kopia lustrzana https://github.com/micropython/micropython
742 wiersze
25 KiB
C
742 wiersze
25 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2013, 2014 Damien P. George
|
|
* Copyright (c) 2014-2017 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 <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <stdarg.h>
|
|
#include <unistd.h>
|
|
#include <ctype.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/types.h>
|
|
#include <errno.h>
|
|
#include <signal.h>
|
|
|
|
#include "py/compile.h"
|
|
#include "py/runtime.h"
|
|
#include "py/builtin.h"
|
|
#include "py/repl.h"
|
|
#include "py/gc.h"
|
|
#include "py/stackctrl.h"
|
|
#include "py/mphal.h"
|
|
#include "py/mpthread.h"
|
|
#include "extmod/misc.h"
|
|
#include "extmod/vfs.h"
|
|
#include "extmod/vfs_posix.h"
|
|
#include "genhdr/mpversion.h"
|
|
#include "input.h"
|
|
|
|
// Command line options, with their defaults
|
|
STATIC bool compile_only = false;
|
|
STATIC uint emit_opt = MP_EMIT_OPT_NONE;
|
|
|
|
#if MICROPY_ENABLE_GC
|
|
// Heap size of GC heap (if enabled)
|
|
// Make it larger on a 64 bit machine, because pointers are larger.
|
|
long heap_size = 1024 * 1024 * (sizeof(mp_uint_t) / 4);
|
|
#endif
|
|
|
|
STATIC void stderr_print_strn(void *env, const char *str, size_t len) {
|
|
(void)env;
|
|
ssize_t ret;
|
|
MP_HAL_RETRY_SYSCALL(ret, write(STDERR_FILENO, str, len), {});
|
|
mp_uos_dupterm_tx_strn(str, len);
|
|
}
|
|
|
|
const mp_print_t mp_stderr_print = {NULL, stderr_print_strn};
|
|
|
|
#define FORCED_EXIT (0x100)
|
|
// If exc is SystemExit, return value where FORCED_EXIT bit set,
|
|
// and lower 8 bits are SystemExit value. For all other exceptions,
|
|
// return 1.
|
|
STATIC int handle_uncaught_exception(mp_obj_base_t *exc) {
|
|
// check for SystemExit
|
|
if (mp_obj_is_subclass_fast(MP_OBJ_FROM_PTR(exc->type), MP_OBJ_FROM_PTR(&mp_type_SystemExit))) {
|
|
// None is an exit value of 0; an int is its value; anything else is 1
|
|
mp_obj_t exit_val = mp_obj_exception_get_value(MP_OBJ_FROM_PTR(exc));
|
|
mp_int_t val = 0;
|
|
if (exit_val != mp_const_none && !mp_obj_get_int_maybe(exit_val, &val)) {
|
|
val = 1;
|
|
}
|
|
return FORCED_EXIT | (val & 255);
|
|
}
|
|
|
|
// Report all other exceptions
|
|
mp_obj_print_exception(&mp_stderr_print, MP_OBJ_FROM_PTR(exc));
|
|
return 1;
|
|
}
|
|
|
|
#define LEX_SRC_STR (1)
|
|
#define LEX_SRC_VSTR (2)
|
|
#define LEX_SRC_FILENAME (3)
|
|
#define LEX_SRC_STDIN (4)
|
|
|
|
// Returns standard error codes: 0 for success, 1 for all other errors,
|
|
// except if FORCED_EXIT bit is set then script raised SystemExit and the
|
|
// value of the exit is in the lower 8 bits of the return value
|
|
STATIC int execute_from_lexer(int source_kind, const void *source, mp_parse_input_kind_t input_kind, bool is_repl) {
|
|
mp_hal_set_interrupt_char(CHAR_CTRL_C);
|
|
|
|
nlr_buf_t nlr;
|
|
if (nlr_push(&nlr) == 0) {
|
|
// create lexer based on source kind
