circuitpython/unix-cpy/main.c
Damien George 08335004cf Add source file name and line number to error messages.
Byte code has a map from byte-code offset to source-code line number,
used to give better error messages.
2014-01-18 23:24:36 +00:00

82 lines
1.8 KiB
C

#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include "nlr.h"
#include "misc.h"
#include "mpconfig.h"
#include "lexer.h"
#include "lexerunix.h"
#include "parse.h"
#include "obj.h"
#include "compile.h"
#include "runtime0.h"
void do_file(const char *file) {
mp_lexer_t *lex = mp_lexer_new_from_file(file);
if (lex == NULL) {
return;
}
if (0) {
// just tokenise
while (!mp_lexer_is_kind(lex, MP_TOKEN_END)) {
mp_token_show(mp_lexer_cur(lex));
mp_lexer_to_next(lex);
}
mp_lexer_free(lex);
} else {
// parse
qstr parse_exc_id;
const char *parse_exc_msg;
mp_parse_node_t pn = mp_parse(lex, MP_PARSE_FILE_INPUT, &parse_exc_id, &parse_exc_msg);
if (pn == MP_PARSE_NODE_NULL) {
// parse error
mp_lexer_show_error_pythonic_prefix(lex);
printf("%s: %s\n", qstr_str(parse_exc_id), parse_exc_msg);
mp_lexer_free(lex);
return;
}
mp_lexer_free(lex);
if (pn != MP_PARSE_NODE_NULL) {
//printf("----------------\n");
//parse_node_show(pn, 0);
//printf("----------------\n");
// compile
mp_obj_t module_fun = mp_compile(pn, 0, false);
//printf("----------------\n");
if (module_fun == mp_const_none) {
printf("compile error\n");
}
}
}
}
int main(int argc, char **argv) {
qstr_init();
rt_init();
if (argc == 2) {
do_file(argv[1]);
} else {
printf("usage: py [<file>]\n");
return 1;
}
rt_deinit();
return 0;
}
// for sqrt
#include <math.h>
machine_float_t machine_sqrt(machine_float_t x) {
return sqrt(x);
}