| Commit message (Collapse) | Author | Age |
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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.
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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.
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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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* #include an absolute path didn't work - because paths were taken to always be relative.
* Add mechanism to embed guid inside of type.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Split out compiler-core initially with just slang-source-loc.cpp
* More lexer, name, token to compiler-core.
* Split Lexer and Core diagnostics.
* Move slang-file-system to core.
* Add slang-file-system to core.
* More DownstreamCompiler into compiler-core
* Fix typo.
* Add compiler-core to bootstrap proj.
* Small fixes to premake
* For linux try with compiler-core
* Remove compiler-core from examples.
* Added NameConventionUtil to compiler-core
* Add global function to CharUtil to *hopefully* avoid linking issue.
* Hack to make linkage of CharUtil work on linux.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* First pass support for __LINE__ and __FILE__.
* Test include handling with __FILE__
Fix diagnostic compare when input is empty.
* Fix some issues in preprocessor handling of special macros like __LINE__
Add a more complex test.
* Use CONCAT2 in tests, because preprocessor doesn't quite get parameter expansion correct.
* Make __FILE__ and __LINE__ behave more like Clang/Gcc.
* A test for preprocessor bug.
* Fix __LINE__ and __FILE__ in macro expansion, should be initiating location.
* Fix some comments.
* Small tidy up around builtin macros.
* Small improvements for macro type names.
Escape found paths.
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This change allows the `TEST_INPUT` syntax used by `render-test` to support aggregate values with a single input line more easily.
The test writer can now use a syntax like:
```
//TEST_INPUT:set someVar = 3.0
```
Input lines that start with the `set` keyword will now use a simpler `dst = src` format (instead of `dst:name=src` as the existing syntax used). The right-hand side expression can include:
* Numeric literals, both integer and floating-point (currently only supporting 32-bit scalar types; we could fix this later)
* Arrays, consisting of zero or more comma-separated expressions inside `[]`
* Aggregates, consisting of zero or more comma-separated "fields" inside `{}`. A field can either be `name: <expr>` or just `<expr>`
* Objects, which can be written as either `new SomeType{ <fields> }` or `new{ <fields> }` in the case where the type is know-able from context
With this approach is should be possible to support almost arbitrary-type inputs on a single line. For now, I have used this support to re-enable an existing test that had been disabled due to lack of support for setting up arrays of objects.
Major things left to do:
* The new syntax doesn't support the existing cases we had for `Texture2D`, etc. Those should probably be supported but I'd like to find a way to do it without duplicating the parsing logic (ideally the value cases from the existing code should Just Work in the new model)
* There is no support right now for non-32-bit scalar types
* It would be good if this support (and the shader cursor system) supported treating vectors like aggregates
* The actual value-setting logic doesn't currently handle aggregates without field names, so `{ a:0, b:1 }` will work but `{ 0, 1 }` will parse but fail when it comes time to set values
* While this approach lets complicated values be set with a single line, that isn't always what a user will want to do: in the future we should provide a way to break up an aggregate value over multiple lines that is consistent with this approach
* Once we port all of the relvant tests over, it would be great to drop the `set` prefix and have these lines look as simple and conventional as possible
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The original goal of this change was to streamline the `TEST_INPUT` system by eliminating options that are no longer relevant once we have eliminated the non-shader-object execution paths. The result is more or less a re-implementation/refactor of the logic around how input is parsed and represented, that tries to set things up for a more general sytem going forward.
The main changes isthat the `ShaderInputLayout` no longer tracks a simple flat list of `ShaderInputLayoutEntry` (that is a kind of pseudo-union of the various buffer/texture/value cases), and it instead uses a hierarchical representation composed of `RefObject`-derived classes to represent "values."
There are several "simple" cases of values
* Textures
* Samplers
* Uniform/ordinary data (`uniform`)
* Buffers composed of uniform/ordinary data (`ubuffer`)
Then there are composed/aggregate values that nest other values:
* An *aggregate* value is a set of *fields* which are name/value pairs. It can be used to fill in a structure, for example.
* An *array* value is a list of values for the elements of an array. It can be used to fill out an array-of-textures parameter, for example.
