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* #include an absolute path didn't work - because paths were taken to always be relative.
* Refactor Liveness pass, such that locations can be found independently of setting up ranges.
* Refactor around different stages of liveness span analysis.
* WIP Take into account PHI temporaries in liveness tracking.
* WIP First pass of PHI liveness refactor.
* Add BlockIndex.
* WIP Refactor phi liveness around inst runs.
* More improvements around liveness tracking.
* Bug fixes.
Special handling to not add multiple ends, at starts of blocks and after accesses.
* Fix test output.
* Use IRInsertLoc to track insertion point.
* Liveness markers don't have side effects.
* Fix typo in liveness test.
* Small improvements around setting SuccessorResult.
* Fix memory issue around reallocation and RAIIStackArray.
Update test output.
* Update test output for liveness.slang.
* Fix typo in SuccessorResult blockIndex.
* Small tidy up.
* Handle the root start block, correctly scoping the run.
* Split BlockInfo into 'Root' and 'Function'.
Store successors as BlockIndices.
* Tidy up around liveness tracking.
* Add head/tail support to ArrayViews.
Use Count where appropriate.
Use head/tail in liveness impl.
* Special handling if return is effectively a live variable.
* Update test output for improved return handling.
* Refactor how handling of return accesses.
Fix issue around liveness starts.
* Disable release warning for unused method.
* Some small improvements around liveness pass.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Refactor Liveness pass, such that locations can be found independently of setting up ranges.
* Refactor around different stages of liveness span analysis.
* WIP Take into account PHI temporaries in liveness tracking.
* WIP First pass of PHI liveness refactor.
* Add BlockIndex.
* WIP Refactor phi liveness around inst runs.
* More improvements around liveness tracking.
* Bug fixes.
Special handling to not add multiple ends, at starts of blocks and after accesses.
* Fix test output.
* Use IRInsertLoc to track insertion point.
* Liveness markers don't have side effects.
* Fix typo in liveness test.
* Small improvements around setting SuccessorResult.
* Fix memory issue around reallocation and RAIIStackArray.
Update test output.
* Update test output for liveness.slang.
* Fix typo in SuccessorResult blockIndex.
* Small tidy up.
* Handle the root start block, correctly scoping the run.
* Split BlockInfo into 'Root' and 'Function'.
Store successors as BlockIndices.
* Tidy up around liveness tracking.
* Add head/tail support to ArrayViews.
Use Count where appropriate.
Use head/tail in liveness impl.
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* Fix errors when building with the latest Xcode
* Bring back unused variable to better match comments
Co-authored-by: jsmall-nvidia <jsmall@nvidia.com>
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Compile to a dxil library.
* Added CompileProduct.
* Support handling of ModuleLibrary.
* CacheBehavior -> Cache
* Use CompileProduct for -r references.
* CompileProduct -> Artifact.
* Determining an artifact type on binding.
* Determine binary linkability.
* Added Artifact::exists.
* Added ArtifactKeep.
* Small fixes.
* Small improvements to Artifact.
* Add zip extension.
* Fix some comments.
* Fix multiple adding of PublicDecoration.
Make public output export for DXIL/lib.
Add checking for simpleDecorations such that only added once.
* Use 'whole program' to identify library build.
* Move slang-artifact into compiler-core.
* Split out Keep free functions.
* Artifact::Keep -> ArtifactKeep.
* Handle libraries as artifacts.
* Add -target dxil so test infrastructure knows it needs DXC.
* Linking working in DXC.
* Improve handling around emit for 'export'.
* Add comment around Artifact name.
* Render test working with linking.
* Improvements around Artifact handling.
* Add ArtifactPayloadInfo.
* Small tidy up around artifact.
* Split out code to get info about Artifacts into artifact-info.cpp/.h
* IArtifact interface and IArtifactInstance interface.
* Fix small issues.
* Fix compilation warning issue.
* Fix missing SLANG_OVERRIDE.
* Small fixes to make compilation work on Visual Studio 2022.
* Small improvements to Artifact interface/naming.
* Added Desc with each element in IArchive to allow more flexibility in usage.
* Fix clang warning issue.
* Add ArtifactPayload::Diagnostics
* More discussion around IArtifact usage.
* Re-add slang-artifact.h which was removed during merge.
* Fix typo identified in review.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Compile to a dxil library.
* Added CompileProduct.
* Support handling of ModuleLibrary.
* CacheBehavior -> Cache
* Use CompileProduct for -r references.
* CompileProduct -> Artifact.
* Determining an artifact type on binding.
* Determine binary linkability.
* Added Artifact::exists.
* Added ArtifactKeep.
* Small fixes.
* Small improvements to Artifact.
* Add zip extension.
* Fix some comments.
* Fix multiple adding of PublicDecoration.
Make public output export for DXIL/lib.
Add checking for simpleDecorations such that only added once.
* Use 'whole program' to identify library build.
* Move slang-artifact into compiler-core.
* Split out Keep free functions.
* Artifact::Keep -> ArtifactKeep.
* Handle libraries as artifacts.
* Add -target dxil so test infrastructure knows it needs DXC.
* Linking working in DXC.
* Improve handling around emit for 'export'.
* Add comment around Artifact name.
* Render test working with linking.
Co-authored-by: Theresa Foley <10618364+tangent-vector@users.noreply.github.com>
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* Vulkan: deferred shader compilation and pipeline creation.
* Fix 32bit build.
* gfx: restructure the code in render-d3d12.cpp
* Move `Submitter`.
* Fix.
* merge with master.
* Revert dictionary change in previous PR.
Co-authored-by: Yong He <yhe@nvidia.com>
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* Vulkan: deferred shader compilation and pipeline creation.
* Fix 32bit build.
Co-authored-by: Yong He <yhe@nvidia.com>
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Small fixes.
Added compiler crash with generic defined in a function.
Added enum-flags test that works (by limiting backing type to int), and using __EnumType constraint.
* Add comment about crash.
* Disable crashing test.
* Fixes to make compile on OSX.
* Add github build for OSX.
* Make premake generator a utility.
* Fix osx compilation issue.
* More fixes for OSX build.
* OSX fix due to ambiguity around size_t and integer types.
* Disable xlib on build on osx.
* Use 'prebuildcommands' to make prebuild make utility projects do something.
