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* Prefixing source files in source/slang with slang-
* Prefix source in source/slang with slang- prefix.
* Rename core source files with slang- prefix.
* Update project files.
* Fix problems from automatic merge.
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or '\n' and the by adjacent to the last character in the file in memory is '\r' or '\n'. (#969)
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* List made members m_
Tweaked types to closer match conventions.
* Use asserts for checking conditions on List.
Other small improvements.
* List<T>.Count() -> getSize()
* List<T>
Add -> add
First -> getFirst
Last -> getLast
RemoveLast -> removeLast
ReleaseBuffer -> detachBuffer
GetArrayView -> getArrayView
* List<T>::
AddRange -> addRange
Capacity -> getCapacity
Insert -> insert
InsertRange -> insertRange
AddRange -> addRange
RemoveRange -> removeRange
RemoveAt -> removeAt
Remove -> remove
Reverse -> reverse
FastRemove -> fastRemove
FastRemoveAt -> fastRemoveAt
Clear -> clear
* List<T>
FreeBuffer -> _deallocateBuffer
Free -> clearAndDeallocate
SwapWith -> swapWith
* List<T>
SetSize -> setSize
Reserve -> reserve
GrowToSize growToSize
* UnsafeShrinkToSize -> unsafeShrinkToSize
Compress -> compress
FindLast -> findLastIndex
FindLast -> findLastIndex
Simplify Contains
* List<T>
Removed m_allocator (wasn't used)
Swap -> swapElements
Sort -> sort
Contains -> contains
ForEach -> forEach
QuickSort -> quickSort
InsertionSort -> insertionSort
BinarySearch -> binarySearch
Max -> calcMax
Min -> calcMin
* Initializer::Initialize -> initialize
List<T>::
Allocate -> _allocate
Init -> _init
IndexOf -> indexOf
* * Put #include <assert.h> in common.h, and remove unneeded inclusions
* Small refactor of ArrayView - remove stride as not used
* getSize -> getCount
setSize -> setCount
unsafeShrinkToSize->unsafeShrinkToCount
growToSize -> growToCount
m_size -> m_count
* Some tidy up around Allocator.
* Use Index type on List.
* Refactor of IntSet.
First tentative look at using Index.
* Made Index an Int
Did preliminary fixes.
Made String use Index.
* Partial refactor of String.
* String::Buffer -> getBuffer
ToWString -> toWString
* Small improvements to String.
String::
Buffer() -> getBuffer()
Equals() -> equals
* Try to use Index where appropriate.
* Fix warnings on windows x86 builds.
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compiled from a string (#878)
* Added FromString Type to PathInfo to identify paths that are not from 'files'
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* Use 'is' over 'as' where appropriate.
* dynamic_cast -> dynamicCast
* Replace 'dynamicCast' with 'as' where has no change in behavior/ambiguity.
* Replace dynamicCast with as where doesn't change behavior/non ambiguous.
* Keep a per view path to the file loaded - such that diagnostic messages always display the path to the requested file.
* Add simplifyPath to ISlangFileSystemExt
Simplify (if possible) paths that are set on SourceFile and SourcView - doing so makes reading paths simpler.
* Fix small typo.
* Improve documentation in source for getFileUniqueIdentity
* Fix override warning.
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* * Fix memory bug around expanding va_args - needed buffer to have space for terminating 0
* Fix problem with FileWriter defaults being globals, as memory they allocate, will only be freed after return from main - work around by making StdWriters RefObject derived, and kept in scope such the writers are destroyed before checks for leaks is found
* Added SimplifyPathAndHash mode for CacheFileSystem - will simplify the path and see if simplified path is in cache before reading file (limiting amout of underlying file requests)
* * Added calcReplaceChar
* Renamed DefaultFileSystem to OSFileSystem
* Made OSFileSystem convert windows \ to / on linux
* Simplified logic for caching in CacheFileSystem.
* Added pragma-once-c to add extra test, but also so there is an 'include' directory in preprocessor tests.
* Small fixes in pragma once test.