* A combined texture/sampler value is a pair of a texture value and a sampler value (easy enough)
* An *object* holds an optional type name for a shader object to allocate (it defaults to the type that is "under" the current shader cursor when binding), and a nested value that describes how to fill in the contents of that object
Finally there are cases of values that are just syntactic sugar:
* A `cbuffer` is just shorthand for creating an object value with a nested uniform/ordinary data value
The big idea with this recursive structure is that it gives us a way to handle more arbitrary data types with name-based binding. Supporting this new capability requires changes to both how input layouts get parsed, and also how they get bound into shader objects.
On the parsing side, things have been refactored a bit so that parsing isn't a single monolithic routine. The refactor also tries to make it so that the various options on an input item (e.g., the `size=...` option for textures) are only supported on the relevant type of entry (so you can't specify as many useless options that will be ignored).
The bigger change to parsing is that it now supports a hierarchical structure, where certain input elements like `begin_array` can push a new "parent" value onto a stack, and subsequent `TEST_INPUT` lines will be parsed as children of that item until a matching `end` item. This approach means that we can now in principle describe arbitrary hierarchical structures as part of test input without endlessly increasing the complexity of invididual `TEST_INPUT` lines.
On the binding side, we now have a central recursive operation called `assign(ShaderCursor, ShaderInputLayout::ValPtr)` that assigns from a parsed `ShaderInputLayout` value to a particular cursor. That operation can then recurse on the fields/elements/contents of whatever the cursor points to.
Major open directions:
* With this change it is still necessary to use `uniform` entries to set things like individual integers or `float`s and that is a little silly. It would be good to have some streamlines cases for setting individual scalar values.
* Further, once we have a hierarchical representation of the values for `TEST_INPUT` lines, it becomes clear that we really ought to move to a format more like `TEST_INPUT: dstLocation = srcValue;` where `srcValue` is some kind of hierarchial expression grammar. Refactoring things in this way should make the binding logic even more clear and easy to understand. The refactored parser should make parsing hierarchical expressions easier to do in the future (even if it uses the push/pop model for now)
* One detailed note is that the representation of buffers in this change is kind of a compromise. Just as an "object" value is a thin wrapper around a recursively-contained value for its "content" it seems clear that a buffer could be represented as a wrapper around a content value that could include hierarchical aggregates/objects instead of just flat binary data (this would be important for things like a buffer over a structure type that lays out different on different targets). The main problem right now with changing the representation is actually needing to compute the size of a buffer based on its content, so that can/should be addressed in a subsequent change.
Details:
* The base `RenderTestApp` class and the `ShaderObjectRenderTestApp` classes have been merged, since the hierarchy no longer serves any purpose.
* Disabled the tess that rely on `StructuredBuffer<IWhatever>` because they aren't really supported by our current shader object implementation
* Replaced used of `Uniform` and `root_constants` in `TEST_INPUT` lines with just `uniform`
* Removed a bunch of uses of `stride` from `cbuffer` inputs, where it wasn't really correct/meaningful
* Added the `copyBuffer()` operation to VK/D3D renderers, along with some missing `Usage` cases to support it.
* Made `ShaderCursor` handle the logic to look up a name in the entry points of a root shader object, rather than just having that logic in `render-test`. (We probably need to make a clear design choice on this issue)
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* Reimplement Vulkan shader objects.
This change reimplements Vulkan shader objects in the `gfx` layer so that it is no longer layered on top of the `DescriptorSet` abstraction. Since this is the last implementation that uses `DescriptorSet`, the change also removes all `DescriptorSet` related API from public `gfx` interface.
The Vulkan implementation now passes all test cases, but it still have two issues:
1. The PushConstant setting is not correct, this is because we don't seem to be able to get correct reflection data about the size of push constants for an entry-point.
2. The `shader-toy` example can't run on Vulkan, because it currently sets nullptr to `Texture` bindings, and this change doesn't properly handle setting resource to null in `ShaderObject`s yet. If we can use the `nullDescriptor` feature on vulkan, this implementation will be simple. However we still want to decide whether we want to use a Vulkan 1.2 feature for this.
