private static void GenerateParserInternal(Options options)
{
Console.WriteLine(options.GetHeader());
Console.WriteLine();
Console.WriteLine("Generating parser for grammar '{0}' using template '{1}'.", Path.GetFileName(options.Grammar), Path.GetFileName(options.Template));
Console.WriteLine("Loading grammar...");
var grammarDefinition = File.ReadAllText(options.Grammar);
var parser = new BerpGrammar.Parser();
var ruleSet = parser.Parse(new TokenScanner(new StringReader(grammarDefinition)));
if (!string.IsNullOrWhiteSpace(options.SettingsOverride))
{
var overrides = options.SettingsOverride.Split(',');
foreach (var settingSpec in overrides)
{
var parts = settingSpec.Split('=');
var settingValue = parts[1].Trim();
if (settingValue.StartsWith("!"))
{
settingValue = File.ReadAllText(settingValue.TrimStart('!'));
}
ruleSet.Settings[parts[0].Trim()] = settingValue;
}
}
int tokenCount = ruleSet.Count(r => r is TokenRule);
Console.WriteLine("The grammar was loaded with {0} tokens and {1} rules.", tokenCount, ruleSet.Count() - tokenCount);
if (options.DiagnosticsMode)
{
Console.WriteLine(ruleSet.ToString(true));
Console.WriteLine("---------------");
}
Console.WriteLine("Calculating parser states...");
var states = StateCalculator.CalculateStates(ruleSet);
Console.WriteLine("{0} states calculated for the parser.", states.Count);
if (options.DiagnosticsMode)
{
foreach (var state in states.Values)
{
PrintStateTransitions(state);
PrintStateBranches(state.Branches, state.Id);
}
}
Console.WriteLine("Generating parser class...");
var generator = new Generator(ruleSet.Settings);
generator.Generate(options.Template, ruleSet, states, options.OutputFile);
}
private static void GenerateParserInternal(Options options)
{
Console.WriteLine(options.GetHeader());
Console.WriteLine();
Console.WriteLine("Generating parser for grammar '{0}' using template '{1}'.", Path.GetFileName(options.Grammar), Path.GetFileName(options.Template));
Console.WriteLine("Loading grammar...");
var grammarDefinition = File.ReadAllText(options.Grammar);
var parser = new BerpGrammar.Parser();
var ruleSet = parser.Parse(new TokenScanner(new StringReader(grammarDefinition)));
int tokenCount = ruleSet.Count(r => r is TokenRule);
Console.WriteLine("The grammar was loaded with {0} tokens and {1} rules.", tokenCount, ruleSet.Count() - tokenCount);
if (options.DiagnosticsMode)
{
Console.WriteLine(ruleSet.ToString(true));
Console.WriteLine("---------------");
}
Console.WriteLine("Calculating parser states...");
var states = StateCalculator.CalculateStates(ruleSet);
Console.WriteLine("{0} states calculated for the parser.", states.Count);
if (options.DiagnosticsMode)
{
foreach (var state in states.Values)
{
PrintStateTransitions(state);
PrintStateBranches(state.Branches, state.Id);
}
}
Console.WriteLine("Generating parser class...");
var generator = new Generator(ruleSet.GetSetting("Namespace", "ParserGen"), ruleSet.GetSetting("ClassName", "Parser"), ruleSet.GetSetting("TargetNamespace", (string)null), ruleSet.GetSetting("TargetClassName", "Ast"));
generator.Generate(options.Template, ruleSet, states, options.OutputFile);
}