private ParseContext(TokenTable <TToken> table)
{
if (table == null)
{
throw new ArgumentNullException(nameof(table));
}
TokenTable = table;
_sequenceChecks = new List <ParseBranch <TToken> >();
Environment = new ParseEnvironment();
}
internal ParseBranch(ParseContext <TToken> context, ParseEnvironment environment, string branchName, string assertName)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
Context = context;
BranchName = branchName;
AssertName = assertName;
Asserts = new List <AssertResult>();
Environment = environment;
}
public ParseEnvironment Clone(ParseEnvironment env)
{
if (env == null)
{
throw new ArgumentNullException(nameof(env));
}
env._environment.Clear();
foreach (var pair in _environment)
{
env._environment.Add(pair.Key, pair.Value);
}
return(env);
}
internal ParseRuleBranch(ParseBranch <TToken> branch, ParseEnvironment ruleEnvironment = null, bool skip = true)
{
_branch = branch;
_ruleEnvironment = ruleEnvironment;
_skip = skip;
}