--- /dev/null
+#!/bin/gawk
+#
+# This is auto-extract filter for specified function(s) for CSP classes.
+# 2018-10-17 K.Ohta.<whatisthis.sowhat@gmail.com>
+# License: GPLv2.
+BEGIN {
+ __N_BEGIN=0;
+ __STACK=0;
+}
+
+# Set function name as regexp.
+/^bool.*::process_state.*$/ {
+ print $0;
+ __N_BEGIN=1;
+ __STACK=0;
+}
+
+# Set function name as regexp.
+/^bool.*::decl_state.*$/ {
+ print $0;
+ __N_BEGIN=1;
+ __STACK=0;
+}
+
+/^{.*$/ {
+ if(__N_BEGIN != 0) {
+ __STACK=1;#print $0;
+ }
+}
+/^}.*$/ {
+ if(__STACK != 0) print $0;
+ __STACK=0;
+ __N_BEGIN=0;
+}
+
+/^.*$/ {
+ if(__STACK != 0) print $0;
+}