g-comlin.adb (Sort_Sections, [...]): New/Modified internal methods needed to handle switch sections when...

2008-08-05  Jerome Lambourg  <lambourg@adacore.com>

	* g-comlin.adb (Sort_Sections, Group_Switches): New/Modified internal
	methods needed to handle switch sections when building a command line.
	(Define_Section, Add_Switch, Remove_Switch, Is_New_Section,
	Current_Section): New public methods or methods modified to handle
	building command lines with sections.
	(Set_Command_Line): Take into account sections when analysing a switch
	string.
	(Start): Sort the switches by sections before iterating the command line
	elements.
	
	* g-comlin.ads (Define_Section, Add_Switch, Remove_Switch,
	Is_New_Section, Current_Section): New methods or methods modified to
	handle building command lines with sections.

From-SVN: r138670