|
|
mp_lexer_t *lex;
|
|
if (source_kind == LEX_SRC_STR) {
|
|
const char *line = source;
|
|
lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, line, strlen(line), false);
|
|
} else if (source_kind == LEX_SRC_VSTR) {
|
|
const vstr_t *vstr = source;
|
|
lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, vstr->buf, vstr->len, false);
|
|
} else if (source_kind == LEX_SRC_FILENAME) {
|
|
lex = mp_lexer_new_from_file((const char *)source);
|
|
} else { // LEX_SRC_STDIN
|
|
lex = mp_lexer_new_from_fd(MP_QSTR__lt_stdin_gt_, 0, false);
|
|
}
|
|
|
|
qstr source_name = lex->source_name;
|
|
|
|
#if MICROPY_PY___FILE__
|
|
if (input_kind == MP_PARSE_FILE_INPUT) {
|
|
mp_store_global(MP_QSTR___file__, MP_OBJ_NEW_QSTR(source_name));
|
|
}
|
|
#endif
|
|
|
|
mp_parse_tree_t parse_tree = mp_parse(lex, input_kind);
|
|
|
|
#if defined(MICROPY_UNIX_COVERAGE)
|
|
// allow to print the parse tree in the coverage build
|
|
if (mp_verbose_flag >= 3) {
|
|
printf("----------------\n");
|
|
mp_parse_node_print(parse_tree.root, 0);
|
|
printf("----------------\n");
|
|
}
|
|
#endif
|
|
|
|
mp_obj_t module_fun = mp_compile(&parse_tree, source_name, is_repl);
|
|
|
|
if (!compile_only) {
|
|
// execute it
|
|
mp_call_function_0(module_fun);
|
|
}
|
|
|
|
mp_hal_set_interrupt_char(-1);
|
|
mp_handle_pending(true);
|
|
nlr_pop();
|
|
return 0;
|
|
|
|
} else {
|
|
// uncaught exception
|
|
mp_hal_set_interrupt_char(-1);
|
|
mp_handle_pending(false);
|
|
return handle_uncaught_exception(nlr.ret_val);
|
|
}
|
|
}
|
|
|
|
#if MICROPY_USE_READLINE == 1
|
|
#include "lib/mp-readline/readline.h"
|
|
#else
|
|
STATIC char *strjoin(const char *s1, int sep_char, const char *s2) {
|
|
int l1 = strlen(s1);
|
|
int l2 = strlen(s2);
|
|
char *s = malloc(l1 + l2 + 2);
|
|
memcpy(s, s1, l1);
|
|
if (sep_char != 0) {
|
|
s[l1] = sep_char;
|
|
l1 += 1;
|
|
}
|
|
memcpy(s + l1, s2, l2);
|
|
s[l1 + l2] = 0;
|
|
return s;
|
|
}
|
|
#endif
|
|
|
|
STATIC int do_repl(void) {
|
|
mp_hal_stdout_tx_str("MicroPython " MICROPY_GIT_TAG " on " MICROPY_BUILD_DATE "; "
|
|
MICROPY_PY_SYS_PLATFORM " version\nUse Ctrl-D to exit, Ctrl-E for paste mode\n");
|
|
|
|
#if MICROPY_USE_READLINE == 1
|
|
|
|
// use MicroPython supplied readline
|
|
|
|
vstr_t line;
|
|
vstr_init(&line, 16);
|
|
for (;;) {
|
|
mp_hal_stdio_mode_raw();
|
|
|
|
input_restart:
|
|
vstr_reset(&line);
|
|
int ret = readline(&line, ">>> ");
|
|
mp_parse_input_kind_t parse_input_kind = MP_PARSE_SINGLE_INPUT;
|
|
|
|
if (ret == CHAR_CTRL_C) {
|
|
// cancel input
|
|
mp_hal_stdout_tx_str("\r\n");
|
|
goto input_restart;
|
|
} else if (ret == CHAR_CTRL_D) {
|
|
// EOF
|
|
printf("\n");
|
|
mp_hal_stdio_mode_orig();
|
|
vstr_clear(&line);
|
|
return 0;
|
|
} else if (ret == CHAR_CTRL_E) {
|
|
// paste mode
|
|
mp_hal_stdout_tx_str("\npaste mode; Ctrl-C to cancel, Ctrl-D to finish\n=== ");
|
|
vstr_reset(&line);
|
|
for (;;) {
|
|
