THRIFT-5824 Migrate, refactor and improve Delphi code generation test…

… script

Client: Delphi
Patch: Jens Geyer

.gitignore

@@ -211,7 +211,6 @@ project.lock.json
 /lib/delphi/**/*.local
 /lib/delphi/**/*.dcu
 /lib/delphi/**/*.2007
-/lib/delphi/**/codegen/*.bat
 /lib/erl/.eunit
 /lib/erl/.generated
 /lib/erl/.rebar/

lib/delphi/test/codegen/README.md

@@ -1,28 +1,15 @@
-How to use the test case:
+Prerequisites
 ----------------------------------------------
-- copy and the template batch file
-- open the batch file and adjust configuration as necessary
-- run the batch
-
+- a suitable dcc32.exe must be reachable via normal search path
+- the Thrift compiler thrift.exe is searched in this order
+  - under the `compiler` subdir, where debug is preferred over release
+  - otherwise via normal search path
 
-Configuration:
+How to use the test case:
 ----------------------------------------------
-SVNWORKDIR
-should point to the Thrift working copy root
-
-MY_THRIFT_FILES
-can be set to point to a folder with more thrift IDL files.
-If you don't have any such files, just leave the setting blank.
+- run the POSH script
+- if any error messages occur, that's a bad sign
+- there may be known but unfixed issues, these are listed accordingly
 
-BIN
-Local MSYS binary folder. Your THRIFT.EXE is installed here.
 
-MINGW_BIN
-Local MinGW bin folder. Contains DLL files required by THRIFT.EXE
-
-DCC
-Identifies the Delphi Command Line compiler (dcc32.exe)
-To be configuired only, if the default is not suitable.
-
-----------------------------------------------
-*EOF*
+*EOF*