* Small fixes for premake so utility works on linux/osx.
* Another hack to try and make generators run when 'utility'
* Fix typo in macos.yml.
* Revert premake to old style, and disable stdlib embedding on OSX.
* OSX testing.
* Fix pipe handling for OSX.
* Enable testing on OSX.
* Small fix because uname -p is not x64 on darwin.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Small fixes.
Added compiler crash with generic defined in a function.
Added enum-flags test that works (by limiting backing type to int), and using __EnumType constraint.
* Add comment about crash.
* Disable crashing test.
* Fixes to make compile on OSX.
* Add github build for OSX.
* Make premake generator a utility.
* Fix osx compilation issue.
* More fixes for OSX build.
* OSX fix due to ambiguity around size_t and integer types.
* Disable xlib on build on osx.
* Use 'prebuildcommands' to make prebuild make utility projects do something.
* Small fixes for premake so utility works on linux/osx.
* Another hack to try and make generators run when 'utility'
* Fix typo in macos.yml.
* Revert premake to old style, and disable stdlib embedding on OSX.
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* Various fixes to gfx.
* Fix.
* Fixes.
* Fix.
Co-authored-by: Yong He <yhe@nvidia.com>
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Read/write resource types (what D3D/HLSL often refer to as UAVs) can be broadly categorized based on whether they require an underlying format (e.g., a `DXGI_FORMAT`) for reads, or not. D3D refers to the ones that require a format as "typed" UAVs (even though a `RWStructuredBuffer<MyData>` is clearly "typed" at the HLSL level). Vulkan refers to these cases as "storage images" and "storage texel buffers."
Under the D3D model, an application does not have to specify the exact format for a formatted/"typed" UAV in order for loads to work, but it *does* need to specify if an HLSL resource with a declared `float` or vector-of-`float` element type will be backed by data with a `*_UNORM` or `*_SNORM` format. This is where the `unorm` and `snorm` type modifiers come in.
Superficially, it might seem that adding this feature to the Slang compiler is "just" a matter of adding the two modifiers, which is easily done with a pair of one-line `syntax` declarations in `core.meta.slang` plus the corresponding AST node types.
Unfortunately the superficial view misses the detail that, to date, Slang has not had any support for *type modifiers* at all, and has only supported *declaration modifiers*. The distinction has so far not mattered, even with modifiers like `const` because, e.g., the difference between a "`const` array of `float`" and an "array of `const float`" doesn't really matter.
So, adding these two modifiers required introducing a lot of infrastructure along the way. Let's walk through what needed to happen:
* As described above, the actual `syntax` was added easily in the Slang stdlib
* I added a new subclass of `Modifier` for `TypeModifier`s in the AST, and added the AST nodes for `unorm` and `snorm` as subclasses of that.
* In order to syntactically support modifiers applied to types (e.g., `unorm float`), I needed to add a `ModifiedTypeExpr` subclass of `Expr` that represents a base type expression with one or more modifiers applied
* The parser needed some subtle new logic. There are two main cases where type modifiers will come up:
1. In contexts where we might be parsing a declaration (e.g., `const unorm float a`), we need to support a list of modifiers that might freely mix type modifiers and "declaration modifiers" which are not intended to apply to types. In this case we need to split the lis tof modifiers into the type-related ones and the declaration-related ones, and attach each subset to the appropriate place. This is very important for features like C-style pointers, where in `static const float* a;`, the `static` modifier applies to the entire declaration of `a`, but the `const` modifier *only* applies to the `float` type specifier, and *not* to the outer pointer type (the actual type of `a`).
2. In contexts where we are not parsing a declaration (e.g., a generic type argument), we need to support a list of modifiers and appy them *all* to the type specifier being parsed, even if some of them might not be appropriate.
* While working in the parser I implemented a certain amount of unrelated cleanup for code that was using raw `Modifier*`s to represent lists of modifiers, instead of the purpose-built `Modifiers` type.
* The `_parseGenericArg` case needed specific work, because it is an important case in the grammar where we need to parse *either* a type expression or a value exprssion, but cannot easily predict which we will see. The fix implemented for now is to always try to parse modifiers and, if we see any, to assume we are in the type case. Because of the rules for how modifiers in a C-like language inhere to the type specifier (and not necessarily the entire type), we need to refactor some of the type expression parsing routines to support parsing a "suffix" of a type expression.
* Note: I decided to be conservative and only make these changes in `_parseGenericArg` because that is place that is *needed* in order for user code with `unorm`/`snorm` to work, but in practice a user could still confuse our parser by using type modifiers as part of a cast (e.g., `x = (unorm float)y;`). While there is currently no reason why a user should want to do this, it *does* suggest that we need to be prepared to see type modifiers in other ambiguous "expression or type?" contexts. We have so far preferred to avoid looking up built-in syntax declarations like modifiers in expression contexts, because we want to allow users to create variable names that might conflict with some of the more surprising modifier keywords in HLSL (e.g., both `triangle` and `sample` are modifier keyword). A nuanced strategy may be required when we get around to closing this gap (which will be needed around when we want full pointer support, since a cast like `(const SomeType*)somePtr` is pretty common).
* In semantic checking, we now need a `visitModifiedTypeExpr`, which visits the base expression to produce a `Type` and then checks each of the `Modifier`s attached to it. During this process we need to translate the AST-level `Modifier`s into something that can exist properly in the universe of `Type`s. We introduce a `ModifiedType` subclass of `Type`, distinct from the `ModifiedTypeExpr` subclass of `Expr`. Furthermore, we introduce a `ModifierVal` subclass of `Val`, distinct from `Modifier`/`TypeModifier`.
* One unfortunate thing here is that it means we have both, e.g., `UNormModifier` to represent the parsed syntax, and `UNormModifierVal` to represent the `Type`/`Val`-level representation of the same concept. It is quite likely that we are near the point where we can/should consider having two distinct AST representations: one for freshly-parsed ASTs and one for semantically-checked ASTs. The `Type`/`Val` hierarchy clearly belongs to the latter.
* No actual semantic checking is currently being applied to the `unorm` and `snorm` modifiers, although we should in principle check that they are only being applied to `float` and vector-of-`float` types.
