minor refactor, fixed many warnings

src/cchunk.c

@@ -37,7 +37,7 @@ void freeChunk(CState* state, CChunk *chunk) {
 
 int addConstant(CState* state, CChunk *chunk, CValue value) {
     // before adding the constant, check if we already have it
-    for (int i = 0; i < chunk->constants.count; i++) {
+    for (size_t i = 0; i < chunk->constants.count; i++) {
         if (cosmoV_equal(value, chunk->constants.values[i]))
             return i; // we already have a matching constant!
     }

src/cdebug.c

@@ -32,7 +32,7 @@ int u8u16OperandInstruction(const char *name, CChunk *chunk, int offset) {
     return offset + 4; // op + u8 + u16
 }
 
-int constInstruction(const char *name, CChunk *chunk, int offset, int indent) {
+int constInstruction(const char *name, CChunk *chunk, int offset) {
     int index = readu16Chunk(chunk, offset + 1);
     printf("%-16s [%05d] - ", name, index);
     CValue val = chunk->constants.values[index];
@@ -48,7 +48,7 @@ void disasmChunk(CChunk *chunk, const char *name, int indent) {
     printIndent(indent);
     printf("===[[ %s ]]===\n", name);
 
-    for (int offset = 0; offset < chunk->count;) {
+    for (size_t offset = 0; offset < chunk->count;) {
         offset = disasmInstr(chunk, offset, indent);
         printf("\n");
     }
@@ -69,11 +69,11 @@ int disasmInstr(CChunk *chunk, int offset, int indent) {
 
     switch (i) {
         case OP_LOADCONST: 
-            return constInstruction("OP_LOADCONST", chunk, offset, indent);
+            return constInstruction("OP_LOADCONST", chunk, offset);
         case OP_SETGLOBAL:
-            return constInstruction("OP_SETGLOBAL", chunk, offset, indent);
+            return constInstruction("OP_SETGLOBAL", chunk, offset);
         case OP_GETGLOBAL:
-            return constInstruction("OP_GETGLOBAL", chunk, offset, indent);
+            return constInstruction("OP_GETGLOBAL", chunk, offset);
         case OP_SETLOCAL:
             return u8OperandInstruction("OP_SETLOCAL", chunk, offset);
         case OP_GETLOCAL:

src/clex.c

@@ -155,7 +155,7 @@ CTokenType identifierType(CLexState *state) {
     int length = state->currentChar - state->startChar;
 
     // check against reserved word list
-    for (int i = 0; i < sizeof(reservedWords) / sizeof(CReservedWord); i++) {
+    for (size_t i = 0; i < sizeof(reservedWords) / sizeof(CReservedWord); i++) {
         // it matches the reserved word
         if (reservedWords[i].len == length && memcmp(state->startChar, reservedWords[i].word, length) == 0) 
             return reservedWords[i].type;

src/cmem.c

@@ -78,7 +78,7 @@ void tableRemoveWhite(CState *state, CTable *tbl) {
 }
 
 void markArray(CState *state, CValueArray *array) {
-    for (int i = 0; i < array->count; i++) {
+    for (size_t i = 0; i < array->count; i++) {
         markValue(state, array->values[i]);
     }
 }
@@ -132,7 +132,9 @@ void blackenObject(CState *state, CObj *obj) {
             break;
         }
         default:
-            printf("Unknown type in blackenObject with %p, type %d\n", obj, obj->type);
+#ifdef GC_DEBUG
+            printf("Unknown type in blackenObject with %p, type %d\n", (void*)obj, obj->type);
+#endif
             break;
     }
 }

src/cobj.c

@@ -11,7 +11,7 @@ uint32_t hashString(const char *str, size_t sz) {
     uint32_t hash = sz;
     size_t step = (sz>>5)+1;
 
-    for (int i = sz; i >= step; i-=step)
+    for (size_t i = sz; i >= step; i-=step)
         hash = ((hash << 5) + (hash>>2)) + str[i-1];
 
