head 1.2; access; symbols micropython-1-5-2-base:1.1.1.1 MICROPYTHON:1.1.1; locks; strict; comment @ * @; 1.2 date 2026.10.15.05.28.40; author agc; state dead; branches; next 1.1; commitid aHLdC1EGCUYk7xZG; 1.1 date 2016.01.14.01.38.50; author agc; state Exp; branches 1.1.1.1; next ; commitid Q8liT0v6zMF95QQy; 1.1.1.1 date 2016.01.14.01.38.50; author agc; state Exp; branches; next ; commitid Q8liT0v6zMF95QQy; desc @@ 1.2 log @Remove waaaay old micropython sources which haven't been relevant for 10 years @ text @/* * This file is part of the Micro Python project, http://micropython.org/ * * The MIT License (MIT) * * Copyright (c) 2013, 2014 Damien P. George * Copyright (c) 2014 Paul Sokolovsky * * 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 #include #include "py/nlr.h" #include "py/objtuple.h" #include "py/objfun.h" #include "py/runtime0.h" #include "py/runtime.h" #include "py/bc.h" #include "py/stackctrl.h" #if 0 // print debugging info #define DEBUG_PRINT (1) #else // don't print debugging info #define DEBUG_PRINT (0) #define DEBUG_printf(...) (void)0 #endif // Note: the "name" entry in mp_obj_type_t for a function type must be // MP_QSTR_function because it is used to determine if an object is of generic // function type. /******************************************************************************/ /* builtin functions */ // mp_obj_fun_builtin_t defined in obj.h STATIC mp_obj_t fun_builtin_call(mp_obj_t self_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) { assert(MP_OBJ_IS_TYPE(self_in, &mp_type_fun_builtin)); mp_obj_fun_builtin_t *self = MP_OBJ_TO_PTR(self_in); // check number of arguments mp_arg_check_num(n_args, n_kw, self->n_args_min, self->n_args_max, self->is_kw); if (self->is_kw) { // function allows keywords // we create a map directly from the given args array mp_map_t kw_args; mp_map_init_fixed_table(&kw_args, n_kw, args + n_args); return ((mp_fun_kw_t)self->fun)(n_args, args, &kw_args); } else if (self->n_args_min <= 3 && self->n_args_min == self->n_args_max) { // function requires a fixed number of arguments // dispatch function call switch (self->n_args_min) { case 0: return ((mp_fun_0_t)self->fun)(); case 1: return ((mp_fun_1_t)self->fun)(args[0]); case 2: return ((mp_fun_2_t)self->fun)(args[0], args[1]); case 3: default: return ((mp_fun_3_t)self->fun)(args[0], args[1], args[2]); } } else { // function takes a variable number of arguments, but no keywords return ((mp_fun_var_t)self->fun)(n_args, args); } } const mp_obj_type_t mp_type_fun_builtin = { { &mp_type_type }, .name = MP_QSTR_function, .call = fun_builtin_call, .unary_op = mp_generic_unary_op, }; /******************************************************************************/ /* byte code functions */ qstr mp_obj_code_get_name(const byte *code_info) { mp_decode_uint(&code_info); // skip code_info_size entry #if MICROPY_PERSISTENT_CODE return code_info[0] | (code_info[1] << 8); #else return mp_decode_uint(&code_info); #endif } #if MICROPY_EMIT_NATIVE STATIC const mp_obj_type_t mp_type_fun_native; #endif qstr mp_obj_fun_get_name(mp_const_obj_t fun_in) { const mp_obj_fun_bc_t *fun = MP_OBJ_TO_PTR(fun_in); #if MICROPY_EMIT_NATIVE if (fun->base.type == &mp_type_fun_native) { // TODO native functions don't have name stored return MP_QSTR_; } #endif const byte *bc = fun->bytecode; mp_decode_uint(&bc); // skip n_state mp_decode_uint(&bc); // skip n_exc_stack bc++; // skip scope_params bc++; // skip n_pos_args bc++; // skip n_kwonly_args bc++; // skip n_def_pos_args return mp_obj_code_get_name(bc); } #if MICROPY_CPYTHON_COMPAT STATIC void fun_bc_print(const mp_print_t *print, mp_obj_t o_in, mp_print_kind_t kind) { (void)kind; mp_obj_fun_bc_t *o = MP_OBJ_TO_PTR(o_in); mp_printf(print, "", mp_obj_fun_get_name(o_in), o); } #endif #if DEBUG_PRINT STATIC void dump_args(const mp_obj_t *a, mp_uint_t sz) { DEBUG_printf("%p: ", a); for (mp_uint_t i = 0; i < sz; i++) { DEBUG_printf("%p ", a[i]); } DEBUG_printf("\n"); } #else #define dump_args(...) (void)0 #endif // With this macro you can tune the maximum number of function state bytes // that will be allocated on the stack. Any function that needs more // than this will try to use the heap, with fallback to stack allocation. #define VM_MAX_STATE_ON_STACK (11 * sizeof(mp_uint_t)) // Set this to enable a simple stack overflow check. #define VM_DETECT_STACK_OVERFLOW (0) #if MICROPY_STACKLESS mp_code_state *mp_obj_fun_bc_prepare_codestate(mp_obj_t self_in, size_t n_args, size_t n_kw, const mp_obj_t *args) { MP_STACK_CHECK(); mp_obj_fun_bc_t *self = MP_OBJ_TO_PTR(self_in); // get start of bytecode const byte *ip = self->bytecode; // bytecode prelude: state size and exception stack size size_t n_state = mp_decode_uint(&ip); size_t n_exc_stack = mp_decode_uint(&ip); // allocate state for locals and stack size_t state_size = n_state * sizeof(mp_obj_t) + n_exc_stack * sizeof(mp_exc_stack_t); mp_code_state *code_state; code_state = m_new_obj_var_maybe(mp_code_state, byte, state_size); if (!code_state) { return NULL; } code_state->ip = (byte*)(ip - self->bytecode); // offset to after n_state/n_exc_stack code_state->n_state = n_state; mp_setup_code_state(code_state, self, n_args, n_kw, args); // execute the byte code with the correct globals context code_state->old_globals = mp_globals_get(); mp_globals_set(self->globals); return code_state; } #endif STATIC mp_obj_t fun_bc_call(mp_obj_t self_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) { MP_STACK_CHECK(); DEBUG_printf("Input n_args: " UINT_FMT ", n_kw: " UINT_FMT "\n", n_args, n_kw); DEBUG_printf("Input pos args: "); dump_args(args, n_args); DEBUG_printf("Input kw args: "); dump_args(args + n_args, n_kw * 2); mp_obj_fun_bc_t *self = MP_OBJ_TO_PTR(self_in); DEBUG_printf("Func n_def_args: %d\n", self->n_def_args); // get start of bytecode const byte *ip = self->bytecode; // bytecode prelude: state size and exception stack size mp_uint_t n_state = mp_decode_uint(&ip); mp_uint_t n_exc_stack = mp_decode_uint(&ip); #if VM_DETECT_STACK_OVERFLOW n_state += 1; #endif // allocate state for locals and stack mp_uint_t state_size = n_state * sizeof(mp_obj_t) + n_exc_stack * sizeof(mp_exc_stack_t); mp_code_state *code_state = NULL; if (state_size > VM_MAX_STATE_ON_STACK) { code_state = m_new_obj_var_maybe(mp_code_state, byte, state_size); } if (code_state == NULL) { code_state = alloca(sizeof(mp_code_state) + state_size); state_size = 0; // indicate that we allocated using alloca } code_state->ip = (byte*)(ip - self->bytecode); // offset to after n_state/n_exc_stack code_state->n_state = n_state; mp_setup_code_state(code_state, self, n_args, n_kw, args); // execute the byte code with the correct globals context code_state->old_globals = mp_globals_get(); mp_globals_set(self->globals); mp_vm_return_kind_t vm_return_kind = mp_execute_bytecode(code_state, MP_OBJ_NULL); mp_globals_set(code_state->old_globals); #if VM_DETECT_STACK_OVERFLOW if (vm_return_kind == MP_VM_RETURN_NORMAL) { if (code_state->sp < code_state->state) { printf("VM stack underflow: " INT_FMT "\n", code_state->sp - code_state->state); assert(0); } } // We can't check the case when an exception is returned in state[n_state - 1] // and there are no arguments, because in this case our detection slot may have // been overwritten by the returned exception (which is allowed). if (!(vm_return_kind == MP_VM_RETURN_EXCEPTION && self->n_pos_args + self->n_kwonly_args == 0)) { // Just check to see that we have at least 1 null object left in the state. bool overflow = true; for (mp_uint_t i = 0; i < n_state - self->n_pos_args - self->n_kwonly_args; i++) { if (code_state->state[i] == MP_OBJ_NULL) { overflow = false; break; } } if (overflow) { printf("VM stack overflow state=%p n_state+1=" UINT_FMT "\n", code_state->state, n_state); assert(0); } } #endif mp_obj_t result; switch (vm_return_kind) { case MP_VM_RETURN_NORMAL: // return value is in *sp result = *code_state->sp; break; case MP_VM_RETURN_EXCEPTION: // return value is in state[n_state - 1] result = code_state->state[n_state - 1]; break; case MP_VM_RETURN_YIELD: // byte-code shouldn't yield default: assert(0); result = mp_const_none; vm_return_kind = MP_VM_RETURN_NORMAL; break; } // free the state if it was allocated on the heap if (state_size != 0) { m_del_var(mp_code_state, byte, state_size, code_state); } if (vm_return_kind == MP_VM_RETURN_NORMAL) { return result; } else { // MP_VM_RETURN_EXCEPTION nlr_raise(result); } } #if MICROPY_PY_FUNCTION_ATTRS STATIC void fun_bc_attr(mp_obj_t self_in, qstr attr, mp_obj_t *dest) { if (dest[0] != MP_OBJ_NULL) { // not load attribute return; } if (attr == MP_QSTR___name__) { dest[0] = MP_OBJ_NEW_QSTR(mp_obj_fun_get_name(self_in)); } } #endif const mp_obj_type_t mp_type_fun_bc = { { &mp_type_type }, .name = MP_QSTR_function, #if MICROPY_CPYTHON_COMPAT .print = fun_bc_print, #endif .call = fun_bc_call, .unary_op = mp_generic_unary_op, #if MICROPY_PY_FUNCTION_ATTRS .attr = fun_bc_attr, #endif }; mp_obj_t mp_obj_new_fun_bc(mp_obj_t def_args_in, mp_obj_t def_kw_args, const byte *code, const mp_uint_t *const_table) { mp_uint_t n_def_args = 0; mp_uint_t n_extra_args = 0; mp_obj_tuple_t *def_args = MP_OBJ_TO_PTR(def_args_in); if (def_args_in != MP_OBJ_NULL) { assert(MP_OBJ_IS_TYPE(def_args_in, &mp_type_tuple)); n_def_args = def_args->len; n_extra_args = def_args->len; } if (def_kw_args != MP_OBJ_NULL) { n_extra_args += 1; } mp_obj_fun_bc_t *o = m_new_obj_var(mp_obj_fun_bc_t, mp_obj_t, n_extra_args); o->base.type = &mp_type_fun_bc; o->globals = mp_globals_get(); o->bytecode = code; o->const_table = const_table; if (def_args != NULL) { memcpy(o->extra_args, def_args->items, n_def_args * sizeof(mp_obj_t)); } if (def_kw_args != MP_OBJ_NULL) { o->extra_args[n_def_args] = def_kw_args; } return MP_OBJ_FROM_PTR(o); } /******************************************************************************/ /* native functions */ #if MICROPY_EMIT_NATIVE STATIC mp_obj_t fun_native_call(mp_obj_t self_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) { MP_STACK_CHECK(); mp_obj_fun_bc_t *self = self_in; mp_call_fun_t fun = MICROPY_MAKE_POINTER_CALLABLE((void*)self->bytecode); return fun(self_in, n_args, n_kw, args); } STATIC const mp_obj_type_t mp_type_fun_native = { { &mp_type_type }, .name = MP_QSTR_function, .call = fun_native_call, .unary_op = mp_generic_unary_op, }; mp_obj_t mp_obj_new_fun_native(mp_obj_t def_args_in, mp_obj_t def_kw_args, const void *fun_data, const mp_uint_t *const_table) { mp_obj_fun_bc_t *o = mp_obj_new_fun_bc(def_args_in, def_kw_args, (const byte*)fun_data, const_table); o->base.type = &mp_type_fun_native; return o; } #endif // MICROPY_EMIT_NATIVE /******************************************************************************/ /* viper functions */ #if MICROPY_EMIT_NATIVE typedef struct _mp_obj_fun_viper_t { mp_obj_base_t base; mp_uint_t n_args; void *fun_data; // GC must be able to trace this pointer mp_uint_t type_sig; } mp_obj_fun_viper_t; typedef mp_uint_t (*viper_fun_0_t)(void); typedef mp_uint_t (*viper_fun_1_t)(mp_uint_t); typedef mp_uint_t (*viper_fun_2_t)(mp_uint_t, mp_uint_t); typedef mp_uint_t (*viper_fun_3_t)(mp_uint_t, mp_uint_t, mp_uint_t); typedef mp_uint_t (*viper_fun_4_t)(mp_uint_t, mp_uint_t, mp_uint_t, mp_uint_t); STATIC mp_obj_t fun_viper_call(mp_obj_t self_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) { mp_obj_fun_viper_t *self = self_in; mp_arg_check_num(n_args, n_kw, self->n_args, self->n_args, false); void *fun = MICROPY_MAKE_POINTER_CALLABLE(self->fun_data); mp_uint_t ret; if (n_args == 0) { ret = ((viper_fun_0_t)fun)(); } else if (n_args == 1) { ret = ((viper_fun_1_t)fun)(mp_convert_obj_to_native(args[0], self->type_sig >> 2)); } else if (n_args == 2) { ret = ((viper_fun_2_t)fun)(mp_convert_obj_to_native(args[0], self->type_sig >> 2), mp_convert_obj_to_native(args[1], self->type_sig >> 4)); } else if (n_args == 3) { ret = ((viper_fun_3_t)fun)(mp_convert_obj_to_native(args[0], self->type_sig >> 2), mp_convert_obj_to_native(args[1], self->type_sig >> 4), mp_convert_obj_to_native(args[2], self->type_sig >> 6)); } else if (n_args == 4) { ret = ((viper_fun_4_t)fun)( mp_convert_obj_to_native(args[0], self->type_sig >> 2), mp_convert_obj_to_native(args[1], self->type_sig >> 4), mp_convert_obj_to_native(args[2], self->type_sig >> 6), mp_convert_obj_to_native(args[3], self->type_sig >> 8) ); } else { // TODO 5 or more arguments not supported for viper call assert(0); ret = 0; } return mp_convert_native_to_obj(ret, self->type_sig); } STATIC const mp_obj_type_t mp_type_fun_viper = { { &mp_type_type }, .name = MP_QSTR_function, .call = fun_viper_call, .unary_op = mp_generic_unary_op, }; mp_obj_t mp_obj_new_fun_viper(mp_uint_t n_args, void *fun_data, mp_uint_t type_sig) { mp_obj_fun_viper_t *o = m_new_obj(mp_obj_fun_viper_t); o->base.type = &mp_type_fun_viper; o->n_args = n_args; o->fun_data = fun_data; o->type_sig = type_sig; return o; } #endif // MICROPY_EMIT_NATIVE /******************************************************************************/ /* inline assembler functions */ #if MICROPY_EMIT_INLINE_THUMB typedef struct _mp_obj_fun_asm_t { mp_obj_base_t base; mp_uint_t n_args; void *fun_data; // GC must be able to trace this pointer } mp_obj_fun_asm_t; typedef mp_uint_t (*inline_asm_fun_0_t)(void); typedef mp_uint_t (*inline_asm_fun_1_t)(mp_uint_t); typedef mp_uint_t (*inline_asm_fun_2_t)(mp_uint_t, mp_uint_t); typedef mp_uint_t (*inline_asm_fun_3_t)(mp_uint_t, mp_uint_t, mp_uint_t); // convert a Micro Python object to a sensible value for inline asm STATIC mp_uint_t convert_obj_for_inline_asm(mp_obj_t obj) { // TODO for byte_array, pass pointer to the array if (MP_OBJ_IS_SMALL_INT(obj)) { return MP_OBJ_SMALL_INT_VALUE(obj); } else if (obj == mp_const_none) { return 0; } else if (obj == mp_const_false) { return 0; } else if (obj == mp_const_true) { return 1; } else if (MP_OBJ_IS_TYPE(obj, &mp_type_int)) { return mp_obj_int_get_truncated(obj); } else if (MP_OBJ_IS_STR(obj)) { // pointer to the string (it's probably constant though!) mp_uint_t l; return (mp_uint_t)mp_obj_str_get_data(obj, &l); } else { mp_obj_type_t *type = mp_obj_get_type(obj); if (0) { #if MICROPY_PY_BUILTINS_FLOAT } else if (type == &mp_type_float) { // convert float to int (could also pass in float registers) return (mp_int_t)mp_obj_float_get(obj); #endif } else if (type == &mp_type_tuple) { // pointer to start of tuple (could pass length, but then could use len(x) for that) mp_uint_t len; mp_obj_t *items; mp_obj_tuple_get(obj, &len, &items); return (mp_uint_t)items; } else if (type == &mp_type_list) { // pointer to start of list (could pass length, but then could use len(x) for that) mp_uint_t len; mp_obj_t *items; mp_obj_list_get(obj, &len, &items); return (mp_uint_t)items; } else { mp_buffer_info_t bufinfo; if (mp_get_buffer(obj, &bufinfo, MP_BUFFER_WRITE)) { // supports the buffer protocol, return a pointer to the data return (mp_uint_t)bufinfo.buf; } else { // just pass along a pointer to the object return (mp_uint_t)obj; } } } } // convert a return value from inline asm to a sensible Micro Python object STATIC mp_obj_t convert_val_from_inline_asm(mp_uint_t val) { return MP_OBJ_NEW_SMALL_INT(val); } STATIC mp_obj_t fun_asm_call(mp_obj_t self_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) { mp_obj_fun_asm_t *self = self_in; mp_arg_check_num(n_args, n_kw, self->n_args, self->n_args, false); void *fun = MICROPY_MAKE_POINTER_CALLABLE(self->fun_data); mp_uint_t ret; if (n_args == 0) { ret = ((inline_asm_fun_0_t)fun)(); } else if (n_args == 1) { ret = ((inline_asm_fun_1_t)fun)(convert_obj_for_inline_asm(args[0])); } else if (n_args == 2) { ret = ((inline_asm_fun_2_t)fun)(convert_obj_for_inline_asm(args[0]), convert_obj_for_inline_asm(args[1])); } else if (n_args == 3) { ret = ((inline_asm_fun_3_t)fun)(convert_obj_for_inline_asm(args[0]), convert_obj_for_inline_asm(args[1]), convert_obj_for_inline_asm(args[2])); } else { assert(0); ret = 0; } return convert_val_from_inline_asm(ret); } STATIC