add +,/,*,=.

GNUmakefile

@@ -16,7 +16,14 @@ mes.h: mes.c GNUmakefile
 		while read f; do\
 			fun=$$(echo $$f | sed -e 's,^scm [*],,' -e 's,{.*,,');\
 			name=$$(echo $$fun | sed -e 's,^scm [\*],,' | grep -o '^[^ ]*');\
-			scm_name=$$(echo $$name | sed -e 's,_p$$,?,' -e 's,_x$$,!,' -e 's,^builtin_,,' -re 's,(.*)_$$,c:\1,' | sed -e 's,^less?$$,<,' -e 's,^minus$$,-,' -e 's,_,-,g');\
+			scm_name=$$(echo $$name | sed -e 's,_p$$,?,' -e 's,_x$$,!,' -e 's,^builtin_,,' -re 's,(.*)_$$,c:\1,' | sed \
+				-e 's,^divide$$,/,'\
+				-e 's,^is?$$,=,'\
+				-e 's,^less?$$,<,'\
+				-e 's,^minus$$,-,'\
+				-e 's,^multiply$$,*,'\
+				-e 's,^plus$$,+,'\
+				-e 's,_,-,g');\
 			args=$$(echo $$fun | grep -o 'scm [\*]' | wc -l);\
 			echo "scm *$$fun;";\
 			echo "scm scm_$$name = {FUNCTION$$args, .name=\"$$scm_name\", .function$$args=&$$name};";\

mes.c

@@ -715,23 +715,41 @@ less_p (scm *a, scm *b)
 scm *
 minus (scm *a, scm *b)
 {
-#if DEBUG
-  printf ("\nminus a=");
-  display (a);
-  printf (" b=");
-  display (b);
-  puts ("");
-#endif
   assert (a->type == NUMBER);
   assert (b->type == NUMBER);
-  //return make_number (a->value - b->value);
-  scm *r = make_number (a->value - b->value);
-#if DEBUG
-  printf ("  ==> ");
-  display (r);
-  puts ("");
-#endif
-  return r;
+  return make_number (a->value - b->value);
+}
+
+scm *
+plus (scm *a, scm *b)
+{
+  assert (a->type == NUMBER);
+  assert (b->type == NUMBER);
+  return make_number (a->value + b->value);
+}
+
+scm *
+divide (scm *a, scm *b)
+{
+  assert (a->type == NUMBER);
+  assert (b->type == NUMBER);
+  return make_number (a->value / b->value);
+}
+
+scm *
+multiply (scm *a, scm *b)
+{
+  assert (a->type == NUMBER);
+  assert (b->type == NUMBER);
+  return make_number (a->value * b->value);
+}
+
+scm *
+is_p (scm *a, scm *b)
+{
+  assert (a->type == NUMBER);
+  assert (b->type == NUMBER);
+  return a->value == b->value ? &scm_t : &scm_f;
 }
 
 #if QUASIQUOTE

test.mes

@@ -114,4 +114,14 @@
 (display 'a=1:)
 (display a)
 (newline)
+
+(display (+ 11 12))
+(newline)
+(display (* 3 3))
+(newline)
+(display (/ 9 3))
+(newline)
+(display (= 3 '3))
+(newline)
+
 '()