     return hash;
@@ -394,12 +394,12 @@ CObjString *cosmoO_toString(CState *state, CObj *obj) {
         }
         case COBJ_OBJECT: { // TODO: maybe not safe??
             char buf[64];
-            int sz = sprintf(buf, "<obj> %p", obj) + 1; // +1 for the null character
+            int sz = sprintf(buf, "<obj> %p", (void*)obj) + 1; // +1 for the null character
             return cosmoO_copyString(state, buf, sz);
         }
         case COBJ_DICT: {
             char buf[64];
-            int sz = sprintf(buf, "<dict> %p", obj) + 1; // +1 for the null character
+            int sz = sprintf(buf, "<dict> %p", (void*)obj) + 1; // +1 for the null character
             return cosmoO_copyString(state, buf, sz);
         }
         default:
@@ -415,17 +415,17 @@ void printObject(CObj *o) {
             break;
         }
         case COBJ_OBJECT: {
-            printf("<obj> %p", o);
+            printf("<obj> %p", (void*)o);
             break;
         }
         case COBJ_DICT: {
             CObjDict *dict = (CObjDict*)o;
-            printf("<dict> %p", dict);
+            printf("<dict> %p", (void*)dict);
             break;
         }
         case COBJ_UPVALUE: {
             CObjUpval *upval = (CObjUpval*)o;
-            printf("<upvalue %p> -> ", upval->val);
+            printf("<upvalue %p> -> ", (void*)upval->val);
             printValue(*upval->val);
             break;
         }
@@ -444,17 +444,17 @@ void printObject(CObj *o) {
         }
         case COBJ_CFUNCTION: {
             CObjCFunction *objCFunc = (CObjCFunction*)o;
-            printf("<c function> %p", objCFunc->cfunc);
+            printf("<c function> %p", (void*)objCFunc->cfunc);
             break;
         }
         case COBJ_METHOD: {
             CObjMethod *method = (CObjMethod*)o;
-            printf("<method> %p : ", method->obj);
+            printf("<method> %p : ", (void*)method->obj);
             printValue(method->func);
             break;
         }
         default:
-            printf("<unkn obj %p>", o);
+            printf("<unkn obj %p>", (void*)o);
     }
 }
 

src/cobj.h

@@ -22,7 +22,7 @@ typedef enum {
     COBJ_UPVALUE,
 } CObjType;
 
-#define CommonHeader CObj _obj;
+#define CommonHeader CObj _obj
 #define readFlag(x, flag)   (x & (1u << flag))
 #define setFlagOn(x, flag)  (x |= (1u << flag))
 

src/cparse.c

@@ -287,8 +287,10 @@ static uint16_t identifierConstant(CParseState *pstate, CToken *name) {
 }
 
 static void addLocal(CParseState *pstate, CToken name) {
-    if (pstate->compiler->localCount > UINT8_MAX)
+    if (pstate->compiler->localCount > UINT8_MAX) {
-        return error(pstate, "UInt overflow! Too many locals in scope!");
+        error(pstate, "UInt overflow! Too many locals in scope!");
+        return;
+    }
 
     Local *local = &pstate->compiler->locals[pstate->compiler->localCount++];
     local->name = name;

src/ctable.c

@@ -73,7 +73,7 @@ uint32_t getValueHash(CValue *val) {
                 return 0;
             
             memcpy(buf, &num, sizeof(buf));
-            for (int i = 0; i < sizeof(cosmo_Number)/sizeof(uint32_t); i++) buf[0] += buf[i];
+            for (size_t i = 0; i < sizeof(cosmo_Number)/sizeof(uint32_t); i++) buf[0] += buf[i];
             return buf[0];
         }
         // TODO: add support for other types
@@ -216,7 +216,7 @@ COSMO_API int cosmoT_count(CTable *tbl) {
     return tbl->count - tbl->tombstones;
 }
 
-CObjString *cosmoT_lookupString(CTable *tbl, const char *str, size_t length, uint32_t hash) {
+CObjString *cosmoT_lookupString(CTable *tbl, const char *str, int length, uint32_t hash) {
     if (tbl->count == 0) return 0; // sanity check
     uint32_t indx = hash & (tbl->capacity - 1); // since we know the capacity will *always* be a power of 2, we can use bitwise & to perform a MUCH faster mod operation
 

src/ctable.h

@@ -22,7 +22,7 @@ COSMO_API void cosmoT_addTable(CState *state, CTable *from, CTable *to);
 COSMO_API CValue *cosmoT_insert(CState *state, CTable *tbl, CValue key);
 COSMO_API int cosmoT_count(CTable *tbl);
 
-CObjString *cosmoT_lookupString(CTable *tbl, const char *str, size_t length, uint32_t hash);
+CObjString *cosmoT_lookupString(CTable *tbl, const char *str, int length, uint32_t hash);
 bool cosmoT_checkShrink(CState *state, CTable *tbl);
 bool cosmoT_get(CTable *tbl, CValue key, CValue *val);
 bool cosmoT_remove(CState *state, CTable *tbl, CValue key);