560 lines
20 KiB
C++
560 lines
20 KiB
C++
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// Tencent is pleased to support the open source community by making UnLua available.
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//
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// Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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//
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// Licensed under the MIT License (the "License");
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// you may not use this file except in compliance with the License. You may obtain a copy of the License at
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//
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// http://opensource.org/licenses/MIT
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and limitations under the License.
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#include "UnLuaIntelliSense.h"
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#include "Binding.h"
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#include "ObjectEditorUtils.h"
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#include "UnLuaInterface.h"
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namespace UnLua
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{
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namespace IntelliSense
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{
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static const FName NAME_ToolTip(TEXT("ToolTip")); // key of ToolTip meta data
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static const FName NAME_LatentInfo = TEXT("LatentInfo"); // tag of latent function
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static FString LuaKeywords[] = {TEXT("local"), TEXT("function"), TEXT("end")};
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static FString GetCommentBlock(const UField* Field)
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{
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const FString ToolTip = Field->GetMetaData(NAME_ToolTip);
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if (ToolTip.IsEmpty())
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return "";
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return "---" + EscapeComments(ToolTip, false) + "\r\n";
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}
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FString Get(const UBlueprint* Blueprint)
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{
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return Get(Blueprint->GeneratedClass);
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}
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FString Get(const UField* Field)
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{
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const UStruct* Struct = Cast<UStruct>(Field);
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if (Struct)
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return Get(Struct);
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const UEnum* Enum = Cast<UEnum>(Field);
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if (Enum)
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return Get(Enum);
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return "";
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}
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FString Get(const UEnum* Enum)
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{
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FString Ret = GetCommentBlock(Enum);
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FString TypeName = GetTypeName(Enum);
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Ret += FString::Printf(TEXT("---@class %s"), *TypeName);
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// fields
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const int32 Num = Enum->NumEnums();
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for (int32 i = 0; i < Num; ++i)
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{
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Ret += FString::Printf(TEXT("\r\n---@field %s %s %s"), TEXT("public"), *Enum->GetNameStringByIndex(i), TEXT("integer"));
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}
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// declaration
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Ret += FString::Printf(TEXT("\r\nlocal %s = {}\r\n"), *EscapeSymbolName(TypeName));
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return Ret;
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}
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FString Get(const UStruct* Struct)
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{
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const UClass* Class = Cast<UClass>(Struct);
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if (Class)
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return Get(Class);
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const UScriptStruct* ScriptStruct = Cast<UScriptStruct>(Struct);
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if (ScriptStruct)
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return Get(ScriptStruct);
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const UFunction* Function = Cast<UFunction>(Struct);
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if (Function)
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return Get(Function);
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return "";
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}
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FString Get(const UScriptStruct* ScriptStruct)
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{
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FString Ret = GetCommentBlock(ScriptStruct);
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FString TypeName = GetTypeName(ScriptStruct);
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Ret += "---@class " + TypeName;
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UStruct* SuperStruct = ScriptStruct->GetSuperStruct();
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if (SuperStruct)
