adding new ceedling test project

test/vendor/ceedling/plugins/warnings_report/lib/warnings_report.rb

@@ -0,0 +1,69 @@
+require 'ceedling/plugin'
+require 'ceedling/constants'
+
+class WarningsReport < Plugin
+  def setup
+    @stderr_redirect = nil
+    @log_paths = {}
+  end
+
+  def pre_compile_execute(arg_hash)
+    # at beginning of compile, override tool's stderr_redirect so we can parse $stderr + $stdout
+    set_stderr_redirect(arg_hash)
+  end
+
+  def post_compile_execute(arg_hash)
+    # after compilation, grab output for parsing/logging, restore stderr_redirect, log warning if it exists
+    output = arg_hash[:shell_result][:output]
+    restore_stderr_redirect(arg_hash)
+    write_warning_log(arg_hash[:context], output)
+  end
+
+  def pre_link_execute(arg_hash)
+    # at beginning of link, override tool's stderr_redirect so we can parse $stderr + $stdout
+    set_stderr_redirect(arg_hash)
+  end
+
+  def post_link_execute(arg_hash)
+    # after linking, grab output for parsing/logging, restore stderr_redirect, log warning if it exists
+    output = arg_hash[:shell_result][:output]
+    restore_stderr_redirect(arg_hash)
+    write_warning_log(arg_hash[:context], output)
+  end
+
+  private
+
+  def set_stderr_redirect(hash)
+    @stderr_redirect = hash[:tool][:stderr_redirect]
+    hash[:tool][:stderr_redirect] = StdErrRedirect::AUTO
+  end
+
+  def restore_stderr_redirect(hash)
+    hash[:tool][:stderr_redirect] = @stderr_redirect
+  end
+
+  def write_warning_log(context, output)
+    # if $stderr/$stdout contain "warning", log it
+    if output =~ /warning/i
+      # generate a log path & file io write flags
+      logging = generate_log_path(context)
+      @ceedling[:file_wrapper].write(logging[:path], output + "\n", logging[:flags]) unless logging.nil?
+    end
+  end
+
+  def generate_log_path(context)
+    # if path has already been generated, return it & 'append' file io flags (append to log)
+    return { path: @log_paths[context], flags: 'a' } unless @log_paths[context].nil?
+
+    # first time through, generate path & 'write' file io flags (create new log)
+    base_path = File.join(PROJECT_BUILD_ARTIFACTS_ROOT, context.to_s)
+    file_path = File.join(base_path, 'warnings.log')
+
+    if @ceedling[:file_wrapper].exist?(base_path)
+      @log_paths[context] = file_path
+      return { path: file_path, flags: 'w' }
+    end
+
+    nil
+  end
+end