* In an attempt to simplify some of the creation logic and build a tiny bit of reusable infrastructure, I went ahead and added the skeleton of a dedupe-caching system in `ASTBuilder` so that we can easily ensure only a single `UNormModifierVal` and a single `SNormModifierVal` ever get created inside the scope of a single builder.
* TODO: Thinking about this, I'm now worried the deduplication does not mean I can make the simplifications I currently do in semantic checking by assuming that any two `UNormModifierVal`s will be pointer-identical. This is because we do not currently (IIRC) have the required "bottleneck" in the compiler where all ASTs get serialized after initial checking, and then deserialized when `import`ed into a downstream module, so that every AST node during a checking step comes from a single `ASTBuilder`. Hmm...
* If we can rely on deduplication to do its thing, then the `Val` and `Type` implementations of modifiers can be relatively simple.
* TODO: One issue here is that the equality comparison for `ModifiedType` currently checks for the same base type and the same modifiers in the same order. This works for now when we only have a small number of type modifiers and any given type will hae at most one, but in the longer run it relies on us to implement some kind of canonicalization scheme, which would both ensure that between `Modified(T, {A, B})` and `Modified(T, {B, A})` only one is allowed (that is, a canonical ordering on modifiers), and that we do not allow `Modified(Modified(T, {A}), {B})`.
* TODO: One other issues is that the `ModifiedType` case does not currently interact correctly with the `as()`-based casting for types (whereas that operation *does* interact in a semantically-correct fashion with `typedef`s). Fixing this issue in a robust way really depends on us re-architecting the `Type` system so that *any* `Type` can have modifiers attached, with modifiers affecting type identity/deduplication.
* The key place where `ModifiedType` creates a complication in semantic checking is type conversion/coercion. A user is likely to declare a `RWTexture2D<unorm float>`, fetch from it (producing a value of type `unorm float`) and then assign the result to a `float` variable, prompting for a conversion from `unorm float` to `float` (because they are distinct `Type`s).
* We handle this case in the core `_coerce()` operation by checking if either `toType` or `fromType` is a `ModifiedType`. If *either* one is a modified type, we apply logic to check for modifiers that are present on one and not the other. Basically we check which modifiers need to be "dropped" and which need to be "added" during conversion, and validate that these modifiers *can* be dropped/added without creating a semantic error. The only type modifiers we support right now *can* be dropped/added like this, so we are fine.
* TODO: When we add more complete pointer support, we could need logic here to validate when casts between, e.g., `const int*` and `int*` should/shouldn't be allowed.
* Note: Even opening the door to type modifiers at all creates the same kind of challenges for user-defined generic types (and functions!) since `MyType<int>` and `MyType<const int>` are distinct instantiations in a future where we support `const` as a type modifier. We *may* need to plan to restrict where modified types can be used, so that certain built-in generic types support modified types as arguments, but user-defined types don't (or at least might need to opt-in to get support).
* The result of a `_coerce()` that drops/adds modifiers is a `ModifierCastExpr`, which is a kind of no-op AST node that merely expresses that the conversion is allowed and valid.
* In IR lowering we currently do the simple thing and translate a `ModifiedType` to a distinct IR node called `AttributedType`.
* The change in terminology from "modifier" to "attribute" is to follow the way that these kinds of modifiers best map to the `IRAttr` case in the IR (rather than the `IRDecoration` case). We probably ought to do a careful terminology scrub here, because having this terminology mismatch between IR and AST could be a source of confusion.
* TODO: In principle, using `IRAttributedType` creates the same basic problems as using `ModifiedType`: code that is usin `as()` or similar operations to check for a specific subclass of `IRType` may not see the case they were looking for due to use of `IRAttributedType`.
* Initially I had hoped to avoid the problem by having the `IRAttr`s be attached directly as operands to an otherwise-ordinary `IRType`. E.g., a lowered `unorm float4` would be an `IRVectorType` with an "extra" operand that is an `IRUNormAttr`, something like: `Vector<Float, 4, UNorm>`. This sounds great (and looks great!), but runs into the problem that it is incompatible with the way we currently represent things like generic type parameters. A generic type parameter `T` is represented as an `IRParam`, and it does *not* make sense to have an additional `IRParam` to represent `const T` or `unorm T`, etc.
* The Right Way to solve this stuff at both the AST and IR levels is to avoid passing around bare `Type*` or `IRType*` in general, and instead use a value type that implements the needed policy more directly: something like a `TypeHolder` or `IRTypeHolder` (placeholder name). The `*Holder` type would abstract over the various "wrapper" nodes required to store all the additional data like attributes but, importantly, would *not* allow that extra information to be dropped or lost during operations like casting (e.g., note how the current `Type` implementation of `as()` loses information on `typedef` names, making our error messages slightly worse). This is actually quite similar to how we currently use the `DeclRef<T>` system to allow working with what is *usually* a `T*` under the hood, but in a way that ensures we don't lose track of any generic substitution information.
* During C-like code emit we have a process that turns an `IRType` into a chain of declarators as needed to emit a C-like declaration with pointers, arrays, etc. The `IRAttributedType` case needs to get folded into this logic. Basically, when we see an `IRAttributedType` we immediately emit any modifiers that are required to be in a prefix position, then recursively emit the underlying type with an extra layer of declarator that tracks the modifiers, so that we can emit any modifiers that should be placed in a postfix position *after* the type. As a specific example, our C/C++ back-end would want to use the postifx option to handle `const`, because then it can properly emit stuff like `int const * const *` and not the incorrect `const const int**`.
* The HLSL emit logic overrides the prefix case for handling type attributes, and uses it to emit `unorm` and `snorm` where they occur.
* One unfortunate detail is that (apparently) some downstream HLSL compilers do not allow the `unorm`/`snorm` modifiers to apply to `vector<float, *>` types, even though that should be semantically valid. Instead, they only support `float`, `float2`, `float3`, and `float4` explicitly. To work around this issue, we go ahead and change our HLSL emit logic so that when we encountered 1-to-4 component vectors of `float`, `int`, or `uint` we emit the type name using the typical HLSL shorthand. This is actually a signficicant change in our HLSL output, but it both seemed like a good fix to have anyway, and was also the only obvious way to address the downstream parser shortcomings without a massive kludge.
