ci: add appveyor for windows test

Signed-off-by: Eduardo Silva <[email protected]>

appveyor.yml

@@ -0,0 +1,34 @@
+version: v1-winbuild-{build}
+
+image: Visual Studio 2019
+
+platform:
+  - Win32
+  - x64
+
+environment:
+  vspath: 'C:\Program Files (x86)\Microsoft Visual Studio\2019\Community'
+  winflexbison: https://github.com/lexxmark/winflexbison/releases/download/v2.5.22/win_flex_bison-2.5.22.zip
+  PATH: '%PATH%;C:\WinFlexBison'
+
+configuration:
+  - Release
+
+skip_commits:
+  message: /workflows/
+  files:
+    - '.github/**'
+
+install:
+  - ps: Invoke-WebRequest -O winflexbison.zip $env:winflexbison
+  - ps: Expand-Archive winflexbison.zip -Destination /WinFlexBison
+  - ps: Copy-Item -Path /WinFlexBison/win_bison.exe /WinFlexBison/bison.exe
+  - ps: Copy-Item -Path /WinFlexBison/win_flex.exe /WinFlexBison/flex.exe
+
+before_build:
+  - if %PLATFORM%==Win32 call "%vspath%\VC\Auxiliary\Build\vcvars32.bat"
+  - if %PLATFORM%==x64   call "%vspatH%\VC\Auxiliary\Build\vcvars64.bat"
+
+build_script:
+  - .\scripts\win_build.bat
+  - ctest -C Debug --test-dir .\tests\