summaryrefslogtreecommitdiffstats
path: root/build/make_exports.awk
blob: 0cf75f02c22ac707a7a6d8db2c13e528da42bc4c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
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")
    printf("#define CORE_PRIVATE\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]*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
}