call(Foo, x)));
Expr("new Foo(x) { a }", F.Call(S.New, F.Call(Foo, x), a));
Expr("new Foo()", F.Call(S.New, F.Call(Foo)));
Expr("new Foo { a }", F.Call(S.New, F.Call(Foo), a)); // new Foo() { a } would also be ok
Expr("new int[] { a, b }", F.Call(S.New, F.Call(F.Of(S.Array, S.Int32)), a, b));
Expr("new[] { a, b }", F.Call(S.New, F.Call(S.Array), a, b));
Expr("new[] { }", F.Call(S.New, F.Call(S.Array)));
Expr("new int[][,] { a }", F.Call(S.New, F.Call(F.Of(_(S.Array), F.Of(S.TwoDimensionalArray, S.Int32))), a));
// This expression is illegal since it requires an initializer list, but it's parsable so should print ok
Expr("new int[][,][,,]", F.Call(S.New, F.Call(F.Of(_(S.Array), F.Of(_(S.TwoDimensionalArray), F.Of(S.GetArrayKeyword(3), S.Int32))))), Mode.Both | Mode.ExpectAndDropParserError);
Expr("new int[10][,] { a }", F.Call(S.New, F.Call(F.Of(_(S.Array), F.Of(S.TwoDimensionalArray, S.Int32)), F.Literal(10)), a));
Expr("new int[x, x][]", F.Call(S.New, F.Call(F.Of(_(S.TwoDimensionalArray), F.Of(S.Array, S.Int32)), x, x)));
Expr("new int[,]", F.Call(S.New, F.Call(F.Of(S.TwoDimensionalArray, S.Int32))), Mode.Both | Mode.ExpectAndDropParserError);
Option(Mode.PrintBothParseFirst, "#new(@`[,]`!([Foo] int)());", "new int[,];",
F.Call(S.New, F.Call(F.Of(_(S.TwoDimensionalArray), Attr(Foo, F.Int32)))), p => p.DropNonDeclarationAttributes = true);
Expr("new { a = 1, b = 2 }", F.Call(S.New, F.Missing, F.Call(S.Assign, a, one), F.Call(S.Assign, b, two)));
}