add PIC_TT_IREP

include/picrin/value.h

@@ -102,7 +102,8 @@ enum pic_tt {
   PIC_TT_SYNTAX,
   PIC_TT_SC,
   PIC_TT_LIB,
-  PIC_TT_VAR
+  PIC_TT_VAR,
+  PIC_TT_IREP
 };
 
 #define PIC_OBJECT_HEADER			\

src/codegen.c

@@ -679,10 +679,10 @@ codegen(codegen_state *state, pic_value obj, bool tailpos)
   case PIC_TT_SYNTAX:
   case PIC_TT_SC:
   case PIC_TT_LIB:
-  case PIC_TT_VAR: {
+  case PIC_TT_VAR:
+  case PIC_TT_IREP:
     pic_error(pic, "invalid expression given");
   }
-  }
 }
 
 static void

src/gc.c

@@ -428,6 +428,9 @@ gc_mark_object(pic_state *pic, struct pic_object *obj)
     }
     break;
   }
+  case PIC_TT_IREP: {
+    break;
+  }
   case PIC_TT_NIL:
   case PIC_TT_BOOL:
   case PIC_TT_FLOAT:
@@ -567,6 +570,9 @@ gc_finalize_object(pic_state *pic, struct pic_object *obj)
   case PIC_TT_VAR: {
     break;
   }
+  case PIC_TT_IREP: {
+    break;
+  }
   case PIC_TT_NIL:
   case PIC_TT_BOOL:
   case PIC_TT_FLOAT:

src/macro.c

@@ -547,6 +547,7 @@ macroexpand(pic_state *pic, pic_value expr, struct pic_senv *senv)
   case PIC_TT_SYNTAX:
   case PIC_TT_LIB:
   case PIC_TT_VAR:
+  case PIC_TT_IREP:
     pic_error(pic, "unexpected value type");
     return pic_undef_value();	/* unreachable */
   }

src/value.c

@@ -84,6 +84,8 @@ pic_type_repr(enum pic_tt tt)
     return "lib";
   case PIC_TT_VAR:
     return "var";
+  case PIC_TT_IREP:
+    return "irep";
   }
   /* logic flaw */
   abort();

src/write.c

@@ -146,6 +146,9 @@ write(pic_state *pic, pic_value obj)
   case PIC_TT_VAR:
     printf("#<var %p>", pic_ptr(obj));
     break;
+  case PIC_TT_IREP:
+    printf("#<irep %p>", pic_ptr(obj));
+    break;
   }
 }