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Ret += " : " + GetTypeName(SuperStruct);
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Ret += "\r\n";
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// fields
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for (TFieldIterator<FProperty> It(ScriptStruct, EFieldIteratorFlags::ExcludeSuper, EFieldIteratorFlags::ExcludeDeprecated); It; ++It)
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{
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const FProperty* Property = *It;
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Ret += Get(Property) += "\r\n";
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}
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// declaration
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Ret += FString::Printf(TEXT("local %s = {}\r\n"), *EscapeSymbolName(TypeName));
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// exported functions
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const auto Exported = GetExportedReflectedClasses().Find(TypeName);
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if (Exported)
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{
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TArray<IExportedFunction*> ExportedFunctions;
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(*Exported)->GetFunctions(ExportedFunctions);
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for (const auto Function : ExportedFunctions)
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Function->GenerateIntelliSense(Ret);
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}
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return Ret;
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}
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FString Get(const UClass* Class)
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{
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FString Ret = GetCommentBlock(Class);
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const FString TypeName = GetTypeName(Class);
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Ret += "---@class " + TypeName;
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UStruct* SuperStruct = Class->GetSuperStruct();
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if (SuperStruct)
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Ret += " : " + GetTypeName(SuperStruct);
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Ret += "\r\n";
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// fields
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for (TFieldIterator<FProperty> It(Class, EFieldIteratorFlags::ExcludeSuper, EFieldIteratorFlags::ExcludeDeprecated); It; ++It)
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{
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const FProperty* Property = *It;
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Ret += Get(Property) += "\r\n";
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}
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// declaration
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const auto EscapedClassName = EscapeSymbolName(TypeName);
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Ret += FString::Printf(TEXT("local %s = {}\r\n\r\n"), *EscapedClassName);
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TArray<FString> GenFunctionNames;
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// functions
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for (TFieldIterator<UFunction> FunctionIt(Class, EFieldIteratorFlags::ExcludeSuper, EFieldIteratorFlags::ExcludeDeprecated, EFieldIteratorFlags::ExcludeInterfaces); FunctionIt; ++FunctionIt)
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{
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const UFunction* Function = *FunctionIt;
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if (!IsValid(Function))
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continue;
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if (FObjectEditorUtils::IsFunctionHiddenFromClass(Function, Class))
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continue;
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Ret += Get(Function) + "\r\n";
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GenFunctionNames.Add(Function->GetName());
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}
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// interface functions
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for (TFieldIterator<UFunction> FunctionIt(Class, EFieldIteratorFlags::IncludeSuper, EFieldIteratorFlags::ExcludeDeprecated, EFieldIteratorFlags::IncludeInterfaces); FunctionIt; ++FunctionIt)
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{
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const UFunction* Function = *FunctionIt;
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if (!Function->GetOwnerClass()->IsChildOf(UInterface::StaticClass()))
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continue;
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if (!IsValid(Function))
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continue;
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if (FObjectEditorUtils::IsFunctionHiddenFromClass(Function, Class))
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continue;
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if (GenFunctionNames.Contains(Function->GetName()))
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continue;
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Ret += Get(Function, EscapedClassName) + "\r\n";
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}
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// exported functions
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const auto Exported = GetExportedReflectedClasses().Find(TypeName);
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if (Exported)
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{
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TArray<IExportedFunction*> ExportedFunctions;
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(*Exported)->GetFunctions(ExportedFunctions);
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for (const auto Function : ExportedFunctions)
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Function->GenerateIntelliSense(Ret);
