enforced int->uint32 where possible. removed extra code found by -Wall

src/main/memory/sm_gc.c

@@ -27,7 +27,6 @@ sm_object *sm_move_to_new_heap(sm_heap *dest, sm_object *obj) {
   uint32_t   sizeOfObj = sm_sizeof(obj);
   sm_object *new_obj   = sm_realloc_at(dest, obj, sizeOfObj);
   // Overwrite the old object. sm_pointer objects
-  intptr_t endPoint = (intptr_t)obj + sizeOfObj;
   sm_new_pointer(dest, obj, new_obj);
   return new_obj;
 }

src/main/object/sm_array.c

@@ -125,7 +125,6 @@ uint32_t sm_ui8_array_contents_sprint(sm_array *array, char *buffer, bool fake)
 
 
 uint32_t sm_array_contents_sprint(sm_array *a, char *buffer, bool fake) {
-  uint32_t cursor = 0;
   switch (a->inner_type) {
   case SM_F64_TYPE: {
     return sm_f64_array_contents_sprint(a, buffer, fake);

src/main/object/sm_error.c

@@ -25,9 +25,9 @@ sm_error *sm_new_error(int title_len, char *title_str, int message_len, char *me
   new_error->source = sourceStr;
   new_error->line   = line;
   // Run the error handler if it exists
-  sm_cx   *scratch = *sm_global_lex_stack(NULL)->top;
-  sm_fun  *fun     = (sm_fun *)sm_cx_get_far(scratch, sm_new_symbol("_errHandler", 11));
-  sm_expr *sf      = sm_new_expr(SM_PARAM_LIST_EXPR, (sm_object *)new_error, NULL);
+  // sm_cx   *scratch = *sm_global_lex_stack(NULL)->top;
+  // sm_fun  *fun     = (sm_fun *)sm_cx_get_far(scratch, sm_new_symbol("_errHandler", 11));
+  // sm_expr *sf      = sm_new_expr(SM_PARAM_LIST_EXPR, (sm_object *)new_error, NULL);
   new_error->notes = NULL;
   return new_error;
 }

src/main/parser/sms.y

@@ -844,7 +844,6 @@ CONTEXT_LIST : '{' ASSOCIATION ';' ASSOCIATION {
   $$ = new_cx;
 }
 | CONTEXT_LIST ';' ASSOCIATION {
-  sm_string  *name   = ((sm_symbol *)sm_expr_get_arg($3, 0))->name;
   sm_object  *value  = (sm_object *)sm_expr_get_arg($3, 1);
   sm_cx_let($1,(sm_symbol*)sm_expr_get_arg($3,0),value);
   $$                 = $1;

src/main/sm_common.c

@@ -43,7 +43,6 @@ uint64_t sm_bytelength_parse(char *str, int length) {
     if (current_char == 0) {
       buffer[j] = 0;
       // If no unit is given, assume megabytes (m)
-      uint64_t l = atof(buffer) * 1024 * 1024;
       return (f64)atof(buffer) * 1024 * 1024;
     }
     if (sm_is_digit(current_char) || current_char == '.') {
@@ -87,8 +86,7 @@ int sm_sprint_fancy_bytelength(char *buffer, uint64_t bytelength) {
 
 // Reads a file into a string. If there is any issue, returns sms_false
 sm_string *sm_read_file(char *filePath, int filePathLen) {
-  sm_string *fname_str;
-  char      *fname_cstr = filePath;
+  char *fname_cstr = filePath;
   if (access(fname_cstr, F_OK) != 0) {
     printf("fileReadStrStr failed because the file, %s ,does not exist.\n", fname_cstr);
     return (sm_string *)sms_false;

src/main/sm_global.c

@@ -359,7 +359,6 @@ sm_string *sm_global_home_directory() {
 // Read only sm_string for home directory, or NULL
 sm_string *sm_global_hist_file() {
   static char hist_file_string_space[256];
-  sm_string  *str = (sm_string *)hist_file_string_space;
   if (!*hist_file_string_space) {
     sm_env     env = *sm_global_environment(NULL);
     sm_string *str = (sm_string *)hist_file_string_space;
@@ -373,7 +372,6 @@ sm_string *sm_global_hist_file() {
 // global version string
 sm_string *sms_global_version() {
   static char version_string_space[16 + sizeof(struct sm_string)];
-  sm_string  *str = (sm_string *)version_string_space;
   if (!*version_string_space) {
     sm_env     env = *sm_global_environment(NULL);
     sm_string *str = (sm_string *)version_string_space;

src/main/sm_init.c

@@ -36,7 +36,6 @@ void sm_init(sm_env *env, int num_args, char **argv) {
     env->mem_bytes = mem_bytes;
   // Using default history file
   if (!env->no_history_file && !env->history_file_len) {
-    char       history_path[256];
     sm_string *home_dir = sm_global_home_directory();
     if (home_dir) {
       sprintf(env->history_file, "%s/.sms_history", &home_dir->content);

src/main/terminal/sm_terminal.c

@@ -18,7 +18,6 @@ void add_keys(sm_cx *cx, sm_expr *keys, const char *buf, int buf_len, const char
   for (int i = 0; i < keys->size; i++) {
     sm_symbol *sym = (sm_symbol *)sm_expr_get_arg(keys, i);
     if (!strncmp(last_sym, &sym->name->content, MIN(last_sym_len, sym->name->size))) {
-      int completion_len = (sym->name->size) + buf_len;
       sm_strncpy(concat_space + buf_len - last_sym_len, &sym->name->content, sym->name->size);
       concat_space[buf_len + sym->name->size] = '\0';
       linenoiseAddCompletion(lc, concat_space);
@@ -94,7 +93,6 @@ sm_parse_result sm_terminal_prompt_linenoise() {
     escape_attempts = 0;
     int len         = strlen(line);
     linenoiseHistoryAdd(line);
-    char historyFilePath;
     if (!env->no_history_file)
       linenoiseHistorySave(env->history_file);
     int        outputLen = len + 1;