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py/emitglue: Add mp_raw_code_load_mem to load raw-code from memory.

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Damien George 2015-11-20 12:44:20 +00:00
parent f148727b78
commit b5b1f2c527
2 changed files with 21 additions and 0 deletions
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20
py/emitglue.c
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@ -324,6 +324,26 @@ mp_raw_code_t *mp_raw_code_load(mp_reader_t *reader) {
return load_raw_code(reader);
}
typedef struct _mp_mem_reader_t {
const byte *cur;
const byte *end;
} mp_mem_reader_t;
STATIC mp_uint_t mp_mem_reader_next_byte(void *br_in) {
mp_mem_reader_t *br = br_in;
if (br->cur < br->end) {
return *br->cur++;
} else {
return (mp_uint_t)-1;
}
}
mp_raw_code_t *mp_raw_code_load_mem(const byte *buf, size_t len) {
mp_mem_reader_t mr = {buf, buf + len};
mp_reader_t reader = {&mr, mp_mem_reader_next_byte};
return mp_raw_code_load(&reader);
}
// here we define mp_raw_code_load_file depending on the port
// TODO abstract this away properly

1
py/emitglue.h
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@ -62,6 +62,7 @@ typedef struct _mp_reader_t {
} mp_reader_t;
mp_raw_code_t *mp_raw_code_load(mp_reader_t *reader);
mp_raw_code_t *mp_raw_code_load_mem(const byte *buf, size_t len);
mp_raw_code_t *mp_raw_code_load_file(const char *filename);
#endif