Cleanup unused-variable warnings

CMakeLists.txt

@@ -35,7 +35,6 @@ xcheck_add_c_compiler_flag(-Wno-implicit-fallthrough)
 xcheck_add_c_compiler_flag(-Wno-sign-compare)
 xcheck_add_c_compiler_flag(-Wno-missing-field-initializers)
 xcheck_add_c_compiler_flag(-Wno-unused-parameter)
-xcheck_add_c_compiler_flag(-Wno-unused-variable)
 xcheck_add_c_compiler_flag(-Wno-unused-but-set-variable)
 xcheck_add_c_compiler_flag(-Wno-array-bounds)
 xcheck_add_c_compiler_flag(-Wno-format-truncation)

quickjs.c

@@ -2188,15 +2188,13 @@ static inline void set_value(JSContext *ctx, JSValue *pval, JSValue new_val)
 
 void JS_SetClassProto(JSContext *ctx, JSClassID class_id, JSValue obj)
 {
-    JSRuntime *rt = ctx->rt;
-    assert(class_id < rt->class_count);
+    assert(class_id < ctx->rt->class_count);
     set_value(ctx, &ctx->class_proto[class_id], obj);
 }
 
 JSValue JS_GetClassProto(JSContext *ctx, JSClassID class_id)
 {
-    JSRuntime *rt = ctx->rt;
-    assert(class_id < rt->class_count);
+    assert(class_id < ctx->rt->class_count);
     return js_dup(ctx->class_proto[class_id]);
 }
 
@@ -11083,8 +11081,6 @@ static int js_ecvt(double d, int n_digits,
                    char dest[minimum_length(JS_ECVT_BUF_SIZE)],
                    size_t size, int *decpt)
 {
-    int i;
-
     if (n_digits == 0) {
         /* find the minimum number of digits (XXX: inefficient but simple) */
         // TODO(chqrlie) use direct method from quickjs-printf
@@ -11134,7 +11130,7 @@ static int js_ecvt(double d, int n_digits,
                 return n_digits;    /* truncate the 2 extra digits */
         }
         /* round up in the string */
-        for(i = n_digits;; i--) {
+        for(int i = n_digits;; i--) {
             /* ignore the locale specific decimal point */
             if (is_digit(dest[i])) {
                 if (dest[i]++ < '9')
@@ -11164,7 +11160,7 @@ static size_t js_fcvt(double d, int n_digits,
                       char dest[minimum_length(JS_FCVT_BUF_SIZE)], size_t size)
 {
 #if defined(FE_DOWNWARD) && defined(FE_TONEAREST)
-    int i, n1, n2;
+    int i, n1;
     /* generate 2 extra digits: 99% chances to avoid 2 calls */
     n1 = snprintf(dest, size, "%.*f", n_digits + 2, d) - 2;
     if (dest[n1] >= '5') {
@@ -11427,7 +11423,6 @@ done:
 JSValue JS_ToStringInternal(JSContext *ctx, JSValue val, BOOL is_ToPropertyKey)
 {
     uint32_t tag;
-    const char *str;
     char buf[32];
     size_t len;
 
@@ -12061,8 +12056,7 @@ static JSValue JS_CompactBigInt1(JSContext *ctx, JSValue val)
         return val; /* fail safe */
     bf_t *a = JS_GetBigInt(val);
     if (a->expn == BF_EXP_ZERO && a->sign) {
-        JSBigInt *p = JS_VALUE_GET_PTR(val);
-        assert(p->header.ref_count == 1);
+        assert(((JSBigInt*)JS_VALUE_GET_PTR(val))->header.ref_count == 1);
         a->sign = 0;
     }
     return val;
@@ -18830,7 +18824,6 @@ static __exception int js_parse_string(JSParseState *s, int sep,
             break;
         }
         if (c == '\\') {
-            const uint8_t *p0 = p;
             c = *p;
             switch(c) {
             case '\0':
@@ -27030,7 +27023,6 @@ static JSValue js_dynamic_import_job(JSContext *ctx,
     JSValue *resolving_funcs = argv;
     JSValue basename_val = argv[2];
     JSValue specifier = argv[3];
-    JSModuleDef *m;
     const char *basename = NULL, *filename;
     JSValue ret, err;
 
@@ -32962,11 +32954,10 @@ JSValue JS_EvalThis(JSContext *ctx, JSValue this_obj,
                     const char *input, size_t input_len,
                     const char *filename, int eval_flags)
 {
-    int eval_type = eval_flags & JS_EVAL_TYPE_MASK;
     JSValue ret;
 
-    assert(eval_type == JS_EVAL_TYPE_GLOBAL ||
-           eval_type == JS_EVAL_TYPE_MODULE);
+    assert((eval_flags & JS_EVAL_TYPE_MASK) == JS_EVAL_TYPE_GLOBAL ||
+           (eval_flags & JS_EVAL_TYPE_MASK) == JS_EVAL_TYPE_MODULE);
     ret = JS_EvalInternal(ctx, this_obj, input, input_len, filename,
                           eval_flags, -1);
     return ret;
@@ -34400,8 +34391,6 @@ static JSValue JS_ReadFunctionTag(BCReaderState *s)
     int idx, i, local_count, has_debug_info;
     int function_size, cpool_offset, byte_code_offset;
     int closure_var_offset, vardefs_offset;
-    uint32_t ic_len;
-    JSAtom atom;
 
     memset(&bc, 0, sizeof(bc));
     bc.header.ref_count = 1;
@@ -37659,8 +37648,6 @@ static JSValue js_array_at(JSContext *ctx, JSValue this_val,
 {
     JSValue obj, ret;
     int64_t len, idx;
-    JSValue *arrp;
-    uint32_t count;
 
     ret = JS_EXCEPTION;
     obj = JS_ToObject(ctx, this_val);
@@ -52250,7 +52237,6 @@ static JSValue js_atomics_wait(JSContext *ctx,
     int32_t v32;
     void *ptr;
     int64_t timeout;
-    struct timespec ts;
     JSAtomicsWaiter waiter_s, *waiter;
     int ret, size_log2, res;
     double d;