kopia lustrzana https://github.com/micropython/micropython
292 wiersze
9.8 KiB
C
292 wiersze
9.8 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013-2016 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.h>
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#include "py/mpstate.h"
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#include "py/compile.h"
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#include "py/runtime.h"
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#include "py/gc.h"
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#include "py/stackctrl.h"
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#ifdef _WIN32
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#include "windows/fmode.h"
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#endif
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// Command line options, with their defaults
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STATIC uint emit_opt = MP_EMIT_OPT_NONE;
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mp_uint_t mp_verbose_flag = 0;
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// Heap size of GC heap (if enabled)
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// Make it larger on a 64 bit machine, because pointers are larger.
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long heap_size = 1024*1024 * (sizeof(mp_uint_t) / 4);
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STATIC void stderr_print_strn(void *env, const char *str, mp_uint_t len) {
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(void)env;
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ssize_t dummy = write(STDERR_FILENO, str, len);
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(void)dummy;
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}
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STATIC const mp_print_t mp_stderr_print = {NULL, stderr_print_strn};
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STATIC int compile_and_save(const char *file, const char *output_file, const char *source_file) {
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mp_lexer_t *lex = mp_lexer_new_from_file(file);
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if (lex == NULL) {
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printf("could not open file '%s' for reading\n", file);
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return 1;
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}
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nlr_buf_t nlr;
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if (nlr_push(&nlr) == 0) {
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qstr source_name;
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if (source_file == NULL) {
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source_name = lex->source_name;
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} else {
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source_name = qstr_from_str(source_file);
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}
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#if MICROPY_PY___FILE__
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if (input_kind == MP_PARSE_FILE_INPUT) {
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mp_store_global(MP_QSTR___file__, MP_OBJ_NEW_QSTR(source_name));
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}
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#endif
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mp_parse_tree_t parse_tree = mp_parse(lex, MP_PARSE_FILE_INPUT);
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mp_raw_code_t *rc = mp_compile_to_raw_code(&parse_tree, source_name, emit_opt, false);
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vstr_t vstr;
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vstr_init(&vstr, 16);
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if (output_file == NULL) {
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vstr_add_str(&vstr, file);
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vstr_cut_tail_bytes(&vstr, 2);
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vstr_add_str(&vstr, "mpy");
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} else {
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vstr_add_str(&vstr, output_file);
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}
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mp_raw_code_save_file(rc, vstr_null_terminated_str(&vstr));
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vstr_clear(&vstr);
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nlr_pop();
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return 0;
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} else {
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// uncaught exception
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mp_obj_print_exception(&mp_stderr_print, (mp_obj_t)nlr.ret_val);
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return 1;
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}
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}
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STATIC int usage(char **argv) {
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printf(
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"usage: %s [<opts>] [-X <implopt>] <input filename>\n"
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"Options:\n"
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"-o : output file for compiled bytecode (defaults to input with .mpy extension)\n"
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"-s : source filename to embed in the compiled bytecode (defaults to input file)\n"
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"-v : verbose (trace various operations); can be multiple\n"
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"-O[N] : apply bytecode optimizations of level N\n"
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"\n"
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"Target specific options:\n"
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"-msmall-int-bits=number : set the maximum bits used to encode a small-int\n"
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"-mno-unicode : don't support unicode in compiled strings\n"
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"-mcache-lookup-bc : cache map lookups in the bytecode\n"
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"\n"
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"Implementation specific options:\n", argv[0]
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);
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int impl_opts_cnt = 0;
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printf(
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" emit={bytecode,native,viper} -- set the default code emitter\n"
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);
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impl_opts_cnt++;
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printf(
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" heapsize=<n> -- set the heap size for the GC (default %ld)\n"
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, heap_size);
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impl_opts_cnt++;
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if (impl_opts_cnt == 0) {
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printf(" (none)\n");
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}
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return 1;
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}
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// Process options which set interpreter init options
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STATIC void pre_process_options(int argc, char **argv) {
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for (int a = 1; a < argc; a++) {
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if (argv[a][0] == '-') {
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if (strcmp(argv[a], "-X") == 0) {
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if (a + 1 >= argc) {
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exit(usage(argv));
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}
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if (strcmp(argv[a + 1], "emit=bytecode") == 0) {
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emit_opt = MP_EMIT_OPT_BYTECODE;
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} else if (strcmp(argv[a + 1], "emit=native") == 0) {
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emit_opt = MP_EMIT_OPT_NATIVE_PYTHON;
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} else if (strcmp(argv[a + 1], "emit=viper") == 0) {
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emit_opt = MP_EMIT_OPT_VIPER;
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} else if (strncmp(argv[a + 1], "heapsize=", sizeof("heapsize=") - 1) == 0) {
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char *end;
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heap_size = strtol(argv[a + 1] + sizeof("heapsize=") - 1, &end, 0);
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// Don't bring unneeded libc dependencies like tolower()
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// If there's 'w' immediately after number, adjust it for
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// target word size. Note that it should be *before* size
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// suffix like K or M, to avoid confusion with kilowords,
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// etc. the size is still in bytes, just can be adjusted
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// for word size (taking 32bit as baseline).
