--- /dev/null
+/*
+ * main.c
+ *
+ * Copyright (C) 2015 Alexander Andrejevic <theflash AT sdf DOT lonestar DOT org>
+ * Copyright (C) 2015, 2019 Jason Self <j@jxself.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>
+ *
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+extern "C"
+{
+#include <strings.h>
+}
+#include <getopt.h>
+#include <time.h>
+#include <ctype.h>
+#include "config.h"
+#include "header.h"
+extern "C"
+{
+#include "opcodes.h"
+}
+#include "parser.h"
+
+#include <string>
+#include <list>
+using namespace std;
+
+const int DEFAULT_ZVERSION = 6;
+
+enum
+{ ZVERSION = 11, ZORKID, ZSERIAL };
+
+enum
+{ FAIL = -1, OK = 0, NEED_RESTART = 1 };
+
+static struct option const long_options[] = {
+ {"help", no_argument, NULL, 'h'},
+ {"version", no_argument, NULL, 'V'},
+ {"output", required_argument, NULL, 'o'},
+ {"zversion", required_argument, NULL, ZVERSION},
+ {"zorkid", required_argument, NULL, ZORKID},
+ {"serial", required_argument, NULL, ZSERIAL},
+ {NULL, 0, NULL, 0}
+};
+
+
+typedef struct
+{
+ int todo;
+} Opcode_dict;
+
+
+struct
+{
+ int zversion; /* 0 - 8 */
+ int zorkid; /* 0 - 65535 */
+ char zserial[7]; /* YYMMDD */
+ Opcode_dict *opcode_dict;
+} Config;
+
+
+struct String_Table_Elem
+{
+ string value; // value in ASCII format
+ int index;
+};
+
+
+class CMain
+{
+public:
+ CMain ();
+ int assembly ();
+ void fill_config (void);
+ void get_arguments (int argc, char *argv[], char *envp[]);
+
+ char *get_output_file_name ();
+private:
+ char *m_output_file;
+ list < String_Table_Elem > m_string_table;
+ int m_code_size;
+
+
+ char *build_output_filename (const char basename[], const char *suffix);
+ void fill_zserial (void);
+ void new_file_suffix (char *result, size_t maxlen, const char *src,
+ const char *newsuffix);
+
+ void output_code_section ();
+
+ void parse_intarg (int *dest, const char name[], int min, int max,
+ int defval);
+ void parse_zserial (void);
+ void print_usage (int failed);
+ void print_version ();
+ void wrong_arg (const char *err, ...);
+
+};
+
+
+CMain::CMain ():m_output_file (NULL)
+{
+}
+
+int
+CMain::assembly ()
+{
+ FILE *file = fopen (m_output_file, "wb");
+ if (file)
+ {
+ program_header_reset (6);
+ int size = sizeof (Program_header);
+
+ Program_header.mode = 0;
+ Program_header.release = 1; // game version
+
+ int code_start_offset = 64;
+ Program_header.startPC = code_start_offset >> 2;
+
+ m_code_size = 0;
+ ZMemblock *zmem_code = zmem_init (65536);
+
+ /// write zero number of local variables
+ zmem_putbyte (zmem_code, 0); // number of local variables
+ ++m_code_size;
+
+ // write instructions' codes
+ for (int i = 0; i < g_numberOfInstructions; ++i)
+ {
+ for (int j = 0; j < g_codes[i]->used_size; ++j)
+ {
+ zmem_putbyte (zmem_code, g_codes[i]->contents[j]);
+ ++m_code_size;
+ }
+ }
+
+ if (m_code_size & 7)
+ m_code_size += 8 - (m_code_size & 7);
+
+ Program_header.dynamic_size = 8;
+
+ //Program_header.h_file_size = 33; //sizeof(Program_header) + zmb->used_size;
+
+ //m_code_size = 8;
+
+ Word stringTableOffset = m_code_size;
+ Program_header.H_STRINGS_OFFSET = (64 + stringTableOffset) >> 3;
+
+ int stringTableSize = 64;
+ Program_header.h_file_size =
+ (code_start_offset + m_code_size + stringTableSize) >> 3;
+ ZMemblock *zmb = zmem_init (Program_header.h_file_size * 8);
+
+ for (int i = 0; i < m_code_size; ++i)
+ zmem_putbyte (zmb, zmem_code->contents[i]);
+
+ zmem_destroy (zmem_code);
+
+ //zmem_putbyte(zmb, 0); // number of local variables
+ //zmem_putbyte(zmb, 141); // print addr command
+
+ //Word offset = 0;
+ //zmem_putbyte(zmb, (offset >> 8) & 255);
+ //zmem_putbyte(zmb, offset & 255);
+
+ //zmem_putbyte(zmb, 186); // quit command
+
+ // output zeros until string table begins
+ while (zmb->used_size < stringTableOffset)
+ zmem_putbyte (zmb, 0);
+ //
+ //// fill string table with one string
+ //add_string_to_string_table("Hello, World!", zmb);
+
+ outputToFile (&Program_header, file);
+ fwrite (zmb->contents, zmb->allocated_size, 1, file);
+ fclose (file);
+ }
+
+ return OK;
+}
+
+
+char *
+CMain::get_output_file_name ()
+{
+ return m_output_file;
+}
+
+
+void
+CMain::get_arguments (int argc, char *argv[], char *envp[])
+{
+ int opt = 0;
+ while ((opt = getopt_long (argc, argv, "hVo:", long_options, NULL)) != -1)
+ {
+ switch (opt)
+ {
+ case 'h':
+ print_usage (0);
+ case 'V':
+ print_version ();
+ case 'o':
+ if (m_output_file)
+ wrong_arg ("Output file must be given once\n");
+ m_output_file = optarg;
+ break;
+ case ZVERSION:
+ parse_intarg (&Config.zversion, "zversion", 1, 8, 1);
+ break;
+ case ZORKID:
+ parse_intarg (&Config.zorkid, "zorkid", 0, 0xFFFF, 0);
+ break;
+ case ZSERIAL:
+ parse_zserial ();
+ break;
+ default:
+ wrong_arg (0);
+ }
+ }
+
+ int first_input_file = optind;
+ if (first_input_file >= argc)
+ wrong_arg ("Missing input file\n");
+ if (!m_output_file)
+ m_output_file = build_output_filename (argv[first_input_file], ".dat");
+
+ // TODO: Everything :)
+
+
+ printf ("Input files:\n");
+ for (int i = optind; i < argc; i++)
+ printf ("\t%s\n", argv[i]);
+
+ printf ("Output file: %s\n\n", m_output_file);
+
+ printf ("Config:\n"
+ "- ZVersion: %d\n"
+ "- ZorkID: %d\n"
+ "- ZSerial: %s\n", Config.zversion, Config.zorkid, Config.zserial);
+
+}
+
+
+void
+CMain::wrong_arg (const char *err, ...)