char c = mp_hal_stdin_rx_chr();
|
|
if (c == CHAR_CTRL_C) {
|
|
// cancel everything
|
|
mp_hal_stdout_tx_str("\n");
|
|
goto input_restart;
|
|
} else if (c == CHAR_CTRL_D) {
|
|
// end of input
|
|
mp_hal_stdout_tx_str("\n");
|
|
break;
|
|
} else {
|
|
// add char to buffer and echo
|
|
vstr_add_byte(&line, c);
|
|
if (c == '\r') {
|
|
mp_hal_stdout_tx_str("\n=== ");
|
|
} else {
|
|
mp_hal_stdout_tx_strn(&c, 1);
|
|
}
|
|
}
|
|
}
|
|
parse_input_kind = MP_PARSE_FILE_INPUT;
|
|
} else if (line.len == 0) {
|
|
if (ret != 0) {
|
|
printf("\n");
|
|
}
|
|
goto input_restart;
|
|
} else {
|
|
// got a line with non-zero length, see if it needs continuing
|
|
while (mp_repl_continue_with_input(vstr_null_terminated_str(&line))) {
|
|
vstr_add_byte(&line, '\n');
|
|
ret = readline(&line, "... ");
|
|
if (ret == CHAR_CTRL_C) {
|
|
// cancel everything
|
|
printf("\n");
|
|
goto input_restart;
|
|
} else if (ret == CHAR_CTRL_D) {
|
|
// stop entering compound statement
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
mp_hal_stdio_mode_orig();
|
|
|
|
ret = execute_from_lexer(LEX_SRC_VSTR, &line, parse_input_kind, true);
|
|
if (ret & FORCED_EXIT) {
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
#else
|
|
|
|
// use simple readline
|
|
|
|
for (;;) {
|
|
char *line = prompt(">>> ");
|
|
if (line == NULL) {
|
|
// EOF
|
|
return 0;
|
|
}
|
|
while (mp_repl_continue_with_input(line)) {
|
|
char *line2 = prompt("... ");
|
|
if (line2 == NULL) {
|
|
break;
|
|
}
|
|
char *line3 = strjoin(line, '\n', line2);
|
|
free(line);
|
|
free(line2);
|
|
line = line3;
|
|
}
|
|
|
|
int ret = execute_from_lexer(LEX_SRC_STR, line, MP_PARSE_SINGLE_INPUT, true);
|
|
if (ret & FORCED_EXIT) {
|
|
return ret;
|
|
}
|
|
free(line);
|
|
}
|
|
|
|
#endif
|
|
}
|
|
|
|
STATIC int do_file(const char *file) {
|
|
return execute_from_lexer(LEX_SRC_FILENAME, file, MP_PARSE_FILE_INPUT, false);
|
|
}
|
|
|
|
STATIC int do_str(const char *str) {
|
|
return execute_from_lexer(LEX_SRC_STR, str, MP_PARSE_FILE_INPUT, false);
|
|
}
|
|
|
|
STATIC void print_help(char **argv) {
|
|
printf(
|
|
"usage: %s [<opts>] [-X <implopt>] [-c <command> | -m <module> | <filename>]\n"
|
|
"Options:\n"
|
|
"-h : print this help message\n"
|
|
"-i : enable inspection via REPL after running command/module/file\n"
|
|
#if MICROPY_DEBUG_PRINTERS
|
|
"-v : verbose (trace various operations); can be multiple\n"
|
|
#endif
|
|
"-O[N] : apply bytecode optimizations of level N\n"
|
|
"\n"
|
|
"Implementation specific options (-X):\n", argv[0]
|
|
);
|
|
int impl_opts_cnt = 0;
|
|
printf(
|
|
" compile-only -- parse and compile only\n"
|
|
#if MICROPY_EMIT_NATIVE
|
|
" emit={bytecode,native,viper} -- set the default code emitter\n"
|
|
#else
|
|
" emit=bytecode -- set the default code emitter\n"
|
|
#endif
|
|
);
|
|
impl_opts_cnt++;
|
|
#if MICROPY_ENABLE_GC
|
|
printf(
|
|
" heapsize=<n>[w][K|M] -- set the heap size for the GC (default %ld)\n"
