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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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* #include an absolute path didn't work - because paths were taken to always be relative.
* Remove StructTag and associated systems.
* Fix typo and remove unit test for StructTag.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* WIP Abi struct.
* Use AbiSystem on SessionDesc.
* Use mask/shift constants.
* Fix issue causing warning on linux.
* Abi -> Api.
* Fix typo.
* Refactor to use StructTag.
* Mechanism to be able to follow fields.
* Field adding is working.
* WIP with StructTagConverter.
* First pass of StructTag appears to work. Still needs diagnostics.
* Small tidy up around Field.
* Use bit field to record what fields are recorded to remove allocation around the m_stack.
Use ScopeStack for RAII.
* Return SlangResult instead of pointers.
* Use SlangResult with copy.
* Split StructTagConverter implementations.
* Fix some bugs around lazy converting.
* First pass at unit test for StructTag.
* Testing StructTag going backwards in time.
* First pass as StructTag diagnostics.
* Make Traits a namespace.
* Fix some issues with Traits not being a class.
* Fix 32 bit warning.
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This change adds support for variadic macros in the C-style
preprocessor, e.g.:
#define DEBUG(MSG, ...) print(__FILE__, __LINE__, MSG, __VA_ARGS__)
Similar to the gcc preprocessor, this feature supports both named
variadic macro parameters and unnamed ones (which then default to
`__VA_ARGS__`.
The implementation work is mostly straightforward, although there are a
few subtle design choices worth mentioning:
* A variadic macro is represented by it having a variadic *parameter*
that is part of the ordinary parameter list.
* Argument parsing does *not* detect whether the macro being invoked is
variadic and collect/combine arguments to form a single argument value
for the variadic parameter. This is motivated by the need for some
extensions to differentiate a variadic parameter receiving a single
empty argument vs. zero arguments.
* Because any reference to the variadic parameter needs to expand to the
comma-separated arguments that match it, the logic for turning a macro
parameter reference into a list of tokens has been factored out into a
subroutine that handles the details.
* The choice in the earlier refactor to have a macro invocation collect
all the argument tokens (including the intervening commas) into a
single token list seems to pay off here, because it means that the
tokens in the expansion of a variadic parameter reference were already
stored contiguously.
* The special-case logic for handling an empty argument list had to be
tweaked again to ensure that an empty argument list is treated as
having zero arguments for the variadic parameter. Note that
historically C did not define the behavior of this case, and always
required at least one argument for any variadic macro parameter.
* The logic for checking whether the number of arguments to a macro
invocation is valid needed to handle variadic and non-variadic macros
as distinct cases. There really isn't much overlap in how the checks
need to work, even if we tried to change the underling representation.
The main missing feature here is any way to discard a comma in a macro
body that appears before a variadic parameter reference, e.g.:
#define DEBUG(...) print("debug:", __VA_ARGS__)
In this case, an empty invocation list `DEBUG()` will expand to
`print("debug:",)` - a call with a trailing comma in the argument list.
If users end up needing a way to discard commas in cases like this, we
have many options we can consider. This change does not implement any of
them to keep the initial work as minimal as possible.
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Move logic to determine how to load a downstream shared library to DownstreamCompilerUtil::loadSharedLibrary.
Handle if the given path is directory or a file.
* Improve comment.
* Special handling for a downstream compiler loading SharedLibrary detection - take into account filename may be different.
* Handle cases if path is set but paths can't be determined.
* Fix typo.
Co-authored-by: T. Foley <tfoleyNV@users.noreply.github.com>
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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.
* Add SourceLoc to JSONListener.
* Added ability to walk the JSONValue
* JSONBuilder.
* Add converting from lexemes via JSONBuilder.
* Fix VS warning.
* Fix warning for res not being used.
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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.
* Fix issue with with SLANG_ENABLE_GLSLANG_SUPPORT
* Update expected output from glslang-error.glsl
* Fix bug in glsl dissassembly.
* Make ExtensionTracker available even if source is not emitted.
* Only explicitly set extension tracker based on capability bits, if we are in pass through.
