Merge Ada support from the GNU Ada Source Forge project

<http://sourceforge.net/p/gnuada/> see tools/ctags

.gitignore

@@ -0,0 +1 @@
+*.o

parsers.h

@@ -16,6 +16,7 @@
 
 /* Add the name of any new parser definition function here */
 #define PARSER_LIST \
+	AdaParser, \
 	AntParser, \
 	AsmParser, \
 	AspParser, \

source.mak

@@ -9,6 +9,7 @@ HEADERS = \
 
 SOURCES = \
 	args.c \
+	ada.c \
 	ant.c \
 	asm.c \
 	asp.c \
@@ -72,6 +73,7 @@ REGEX_HEADERS = gnu_regex/regex.h
 
 OBJECTS = \
 	args.$(OBJEXT) \
+	ada.$(OBJEXT) \
 	ant.$(OBJEXT) \
 	asm.$(OBJEXT) \
 	asp.$(OBJEXT) \