py, unix: Allow to compile with -Wunused-parameter.

See issue #699.

extmod/modubinascii.c

@@ -35,6 +35,7 @@
 #if MICROPY_PY_UBINASCII
 
 STATIC mp_obj_t mod_binascii_hexlify(mp_uint_t n_args, const mp_obj_t *args) {
+    (void)n_args;
     mp_buffer_info_t bufinfo;
     mp_get_buffer_raise(args[0], &bufinfo, MP_BUFFER_READ);
 

extmod/moductypes.c

@@ -122,6 +122,7 @@ STATIC NORETURN void syntax_error(void) {
 }
 
 STATIC mp_obj_t uctypes_struct_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
+    (void)n_kw;
     if (n_args < 2 || n_args > 3) {
         syntax_error();
     }
@@ -137,6 +138,7 @@ STATIC mp_obj_t uctypes_struct_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_u
 }
 
 STATIC void uctypes_struct_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
+    (void)kind;
     mp_obj_uctypes_struct_t *self = self_in;
     const char *typen = "unk";
     if (MP_OBJ_IS_TYPE(self->desc, &mp_type_dict)) {

extmod/moduhashlib.c

@@ -71,6 +71,7 @@ STATIC mp_obj_t hash_digest(mp_obj_t self_in) {
 MP_DEFINE_CONST_FUN_OBJ_1(hash_digest_obj, hash_digest);
 
 STATIC mp_obj_t hash_hexdigest(mp_obj_t self_in) {
+    (void)self_in;
     mp_not_implemented("");
 #if 0
     mp_obj_hash_t *self = self_in;

extmod/modure.c

@@ -52,6 +52,7 @@ typedef struct _mp_obj_match_t {
 
 
 STATIC void match_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
+    (void)kind;
     mp_obj_match_t *self = self_in;
     print(env, "<match num=%d @%p>", self->num_matches);
 }
@@ -82,11 +83,13 @@ STATIC const mp_obj_type_t match_type = {
 };
 
 STATIC void re_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
+    (void)kind;
     mp_obj_re_t *self = self_in;
     print(env, "<re %p>", self);
 }
 
 STATIC mp_obj_t re_exec(bool is_anchored, uint n_args, const mp_obj_t *args) {
+    (void)n_args;
     mp_obj_re_t *self = args[0];
     Subject subj;
     mp_uint_t len;
@@ -192,6 +195,7 @@ STATIC mp_obj_t mod_re_compile(uint n_args, const mp_obj_t *args) {
 MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_re_compile_obj, 1, 2, mod_re_compile);
 
 STATIC mp_obj_t mod_re_exec(bool is_anchored, uint n_args, const mp_obj_t *args) {
+    (void)n_args;
     mp_obj_re_t *self = mod_re_compile(1, args);
 
     const mp_obj_t args2[] = {self, args[1]};

extmod/moduzlib.c

@@ -55,6 +55,7 @@ STATIC int mod_uzlib_grow_buf(TINF_DATA *d, unsigned alloc_req) {
 }
 
 STATIC mp_obj_t mod_uzlib_decompress(mp_uint_t n_args, const mp_obj_t *args) {
+    (void)n_args;
     mp_obj_t data = args[0];
     mp_buffer_info_t bufinfo;
     mp_get_buffer_raise(data, &bufinfo, MP_BUFFER_READ);

py/asmx86.c

@@ -145,6 +145,7 @@ void asm_x86_start_pass(asm_x86_t *as, mp_uint_t pass) {
 }
 
 void asm_x86_end_pass(asm_x86_t *as) {
+    (void)as;
 }
 
 // all functions must go through this one to emit bytes

py/builtinevex.c

@@ -75,6 +75,8 @@ STATIC mp_obj_t code_execute(mp_obj_code_t *self, mp_obj_t globals, mp_obj_t loc
 }
 
 STATIC mp_obj_t mp_builtin_compile(mp_uint_t n_args, const mp_obj_t *args) {
+    (void)n_args;
+
     // get the source
     mp_uint_t str_len;
     const char *str = mp_obj_str_get_data(args[0], &str_len);

py/compile.c

@@ -3210,6 +3210,9 @@ STATIC void check_for_doc_string(compiler_t *comp, mp_parse_node_t pn) {
                 EMIT_ARG(store_id, MP_QSTR___doc__);
         }
     }
+#else
+    (void)comp;
+    (void)pn;
 #endif
 }
 
@@ -3514,7 +3517,7 @@ STATIC void compile_scope_inline_asm(compiler_t *comp, scope_t *scope, pass_kind
 }
 #endif
 