* Simplified cache handling path, so that paths/simplified paths area always added.
* Improve naming of methods for different caches.
* Removed references to 'canonicalPath' and made 'uniqueIdentity'
* * Re-add support for canonicalPath to ISlangFileSystem -> not for uniqueIdentifier but as a way to display 'canonicalPath'
* Added peliminary support for being able to display verbose paths in a diagnostic
* Added 'clearCache' support
* Added verbose path support to SourceManager (now needs a ISlangFileSystemExt to do this)
* Added support for '-verbose-path' option to slangc and slang-test.
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* * Make SourceView and SourceFile no longer derive from RefObject
* Both have life time now managed by SourceManager
* Tidied up a little around the serialization test code - just create the IRModule once
* Simplified code around deleting SourceView/File.
* Looked into generateIRForTranslationUnit - seems reasonable to just call it once, because it has side effects.
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* Remove AppContext. Use StdChannels to hold writers, and TestToolUtil to hold test tool specific functionality.
* StdChannels -> StdWriters
* getStdOut -> getOut, getStdError -> getError
* Renamed main.cpp files of tools to try and stop visual studio getting confused between files - such that clicking on an error takes editor to the right location.
* Work in progress on being able to serialize debug information.
* * Added MemoryStream
* First pass converting to IRSerialData
* Able to read and write IRSerialData with debug data
* Start at reconstruting IR serialized data.
* First pass of generation debug SourceLocs from debug data. Works for test set for line nos.
* Bug fixes.
Moved testing of serialization into IRSerialUtil
* Work around problem with irModule = generateIRForTranslationUnit(translationUnit); two times in a row produces different output(!). Fix by just creating once.
* Remove problem with use of ternary op in slang.cpp on gcc/clang.
* Added -verify-debug-serial-ir option that makes IR modules go through full serialization with debug information and verification.
* Add a test that does serial debug verification that is run by default on linux.
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* Only do scrubbing if needed. When allocating content try to limit size (with scrubbing each token takes up 1k), now it's 16 bytes min size.
* Don't allocate for every call to write on the CallbackWriter - use the m_appendBuffer.
* Don't allocate memory for CallbackWriter use m_appendBuffer.
* Use UnownedStringSlice for suffix output for parsing float/int literals.
Fix typo in invalidFloatingPointLiteralSuffix
* Using memory arena to hold tokens that are not in SourceManager.
* Improve comment on lexing.
* Make UnownedStringSlice allocation simpler on SourceManager.
* Fix error on gcc around UnownedStringSlice - because VC converted string + UnownedStringSlice automatically into a String.
* Fix generateName needing concat string for gcc.
* When constructing a Token in parseAttributeName - because it's a Identifier, we have to set the Name.
* Remove translation through String on getIntrinsicOp
* Make func-cbuffer-param disablable with -exclude compatibility-issue
* Move memory leak in render-test.
* From review - can just use "?:" instead of performing a concat.
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* First pass at caching file system.
* default-file-system -> slang-file-system
fix problem with location("build.linux") confusing windows build for now.
* Added CompressedResult
Fix problem in Result construction with it being unsigned
* Add support for Path simplification.
* Testing for Path::Simplify.
* Refactored CacheFileSystem - automatically handles ISlangFileSystem or ISlangFileSystemExt appropriately.
Removed WrapFileSystem - because wasn't possible to emulate some of the behavior if just loadFile is implemented.
Split out StringBlob - so that no need to convert between ISlangBlob and String repeatidly.
* Remove unwanted code in ~CompileRequest
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* Refactor of path handling.
* Added PathInfo
* Changed ISlangFileSystem - such that has separate concepts of reading a file, getting a relative path and getting a canonical path
* Added support for getting a canonical path for windows/linux
* Made maps/testing around canonicalPaths
* User output remains around 'foundPath' - which is the same as before
* Small improvements around PathInfo
* Added a type and make constructors to make clear the different 'path' uses
* Fixed bug in findViewRecursively
* Checking and reporting for ignored #pragma once.
* Removed SLANG_PATH_TYPE_NONE as doesn't serve any useful purpose.