* Fix up
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Split out AST 'printing'.
* Replace listener with List<Section>
* Section -> Part.
* Kind -> Type Flags -> Kind for ASTPrinter::Part
* Improve comments around ASTPrinter.
* toString -> toText on Val derived types. toText appends to a StringBuilder.
* Added toSlice free function.
Added operator<< for Val derived types.
Use << where appropriate in doing toText.
* More work at mark down output.
* Fill in sourceloc for enum case.
Add more sophisticated location determination for EnumCase.
Refactored documentation output into DocMarkdownWriter.
* Improvements for sig output.
* Split up slang-doc into extractor and writer.
* WIP generic support for doc support.
* Some refactoring to make DocExtractor have potential to be used without Decls.
* Made doc extraction work without Decls.
* Output generic parameters.
* Add generic parameter extraction.
* Added writing variables.
* Add an interface test.
* Fix toArray.
* Support for extensions, and inheritance.
* Disable the doc test.
* Added flags to compileStdLib.
* More work around handling generics in markdown output.
* More improvements around associated type handling.
* List method names only once.
Output in/out/inout/const
* Fix namespace printing.
* WIP summarizing doc output.
* Small fixes and improvements for doc output.
* Output all stdlib in single doc file.
* Remove compile flags from addBuiltinSource.
* Find only unique signatures.
First pass at trying to get requirements.
* First pass at requirements for stdlib docs.
* Remove __ function/methods
* Added Target Availability
* Add markup access.
Make sections of stdlib hidden.
* MarkdownAccess -> Visibility
Add isVisible methods
Use ASTPrinter to print decl name.
* Add current stdlib doc output.
* Disable doc test for now.
* Fix clang issue.
* Don't use bullets and numbering , just use numbering.
* Put methods in source order.
* Fix bad-operator-call.slang test that fails because it now outputs out parameters as such.
* Refactor MarkDownWriter to separate 'extraction' from output.
* Fix typo around @ lines.
* Fix issue with extracting 'before' when preceeded by complex attributes/modifiers.
* Fix handling of generics with the same name.
* Work around for having overloading with generics - we don't want to output generic params as part of name.
* Remove generic paramters from name.
* Simplify handling of outputting overridable names.
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* Refactor window library.
* Fix project file
* Fix warnings.
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* Cache stdlib when creating global session.
* Fix
* Fix
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* #include an absolute path didn't work - because paths were taken to always be relative.
* First pass at handling 'names' that are too long in GLSL output.
* Test to check functionality with very long func name.
* Add access a long names buffer.
* Fix typo in assert.
Fix issue with coercion error for 1.0f / 0x7fffffff
Co-authored-by: Tim Foley <tfoleyNV@users.noreply.github.com>
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* Add command-line control over SPIR-V version
By default the Slang compiler policy is usually to produce output with the fewest dependencies possible. If input code can be encoded as SPIR-V 1.0, that is what we will use by default. The catch here is that in some cases later SPIR-V versions introduced improvements to the encoding that can affect performance (e.g., around large global arrays of constants), so that a user might explicitly want to require a newer SPIR-V version (restricting the driver versions their code can work on) in the hopes of seeing better performance.
This change uses the system of capabilities that was previously introduced so that an option like `-profile glsl_450+spirv_1_5` can be used to explicitly request a specific SPIR-V version. Consistent with the existing implementation, the requested version will be taken as a minimum, and the final version might be higher based on other requirements (e.g., use of intrinsic functions that require a higher version).
The test case included here is a little iffy in terms of long-term maintanenace. It relies on having both a `.slang` file and a `.glsl` file that we compile with the same options and then compare the SPIR-V, but that means there is no direct testing that the output SPIR-V actually uses the necessary version. If we break the inference of SPIR-V versions for both the regular and pass-through paths at once, this test won't flag the problem. A better test is probably needed soon.
This change *only* adds support for controlling the SPIR-V version via capabilities specified via the command line or API. It would be nice to a future change to allow something like `[require(spirv_1_5)]` to be added to an entry point function to allow the user to embed their expectation/requirement into the source code.
* fixup: clang warning
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Split out AST 'printing'.
