added qse_awk_setopt()/qse_awk_getopt().

deleted qse_awk_getoption()/qse_awk_setoption()/qse_awk_setmaxdepth()/qse_awk_getmaxdepth().
redefined enumeration types related to the functions added or deleted above.
moved fnc_sleep from cmd/awk/awk.c to mod/awk/sys.c
managed to get external module call working in the primitive level

qse/samples/awk/awk03.c

@@ -45,7 +45,7 @@ int main ()
 
 	qse_awk_parsestd_t psin;
 
-	int ret, i;
+	int ret, i, opt;
 
 	/* create a main processor */
 	awk = qse_awk_openstd (0);
@@ -55,8 +55,10 @@ int main ()
 		ret = -1; goto oops;
 	}
 
+	qse_awk_getopt (awk, QSE_AWK_TRAIT, &opt);
 	/* don't allow BEGIN, END, pattern-action blocks */
-	qse_awk_setoption (awk, qse_awk_getoption(awk) & ~QSE_AWK_PABLOCK);
+	opt &= ~QSE_AWK_PABLOCK;
+	qse_awk_setopt (awk, QSE_AWK_TRAIT, &opt);
 
 	psin.type = QSE_AWK_PARSESTD_STR;
 	psin.u.str.ptr = src;

qse/samples/awk/awk04.c

@@ -49,14 +49,13 @@ int main ()
 		ret = -1; goto oops;
 	}
 
-	opt = qse_awk_getoption(awk);
-
+     qse_awk_getopt (awk, QSE_AWK_TRAIT, &opt);
 	/* don't allow BEGIN, END, pattern-action blocks */
 	opt &= ~QSE_AWK_PABLOCK;
 	/* enable ** */
 	opt |= QSE_AWK_EXTRAOPS;
+     qse_awk_setopt (awk, QSE_AWK_TRAIT, &opt);
 
-	qse_awk_setoption (awk, opt);
 
 	psin.type = QSE_AWK_PARSESTD_STR;
 	psin.u.str.ptr = src;

qse/samples/awk/awk07.cpp

@@ -136,8 +136,8 @@ static int awk_main (int argc, qse_char_t* argv[])
 	int ret = awk.open();
 
 	// allow returning a map from a function and enable 'reset'
-	awk.setOption (
-		awk.getOption() | 
+	awk.setTrait (
+		awk.getTrait() | 
 		QSE_AWK_MAPTOVAR |
 		QSE_AWK_RESET);
 

qse/samples/awk/awk08.cpp

@@ -356,7 +356,7 @@ static int awk_main_2 (MyAwk& awk, int argc, qse_char_t* argv[])
 	cmdline_t cmdline;
 	int n;
 
-	awk.setOption (awk.getOption() | QSE_AWK_INCLUDE | 
+	awk.setTrait (awk.getTrait() | QSE_AWK_INCLUDE | 
 		QSE_AWK_MAPTOVAR | QSE_AWK_RWPIPE | QSE_AWK_EXTRAOPS);
 
 	// ARGV[0]

qse/samples/awk/awk09.c

@@ -41,7 +41,7 @@ int main ()
 	qse_awk_rtx_t* rtx = QSE_NULL;
 	qse_awk_val_t* retv;
 	qse_awk_parsestd_t psin;
-	int ret = -1;
+	int ret = -1, opt;
 
 	const qse_char_t* output_files[] = 
 	{
@@ -63,7 +63,9 @@ int main ()
 		goto oops;
 	}
 
-	qse_awk_setoption (awk, qse_awk_getoption(awk) | QSE_AWK_NEXTOFILE);
+	qse_awk_getopt (awk, QSE_AWK_TRAIT, &opt);
+	opt |= QSE_AWK_NEXTOFILE;
+	qse_awk_setopt (awk, QSE_AWK_TRAIT, &opt);
 
 	psin.type = QSE_AWK_PARSESTD_STR;
 	psin.u.str.ptr = src;

qse/samples/awk/awk10.c

@@ -54,16 +54,14 @@ int main ()
 		ret = -1; goto oops;
 	}
 
-	opt = qse_awk_getoption(awk);
-
+	qse_awk_getopt (awk, QSE_AWK_TRAIT, &opt);
 	/* don't allow BEGIN, END, pattern-action blocks */
 	opt &= ~QSE_AWK_PABLOCK;
 	/* can assign a map to a variable */
 	opt |= QSE_AWK_MAPTOVAR;
 	/* enable ** */
 	opt |= QSE_AWK_EXTRAOPS;
-
-	qse_awk_setoption (awk, opt);
+	qse_awk_setopt (awk, QSE_AWK_TRAIT, &opt);
 
 	psin.type = QSE_AWK_PARSESTD_STR;
 	psin.u.str.ptr = src;

qse/samples/awk/awk11.c

@@ -79,8 +79,6 @@ int main ()
 		goto oops;
 	}
 
-	//qse_awk_setoption (awk, qse_awk_getoption(awk) | QSE_AWK_RWPIPE);
-
 	psin.type = QSE_AWK_PARSESTD_STR;
 	psin.u.str.ptr = src;
 	psin.u.str.len = qse_strlen(src);