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test_split_into_argv: add a -tabulate mode.

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I've finally got round to updating this system for the fixed
(post-VS7) command-line splitting. That means I need to regenerate the
table in the big comment. So here's an automated method of doing it
that doesn't require me to read off the output of -generate in an
error-prone manual way.
This commit is contained in:
Simon Tatham 2021-04-18 12:10:04 +01:00
parent 397d75648d
commit d028fd1779
1 changed files with 77 additions and 0 deletions
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77
windows/utils/split_into_argv.c
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@ -424,6 +424,83 @@ int main(int argc, char **argv)
return 0;
}
if (!strcmp(argv[1], "-tabulate")) {
char table[] = "\
* backslashes \n\
* \n\
* 0 1 2 3 4 \n\
* \n\
* 0 | \n\
* --------+----------------------------- \n\
* 1 | \n\
* q 2 | \n\
* u 3 | \n\
* o 4 | \n\
* t 5 | \n\
* e 6 | \n\
* s 7 | \n\
* 8 | \n\
";
char *linestarts[14];
char *p = table;
for (i = 0; i < lenof(linestarts); i++) {
linestarts[i] = p;
p += strcspn(p, "\n");
if (*p) p++;
}
for (i = 0; i < lenof(argv_tests); i++) {
const struct argv_test *test = &argv_tests[i];
const char *q = test->cmdline;
/* Skip tests that aren't telling us something about
* the behaviour _inside_ a quoted string */
if (*q != '"')
continue;
q++;
assert(*q == 'a');
q++;
int backslashes_in = 0, quotes_in = 0;
while (*q == '\\') {
q++;
backslashes_in++;
}
while (*q == '"') {
q++;
quotes_in++;
}
q = test->argv[0];
assert(*q == 'a');
q++;
int backslashes_out = 0, quotes_out = 0;
while (*q == '\\') {
q++;
backslashes_out++;
}
while (*q == '"') {
q++;
quotes_out++;
}
assert(*q == 'b');
q++;
bool in_quoted_string = (*q == ' ');
int x = (backslashes_in == 0 ? 15 : 18 + 7 * backslashes_in);
int y = (quotes_in == 0 ? 4 : 5 + quotes_in);
char *buf = dupprintf("%d,%d,%c",
backslashes_out, quotes_out,
in_quoted_string ? 'y' : 'n');
memcpy(linestarts[y] + x, buf, strlen(buf));
sfree(buf);
}
fputs(table, stdout);
return 0;
}
fprintf(stderr, "unrecognised option: \"%s\"\n", argv[1]);
return 1;
}