|
|
, heap_size);
|
|
impl_opts_cnt++;
|
|
#endif
|
|
|
|
if (impl_opts_cnt == 0) {
|
|
printf(" (none)\n");
|
|
}
|
|
}
|
|
|
|
STATIC int invalid_args(void) {
|
|
fprintf(stderr, "Invalid command line arguments. Use -h option for help.\n");
|
|
return 1;
|
|
}
|
|
|
|
// Process options which set interpreter init options
|
|
STATIC void pre_process_options(int argc, char **argv) {
|
|
for (int a = 1; a < argc; a++) {
|
|
if (argv[a][0] == '-') {
|
|
if (strcmp(argv[a], "-h") == 0) {
|
|
print_help(argv);
|
|
exit(0);
|
|
}
|
|
if (strcmp(argv[a], "-X") == 0) {
|
|
if (a + 1 >= argc) {
|
|
exit(invalid_args());
|
|
}
|
|
if (0) {
|
|
} else if (strcmp(argv[a + 1], "compile-only") == 0) {
|
|
compile_only = true;
|
|
} else if (strcmp(argv[a + 1], "emit=bytecode") == 0) {
|
|
emit_opt = MP_EMIT_OPT_BYTECODE;
|
|
#if MICROPY_EMIT_NATIVE
|
|
} else if (strcmp(argv[a + 1], "emit=native") == 0) {
|
|
emit_opt = MP_EMIT_OPT_NATIVE_PYTHON;
|
|
} else if (strcmp(argv[a + 1], "emit=viper") == 0) {
|
|
emit_opt = MP_EMIT_OPT_VIPER;
|
|
#endif
|
|
#if MICROPY_ENABLE_GC
|
|
} else if (strncmp(argv[a + 1], "heapsize=", sizeof("heapsize=") - 1) == 0) {
|
|
char *end;
|
|
heap_size = strtol(argv[a + 1] + sizeof("heapsize=") - 1, &end, 0);
|
|
// Don't bring unneeded libc dependencies like tolower()
|
|
// If there's 'w' immediately after number, adjust it for
|
|
// target word size. Note that it should be *before* size
|
|
// suffix like K or M, to avoid confusion with kilowords,
|
|
// etc. the size is still in bytes, just can be adjusted
|
|
// for word size (taking 32bit as baseline).
|
|
bool word_adjust = false;
|
|
if ((*end | 0x20) == 'w') {
|
|
word_adjust = true;
|
|
end++;
|
|
}
|
|
if ((*end | 0x20) == 'k') {
|
|
heap_size *= 1024;
|
|
} else if ((*end | 0x20) == 'm') {
|
|
heap_size *= 1024 * 1024;
|
|
} else {
|
|
// Compensate for ++ below
|
|
--end;
|
|
}
|
|
if (*++end != 0) {
|
|
goto invalid_arg;
|
|
}
|
|
if (word_adjust) {
|
|
heap_size = heap_size * BYTES_PER_WORD / 4;
|
|
}
|
|
// If requested size too small, we'll crash anyway
|
|
if (heap_size < 700) {
|
|
goto invalid_arg;
|
|
}
|
|
#endif
|
|
} else {
|
|
invalid_arg:
|
|
exit(invalid_args());
|
|
}
|
|
a++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
STATIC void set_sys_argv(char *argv[], int argc, int start_arg) {
|
|
for (int i = start_arg; i < argc; i++) {
|
|
mp_obj_list_append(mp_sys_argv, MP_OBJ_NEW_QSTR(qstr_from_str(argv[i])));
|
|
}
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
#define PATHLIST_SEP_CHAR ';'
|
|
#else
|
|
#define PATHLIST_SEP_CHAR ':'
|
|
#endif
|
|
|
|
MP_NOINLINE int main_(int argc, char **argv);
|
|
|
|
int main(int argc, char **argv) {
|
|
#if MICROPY_PY_THREAD
|
|
mp_thread_init();
|
|
#endif
|
|
// We should capture stack top ASAP after start, and it should be
|
|
// captured guaranteedly before any other stack variables are allocated.
