update swig on windows

winx64/bin/swigwin-4.0.0/Lib/guile/interpreter.i

@@ -0,0 +1,59 @@
+/* -----------------------------------------------------------------------------
+ * interpreter.i
+ *
+ * SWIG file for a simple Guile interpreter
+ * ----------------------------------------------------------------------------- */
+
+%{
+
+#include <stdio.h>
+GSCM_status guile_init();
+
+int main(int argc, char **argv) {
+  GSCM_status status;
+  GSCM_top_level toplev;
+  char *eval_answer;
+  char input_str[16384];
+  int done;
+
+  /* start a scheme interpreter */
+  status = gscm_run_scm(argc, argv, 0, stdout, stderr, guile_init, 0, "#t");
+  if (status != GSCM_OK) {
+    fputs(gscm_error_msg(status), stderr);
+    fputc('\n', stderr);
+    printf("Error in startup.\n");
+    exit(1);
+  }
+
+  /* create the top level environment */
+  status = gscm_create_top_level(&toplev);
+  if (status != GSCM_OK) {
+    fputs(gscm_error_msg(status), stderr);
+    fputc('\n', stderr);
+    exit(1);
+  }
+
+  /* now sit in a scheme eval loop: I input the expressions, have guile
+   * evaluate them, and then get another expression.
+   */
+  done = 0;
+  fprintf(stdout,"Guile > ");
+  while (!done) {
+    if (fgets(input_str,16384,stdin) == NULL) {
+      exit(1);
+    } else {
+      if (strncmp(input_str,"quit",4) == 0) exit(1);
+      status = gscm_eval_str(&eval_answer, toplev, input_str);
+      fprintf(stdout,"%s\n", eval_answer);
+      fprintf(stdout,"Guile > ");
+    }
+  }
+
+  /* now clean up and quit */
+  gscm_destroy_top_level(toplev);
+}
+
+%}
+
+
+