Initial support for building under .NET Core.

Author: tritao

build/Helpers.lua

@@ -6,6 +6,7 @@ newoption {
    allowed = {
       { "x86",  "x86 32-bits" },
       { "x64",  "x64 64-bits" },
+      { "AnyCPU",  "Any CPU (.NET)" },
    }
 }
 
@@ -23,6 +24,10 @@ function is_64_bits_mono_runtime()
 end
 
 function target_architecture()
+  if _ACTION == "netcore" then
+    return "AnyCPU"
+  end
+
   -- Default to 32-bit on Windows and Mono architecture otherwise.
   if explicit_target_architecture ~= nil then
     return explicit_target_architecture
@@ -50,8 +55,14 @@ if _ARGS[1] then
     builddir = path.getabsolute("./" .. _ARGS[1]);
 end
 
-objsdir = path.join(builddir, "obj", "%{cfg.buildcfg}_%{cfg.platform}");
-libdir = path.join(builddir, "lib", "%{cfg.buildcfg}_%{cfg.platform}");
+if _ACTION ~= "netcore" then
+  objsdir = path.join(builddir, "obj", "%{cfg.buildcfg}_%{cfg.platform}");
+  libdir = path.join(builddir, "lib", "%{cfg.buildcfg}_%{cfg.platform}");
+else
+  objsdir = path.join(builddir, "obj", "%{cfg.buildcfg}");
+  libdir = path.join(builddir, "lib", "%{cfg.buildcfg}");
+end
+
 gendir = path.join(builddir, "gen");
 
 msvc_buildflags = { "/wd4267" }
@@ -121,11 +132,14 @@ function SetupManagedProject()
   dotnetframework "4.6"
 
   if not os.istarget("macosx") then
-    filter { "action:vs*" }
+    filter { "action:vs* or netcore" }
       location "."
     filter {}
   end
 
+  filter { "action:netcore" }
+    dotnetframework "netstandard2.0"
+
   filter { "action:vs2013" }
     dotnetframework "4.5"
 
@@ -196,4 +210,16 @@ function UseCxx11ABI()
     return true
   end
   return false
-end
+end
+
+function EnableNativeProjects()
+  if _ACTION == "netcore" then
+    return false
+  end
+
+  if string.starts(_ACTION, "vs") and not os.ishost("windows") then
+    return false
+  end
+
+  return true
+end

build/Tests.lua

@@ -55,8 +55,6 @@ function SetupTestGeneratorProject(name, depends)
     dependson { name .. ".Native" }
 
     linktable = {
-	  "System",
-      "System.Core",
       "CppSharp",
       "CppSharp.AST",
       "CppSharp.Generator",
@@ -71,6 +69,16 @@ function SetupTestGeneratorProject(name, depends)
     links(linktable)
 
     SetupParser()
+
+    filter { "action:netcore" }
+      dotnetframework "netcoreapp2.0"
+
+    filter { "action:not netcore" }
+      links
+      {
+        "System",
+        "System.Core"
+      }
 end
 
 local function get_mono_exe()
@@ -82,6 +90,9 @@ local function get_mono_exe()
 end
 
 function SetupTestGeneratorBuildEvent(name)
+  if _ACTION == "netcore" then
+    return
+  end
   local monoExe = get_mono_exe()
   local runtimeExe = os.ishost("windows") and "" or monoExe .. " --debug "
   if string.starts(action, "vs") then
@@ -94,7 +105,7 @@ function SetupTestGeneratorBuildEvent(name)
 end
 
 function SetupTestNativeProject(name, depends)
-  if string.starts(action, "vs") and not os.ishost("windows") then
+  if not EnableNativeProjects() then
     return
   end
 
@@ -114,17 +125,29 @@ function SetupTestNativeProject(name, depends)
 end
 
 function LinkNUnit()
-  libdirs
-  {
-    depsdir .. "/NUnit",
-    depsdir .. "/NSubstitute"
-  }
+  local c = filter()
+  
+  filter { "action:not netcore"}
+    libdirs
+    {
+      depsdir .. "/NUnit",
+      depsdir .. "/NSubstitute"
+    }
 