-STATIC void compile_scope_compute_things(compiler_t *comp, scope_t *scope) {
+STATIC void scope_compute_things(scope_t *scope) {
 #if !MICROPY_EMIT_CPYTHON
     // in Micro Python we put the *x parameter after all other parameters (except **y)
     if (scope->scope_flags & MP_SCOPE_FLAG_VARARGS) {
@@ -3678,7 +3681,7 @@ mp_obj_t mp_compile(mp_parse_node_t pn, qstr source_file, uint emit_opt, bool is
 
     // compute some things related to scope and identifiers
     for (scope_t *s = comp->scope_head; s != NULL && comp->compile_error == MP_OBJ_NULL; s = s->next) {
-        compile_scope_compute_things(comp, s);
+        scope_compute_things(s);
     }
 
     // finish with pass 1

py/emitbc.c

@@ -268,6 +268,10 @@ STATIC void emit_write_bytecode_byte_signed_label(emit_t* emit, byte b1, mp_uint
 }
 
 STATIC void emit_bc_set_native_type(emit_t *emit, mp_uint_t op, mp_uint_t arg1, qstr arg2) {
+    (void)emit;
+    (void)op;
+    (void)arg1;
+    (void)arg2;
 }
 
 STATIC void emit_bc_start_pass(emit_t *emit, pass_kind_t pass, scope_t *scope) {
@@ -499,6 +503,7 @@ STATIC void emit_bc_load_null(emit_t *emit) {
 };
 
 STATIC void emit_bc_load_fast(emit_t *emit, qstr qst, mp_uint_t local_num) {
+    (void)qst;
     assert(local_num >= 0);
     emit_bc_pre(emit, 1);
     if (local_num <= 15) {
@@ -509,11 +514,13 @@ STATIC void emit_bc_load_fast(emit_t *emit, qstr qst, mp_uint_t local_num) {
 }
 
 STATIC void emit_bc_load_deref(emit_t *emit, qstr qst, mp_uint_t local_num) {
+    (void)qst;
     emit_bc_pre(emit, 1);
     emit_write_bytecode_byte_uint(emit, MP_BC_LOAD_DEREF, local_num);
 }
 
 STATIC void emit_bc_load_name(emit_t *emit, qstr qst) {
+    (void)qst;
     emit_bc_pre(emit, 1);
     emit_write_bytecode_byte_qstr(emit, MP_BC_LOAD_NAME, qst);
     if (MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE) {
@@ -522,6 +529,7 @@ STATIC void emit_bc_load_name(emit_t *emit, qstr qst) {
 }
 
 STATIC void emit_bc_load_global(emit_t *emit, qstr qst) {
+    (void)qst;
     emit_bc_pre(emit, 1);
     emit_write_bytecode_byte_qstr(emit, MP_BC_LOAD_GLOBAL, qst);
     if (MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE) {
@@ -553,6 +561,7 @@ STATIC void emit_bc_load_subscr(emit_t *emit) {
 }
 
 STATIC void emit_bc_store_fast(emit_t *emit, qstr qst, mp_uint_t local_num) {
+    (void)qst;
     assert(local_num >= 0);
     emit_bc_pre(emit, -1);
     if (local_num <= 15) {
@@ -563,6 +572,7 @@ STATIC void emit_bc_store_fast(emit_t *emit, qstr qst, mp_uint_t local_num) {
 }
 
 STATIC void emit_bc_store_deref(emit_t *emit, qstr qst, mp_uint_t local_num) {
+    (void)qst;
     emit_bc_pre(emit, -1);
     emit_write_bytecode_byte_uint(emit, MP_BC_STORE_DEREF, local_num);
 }
@@ -591,10 +601,12 @@ STATIC void emit_bc_store_subscr(emit_t *emit) {
 }
 
 STATIC void emit_bc_delete_fast(emit_t *emit, qstr qst, mp_uint_t local_num) {
+    (void)qst;
     emit_write_bytecode_byte_uint(emit, MP_BC_DELETE_FAST, local_num);
 }
 
 STATIC void emit_bc_delete_deref(emit_t *emit, qstr qst, mp_uint_t local_num) {
+    (void)qst;
     emit_write_bytecode_byte_uint(emit, MP_BC_DELETE_DEREF, local_num);
 }
 

py/emitglue.c

@@ -92,6 +92,8 @@ void mp_emit_glue_assign_native(mp_raw_code_t *rc, mp_raw_code_kind_t kind, void
     fwrite(fun_data, fun_len, 1, fp_write_code);
     fclose(fp_write_code);
 #endif
+#else
+    (void)fun_len;
 #endif
 }
 #endif

py/emitnative.c

@@ -740,6 +740,8 @@ STATIC void emit_native_adjust_stack_size(emit_t *emit, mp_int_t delta) {
 }
 
