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 DynamicMetaObject Bind (DynamicContext ctx, Type callingType)
{
Expression res;
try {
var rc = new Compiler.ResolveContext (new RuntimeBinderContext (ctx, callingType), ResolveOptions);
// Static typemanager and internal caches are not thread-safe
lock (resolver) {
expr = expr.Resolve (rc, Compiler.ResolveFlags.VariableOrValue);
}
if (expr == null)
throw new RuntimeBinderInternalCompilerException ("Expression resolved to null");
res = expr.MakeExpression (new Compiler.BuilderContext ());
} catch (RuntimeBinderException e) {
if (errorSuggestion != null)
return errorSuggestion;
res = CreateBinderException (e.Message);
} catch (Exception) {
if (errorSuggestion != null)
return errorSuggestion;
throw;
}
return new DynamicMetaObject (res, restrictions);
}
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 static DynamicContext Create()
{
if (dc != null)
{
return(dc);
}
lock (compiler_initializer) {
if (dc != null)
{
return(dc);
}
var settings = new Compiler.CompilerSettings()
{
WarningLevel = 0
};
var cc = new Compiler.CompilerContext(settings, ErrorPrinter.Instance)
{
IsRuntimeBinder = true
};
//
// Any later loaded assemblies are handled internally by GetAssemblyDefinition
// domain.AssemblyLoad cannot be used as that would be too destructive as we
// would hold all loaded assemblies even if they can be never visited
//
// TODO: Remove this code and rely on GetAssemblyDefinition only
//
var module = new Compiler.ModuleContainer(cc);
module.HasTypesFullyDefined = true;
// Setup fake assembly, it's used mostly to simplify checks like friend-access
var temp = new Compiler.AssemblyDefinitionDynamic(module, "dynamic");
module.SetDeclaringAssembly(temp);
var importer = new Compiler.ReflectionImporter(module, cc.BuiltinTypes)
{
IgnorePrivateMembers = false
};
// Import all currently loaded assemblies
// TODO: Rewrite this to populate type cache on-demand, that should greatly
// reduce our start-up cost
var domain = AppDomain.CurrentDomain;
foreach (var a in AppDomain.CurrentDomain.GetAssemblies())
{
importer.ImportAssembly(a, module.GlobalRootNamespace);
}
cc.BuiltinTypes.CheckDefinitions(module);
module.InitializePredefinedTypes();
dc = new DynamicContext(module, importer);
}
return(dc);
}
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, false, queried_type,
name, 0, Compiler.Expression.MemberLookupRestrictions.ExactArity, Compiler.Location.Null);
var binder = new CSharpBinder(
this, new Compiler.BoolConstant(ctx.CompilerContext.BuiltinTypes, 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));
}
public DynamicMetaObject Bind(DynamicContext ctx, Type callingType)
{
Expression res;
try {
var rc = new Compiler.ResolveContext(new RuntimeBinderContext(ctx, callingType), ResolveOptions);
// Static typemanager and internal caches are not thread-safe
lock (resolver) {
expr = expr.Resolve(rc, Compiler.ResolveFlags.VariableOrValue);
}
if (expr == null)
{
throw new RuntimeBinderInternalCompilerException("Expression resolved to null");
}
res = expr.MakeExpression(new Compiler.BuilderContext());
} catch (RuntimeBinderException e) {
if (errorSuggestion != null)
{
return(errorSuggestion);
}
res = CreateBinderException(e.Message);
} catch (Exception) {
if (errorSuggestion != null)
{
return(errorSuggestion);
}
throw;
}
return(new DynamicMetaObject(res, restrictions));
}
public static DynamicContext Create ()
{
if (dc != null)
return dc;
lock (compiler_initializer) {
if (dc != null)
return dc;
var settings = new Compiler.CompilerSettings () {
WarningLevel = 0
};
var cc = new Compiler.CompilerContext (settings, ErrorPrinter.Instance) {
IsRuntimeBinder = true
};
//
// Any later loaded assemblies are handled internally by GetAssemblyDefinition
// domain.AssemblyLoad cannot be used as that would be too destructive as we
// would hold all loaded assemblies even if they can be never visited
//
// TODO: Remove this code and rely on GetAssemblyDefinition only
//
var module = new Compiler.ModuleContainer (cc);
module.HasTypesFullyDefined = true;
// Setup fake assembly, it's used mostly to simplify checks like friend-access
var temp = new Compiler.AssemblyDefinitionDynamic (module, "dynamic");
module.SetDeclaringAssembly (temp);
var importer = new Compiler.ReflectionImporter (module, cc.BuiltinTypes) {
IgnorePrivateMembers = false
};
// Import all currently loaded assemblies
// TODO: Rewrite this to populate type cache on-demand, that should greatly
// reduce our start-up cost
var domain = AppDomain.CurrentDomain;
foreach (var a in AppDomain.CurrentDomain.GetAssemblies ()) {
importer.ImportAssembly (a, module.GlobalRootNamespace);
}
cc.BuiltinTypes.CheckDefinitions (module);
module.InitializePredefinedTypes ();
dc = new DynamicContext (module, importer);
}
return dc;
}
public RuntimeBinderContext (DynamicContext ctx, Compiler.TypeSpec callingType)
{
this.ctx = ctx;
this.module = ctx.Module;
this.callingTypeImported = callingType;
}
public RuntimeBinderContext(DynamicContext ctx, Type callingType)
{
this.ctx = ctx;
this.module = ctx.Module;
this.callingType = callingType;
}
public RuntimeBinderContext(DynamicContext ctx, Compiler.TypeSpec callingType)
{
this.ctx = ctx;
this.module = ctx.Module;
this.callingTypeImported = callingType;
}
public RuntimeBinderContext (DynamicContext ctx, Type callingType)
{
this.ctx = ctx;
this.module = ctx.Module;
this.callingType = callingType;
}