| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| # |
| # Based on apr's make_export.awk, which is |
| # based on Ryan Bloom's make_export.pl |
| |
| /^#[ \t]*if(def)? (AP[RU]?_|!?defined).*/ { |
| if (old_filename != FILENAME) { |
| if (old_filename != "") printf("%s", line) |
| macro_no = 0 |
| found = 0 |
| count = 0 |
| old_filename = FILENAME |
| line = "" |
| } |
| macro_stack[macro_no++] = macro |
| macro = substr($0, length($1)+2) |
| count++ |
| line = line "#ifdef " macro "\n" |
| next |
| } |
| |
| /^#[ \t]*endif/ { |
| if (count > 0) { |
| count-- |
| line = line "#endif /* " macro " */\n" |
| macro = macro_stack[--macro_no] |
| } |
| if (count == 0) { |
| if (found != 0) { |
| printf("%s", line) |
| } |
| line = "" |
| } |
| next |
| } |
| |
| function add_symbol (sym_name) { |
| if (count) { |
| found++ |
| } |
| for (i = 0; i < count; i++) { |
| line = line "\t" |
| } |
| line = line sym_name "\n" |
| |
| if (count == 0) { |
| printf("%s", line) |
| line = "" |
| } |
| } |
| |
| /^[ \t]*(extern[ \t]+)?AP[RU]?_DECLARE_DATA .*;$/ { |
| varname = $NF; |
| gsub( /[*;]/, "", varname); |
| gsub( /\[.*\]/, "", varname); |
| add_symbol(varname); |
| } |
| |
| END { |
| printf("%s", line) |
| } |