get_type_info

ccodegen.cpp

@@ -833,7 +833,8 @@ typedef struct String{
     gen_ast(it);
   }
 
-  gen("Type_Info *type_infos = (Type_Info[]){");
+  genln("S32 type_infos_len = %d;", pctx->all_types.len);
+  genln("Type_Info *type_infos = (Type_Info[]){");
   global_indent++;
   For(pctx->all_types){
     genln("{/*%Q*/.kind = %d, .size = %d, .align = %d, .is_unsigned = %s, .type_id = %d, ", typestring(it),

programs/language.kl

@@ -16,32 +16,32 @@ Any :: struct
 
 Type_ID :: S32
 Type_Info_Kind :: enum
-  TYPE_NONE
-  TYPE_S64 :: 7 // FIRST_NUMERIC
-  TYPE_S32
-  TYPE_S16
-  TYPE_S8
-  TYPE_INT
-  TYPE_CHAR
-  TYPE_U64
-  TYPE_U32
-  TYPE_U16
-  TYPE_U8
-  TYPE_F32
-  TYPE_F64
-  TYPE_POINTER
-  TYPE_BOOL // LAST_NUMERIC
-  TYPE_STRING
-  TYPE_VOID
-  TYPE_ARRAY
-  TYPE_LAMBDA
-  TYPE_STRUCT
-  TYPE_UNION
-  TYPE_ENUM
-  TYPE_TYPE
-  TYPE_SLICE
-  TYPE_TUPLE
-  TYPE_ANY
+  NONE
+  S64 :: 7 // FIRST_NUMERIC
+  S32
+  S16
+  S8
+  INT
+  CHAR
+  U64
+  U32
+  U16
+  U8
+  F32
+  F64
+  POINTER
+  BOOL // LAST_NUMERIC
+  STRING
+  VOID
+  ARRAY
+  LAMBDA
+  STRUCT
+  UNION
+  ENUM
+  TYPE
+  SLICE
+  TUPLE
+  ANY
 
 Type_Info_Struct_Member :: struct
   name: String
@@ -63,5 +63,10 @@ Type_Info :: struct
   lambda_arguments: *Type_Info
   lambda_return: Type_ID
 
-type_infos_len:  U32       #foreign
+type_infos_len:  S32       #foreign
 type_infos    : *Type_Info #foreign
+
+get_type_info :: (id: Type_ID): *Type_Info
+  if id >= type_infos_len
+    return 0
+  return type_infos + id

programs/main.kl

@@ -60,6 +60,9 @@ WinMain :: (hInstance: HINSTANCE, hPrevInstance: HINSTANCE, lpCmdLine: LPSTR, nS
   if good_scheduling := false, timeBeginPeriod(1) == TIMERR_NOERROR
     good_scheduling = true
 
+  char_info := get_type_info(5)
+  assert(char_info.kind == Type_Info_Kind.CHAR)
+
   arena: Arena
   window_name := string_to_string16(&arena, "Have a wonderful day! 豈 更 車 賈 滑 串 句 龜 ")
   w := WNDCLASSW{