|
|
// For this, actual main (renamed main_) should not be inlined into
|
|
// this function. main_() itself may have other functions inlined (with
|
|
// their own stack variables), that's why we need this main/main_ split.
|
|
mp_stack_ctrl_init();
|
|
return main_(argc, argv);
|
|
}
|
|
|
|
MP_NOINLINE int main_(int argc, char **argv) {
|
|
#ifdef SIGPIPE
|
|
// Do not raise SIGPIPE, instead return EPIPE. Otherwise, e.g. writing
|
|
// to peer-closed socket will lead to sudden termination of MicroPython
|
|
// process. SIGPIPE is particularly nasty, because unix shell doesn't
|
|
// print anything for it, so the above looks like completely sudden and
|
|
// silent termination for unknown reason. Ignoring SIGPIPE is also what
|
|
// CPython does. Note that this may lead to problems using MicroPython
|
|
// scripts as pipe filters, but again, that's what CPython does. So,
|
|
// scripts which want to follow unix shell pipe semantics (where SIGPIPE
|
|
// means "pipe was requested to terminate, it's not an error"), should
|
|
// catch EPIPE themselves.
|
|
signal(SIGPIPE, SIG_IGN);
|
|
#endif
|
|
|
|
mp_stack_set_limit(40000 * (BYTES_PER_WORD / 4));
|
|
|
|
pre_process_options(argc, argv);
|
|
|
|
#if MICROPY_ENABLE_GC
|
|
char *heap = malloc(heap_size);
|
|
gc_init(heap, heap + heap_size);
|
|
#endif
|
|
|
|
#if MICROPY_ENABLE_PYSTACK
|
|
static mp_obj_t pystack[1024];
|
|
mp_pystack_init(pystack, &pystack[MP_ARRAY_SIZE(pystack)]);
|
|
#endif
|
|
|
|
mp_init();
|
|
|
|
#if MICROPY_EMIT_NATIVE
|
|
// Set default emitter options
|
|
MP_STATE_VM(default_emit_opt) = emit_opt;
|
|
#else
|
|
(void)emit_opt;
|
|
#endif
|
|
|
|
#if MICROPY_VFS_POSIX
|
|
{
|
|
// Mount the host FS at the root of our internal VFS
|
|
mp_obj_t args[2] = {
|
|
mp_type_vfs_posix.make_new(&mp_type_vfs_posix, 0, 0, NULL),
|
|
MP_OBJ_NEW_QSTR(MP_QSTR__slash_),
|
|
};
|
|
mp_vfs_mount(2, args, (mp_map_t *)&mp_const_empty_map);
|
|
MP_STATE_VM(vfs_cur) = MP_STATE_VM(vfs_mount_table);
|
|
}
|
|
#endif
|
|
|
|
char *home = getenv("HOME");
|
|
char *path = getenv("MICROPYPATH");
|
|
if (path == NULL) {
|
|
#ifdef MICROPY_PY_SYS_PATH_DEFAULT
|
|
path = MICROPY_PY_SYS_PATH_DEFAULT;
|
|
#else
|
|
path = "~/.micropython/lib:/usr/lib/micropython";
|
|
#endif
|
|
}
|
|
size_t path_num = 1; // [0] is for current dir (or base dir of the script)
|
|
if (*path == PATHLIST_SEP_CHAR) {
|
|
path_num++;
|
|
}
|
|
for (char *p = path; p != NULL; p = strchr(p, PATHLIST_SEP_CHAR)) {
|
|
path_num++;
|
|
if (p != NULL) {
|
|
p++;
|
|
}
|
|
}
|
|
mp_obj_list_init(MP_OBJ_TO_PTR(mp_sys_path), path_num);
|
|
mp_obj_t *path_items;
|
|
