/// <summary>
/// Check if the next token matches the given type. If they match, take the token.
/// </summary>
public bool MatchAndTake(LoonyTokenType type)
{
var isMatch = Match(type);
if (isMatch)
Take();
return isMatch;
}
/// <summary>
/// Take a token from the stream. Throws an exception if the given type does not match the token type.
/// </summary>
public LoonyToken Take(LoonyTokenType type)
{
var token = Take();
if (token.Type != type)
throw new CompilerException(token, CompilerError.ExpectedButFound, type, token);
return token;
}
/// <summary>
/// Take a token from the stream. Throws an exception if the given type does not match the token type.
/// </summary>
public LoonyToken Take(LoonyTokenType type)
{
var token = Take();
if (token.Type != type)
{
throw new CompilerException(token, CompilerError.ExpectedButFound, type, token);
}
return(token);
}
/// <summary>
/// Check if the next token matches the given type. If they match, take the token.
/// </summary>
public bool MatchAndTake(LoonyTokenType type)
{
var isMatch = Match(type);
if (isMatch)
{
Take();
}
return(isMatch);
}
static void RegisterInfix(LoonyTokenType type, IInfixParselet parselet)
{
_infixParselets.Add(type, parselet);
}
static void RegisterPrefix(LoonyTokenType type, IPrefixParselet parselet)
{
_prefixParselets.Add(type, parselet);
}
static void RegisterStatement(LoonyTokenType type, IStatementParselet parselet)
{
_statementParselets.Add(type, parselet);
}
static void RegisterDeclaration(LoonyTokenType type, IDeclarationParselet parselet)
{
_declarationParselets.Add(type, parselet);
}
static void RegisterStatement(LoonyTokenType type, IStatementParselet parselet)
{
_statementParselets.Add(type, parselet);
}
static void RegisterPrefix(LoonyTokenType type, IPrefixParselet parselet)
{
_prefixParselets.Add(type, parselet);
}
static void RegisterInfix(LoonyTokenType type, IInfixParselet parselet)
{
_infixParselets.Add(type, parselet);
}
static void RegisterDeclaration(LoonyTokenType type, IDeclarationParselet parselet)
{
_declarationParselets.Add(type, parselet);
}
/// <summary>
/// Check if the next token matches the given type.
/// </summary>
public bool Match(LoonyTokenType type, int distance = 0)
{
return(Peek(distance).Type == type);
}
/// <summary>
/// Check if the next token matches the given type.
/// </summary>
public bool Match(LoonyTokenType type, int distance = 0)
{
return Peek(distance).Type == type;
}
