public static Lambda GenerateGlobalScopeConstructor(this Project globalScope, Context ctx)
{
var nodesToDeclare = globalScope.NodesDeclaredInScope();
var nodesToInitialize = globalScope.NodesToInitializeInScope();
// Making a new name for the transformed application ctor that takes an App as parameter
// This is so we can still keep the regular ctor for use in other ux files
var mutatingAppCtorName = ctx.Names.GetUniqueName();
var names = ctx.Names.Reserve(mutatingAppCtorName).GenerateNames(nodesToDeclare);
var newCtx = ctx.With(names: names);
var declarations = nodesToDeclare.GetDeclarations(newCtx).ToImmutableList();
var appCtor = declarations.FirstOrDefault(decl => decl.IsAppConstructor());
if (appCtor == null)
{
throw new MissingAppTag();
}
return(new Lambda(
Signature.Action(Variable.This),
localVariables:
declarations,
statements:
nodesToInitialize.GetInitializations(newCtx)
.Concat(nodesToDeclare.RegisterGlobalKeys(newCtx))
.Concat(new [] { new CallLambda(new ReadVariable(appCtor.Variable), new ReadVariable(Variable.This)) })));
}
public static IBinaryMessage Execute(ObjectIdentifier id, Func <Expression, Statement> objectTransform)
{
return(new BytecodeUpdated(
new Lambda(
Signature.Action(),
Enumerable.Empty <BindVariable>(),
new[] { ExecuteStatement(id, objectTransform) })));
}
static Statement ExecuteStatementMultiple(ObjectIdentifier id, Func <Expression, Statement[]> objectTransform)
{
return(new CallStaticMethod(
TryExecuteOnObjectsWithTag,
new StringLiteral(id.ToString()),
new Lambda(
Signature.Action(Variable.This),
Enumerable.Empty <BindVariable>(),
objectTransform(new ReadVariable(Variable.This)))));
}
public IObservable <CoalesceEntry> CreateMessages(FileDataWithMetadata <T> file)
{
try
{
return(_statementToExecute(file)
.Select(s => new[] { s }.MakeExecute())
.ToCoalesceEntry(file.Metadata.ToString(), addFirst: true));
}
catch (Exception)
{
return(Observable.Return(new BytecodeUpdated(new Lambda(Signature.Action(), Enumerable.Empty <BindVariable>(), Enumerable.Empty <Statement>())))
.ToCoalesceEntry("invalid-file-dependency"));
}
}
IObservable <CoalesceEntry> ReifyProject(IObservable <ProjectBytecode> bytecode, IObservable <BytecodeUpdated> bytecodeUpdated, CoalesceEntryCache cache, IObservable <IEnumerable <AbsoluteFilePath> > assets)
{
int idx = 0;
var bytecodeUpdates = bytecodeUpdated.Select(m => m.ToCoalesceEntry(BytecodeUpdated.MessageType + (++idx)))
.Publish()
.RefCount();
var clearOldUpdates = bytecodeUpdates
.Buffer(bytecode)
.Select(
oldUpdates =>
{
var cachedUpdates = new List <CoalesceEntry>();
foreach (var oldUpdate in oldUpdates)
{
cachedUpdates.Add(new CoalesceEntry()
{
BlobData = Optional.None(),
CoalesceKey = oldUpdate.CoalesceKey
});
}
return(cachedUpdates);
})
.SelectMany(t => t);
var reify = bytecode.WithLatestFromBuffered(assets, (bc, ass) =>
{
var waitForDependencies = Task.WaitAll(new []
{
bc.Dependencies.Select(d => cache.HasEntry(d.ToString()))
.ToObservableEnumerable()
.FirstAsync()
.ToTask(),
ass.Select(d => cache.HasEntry(d.ToString()))
.ToObservableEnumerable()
.FirstAsync()
.ToTask()
}, TimeSpan.FromSeconds(60));
if (waitForDependencies == false)
{
throw new TimeoutException("Failed to load all assets dependencies.");
}
try
{
return(new BytecodeGenerated(
new ProjectBytecode(
reify: new Lambda(
Signature.Action(Variable.This),
Enumerable.Empty <BindVariable>(),
new[]
{
ExpressionConverter.BytecodeFromSimpleLambda(() => ObjectTagRegistry.Clear()),
new CallLambda(bc.Reify, new ReadVariable(Variable.This)),
}),
metadata: bc.Metadata,
dependencies: bc.Dependencies))
.ToCoalesceEntry(BytecodeGenerated.MessageType));
}
catch (Exception)
{
return(new BytecodeUpdated(
new Lambda(
Signature.Action(),
Enumerable.Empty <BindVariable>(),
Enumerable.Empty <Statement>()))
.ToCoalesceEntry("invalid-byte-code"));
}
})
.CatchAndRetry(TimeSpan.FromSeconds(15),
e =>
{
_logMessages.OnNext("Failed to refresh because: " + e.Message);
});
return(Observable.Merge(clearOldUpdates, reify, bytecodeUpdates));
}
static Expression GetPropertyExpression(Context ctx, Property property, Optional <Expression> maybeObj)
{
var propertyName = property.GetMemberName();
var propertyType = property.Facet.DataType.GetTypeName();
var vars = ctx.Names;
var propObj = vars.GetUniqueName();
vars = vars.Reserve(propObj);
var value = vars.GetUniqueName();
vars = vars.Reserve(value);
var origin = vars.GetUniqueName();
vars = vars.Reserve(origin);
if (ctx.IsDeclaredInUx(property))
{
var setter = new Lambda(
signature: Signature.Action(propObj, value, origin),
localVariables: new BindVariable[0],
statements: new Statement[]
{
new CallStaticMethod(
StaticMemberName.Parse("Uno.UX.SimulatedProperties.Set"),
new ReadVariable(propObj),
new StringLiteral(propertyName.Name),
new ReadVariable(value),
new ReadVariable(origin))
});
var getter = new Lambda(
signature: new Signature(List.Create(new Parameter(TypeName.Parse("object"), propObj)), propertyType),
localVariables: new BindVariable[0],
statements: new Statement[]
{
new Return(
new CallStaticMethod(
StaticMemberName.Parse("Uno.UX.SimulatedProperties.Get"),
new ReadVariable(propObj),
new StringLiteral(propertyName.Name))),
});
var mp = (IMutableProperty)property.Facet;
return(new Instantiate(
UxPropertyType.Parameterize(propertyType),
setter,
getter,
maybeObj.Or((Expression) new StringLiteral(null)),
// the only null we've got is string
new StringLiteral(propertyName.Name),
new BooleanLiteral(mp.OriginSetterName != null)
));
}
else
{
var obj = maybeObj.Or((Expression) new ReadVariable(propObj));
var setter = new Lambda(
signature: Signature.Action(propObj, value, origin),
localVariables: new BindVariable[0],
statements: new[]
{
property.SetValueStatement(ctx, obj, new ReadVariable(value), new ReadVariable(origin))
});
var getter = new Lambda(
signature: new Signature(List.Create(new Parameter(TypeName.Parse("object"), propObj)), propertyType),
localVariables: new BindVariable[0],
statements: new[]
{
new Return(property.GetValueStatement(ctx, obj))
});
var mp = (IMutableProperty)property.Facet;
return(new Instantiate(
UxPropertyType.Parameterize(propertyType),
setter,
getter,
maybeObj.Or((Expression) new StringLiteral(null)),
// the only null we've got is string
new StringLiteral(propertyName.Name),
new BooleanLiteral(mp.OriginSetterName != null)
));
}
}
