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py/parsenum: Provide detailed error for int parsing with escaped bytes. 

This patch adds more fine grained error message control for errors when
parsing integers (now has terse, normal and detailed).  When detailed is
enabled, the error now escapes bytes when printing them so they can be
more easily seen.
This commit is contained in:
Damien George 2015-10-01 17:06:13 +01:00
parent c4489a0543
commit 5f3c3ec5e6
1 changed files with 11 additions and 2 deletions
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13
py/parsenum.c
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@ -147,9 +147,18 @@ value_error:
mp_obj_t exc = mp_obj_new_exception_msg(&mp_type_ValueError,
"invalid syntax for integer");
raise_exc(exc, lex);
} else {
} else if (MICROPY_ERROR_REPORTING == MICROPY_ERROR_REPORTING_NORMAL) {
mp_obj_t exc = mp_obj_new_exception_msg_varg(&mp_type_ValueError,
"invalid syntax for integer with base %d: '%.*s'", base, top - str_val_start, str_val_start);
"invalid syntax for integer with base %d", base);
raise_exc(exc, lex);
} else {
vstr_t vstr;
mp_print_t print;
vstr_init_print(&vstr, 50, &print);
mp_printf(&print, "invalid syntax for integer with base %d: ", base);
mp_str_print_quoted(&print, str_val_start, top - str_val_start, true);
mp_obj_t exc = mp_obj_new_exception_arg1(&mp_type_ValueError,
mp_obj_new_str_from_vstr(&mp_type_str, &vstr));
raise_exc(exc, lex);
}
}