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}
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return Ret;
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}
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FString Get(const UFunction* Function, FString ForceClassName)
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{
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FString Ret = GetCommentBlock(Function);
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FString Properties;
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for (TFieldIterator<FProperty> It(Function); It && (It->PropertyFlags & CPF_Parm); ++It)
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{
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const FProperty* Property = *It;
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if (Property->GetFName() == NAME_LatentInfo)
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continue;
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FString TypeName = EscapeSymbolName(GetTypeName(Property));
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const FString& PropertyComment = Property->GetMetaData(NAME_ToolTip);
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FString ExtraDesc;
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if (Property->HasAnyPropertyFlags(CPF_ReturnParm))
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{
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Ret += FString::Printf(TEXT("---@return %s"), *TypeName); // return parameter
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}
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else
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{
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FString PropertyName = EscapeSymbolName(*Property->GetName());
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if (Properties.IsEmpty())
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Properties = PropertyName;
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else
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Properties += FString::Printf(TEXT(", %s"), *PropertyName);
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FName KeyName = FName(*FString::Printf(TEXT("CPP_Default_%s"), *Property->GetName()));
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const FString& Value = Function->GetMetaData(KeyName);
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if (!Value.IsEmpty())
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{
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ExtraDesc = TEXT("[opt]"); // default parameter
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}
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else if (Property->HasAnyPropertyFlags(CPF_OutParm) && !Property->HasAnyPropertyFlags(CPF_ConstParm))
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{
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ExtraDesc = TEXT("[out]"); // non-const reference
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}
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Ret += FString::Printf(TEXT("---@param %s %s"), *PropertyName, *TypeName);
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}
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if (ExtraDesc.Len() > 0 || PropertyComment.Len() > 0)
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{
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Ret += TEXT(" @");
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if (ExtraDesc.Len() > 0)
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Ret += FString::Printf(TEXT("%s "), *ExtraDesc);
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}
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Ret += TEXT("\r\n");
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}
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const auto ClassName = ForceClassName.IsEmpty() ? EscapeSymbolName(GetTypeName(Function->GetOwnerClass())) : ForceClassName;
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const auto FunctionName = Function->GetName();
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const auto bIsStatic = Function->HasAnyFunctionFlags(FUNC_Static);
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if (IsValidFunctionName(FunctionName))
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{
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Ret += FString::Printf(TEXT("function %s%s%s(%s) end\r\n"), *ClassName, bIsStatic ? TEXT(".") : TEXT(":"), *FunctionName, *Properties);
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}
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else
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{
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const auto Self = bIsStatic ? TEXT("") : TEXT("self");
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const auto Comma = bIsStatic || Properties.IsEmpty() ? TEXT("") : TEXT(", ");
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Ret += FString::Printf(TEXT("%s[\"%s\"] = function(%s%s%s) end\r\n"), *ClassName, *FunctionName, Self, Comma, *Properties);
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}
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return Ret;
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}
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FString Get(const FProperty* Property)
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{
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FString Ret;
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const UStruct* Struct = Property->GetOwnerStruct();
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// access level
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FString AccessLevel;
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if (Property->HasAnyPropertyFlags(CPF_NativeAccessSpecifierPublic))
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AccessLevel = TEXT("public");
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else if (Property->HasAllPropertyFlags(CPF_NativeAccessSpecifierProtected))
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AccessLevel = TEXT("protected");
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else if (Property->HasAllPropertyFlags(CPF_NativeAccessSpecifierPrivate))
