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#include "parser.ih"
// return value: separating operator
void p_value(register Parser *pp, Term *term)
{
bool negative = false;
while (*term->text == '-') // skip unary minus operators
{
negative = !negative;
++term->text;
}
char *cp = strpbrk(term->text, "+-"); // find an operator
if (cp == 0) // not found
term->binop = 0;
else
{
term->binop = *cp; // save it for parser_value
*cp = 0; // end the text for p_compute
}
p_compute(pp, term);
if (negative) // negate a negative value
term->value = -term->value;
if (cp != 0) // found an operator
{
*cp = term->binop; // reset the operator
term->text = cp + 1; // next term starts beyond the binop
}
}
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