added a protected module variable that contains the version number string.

Fixes #505

Author: jacobwilliams

pages/development-resources/release-checklist.md

@@ -53,8 +53,8 @@ remain accurate.
  1. Update the version string in remaining files requiring manual edits:
      1. Edit the `.VERSION` file
      1. Edit the CMake example on line 124 of `README.md`
-	 1. Add both files to the git index: `git add .VERSION
-     README.md`
+     1. Edit the `json_fortran_version` string in `json_module.F90`
+	 1. Add these files to the git index: `git add .VERSION README.md ./src/json_module.F90`
  1. Commit the changes to the master branch: `git commit`
  1. Create the tag: `git tag <new version>`
      1. Note: for some reason, using GitHub to tag a project means that the tag doesn't show up when you `git describe` the project. Tagging from the command line makes `git describe` work as expected.

src/json_module.F90

@@ -73,6 +73,12 @@ module json_module
 
     implicit none
 
+    character(kind=json_CK,len=*),parameter,protected :: json_fortran_version = '8.2.5'
+        !! JSON-Fortran version.
+        !!
+        !!@note This string should match the one in the `.VERSION` file (which is used
+        !! for the documentation generation.)
+
     public
 
     end module json_module

src/tests/jf_test_01.F90

@@ -57,6 +57,8 @@ subroutine test_1(error_cnt)
     write(error_unit,'(A)') '================================='
     write(error_unit,'(A)') ''
 
+    write(error_unit,'(A)') 'JSON-Fortran version: '//json_fortran_version
+
     ! parse the json file:
     write(error_unit,'(A)') ''
     write(error_unit,'(A)') 'parsing file '//dir//filename1