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AccessLevel = TEXT("private");
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else
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AccessLevel = Struct->IsNative() ? "private" : "public";
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FString TypeName = IntelliSense::GetTypeName(Property);
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Ret += FString::Printf(TEXT("---@field %s %s %s"), *AccessLevel, *Property->GetName(), *TypeName);
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// comment
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const FString& ToolTip = Property->GetMetaData(NAME_ToolTip);
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if (!ToolTip.IsEmpty())
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Ret += " @" + EscapeComments(ToolTip, true);
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return Ret;
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}
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FString GetUE(const TArray<const UField*> AllTypes)
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{
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FString Content = "UE = {";
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for (const auto Type : AllTypes)
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{
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if (!Type->IsNative())
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continue;
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const auto Name = GetTypeName(Type);
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Content += FString::Printf(TEXT("\r\n ---@type %s\r\n"), *Name);
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Content += FString::Printf(TEXT(" %s = nil,\r\n"), *Name);
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}
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Content += "}\r\n";
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return Content;
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}
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FString GetTypeName(const UObject* Field)
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{
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if (!Field)
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return "";
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if (!Field->IsNative() && Field->GetName().EndsWith("_C"))
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return Field->GetName();
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const UStruct* Struct = Cast<UStruct>(Field);
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if (Struct)
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return Struct->GetPrefixCPP() + Struct->GetName();
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return Field->GetName();
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}
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FString GetTypeName(const FProperty* Property)
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{
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if (!Property)
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return "Unknown";
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if (CastField<FByteProperty>(Property))
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return "integer";
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if (CastField<FInt8Property>(Property))
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return "integer";
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if (CastField<FInt16Property>(Property))
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return "integer";
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if (CastField<FIntProperty>(Property))
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return "integer";
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if (CastField<FInt64Property>(Property))
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return "integer";
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if (CastField<FUInt16Property>(Property))
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return "integer";
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if (CastField<FUInt32Property>(Property))
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return "integer";
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if (CastField<FUInt64Property>(Property))
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return "integer";
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if (CastField<FFloatProperty>(Property))
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return "number";
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if (CastField<FDoubleProperty>(Property))
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return "number";
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if (CastField<FEnumProperty>(Property))
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return ((FEnumProperty*)Property)->GetEnum()->GetName();
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if (CastField<FBoolProperty>(Property))
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return TEXT("boolean");
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if (CastField<FClassProperty>(Property))
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{
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const UClass* Class = ((FClassProperty*)Property)->MetaClass;
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return FString::Printf(TEXT("TSubclassOf<%s%s>"), Class->GetPrefixCPP(), *Class->GetName());
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}
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if (CastField<FSoftObjectProperty>(Property))
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{
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if (((FSoftObjectProperty*)Property)->PropertyClass->IsChildOf(UClass::StaticClass()))
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{
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const UClass* Class = ((FSoftClassProperty*)Property)->MetaClass;
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|
|
return FString::Printf(TEXT("TSoftClassPtr<%s%s>"), Class->GetPrefixCPP(), *Class->GetName());
|
|||
|
|
}
|
|||
|
|
const UClass* Class = ((FSoftObjectProperty*)Property)->PropertyClass;
