# 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.

BEGIN {

    printf("/*\n")

    printf(" * THIS FILE WAS AUTOGENERATED BY make_exports.awk\n")

    printf(" *\n")

    printf(" * This is an ugly hack that needs to be here, so\n")

    printf(" * that libtool will link all of the APR functions\n")

    printf(" * into server regardless of whether the base server\n")

    printf(" * uses them.\n")

    printf(" */\n")

    printf("\n")

    for (i = 1; i < ARGC; i++) {

        file = ARGV[i]

        sub("([^/]*[/])*", "", file)

        printf("#include \"%s\"\n", file)

    }

    printf("\n")

    printf("const void *ap_ugly_hack = NULL;\n")

    printf("\n")

    TYPE_NORMAL = 0

    TYPE_HEADER = 1

    stackptr = 0

}

function push(line) {

    stack[stackptr] = line

    stackptr++

}

function do_output() {

    printf("/*\n")

    printf(" * %s\n", FILENAME)

    printf(" */\n")

    for (i = 0; i < stackptr; i++) {

        printf("%s\n", stack[i])

    }

    stackptr = 0

    printf("\n");

}

function enter_scope(type) {

    scope++

    scope_type[scope] = type

    scope_stack[scope] = stackptr

    delete scope_used[scope]

}

function leave_scope() {

    used = scope_used[scope]

    if (!used)

        stackptr = scope_stack[scope]

    scope--

    if (used) {

        scope_used[scope] = 1

        if (!scope)

            do_output()

    }

}

function add_symbol(symbol) {

    if (!index(symbol, "#")) {

        push("const void *ap_hack_" symbol " = (const void *)" symbol ";")

        scope_used[scope] = 1

    }

}

/^[ \t]*AP[RU]?_(CORE_)?DECLARE[^(]*[(][^)]*[)]([^ ]* )*[^(]+[(]/ {

    sub("[ \t]*AP[RU]?_(CORE_)?DECLARE[^(]*[(][^)]*[)][ \t]*", "")

    sub("[(].*", "")

    sub("([^ ]* (^([ \t]*[(])))+", "")

    add_symbol($0)

    next

}

/^[ \t]*AP_DECLARE_HOOK[^(]*[(][^)]*/ {

    split($0, args, ",")

    symbol = args[2]

    sub("^[ \t]+", "", symbol)

    sub("[ \t]+$", "", symbol)

    add_symbol("ap_hook_" symbol)

    add_symbol("ap_hook_get_" symbol)

    add_symbol("ap_run_" symbol)

    next

}

/^[ \t]*APR_POOL_DECLARE_ACCESSOR[^(]*[(][^)]*[)]/ {

    sub("[ \t]*APR_POOL_DECLARE_ACCESSOR[^(]*[(]", "", $0)

    sub("[)].*$", "", $0)

    add_symbol("apr_" $0 "_pool_get")

    next

}

/^[ \t]*APR_DECLARE_INHERIT_SET[^(]*[(][^)]*[)]/ {

    sub("[ \t]*APR_DECLARE_INHERIT_SET[^(]*[(]", "", $0)

    sub("[)].*$", "", $0)

    add_symbol("apr_" $0 "_inherit_set")

    next

}

/^[ \t]*APR_DECLARE_INHERIT_UNSET[^(]*[(][^)]*[)]/ {

    sub("[ \t]*APR_DECLARE_INHERIT_UNSET[^(]*[(]", "", $0)

    sub("[)].*$", "", $0)

    add_symbol("apr_" $0 "_inherit_unset")

    next

}

/^#[ \t]*if(ndef| !defined[(])([^_]*_)*H/ {

    enter_scope(TYPE_HEADER)

    next

}

/^#[ \t]*if([n]?def)? / {

    enter_scope(TYPE_NORMAL)

    push($0)

    next

}

/^#[ \t]*endif/ {

    if (scope_type[scope] == TYPE_NORMAL)

        push($0)

    leave_scope()

    next

}

/^#[ \t]*else/ {

    push($0)

    next

}

/^#[ \t]*elif/ {

    push($0)

    next

}