public static Expr Join(ICall call)
{
var ctx = call.Ctx;
var separator = call.Arg(0, "separator");
var values = call.Arg(1);
var sepExpr = new ExprJsExplicit(ctx, "separator || \"\"", ctx.String, separator);
var expr = new ExprJsResolvedMethod(ctx, ctx.String, values, "join", sepExpr);
return(expr);
}
public static Stmt get_Value(Ctx ctx)
{
var excCtor = ctx.Module.Import(typeof(InvalidOperationException).GetConstructor(Type.EmptyTypes));
var invalidOperationException = new ExprNewObj(ctx, excCtor);
var throwInvalidOperationException = new StmtThrow(ctx, invalidOperationException);
var cond = new ExprJsExplicit(ctx, "(this === null)", ctx.Boolean, ctx.ThisNamed);
var throwIf = new StmtIf(ctx, cond, throwInvalidOperationException, null);
var ret = new StmtReturn(ctx, ctx.This);
var stmt = new StmtBlock(ctx, throwIf, ret);
return(stmt);
}
public static Expr SortComparer(ICall call)
{
var ctx = call.Ctx;
var t = call.CallMethod.DeclaringType.GetGenericArgument(0);
var tComparer = call.CallMethod.Parameters.First().ParameterType.FullResolve(call.CallMethod);
var mGenSort = ((Action <T[], IComparer <T> >)Array.Sort <T>).Method.GetGenericMethodDefinition();
var mSort = ctx.Module.Import(mGenSort).MakeGeneric(t);
var comparer = call.Arg(0, "comparer");
var mDefaultComparerNet = typeof(Comparer <T>).GetProperty("Default").GetMethod;
var mDefaultComparer = ctx.Module.Import(mDefaultComparerNet);
var defaultComparerCall = new ExprCall(ctx, mDefaultComparer, null).Named("defaultComparerCall");
var ensureComparer = new ExprJsExplicit(ctx, "(comparer || defaultComparerCall)", tComparer, comparer, defaultComparerCall);
return(new ExprCall(ctx, mSort, null, GetNamedArrayField(call).Expr, ensureComparer));
}
public Stmt GetImpl(Ctx ctx)
{
// Recursively deep-copy a value-type
var unmappedType = ((GenericInstanceMethod)ctx.MRef).GenericArguments[0];
if (unmappedType.IsNullable())
{
var innerType = unmappedType.GetNullableInnerType();
var dc = ValueTypeDeepCopyIfRequired(innerType, () => ctx.MethodParameter(0));
var a = ctx.MethodParameter(0, "a");
if (dc == null)
{
return(new StmtJsExplicit(ctx, "return a;", a));
}
else
{
var copy = dc.Named("copy");
var js = "return a ? copy : a;";
return(new StmtJsExplicit(ctx, js, a, copy));
}
}
else
{
var type = JsResolver.TypeMap(unmappedType) ?? unmappedType;
var fields = type.EnumResolvedFields().Where(x => !x.Resolve().IsStatic).ToArray();
var o = ctx.MethodParameter(0, "o");
var copy = string.Join(",", fields.Select((x, i) => string.Format("f{0}:v{0}", i)));
var fieldNames = fields.Select((x, i) => new ExprJsFieldVarName(ctx, x).Named("f" + i)).ToArray();
var fieldValues = fields.Select((x, i) => {
var fieldType = x.FieldType.FullResolve(x);
var fieldAccess = new ExprJsExplicit(ctx, "o.field", fieldType, o, new ExprJsFieldVarName(ctx, x).Named("field"));
var dc = ValueTypeDeepCopyIfRequired(fieldType, () => fieldAccess);
return((dc ?? fieldAccess).Named("v" + i));
}).ToArray();
var js = "return o._ ? o : {" + copy + "}";
return(new StmtJsExplicit(ctx, js, fieldNames.Concat(fieldValues).Concat(o)));
}
}
protected override ICode VisitJsExplicit(ExprJsExplicit e)
{
this.code.Append(e.JavaScript);
return(e);
}