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mpy-cross: Allow reading from stdin and writing to stdout.

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Signed-off-by: Armin Brauns <armin.brauns@embedded-solutions.at>
This commit is contained in:
Armin Brauns 2023-07-13 12:06:00 +00:00 committed by Damien George
parent 625e03d2dc
commit 6a61e4ecd1
1 changed files with 28 additions and 10 deletions
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20
mpy-cross/main.c
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@ -48,6 +48,14 @@ mp_uint_t mp_verbose_flag = 0;
// Make it larger on a 64 bit machine, because pointers are larger.
long heap_size = 1024 * 1024 * (sizeof(mp_uint_t) / 4);
STATIC void stdout_print_strn(void *env, const char *str, size_t len) {
(void)env;
ssize_t dummy = write(STDOUT_FILENO, str, len);
(void)dummy;
}
STATIC const mp_print_t mp_stdout_print = {NULL, stdout_print_strn};
STATIC void stderr_print_strn(void *env, const char *str, size_t len) {
(void)env;
ssize_t dummy = write(STDERR_FILENO, str, len);
@ -59,7 +67,12 @@ STATIC const mp_print_t mp_stderr_print = {NULL, stderr_print_strn};
STATIC int compile_and_save(const char *file, const char *output_file, const char *source_file) {
nlr_buf_t nlr;
if (nlr_push(&nlr) == 0) {
mp_lexer_t *lex = mp_lexer_new_from_file(file);
mp_lexer_t *lex;
if (strcmp(file, "-") == 0) {
lex = mp_lexer_new_from_fd(MP_QSTR__lt_stdin_gt_, STDIN_FILENO, false);
} else {
lex = mp_lexer_new_from_file(file);
}
qstr source_name;
if (source_file == NULL) {
@ -77,6 +90,9 @@ STATIC int compile_and_save(const char *file, const char *output_file, const cha
cm.context = m_new_obj(mp_module_context_t);
mp_compile_to_raw_code(&parse_tree, source_name, false, &cm);
if (output_file != NULL && strcmp(output_file, "-") == 0) {
mp_raw_code_save(&cm, (mp_print_t *)&mp_stdout_print);
} else {
vstr_t vstr;
vstr_init(&vstr, 16);
if (output_file == NULL) {
@ -86,8 +102,10 @@ STATIC int compile_and_save(const char *file, const char *output_file, const cha
} else {
vstr_add_str(&vstr, output_file);
}
mp_raw_code_save_file(&cm, vstr_null_terminated_str(&vstr));
vstr_clear(&vstr);
}
nlr_pop();
return 0;