mp_obj_list_get(mp_sys_path, &path_num, &path_items);
|
|
path_items[0] = MP_OBJ_NEW_QSTR(MP_QSTR_);
|
|
{
|
|
char *p = path;
|
|
for (mp_uint_t i = 1; i < path_num; i++) {
|
|
char *p1 = strchr(p, PATHLIST_SEP_CHAR);
|
|
if (p1 == NULL) {
|
|
p1 = p + strlen(p);
|
|
}
|
|
if (p[0] == '~' && p[1] == '/' && home != NULL) {
|
|
// Expand standalone ~ to $HOME
|
|
int home_l = strlen(home);
|
|
vstr_t vstr;
|
|
vstr_init(&vstr, home_l + (p1 - p - 1) + 1);
|
|
vstr_add_strn(&vstr, home, home_l);
|
|
vstr_add_strn(&vstr, p + 1, p1 - p - 1);
|
|
path_items[i] = mp_obj_new_str_from_vstr(&mp_type_str, &vstr);
|
|
} else {
|
|
path_items[i] = mp_obj_new_str_via_qstr(p, p1 - p);
|
|
}
|
|
p = p1 + 1;
|
|
}
|
|
}
|
|
|
|
mp_obj_list_init(MP_OBJ_TO_PTR(mp_sys_argv), 0);
|
|
|
|
#if defined(MICROPY_UNIX_COVERAGE)
|
|
{
|
|
MP_DECLARE_CONST_FUN_OBJ_0(extra_coverage_obj);
|
|
mp_store_global(QSTR_FROM_STR_STATIC("extra_coverage"), MP_OBJ_FROM_PTR(&extra_coverage_obj));
|
|
}
|
|
#endif
|
|
|
|
// Here is some example code to create a class and instance of that class.
|
|
// First is the Python, then the C code.
|
|
//
|
|
// class TestClass:
|
|
// pass
|
|
// test_obj = TestClass()
|
|
// test_obj.attr = 42
|
|
//
|
|
// mp_obj_t test_class_type, test_class_instance;
|
|
// test_class_type = mp_obj_new_type(QSTR_FROM_STR_STATIC("TestClass"), mp_const_empty_tuple, mp_obj_new_dict(0));
|
|
// mp_store_name(QSTR_FROM_STR_STATIC("test_obj"), test_class_instance = mp_call_function_0(test_class_type));
|
|
// mp_store_attr(test_class_instance, QSTR_FROM_STR_STATIC("attr"), mp_obj_new_int(42));
|
|
|
|
/*
|
|
printf("bytes:\n");
|
|
printf(" total %d\n", m_get_total_bytes_allocated());
|
|
printf(" cur %d\n", m_get_current_bytes_allocated());
|
|
printf(" peak %d\n", m_get_peak_bytes_allocated());
|
|
*/
|
|
|
|
const int NOTHING_EXECUTED = -2;
|
|
int ret = NOTHING_EXECUTED;
|
|
bool inspect = false;
|
|
for (int a = 1; a < argc; a++) {
|
|
if (argv[a][0] == '-') {
|
|
if (strcmp(argv[a], "-i") == 0) {
|
|
inspect = true;
|
|
} else if (strcmp(argv[a], "-c") == 0) {
|
|
if (a + 1 >= argc) {
|
|
return invalid_args();
|
|
}
|
|
ret = do_str(argv[a + 1]);
|
|
if (ret & FORCED_EXIT) {
|
|
break;
|
|
}
|
|
a += 1;
|
|
} else if (strcmp(argv[a], "-m") == 0) {
|
|
if (a + 1 >= argc) {
|
|
return invalid_args();
|
|
}
|
|
mp_obj_t import_args[4];
|
|
import_args[0] = mp_obj_new_str(argv[a + 1], strlen(argv[a + 1]));
|
|
import_args[1] = import_args[2] = mp_const_none;
|
|
// Ask __import__ to handle imported module specially - set its __name__
|
|
// to __main__, and also return this leaf module, not top-level package
|
|
// containing it.