* As a result of this change the `half-texture.slang` test broke, since it was using raw HLSL as the expected output. I changed the test to do a DXIL comparison instead, which is our preferred way of testing cross-compilation behavior (since it is more robust in the face of small changes to our source output).
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* Enable running tests in parallel.
* Fix linux build.
* Add pthread dependency for slang-test.
* Fix teamcity output.
* Fix race condition.
* Make testReporter thread safe.
* Clean up.
* Fix.
* trigger build
* Fix.
Co-authored-by: Yong He <yhe@nvidia.com>
Co-authored-by: Theresa Foley <tfoleyNV@users.noreply.github.com>
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* Fixes to `uploadTextureData`.
* Fix,
Co-authored-by: Yong He <yhe@nvidia.com>
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Split out ExecutableLocation.
* Fixes for changes to ExecutableLocation.
* Fix issues around Process on windows.
* Improve comments. Kick CI.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Improvements to repro diagnostics.
* Fix typo.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Move StreamType from Process to StdStreamType in slang-stream.h
* Disable buffering for stdout/stderr for slang-test.
* Improve comment.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Vary what SpawnType is used, if one isn't explicitly set.
* Terminate on linux if exec fails.
* Use a more sophisticated sleeping mechanism.
* Attempt to make CI tests to work on aarch64 debug.
Small fixes.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Fix memory leak due to Rtti usage.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Use 'Process' to communicate with an command line tool.
* Remove slang-win-stream
* Tidy up windows ProcessUtil.
* First version of BufferedReadStream.
* Windows working IPC for steams.
* Test proxy count option.
* Split Process/ProcessUtil. Process is platform dependant. ProcessUtil are functions that are platform independent.
* First implementation of Unix Process interface.
* Unix process compiles on cygwin.
* Fix typo in unix process.
* Separate unix pipe stream error of invalid access, from pipe availability.
* Fix in standard line extraction.
* Make fd non blocking.
* Fix issues with Windows Process streams.
* Added UnixPipe.
* Some fixes around UnixPipeStream.
* Make a unix stream closed explicit.
* Hack to debug linux process/stream.
* Revert to old linux pipe handling.
* Pass executable path for unit tests.
Split out CommandLine into own source.
* Small improvements in process/command line.
* Check process behavior with crash.
* Make stderr and stdout unbuffered for crash testing.
* Only turn disable buffering in crash test.
* Disable crash test on CI.
* Fix crash on clang/linux.
* Enable crash test.
Remove _appendBuffer as can use StreamUtil functionality.
* Added inital processing for http headers.
* Small improvements to HttpHeader.
* First pass HTTPPacketConnection working on windows.
* Enable other Process communication tests.
* Update comments.
* WIP JSON RPC.
* Add terminate to Process.
Made JSONRPC a Util.
* Small tidy up around HTTPPacketConnection.
* Improve process termination options.
* WIP for test-server.
* Add diagnostics error handling to test-server.
* Improved JSON support.
Parsing/creating JSON-RPC messages.
* WIP JSONRPC parsing.
* First pass RttiInfo support.
* WIP converting between JSON/native types.
* Project files.
* Split out RttiUtil.
Made RttiInfo constuction thread safe.
* WIP RTTI<->JSON.
* Add diagnostics to JSON<->native conversions.
* Make RttiInfo for structs globals. Avoids problem around derived types (like pointers), being able to cause an abort.
* Add pointer support to RTTI.
Fixed some compilation issues on linux.
* Add fixed array support.
* Added Rtti unit test.
* Add rtti unit test.
* Split out quoted/unquoted key handling.
Fix bugs in JSON value/container.
Added JSON native test.
* Make default array allocator use malloc/free.
Remove the new[] handler (doesn't work on visuals studio).
* Fix for linux warning.
* Remove some test code.
* Fix issues on x86 win.
* Fix warning on aarch64.
* Fix some bugs in JSON parsing/handling.
Make Rtti work copy/dtor/ctor struct types.
* Testing JSON<->native with fixed array.
Make makeArrayView explicit if it's just a single value.
Added array type.
* Fix getting arrayView.
* Improve JSON diagnostic name.
* First pass refactor using Rtti for JSON RPC.
* First pass of test server using RTTI/JSON-RPC.
* Added JSONRPCConnection.
* Fix some naming issues.
* First pass of test-server working.
* Added unit test support for JSON-RPC test server.
* Fix compilation issues on linux around template handling.
* Typo fix.
* Fix a bug around SourceLoc lookup with JSONContainer.
* Set the console type to console for ISlangWriters.
* Small improvements to test-server.
* Small improvements in test-server.
* Small fix.
* Remove test-proxy. Make test-process a process that can be used to unit test 'Process'.
Adding mechanism to control spawning that will create a new process for every test.
* Ability to remove source manager for JSONValue.
* WIP SimpleJSONValue.
* Add PersistentJSONValue
* Testing around PersistentJSONValue.
Bug fixes.
* Small code improvements.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Use 'Process' to communicate with an command line tool.
* Remove slang-win-stream
* Tidy up windows ProcessUtil.
* First version of BufferedReadStream.
* Windows working IPC for steams.
* Test proxy count option.
* Split Process/ProcessUtil. Process is platform dependant. ProcessUtil are functions that are platform independent.
* First implementation of Unix Process interface.
* Unix process compiles on cygwin.
* Fix typo in unix process.
* Separate unix pipe stream error of invalid access, from pipe availability.
* Fix in standard line extraction.
* Make fd non blocking.
* Fix issues with Windows Process streams.
* Added UnixPipe.
* Some fixes around UnixPipeStream.
* Make a unix stream closed explicit.
* Hack to debug linux process/stream.
* Revert to old linux pipe handling.
* Pass executable path for unit tests.
Split out CommandLine into own source.
* Small improvements in process/command line.
* Check process behavior with crash.
* Make stderr and stdout unbuffered for crash testing.
* Only turn disable buffering in crash test.
* Disable crash test on CI.
* Fix crash on clang/linux.
* Enable crash test.
Remove _appendBuffer as can use StreamUtil functionality.
* Added inital processing for http headers.
* Small improvements to HttpHeader.
* First pass HTTPPacketConnection working on windows.
* Enable other Process communication tests.
* Update comments.
* WIP JSON RPC.
* Add terminate to Process.
Made JSONRPC a Util.