* Small simplification of invoke sourceEmit.
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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
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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.
* 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.
Co-authored-by: T. Foley <tfoleyNV@users.noreply.github.com>
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* Overhaul the preprocessor
The old Slang preprocessor was based on a simple mental model that tried to unify two parts of macro expansion:
* Scanning for macro invocations in a sequence of tokens
* Producing the expanded tokens for a macro expansion by substituting arguments into its body
The basic was that substitution of macro arguments into a macro definition is superficially similar to top-level macro expansion, just with an environment where the macro arguments act like `#define`s for the corresponding parameter names. That approach was "clever" and could conceivably have been extended to include a lot of advanced preprocessor features (e.g., a preprocessor-level `lambda` would be easy to support!), but it was basically impossible to make it correctly handle all the corner cases of the full C/C++ preprocessor.
The fundamental problem with the old approach was that it conflated the two parts of expansion listed above into one implementation, while the various special cases of the C/C++ preprocessor rely on treating the two cases very differently. The new approach here (which is somewhere between a refactor and a full rewrite of the preprocessor) changes things up in a few key ways:
* The abstraction still cares a lot about streams of tokens, but it now treats the top level streams (`InputFile`s) as fairly different from the lower-level streams (`InputStream`s)
* Macro expansion is handled as a dedicated type of stream that wraps another stream. This allows macro expansion to be applied to anything, and supports cases where multiple rounds of macro expansion are required by the spec.
* Macro *invocations* and the substitution of their arguments are now handled by a completely new system.
* Macro arguments are no longer treated as if they were `#define`s
* The macro body/definition is analyzed at definition time to detect various kinds of issues, and to derive a list of "ops" that make it easier to "play back" the definition at substitution time
* Token pasting and stringizing are now only handled in macro definitions (rather than being allowed anywhere), and their use cases are restricted to only those that make sense (e.g., you can't stringize anythign except a macro parameter, because anything else wouldn't make sense)
The key new types here are the `ExpansionInputStream` which handles scanning for macro invocations, and the `MacroInvocation` type, which handles playing back the macro body with substitutions.
The `ExpansionInputStream` is the easier of the two to understand. By refactoring it to use a single token of lookahead, the one major detail it had to deal with before (abandoning expansion of a function-like macro if the macro name was not followed by `(`) is significantly easier to manage.
The more subtle part is the `MacroInvocation` type, and most of the complexity there is around handling of token pasting, and the fact that either or both of the operands to a token paste might be empty.
Many of the test cases that exposed the problems in the preprocessor have been moved from `current-bugs` to `preprocessor` since they now work correctly.
* debugging: enable extractor command line dump
* fixup
* fixup
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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.
Co-authored-by: T. Foley <tfoleyNV@users.noreply.github.com>
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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.
* WIP on DXC.
* Small fixes for DXBC handling.
* Removed DXC from ParseDiagnosticUtil (can use generic)
Try to improve output for notes from DXC.
* FIrst pass of Glslang as DownstreamCompiler
* Fix some problems with parsing for glslang replacement.
* Add slang-glslang-compiler.cpp/.h
* Fix downstream for spir-v output.
* dissassemble -> disassemble
* Fix typo and improve some naming/comments.
* Remove getSharedLibrary from DownstreamCompiler
* Removed some no longer used diagnostics.
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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.
* WIP on DXC.
* Small fixes for DXBC handling.
* Removed DXC from ParseDiagnosticUtil (can use generic)
Try to improve output for notes from DXC.
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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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* #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.
* Pass LexerFlags to all lexing functionality that may output a diagnostic.
* Add test for lexing disabling issue.
* Improve tests.
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.
* 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.
* Made 64 bit requirement clearer for CUDA/PTX.
Added compile assert for NVRTC for 32 bit OS, that are known to require 64bit.
* Disabled location of NVRTC on linux/win x86.
* Only restrict NVRTC on windows
* Simplify checking on 64 bit windows for NVRTC.
Co-authored-by: Tim Foley <tfoleyNV@users.noreply.github.com>
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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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