-
Notifications
You must be signed in to change notification settings - Fork 2
/
cllPreProcessor.php
147 lines (115 loc) · 3.34 KB
/
cllPreProcessor.php
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
137
138
139
140
141
142
143
144
145
146
147
<?php
$cllpp = new cllPreProcessor($argv);
class cllPreProcessor {
var $outfile = "/tmp/compile.cll";
var $skipmultiequal = false;
function cllPreProcessor($argv) {
$file = file_get_contents($argv[1]);
foreach ($argv as $key => $parameter) {
if ($key > 1) {
switch ($parameter) {
case "skipmultiequal":
$this->skipmultiequal = true;
break;
default:
}
}
}
$file = $this->processDefines($file);
$result = "";
$lines = preg_split("/\n/", $file);
$finding_block = false;
foreach ($lines as $l) {
$trimmer = trim($l);
// Strip blanks
if (!strlen($trimmer)) {
continue;
}
// Process comments.
if ($finding_block) {
// We're finding a block. So, let's see if we found the end.
if (preg_match("|\*/|", $trimmer)) {
// That's the end.
// Keep the rest.
$l = preg_replace("|^.*?\*/(.*)$|", "$1", $l);
// And we're not looking for a block anymore.
$finding_block = false;
} else {
// Nope, just dump these lines.
continue;
}
}
// Single line comments.
if (preg_match("/\/\//", $trimmer)) {
// If this is at the beginning of the line, ignore the line.
if (preg_match("/^\/\//", $trimmer)) {
continue;
} else {
// There's other stuff on the line, so let's keep that.
$l = trim(preg_replace("/^(.+?)\/\/.+$/", "$1", $trimmer));
}
}
// Block comments.
if (preg_match("|/\*|", $trimmer)) {
// Ok, so we found a comment.
if (preg_match("|\*/|", $trimmer)) {
// That's an inline comment.
$l = preg_replace("|^(.*)/\*.*\*/(.*)$|", "$1$2", $l);
} else {
// That's a block comment.
// Keep everyting before the opening.
$l = preg_replace("|^(.*)/\*|", "$1", $l);
// Note that we're looking for more blocks.
$finding_block = true;
}
}
if (!$this->skipmultiequal) {
// Stop at multi-equal
if (preg_match("/^\=\=\=/", $trimmer)) {
break;
}
}
$retrim = trim($l);
if (strlen($retrim)) {
$result .= $l."\n";
}
}
file_put_contents($this->outfile, $result);
}
function processDefines($file) {
$defines = array();
$result = "";
$lines = preg_split("/\n/", $file);
$linenumber = 0;
foreach ($lines as $l) {
$linenumber++;
$trimmer = trim($l);
// Collect each define
if (preg_match("/^\#define/", $trimmer)) {
// Great, it's a define. Now let's make sure it has all it's parts.
if (preg_match("/^\#define\s+[^\s]+\s[^\s]+$/",$trimmer)) {
// Great that has all it's parts.
$variable_name = preg_replace("/^\#define\s+([^\s]+)\s+[^\s]+$/", "$1", $trimmer);
$variable_value = preg_replace("/^\#define\s+[^\s]+\s+([^\s]+)$/", "$1", $trimmer);
if (!preg_match("/^[A-Z_]+$/", $variable_name)) {
echo "WARNING: Your define of '".$variable_name."' isn't all uppercase or underscores. Which is OK, but, I don't recommend it.\n";
}
$defines[$variable_name] = $variable_value;
} else {
echo "In line number ".$linenumber." with the define statement of '".$trimmer."' I can't parse it properly. Sorry\n";
die();
}
} else {
$result .= $l."\n";
}
}
// Now, go and replace the result.
foreach ($defines as $def => $val) {
$result = preg_replace("/".$def."/", $val, $result);
}
// print_r($defines);
// echo $result."\n\n";
return $result;
}
}
?>