* Small tidy up around HTTPPacketConnection.
* Improve process termination options.
* WIP for test-server.
* Add diagnostics error handling to test-server.
* Improved JSON support.
Parsing/creating JSON-RPC messages.
* WIP JSONRPC parsing.
* First pass RttiInfo support.
* WIP converting between JSON/native types.
* Project files.
* Split out RttiUtil.
Made RttiInfo constuction thread safe.
* WIP RTTI<->JSON.
* Add diagnostics to JSON<->native conversions.
* Make RttiInfo for structs globals. Avoids problem around derived types (like pointers), being able to cause an abort.
* Add pointer support to RTTI.
Fixed some compilation issues on linux.
* Add fixed array support.
* Added Rtti unit test.
* Add rtti unit test.
* Split out quoted/unquoted key handling.
Fix bugs in JSON value/container.
Added JSON native test.
* Make default array allocator use malloc/free.
Remove the new[] handler (doesn't work on visuals studio).
* Fix for linux warning.
* Remove some test code.
* Fix issues on x86 win.
* Fix warning on aarch64.
* Fix some bugs in JSON parsing/handling.
Make Rtti work copy/dtor/ctor struct types.
* Testing JSON<->native with fixed array.
Make makeArrayView explicit if it's just a single value.
Added array type.
* Fix getting arrayView.
* Improve JSON diagnostic name.
* First pass refactor using Rtti for JSON RPC.
* First pass of test server using RTTI/JSON-RPC.
* Added JSONRPCConnection.
* Fix some naming issues.
* First pass of test-server working.
* Added unit test support for JSON-RPC test server.
* Fix compilation issues on linux around template handling.
* Typo fix.
* Fix a bug around SourceLoc lookup with JSONContainer.
* Set the console type to console for ISlangWriters.
* Small improvements to test-server.
* Small improvements in test-server.
* Small fix.
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|
* #include an absolute path didn't work - because paths were taken to always be relative.
* Use 'Process' to communicate with an command line tool.
* Remove slang-win-stream
* Tidy up windows ProcessUtil.
* First version of BufferedReadStream.
* Windows working IPC for steams.
* Test proxy count option.
* Split Process/ProcessUtil. Process is platform dependant. ProcessUtil are functions that are platform independent.
* First implementation of Unix Process interface.
* Unix process compiles on cygwin.
* Fix typo in unix process.
* Separate unix pipe stream error of invalid access, from pipe availability.
* Fix in standard line extraction.
* Make fd non blocking.
* Fix issues with Windows Process streams.
* Added UnixPipe.
* Some fixes around UnixPipeStream.
* Make a unix stream closed explicit.
* Hack to debug linux process/stream.
* Revert to old linux pipe handling.
* Pass executable path for unit tests.
Split out CommandLine into own source.
* Small improvements in process/command line.
* Check process behavior with crash.
* Make stderr and stdout unbuffered for crash testing.
* Only turn disable buffering in crash test.
* Disable crash test on CI.
* Fix crash on clang/linux.
* Enable crash test.
Remove _appendBuffer as can use StreamUtil functionality.
* Added inital processing for http headers.
* Small improvements to HttpHeader.
* First pass HTTPPacketConnection working on windows.
* Enable other Process communication tests.
* Update comments.
* WIP JSON RPC.
* Add terminate to Process.
Made JSONRPC a Util.
* Small tidy up around HTTPPacketConnection.
* Improve process termination options.
* WIP for test-server.
* Add diagnostics error handling to test-server.
* Improved JSON support.
Parsing/creating JSON-RPC messages.
* WIP JSONRPC parsing.
* First pass RttiInfo support.
* WIP converting between JSON/native types.
* Project files.
* Split out RttiUtil.
Made RttiInfo constuction thread safe.
* WIP RTTI<->JSON.
* Add diagnostics to JSON<->native conversions.
* Make RttiInfo for structs globals. Avoids problem around derived types (like pointers), being able to cause an abort.
* Add pointer support to RTTI.
Fixed some compilation issues on linux.
* Add fixed array support.
* Added Rtti unit test.
* Add rtti unit test.
* Split out quoted/unquoted key handling.
Fix bugs in JSON value/container.
Added JSON native test.
* Make default array allocator use malloc/free.
Remove the new[] handler (doesn't work on visuals studio).
* Fix for linux warning.
* Remove some test code.
* Fix issues on x86 win.
* Fix warning on aarch64.
* Fix some bugs in JSON parsing/handling.
Make Rtti work copy/dtor/ctor struct types.
* Testing JSON<->native with fixed array.
Make makeArrayView explicit if it's just a single value.
Added array type.
* Fix getting arrayView.
* Improve JSON diagnostic name.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Use 'Process' to communicate with an command line tool.
* Remove slang-win-stream
* Tidy up windows ProcessUtil.
* First version of BufferedReadStream.
* Windows working IPC for steams.
* Test proxy count option.
* Split Process/ProcessUtil. Process is platform dependant. ProcessUtil are functions that are platform independent.
* First implementation of Unix Process interface.
* Unix process compiles on cygwin.
* Fix typo in unix process.
* Separate unix pipe stream error of invalid access, from pipe availability.
* Fix in standard line extraction.
* Make fd non blocking.
* Fix issues with Windows Process streams.
* Added UnixPipe.
* Some fixes around UnixPipeStream.
* Make a unix stream closed explicit.
* Hack to debug linux process/stream.
* Revert to old linux pipe handling.
* Pass executable path for unit tests.
Split out CommandLine into own source.
* Small improvements in process/command line.
* Check process behavior with crash.
* Make stderr and stdout unbuffered for crash testing.
* Only turn disable buffering in crash test.
* Disable crash test on CI.
* Fix crash on clang/linux.
* Enable crash test.
Remove _appendBuffer as can use StreamUtil functionality.
* Added inital processing for http headers.
* Small improvements to HttpHeader.
* First pass HTTPPacketConnection working on windows.
* Enable other Process communication tests.
* Update comments.
* WIP JSON RPC.
* Add terminate to Process.
Made JSONRPC a Util.
* Small tidy up around HTTPPacketConnection.
* Improve process termination options.
* WIP for test-server.
* Add diagnostics error handling to test-server.
* Improved JSON support.
