fix some issues with pushlist macros, some syntax, new EachEl

core.c

@@ -7,7 +7,7 @@
 
 void *pushSizeFill(Arena *arena, size_t bytes, byte fill) {
     if (arena->capacity - arena->head >= bytes) {
-        void *ptr = (char *)arena->memory + arena->head;
+        void *ptr = (byte *)arena->memory + arena->head;
         arena->head += bytes;
         memset(ptr, fill, bytes);
         return ptr;
@@ -17,7 +17,7 @@ void *pushSizeFill(Arena *arena, size_t bytes, byte fill) {
 
 void *pushSize(Arena *arena, size_t bytes) {
     if (arena->capacity - arena->head >= bytes) {
-        void *ptr = (char *)arena->memory + arena->head;
+        void *ptr = (byte *)arena->memory + arena->head;
         arena->head += bytes;
         return ptr;
     }
@@ -26,7 +26,7 @@ void *pushSize(Arena *arena, size_t bytes) {
 
 Arena *arenaAlloc(size_t capacity) {
     Arena *result = (Arena *)os_alloc(sizeof(Arena) + capacity);
-    result->memory = result + sizeof(Arena);
+    result->memory = (byte *)result + sizeof(Arena);
     result->capacity = capacity;
     result->head = 0;
     return result;

core.h

@@ -7,7 +7,7 @@
 #include "time.h" // TODO(djledda): try not to depend on this one
 
 // ### Misc macros ###
-#if ENABLE_ASSERT
+#if DJSTDLIB_DEBUG
 #define Assert(expression) if (!(expression)) {*(volatile int *)0 = 0;}
 #else
 #define Assert(expression)
@@ -47,16 +47,18 @@ typedef struct string string;
 #define MemberSizeUnderlying(type, memberName) sizeof(*((type *)0)->memberName)
 
 // ### Arenas ###
-typedef struct {
+typedef struct Arena Arena;
+struct Arena {
     void *memory;
     size_t capacity;
     size_t head;
-} Arena;
+};
 
-typedef struct {
+typedef struct Scratch Scratch;
+struct Scratch {
     Arena *arena;
     size_t start;
-} Scratch;
+};
 
 void *pushSize(Arena *arena, size_t bytes);
 void *pushSizeFill(Arena *arena, size_t bytes, byte fill);
@@ -76,13 +78,14 @@ void scratchEnd(Scratch scratch);
 #define PushStructZero(arena, type) (type *)pushSizeFill(arena, sizeof(type), 0)
 
 // ### Vectors ###
-typedef union {
+typedef union Vec2 Vec2;
+union Vec2 {
     struct {
         real32 x;
         real32 y;
     };
     real32 vec[2];
-} Vec2;
+};
 inline function Vec2 vec2(real32 x, real32 y) {
     Vec2 result = {0};
     result.x = x;
@@ -90,14 +93,15 @@ inline function Vec2 vec2(real32 x, real32 y) {
     return result;
 }
 
-typedef union {
+typedef union Vec3 Vec3;
+union Vec3 {
     struct {
         real32 x;
         real32 y;
         real32 z;
     };
     real32 vec[3];
-} Vec3;
+};
 inline function Vec3 vec3(real32 x, real32 y, real32 z) {
     Vec3 result = {0};
     result.x = x;
@@ -106,7 +110,8 @@ inline function Vec3 vec3(real32 x, real32 y, real32 z) {
     return result;
 }
 
-typedef union {
+typedef union Vec4 Vec4;
+union Vec4 {
     struct {
         real32 r;
         real32 g;
@@ -120,7 +125,7 @@ typedef union {
         real32 w;
     };
     real32 vec[4];
-} Vec4;
+};
 inline function Vec4 vec4(real32 x, real32 y, real32 z, real32 w) {
     Vec4 result = {0};
     result.x = x;
@@ -132,20 +137,21 @@ inline function Vec4 vec4(real32 x, real32 y, real32 z, real32 w) {
 
 // ### Lists ###
 #define DefineList(type, prefix) \
-    typedef struct {\
+    typedef struct prefix ## List prefix ## List;\
+    struct prefix ## List {\
         type* data;\
         size_t length;\
         size_t capacity;\
-    } prefix ## List;\
+    };\
     typedef type prefix ## List ## _underlying
 #define ListElementSize(list) MemberSizeUnderlying(list, data)
 
 DefineList(string, String);
 
-#define PushList(arena, type, size) (type){ pushSize(arena, ListElementSize(type)*size), 0, size }
+#define PushList(arena, type, size) (type){ .data=pushSize(arena, ListElementSize(type)*(size)), .length=0, .capacity=(size) }
-#define PushListZero(arena, type, size) (type){ pushSizeFill(arena, ListElementSize(type)*size, 0), 0, size }
+#define PushListZero(arena, type, size) (type){ .data=pushSizeFill(arena, ListElementSize(type)*(size), 0), .length=0, .capacity=(size) }
-#define PushFullList(arena, type, size) (type){ pushSize(arena, ListElementSize(type)*size), size, size }
+#define PushFullList(arena, type, size) (type){ .data=pushSize(arena, ListElementSize(type)*size), .length=(size), .capacity=(size) }
-#define PushFullListZero(arena, type, size) (type){ pushSizeFill(arena, ListElementSize(type)*size, 0), size, size }
+#define PushFullListZero(arena, type, size) (type){ .data=pushSizeFill(arena, ListElementSize(type)*(size), 0), .length=(size), .capacity=(size) }
 
 #define EmptyList() { NULL, 0, 0 }
 #define __ArrayAsList(array) { .data=(array), .length=ArrayCount(array), .capacity=ArrayCount(array) }
@@ -199,16 +205,18 @@ StringList strSplit(Arena *arena, string splitStr, string inputStr);
 string strPrintfv(Arena *arena, const char *fmt, va_list args);
 string strPrintf(Arena *arena, const char *fmt, ...);
 
-typedef struct {
+typedef struct ParsePositiveIntResult ParsePositiveIntResult;
+struct ParsePositiveIntResult {
     uint8 result;
     bool valid;
-} ParsePositiveIntResult;
+};
 ParsePositiveIntResult parsePositiveInt(string str, size_t *lengthPointer);
 
-typedef struct {
+typedef struct ParsePositiveReal32Result ParsePositiveReal32Result;
+struct ParsePositiveReal32Result {
     real32 result;
     bool valid;
-} ParsePositiveReal32Result;
+};
 ParsePositiveReal32Result parsePositiveReal32(string str, size_t *lengthPointer);
 
 inline function bool isNumeric(char c);
@@ -290,6 +298,7 @@ extern void (*print)(const char *fmt, ...);
 
 // ### Loops ###
 #define EachIn(list, it) size_t it = 0; it < (list).length; it++
+#define EachEl(list, type, element) type* element = (list).data; element < (list).data + (list).length; element += 1
 #define EachInReversed(list, it) size_t it = (list).length - 1; it >= 0 && it < (list).length; it--
 #define EachInArray(arr, it)  size_t it = 0; it < ArrayCount(arr); ++it