|
|||
|
|
return FString::Printf(TEXT("TSoftObjectPtr<%s%s>"), Class->GetPrefixCPP(), *Class->GetName());
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (CastField<FObjectProperty>(Property))
|
|||
|
|
{
|
|||
|
|
const UClass* Class = ((FObjectProperty*)Property)->PropertyClass;
|
|||
|
|
if (Cast<UBlueprintGeneratedClass>(Class))
|
|||
|
|
{
|
|||
|
|
return FString::Printf(TEXT("%s"), *Class->GetName());
|
|||
|
|
}
|
|||
|
|
return FString::Printf(TEXT("%s%s"), Class->GetPrefixCPP(), *Class->GetName());
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (CastField<FWeakObjectProperty>(Property))
|
|||
|
|
{
|
|||
|
|
const UClass* Class = ((FWeakObjectProperty*)Property)->PropertyClass;
|
|||
|
|
return FString::Printf(TEXT("TWeakObjectPtr<%s%s>"), Class->GetPrefixCPP(), *Class->GetName());
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (CastField<FLazyObjectProperty>(Property))
|
|||
|
|
{
|
|||
|
|
const UClass* Class = ((FLazyObjectProperty*)Property)->PropertyClass;
|
|||
|
|
return FString::Printf(TEXT("TLazyObjectPtr<%s%s>"), Class->GetPrefixCPP(), *Class->GetName());
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (CastField<FInterfaceProperty>(Property))
|
|||
|
|
{
|
|||
|
|
const UClass* Class = ((FInterfaceProperty*)Property)->InterfaceClass;
|
|||
|
|
return FString::Printf(TEXT("TScriptInterface<%s%s>"), Class->GetPrefixCPP(), *Class->GetName());
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (CastField<FNameProperty>(Property))
|
|||
|
|
return "string";
|
|||
|
|
|
|||
|
|
if (CastField<FStrProperty>(Property))
|
|||
|
|
return "string";
|
|||
|
|
|
|||
|
|
if (CastField<FTextProperty>(Property))
|
|||
|
|
return "string";
|
|||
|
|
|
|||
|
|
if (CastField<FArrayProperty>(Property))
|
|||
|
|
{
|
|||
|
|
const FProperty* Inner = ((FArrayProperty*)Property)->Inner;
|
|||
|
|
return FString::Printf(TEXT("TArray<%s>"), *GetTypeName(Inner));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (CastField<FMapProperty>(Property))
|
|||
|
|
{
|
|||
|
|
const FProperty* KeyProp = ((FMapProperty*)Property)->KeyProp;
|
|||
|
|
const FProperty* ValueProp = ((FMapProperty*)Property)->ValueProp;
|
|||
|
|
return FString::Printf(TEXT("TMap<%s, %s>"), *GetTypeName(KeyProp), *GetTypeName(ValueProp));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (CastField<FSetProperty>(Property))
|
|||
|
|
{
|
|||
|
|
const FProperty* ElementProp = ((FSetProperty*)Property)->ElementProp;
|
|||
|
|
return FString::Printf(TEXT("TSet<%s>"), *GetTypeName(ElementProp));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (CastField<FStructProperty>(Property))
|
|||
|
|
return ((FStructProperty*)Property)->Struct->GetStructCPPName();
|
|||
|
|
|
|||
|
|
if (CastField<FDelegateProperty>(Property))
|
|||
|
|
return "Delegate";
|
|||
|
|
|
|||
|
|
if (CastField<FMulticastDelegateProperty>(Property))
|
|||
|
|
return "MulticastDelegate";
|
|||
|
|
|
|||
|
|
return "Unknown";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
FString EscapeComments(const FString Comments, const bool bSingleLine)
|
|||
|
|
{
|
|||
|
|
if (Comments.IsEmpty())
|
|||
|
|
return Comments;
|
|||
|
|
|
|||
|
|
auto Filter = [](const FString Prefix, const FString Line)
|
|||
|
|
{
|
|||
|
|
if (Line.StartsWith("@"))
|
|||
|
|
return FString();
|
|||
|
|
return Prefix + Line;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
TArray<FString> Lines;
|
|||
|
|
Comments.Replace(TEXT("@"), TEXT("@@")).ParseIntoArray(Lines, TEXT("\n"));
|
|||
|
|
|
|||
|
|
FString Ret = Filter("", Lines[0]);
|
|||
|
|
if (bSingleLine)
|
|||
|
|
{
|
|||
|
|
for (int i = 1; i < Lines.Num(); i++)
|
|||
|
|
Ret += Filter(" ", Lines[i]);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
for (int i = 1; i < Lines.Num(); i++)
|
|||
|
|
Ret += Filter("\r\n---", Lines[i]);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return Ret;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
FString EscapeSymbolName(const FString InName)
|
|||
|
|
{
|
|||
|
|
FString Name = InName;
|
|||
|
|
|
|||
|
|
// 和Lua关键字重名就加前缀
|
|||
|
|
for (const auto& Keyword : LuaKeywords)
|
|||
|
|
{
|
|||
|
|
if (Name.Equals(Keyword, ESearchCase::CaseSensitive))
|
|||
|
|
{
|
|||
|
|
Name = TEXT("_") + Name;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 替换掉除中文外的特殊字符
|
|||
|
|
for (int32 Index = 0; Index < Name.Len(); Index++)
|
|||
|
|
{
|
|||
|
|
const auto Char = Name[Index];
|
|||
|
|
if ((Char < '0' || Char > '9')
|
|||
|
|
&& (Char < 'a' || Char > 'z')
|
|||
|
|
&& (Char < 'A' || Char > 'Z')
|
|||
|
|
&& Char != '_'
|
|||
|
|
&& Char < 0x100)
|
|||
|
|
{
|
|||
|
|
Name[Index] = TCHAR('_');
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 数字开头就加前缀
|
|||
|
|
const auto PrefixChar = Name[0];
|
|||
|
|
if (PrefixChar >= '0' && PrefixChar <= '9')
|
|||
|
|
{
|
|||
|
|
Name = TEXT("_") + Name;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return Name;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
bool IsValid(const UFunction* Function)
|
|||
|
|
{
|
|||
|
|
if (!Function)
|
|||
|
|
return false;
|
|||
|
|
|
|||
|
|
if (Function->HasAnyFunctionFlags(FUNC_UbergraphFunction))
|
|||
|
|
return false;
|
|||
|
|
|
|||
|
|
// 这个会导致USubsystemBlueprintLibrary.GetWorldSubsystem之类的被过滤掉
|
|||
|
|
// if (!UEdGraphSchema_K2::CanUserKismetCallFunction(Function))
|
|||
|
|
// return false;
|
|||
|
|
|
|||
|
|
const FString Name = Function->GetName();
|
|||
|
|
if (Name.IsEmpty())
|
|||
|
|
return false;
|
|||
|
|
|
|||
|
|
// 避免运行时生成智能提示，把覆写的函数也生成了
|
|||
|
|
if (Name.EndsWith("__Overridden"))
|
|||
|
|
return false;
|
|||
|
|
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
bool IsValidFunctionName(const FString Name)
|
|||
|
|
{
|
|||
|
|
if (Name.IsEmpty())
|
|||
|
|
return false;
|
|||
|
|
|
|||
|
|
// 不能有Lua关键字
|
|||
|
|
for (const auto& Keyword : LuaKeywords)
|
|||
|
|
{
|
|||
|
|
if (Name.Equals(Keyword, ESearchCase::CaseSensitive))
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 不能有中文和特殊字符
|
|||
|
|
for (const auto& Char : Name)
|
|||
|
|
{
|
|||
|
|
if ((Char < '0' || Char > '9')
|
|||
|
|
&& (Char < 'a' || Char > 'z')
|
|||
|
|
&& (Char < 'A' || Char > 'Z')
|
|||
|
|
&& Char != '_')
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 不能以数字开头
|
|||
|
|
const auto& PrefixChar = Name[0];
|
|||
|
|
if (PrefixChar >= '0' && PrefixChar <= '9')
|
|||
|
|
return false;
|
|||
|
|
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|