Parsing/creating JSON-RPC messages.
* WIP JSONRPC parsing.
* First pass RttiInfo support.
* WIP converting between JSON/native types.
* Project files.
* Split out RttiUtil.
Made RttiInfo constuction thread safe.
* WIP RTTI<->JSON.
* Add diagnostics to JSON<->native conversions.
* Make RttiInfo for structs globals. Avoids problem around derived types (like pointers), being able to cause an abort.
* Add pointer support to RTTI.
Fixed some compilation issues on linux.
* Add fixed array support.
* Added Rtti unit test.
* Add rtti unit test.
* Split out quoted/unquoted key handling.
Fix bugs in JSON value/container.
Added JSON native test.
* Make default array allocator use malloc/free.
Remove the new[] handler (doesn't work on visuals studio).
* Fix for linux warning.
* Remove some test code.
* Fix issues on x86 win.
* Fix warning on aarch64.
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|
* #include an absolute path didn't work - because paths were taken to always be relative.
* Use 'Process' to communicate with an command line tool.
* Remove slang-win-stream
* Tidy up windows ProcessUtil.
* First version of BufferedReadStream.
* Windows working IPC for steams.
* Test proxy count option.
* Split Process/ProcessUtil. Process is platform dependant. ProcessUtil are functions that are platform independent.
* First implementation of Unix Process interface.
* Unix process compiles on cygwin.
* Fix typo in unix process.
* Separate unix pipe stream error of invalid access, from pipe availability.
* Fix in standard line extraction.
* Make fd non blocking.
* Fix issues with Windows Process streams.
* Added UnixPipe.
* Some fixes around UnixPipeStream.
* Make a unix stream closed explicit.
* Hack to debug linux process/stream.
* Revert to old linux pipe handling.
* Pass executable path for unit tests.
Split out CommandLine into own source.
* Small improvements in process/command line.
* Check process behavior with crash.
* Make stderr and stdout unbuffered for crash testing.
* Only turn disable buffering in crash test.
* Disable crash test on CI.
* Fix crash on clang/linux.
* Enable crash test.
Remove _appendBuffer as can use StreamUtil functionality.
* Added inital processing for http headers.
* Small improvements to HttpHeader.
* First pass HTTPPacketConnection working on windows.
* Enable other Process communication tests.
* Update comments.
* WIP JSON RPC.
* Add terminate to Process.
Made JSONRPC a Util.
* Small tidy up around HTTPPacketConnection.
* Improve process termination options.
Co-authored-by: Yong He <yonghe@outlook.com>
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|
* #include an absolute path didn't work - because paths were taken to always be relative.
* Use 'Process' to communicate with an command line tool.
* Remove slang-win-stream
* Tidy up windows ProcessUtil.
* First version of BufferedReadStream.
* Windows working IPC for steams.
* Test proxy count option.
* Split Process/ProcessUtil. Process is platform dependant. ProcessUtil are functions that are platform independent.
* First implementation of Unix Process interface.
* Unix process compiles on cygwin.
* Fix typo in unix process.
* Separate unix pipe stream error of invalid access, from pipe availability.
* Fix in standard line extraction.
* Make fd non blocking.
* Fix issues with Windows Process streams.
* Added UnixPipe.
* Some fixes around UnixPipeStream.
* Make a unix stream closed explicit.
* Hack to debug linux process/stream.
* Revert to old linux pipe handling.
* Pass executable path for unit tests.
Split out CommandLine into own source.
* Small improvements in process/command line.
* Check process behavior with crash.
* Make stderr and stdout unbuffered for crash testing.
* Only turn disable buffering in crash test.
* Disable crash test on CI.
* Fix crash on clang/linux.
* Enable crash test.
Remove _appendBuffer as can use StreamUtil functionality.
* Added inital processing for http headers.
* Small improvements to HttpHeader.
* First pass HTTPPacketConnection working on windows.
* Enable other Process communication tests.
* Update comments.
|
|
* #include an absolute path didn't work - because paths were taken to always be relative.
* Use 'Process' to communicate with an command line tool.
* Remove slang-win-stream
* Tidy up windows ProcessUtil.
* First version of BufferedReadStream.
* Windows working IPC for steams.
* Test proxy count option.
* Split Process/ProcessUtil. Process is platform dependant. ProcessUtil are functions that are platform independent.
* First implementation of Unix Process interface.
* Unix process compiles on cygwin.
* Fix typo in unix process.
* Separate unix pipe stream error of invalid access, from pipe availability.
* Fix in standard line extraction.
* Make fd non blocking.
* Fix issues with Windows Process streams.
* Added UnixPipe.
* Some fixes around UnixPipeStream.
* Make a unix stream closed explicit.
* Hack to debug linux process/stream.
* Revert to old linux pipe handling.
* Pass executable path for unit tests.
Split out CommandLine into own source.
* Small improvements in process/command line.
* Check process behavior with crash.
* Make stderr and stdout unbuffered for crash testing.
* Only turn disable buffering in crash test.
* Disable crash test on CI.
* Fix crash on clang/linux.
* Enable crash test.
Remove _appendBuffer as can use StreamUtil functionality.
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Fixes #1990
The underlying problem here is in the `ExtractExistentialType` AST node class.
An "existential" in current Slang is typically a value of interface type. When such a value is used in an operation, the type-checker "opens" the extistential so that subsequent type-checking steps can work with the (statically unknown) specific type of the value stored inside. The `ExtractExistentialType` AST node represents the type of an existential that has been "opened" in this way.
When the front-end performs lookup "into" a value with one of these types, it nees to use a reference to the original interface declaration with a "this-type substitution" that refers to the "opened" type (a this-type substitution tells the compiler the concrete type it should use in place of `This` in signatures within the interface; it allows compiler to "see" the right associated type definitions to use in a context).
Prior to this change, the implementation would store the specialized reference to the original interface declaration in the `ExtractExistentialType` node as part of its state. The catch there is that the specialized interface reference indirectly refers to the `ExtractExistentialType` AST node itself, creating a circularity. As soon as the front-end performs any operation that tries to recurse over that structure, it would go into an infinite loop.
The fix here sounds kind of like a hack, but seems to be pretty nice in practice. Instead of always storing the specialized interface reference, we instead store the few values that are needed to construct it, and then create and cache the actual reference on-demand. The on-demand created fields are not considered part of the state of the AST node for any kind of recursion or serialization, so they avoid the original problem.
