void Parser::ExprTail(ExprRec& result) {
ExprRec leftOperand, rightOperand;
OpRec op;
switch (NextToken()) {
case PLUS_OP:
case MINUS_OP:
leftOperand.kind = result.kind;
leftOperand.ival = result.ival; /* Only allowed for */
leftOperand.s_fval = result.s_fval; /* INTs and FLOATs */
leftOperand.name = result.name;
leftOperand.var_type = result.var_type;
AddOp();
code.ProcessOp(op); /*** CODE ***/
Factor(rightOperand);
/*** CODE ***/
code.GenInfix(leftOperand, op, rightOperand, result);
ExprTail(result);
break;
case RSTAPLE:
case RBANANA:
case RMUSTACHE:
case SEMICOLON:
case COMMA:
case LT_OP:
case LE_OP:
case GT_OP:
case GE_OP:
case EQ_OP1:
case EQ_OP2:
case NE_OP:
break;
default:
SyntaxError(NextToken(), "Unknown ExpressionTail Symbol.");
}
}
void Parser::CondTail(OpRec& op, ExprRec& e) {
switch (NextToken()) {
case LT_OP:
case LE_OP:
case GT_OP:
case GE_OP:
case EQ_OP1:
case EQ_OP2:
case NE_OP:
RelOp();
code.ProcessOp(op);
Expression(e);
break;
case RBANANA:
case SEMICOLON:
break;
default:
SyntaxError(NextToken(), "CondTail");
}
}