 STATIC void emit_native_set_source_line(emit_t *emit, mp_uint_t source_line) {
+    (void)emit;
+    (void)source_line;
 }
 
 /*
@@ -905,6 +907,7 @@ STATIC void emit_pre_pop_reg_reg_reg(emit_t *emit, vtype_kind_t *vtypea, int reg
 }
 
 STATIC void emit_post(emit_t *emit) {
+    (void)emit;
 }
 
 STATIC void emit_post_top_set_vtype(emit_t *emit, vtype_kind_t new_vtype) {
@@ -1247,6 +1250,9 @@ STATIC void emit_native_load_fast(emit_t *emit, qstr qst, mp_uint_t local_num) {
 STATIC void emit_native_load_deref(emit_t *emit, qstr qst, mp_uint_t local_num) {
     // not implemented
     // in principle could support this quite easily (ldr r0, [r0, #0]) and then get closed over variables!
+    (void)emit;
+    (void)qst;
+    (void)local_num;
     assert(0);
 }
 
@@ -1465,6 +1471,9 @@ STATIC void emit_native_store_fast(emit_t *emit, qstr qst, mp_uint_t local_num)
 
 STATIC void emit_native_store_deref(emit_t *emit, qstr qst, mp_uint_t local_num) {
     // not implemented
+    (void)emit;
+    (void)qst;
+    (void)local_num;
     assert(0);
 }
 
@@ -1634,10 +1643,16 @@ STATIC void emit_native_delete_fast(emit_t *emit, qstr qst, mp_uint_t local_num)
     // local is automatically deleted for exception block "as" var, and the message
     // breaks tests.
     //mp_emitter_warning(emit->pass, "Native codegeneration doesn't support deleting local");
+    (void)emit;
+    (void)qst;
+    (void)local_num;
 }
 
 STATIC void emit_native_delete_deref(emit_t *emit, qstr qst, mp_uint_t local_num) {
     // TODO implement me!
+    (void)emit;
+    (void)qst;
+    (void)local_num;
 }
 
 STATIC void emit_native_delete_name(emit_t *emit, qstr qst) {
@@ -1711,7 +1726,7 @@ STATIC void emit_native_jump(emit_t *emit, mp_uint_t label) {
     emit_post(emit);
 }
 
-STATIC void emit_native_jump_helper(emit_t *emit, mp_uint_t label, bool pop) {
+STATIC void emit_native_jump_helper(emit_t *emit, bool pop) {
     vtype_kind_t vtype = peek_vtype(emit, 0);
     switch (vtype) {
         case VTYPE_PYOBJ:
@@ -1744,21 +1759,21 @@ STATIC void emit_native_jump_helper(emit_t *emit, mp_uint_t label, bool pop) {
 
 STATIC void emit_native_pop_jump_if_true(emit_t *emit, mp_uint_t label) {
     DEBUG_printf("pop_jump_if_true(label=" UINT_FMT ")\n", label);
-    emit_native_jump_helper(emit, label, true);
+    emit_native_jump_helper(emit, true);
     ASM_JUMP_IF_REG_NONZERO(emit->as, REG_RET, label);
     emit_post(emit);
 }
 
 STATIC void emit_native_pop_jump_if_false(emit_t *emit, mp_uint_t label) {
     DEBUG_printf("pop_jump_if_false(label=" UINT_FMT ")\n", label);
-    emit_native_jump_helper(emit, label, true);
+    emit_native_jump_helper(emit, true);
     ASM_JUMP_IF_REG_ZERO(emit->as, REG_RET, label);
     emit_post(emit);
 }
 
 STATIC void emit_native_jump_if_true_or_pop(emit_t *emit, mp_uint_t label) {
     DEBUG_printf("jump_if_true_or_pop(label=" UINT_FMT ")\n", label);
-    emit_native_jump_helper(emit, label, false);
+    emit_native_jump_helper(emit, false);
     ASM_JUMP_IF_REG_NONZERO(emit->as, REG_RET, label);
     adjust_stack(emit, -1);
     emit_post(emit);
@@ -1766,26 +1781,31 @@ STATIC void emit_native_jump_if_true_or_pop(emit_t *emit, mp_uint_t label) {
 
 STATIC void emit_native_jump_if_false_or_pop(emit_t *emit, mp_uint_t label) {
     DEBUG_printf("jump_if_false_or_pop(label=" UINT_FMT ")\n", label);
-    emit_native_jump_helper(emit, label, false);
+    emit_native_jump_helper(emit, false);
     ASM_JUMP_IF_REG_ZERO(emit->as, REG_RET, label);
     adjust_stack(emit, -1);
     emit_post(emit);
 }
 
