#!/bin/sh

#
# This script creates states.c from data/defstates file
#

#Get settings
#. ../../../../etc/aubitrc
. ../../../etc/aubitrc

$AWK '
BEGIN {
	cnt=1;
	print "#ifdef NOLONGERREQUIRED"
}

/^#/ {next}

/^[a-z_]*:/ {
	split($0,arr,":")
	state[arr[1]]="Yes"
	states[arr[1]]=0
	cstate=arr[1]
	next
}

{
	for (a=1;a<=NF;a++) {
		cond[cstate,states[cstate]++]=$a

		cons[cnt++]=$a
	}
}

END {

	print "/* "
	print " * Created with procstates shell script from data/defstates - do not edit "
	print " */"
	print ""
	print "#ifdef OLD_INCL"
		print "#include \"kw.h\""
		print "#include \"string.h\""
		print "#include \"a4gl_debug.h\""
		print "#include \"a4gl_4glc_4glc.h\""
	print "#else"
		print "#include \"a4gl_4glc_int.h\""
	print "#endif"
	print ""
#	print "static char *names[]={"
#		for (a in state) { print "   \"" a "\"," }
#	print "0};"
	print " "
	print "int statecnt[]={"
		for (a in state) { 
			print "   0 /* " a " */ ," 
		}
	print "0};"
	print " "
	print "void"
	print "init_states(void) {"
	for (a=1;a<cnt;a++) {
		print "    turn_state(" cons[a] ",0);"
	}
	print "}"

	print ""
	print "void"
	print "start_state(char *s,int on_off) {"
	cnt=0
	for (a in state) {
		print "   if (strcmp(\"" a "\",s)==0) { /* " states[a] " */"
		print "      if (on_off==1) statecnt[" cnt "]++;"
		print "      else           statecnt[" cnt "]--;"
		print " "
		print "      A4GL_debug(\"Start state %s %d\\n\",s,on_off);"
		#print "      if (statecnt[" cnt "]>0&&on_off==0) return;"
		print " "
		for (b=0;b<states[a];b++) {
			print "      turn_state(" cond[a,b] ",on_off);"
		}

		print "   }"
		print ""
	cnt++
	}
	print "}"
	print "#endif"
	print "/* ============================= EOF ============================= */"
	print ""
}' data/defstates > generated/states.c