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/*
R E T U R N S T . C
*/
#include "iccomp.h"
ESTRUC_ *return_stmnt(op, e)
E_TYPE_
op;
ESTRUC_
*e;
{
SYMBOL_
*last;
if (!test_type(e, e_code))
etoc(e);
last = &funtab.symbol[funtab.n_defined - 1];
if ((OPCODE_)op == op_ret) /* return opcode received */
{
if
(
!
(
( /* void if the union of */
last->var.type /* the type of the function */
| /* and the */
e->type /* type of the expression */
)
& /* intersected with */
ALLTYPES /* all types */
) /* is empty. */
)
{
gencode(e, op); /* generate the 'ret' opcode */
return (e); /* done */
}
if (!(test_type(e, last->var.type & ALLTYPES)))
semantic("Incorrect returntype for function '%s()'", last->name);
}
gencode(e, op_pop_reg);
gencode(e, op);
return (e);
}
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