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-rwxr-xr-xcontrib/uninclude52
1 files changed, 52 insertions, 0 deletions
diff --git a/contrib/uninclude b/contrib/uninclude
new file mode 100755
index 000000000..8ba28e5cf
--- /dev/null
+++ b/contrib/uninclude
@@ -0,0 +1,52 @@
+#! /bin/sh
+
+# (C) 1998, 2007 Free Software Foundation
+# Originally by Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+# This gawk/shell script is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as published
+# by the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+
+# Given a preprocessed C/C++ code snippet, this script will replace any
+# standard header files with an actual #include <...> directive.
+
+# Example:
+# # 1 "test.c"
+# # 1 "/usr/include/stdio.h" 1 3
+# <snip>
+# # 1 "test.c" 2
+#
+# main() { printf("Hello world!\n"); }
+
+# is replaced with
+# # 1 "test.c"
+# #include <stdio.h>
+# main() { printf("Hello world!\n"); }
+
+
+# Header files whose pathnames contain any of the following patterns
+# are considered as standard headers: usr/include, g++-include,
+# include/g++, include/c++/<version>, gcc-lib/<anything>/include.
+
+gawk ${EXCLUDEPATT+-vexclude="$EXCLUDEPATT"} \
+ ${INCLUDEPATT+-vinclude="$INCLUDEPATT"} '
+BEGIN {
+ skipping = 0;
+ cppline = "^# [0-9]+ \"[^\"]*/(usr/include|g\\+\\+-include|include/g\\+\\+|include/c\\+\\+/[^/]+|gcc-lib/[^\"]+/include|gcc/include)/([^\"]+)\"( [1-4])*$"
+}
+!skipping && $0 ~ cppline &&
+(exclude == "" || $3 !~ exclude) && (include == "" || $3 ~ include) {
+ skipping = 1;
+ printf "%s\n", "#include <" gensub(cppline, "\\2", "", $0) ">"
+ next;
+}
+skipping && /^# [0-9]+ / && $3 == lastincluded {
+ skipping = 0;
+ next;
+}
+!skipping && /^# [0-9]+ / {
+ lastincluded = $3;
+}
+!skipping { print }
+' ${1+"$@"}