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//#define XERR
#include "parser.ih"
SemVal Parser::shiftOrPrint(SemVal &lhs,
Opcode::Byte opcode, SemVal &rhs) const
{
if (lhs.type() & e_printMask) // lhs is a printf expression
{
if (opcode == Opcode::shl) // new printf argument:
return lhs.printfArg(rhs); // add it to lhs, and done.
// handle the >> operator:
if (lhs.nPrintfArgs() > 0) // printf has arguments: first
lhs = pushPrint(lhs); // handle the printf insertion
else // printf w/o arguments:
Error::msg(Error::PRINTF_OPCODE); // 'printf >>' is invalid
}
return lhs.binary(opcode, move(rhs)); // perform the >> operation
}
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