 STATIC void emit_native_break_loop(emit_t *emit, mp_uint_t label, mp_uint_t except_depth) {
+    (void)except_depth;
     emit_native_jump(emit, label & ~MP_EMIT_BREAK_FROM_FOR); // TODO properly
 }
 
 STATIC void emit_native_continue_loop(emit_t *emit, mp_uint_t label, mp_uint_t except_depth) {
+    (void)except_depth;
     emit_native_jump(emit, label); // TODO properly
 }
 
 STATIC void emit_native_setup_with(emit_t *emit, mp_uint_t label) {
     // not supported, or could be with runtime call
+    (void)emit;
+    (void)label;
     assert(0);
 }
 
 STATIC void emit_native_with_cleanup(emit_t *emit) {
+    (void)emit;
     assert(0);
 }
 
@@ -1845,6 +1865,7 @@ STATIC void emit_native_pop_block(emit_t *emit) {
 }
 
 STATIC void emit_native_pop_except(emit_t *emit) {
+    (void)emit;
     /*
     emit_native_pre(emit);
     emit_call(emit, MP_F_NLR_POP);
@@ -2139,6 +2160,11 @@ STATIC void emit_native_make_function(emit_t *emit, scope_t *scope, mp_uint_t n_
 }
 
 STATIC void emit_native_make_closure(emit_t *emit, scope_t *scope, mp_uint_t n_closed_over, mp_uint_t n_pos_defaults, mp_uint_t n_kw_defaults) {
+    (void)emit;
+    (void)scope;
+    (void)n_closed_over;
+    (void)n_pos_defaults;
+    (void)n_kw_defaults;
     assert(0);
 }
 
@@ -2238,10 +2264,12 @@ STATIC void emit_native_raise_varargs(emit_t *emit, mp_uint_t n_args) {
 
 STATIC void emit_native_yield_value(emit_t *emit) {
     // not supported (for now)
+    (void)emit;
     assert(0);
 }
 STATIC void emit_native_yield_from(emit_t *emit) {
     // not supported (for now)
+    (void)emit;
     assert(0);
 }
 

py/emitpass1.c

@@ -42,6 +42,7 @@ void emit_pass1_free(emit_t *emit) {
 }
 
 STATIC void emit_pass1_dummy(emit_t *emit) {
+    (void)emit;
 }
 
 STATIC void emit_pass1_start_pass(emit_t *emit, pass_kind_t pass, scope_t *scope) {
@@ -50,9 +51,11 @@ STATIC void emit_pass1_start_pass(emit_t *emit, pass_kind_t pass, scope_t *scope
 }
 
 STATIC void emit_pass1_end_pass(emit_t *emit) {
+    (void)emit;
 }
 
 STATIC bool emit_pass1_last_emit_was_return_value(emit_t *emit) {
+    (void)emit;
     return false;
 }
 

py/modmicropython.c

@@ -54,6 +54,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_0(mp_micropython_mem_peak_obj, mp_micropython_mem
 #endif
 
 mp_obj_t mp_micropython_mem_info(mp_uint_t n_args, const mp_obj_t *args) {
+    (void)args;
 #if MICROPY_MEM_STATS
     printf("mem: total=" UINT_FMT ", current=" UINT_FMT ", peak=" UINT_FMT "\n",
         m_get_total_bytes_allocated(), m_get_current_bytes_allocated(), m_get_peak_bytes_allocated());
@@ -69,6 +70,8 @@ mp_obj_t mp_micropython_mem_info(mp_uint_t n_args, const mp_obj_t *args) {
         // arg given means dump gc allocation table
         gc_dump_alloc_table();
     }
+#else
+    (void)n_args;
 #endif
     return mp_const_none;
 }

py/mpz.c

@@ -198,10 +198,10 @@ STATIC mp_uint_t mpn_sub(mpz_dig_t *idig, const mpz_dig_t *jdig, mp_uint_t jlen,
 