* Improve comments in slang.h aroung ISlangFileSystem
* Remove the need for <windows.h> in slang-io.cpp
* Ran premake5.
* Improvements and fixes around PathInfo.
* Fix typo on linix GetCanonical
* Make the ISlangFileSystem the same as before, and ISlangFileSystem contain the new methods.
Internally it always uses the ISlangFileSystemExt, and will wrap a ISlangFileSystem with WrapFileSystem, if it is determined (via queryInterface) that it doesn't implement the full interface.
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* Fix comment to better explain usage.
* For getting the type string use a temporary SourceManager.
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* Fixes/improvements based around review comments.
* SourceUnit -> SourceView
* * Removed the HumaneSourceLoc as it's POD-like ness seemed to make that unnecessary
* Made exposed member variables in SourceManager protected - so make clear where/how can be accesed
* Improved description about SourceLoc and associated structures
* Changed SourceLocType to 'Actual' and 'Nominal'.
* Improved a comment.
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* * Remove the need for IRHighLevelDecoration in Emit
* Use the IRLayoutDecoration for GeometryShaderPrimitiveTypeModifier
* Initial look at at variable byte encoding, and simple unit test.
* Fixing problems with comparison due to naming differences with slang/fxc.
* * More tests and perf improvements for byte encoding.
* Mechanism to detect processor and processor features in main slang header.
* Split out cpu based defines into slang-cpu-defines.h so do not polute slang.h
* Support for variable byte encoding on serialization.
* Removed unused flag.
* Fix warning.
* Fix calcMsByte32 for 0 values without using intrinsic.
* Fix a mistake in calculating maximum instruction size.
* Introduced the idea of SourceUnit.
* Small improvements around naming.
Add more functionality - including getting the HumaneLoc.
* Add support for #line default
* Compiling with new SourceLoc handling.
* Fix off by one on #line directives.
* Can use 32bits for SourceLoc. Fix serialize to use that.
* Small fixes and comment on usage.
* Premake run.
* Fix signed warning.
* Fix typo on StringSlicePool::has found in review.
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* Add support for "blobs" and a file-system callback
The most obvious change here is that the Slang header now includes a few COM-style interfaces that can be used for communication between the application and compiler. In order to support the declaration of COM-like interfaces, several platform-detection macros were lifted out of `slang-defines.h` and into the public `slang.h` header. As it exists right now, this change makes the Slang API C++-only, but a C-compatible version can be defined later with the help of lots of macros (and/or something like an IDL compiler).
The two big interfaces introduced are:
* The `ISlangBlob` interface, which is compatible with `ID3DBlob`, `IDxcBlob`, etc. This is used to pass ownership of source/compiled code across the API boundary without copies. New versions of various entry points have been added to allow passing blobs: e.g., `spAddTranslationUnitSourceBlob` and `spGetEntryPointCodeBlob`.
* The `ISlangFileSystem` interface, which is used to allow applications to intercept any attempt by the Slang compiler to load a file (input source files, include files, etc.). This is *not* the same as the `IDxcIncludeHandler` interface, because it assumes UTF-8 encoded path names, instead of the 16-bit encoding that dxc/Windows prefer. It is also not very similar to `ID3DInclude` as used by fxc, because this callback interface is *not* responsible for handling the search through include paths, etc. - it is just a file-system abstraction layer.
Internally, a few different parts of the compiler were changed to either store data in blob form all the time, or to be able to synthesize a blob on-demand. Because our internal `String` type is a reference-counted copy-on-write type, using a `SlangStringBlob` to hold string data should achieve transfer of ownership back to the application without extraneous copies. There is plenty of room to clean up the architecture of some of these internal pieces if they *know* that their data will end up in a blob.
The existing Slang testing doesn't touch any of the APIs introduced here, so they can only confirm that existing functionality hasn't been broken. The new ability to return code blobs has been tested by integration of that feature into Falcor, but there has been zero testing of the ability to pass *in* source code as blobs, and the ability to hook file loading. Future changes will need to add test coverage for the new features.
