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py: Move native glue code from runtime.c to new file nativeglue.c. 

This way, the native glue code is only compiled if native code is
enabled (which makes complete sense; thanks to Paul Sokolovsky for
the idea).

Should fix issue #834.
This commit is contained in:
Damien George 2014-08-28 23:37:02 +01:00
parent 1ac6faa732
commit 110ba35980
3 changed files with 137 additions and 88 deletions
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136
py/nativeglue.c Normal file
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@ -0,0 +1,136 @@
/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2014 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include "mpconfig.h"
#include "nlr.h"
#include "misc.h"
#include "qstr.h"
#include "obj.h"
#include "runtime0.h"
#include "runtime.h"
#include "emitglue.h"
#if MICROPY_EMIT_NATIVE
#if 0 // print debugging info
#define DEBUG_printf DEBUG_printf
#else // don't print debugging info
#define DEBUG_printf(...) (void)0
#endif
// convert a Micro Python object to a valid native value based on type
mp_uint_t mp_convert_obj_to_native(mp_obj_t obj, mp_uint_t type) {
DEBUG_printf("mp_convert_obj_to_native(%p, " UINT_FMT ")\n", obj, type);
switch (type & 3) {
case MP_NATIVE_TYPE_OBJ: return (mp_uint_t)obj;
case MP_NATIVE_TYPE_BOOL:
case MP_NATIVE_TYPE_INT:
case MP_NATIVE_TYPE_UINT: return mp_obj_get_int(obj);
default: assert(0); return 0;
}
}
// convert a native value to a Micro Python object based on type
mp_obj_t mp_convert_native_to_obj(mp_uint_t val, mp_uint_t type) {
DEBUG_printf("mp_convert_native_to_obj(" UINT_FMT ", " UINT_FMT ")\n", val, type);
switch (type & 3) {
case MP_NATIVE_TYPE_OBJ: return (mp_obj_t)val;
case MP_NATIVE_TYPE_BOOL: return MP_BOOL(val);
case MP_NATIVE_TYPE_INT: return mp_obj_new_int(val);
case MP_NATIVE_TYPE_UINT: return mp_obj_new_int_from_uint(val);
default: assert(0); return mp_const_none;
}
}
// wrapper that accepts n_args and n_kw in one argument
// (native emitter can only pass at most 3 arguments to a function)
mp_obj_t mp_native_call_function_n_kw(mp_obj_t fun_in, uint n_args_kw, const mp_obj_t *args) {
return mp_call_function_n_kw(fun_in, n_args_kw & 0xff, (n_args_kw >> 8) & 0xff, args);
}
// wrapper that makes raise obj and raises it
NORETURN void mp_native_raise(mp_obj_t o) {
nlr_raise(mp_make_raise_obj(o));
}
// these must correspond to the respective enum in runtime0.h
void *const mp_fun_table[MP_F_NUMBER_OF] = {
mp_convert_obj_to_native,
mp_convert_native_to_obj,
mp_load_const_int,
mp_load_const_dec,
mp_load_const_str,
mp_load_const_bytes,
mp_load_name,
mp_load_global,
mp_load_build_class,
mp_load_attr,
mp_load_method,
mp_store_name,
mp_store_global,
mp_store_attr,
mp_obj_subscr,
mp_obj_is_true,
mp_unary_op,
mp_binary_op,
mp_obj_new_tuple,
mp_obj_new_list,
mp_obj_list_append,
mp_obj_new_dict,
mp_obj_dict_store,
#if MICROPY_PY_BUILTINS_SET
mp_obj_new_set,
mp_obj_set_store,
#endif
mp_make_function_from_raw_code,
mp_native_call_function_n_kw,
mp_call_method_n_kw,
mp_getiter,
mp_iternext,
nlr_push,
nlr_pop,
mp_native_raise,
mp_import_name,
mp_import_from,
mp_import_all,
#if MICROPY_PY_BUILTINS_SLICE
mp_obj_new_slice,
#endif
mp_unpack_sequence,
mp_unpack_ex,
};
/*
void mp_f_vector(mp_fun_kind_t fun_kind) {
(mp_f_table[fun_kind])();
}
*/
#endif // MICROPY_EMIT_NATIVE