|
|
import_args[3] = mp_const_false;
|
|
// TODO: https://docs.python.org/3/using/cmdline.html#cmdoption-m :
|
|
// "the first element of sys.argv will be the full path to
|
|
// the module file (while the module file is being located,
|
|
// the first element will be set to "-m")."
|
|
set_sys_argv(argv, argc, a + 1);
|
|
|
|
mp_obj_t mod;
|
|
nlr_buf_t nlr;
|
|
bool subpkg_tried = false;
|
|
|
|
reimport:
|
|
if (nlr_push(&nlr) == 0) {
|
|
mod = mp_builtin___import__(MP_ARRAY_SIZE(import_args), import_args);
|
|
nlr_pop();
|
|
} else {
|
|
// uncaught exception
|
|
return handle_uncaught_exception(nlr.ret_val) & 0xff;
|
|
}
|
|
|
|
if (mp_obj_is_package(mod) && !subpkg_tried) {
|
|
subpkg_tried = true;
|
|
vstr_t vstr;
|
|
int len = strlen(argv[a + 1]);
|
|
vstr_init(&vstr, len + sizeof(".__main__"));
|
|
vstr_add_strn(&vstr, argv[a + 1], len);
|
|
vstr_add_strn(&vstr, ".__main__", sizeof(".__main__") - 1);
|
|
import_args[0] = mp_obj_new_str_from_vstr(&mp_type_str, &vstr);
|
|
goto reimport;
|
|
}
|
|
|
|
ret = 0;
|
|
break;
|
|
} else if (strcmp(argv[a], "-X") == 0) {
|
|
a += 1;
|
|
#if MICROPY_DEBUG_PRINTERS
|
|
} else if (strcmp(argv[a], "-v") == 0) {
|
|
mp_verbose_flag++;
|
|
#endif
|
|
} else if (strncmp(argv[a], "-O", 2) == 0) {
|
|
if (unichar_isdigit(argv[a][2])) {
|
|
MP_STATE_VM(mp_optimise_value) = argv[a][2] & 0xf;
|
|
} else {
|
|
MP_STATE_VM(mp_optimise_value) = 0;
|
|
for (char *p = argv[a] + 1; *p && *p == 'O'; p++, MP_STATE_VM(mp_optimise_value)++) {;
|
|
}
|
|
}
|
|
} else {
|
|
return invalid_args();
|
|
}
|
|
} else {
|
|
char *pathbuf = malloc(PATH_MAX);
|
|
char *basedir = realpath(argv[a], pathbuf);
|
|
if (basedir == NULL) {
|
|
mp_printf(&mp_stderr_print, "%s: can't open file '%s': [Errno %d] %s\n", argv[0], argv[a], errno, strerror(errno));
|
|
// CPython exits with 2 in such case
|
|
ret = 2;
|
|
break;
|
|
}
|
|
|
|
// Set base dir of the script as first entry in sys.path
|
|
char *p = strrchr(basedir, '/');
|
|
path_items[0] = mp_obj_new_str_via_qstr(basedir, p - basedir);
|
|
free(pathbuf);
|
|
|
|
set_sys_argv(argv, argc, a);
|
|
ret = do_file(argv[a]);
|
|
break;
|
|
}
|
|
}
|
|
|
|
const char *inspect_env = getenv("MICROPYINSPECT");
|
|
if (inspect_env && inspect_env[0] != '\0') {
|
|
inspect = true;
|
|
}
|
|
if (ret == NOTHING_EXECUTED || inspect) {
|
|
if (isatty(0)) {
|
|
prompt_read_history();
|
|
ret = do_repl();
|
|
prompt_write_history();
|
|
} else {
|
|
ret = execute_from_lexer(LEX_SRC_STDIN, NULL, MP_PARSE_FILE_INPUT, false);
|
|
}
|
|
}
|
|
|
|
#if MICROPY_PY_SYS_SETTRACE
|
|
MP_STATE_THREAD(prof_trace_callback) = MP_OBJ_NULL;
|
|
#endif
|
|
|
|
#if MICROPY_PY_SYS_ATEXIT
|
|
// Beware, the sys.settrace callback should be disabled before running sys.atexit.
