public override DynamicMetaObject FallbackConvert(DynamicMetaObject target, DynamicMetaObject errorSuggestion)
{
var ctx = DynamicContext.Create();
var expr = ctx.CreateCompilerExpression(null, target);
if (Explicit)
{
expr = new Compiler.Cast(new Compiler.TypeExpression(ctx.ImportType(Type), Compiler.Location.Null), expr, Compiler.Location.Null);
}
else
{
expr = new Compiler.ImplicitCast(expr, ctx.ImportType(Type), (flags & CSharpBinderFlags.ConvertArrayIndex) != 0);
}
if ((flags & CSharpBinderFlags.CheckedContext) != 0)
{
expr = new Compiler.CheckedExpr(expr, Compiler.Location.Null);
}
var binder = new CSharpBinder(this, expr, errorSuggestion);
binder.AddRestrictions(target);
return(binder.Bind(ctx, context));
}
public override DynamicMetaObject FallbackBinaryOperation(DynamicMetaObject target, DynamicMetaObject arg, DynamicMetaObject errorSuggestion)
{
var ctx = DynamicContext.Create();
var left = ctx.CreateCompilerExpression(argumentInfo [0], target);
var right = ctx.CreateCompilerExpression(argumentInfo [1], arg);
bool is_compound;
var oper = GetOperator(out is_compound);
Compiler.Expression expr;
if (is_compound)
{
var target_expr = new Compiler.RuntimeValueExpression(target, ctx.ImportType(target.LimitType));
expr = new Compiler.CompoundAssign(oper, target_expr, right, left);
}
else
{
expr = new Compiler.Binary(oper, left, right);
}
expr = new Compiler.Cast(new Compiler.TypeExpression(ctx.ImportType(ReturnType), Compiler.Location.Null), expr, Compiler.Location.Null);
if ((flags & CSharpBinderFlags.CheckedContext) != 0)
{
expr = new Compiler.CheckedExpr(expr, Compiler.Location.Null);
}
var binder = new CSharpBinder(this, expr, errorSuggestion);
binder.AddRestrictions(target);
binder.AddRestrictions(arg);
return(binder.Bind(ctx, context));
}
public override DynamicMetaObject FallbackGetIndex(DynamicMetaObject target, DynamicMetaObject[] indexes, DynamicMetaObject errorSuggestion)
{
if (argumentInfo.Count != indexes.Length + 1)
{
if (errorSuggestion == null)
{
throw new NotImplementedException();
}
return(errorSuggestion);
}
var ctx = DynamicContext.Create();
var expr = ctx.CreateCompilerExpression(argumentInfo [0], target);
var args = ctx.CreateCompilerArguments(argumentInfo.Skip(1), indexes);
expr = new Compiler.ElementAccess(expr, args, Compiler.Location.Null);
expr = new Compiler.Cast(new Compiler.TypeExpression(ctx.ImportType(ReturnType), Compiler.Location.Null), expr, Compiler.Location.Null);
var binder = new CSharpBinder(this, expr, errorSuggestion);
binder.AddRestrictions(target);
binder.AddRestrictions(indexes);
return(binder.Bind(ctx, callingContext));
}
public override DynamicMetaObject FallbackInvokeMember(DynamicMetaObject target, DynamicMetaObject[] args, DynamicMetaObject errorSuggestion)
{
var ctx = DynamicContext.Create();
var c_args = ctx.CreateCompilerArguments(argumentInfo.Skip(1), args);
var t_args = typeArguments == null ?
