protected override ICode VisitJsResolvedProperty(ExprJsResolvedProperty e) {
if (e.Call.CallMethod != null) {
var ctx = e.Ctx;
var mDef = e.Call.CallMethod.Resolve();
if (mDef.IsSetter) {
var tRef = e.Call.CallMethod.Parameters.Last().ParameterType;
var tDef = tRef.Resolve();
var attr = tDef.GetCustomAttribute<JsStringEnumAttribute>();
if (attr != null) {
var prop = new ExprJsResolvedProperty(ctx, new FakeCall(e.Call), e.PropertyName).Named("prop");
var type = new ExprJsTypeVarName(ctx, tRef).Named("type");
var enumStringMap = new ExprJsTypeData(ctx, TypeData.EnumStringMap).Named("enumStringMap");
var value = e.Call.Args.Last().Named("value");
var js = "prop = type.enumStringMap[value]";
var expr = new ExprJsExplicit(ctx, js, e.Type, type, enumStringMap, value, prop);
return expr;
}
} else {
var tDef = e.Type.Resolve();
var attr = tDef.GetCustomAttribute<JsStringEnumAttribute>();
if (attr != null) {
var prop = new ExprJsResolvedProperty(ctx, new FakeCall(e.Call), e.PropertyName).Named("prop");
var type = new ExprJsTypeVarName(ctx, e.Type).Named("type");
var enumStringMap = new ExprJsTypeData(ctx, TypeData.EnumStringMap).Named("enumStringMap");
var js = "type.enumStringMap[prop]";
var expr = new ExprJsExplicit(ctx, js, e.Type, prop, type, enumStringMap);
return expr;
}
}
}
return base.VisitJsResolvedProperty(e);
}
protected override ICode VisitJsResolvedProperty(ExprJsResolvedProperty e)
{
if (e.PropertyName == null)
{
// Indexer
this.Visit(e.Call.Obj);
this.js.Append("[");
this.Visit(e.Call.Args.First());
this.js.Append("]");
}
else
{
// Normal attribute/property
if (e.Call.Obj != null)
{
this.Visit(e.Call.Obj);
this.js.Append(".");
}
this.js.Append(e.PropertyName);
}
if (e.Call.CallMethod != null && e.Call.CallMethod.Resolve().IsSetter)
{
this.js.Append(" = ");
this.Visit(e.Call.Args.Last());
}
return(e);
}
protected virtual ICode VisitJsResolvedProperty(ExprJsResolvedProperty e)
{
this.ThrowOnNoOverride();
var call = this.HandleCall(e.Call, (obj, args) => new DupCall {
ExprType = e.Call.ExprType,
CallMethod = e.Call.CallMethod,
IsVirtualCall = e.Call.IsVirtualCall,
Obj = obj,
Args = args,
Type = e.Call.Type,
Ctx = e.Call.Ctx,
});
if (call != e.Call)
{
return(new ExprJsResolvedProperty(e.Ctx, call, e.PropertyName));
}
else
{
return(e);
}
}
protected override ICode VisitJsResolvedProperty(ExprJsResolvedProperty e)
{
if (e.Call.CallMethod != null)
{
var ctx = e.Ctx;
var mDef = e.Call.CallMethod.Resolve();
if (mDef.IsSetter)
{
var tRef = e.Call.CallMethod.Parameters.Last().ParameterType;
var tDef = tRef.Resolve();
var attr = tDef.GetCustomAttribute <JsStringEnumAttribute>();
if (attr != null)
{
var prop = new ExprJsResolvedProperty(ctx, new FakeCall(e.Call), e.PropertyName).Named("prop");
var type = new ExprJsTypeVarName(ctx, tRef).Named("type");
var enumStringMap = new ExprJsTypeData(ctx, TypeData.EnumStringMap).Named("enumStringMap");
var value = e.Call.Args.Last().Named("value");
var js = "prop = type.enumStringMap[value]";
var expr = new ExprJsExplicit(ctx, js, e.Type, type, enumStringMap, value, prop);
return(expr);
}
}
else
{
var tDef = e.Type.Resolve();
var attr = tDef.GetCustomAttribute <JsStringEnumAttribute>();
if (attr != null)
{
var prop = new ExprJsResolvedProperty(ctx, new FakeCall(e.Call), e.PropertyName).Named("prop");
var type = new ExprJsTypeVarName(ctx, e.Type).Named("type");
var enumStringMap = new ExprJsTypeData(ctx, TypeData.EnumStringMap).Named("enumStringMap");
var js = "type.enumStringMap[prop]";
var expr = new ExprJsExplicit(ctx, js, e.Type, prop, type, enumStringMap);
return(expr);
}
}
}
return(base.VisitJsResolvedProperty(e));
}
protected virtual ICode VisitJsResolvedProperty(ExprJsResolvedProperty e) {
this.ThrowOnNoOverride();
var call = this.HandleCall(e.Call, (obj, args) => new DupCall {
ExprType = e.Call.ExprType,
CallMethod = e.Call.CallMethod,
IsVirtualCall = e.Call.IsVirtualCall,
Obj = obj,
Args = args,
Type = e.Call.Type,
Ctx = e.Call.Ctx,
});
if (call != e.Call) {
return new ExprJsResolvedProperty(e.Ctx, call, e.PropertyName);
} else {
return e;
}
}
protected override ICode VisitJsResolvedProperty(ExprJsResolvedProperty e) {
if (e.PropertyName == null) {
// Indexer
this.Visit(e.Call.Obj);
this.js.Append("[");
this.Visit(e.Call.Args.First());
this.js.Append("]");
} else {
// Normal attribute/property
if (e.Call.Obj != null) {
this.Visit(e.Call.Obj);
this.js.Append(".");
}
this.js.Append(e.PropertyName);
}
if (e.Call.CallMethod != null && e.Call.CallMethod.Resolve().IsSetter) {
this.js.Append(" = ");
this.Visit(e.Call.Args.Last());
}
return e;
}
/// <summary>
/// If a call/newobj requires translating to an Expr that is not a call/newobj, then it is done here.