|
|
if (mp_obj_is_callable(MP_STATE_VM(sys_exitfunc))) {
|
|
mp_call_function_0(MP_STATE_VM(sys_exitfunc));
|
|
}
|
|
#endif
|
|
|
|
#if MICROPY_PY_MICROPYTHON_MEM_INFO
|
|
if (mp_verbose_flag) {
|
|
mp_micropython_mem_info(0, NULL);
|
|
}
|
|
#endif
|
|
|
|
#if MICROPY_PY_THREAD
|
|
mp_thread_deinit();
|
|
#endif
|
|
|
|
#if defined(MICROPY_UNIX_COVERAGE)
|
|
gc_sweep_all();
|
|
#endif
|
|
|
|
mp_deinit();
|
|
|
|
#if MICROPY_ENABLE_GC && !defined(NDEBUG)
|
|
// We don't really need to free memory since we are about to exit the
|
|
// process, but doing so helps to find memory leaks.
|
|
free(heap);
|
|
#endif
|
|
|
|
// printf("total bytes = %d\n", m_get_total_bytes_allocated());
|
|
return ret & 0xff;
|
|
}
|
|
|
|
#if !MICROPY_VFS
|
|
uint mp_import_stat(const char *path) {
|
|
struct stat st;
|
|
if (stat(path, &st) == 0) {
|
|
if (S_ISDIR(st.st_mode)) {
|
|
return MP_IMPORT_STAT_DIR;
|
|
} else if (S_ISREG(st.st_mode)) {
|
|
return MP_IMPORT_STAT_FILE;
|
|
}
|
|
}
|
|
return MP_IMPORT_STAT_NO_EXIST;
|
|
}
|
|
|
|
#if MICROPY_PY_IO
|
|
// Factory function for I/O stream classes, only needed if generic VFS subsystem isn't used.
|
|
// Note: buffering and encoding are currently ignored.
|
|
mp_obj_t mp_builtin_open(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kwargs) {
|
|
enum { ARG_file, ARG_mode };
|
|
STATIC const mp_arg_t allowed_args[] = {
|
|
{ MP_QSTR_file, MP_ARG_OBJ | MP_ARG_REQUIRED, {.u_rom_obj = MP_ROM_NONE} },
|
|
{ MP_QSTR_mode, MP_ARG_OBJ, {.u_obj = MP_OBJ_NEW_QSTR(MP_QSTR_r)} },
|
|
{ MP_QSTR_buffering, MP_ARG_INT, {.u_int = -1} },
|
|
{ MP_QSTR_encoding, MP_ARG_OBJ, {.u_rom_obj = MP_ROM_NONE} },
|
|
};
|
|
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
|
|
mp_arg_parse_all(n_args, pos_args, kwargs, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
|
|
return mp_vfs_posix_file_open(&mp_type_textio, args[ARG_file].u_obj, args[ARG_mode].u_obj);
|
|
}
|
|
MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);
|
|
#endif
|
|
#endif
|
|
|
|
void nlr_jump_fail(void *val) {
|
|
fprintf(stderr, "FATAL: uncaught NLR %p\n", val);
|
|
exit(1);
|
|
}
|