/// <summary>
/// ContextfreeGrammar compiler的工作过程。
/// </summary>
/// <param name="sourceCode"></param>
/// <param name="directory"></param>
/// <param name="grammarId"></param>
/// <returns></returns>
private static bool GetGrammar(string sourceCode,
string directory, string grammarId, out RegulationList grammar, out string errorInfo)
{
grammar = null;
errorInfo = string.Empty;
Console.WriteLine(" Get grammar from source code...");
var lexi = new ContextfreeGrammarLexicalAnalyzer();
TokenList tokenList = lexi.Analyze(sourceCode);
if (!tokenList.Check(out errorInfo))
{
return(false);
}
Console.WriteLine(" Dump {0}", grammarId + ".TokenList.log");
tokenList.Dump(Path.Combine(directory, grammarId + ".TokenList.log"));
var parser = new ContextfreeGrammarSyntaxParser();
SyntaxTree tree = parser.Parse(tokenList);
Console.WriteLine(" Dump {0}", grammarId + ".Tree.log");
tree.Dump(Path.Combine(directory, grammarId + ".Tree.log"));
grammar = tree.DumpGrammar();
Console.WriteLine(" Dump {0}", grammarId + ".FormatedGrammar.log");
grammar.Dump(Path.Combine(directory, grammarId + ".FormatedGrammar.log"));
return(true);
}