null :
new Compiler.TypeArguments(typeArguments.Select(l => new Compiler.TypeExpression(ctx.ImportType(l), Compiler.Location.Null)).ToArray());
var expr = ctx.CreateCompilerExpression(argumentInfo[0], target);
//
// Simple name invocation is actually member access invocation
// to capture original this argument. This brings problem when
// simple name is resolved as a static invocation and member access
// has to be reduced back to simple name without reporting an error
//
if ((flags & CSharpBinderFlags.InvokeSimpleName) != 0)
{
var value = expr as Compiler.RuntimeValueExpression;
if (value != null)
{
value.IsSuggestionOnly = true;
}
}
expr = new Compiler.MemberAccess(expr, Name, t_args, Compiler.Location.Null);
expr = new Invocation(expr, c_args, this);
if ((flags & CSharpBinderFlags.ResultDiscarded) == 0)
{
expr = new Compiler.Cast(new Compiler.TypeExpression(ctx.ImportType(ReturnType), Compiler.Location.Null), expr, Compiler.Location.Null);
}
else
{
expr = new Compiler.DynamicResultCast(ctx.ImportType(ReturnType), expr);
}
var binder = new CSharpBinder(this, expr, errorSuggestion);
binder.AddRestrictions(target);
binder.AddRestrictions(args);
if ((flags & CSharpBinderFlags.InvokeSpecialName) != 0)
{
binder.ResolveOptions |= Compiler.ResolveContext.Options.InvokeSpecialName;
}
return(binder.Bind(ctx, callingContext));
}
public override DynamicMetaObject FallbackGetMember(DynamicMetaObject target, DynamicMetaObject errorSuggestion)
{
var ctx = DynamicContext.Create();
var expr = ctx.CreateCompilerExpression(argumentInfo [0], target);
expr = new Compiler.MemberAccess(expr, Name);
expr = new Compiler.Cast(new Compiler.TypeExpression(ctx.ImportType(ReturnType), Compiler.Location.Null), expr, Compiler.Location.Null);
var binder = new CSharpBinder(this, expr, errorSuggestion);
binder.AddRestrictions(target);
return(binder.Bind(ctx, callingContext));
}
public override DynamicMetaObject Bind(DynamicMetaObject target, DynamicMetaObject[] args)
{
var ctx = DynamicContext.Create();
var context_type = ctx.ImportType(callingContext);
var queried_type = ctx.ImportType(target.LimitType);
var rc = new Compiler.ResolveContext(new RuntimeBinderContext(ctx, context_type), 0);
var expr = Compiler.Expression.MemberLookup(rc, context_type, queried_type,
name, 0, Compiler.Expression.MemberLookupRestrictions.ExactArity, Compiler.Location.Null);
var binder = new CSharpBinder(
this, new Compiler.BoolConstant(expr is Compiler.EventExpr, Compiler.Location.Null), null);
binder.AddRestrictions(target);
return(binder.Bind(ctx, callingContext));
}
public override DynamicMetaObject Bind(DynamicMetaObject target, DynamicMetaObject[] args)
{
var ctx = DynamicContext.Create();
var type = ctx.CreateCompilerExpression(argumentInfo [0], target);
target_return_type = type.Type.GetMetaInfo();
var c_args = ctx.CreateCompilerArguments(argumentInfo.Skip(1), args);
var binder = new CSharpBinder(
this, new Compiler.New(type, c_args, Compiler.Location.Null), null);
binder.AddRestrictions(target);
binder.AddRestrictions(args);
return(binder.Bind(ctx, callingContext));
}
public override DynamicMetaObject FallbackSetIndex(DynamicMetaObject target, DynamicMetaObject[] indexes, DynamicMetaObject value, DynamicMetaObject errorSuggestion)
{
if (argumentInfo.Count != indexes.Length + 2)
{
if (errorSuggestion == null)
{
throw new NotImplementedException();
}
return(errorSuggestion);
}
var ctx = DynamicContext.Create();
var expr = ctx.CreateCompilerExpression(argumentInfo [0], target);
var args = ctx.CreateCompilerArguments(argumentInfo.Skip(1), indexes);
expr = new Compiler.ElementAccess(expr, args, Compiler.Location.Null);
var source = ctx.CreateCompilerExpression(argumentInfo [indexes.Length + 1], value);
// Same conversion as in SetMemberBinder
if ((flags & CSharpBinderFlags.ValueFromCompoundAssignment) != 0)
