py: Implement calling functions with *args in native emitter.
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@ -184,6 +184,7 @@ STATIC byte mp_f_n_args[MP_F_NUMBER_OF] = {
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[MP_F_MAKE_FUNCTION_FROM_RAW_CODE] = 3,
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[MP_F_NATIVE_CALL_FUNCTION_N_KW] = 3,
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[MP_F_CALL_METHOD_N_KW] = 3,
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[MP_F_CALL_METHOD_N_KW_VAR] = 3,
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[MP_F_GETITER] = 1,
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[MP_F_ITERNEXT] = 1,
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[MP_F_NLR_PUSH] = 1,
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@ -2189,13 +2190,12 @@ STATIC void emit_native_call_function(emit_t *emit, mp_uint_t n_positional, mp_u
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// TODO: in viper mode, call special runtime routine with type info for args,
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// and wanted type info for return, to remove need for boxing/unboxing
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assert(!star_flags);
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emit_native_pre(emit);
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vtype_kind_t vtype_fun = peek_vtype(emit, n_positional + 2 * n_keyword);
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if (vtype_fun == VTYPE_BUILTIN_CAST) {
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// casting operator
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assert(n_positional == 1 && n_keyword == 0);
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assert(!star_flags);
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DEBUG_printf(" cast to %d\n", vtype_fun);
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vtype_kind_t vtype_cast = peek_stack(emit, 1)->data.u_imm;
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switch (peek_vtype(emit, 0)) {
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@ -2221,22 +2221,49 @@ STATIC void emit_native_call_function(emit_t *emit, mp_uint_t n_positional, mp_u
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assert(!"TODO: convert obj to int");
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}
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} else {
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if (n_positional != 0 || n_keyword != 0) {
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emit_get_stack_pointer_to_reg_for_pop(emit, REG_ARG_3, n_positional + 2 * n_keyword); // pointer to args
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}
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emit_pre_pop_reg(emit, &vtype_fun, REG_ARG_1); // the function
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assert(vtype_fun == VTYPE_PYOBJ);
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emit_call_with_imm_arg(emit, MP_F_NATIVE_CALL_FUNCTION_N_KW, n_positional | (n_keyword << 8), REG_ARG_2);
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emit_post_push_reg(emit, VTYPE_PYOBJ, REG_RET);
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if (star_flags) {
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if (!(star_flags & MP_EMIT_STAR_FLAG_SINGLE)) {
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// load dummy entry for non-existent pos_seq
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emit_native_load_null(emit);
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emit_native_rot_two(emit);
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} else if (!(star_flags & MP_EMIT_STAR_FLAG_DOUBLE)) {
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// load dummy entry for non-existent kw_dict
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emit_native_load_null(emit);
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}
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emit_get_stack_pointer_to_reg_for_pop(emit, REG_ARG_3, n_positional + 2 * n_keyword + 3); // pointer to args
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emit_call_with_2_imm_args(emit, MP_F_CALL_METHOD_N_KW_VAR, 0, REG_ARG_1, n_positional | (n_keyword << 8), REG_ARG_2);
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emit_post_push_reg(emit, VTYPE_PYOBJ, REG_RET);
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} else {
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if (n_positional != 0 || n_keyword != 0) {
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emit_get_stack_pointer_to_reg_for_pop(emit, REG_ARG_3, n_positional + 2 * n_keyword); // pointer to args
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}
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emit_pre_pop_reg(emit, &vtype_fun, REG_ARG_1); // the function
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emit_call_with_imm_arg(emit, MP_F_NATIVE_CALL_FUNCTION_N_KW, n_positional | (n_keyword << 8), REG_ARG_2);
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emit_post_push_reg(emit, VTYPE_PYOBJ, REG_RET);
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}
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}
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}
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STATIC void emit_native_call_method(emit_t *emit, mp_uint_t n_positional, mp_uint_t n_keyword, mp_uint_t star_flags) {
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assert(!star_flags);
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emit_native_pre(emit);
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emit_get_stack_pointer_to_reg_for_pop(emit, REG_ARG_3, 2 + n_positional + 2 * n_keyword); // pointer to items, including meth and self
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emit_call_with_2_imm_args(emit, MP_F_CALL_METHOD_N_KW, n_positional, REG_ARG_1, n_keyword, REG_ARG_2);
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emit_post_push_reg(emit, VTYPE_PYOBJ, REG_RET);
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if (star_flags) {
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if (!(star_flags & MP_EMIT_STAR_FLAG_SINGLE)) {
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// load dummy entry for non-existent pos_seq
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emit_native_load_null(emit);
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emit_native_rot_two(emit);
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} else if (!(star_flags & MP_EMIT_STAR_FLAG_DOUBLE)) {
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// load dummy entry for non-existent kw_dict
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emit_native_load_null(emit);
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}
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emit_get_stack_pointer_to_reg_for_pop(emit, REG_ARG_3, n_positional + 2 * n_keyword + 4); // pointer to args
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emit_call_with_2_imm_args(emit, MP_F_CALL_METHOD_N_KW_VAR, 1, REG_ARG_1, n_positional | (n_keyword << 8), REG_ARG_2);
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emit_post_push_reg(emit, VTYPE_PYOBJ, REG_RET);
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} else {
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emit_native_pre(emit);
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emit_get_stack_pointer_to_reg_for_pop(emit, REG_ARG_3, 2 + n_positional + 2 * n_keyword); // pointer to items, including meth and self
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emit_call_with_2_imm_args(emit, MP_F_CALL_METHOD_N_KW, n_positional, REG_ARG_1, n_keyword, REG_ARG_2);
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emit_post_push_reg(emit, VTYPE_PYOBJ, REG_RET);
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}
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}
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STATIC void emit_native_return_value(emit_t *emit) {
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@ -117,6 +117,7 @@ void *const mp_fun_table[MP_F_NUMBER_OF] = {
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mp_make_function_from_raw_code,
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mp_native_call_function_n_kw,
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mp_call_method_n_kw,
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mp_call_method_n_kw_var,
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mp_getiter,
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mp_iternext,
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nlr_push,
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@ -133,6 +133,7 @@ typedef enum {
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MP_F_MAKE_FUNCTION_FROM_RAW_CODE,
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MP_F_NATIVE_CALL_FUNCTION_N_KW,
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MP_F_CALL_METHOD_N_KW,
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MP_F_CALL_METHOD_N_KW_VAR,
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MP_F_GETITER,
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MP_F_ITERNEXT,
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MP_F_NLR_PUSH,
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@ -160,7 +160,6 @@ def run_tests(pyb, tests, args):
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skip_tests.add('basics/boundmeth1.py') # requires support for many args
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skip_tests.add('basics/closure_manyvars.py') # requires closures
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skip_tests.add('float/string_format.py')
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skip_tests.add('float/cmath_fun.py') # requires f(*args) support
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skip_tests.add('import/gen_context.py')
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skip_tests.add('io/file_with.py')
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skip_tests.add('io/stringio_with.py')
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