 /* computes i = j & k
    returns number of digits in i
-   assumes enough memory in i; assumes normalised j, k; assumes jlen >= klen
+   assumes enough memory in i; assumes normalised j, k; assumes jlen >= klen (jlen argument not needed)
    can have i, j, k pointing to same memory
 */
-STATIC mp_uint_t mpn_and(mpz_dig_t *idig, const mpz_dig_t *jdig, mp_uint_t jlen, const mpz_dig_t *kdig, mp_uint_t klen) {
+STATIC mp_uint_t mpn_and(mpz_dig_t *idig, const mpz_dig_t *jdig, const mpz_dig_t *kdig, mp_uint_t klen) {
     mpz_dig_t *oidig = idig;
 
     for (; klen > 0; --klen, ++idig, ++jdig, ++kdig) {
@@ -1081,7 +1081,7 @@ void mpz_and_inpl(mpz_t *dest, const mpz_t *lhs, const mpz_t *rhs) {
             }
             // do the and'ing
             mpz_need_dig(dest, rhs->len);
-            dest->len = mpn_and(dest->dig, lhs->dig, lhs->len, rhs->dig, rhs->len);
+            dest->len = mpn_and(dest->dig, lhs->dig, rhs->dig, rhs->len);
             dest->neg = 0;
         } else {
             // TODO both args are negative

py/objarray.c

@@ -77,6 +77,7 @@ STATIC mp_int_t array_get_buffer(mp_obj_t o_in, mp_buffer_info_t *bufinfo, mp_ui
 
 #if MICROPY_PY_BUILTINS_BYTEARRAY || MICROPY_PY_ARRAY
 STATIC void array_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t o_in, mp_print_kind_t kind) {
+    (void)kind;
     mp_obj_array_t *o = o_in;
     if (o->typecode == BYTEARRAY_TYPECODE) {
         print(env, "bytearray(b");
@@ -168,6 +169,7 @@ STATIC mp_obj_t array_construct(char typecode, mp_obj_t initializer) {
 
 #if MICROPY_PY_ARRAY
 STATIC mp_obj_t array_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
+    (void)type_in;
     mp_arg_check_num(n_args, n_kw, 1, 2, false);
 
     // get typecode
@@ -186,6 +188,7 @@ STATIC mp_obj_t array_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_k
 
 #if MICROPY_PY_BUILTINS_BYTEARRAY
 STATIC mp_obj_t bytearray_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
+    (void)type_in;
     mp_arg_check_num(n_args, n_kw, 0, 1, false);
 
     if (n_args == 0) {

py/objbool.c

@@ -53,6 +53,7 @@ STATIC void bool_print(void (*print)(void *env, const char *fmt, ...), void *env
 }
 
 STATIC mp_obj_t bool_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
+    (void)type_in;
     mp_arg_check_num(n_args, n_kw, 0, 1, false);
 
     switch (n_args) {

py/objboundmeth.c

@@ -37,6 +37,7 @@ typedef struct _mp_obj_bound_meth_t {
 
 #if MICROPY_ERROR_REPORTING == MICROPY_ERROR_REPORTING_DETAILED
 STATIC void bound_meth_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t o_in, mp_print_kind_t kind) {
+    (void)kind;
     mp_obj_bound_meth_t *o = o_in;
     print(env, "<bound_method %p ", o);
     mp_obj_print_helper(print, env, o->self, PRINT_REPR);

py/objcell.c

@@ -43,6 +43,7 @@ void mp_obj_cell_set(mp_obj_t self_in, mp_obj_t obj) {
 
 #if MICROPY_ERROR_REPORTING == MICROPY_ERROR_REPORTING_DETAILED
 STATIC void cell_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t o_in, mp_print_kind_t kind) {
+    (void)kind;
     mp_obj_cell_t *o = o_in;
     print(env, "<cell %p ", o->obj);
     if (o->obj == MP_OBJ_NULL) {

py/objclosure.c

@@ -61,6 +61,7 @@ STATIC mp_obj_t closure_call(mp_obj_t self_in, mp_uint_t n_args, mp_uint_t n_kw,
 
 #if MICROPY_ERROR_REPORTING == MICROPY_ERROR_REPORTING_DETAILED
 STATIC void closure_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t o_in, mp_print_kind_t kind) {
+    (void)kind;
     mp_obj_closure_t *o = o_in;
     print(env, "<closure ");
     mp_obj_print_helper(print, env, o->fun, PRINT_REPR);

py/objcomplex.c

@@ -49,6 +49,7 @@ typedef struct _mp_obj_complex_t {
 } mp_obj_complex_t;
 
 STATIC void complex_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t o_in, mp_print_kind_t kind) {
+    (void)kind;
     mp_obj_complex_t *o = o_in;
 #if MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_FLOAT
     char buf[16];
@@ -76,6 +77,7 @@ STATIC void complex_print(void (*print)(void *env, const char *fmt, ...), void *
 }
 
 STATIC mp_obj_t complex_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
+    (void)type_in;
     mp_arg_check_num(n_args, n_kw, 0, 2, false);
 
     switch (n_args) {