54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
#include <stdint.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include "misc.h"
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#include "mpconfig.h"
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#include "qstr.h"
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#include "lexer.h"
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#include "lexerunix.h"
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#if MICROPY_ENABLE_LEXER_UNIX
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mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
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int fd = open(filename, O_RDONLY);
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if (fd < 0) {
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return NULL;
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}
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uint size = lseek(fd, 0, SEEK_END);
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lseek(fd, 0, SEEK_SET);
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char *data = m_new(char, size);
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int read_size = read(fd, data, size);
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close(fd);
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if (read_size != size) {
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printf("error reading file %s\n", filename);
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m_del(char, data, size);
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return NULL;
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}
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return mp_lexer_new_from_str_len(qstr_from_str(filename), data, size, size);
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}
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/******************************************************************************/
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/* unix implementation of import */
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// TODO properly!
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static const char *import_base_dir = NULL;
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void mp_import_set_directory(const char *dir) {
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import_base_dir = dir;
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}
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mp_lexer_t *mp_import_open_file(qstr mod_name) {
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vstr_t *vstr = vstr_new();
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if (import_base_dir != NULL) {
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vstr_printf(vstr, "%s/", import_base_dir);
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}
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vstr_printf(vstr, "%s.py", qstr_str(mod_name));
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return mp_lexer_new_from_file(vstr_str(vstr)); // TODO does lexer need to copy the string? can we free it here?
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}
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#endif // MICROPY_ENABLE_LEXER_UNIX
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