1
py/py.mk
View File

@ -45,6 +45,7 @@ PY_O_BASENAME = \
parsenum.o \
emitglue.o \
runtime.o \
nativeglue.o \
stackctrl.o \
argcheck.o \
map.o \

88
py/runtime.c
View File

@ -1156,91 +1156,3 @@ void *m_malloc_fail(int num_bytes) {
NORETURN void mp_not_implemented(const char *msg) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_NotImplementedError, msg));
}
// convert a Micro Python object to a valid native value based on type
mp_uint_t mp_convert_obj_to_native(mp_obj_t obj, mp_uint_t type) {
DEBUG_printf("mp_convert_obj_to_native(%p, " UINT_FMT ")\n", obj, type);
switch (type & 3) {
case MP_NATIVE_TYPE_OBJ: return (mp_uint_t)obj;
case MP_NATIVE_TYPE_BOOL:
case MP_NATIVE_TYPE_INT:
case MP_NATIVE_TYPE_UINT: return mp_obj_get_int(obj);
default: assert(0); return 0;
}
}
// convert a native value to a Micro Python object based on type
mp_obj_t mp_convert_native_to_obj(mp_uint_t val, mp_uint_t type) {
DEBUG_printf("mp_convert_native_to_obj(" UINT_FMT ", " UINT_FMT ")\n", val, type);
switch (type & 3) {
case MP_NATIVE_TYPE_OBJ: return (mp_obj_t)val;
case MP_NATIVE_TYPE_BOOL: return MP_BOOL(val);
case MP_NATIVE_TYPE_INT: return mp_obj_new_int(val);
case MP_NATIVE_TYPE_UINT: return mp_obj_new_int_from_uint(val);
default: assert(0); return mp_const_none;
}
}
// wrapper that accepts n_args and n_kw in one argument
// (native emitter can only pass at most 3 arguments to a function)
mp_obj_t mp_native_call_function_n_kw(mp_obj_t fun_in, uint n_args_kw, const mp_obj_t *args) {
return mp_call_function_n_kw(fun_in, n_args_kw & 0xff, (n_args_kw >> 8) & 0xff, args);
}
// wrapper that makes raise obj and raises it
NORETURN void mp_native_raise(mp_obj_t o) {
nlr_raise(mp_make_raise_obj(o));
}
// these must correspond to the respective enum in runtime0.h
void *const mp_fun_table[MP_F_NUMBER_OF] = {
mp_convert_obj_to_native,
mp_convert_native_to_obj,
mp_load_const_int,
mp_load_const_dec,
mp_load_const_str,
mp_load_const_bytes,
mp_load_name,
mp_load_global,
mp_load_build_class,
mp_load_attr,
mp_load_method,
mp_store_name,
mp_store_global,
mp_store_attr,
mp_obj_subscr,
mp_obj_is_true,
mp_unary_op,
mp_binary_op,
mp_obj_new_tuple,
mp_obj_new_list,
mp_obj_list_append,
mp_obj_new_dict,
mp_obj_dict_store,
#if MICROPY_PY_BUILTINS_SET
mp_obj_new_set,
mp_obj_set_store,
#endif
mp_make_function_from_raw_code,
mp_native_call_function_n_kw,
mp_call_method_n_kw,
mp_getiter,
mp_iternext,
nlr_push,
nlr_pop,
mp_native_raise,
mp_import_name,
mp_import_from,
mp_import_all,
#if MICROPY_PY_BUILTINS_SLICE
mp_obj_new_slice,
#endif
mp_unpack_sequence,
mp_unpack_ex,
};
/*
void mp_f_vector(mp_fun_kind_t fun_kind) {
(mp_f_table[fun_kind])();
}
*/