/**
* Looks for the stuff that is allowed to be inside of parentheses
* either & or | followed by a list, or a terminal symbol.
*/
Exp * in_parens(Dictionary dict)
{
Exp * e;
if (is_equal(dict, '&') || (strcmp(token, "and")==0)) {
if (!link_advance(dict)) {
return NULL;
}
return operator_exp(dict, AND_type);
} else if (is_equal(dict, '|') || (strcmp(dict->token, "or")==0)) {
if (!link_advance(dict)) {
return NULL;
}
return operator_exp(dict, OR_type);
} else {
return expression(dict);
}
}
Exp * in_parens(Dictionary dict) {
/* looks for the stuff that is allowed to be inside of parentheses */
/* either & or | followed by a list, or a terminal symbol */
Exp * e;
if (is_equal(dict, L'&') || (wcscmp(token, L"and")==0)) {
if (!advance(dict)) {
return NULL;
}
return operator_exp(dict, AND_type);
} else if (is_equal(dict, L'|') || (wcscmp(dict->token, L"or")==0)) {
if (!advance(dict)) {
return NULL;
}
return operator_exp(dict, OR_type);
} else {
return expression(dict);
}
}