-  links
-  {
-    "nunit.framework",
-    "NSubstitute"
-  }
+    links
+    {
+      "nunit.framework",
+      "NSubstitute"
+    }
+
+  filter { "action:netcore"}
+    nuget
+    {
+      "NUnit:3.11.0",
+      "NSubstitute:4.0.0-rc1"
+    }
+
+  filter(c)
 end
 
 function SetupTestProjectsCSharp(name, depends, extraFiles, suffix)
@@ -170,7 +193,7 @@ function SetupTestProjectsCSharp(name, depends, extraFiles, suffix)
 end
 
 function SetupTestProjectsCLI(name, extraFiles, suffix)
-  if not os.ishost("windows") then
+  if (not os.ishost("windows")) or (_ACTION == "netcore") then
     return
   end
 

src/AST/premake5.lua

@@ -8,4 +8,5 @@ project "CppSharp.AST"
   files { "*.cs" }
   vpaths { ["*"] = "*" }
 
-  links { "System", "System.Core" }
+  filter { "action:not netcore"}
+    links { "System", "System.Core" }

src/CLI/premake5.lua

@@ -10,12 +10,20 @@ project "CppSharp.CLI"
 
   links
   {
-    "System",
-    "System.Core",
     "CppSharp",
     "CppSharp.AST",
     "CppSharp.Generator",
     "CppSharp.Parser"
   }
 
   SetupParser()
+
+  filter { "action:not netcore"}
+    links
+    {
+      "System",
+      "System.Core"
+    }
+
+  filter { "action:netcore" }
+    dotnetframework "netcoreapp2.0"

src/Core/premake5.lua

@@ -11,7 +11,11 @@ project "CppSharp"
 
   links
   {
-    "System",
-    "System.Core",
     depsdir .. "/vs2017/Microsoft.VisualStudio.Setup.Configuration.Interop"
   }
+
+  filter { "action:netcore" }
+    nuget { "Microsoft.Win32.Registry:4.5.0" }
+
+  filter { "action:not netcore"}
+    links { "System", "System.Core" }

src/CppParser/Bindings/premake5.lua

@@ -1,6 +1,6 @@
 include ("CSharp")
 
-if string.starts(action, "vs") and os.ishost("windows") then
+if EnableNativeProjects() and os.ishost("windows") then
 
 include ("CLI")
 

src/CppParser/ParserGen/premake5.lua

@@ -14,7 +14,9 @@ project "CppSharp.Parser.Gen"
     "CppSharp.AST",
     "CppSharp.Generator",
     "CppSharp.Parser",
-    "System.Core"
   }
 
-  SetupParser()
+  SetupParser()
+
+  filter { "action:not netcore"}
+    links { "System.Core" }

src/CppParser/premake5.lua

@@ -6,7 +6,7 @@ clang_msvc_flags =
   "/wd4141", -- 'inline' : used more than once
 }
 
-if not (string.starts(action, "vs") and not os.ishost("windows")) then
+if EnableNativeProjects() then
 
 project "CppSharp.CppParser"
 

src/Generator.Tests/premake5.lua

@@ -21,12 +21,25 @@ project "CppSharp.Generator.Tests"
 
   links
   {
-    "System",
-    "System.Core",
     "CppSharp",
     "CppSharp.AST",
     "CppSharp.Generator",
     "CppSharp.Parser",
-    "nunit.framework",
-    "NSubstitute"
   }
+
+  filter { "action:netcore"}
+    nuget
+    {
+      "NUnit:3.11.0",
+      "NSubstitute:4.0.0-rc1"
+    }
+
+  filter { "action:not netcore"}
+    links
+    {
+      "System",
+      "System.Core",
+      "Microsoft.CSharp",
+      "nunit.framework",
+      "NSubstitute"
+    }

src/Generator/premake5.lua

@@ -13,16 +13,28 @@ project "CppSharp.Generator"
 
   links
   {
-  	"System",
-  	"System.Core",
-  	"Microsoft.CSharp",
   	"CppSharp",
   	"CppSharp.AST",
   	"CppSharp.Parser"
   }
 
   SetupParser()
 
+  filter { "action:netcore"}
+    nuget
+    {
+      "System.CodeDom:4.5.0",
+      "Microsoft.CSharp:4.5.0"
+    }
+
+  filter { "action:not netcore"}
+    links
+    {
+      "System",
+      "System.Core",
+      "Microsoft.CSharp"
+    }
+
   filter { 'files:**verbs.txt' }
     buildaction "Embed"