const mp_obj_type_t mp_type_fun_asm = { { &mp_type_type }, .name = MP_QSTR_function, .call = fun_asm_call, .unary_op = mp_generic_unary_op, }; mp_obj_t mp_obj_new_fun_asm(mp_uint_t n_args, void *fun_data) { mp_obj_fun_asm_t *o = m_new_obj(mp_obj_fun_asm_t); o->base.type = &mp_type_fun_asm; o->n_args = n_args; o->fun_data = fun_data; return o; } #endif // MICROPY_EMIT_INLINE_THUMB @ 1.1 log @Initial revision @ text @@ 1.1.1.1 log @Import micropython version 1.5.2 into othersrc. Micropython is a python3 implementation that has been optimised for micro-controllers and small embedded systems. It also has a "unix" port. It has an MIT license. This is version 1.5.2 of micropython. MicroPython implements the entire Python 3.4 syntax (including exceptions, "with", "yield from", etc.). The following core datatypes are provided: str (including basic Unicode support), bytes, bytearray, tuple, list, dict, set, frozenset, array.array, collections.namedtuple, classes and instances. Builtin modules include sys, time, and struct. Note that only subset of Python 3.4 functionality implemented for the data types and modules. This is the standard micropython source (version v1.5.2), which has been adapted to use reachover infrastructure. At the present time, libffi (from pkgsrc) is used. Alternative locations for libffi can be set using the PKGSRC_PREFIX definition to make. In the whole scheme of things, micropython is quite small: % size bin/micropython text data bss dec hex filename 393495 1624 2208 397327 6100f bin/micropython % and runs much as expected: % bin/micropython MicroPython v1.5.2 on 2016-01-13; linux version Use Ctrl-D to exit, Ctrl-E for paste mode >>> print("hello world") hello world >>> list(5 * x + y for x in range(10) for y in [4, 2, 1]) [4, 2, 1, 9, 7, 6, 14, 12, 11, 19, 17, 16, 24, 22, 21, 29, 27, 26, 34, 32, 31, 39, 37, 36, 44, 42, 41, 49, 47, 46] >>> % python2.7 Python 2.7.10 (default, Oct 17 2015, 17:55:29) [GCC 4.8.5] on netbsd7 Type "help", "copyright", "credits" or "license" for more information. >>> print("hello world") hello world >>> list(5 * x + y for x in range(10) for y in [4, 2, 1]) [4, 2, 1, 9, 7, 6, 14, 12, 11, 19, 17, 16, 24, 22, 21, 29, 27, 26, 34, 32, 31, 39, 37, 36, 44, 42, 41, 49, 47, 46] >>> ^D % This (reachover) version runs all the tests which the gmake version does. % make t cd bin && make t cd /home/agc/local/micropython/bin/../dist/unix/../tests && env MICROPY_MICROPYTHON=/home/agc/local/micropython/bin/micropython ./run-tests pass basics/0prelim.py pass basics/andor.py pass basics/array1.py pass basics/array_add.py pass basics/array_construct.py pass basics/array_construct2.py ... pass unix/ffi_callback.py pass unix/ffi_float.py pass unix/ffi_float2.py 474 tests performed (15812 individual testcases) 474 tests passed 5 tests skipped: cmd_showbc cmd_verbose machine1 machine_mem extra_coverage % The sources are available from github: https://github.com/micropython/micropython micropython release at: https://github.com/micropython/micropython/releases Sources for 1.5.2 taken from: https://github.com/micropython/micropython/archive/v1.5.2.tar.gz Alistair Crooks agc@@netbsd.org Wed Jan 13 17:15:30 PST 2016 @ text @@