- add ceedling/cmock/unity as testing framework and support

- unified makefile project for the whole repos
- new separate project for tests

tests/vendor/ceedling/lib/preprocessinator_includes_handler.rb

@@ -0,0 +1,55 @@
+
+
+class PreprocessinatorIncludesHandler
+  
+  constructor :configurator, :tool_executor, :task_invoker, :file_path_utils, :yaml_wrapper, :file_wrapper
+
+  # shallow includes: only those headers a source file explicitly includes
+
+  def invoke_shallow_includes_list(filepath)
+    @task_invoker.invoke_test_shallow_include_lists( [@file_path_utils.form_preprocessed_includes_list_filepath(filepath)] )
+  end
+
+  # ask the preprocessor for a make-style dependency rule of only the headers the source file immediately includes
+  def form_shallow_dependencies_rule(filepath)
+    # change filename (prefix of '_') to prevent preprocessor from finding include files in temp directory containing file it's scanning
+    temp_filepath = @file_path_utils.form_temp_path(filepath, '_')
+    
+    # read the file and replace all include statements with a decorated version
+    # (decorating the names creates file names that don't exist, thus preventing the preprocessor 
+    #  from snaking out and discovering the entire include path that winds through the code)
+    contents = @file_wrapper.read(filepath)
+    contents.gsub!( /#include\s+\"\s*(\S+)\s*\"/, "#include \"\\1\"\n#include \"@@@@\\1\"" )
+    @file_wrapper.write( temp_filepath, contents )
+    
+    # extract the make-style dependency rule telling the preprocessor to 
+    #  ignore the fact that it can't find the included files
+    command = @tool_executor.build_command_line(@configurator.tools_test_includes_preprocessor, temp_filepath)
+    shell_result = @tool_executor.exec(command[:line], command[:options])
+    
+    return shell_result[:output]
+  end
+  
+  # headers only; ignore any crazy .c includes
+  def extract_shallow_includes(make_rule)
+    list = []
+    header_extension = @configurator.extension_header
+
+    headers = make_rule.scan(/(\S+#{'\\'+header_extension})/).flatten # escape slashes before dot file extension
+    headers.uniq!
+    headers.map! { |header| header.sub(/(@@@@)|(.+\/)/, '') }
+    headers.sort!
+    
+    headers.each_with_index do |header, index|
+      break if (headers.size == (index-1))
+      list << header if (header == headers[index + 1])
+    end
+
+    return list
+  end
+  
+  def write_shallow_includes_list(filepath, list)
+    @yaml_wrapper.dump(filepath, list)
+  end
+
+end