1 files changed, 68 insertions, 0 deletions
diff --git a/tasm/src/main.c b/tasm/src/main.c
new file mode 100644
index 0000000..bb6a1ac
--- /dev/null
+++ b/tasm/src/main.c
@@ -0,0 +1,68 @@
+#include <tasm/assembler.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+
+static const char *cmdline_usage =
+"tasm trinary assembler usage:\n"
+" tasm [-I <dir>...] -o outfile infile\n"
+"	-h           Show usage (this)\n"
+"	-I <dir>     Add directory to include path\n"
+"	-o <outfile> File to output to\n"
+"	infile       Top file to assemble\n"
+;
+
+static void usage()
+{
+	fprintf(stderr, cmdline_usage);
+}
+
+int main(int argc, char *argv[])
+{
+	const char *outfile = NULL;
+	int opt;
+	while ((opt = getopt(argc, argv, "hI:o:")) != -1) {
+		switch (opt) {
+		case 'I':
+			fprintf(stderr, "include paths not yet implemented\n");
+			break;
+
+		case 'o':
+			outfile = optarg;
+			break;
+
+		case 'h':
+			usage();
+			exit(EXIT_SUCCESS);
+			break;
+
+		default:
+			usage();
+			exit(EXIT_FAILURE);
+			break;
+		}
+	}
+
+	if (!outfile) {
+		fprintf(stderr, "no output file\n");
+		usage();
+		exit(EXIT_FAILURE);
+	}
+
+	if (optind >= argc) {
+		fprintf(stderr, "no input files\n");
+		usage();
+		exit(EXIT_FAILURE);
+	}
+
+	if (optind != argc - 1) {
+		fprintf(stderr, "too many input files\n");
+		usage();
+		exit(EXIT_FAILURE);
+	}
+
+	if (assemble(outfile, argv[optind]))
+		exit(EXIT_FAILURE);
+
+	return EXIT_SUCCESS;
+}