Generate Visual Studio projects using Premake (#557)

* Generate Visual Studio projects using Premake

This change adds a `premake5.lua` file that allows us to generate our Visual Studio solution using Premake 5 (https://premake.github.io/).
The existing Visual Studio solution/projects are now replaced with the Premake-generated ones, and project contributors will be expected to update these by running premake after adding/removing files.

I have *not* changed the Linux `Makefile` build at all, because that file is also used for things like running our tests, so that clobbering it with a premake-generated `Makefile` would break our continuous testing.
Hopefully future changes can switch to a generated `Makefile` and perhaps even add an XCode project as well.

Notes:

* The `build/slang-build.props` file is no longer needed/used, so it has been removed.

* The `slang-eval-test` test fixture wasn't following our naming conventions for its directory path, so it was updated to streamline the Premake build configuration work. This required changes to the `Makefile` as well

* Some seemingly unncessary preprocessor definitions that were specified for `core` and `slang-glslang` have been dropped. We will see if anything breaks from that.

* Possible fixup for Premake vpath issue

Premake's `vpath` feature seems to be nondeterministic about the order it applies filters (because Lua isn't deterministic about the order of entries in a key/value table), and as a result we can end up in a weird case where it decides that a `foo.cpp.h` file matches the `**.cpp` filter (I'm not sure why) before it tests against the `**.h` filter.

This change uses an (undocumented) Premake facility to set `vpath` using a list of singleton tables, which seems to fix the order in which things get tested.

* Remove support for "single-file" build of Slang

The `hello` example was the only bit of code that uses the "single-file" way of building Slang, and this had already run up against limitations of the Visual Studio compilers in its Debug|x64 build.
Rather than mess with Premake to make it pass through the `/bigobj` linker flag that is needed to work around the issue, it makes more sense just to stop using/supporting the feature since we wouldn't want users to depend on it anyway (our documentation no longer refers to it).

While I was at it I went ahead and made sure that the `SLANG_DYNAMIC` flag doesn't need to be set manually, so that instead there is a non-default `SLANG_STATIC` option (not that we have a static-library build of Slang at the moment).