+{
+ if (err)
+ {
+ va_list ap;
+ va_start (ap, err);
+ vfprintf (stderr, err, ap);
+ va_end (ap);
+ }
+ fprintf (stderr, "Try `" PACKAGE_NAME " --help' for more information.\n");
+ exit (1);
+}
+
+
+void
+CMain::print_version ()
+{
+ printf (PACKAGE_STRING "\n"
+ "License AGPLv3+: GNU AGPL version 3 or later\n"
+ "<http://gnu.org/licenses/agpl.html>\n"
+ "This is free software: you are free to change and redistribute it.\n"
+ "There is NO WARRANTY, to the extent permitted by law.\n");
+ exit (0);
+}
+
+
+void
+CMain::print_usage (int failed)
+{
+ printf ("Usage: " PACKAGE_NAME " [OPTION...] [FILES...]\n"
+ "\n"
+ "--version Display program version and exit\n"
+ "--help Display this help\n"
+ "\n"
+ "--zversion (accepts numbers 1 - 8, defaults to %d if not specified)\n"
+ "--zorkid (integer between 0 and 65535, defaults to 0 if not specified)\n"
+ "--serial (six characters of ASCII, defaults to current date\n"
+ " in the form YYMMDD if not specified)\n",
+ DEFAULT_ZVERSION);
+ exit (failed);
+}
+
+void
+CMain::fill_zserial (void)
+{
+ time_t t;
+ struct tm *timeinfo;
+ time (&t);
+ timeinfo = localtime (&t);
+ strftime (Config.zserial, sizeof (Config.zserial), "%y%m%d", timeinfo);
+}
+
+
+void
+CMain::fill_config (void)
+{
+ bzero (&Config, sizeof (Config));
+ Config.zversion = DEFAULT_ZVERSION;
+ fill_zserial ();
+}
+
+
+void
+CMain::parse_intarg (int *dest, const char name[], int min, int max,
+ int defval)
+{
+ if (!optarg)
+ {
+ *dest = defval;
+ return;
+ }
+ int n = atoi (optarg);
+ if (n >= min && n <= max)
+ {
+ *dest = n;
+ return;
+ }
+ wrong_arg ("Wrong %s value %s, must be integer between %d and %d\n",
+ name, optarg, min, max);
+}
+
+
+void
+CMain::parse_zserial (void)
+{
+ if (!optarg)
+ {
+ fill_zserial ();
+ return;
+ }
+ size_t n = strlen (optarg);
+ if (n == sizeof (Config.zserial) - 1)
+ {
+ char *p = optarg;
+ while (*p && isalnum (*p))
+ p++;
+ if (!*p)
+ { /* ..optarg contains alphanumeric only? */
+ strncpy (Config.zserial, optarg, sizeof (Config.zserial));
+ return;
+ }
+ }
+ wrong_arg ("Wrong zserial value %s, must be 6 ascii characters\n", optarg);
+}
+
+
+void
+CMain::new_file_suffix (char *result, size_t maxlen, const char *src,
+ const char *newsuffix)
+{
+ strncpy (result, src, maxlen);
+ char *p = strrchr (result, '.');
+ if (p && strchr (p, '/'))
+ p = NULL;
+ if (p)
+ {
+ strncpy (p, newsuffix, maxlen - (p - result));
+ }
+ else
+ {
+ strncat (result, newsuffix, maxlen);
+ }
+ result[maxlen] = 0;
+}
+
+
+char *
+CMain::build_output_filename (const char basename[], const char *suffix)
+{
+ int n = strlen (basename) + strlen (suffix);
+ char *ofile = (char *) malloc (n + 1); /* todo!!! check for NULL. free. */
+ new_file_suffix (ofile, n, basename, suffix);
+ return ofile;
+}
+
+
+int
+init_assembly (void)
+{
+ /* TODO */
+ return OK;
+}
+
+
+void
+CMain::output_code_section ()
+{
+
+}
+
+
+
+int
+main (int argc, char *argv[], char *envp[])
+{
+ CMain main;
+
+ main.fill_config ();
+ main.get_arguments (argc, argv, envp);
+ init_opcodes (Config.zversion, 0);
+
+ init_parser ();
+
+ for (int i = optind; i < argc; i++)
+ parse_file (argv[i]);
+ main.assembly ();
+
+ /* TODO! List global symbols */
+ /* TODO! Find abbreviations */
+ relase_parser ();
+ return 0;
+}
projects / zilutils.git / blobdiff