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Allow read_return_character to parse UTF8 chars

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This commit is contained in:
Justin Ethier 2017-11-02 18:00:10 -04:00
parent 3aa2a159b7
commit bbe8fbb970
1 changed files with 17 additions and 3 deletions
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20
runtime.c
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@ -6118,9 +6118,23 @@ void _read_return_character(void *data, port_type *p)
char_type result = strtol(buf, NULL, 16);
return_thread_runnable(data, obj_char2obj(result));
} else {
char buf[31];
snprintf(buf, 30, "Unable to parse character %s", p->tok_buf);
_read_error(data, p, buf);
uint32_t state = CYC_UTF8_ACCEPT;
char_type codepoint;
uint8_t *s = (uint8_t *)p->tok_buf;
while(s) {
if (!Cyc_utf8_decode(&state, &codepoint, *s)) {
s++;
break;
}
s++;
}
if (state == CYC_UTF8_ACCEPT && *s == '\0') {
return_thread_runnable(data, obj_char2obj(codepoint));
} else {
char buf[31];
snprintf(buf, 30, "Unable to parse character %s", p->tok_buf);
_read_error(data, p, buf);
}
}
}