Fix type cast warnings

src/duk_api_stack.c

@@ -3735,7 +3735,7 @@ DUK_LOCAL duk_idx_t duk__push_c_function_raw(duk_context *ctx, duk_c_function fu
 	duk_hnativefunction *obj;
 	duk_idx_t ret;
 	duk_tval *tv_slot;
-	duk_uint16_t func_nargs;
+	duk_int16_t func_nargs;
 
 	DUK_ASSERT_CTX_VALID(ctx);
 
@@ -3747,7 +3747,7 @@ DUK_LOCAL duk_idx_t duk__push_c_function_raw(duk_context *ctx, duk_c_function fu
 		goto api_error;
 	}
 	if (nargs >= 0 && nargs < DUK_HNATIVEFUNCTION_NARGS_MAX) {
-		func_nargs = (duk_uint16_t) nargs;
+		func_nargs = (duk_int16_t) nargs;
 	} else if (nargs == DUK_VARARGS) {
 		func_nargs = DUK_HNATIVEFUNCTION_NARGS_VARARGS;
 	} else {

src/duk_bi_buffer.c

@@ -866,8 +866,8 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_constructor(duk_context *ctx) {
 			DUK_HBUFFER_INCREF(thr, h_val);
 			h_bufobj->offset = h_bufarg->offset + byte_offset;
 			h_bufobj->length = byte_length;
-			h_bufobj->shift = shift;
+			h_bufobj->shift = (duk_uint8_t) shift;
-			h_bufobj->elem_type = elem_type;
+			h_bufobj->elem_type = (duk_uint8_t) elem_type;
 			h_bufobj->is_view = 1;
 			DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufobj);
 
@@ -970,8 +970,8 @@ DUK_INTERNAL duk_ret_t duk_bi_typedarray_constructor(duk_context *ctx) {
 	DUK_HBUFFER_INCREF(thr, h_val);
 	DUK_ASSERT(h_bufobj->offset == 0);
 	h_bufobj->length = byte_length;
-	h_bufobj->shift = shift;
+	h_bufobj->shift = (duk_uint8_t) shift;
-	h_bufobj->elem_type = elem_type;
+	h_bufobj->elem_type = (duk_uint8_t) elem_type;
 	h_bufobj->is_view = 1;
 	DUK_ASSERT_HBUFFEROBJECT_VALID(h_bufobj);
 

src/duk_hobject.h

@@ -492,7 +492,7 @@
 		DUK_HOBJECT_E_GET_VALUE((heap), (h), (i)).a.set = (v); \
 	} while (0)
 #define DUK_HOBJECT_E_SET_FLAGS(heap,h,i,f)  do { \
-		DUK_HOBJECT_E_GET_FLAGS((heap), (h), (i)) = (f); \
+		DUK_HOBJECT_E_GET_FLAGS((heap), (h), (i)) = (duk_uint8_t) (f); \
 	} while (0)
 #define DUK_HOBJECT_A_SET_VALUE(heap,h,i,v)  do { \
 		DUK_HOBJECT_A_GET_VALUE((heap), (h), (i)) = (v); \

src/duk_js_compiler.c

@@ -920,8 +920,8 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
 	 */
 
 	DUK_ASSERT(func->temp_max >= 0);
-	h_res->nregs = func->temp_max;
+	h_res->nregs = (duk_uint16_t) func->temp_max;
-	h_res->nargs = duk_hobject_get_length(thr, func->h_argnames);
+	h_res->nargs = (duk_uint16_t) duk_hobject_get_length(thr, func->h_argnames);
 	DUK_ASSERT(h_res->nregs >= h_res->nargs);  /* pass2 allocation handles this */
 #if defined(DUK_USE_DEBUGGER_SUPPORT)
 	h_res->start_line = (duk_uint32_t) func->min_line;

src/duk_js_executor.c

@@ -476,7 +476,7 @@ DUK_LOCAL void duk__vm_arith_unary_op(duk_hthread *thr, duk_tval *tv_x, duk_idx_
 #endif
 }
 
-DUK_LOCAL void duk__vm_bitwise_not(duk_hthread *thr, duk_tval *tv_x, duk_small_uint_fast_t idx_z) {
+DUK_LOCAL void duk__vm_bitwise_not(duk_hthread *thr, duk_tval *tv_x, duk_uint_fast_t idx_z) {
 	/*
 	 *  E5 Section 11.4.8
 	 */

src/duk_numconv.c

@@ -1183,7 +1183,7 @@ DUK_LOCAL duk_small_int_t duk__dragon4_fixed_format_round(duk__numconv_stringify
 			DUK_DDD(DUK_DDDPRINT("digit before carry: %ld", (long) t));
 			if (++t < nc_ctx->B) {
 				DUK_DDD(DUK_DDDPRINT("rounding carry terminated"));
-				*p = t;
+				*p = (duk_uint8_t) t;
 				break;
 			}