2 files changed, 216 insertions, 96 deletions

diff --git a/source/core/core.vcxproj b/source/core/core.vcxproj
index 803c1ab12..ecd8ee07b 100644
--- a/source/core/core.vcxproj
+++ b/source/core/core.vcxproj
@@ -18,196 +18,197 @@
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     </ProjectConfiguration>
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-  <ItemGroup>
-    <ClInclude Include="allocator.h" />
-    <ClInclude Include="array-view.h" />
-    <ClInclude Include="array.h" />
-    <ClInclude Include="basic.h" />
-    <ClInclude Include="common.h" />
-    <ClInclude Include="dictionary.h" />
-    <ClInclude Include="exception.h" />
-    <ClInclude Include="hash.h" />
-    <ClInclude Include="int-set.h" />
-    <ClInclude Include="list.h" />
-    <ClInclude Include="secure-crt.h" />
-    <ClInclude Include="slang-com-ptr.h" />
-    <ClInclude Include="slang-defines.h" />
-    <ClInclude Include="slang-free-list.h" />
-    <ClInclude Include="slang-io.h" />
-    <ClInclude Include="slang-math.h" />
-    <ClInclude Include="slang-result.h" />
-    <ClInclude Include="slang-string-util.h" />
-    <ClInclude Include="slang-string.h" />
-    <ClInclude Include="smart-pointer.h" />
-    <ClInclude Include="stream.h" />
-    <ClInclude Include="text-io.h" />
-    <ClInclude Include="token-reader.h" />
-    <ClInclude Include="type-traits.h" />
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-    <ClCompile Include="platform.cpp" />
-    <ClCompile Include="slang-free-list.cpp" />
-    <ClCompile Include="slang-io.cpp" />
-    <ClCompile Include="slang-string-util.cpp" />
-    <ClCompile Include="slang-string.cpp" />
-    <ClCompile Include="stream.cpp" />
-    <ClCompile Include="text-io.cpp" />
-    <ClCompile Include="token-reader.cpp" />
-  </ItemGroup>
-  <ItemGroup>
-    <Natvis Include="core.natvis" />
-  </ItemGroup>
-  <PropertyGroup Label="Globals" />
-  <PropertyGroup Label="Globals">
-  </PropertyGroup>
   <PropertyGroup Label="Globals">
-  </PropertyGroup>
-  <PropertyGroup Label="Globals">
-  </PropertyGroup>
-  <PropertyGroup Label="Globals">
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-    <RootNamespace>CoreLib</RootNamespace>
     <ProjectGuid>{F9BE7957-8399-899E-0C49-E714FDDD4B65}</ProjectGuid>
-    <WindowsTargetPlatformVersion>8.1</WindowsTargetPlatformVersion>
+    <IgnoreWarnCompileDuplicatedFilename>true</IgnoreWarnCompileDuplicatedFilename>
+    <Keyword>Win32Proj</Keyword>
+    <RootNamespace>core</RootNamespace>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v140</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v140</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v140</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v140</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v140</PlatformToolset>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v140</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v140</PlatformToolset>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v140</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
   </ImportGroup>
   <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\..\build\slang-build.props" />
   </ImportGroup>
-  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets">
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\..\build\slang-build.props" />
   </ImportGroup>
-  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\..\build\slang-build.props" />
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
-  <PropertyGroup />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <OutDir>..\..\bin\windows-x86\debug\</OutDir>
+    <IntDir>..\..\intermediate\windows-x86\debug\core\</IntDir>
+    <TargetName>core</TargetName>
+    <TargetExt>.lib</TargetExt>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <OutDir>..\..\bin\windows-x64\debug\</OutDir>
+    <IntDir>..\..\intermediate\windows-x64\debug\core\</IntDir>
+    <TargetName>core</TargetName>
+    <TargetExt>.lib</TargetExt>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <OutDir>..\..\bin\windows-x86\release\</OutDir>
+    <IntDir>..\..\intermediate\windows-x86\release\core\</IntDir>
+    <TargetName>core</TargetName>
+    <TargetExt>.lib</TargetExt>
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+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <OutDir>..\..\bin\windows-x64\release\</OutDir>
+    <IntDir>..\..\intermediate\windows-x64\release\core\</IntDir>
+    <TargetName>core</TargetName>
+    <TargetExt>.lib</TargetExt>
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   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
-      <PrecompiledHeader>
-      </PrecompiledHeader>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <DebugInformationFormat>EditAndContinue</DebugInformationFormat>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;WINDOWS_PLATFORM;%(PreprocessorDefinitions);GLEW_STATIC</PreprocessorDefinitions>
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     <Link>
       <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
     </Link>
     <Lib>
-      <AdditionalDependencies>Shlwapi.lib</AdditionalDependencies>
+      <TreatLibWarningAsErrors>true</TreatLibWarningAsErrors>
     </Lib>
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   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
-      <PrecompiledHeader>
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       <WarningLevel>Level4</WarningLevel>
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+      <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;WINDOWS_PLATFORM;%(PreprocessorDefinitions);GLEW_STATIC</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
-      <BrowseInformation>true</BrowseInformation>
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     <Link>
       <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
     </Link>
     <Lib>
-      <AdditionalDependencies>Shlwapi.lib</AdditionalDependencies>
+      <TreatLibWarningAsErrors>true</TreatLibWarningAsErrors>
     </Lib>
-    <Bscmake>
-      <PreserveSbr>true</PreserveSbr>
-    </Bscmake>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <WarningLevel>Level4</WarningLevel>
-      <PrecompiledHeader>
-      </PrecompiledHeader>
-      <Optimization>MaxSpeed</Optimization>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <Optimization>Full</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;WINDOWS_PLATFORM;%(PreprocessorDefinitions);GLEW_STATIC</PreprocessorDefinitions>
+      <MinimalRebuild>false</MinimalRebuild>
+      <StringPooling>true</StringPooling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
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-      <TreatWarningAsError>true</TreatWarningAsError>
     </ClCompile>
     <Link>
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       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
     </Link>
     <Lib>
-      <AdditionalDependencies>Shlwapi.lib</AdditionalDependencies>
+      <TreatLibWarningAsErrors>true</TreatLibWarningAsErrors>
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       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;WINDOWS_PLATFORM;%(PreprocessorDefinitions);GLEW_STATIC</PreprocessorDefinitions>
+      <MinimalRebuild>false</MinimalRebuild>
+      <StringPooling>true</StringPooling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
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-      <TreatWarningAsError>true</TreatWarningAsError>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
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       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
     </Link>
     <Lib>
-      <AdditionalDependencies>Shlwapi.lib</AdditionalDependencies>
+      <TreatLibWarningAsErrors>true</TreatLibWarningAsErrors>
     </Lib>
   </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClInclude Include="allocator.h" />
+    <ClInclude Include="array-view.h" />
+    <ClInclude Include="array.h" />
+    <ClInclude Include="basic.h" />
+    <ClInclude Include="common.h" />
+    <ClInclude Include="dictionary.h" />
+    <ClInclude Include="exception.h" />
+    <ClInclude Include="hash.h" />
+    <ClInclude Include="int-set.h" />
+    <ClInclude Include="list.h" />
+    <ClInclude Include="platform.h" />
+    <ClInclude Include="secure-crt.h" />
+    <ClInclude Include="slang-com-ptr.h" />
+    <ClInclude Include="slang-defines.h" />
+    <ClInclude Include="slang-free-list.h" />
+    <ClInclude Include="slang-io.h" />
+    <ClInclude Include="slang-math.h" />
+    <ClInclude Include="slang-result.h" />
+    <ClInclude Include="slang-string-util.h" />
+    <ClInclude Include="slang-string.h" />
+    <ClInclude Include="smart-pointer.h" />
+    <ClInclude Include="stream.h" />
+    <ClInclude Include="text-io.h" />
+    <ClInclude Include="token-reader.h" />
+    <ClInclude Include="type-traits.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="platform.cpp" />
+    <ClCompile Include="slang-free-list.cpp" />
+    <ClCompile Include="slang-io.cpp" />
+    <ClCompile Include="slang-string-util.cpp" />
+    <ClCompile Include="slang-string.cpp" />
+    <ClCompile Include="stream.cpp" />
+    <ClCompile Include="text-io.cpp" />
+    <ClCompile Include="token-reader.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="core.natvis" />
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
diff --git a/source/core/core.vcxproj.filters b/source/core/core.vcxproj.filters
new file mode 100644
index 000000000..39a164770
--- /dev/null
+++ b/source/core/core.vcxproj.filters
@@ -0,0 +1,119 @@
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+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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+    <ClInclude Include="array.h">
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+      <Filter>Header Files</Filter>
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+    <ClInclude Include="stream.h">
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+    <ClInclude Include="type-traits.h">
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\ No newline at end of file