Feature/com helper (#606)

* Added Result definitions to the slang.h

* Removed slang-result.h and added slang-com-helper.h

* Move slang-com-ptr.h to be publically available.

* Add SLANG_IUNKNOWN macros to simplify implementing interfaces.
Use the SLANG_IUNKNOWN macros to in slang.c

* Removed slang-defines.h added outstanding defines to slang.h

* Include slang-com-ptr.h and slang-com-helper.h in archives built with CI.

* Use spaces instead of tabs on appveyor.yml

* Put operator== and != for Guid in global namespace.

* Fix binary windows archive to have all the slang headers.

appveyor.yml

@@ -81,13 +81,18 @@ after_build:
         $env:SLANG_DEPLOY_PLATFORM = "win32"
       }
       $env:SLANG_BINARY_ARCHIVE = "slang-$($env:SLANG_VERSION)-$($env:SLANG_DEPLOY_PLATFORM).zip"
-      $env:SLANG_SOURCE_ARCHIVE = "slang-$($env:SLANG_VERSION)-source.zip"
+
       7z a "$env:SLANG_BINARY_ARCHIVE" slang.h
+      7z a "$env:SLANG_BINARY_ARCHIVE" slang-com-helper.h
+      7z a "$env:SLANG_BINARY_ARCHIVE" slang-com-ptr.h
       7z a "$env:SLANG_BINARY_ARCHIVE" bin\*\*\slang.dll
       7z a "$env:SLANG_BINARY_ARCHIVE" bin\*\*\slang.lib
       7z a "$env:SLANG_BINARY_ARCHIVE" bin\*\*\slang-glslang.dll
       7z a "$env:SLANG_BINARY_ARCHIVE" bin\*\*\slangc.exe
       7z a "$env:SLANG_BINARY_ARCHIVE" docs\*.md
+
+      $env:SLANG_SOURCE_ARCHIVE = "slang-$($env:SLANG_VERSION)-source.zip"
+      
       7z a "$env:SLANG_SOURCE_ARCHIVE" slang.h
       7z a "$env:SLANG_SOURCE_ARCHIVE" slang-com-helper.h
       7z a "$env:SLANG_SOURCE_ARCHIVE" slang-com-ptr.h

slang-com-helper.h

@@ -37,8 +37,13 @@ typedef SlangResult Result;
 // Alias SlangUUID to Slang::Guid
 typedef SlangUUID Guid;
 
-SLANG_FORCE_INLINE bool operator==(const Guid& aIn, const Guid& bIn)
+} // namespace Slang
+
+// Operator == and != for Guid/SlangUUID
+
+SLANG_FORCE_INLINE bool operator==(const Slang::Guid& aIn, const Slang::Guid& bIn)
 {
+    using namespace Slang;
     // Use the largest type the honors the alignment of Guid
     typedef uint32_t CmpType;
     union GuidCompare
@@ -53,12 +58,11 @@ SLANG_FORCE_INLINE bool operator==(const Guid& aIn, const Guid& bIn)
     return ((a[0] ^ b[0]) | (a[1] ^ b[1]) | (a[2] ^ b[2]) | (a[3] ^ b[3])) == 0;
 }
 
-SLANG_FORCE_INLINE bool operator!=(const Guid& a, const Guid& b)
+SLANG_FORCE_INLINE bool operator!=(const Slang::Guid& a, const Slang::Guid& b)
 {
     return !(a == b);
 }
 
-
 /* !!!!!!!! Macros to simplify implementing COM interfaces !!!!!!!!!!!!!!!!!!!!!!!!!!!! */
 
 /* Assumes underlying implementation has a member m_refCount that is initialized to 0 and can have ++ and -- operate on it. 
@@ -101,7 +105,6 @@ SLANG_NO_THROW uint32_t SLANG_MCALL release() \
     SLANG_IUNKNOWN_ADD_REF \
     SLANG_IUNKNOWN_RELEASE 
 
-} // namespace Slang
 #endif // defined(__cplusplus)
 
 #endif