frontend: split interactive and non-interactive modes into separate commands

frontend/cmd/exec.c

@@ -0,0 +1,41 @@
+#include "cmd.h"
+
+#include <blue/cmd.h>
+
+enum {
+	ARG_FILE
+};
+
+static int exec(const b_command *cmd, const b_arglist *args, const b_array *_)
+{
+	return 0;
+}
+
+B_COMMAND(CMD_ROOT, B_COMMAND_INVALID_ID)
+{
+	B_COMMAND_NAME("ivy");
+	B_COMMAND_DESC("evaluate an Ivy source file or Ivy object file.");
+	B_COMMAND_HELP_OPTION();
+	B_COMMAND_FLAGS(B_COMMAND_SHOW_HELP_BY_DEFAULT);
+	B_COMMAND_FUNCTION(exec);
+
+	B_COMMAND_ARG(ARG_FILE)
+	{
+		B_ARG_NAME("file");
+		B_ARG_DESC("The file to execute.");
+		B_ARG_NR_VALUES(1);
+	}
+
+	B_COMMAND_USAGE()
+	{
+		B_COMMAND_USAGE_OPT_PLACEHOLDER();
+		B_COMMAND_USAGE_ARG(ARG_FILE);
+	}
+
+	B_COMMAND_USAGE()
+	{
+		B_COMMAND_USAGE_COMMAND_PLACEHOLDER();
+		B_COMMAND_USAGE_OPT_PLACEHOLDER();
+		B_COMMAND_USAGE_ARG_PLACEHOLDER();
+	}
+}