tools,gyp: introduce MSVS 2019

Backport-PR-URL: #28005
PR-URL: #27375
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

tools/gyp/pylib/gyp/MSVSVersion.py

@@ -257,6 +257,16 @@ def _CreateVersion(name, path, sdk_based=False):
   if path:
     path = os.path.normpath(path)
   versions = {
+      '2019': VisualStudioVersion('2019',
+                                  'Visual Studio 2019',
+                                  solution_version='12.00',
+                                  project_version='16.0',
+                                  flat_sln=False,
+                                  uses_vcxproj=True,
+                                  path=path,
+                                  sdk_based=sdk_based,
+                                  default_toolset='v142',
+                                  compatible_sdks=['v8.1', 'v10.0']),
       '2017': VisualStudioVersion('2017',
                                   'Visual Studio 2017',
                                   solution_version='12.00',
@@ -387,6 +397,7 @@ def _DetectVisualStudioVersions(versions_to_check, force_express):
       2013(e) - Visual Studio 2013 (12)
       2015    - Visual Studio 2015 (14)
       2017    - Visual Studio 2017 (15)
+      2019    - Visual Studio 2019 (16)
     Where (e) is e for express editions of MSVS and blank otherwise.
   """
   version_to_year = {
@@ -396,7 +407,8 @@ def _DetectVisualStudioVersions(versions_to_check, force_express):
       '11.0': '2012',
       '12.0': '2013',
       '14.0': '2015',
-      '15.0': '2017'
+      '15.0': '2017',
+      '16.0': '2019',
   }
   versions = []
   for version in versions_to_check: