[NFC][HLSL][RootSignature] Move HLSLRootSignatureParser into clangSema

Noting:
- Currently, `HLSLRootSignatureParser` is defined in `clangParse`, as it
would naturally seem an appropriate place to place.

- Surprisingly, `clangParse` has a dependency on `clangSema`. So we can't
introduce a dependency of `clangSema` onto `clangParse`.

- Given the users of `HLSLRootSignatureParser` will be `SemaHLSL` when
parsing from source and `clangFrontend` when we are parsing as a
command line argument.

- Therefore, we are required to move this out of `clangParse` so that
`clangSema` can reference it.

This commit moves `HLSLRootSignatureParser` into `clangSema` so it can
be linked to all its dependencies (`clangFrontend` already depends on
`clangSema`)

Author: inbelic

clang/include/clang/Parse/ParseHLSLRootSignature.h renamed to clang/include/clang/Sema/ParseHLSLRootSignature.h

@@ -14,7 +14,6 @@ add_clang_library(clangParse
   ParseExpr.cpp
   ParseExprCXX.cpp
   ParseHLSL.cpp
-  ParseHLSLRootSignature.cpp
   ParseInit.cpp
   ParseObjc.cpp
   ParseOpenMP.cpp

clang/lib/Parse/CMakeLists.txt

@@ -26,6 +26,7 @@ add_clang_library(clangSema
   JumpDiagnostics.cpp
   MultiplexExternalSemaSource.cpp
   ParsedAttr.cpp
+  ParseHLSLRootSignature.cpp
   Scope.cpp
   ScopeInfo.cpp
   Sema.cpp

clang/lib/Sema/CMakeLists.txt

@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "clang/Parse/ParseHLSLRootSignature.h"
+#include "clang/Sema/ParseHLSLRootSignature.h"
 
 #include "clang/Lex/LiteralSupport.h"
 

clang/lib/Parse/ParseHLSLRootSignature.cpp renamed to clang/lib/Sema/ParseHLSLRootSignature.cpp

@@ -49,7 +49,6 @@ endfunction()
 
 add_subdirectory(Basic)
 add_subdirectory(Lex)
-add_subdirectory(Parse)
 add_subdirectory(Driver)
 if(CLANG_ENABLE_STATIC_ANALYZER)
   add_subdirectory(Analysis)

clang/unittests/CMakeLists.txt

@@ -3,13 +3,15 @@ add_clang_unittest(SemaTests
   CodeCompleteTest.cpp
   HeuristicResolverTest.cpp
   GslOwnerPointerInference.cpp
+  ParseHLSLRootSignatureTest.cpp
   SemaLookupTest.cpp
   SemaNoloadLookupTest.cpp
   CLANG_LIBS
   clangAST
   clangASTMatchers
   clangBasic
   clangFrontend
+  clangLex
   clangParse
   clangSema
   clangSerialization

clang/unittests/Parse/CMakeLists.txt

@@ -21,7 +21,7 @@
 #include "clang/Lex/PreprocessorOptions.h"
 
 #include "clang/Lex/LexHLSLRootSignature.h"
-#include "clang/Parse/ParseHLSLRootSignature.h"
+#include "clang/Sema/ParseHLSLRootSignature.h"
 #include "gtest/gtest.h"
 
 using namespace clang;