public override bool TryParse(TokenStack tokens, out GraphNode node)
{
if (tokens.ExpectAny(EnumMapping.Keys.ToArray()))
{
var token = tokens.Pop();
node = new Value(new[] { token }, EnumMapping[token.TokenType], token.Value);
return(true);
}
node = null;
return(false);
}
public override bool TryParse(TokenStack tokens, out GraphNode node)
{
if (tokens.ExpectAny(TokenType.SignedIntegerTypeKeyword, TokenType.UnsignedIntegerTypeKeyword, TokenType.BitfieldTypeKeyword, TokenType.BitTypeKeyword, TokenType.Identifier))
{
var token = tokens.Pop();
node = new TypeDeclaration(new [] { token }, token.Value);
return(true);
}
// TODO: syntax error
node = null;
return(false);
}
public override bool TryParse(TokenStack tokens, out GraphNode node)
{
if (tokens.Expect(TokenType.OpenKeyword))
{
var source = new List <Token>();
source.Add(tokens.Pop());
if (tokens.ExpectAny(TokenType.StringLiteral, TokenType.Identifier))
{
var valueToken = tokens.Pop();
source.Add(valueToken);
var value = new Value(new [] { valueToken }, valueToken.TokenType == TokenType.Identifier ? ValueType.Identifier : ValueType.String, valueToken.Value);
node = new OpenStatement(source, value);
return(true);
}
}
// TODO: syntax error
node = null;
return(false);
}