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
|
#!/usr/bin/perl -w
# Copyright 2009 Apple Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# Helper script to add includes to source files.
use strict;
my $headerPattern = '[\"<][A-Za-z][A-Za-z0-9_/]+(\.h)?[\">]'; # " Make Xcode formatter happy.
my $headerToAdd = shift @ARGV or die;
$headerToAdd =~ /^([A-Za-z][A-Za-z0-9]+)\.h$/ or die "Header to add must be a .h file: $headerToAdd.\n";
sub includesParagraph;
FILE: for my $filename (@ARGV) {
unless ($filename =~ /(\w+)\.cpp$/) { print STDERR "Command line args must be .cpp files: $filename.\n"; next FILE; }
my $base = $1;
my $sawConfig = 0;
my $sawSelfInclude = 0;
my $pastIncludes = 0;
my %includes;
my $beforeIncludes = "";
my $afterIncludes = "";
my $currentCondition = "";
my $entireFileCondition = "";
unless (open INPUT, "<", $filename) { print STDERR "File does not exist: $filename\n"; next FILE; }
while (my $line = <INPUT>) {
if ($line =~ /^\s*#(include|import)\s*($headerPattern)\s*\n/) {
my $include = $2;
if ($pastIncludes) { print STDERR "Saw more includes after include section in $filename, line $.\n"; next FILE; }
if ($include eq "\"config.h\"") {
$sawConfig = 1;
} else {
unless ($sawConfig) { print STDERR "First include must be config.h in $filename, line $.\n"; next FILE; }
if ($include eq "\"$base.h\"") {
$sawSelfInclude = 1;
} else {
unless ($sawSelfInclude) { print STDERR "Second include must be $base.h in $filename, line $.\n"; next FILE; }
$includes{$currentCondition}{$include} = 1;
}
}
} else {
if ($sawConfig && !$pastIncludes) {
if ($line =~ /^\s*#\s*if\s+(.+?)\s*$/) {
my $condition = $1;
if (!$sawSelfInclude) {
$entireFileCondition = $1;
next;
}
unless ($currentCondition eq "") { print STDERR "Nested #if in include section in $filename, line $.\n"; next FILE; }
$currentCondition = $condition;
next;
}
if ($line =~ /^\s*#\s*endif\s*$/) {
unless ($currentCondition ne "") { print STDERR "Extra #endif in include section in $filename, line $.\n"; next FILE; }
$currentCondition = "";
next;
}
}
if (!$sawConfig) {
$beforeIncludes .= $line;
} else {
$pastIncludes = 1 if $line !~ /^\s*$/;
if ($pastIncludes) {
unless ($currentCondition eq "") { print STDERR "Unterminated #if in include section in $filename, line $.\n"; next FILE; }
$afterIncludes .= $line;
}
}
}
}
close INPUT or die;
$includes{""}{"\"$headerToAdd\""} = 1;
$beforeIncludes =~ s/\n+$//;
$afterIncludes =~ s/^\n+//;
my $contents = $beforeIncludes;
$contents .= "\n\n#include \"config.h\"\n";
$contents .= "\n#if $entireFileCondition\n" if $entireFileCondition ne "";
$contents .= "#include \"$base.h\"\n\n";
for my $condition (sort keys %includes) {
$contents .= "#if $condition\n" unless $condition eq "";
$contents .= includesParagraph($includes{$condition});
$contents .= "#endif\n" unless $condition eq "";
$contents .= "\n";
}
$contents .= $afterIncludes;
unless (open OUTPUT, ">", $filename) { print STDERR "Could not open file for writing: $filename\n"; next FILE; };
print OUTPUT $contents;
close OUTPUT or die;
}
sub includesParagraph()
{
my ($includes) = @_;
my $paragraph = "";
for my $include (sort keys %{$includes}) {
$paragraph .= "#include $include\n";
}
return $paragraph;
}
|
