/* * Copyright © 2016 Keith Packard * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. */ #include "ao_lisp.h" #include static FILE *ao_lisp_file; static int newline = 1; int ao_lisp_getc(void) { int c; if (ao_lisp_file) return getc(ao_lisp_file); if (newline) { printf("> "); newline = 0; } c = getchar(); if (c == '\n') newline = 1; return c; } int main (int argc, char **argv) { while (*++argv) { ao_lisp_file = fopen(*argv, "r"); if (!ao_lisp_file) { perror(*argv); exit(1); } ao_lisp_read_eval_print(); fclose(ao_lisp_file); ao_lisp_file = NULL; } ao_lisp_read_eval_print(); }