A single test case was added that represents the original bug, and confirms the fix.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Support for test proxy.
* Turn on testing using proxy.
* Don't pass sink into check of downstream compiler.
* Small change to kick off build.
* Remove register specification on transcendental.
* Increase poll timeout.
Small improvements to proxy.
* Disable gfx unit tests.
* Put test runner in shared library mode by default.
* Change comment. Kick off another CI test.
* Small edit to kick off builds.
* Run unit tests on proxy.
* Turn on using proxy for now.
* Enable swift shader.
* Fix typo.
Add exception support.
* Make the default spwan type SharedLibrary
Use isolation for gfx unit tests.
* Update slang-binaries.
* Fix typo.
* Report unit test output information.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Add support for LLVM for host callable.
Added CodeGenTransitionMap.
* Remove hack to enable host callable for LLVM.
* Small improvements around transitions/downstream compiler.
* Fix typo in method name.
* Fix comment.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Upgrade to GLSLANG 11.16.0+
* Small edit to readme - really to kick another build.
* Upgrade slang-binaries to include new glslang binaries.
* Update slang-binaries to include linux-x86
* Upgrade slang-binaries.
* Support for GL_NV_ray_tracing_motion_blur extension.
* Fix issues with doc output around spirv_direct
Updated docs.
* Remove spirv_direct from names of codegen targets.
* Improvements around spirv_direct in docs.
* Updated stdlib docs.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Refactor Stream. Working on all tests.
* Split out CharEncode.
* Make method names lower camel.
m_prefix in Writer/Reader
* Tidy up around CharEncode interface.
* Small improvements around encode/decode.
* Better use of types.
* Remove readLine from TextReader.
* Remove exceptions from Stream/Text handling.
* Fix some typos.
* Fix tabbing.
* Fix missing override.
* Remove remaining exception throw/catch via using signal mechanism.
* Remove exceptions that are not used anymore.
* Document the Stream interface.
* Remove index for decoding 'get byte' function.
* Fix CharReader -> ByteReader.
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* Replace WIN32 preprocessor macros with _WIN32
* Add missing Windows.h include for InterlockedIncrement
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* #include an absolute path didn't work - because paths were taken to always be relative.
* First integration with 'slang-llvm'.
* Fix project.
* Fix test output.
* First pass assert support.
* Add inline impls for min and max.
* Add abs inline abs impl for llvm.
* Make abs not use ternary op
* Fix typo in slang-llvm.h
* Sundary fixes to make remaining tests using llvm backend pass.
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* Further implementation of SPIRV direct emit.
This change implements:
- Struct, Vector, Matrix and Unsized Array types.
- Basic arithmetic opcodes, vector construct, swizzle etc.
- getElementPtr, getElement, fieldAddress, extractField.
- SPIRV target intrinsics with SPIRV asm code in stdlib.
- RWStructuredBuffer and StructuredBuffer.
- Pointer storage class propagation.
- Control flow.
* Fix.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* WIP JSONWriter/JSONParser.
* Checking different Layout styles for JSON.
* Add slang-json-parser.h/.cpp
* WIP JSONValue.
* Added JSONValue::destroy/Recursive.
* Improvement to JSONValue.
* Improve text double conversion precision. Testing.
* Simplify double parsing (just use atof).
JSON comparison
More testing of conversions and start of JSONValue.
* Add <math.h> for isnan, isinf etc.
* Small improvement with object comparison.
* Fix typo in getArgsByName.
* Removed use of isnan and isinf as includes don't work on linux.
* Improve JSON unit test.
* Added asInteger/asFloat/asBool to JSONValue.
* Change comment to trigger CI build.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* WIP Json lexer.
* Check JSON Lex with unit test
* Add JSON escaping/unescaping of strings.
* Big fix encoding/decoding.
* Fix typo in JSON diagnostics.
* Fix typo.
* Better float testing.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Added SourceLoc handling for command line parsing.
* Fix typo in debug.
* Fix issue around the DiagnosticSink used in options parsing not having a writer available - by having DiagnosticSink parenting.
* Small rename for clarity.
* WIP extracting command line args for downstream tools.
* Unit tests/bug fixes around extracting args.
* Use DownstreamArgs in the EndToEndCompileRequest
* Passing downstream compiler options downstream.
* Fix issue with endToEndReq being nullptr.
* Fix issue with diagnostics number change.
* Small improvements to how the source line is displayed if it's too long.
Default to 120, as suggested in previous review.
* Make render test use x-args parsing and CommandArgReader.
* Added missing diagnostics.
* More DownstreamArgs to linkage so can be seen by 'components'.
Added dxc-x-arg test.
* Used combination of name and args instead of two Lists, which whilst equivalent was perhaps a little confusing.
* Added documentation for -X support.
* Added test for x-args parsing diagnostic. Improved diagnostic with list of known names.
* Fix issues from merge.
* Fix lookup for -matrix-layout-column-major in render test.
* Remove commented out line.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* WIP Fxc as downstream compiler.
* First pass FXC downstream compiler working.
* GCC compile fix.
* Fix FXC parsing issue.
* Special case filesystem access.
* Use StringUtil getSlice.
* Fix isses with not emitting source for FXC.
* Small fixes for DXBC handling.
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* Update gfx back-ends to handle static specialization
The main goal here is to make the D3D11, D3D12 and Vulkan back-ends support static specialization of interface types in the case where the data for the type won't "fit" in the pre-allocated space for existential values. This includes all cases where the concrete type being specialized to has resources/samplers/etc., as well as any cases where its ordinary/uniform data exceeds the space available.
(Note that the CPU and CUDA targets don't need this work since they can (in theory) support arbitrary-size data in the fixed-size existential payload by using pointer indirection. Actually supporting indirection in those cases should be a distinct change)
The Slang compiler already performs layout for programs that have this kind of data that doesn't "fit," and it lays them out using an idea of "pending" type layouts. Basically, a type that contains some amount of specialized interface-type fields will produce both a "primary" type layout that just covers the data for the unspecialized case, as well as "pending" type layout that describes the layout for all the extra data needed by specialization.