* Replace listener with List<Section>
* Section -> Part.
* Kind -> Type Flags -> Kind for ASTPrinter::Part
* Improve comments around ASTPrinter.
* toString -> toText on Val derived types. toText appends to a StringBuilder.
* Added toSlice free function.
Added operator<< for Val derived types.
Use << where appropriate in doing toText.
* More work at mark down output.
* Fill in sourceloc for enum case.
Add more sophisticated location determination for EnumCase.
Refactored documentation output into DocMarkdownWriter.
* Improvements for sig output.
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* Explicit swapchain interface in `gfx`.
* Correctly return nullptr when `IRenderer` creation failed.
* Fix crashes on CUDA tests.
* Cleanups.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* WIP extracting source documentation.
* WIP doc extraction.
* More stuff around doc markup extraction.
* More WIP around doc extraction.
* Fix some indexing issues.
* Initial doc extraction working.
* Renaming of types in markup extraction process.
* Extracting markup content.
Removing indenting.
Other fixes and improvements around document tools.
* WIP support for documentation system.
* Remove some commented out sections.
* Remove some comments that no longer apply.
* Improvements around SourceFile - such that more granularity around line ops.
Made some functionality explicitly work without source.
Improved Doc types nameing.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* WIP: First pass in supporting output of line error information.
* Add support for lexing to better be able to indicate SourceLocation information.
* Fix lexer usage in DiagnosticSink in C++ extractor.
* Update diagnostics tests to have line location info.
* Fixed test expected output that now have source location information in them.
* Better handling of tab.
* Fix test expected results for tabbing change.
* DiagnosticLexer -> DiagnosticSink::SourceLocationLexer
Added line continuation tests.
* Fix typo.
* Added String::appendRepeatedChar
* Change to rerun tests.
Co-authored-by: Tim Foley <tfoleyNV@users.noreply.github.com>
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The basic feature here is the ability to use the `&` operator to produce the conjunction/intersection of two interfaces. That is, you can have interfaces:
interface IFirst { int getFirst(); }
interface ISecond { int getSecoond(); }
and if you need a generic function where the type parameter `T` must conform to *both* of these interfaces, you express that by constraining the parameter to the intersection of the interfaces:
void someFunction<T : IFirst & ISecond>(T value) { ... }
Without this feature, the main alternative an application would have is to define an intermediate interface, like:
interface IBoth : IFirst, ISecond {}
Forcing users to deal with an intermediate interface creates more work for type authors (they need to remember to inherit from the right combined interface(s)), or for `extension` authors (when you add `ISecond` to a type that used to just support `IFirst`, you had better also add `IBoth`). In the worst case, a family of N related "leaf" interfaces would give rise to an exponential number of intermediate interfaces to represnt the possible combinations.
A conjunction like `IFirst & ISecond` is officially its own type, and can be used to declare a type alias:
typealias IBoth = IFirst & ISecond;
This change only includes the first pass of work on this feature, so there are several caveats to be aware of:
* Using a conjunction as part of an inheritance clause is not yet supported (e.g., `struct X : IFirst & ISecond`). This is true even if the conjunction was introduced by an intermediate `typealias`
* The `&` syntax introduced here is only parsed in places where only a type (not an expression) is possible. This means you cannot do things like cast to a conjunction with `(IFirst & ISecond)(someValue)`.
* This work *should* apply to conjunctions of more than two interfaces (like `IA & IB & IC`) but that has not yet been tested
* In the long run it may be sensible to allow conjunctions that use concrete types, but we really ought to have the semantic checking logic rule that out for now.
* During testing, I encountered compiler crashes when trying to use this feature together with `property` declarations. Further investigation and debugging is called for.
* The handling of conjunction types is currently incomplete, in that there are many equivalences the compiler does not yet understand. For example, it is clear that `IA & IB` is equivalent to `IB & IA`, but the compiler currently does not understand this and will treat them as different types. A deeper implementation approach is called for.
* Conjunctions are currently only supported for generic type parameter constraints, when performing full specialization. Use of conjunctions for existential-type value parameters or with dynamic dispatch is not yet supported.
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