1 files changed, 57 insertions, 0 deletions
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..93b9dfa
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,57 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <ct/ctpp.h>
+#include <ct/debug.h>
+#include <ct/imports.h>
+#include <ct/compiler.h>
+
+static const char *cmdline_usage =
+"C with traits compiler usage:\n"
+" ct [-I <dir>...] [-D <var>...] infile...\n"
+"	-h       Show usage (this)\n"
+"	-I <dir> Add directory to import path\n"
+"	-D <var> Add predefined variable\n"
+"	infile   Top file to compile\n"
+;
+
+static void usage()
+{
+	fprintf(stderr, cmdline_usage);
+}
+
+int main(int argc, char *argv[])
+{
+	int opt;
+	while ((opt = getopt(argc, argv, "hI:D:")) != -1) {
+		switch (opt) {
+		case 'I':
+			add_import_path(optarg);
+			break;
+
+		case 'D':
+			add_predefined_variable(optarg);
+			break;
+
+		case 'h':
+			usage();
+			exit(EXIT_SUCCESS);
+		default:
+			usage();
+			exit(EXIT_FAILURE);
+		}
+	}
+
+	if (optind >= argc) {
+		error("no input files\n");
+		exit(EXIT_FAILURE);
+	}
+
+	for (int i = optind; i < argc; ++i) {
+		debug("starting compilation of '%s'\n", argv[i]);
+		compile(argv[i]);
+	}
+
+	return 0;
+}