コード例 #1
0
        public SymbolDefinition Invoke(SymbolDefinition[] invokeParams)
        {
            SymbolDefinition methodResult = null;

            System.Type resultSymbolType = null;
            string      lookupSymbolName = null;

            switch (captureFunc)
            {
            case InternalFunc.TypeIDInstance:
            case InternalFunc.TypeIDGeneric:
                resultSymbolType = typeof(long);
                lookupSymbolName = "udonTypeID";
                break;

            case InternalFunc.TypeNameInstance:
            case InternalFunc.TypeNameGeneric:
                resultSymbolType = typeof(string);
                lookupSymbolName = "udonTypeName";
                break;

            default:
                throw new System.ArgumentException("Invalid internal method invocation");
            }

            methodResult = visitorContext.topTable.CreateUnnamedSymbol(resultSymbolType, SymbolDeclTypeFlags.Internal);

            if (captureFunc == InternalFunc.TypeIDInstance ||
                captureFunc == InternalFunc.TypeNameInstance)
            {
                SymbolDefinition invokeSymbol = captureScope.accessSymbol;

                using (ExpressionCaptureScope resultSetterScope = new ExpressionCaptureScope(visitorContext, null))
                {
                    resultSetterScope.SetToLocalSymbol(methodResult);

                    using (ExpressionCaptureScope getInvokeScope = new ExpressionCaptureScope(visitorContext, null))
                    {
                        getInvokeScope.SetToLocalSymbol(invokeSymbol);
                        getInvokeScope.ResolveAccessToken(nameof(VRC.Udon.UdonBehaviour.GetProgramVariable));

                        string symbolName = visitorContext.topTable.GetReflectionSymbol(lookupSymbolName, resultSymbolType).symbolUniqueName;

                        SymbolDefinition invokeResult = getInvokeScope.Invoke(new SymbolDefinition[] { visitorContext.topTable.CreateConstSymbol(typeof(string), symbolName) });

                        JumpLabel exitBranchJump = visitorContext.labelTable.GetNewJumpLabel("exitUdonTypeIdLoc");
                        JumpLabel falseBranchLoc = visitorContext.labelTable.GetNewJumpLabel("falseUdonTypeIdLoc");

                        SymbolDefinition nullCheckSymbol = null;

                        using (ExpressionCaptureScope nullCheckCondition = new ExpressionCaptureScope(visitorContext, null))
                        {
                            nullCheckCondition.SetToMethods(UdonSharpUtils.GetOperators(typeof(object), BuiltinOperatorType.Inequality));
                            nullCheckSymbol = nullCheckCondition.Invoke(new SymbolDefinition[] { invokeResult, visitorContext.topTable.CreateConstSymbol(typeof(object), null) });
                        }

                        visitorContext.uasmBuilder.AddJumpIfFalse(falseBranchLoc, nullCheckSymbol);

                        resultSetterScope.ExecuteSet(captureScope.CastSymbolToType(invokeResult, resultSymbolType, true));
                        visitorContext.uasmBuilder.AddJump(exitBranchJump);

                        // If the value is null
                        visitorContext.uasmBuilder.AddJumpLabel(falseBranchLoc);

                        if (captureFunc == InternalFunc.TypeIDInstance)
                        {
                            resultSetterScope.ExecuteSet(visitorContext.topTable.CreateConstSymbol(typeof(long), 0L));
                        }
                        else
                        {
                            resultSetterScope.ExecuteSet(visitorContext.topTable.CreateConstSymbol(typeof(string), "UnknownType"));
                        }

                        visitorContext.uasmBuilder.AddJumpLabel(exitBranchJump);
                    }
                }
            }
            else
            {
                object resultSymbolValue = null;

                if (captureFunc == InternalFunc.TypeIDGeneric)
                {
                    resultSymbolValue = Internal.UdonSharpInternalUtility.GetTypeID(genericType);
                }
                else if (captureFunc == InternalFunc.TypeNameGeneric)
                {
                    resultSymbolValue = Internal.UdonSharpInternalUtility.GetTypeName(genericType);
                }

                methodResult = visitorContext.topTable.CreateConstSymbol(resultSymbolType, resultSymbolValue);
            }

            using (ExpressionCaptureScope propagateScope = new ExpressionCaptureScope(visitorContext, visitorContext.topCaptureScope))
            {
                propagateScope.SetToLocalSymbol(methodResult);
            }

            return(methodResult);
        }