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Allows fast iteration of C++ changes without restarting the application. To use, select the "Live Coding (Experimental)" mode from the drop down menu next to the editor's compile button, or type "LiveCoding" into the console for a monolithic build. Press Ctrl+Alt+F11 to find changes and compile.
Changes vs standalone Live++ version:
* UBT is used to execute builds. This allows standard UE4 adaptive unity mode, allows us to reuse object files when we do regular builds, supports using any build executor allowed by UBT (XGE, SNDBS, etc..).
* Adding new source files is supported.
* Custom visualizer for FNames is supported via a weakly linked symbol in a static library (Engine/Extras/NatvisHelpers).
* Settings are exposed in the editor's project settings dialog.
* Standalone application has been rewritten as a Slate app ("LiveCodingConsole"). There is an additional option to start the program as hidden, where it will not be visible until Ctrl+Alt+F11 is hit. Similarly, closing the window will hide it instead of closing the application.
* Does not require a standalone licensed version of Live++.
Known issues:
* Does not currently support class layout changes / object reinstancing
#rb none
[FYI] Marc.Audy, Stefan.Boberg, Nick.Penwarden
#jira
#ROBOMERGE-SOURCE: CL 5304722 in //UE4/Release-4.22/...
#ROBOMERGE-BOT: RELEASE (Release-4.22 -> Main)
[CL 5309051 by ben marsh in Main branch]
35 lines
1.5 KiB
C++
35 lines
1.5 KiB
C++
// Copyright 2011-2019 Molecular Matters GmbH, all rights reserved.
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#pragma once
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#include "CoreTypes.h"
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#include "LC_Symbols.h"
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namespace amalgamation
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{
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bool IsPartOfAmalgamation(const char* normalizedObjPath);
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bool IsPartOfAmalgamation(const wchar_t* normalizedObjPath);
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// creates part of the .obj file for .cpp files that are part of an amalgamation, e.g.
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// turns C:\AbsoluteDir\SourceFile.cpp into .lpp_part.SourceFile.obj
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std::wstring CreateObjPart(const std::wstring& normalizedFilename);
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// creates a full .obj path for single .obj files that are part of an amalgamation, e.g.
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// turns C:\AbsoluteDir\Amalgamated.obj into C:\AbsoluteDir\Amalgamated.lpp_part.SourceFile.obj
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std::wstring CreateObjPath(const std::wstring& normalizedAmalgamatedObjPath, const std::wstring& objPart);
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// dependency database handling
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// reads a database from disk and compares it against the compiland's data.
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// returns true if the database was read correctly and no change was detected.
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bool ReadAndCompareDatabase(const symbols::ObjPath& objPath, const std::wstring& compilerPath, const symbols::Compiland* compiland, const std::wstring& additionalCompilerOptions);
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// writes a compiland's dependency database to disk
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void WriteDatabase(const symbols::ObjPath& objPath, const std::wstring& compilerPath, const symbols::Compiland* compiland, const std::wstring& additionalCompilerOptions);
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// deletes a compiland's dependency database from disk
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void DeleteDatabase(const symbols::ObjPath& objPath);
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}
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