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bool word_adjust = false;
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if ((*end | 0x20) == 'w') {
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word_adjust = true;
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end++;
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}
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if ((*end | 0x20) == 'k') {
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heap_size *= 1024;
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} else if ((*end | 0x20) == 'm') {
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heap_size *= 1024 * 1024;
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}
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if (word_adjust) {
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heap_size = heap_size * BYTES_PER_WORD / 4;
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}
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} else {
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exit(usage(argv));
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}
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a++;
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}
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}
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}
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}
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MP_NOINLINE int main_(int argc, char **argv) {
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mp_stack_set_limit(40000 * (BYTES_PER_WORD / 4));
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pre_process_options(argc, argv);
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char *heap = malloc(heap_size);
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gc_init(heap, heap + heap_size);
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mp_init();
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#ifdef _WIN32
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set_fmode_binary();
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#endif
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mp_obj_list_init(mp_sys_path, 0);
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mp_obj_list_init(mp_sys_argv, 0);
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// set default compiler configuration
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mp_dynamic_compiler.small_int_bits = 31;
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mp_dynamic_compiler.opt_cache_map_lookup_in_bytecode = 0;
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mp_dynamic_compiler.py_builtins_str_unicode = 1;
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const char *input_file = NULL;
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const char *output_file = NULL;
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const char *source_file = NULL;
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// parse main options
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for (int a = 1; a < argc; a++) {
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if (argv[a][0] == '-') {
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if (strcmp(argv[a], "-X") == 0) {
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a += 1;
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} else if (strcmp(argv[a], "-v") == 0) {
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mp_verbose_flag++;
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} else if (strncmp(argv[a], "-O", 2) == 0) {
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if (unichar_isdigit(argv[a][2])) {
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MP_STATE_VM(mp_optimise_value) = argv[a][2] & 0xf;
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} else {
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MP_STATE_VM(mp_optimise_value) = 0;
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for (char *p = argv[a] + 1; *p && *p == 'O'; p++, MP_STATE_VM(mp_optimise_value)++);
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}
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} else if (strcmp(argv[a], "-o") == 0) {
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if (a + 1 >= argc) {
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exit(usage(argv));
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}
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a += 1;
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output_file = argv[a];
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} else if (strcmp(argv[a], "-s") == 0) {
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if (a + 1 >= argc) {
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exit(usage(argv));
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}
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a += 1;
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source_file = argv[a];
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} else if (strncmp(argv[a], "-msmall-int-bits=", sizeof("-msmall-int-bits=") - 1) == 0) {
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char *end;
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mp_dynamic_compiler.small_int_bits =
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strtol(argv[a] + sizeof("-msmall-int-bits=") - 1, &end, 0);
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if (*end) {
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return usage(argv);
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}
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// TODO check that small_int_bits is within range of host's capabilities
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} else if (strcmp(argv[a], "-mno-cache-lookup-bc") == 0) {
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mp_dynamic_compiler.opt_cache_map_lookup_in_bytecode = 0;
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} else if (strcmp(argv[a], "-mcache-lookup-bc") == 0) {
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mp_dynamic_compiler.opt_cache_map_lookup_in_bytecode = 1;
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} else if (strcmp(argv[a], "-mno-unicode") == 0) {
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mp_dynamic_compiler.py_builtins_str_unicode = 0;
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} else if (strcmp(argv[a], "-municode") == 0) {
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mp_dynamic_compiler.py_builtins_str_unicode = 1;
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} else {
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return usage(argv);
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}
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} else {
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if (input_file != NULL) {
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mp_printf(&mp_stderr_print, "multiple input files\n");
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exit(1);
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}
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input_file = argv[a];
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}
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}
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if (input_file == NULL) {
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mp_printf(&mp_stderr_print, "no input file\n");
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exit(1);
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}
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int ret = compile_and_save(input_file, output_file, source_file);
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#if MICROPY_PY_MICROPYTHON_MEM_INFO
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if (mp_verbose_flag) {
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mp_micropython_mem_info(0, NULL);
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}
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#endif
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mp_deinit();
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return ret & 0xff;
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}
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int main(int argc, char **argv) {
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mp_stack_ctrl_init();
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return main_(argc, argv);
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}
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uint mp_import_stat(const char *path) {
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(void)path;
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return MP_IMPORT_STAT_NO_EXIST;
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}
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void nlr_jump_fail(void *val) {
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printf("FATAL: uncaught NLR %p\n", val);
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exit(1);
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}
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