private ExpressionOperationKind ConvertUnaryToOperationKind(TextSpan span)
{
switch (span.Text)
{
case "<":
return ExpressionOperationKind.LowByte;
case ">":
return ExpressionOperationKind.HighByte;
case "-":
return ExpressionOperationKind.UnaryMinus;
case ".NOT":
return ExpressionOperationKind.LogicalNot;
case ".DEF":
return ExpressionOperationKind.Def;
case ".REF":
return ExpressionOperationKind.Ref;
default:
throw new InvalidOperationException();
}
}
private ExpressionOperationKind ConvertToOperationKind(TextSpan span)
{
switch (span.Text)
{
case "=":
return ExpressionOperationKind.Equal;
case "<>":
return ExpressionOperationKind.NotEqual;
case "<":
return ExpressionOperationKind.SmallerThan;
case ">":
return ExpressionOperationKind.GreaterThan;
case "<=":
return ExpressionOperationKind.SmallerThanOrEqual;
case ">=":
return ExpressionOperationKind.GreaterThanOrEqual;
case "+":
return ExpressionOperationKind.Add;
case "-":
return ExpressionOperationKind.Sub;
case "*":
return ExpressionOperationKind.Mult;
case "/":
return ExpressionOperationKind.Div;
case "&":
return ExpressionOperationKind.BitwiseAnd;
case "!":
return ExpressionOperationKind.BitwiseOr;
case "^":
return ExpressionOperationKind.BitwiseXor;
case ".AND":
return ExpressionOperationKind.LogicalAnd;
case ".OR":
return ExpressionOperationKind.LogicalOr;
default:
throw new InvalidOperationException();
}
}
private string FormatResult(string label, TextSpan span)
{
return FormatResult(label, span.Text.Trim());
}
private void EmitTerminal(SyntaxNodeKind nodeKind, TextSpan span)
{
handler.EndNode(new ParserContext(nodeKind, span));
}