{
expr = new Compiler.RuntimeExplicitAssign(expr, source);
}
else
{
expr = new Compiler.SimpleAssign(expr, source);
}
expr = new Compiler.Cast(new Compiler.TypeExpression(ctx.ImportType(ReturnType), Compiler.Location.Null), expr, Compiler.Location.Null);
if ((flags & CSharpBinderFlags.CheckedContext) != 0)
{
expr = new Compiler.CheckedExpr(expr, Compiler.Location.Null);
}
var binder = new CSharpBinder(this, expr, errorSuggestion);
binder.AddRestrictions(target);
binder.AddRestrictions(value);
binder.AddRestrictions(indexes);
return(binder.Bind(ctx, callingContext));
}
public override DynamicMetaObject FallbackUnaryOperation(DynamicMetaObject target, DynamicMetaObject errorSuggestion)
{
var ctx = DynamicContext.Create();
var expr = ctx.CreateCompilerExpression(argumentInfo [0], target);
if (Operation == ExpressionType.IsTrue)
{
expr = new Compiler.BooleanExpression(expr);
}
else if (Operation == ExpressionType.IsFalse)
{
expr = new Compiler.BooleanExpressionFalse(expr);
}
else
{
if (Operation == ExpressionType.Increment)
{
expr = new Compiler.UnaryMutator(Compiler.UnaryMutator.Mode.PreIncrement, expr, Compiler.Location.Null);
}
else if (Operation == ExpressionType.Decrement)
{
expr = new Compiler.UnaryMutator(Compiler.UnaryMutator.Mode.PreDecrement, expr, Compiler.Location.Null);
}
else
{
expr = new Compiler.Unary(GetOperator(), expr, Compiler.Location.Null);
}
expr = new Compiler.Cast(new Compiler.TypeExpression(ctx.ImportType(ReturnType), Compiler.Location.Null), expr, Compiler.Location.Null);
if ((flags & CSharpBinderFlags.CheckedContext) != 0)
{
expr = new Compiler.CheckedExpr(expr, Compiler.Location.Null);
}
}
var binder = new CSharpBinder(this, expr, errorSuggestion);
binder.AddRestrictions(target);
return(binder.Bind(ctx, context));
}
public override DynamicMetaObject FallbackSetMember(DynamicMetaObject target, DynamicMetaObject value, DynamicMetaObject errorSuggestion)
{
var ctx = DynamicContext.Create();
var source = ctx.CreateCompilerExpression(argumentInfo [1], value);
var expr = ctx.CreateCompilerExpression(argumentInfo [0], target);
// Field assignment
expr = new Compiler.MemberAccess(expr, Name);
// Compound assignment under dynamic context does not convert result
// expression but when setting member type we need to do explicit
// conversion to ensure type match between member type and dynamic
// expression type
if ((flags & CSharpBinderFlags.ValueFromCompoundAssignment) != 0)
{
expr = new Compiler.RuntimeExplicitAssign(expr, source);
}
else
{
expr = new Compiler.SimpleAssign(expr, source);
}
expr = new Compiler.Cast(new Compiler.TypeExpression(ctx.ImportType(ReturnType), Compiler.Location.Null), expr, Compiler.Location.Null);
if ((flags & CSharpBinderFlags.CheckedContext) != 0)
{
expr = new Compiler.CheckedExpr(expr, Compiler.Location.Null);
}
var binder = new CSharpBinder(this, expr, errorSuggestion);
binder.AddRestrictions(target);
binder.AddRestrictions(value);
return(binder.Bind(ctx, callingContext));
}
public override DynamicMetaObject FallbackInvoke(DynamicMetaObject target, DynamicMetaObject[] args, DynamicMetaObject errorSuggestion)
{
var ctx = DynamicContext.Create();
var expr = ctx.CreateCompilerExpression(argumentInfo [0], target);
var c_args = ctx.CreateCompilerArguments(argumentInfo.Skip(1), args);
expr = new Compiler.Invocation(expr, c_args);
if ((flags & CSharpBinderFlags.ResultDiscarded) == 0)
{
expr = new Compiler.Cast(new Compiler.TypeExpression(ctx.ImportType(ReturnType), Compiler.Location.Null), expr, Compiler.Location.Null);
}
else
{
expr = new Compiler.DynamicResultCast(ctx.ImportType(ReturnType), expr);
}
var binder = new CSharpBinder(this, expr, errorSuggestion);
binder.AddRestrictions(target);
binder.AddRestrictions(args);
return(binder.Bind(ctx, callingContext));
}