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
|
// SPDX-License-Identifier: MIT
// SPDX-FileCopyrightText: 2007 Jan Engelhardt
#include <algorithm>
#include <cerrno>
#include <cstdio>
#include <cstring>
#include <fstream>
#include <memory>
#include <libHX/string.h>
struct del {
void operator()(FILE *x) const { fclose(x); }
};
static void do_file(const char *filename)
{
std::ifstream strm;
strm.open(filename);
if (!strm.is_open()) {
fprintf(stderr, "Cannot read %s: %s\n", filename, strerror(errno));
return;
}
printf(" # () [] {}\n");
std::string line;
ssize_t p1 = 0, p2 = 0, p3 = 0;
size_t lnum = 0;
do {
getline(strm, line);
HX_chomp(line.data());
if (strm.rdstate() & (std::ios_base::eofbit |
std::ios_base::failbit | std::ios_base::badbit))
break;
p1 += std::count(&line[0], &line[line.size()], '(');
p1 -= std::count(&line[0], &line[line.size()], ')');
p2 += std::count(&line[0], &line[line.size()], '[');
p2 -= std::count(&line[0], &line[line.size()], ']');
p3 += std::count(&line[0], &line[line.size()], '{');
p3 -= std::count(&line[0], &line[line.size()], '}');
printf("%3zu %2zd %2zd %2zd %s\n", ++lnum, p1, p2, p3, line.c_str());
} while (true);
printf("\n");
}
int main(int argc, const char **argv)
{
while (*++argv != nullptr)
do_file(*argv);
return EXIT_SUCCESS;
}
|
