private static void InfixOp(Compiler c, bool allowAssignment)
{
GrammarRule rule = c.GetRule(c._parser.Previous.Type);
// An infix operator cannot end an expression.
c.IgnoreNewlines();
// Compile the right-hand side.
c.ParsePrecedence(false, rule.Precedence + 1);
// Call the operator method on the left-hand side.
Signature signature = new Signature { Type = SignatureType.Method, Arity = 1, Name = rule.Name, Length = rule.Name.Length };
c.CallSignature(Instruction.Call0, signature);
}
// Unary operators like `-foo`.
private static void UnaryOp(Compiler c, bool allowAssignment)
{
GrammarRule rule = c.GetRule(c._parser.Previous.Type);
c.IgnoreNewlines();
// Compile the argument.
c.ParsePrecedence(false, Precedence.Unary + 1);
// Call the operator method on the left-hand side.
c.CallMethod(0, rule.Name);
}