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Added -h command line option

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This commit is contained in:
Clifford Wolf 2014-01-29 11:10:39 +01:00
parent 6a7d7e847d
commit 96084e9864
1 changed files with 8 additions and 2 deletions
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10
kernel/driver.cc
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@ -473,7 +473,7 @@ int main(int argc, char **argv)
} }
int opt; int opt;
while ((opt = getopt(argc, argv, "VSm:f:b:o:p:l:qv:ts:c:")) != -1) while ((opt = getopt(argc, argv, "VSm:f:h:b:o:p:l:qv:ts:c:")) != -1)
{ {
switch (opt) switch (opt)
{ {
@ -499,6 +499,9 @@ int main(int argc, char **argv)
case 'f': case 'f':
frontend_command = optarg; frontend_command = optarg;
break; break;
case 'h':
passes_commands.push_back(stringf("help %s", optarg));
break;
case 'b': case 'b':
backend_command = optarg; backend_command = optarg;
break; break;
@ -536,7 +539,7 @@ int main(int argc, char **argv)
break; break;
default: default:
fprintf(stderr, "\n"); fprintf(stderr, "\n");
fprintf(stderr, "Usage: %s [-V] [-S] [-q] [-v <level>[-t] [-l <logfile>] [-o <outfile>] [-f <frontend>]\n", argv[0]); fprintf(stderr, "Usage: %s [-V] [-S] [-q] [-v <level>[-t] [-l <logfile>] [-o <outfile>] [-f <frontend>] [-h cmd] \\\n", argv[0]);
fprintf(stderr, " %*s[{-s|-c} <scriptfile>] [-p <pass> [-p ..]] [-b <backend>] [-m <module_file>] [<infile> [..]]\n", int(strlen(argv[0])+1), ""); fprintf(stderr, " %*s[{-s|-c} <scriptfile>] [-p <pass> [-p ..]] [-b <backend>] [-m <module_file>] [<infile> [..]]\n", int(strlen(argv[0])+1), "");
fprintf(stderr, "\n"); fprintf(stderr, "\n");
fprintf(stderr, " -q\n"); fprintf(stderr, " -q\n");
@ -560,6 +563,9 @@ int main(int argc, char **argv)
fprintf(stderr, " -f backend\n"); fprintf(stderr, " -f backend\n");
fprintf(stderr, " use the specified front for the input files on the command line\n"); fprintf(stderr, " use the specified front for the input files on the command line\n");
fprintf(stderr, "\n"); fprintf(stderr, "\n");
fprintf(stderr, " -h command\n");
fprintf(stderr, " print the help message for the specified command\n");
fprintf(stderr, "\n");
fprintf(stderr, " -s scriptfile\n"); fprintf(stderr, " -s scriptfile\n");
fprintf(stderr, " execute the commands in the script file\n"); fprintf(stderr, " execute the commands in the script file\n");
fprintf(stderr, "\n"); fprintf(stderr, "\n");