/// </summary>
/// <param name="call"></param>
/// <returns></returns>
public static Expr ResolveCallSite(ICall call) {
var ctx = call.Ctx;
var mRef = call.CallMethod;
var tRefDecl = mRef.DeclaringType;
var mDef = mRef.Resolve();
// A call to a method in a "JsClass" class - all external methods/properties require translating to JS
var tDefDecl = mDef.DeclaringType;
var jsClassAttr = tDefDecl.GetCustomAttribute<JsClassAttribute>() ?? tDefDecl.GetCustomAttribute<JsAbstractClassAttribute>();
if (jsClassAttr != null) {
if (mDef.IsExternal()) {
var jsDetail = mDef.GetCustomAttribute<JsDetailAttribute>(true);
var jsDetailName = jsDetail.NullThru(x => (string)x.Properties.FirstOrDefault(y => y.Name == "Name").Argument.Value);
var jsDetailIsDomEventProp = jsDetail.NullThru(x => ((bool?)x.Properties.FirstOrDefault(y => y.Name == "IsDomEvent").Argument.Value) ?? false);
if (mDef.IsGetter || mDef.IsSetter) {
// Property access
if (jsDetailIsDomEventProp) {
// Special handling of DOM events
if (!mDef.IsSetter) {
throw new InvalidOperationException("Only setters supported on DOM events");
}
if (!mDef.Name.StartsWith("set_On")) {
throw new InvalidOperationException("DOM event name must start with 'On'");
}
if (call.Args.Count() != 1) {
throw new InvalidOperationException("DOM event setter must have exactly one argument");
}
var eventName = jsDetailName ?? mDef.Name.Substring(6).ToLowerInvariant();
var eventNameExpr = ctx.Literal(eventName);
var safeCallFunction = (Action<object, string, Delegate>)InternalFunctions.SafeAddEventListener;
var safeCall = new ExprCall(ctx, safeCallFunction, null, call.Obj, eventNameExpr, call.Args.First());
return safeCall;
} else {
var propertyName = jsDetailName ?? JsCase(mDef.Name.Substring(4));
if (mDef.Name.Substring(4) == "Item") {
propertyName = null;
} else if (mDef.IsStatic) {
propertyName = JsCase(mDef.DeclaringType.Name) + "." + propertyName;
}
var jsProperty = new ExprJsResolvedProperty(ctx, call, propertyName);
return jsProperty;
}
} else if (mDef.IsConstructor && !mDef.IsStatic) {
// Constructor new object call
var typeName = jsDetailName ?? (string)jsClassAttr.ConstructorArguments[0].Value;
var expr = new ExprJsResolvedCtor(ctx, typeName, tRefDecl, call.Args);
return expr;
} else {
// Normal method call
var methodName = jsDetailName ?? JsCase(mDef.Name);
if (mDef.IsStatic) {
methodName = JsCase(mDef.DeclaringType.Name) + "." + methodName;
}
var expr = new ExprJsResolvedMethod(ctx, call.Type, call.Obj, methodName, call.Args);
return expr;
}
} else {
return null;
}
}
var jsRedirectAttr = mDef.GetCustomAttribute<JsRedirectAttribute>(true);
if (jsRedirectAttr != null) {
if (jsRedirectAttr.ConstructorArguments[0].Value == null) {
return FindExprReturn(call, call.CallMethod.DeclaringType);
}
var redirectToTRef = ((TypeReference)jsRedirectAttr.ConstructorArguments[0].Value).FullResolve(mRef);
var redirectToMRef = redirectToTRef.EnumResolvedMethods(mRef).First(x => x.MatchMethodOnly(mRef));
switch (call.ExprType) {
case Expr.NodeType.NewObj:
return new ExprNewObj(ctx, redirectToMRef, call.Args);
case Expr.NodeType.Call:
return new ExprCall(ctx, redirectToMRef, call.Obj, call.Args, call.IsVirtualCall, null, call.Type);
default:
throw new NotImplementedException("Cannot handle: " + call.ExprType);
}
}
var exprRet = FindExprReturn(call);
if (exprRet != null) {
return exprRet;
}
return null;
}
protected override ICode VisitJsResolvedProperty(ExprJsResolvedProperty e) {
this.code.Append(e.PropertyName);
return e;
}
