forked from datacom-teracom/pmccabe
-
Notifications
You must be signed in to change notification settings - Fork 0
/
codechanges
executable file
·241 lines (217 loc) · 4.83 KB
/
codechanges
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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
#!/bin/sh -f
# $Header: /gjd/tools/pmccabe/codechanges 1.12 2001/10/25 23:51:46 bame Exp $
# Find a "good", e.g., "new" (circa 1988?), awk
goodawk()
{
for AWK in gawk nawk awk
do
$AWK -v foo=bar 'function f() { print 1 }' >/dev/null 2>&1 && return
done
echo "I can't find a new enough 'awk' (tried gawk, nawk and awk) in" >&2
echo "your \$PATH to run this program -- sorry." >&2
exit 5
}
FIND()
{
(
cd $1 &&
find . -type f -a \
\( \
-name *.[cC] \
-o -name *.[hH] \
-o -name *.*sh \
-o -name *.mak \
-o -name *akefile \
-o -name *.cpp \
-o -name *.cxx \
-o -name *.C \
-o -name *.cc \
-o -name *.hh \
\) -print | sort
)
}
parsediff()
{
$AWK -v dir1="$1" -v dir2="$2" '
# Skip noise lines
BEGIN {
printf("%s\t%s\t%s\tOld File, New File\n", "NEW", "DELETED", "CHANGED");
}
(/^>/) { next }
(/^</) { next }
($1 == "---") { next }
function wc(fname, nlines) {
nlines = 0;
while (getline < fname > 0)
{
nlines++
}
return nlines
}
($1 == "Add") {
#print "DEBUG: adding", lines, "lines from", fname
eof()
file1 = "NEWFILE"
file2 = $2
addtotal += $3;
eof()
next
}
($1 == "Delete") {
#print "DEBUG: deleting", lines, "lines from", fname
eof()
file2 = "DELETED"
file1 = $2
deltotal += $3;
eof()
next
}
function eof() {
if (file1 != "" && (addtotal > 0 || deltotal > 0 || chgtotal > 0))
{
printf("%d\t%d\t%d\t%s %s\n",
addtotal, deltotal, chgtotal, file1, file2);
taddtotal += addtotal;
tdeltotal += deltotal;
tchgtotal += chgtotal;
}
file1 = ""
addtotal = 0;
deltotal = 0;
chgtotal = 0;
}
($1 == "diff") {
#print "DEBUG: ", $0
eof();
file1 = $(NF - 1)
file2 = $(NF)
next
}
(/c/) {
n=split($0,tmparray,"c");
# do left side of c and then right
leftchg = parse(tmparray[1]) + 0;
rightchg = parse(tmparray[n])+ 0;
if(leftchg == rightchg) {
change = leftchg;
}
# assume that smaller side is change and the difference is add or delete
else if(leftchg > rightchg) {
#print "DEBUG=", leftchg, rightchg
change = rightchg ;
deltotal += (leftchg - rightchg)
#print "deleted via change " leftchg - rightchg
}
else if(leftchg < rightchg) {
change = leftchg
addtotal += (rightchg-leftchg)
#print "DEBUG<", leftchg, rightchg
#print "added via change " rightchg - leftchg
};
# print "change ", change, "left changed ", \
#leftchg , "right changed ", rightchg, "INPUT= ", m, $0;
chgtotal += change;
next
}
# parse if comma separated or return value if no comma
function parse(str, localval, localarray,localcount) {
localcount=split(str, localarray, ",")
if(localcount == 1)
localval = 1;
else
localval = (localarray[localcount]+0 - \
localarray[localcount-1] +1)
#print "DEBUG return value", localval, str
return(localval);
}
(/d/) {
n=split($0,tmparray,"d");
#uses line range before the d
deleted = parse(tmparray[1]);
deltotal += deleted;
#print "deleted " deleted, "DEBUG", $0;
next
}
(/a/) {
# print "DEBUG:", file1, file2, $0
n=split($0,tmparray,"a");
# uses line range after the a
added = parse(tmparray[n]);
addtotal += added;
#print "added ", added , "DEBUG", m, $0;
next
}
{ print "?????????", $0 }
END {
eof();
printf("%d\t%d\t%d\tTOTAL\n",
taddtotal, tdeltotal, tchgtotal);
}
'
}
# Need to pick up 'decomment'
PATH=$PATH:$(dirname $0)
goodawk
if [ X$1 = X-n ]
then
DECOMMENT=cat
shift 1
else
DECOMMENT=decomment
fi
if [ $# != 2 ]
then
cat >&2 <<!!!
\$Header: /gjd/tools/pmccabe/codechanges 1.12 2001/10/25 23:51:46 bame Exp $
Usage: $0 [-n] old-directory new-directory
$0 [-n] old-file new-file
-n don't bother to de-comment the files first
BUG: doesn't handle re-named files/directories
!!!
exit 2
fi
TMPDIR=$(mktemp -d)
#TMPDIR=/tmp/ddiff
mkdir -p $TMPDIR
if [ -f $1 -o -f $2 ]
then
{
echo "diff $1 $2"
$DECOMMENT $1 > $TMPDIR/A
$DECOMMENT $2 > $TMPDIR/B
$DECOMMENT $dir2/$fname | diff -bw -- $TMPDIR/A $TMPDIR/B
} | parsediff
rm -fr $TMPDIR
exit
fi
dir1=$1
dir2=$2
printf '%s' "$dir1 ..." >&2
FIND $dir1 > $TMPDIR/A
printf '\n%s' "$dir2 ..." >&2
FIND $dir2 > $TMPDIR/B
echo >&2
comm $TMPDIR/A $TMPDIR/B |
while IFS="" read f
do
set -- $f
fname=$1
case $f in
" "*)
echo "diff $dir1/$fname $dir2/$fname"
$DECOMMENT $dir1/$fname > $TMPDIR/C
$DECOMMENT $dir2/$fname | diff -bw -- $TMPDIR/C -
;;
" "*)
lines=$($DECOMMENT $dir2/$fname | wc -l)
echo "Add $dir2/$fname $lines"
;;
*)
lines=$($DECOMMENT $dir1/$fname | wc -l)
echo "Delete $dir1/$fname $lines"
;;
esac
done |
tee $TMPDIR/D |
parsediff $dir1 $dir2
rm -fr $TMPDIR