* fixup: define SLANG_NO_THROW for non-Windows builds
* fixup: header copy-paste error caught by clang/gcc
* Cleanup: return reference-counted objects via output parameters
Returning a reference-counted object through the API as a raw pointer creates challenges.
The "obvious" answer is that the returned pointer should have an added reference (it is returned at "+1"), and the caller is responsible for releasing that reference. This makes sense when using raw pointers on the calling side:
```c++
IFoo* foo = spGetFoo(...);
...
foo->Release();
```
However, as soon as smart pointers start getting involved (to handle releasing reference counts when we are done with things), the picture gets more complicated:
```c++
MySmartPtr<IFoo> foo = spGetFoo(...);
...
```
The intention of code like that is that `foo` gets released when the smart pointer goes out of scope, but this probably doesn't happen with most smart pointer implementations. If the `MySmartPtr` constructor that takes a raw pointer retains it, then the destructor will only release *that* reference, and so the object will leak.
It is possible that the user will have a smart pointer type where the constructor that takes a raw pointer doesn't retain it, but in general such types introduce the potential for errors of their own, and no matter what the Slang API shouldn't go in assuming any particular policy.
This change makes it so that any reference-counted objects that are logically returned from a call are returned through output pointers. This design makes the leak-free cases easy (enough) to implement with raw pointers or smart pointers:
```c++
// raw pointer
IFoo* foo = nullptr;
spGetFoo(..., &foo);
...
foo->Release();
// smart pointer
MySmartPtr<IFoo> foo;
spGetFoo(..., foo.writeableRef());
...
```
The only assumption here is that any COM smart-pointer type needs to provide an operation like `writableRef` that is suitable for using that pointer as an output parameter. Given that COM *loves* output parameters, this seems like a safe assumption (at the very least, anybody who interacts with COM would be used to this convention).
Future changes might introduce inline convenience methods for various operations that return results more directly, possibly by introducing a minimal smart-pointer type in the `slang.h` header (without prescribing that clients must use it...).
* fixup: another error caught by gcc/clang
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Fixes #345
A brief refresher: a `SourceLoc` in the Slang implementation is just an integer (more or less an absolute byte index into all of the source compiled so far). We convert that integer to a "humane" source location (a file name and line/column numbers) by finding the file and line that match the integer via binary search. The data structures used for that search are owned by a `SourceManager`.
In order to avoid running out of source locations when used in a long-running application (that might reload shaders many times), the implementation creates one `SourceManager` per `CompileRequest`, along with a single shared `SourceManager` that is used for locations in the builtin libraries.
The root of the bug here was that some code was using the `SourceManager` for a compile request when it should have been using the one for the builtins. This happened because one source manager was asked to translate a `SourceLoc` into a humane location, which first involves "expanding" that location (figuring out which file it belongs to, and which source manager owns that file), and failed to realize that the expanded location might use a different source manager (either the current one or one of its "parents").
I fixed this by reworking the API so that the mapping from an expanded location to a humane one is no longer a member of a source manager (since the correct source manager can be looked up in the associated expanded location). Hopefully this will prevent this class of error in the future.
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Fixes #24
So far the code has used a representation for source locations that is heavy-weight, but typical of research or hobby compilers: a `struct` type containing a line number and a (heap-allocated) string.
This is actually very convenient for debugging, but it means that any data structure that might contain a source location needs careful memory management (because of those strings) and has a tendency to bloat.
The new represnetation is that a source location is just a pointer-sized integer.
In the simplest mental model, you can think of this as just counting every byte of source text that is passed in, and using those to name locations.
Finding the path and line number that corresponds to a location involves a lookup step, but we can arrange to store all the files in an array sorted by their start locations, and do a binary search.
Finding line numbers inside a file is similarly fast (one you pay a one-time cost to build an array of starting offsets for lines).
More advanced compilers like clang actually go further and create a unique range of source locations to represent a file each time it gets included, so that they can track the include stack and reproduce it in diagnostic messages.
I'm not doing anything that clever here.
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