When laying out a `ConstantBuffer<X>` or `ParameterBlocK<X>` ("CB" or "PB"), the front-end will try to place as much of that "pending" data into the layout of the buffer/block itself as is possible. That means that both CBs and PBs will be able to allocate trailing bytes for any ordinary data in the "pending" layout. PBs will be able to allocate any trailing resources/samplers into their layout, but for CBs they will spill out to be part of the pending layout for the buffer itself.
In order for the back-ends to properly handle pending data, they need to *either* assume the exact layout rules used by the front-end and try to reproduce them (e.g., by iterating over binding ranges and sub-objects in the exact same order that front-end layout would enumerate them), *or* they need to respect the reflection information produced by the front-end. This change takes the latter approach, trying to make only minimal assumptions about the layout rules being used. This choice is motivated by wanting to decouple the `gfx` implementation from the compiler front-end, especially insofar as this work has made me question whether the current layout rules are the best ones possible.
A common theme across all the implementations is to have a fixed-size type that can represent "binding offsets" for the chosen back-end. The offset type has fields that depend on the API-specific way bindings are indexed; e.g., for D3D11 it has offsets for CBV, SRV, UAV, and sampler bindings. This fixed-size offset type can be filled in based on Slang reflecton information, and then used to compute derived offsets with just a few add operations.
The simple offset type for each API is then extended to produce an offset type that includes both the offsets for "primary" data and also the offsets for "pending" data. Most logic that traffics in offsets doesn't have to know about this more complicated representation.
Making consistent use of these offsets required that I pretty much rewrite the logic that actually applies shader objects to the API state. Doing so might be lowering the efficiency of the system in the near term, but the increase in clarity was important for getting the work done, and it seems like it will also be important if/when we start trying to perform special-case optimizations around root and entry-point parameter setting.
While there are many API-specific differences, we can identify a repeated pattern where many steps, whether applying parameters to the pipeline stage or constructing signatures / layouts, can be broken down into three main operations on `ShaderObject`s or their layouts:
* `*AsValue()` is the core operation, and is the one used for the `ExistentialValue` case most of the time. It ignores the ordinary data in the object, and instead processes all nested binding ranges (for resources/smaplers) and sub-objects.
* `*AsConstantBuffer()` handles the `ConstntBuffer<X>` case, by dealing with the implicit buffer for ordinary data (if it is needed) and then delegates to the `*AsValue()` case.
* `*AsParameterBlock()` handles the `ParameterBlock<X>` case, by allocating/preparing/etc. any descriptor tables/sets that would be required for the current object/layout and then delegating to `*AsConstantBuffer()` to do the rest
The idea is that by having the parameter block case delegate to the constant buffer case, which delegates to the value/existential case, we can streamline a lot of the logic so that it doesn't seem quite as full of special cases.
Note: When preparing this pull request I spent a reasonable amount of time trying to clean up the D3D11 and Vulkan implementations, so they are probably the easiest to read and understand when it comes to the new code. Doing the cleanup work also helped to work out some weird corner case bugs/issues. In contrast, the D3D12 path hasn't had as much attention given to cleanliness and comments, so it really needs some attention down the line to get things into a state that is easier to understand.
* fixup: remove debugging code spotted in review
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Split out StringEscapeUtil.
* Added StringEscapeUtil.
* Fix typo in unix quoting type.
* Small comment improvements.
* Try to fix linux linking issue.
* Fix typo.
* Attempt to fix linux link issue.
* Update VS proj even though nothing really changed.
* Fix another typo issue.
* Fix for windows issue.
Fixed bug.
* Make separate Utils for escaping.
* Fix typo.
* Split out into StringEscapeHandler.
* Windows shell does handle removing quotes (so remove code to remove them).
* Handle unescaping if not initiating using the shell.
* Slight improvement around shell like decoding.
* Simplify command extraction.
* Add shared-library category type.
* Fix bug in command extraction.
* Typo in transcendental category.
* Enable unit-test on in smoke test category.
* Make parsing failing output as a failing test.
* Fixes for transcendental tests. Disable tests that do not work.
* Changed category parsing.
* Removed the TestResult parameter from _gatherTestsForFile.
Made testsList only output.
* Remove testing if all tests were disabled.
* Make args of CommandLine always unescaped.
* Add category.
* Don't need escaping on unix/linux.
* Remove some no longer used functions.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Split out StringEscapeUtil.
* Added StringEscapeUtil.
* Fix typo in unix quoting type.
* Small comment improvements.
* Try to fix linux linking issue.
* Fix typo.
* Attempt to fix linux link issue.
* Update VS proj even though nothing really changed.
* Fix another typo issue.
* Fix for windows issue.
Fixed bug.
* Make separate Utils for escaping.
* Fix typo.
* Split out into StringEscapeHandler.
* Windows shell does handle removing quotes (so remove code to remove them).
* Handle unescaping if not initiating using the shell.
* Slight improvement around shell like decoding.
* Simplify command extraction.
* Add shared-library category type.
* Fix bug in command extraction.
* Typo in transcendental category.
* Enable unit-test on in smoke test category.
* Make parsing failing output as a failing test.
* Fixes for transcendental tests. Disable tests that do not work.
* Changed category parsing.
* Removed the TestResult parameter from _gatherTestsForFile.
Made testsList only output.
* Remove testing if all tests were disabled.
* Fix typo.
* Disable path canonical test on linux because CI issue.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* WIP CUDA half support.
* Working support for half on CUDA - requires cuda_fp16.h and associated files can be found.
* Fix for win32 for unused funcs.
* Fix for Clang.
* Hack to disable unused local function warning.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Split of NodeTree.
Split out FileUtil.
Split out MacroWriter.
* Rename slang-cpp-extractor-main.cpp -> cpp-extractor-main.cpp
* First pass at extractor unit-tests
* Initial parsing of enum.
* Ability to disable/enable parsing of scope types.
* Initial support for typedef.
* Added operator== != to ArrayVIew.
Added test for splitting to unit tests.
* Improve comment in StringUtil.
* Fix comment.
* Fix typo.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Small improvements around uniqueIdentify and CacheFileSystem
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* Improve robustness of gfx lifetime management.
* fix clang error
* fix clang error
* Fix clang warning
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Not sure if this call to `addRef` is intentional, but it is causing memory leaks.
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