Initial implementation

main.c

@@ -0,0 +1,92 @@
+/* Copyright (C) 2025 Aryadev Chavali
+
+ * 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 Version 2 for
+ * details.
+
+ * You may distribute and modify this code under the terms of the GNU General
+ * Public License Version 2, which you should have received a copy of along with
+ * this program.  If not, please go to <https://www.gnu.org/licenses/>.
+
+ * Created: 2025-04-05
+ * Description: Entrypoint
+ */
+
+#include "./base.h"
+#include "./lisp.h"
+#include "./memory.h"
+#include "./reader.h"
+#include "./sv.h"
+#include "./vec.h"
+
+#include <assert.h>
+#include <ctype.h>
+#include <malloc.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+
+int main(int argc, char *argv[])
+{
+  int exit             = 0;
+  context_t ctx        = {0};
+  const char *filename = NULL;
+#if 1
+  if (argc > 1)
+    filename = argv[1];
+  else
+    filename = "./r7rs-tests.scm";
+
+  FILE *fp = fopen(filename, "r");
+  if (!fp)
+  {
+    fprintf(stderr, "[ERROR]: File `%s` does not exist\n", filename);
+    exit = 1;
+    goto end;
+  }
+  input_t inp = {0};
+  input_from_fp(&ctx, &inp, filename, fp);
+  fclose(fp);
+#else
+  filename        = "<example>";
+  char inp_data[] = "(print (+ 34 35))";
+  input_t inp     = {0};
+  sv_t inp_sv     = SV(inp_data, sizeof(inp_data));
+  input_from_sv(&ctx, &inp, filename, inp_sv);
+#endif
+
+  if (inp.str.size == 0)
+  {
+    info("[WARNING] `%s` is empty.\n", filename);
+    goto end;
+  }
+  debug("[file read]: %luB read from `%s`\n", inp.str.size, filename);
+
+  // Setup a vector to hold all the lisps
+  vec_t results = {0};
+  perr_t perr   = parse_all(&ctx, &inp, &results);
+  if (perr)
+  {
+    exit = perr;
+    print_perror(stderr, &inp, perr);
+    goto end;
+  }
+  context_reset_read(&ctx);
+
+  lisp_t **lisps = (lisp_t **)results.data;
+  u64 size       = results.size / sizeof(*lisps);
+  for (u64 i = 0; i < size; ++i)
+  {
+    lisp_t *lisp = lisps[i];
+    // printf("tag=%x\n", tag_get(lisp));
+    sv_t serialised = serialise(&ctx, lisp);
+    info("lisp[%lu]: %p => " PR_SV "\n", i, lisp, SV_FMT(serialised));
+  }
+  context_report(&ctx);
+
+end:
+
+  context_cleanup(&ctx);
+  return exit;
+}