Parsing complete mostly, ordering, resolving, C++ tests

memory.c

@@ -1,21 +1,30 @@
 global const SizeU default_reserve_size   = gib(4);
 global const SizeU default_alignment      = 8;
 global const SizeU additional_commit_size = mib(1);
+function SizeU align_up(SizeU size, SizeU align);
 
 function void
-memory_copy(U8 *dst, U8 *src, SizeU size){
+memory_copy(void *dst, void *src, SizeU size){
+  U8 *d = (U8*)dst;
+  U8 *s = (U8*)src;
   for(SizeU i = 0; i < size; i++){
-    dst[i] = src[i];
+    d[i] = s[i];
   }
 }
 
 function void
 memory_zero(void *p, SizeU size){
-  U8 *pp = p;
+  U8 *pp = (U8 *)p;
   for(SizeU i = 0; i < size; i++)
     pp[i] = 0;
 }
 
+function int 
+max_int(int a, int b){
+  if(a>b) return a;
+  return b;
+}
+
 function void
 arena_init(Arena *a){
   a->memory = os_reserve(default_reserve_size);
@@ -40,6 +49,19 @@ arena_push_size(Arena *a, SizeU size){
   return result;
 }
 
+function void *
+arena_push_copy(Arena *a, void *pointer, SizeU size){
+  void *result = arena_push_size(a, size);
+  memory_copy(result, pointer, size);
+  return result;
+}
+
+function SizeU
+clamp_top_sizeu(SizeU val, SizeU max){
+  if(val>max)return max;
+  return val;
+}
+
 function void
 arena_pop_pos(Arena *arena, SizeU pos){
   pos = clamp_top_sizeu(pos, arena->len);
@@ -69,7 +91,7 @@ function String
 string_fmtv(Arena *arena, const char *str, va_list args1) {
   va_list args2;
   va_copy(args2, args1);
-  U64 len = vsnprintf(0, 0, str, args2);
+  S64 len = vsnprintf(0, 0, str, args2);
   va_end(args2);
   
   char *result = (char *)arena_push_size(arena, len + 1);
@@ -77,7 +99,8 @@ string_fmtv(Arena *arena, const char *str, va_list args1) {
   if (arena->len > 0)
     arena->len -= 1;
   
-  return (String){(U8 *)result, len};
+  String res = {(U8 *)result, len};
+  return res;
 }
 
 #define STRING_FMT(arena, str, result) \
@@ -104,7 +127,7 @@ string_listf(Arena *arena, String_List *list, const char *str, ...){
 
 function String
 string_list_flatten(Arena *arena, String_List *list){
-  String result = {arena_push_size(arena, list->char_count + 1)};
+  String result = {(U8 *)arena_push_size(arena, list->char_count + 1)};
   for(String_Node *node = list->first; node; node=node->next){
     memory_copy(result.str+result.len, node->str, node->len);
     result.len += node->len;