public DecGrammar(DecFile file)
{
CompileFile(file);
GrammarAction.Init();
InitNonTerminals();
}
public static void CompileDec(ParsedCommandOptions opts)
{
var Dec = new DecFile(@"C:\Users\yveem\source\repos\Redmond\TestDec.dec");
CompileSettings.InitSettings(Dec.SettingsLines);
var gram = new DecGrammar(Dec);
Console.WriteLine("Generating parsing table...");
ParseFile parseFile = new ParseFile(@"C:\Users\yveem\source\repos\Redmond\TestParse.parse");
parseFile.SetLexLines(Dec.LexLines);
parseFile.SetParseTableLines(gram.SerializeParsingTable());
parseFile.SetTokenIdLines(ProductionEntry.Register.Serialize());
parseFile.Save();
Console.WriteLine("Done!");
Console.Beep();
var parser = gram.GetParser();
var input = new MultiFileInputStream(new List <string>(new string[] { @"C:\Users\yveem\source\repos\Redmond\TestInput.txt" }));
//var input = GetAllCSFiles(@"C:\Users\yveem\source\repos\CompileTestProject");
TokenStream Input = new TokenStream(input, Dec.LexLines, new string(Enumerable.Range('\x1', 127).Select(i => (char)i).ToArray()));
parser.Parse(Input);
var tree = SyntaxTreeNode.CurrentNode;
Console.WriteLine(tree.ToTreeString());
Console.WriteLine("============\n");
new IntermediateGenerator(new ConsoleStream()).Start(tree);
Console.WriteLine("============\n");
}
private void CompileFile(DecFile file)
{
_tokenNames = new List <string>();
foreach (var line in file.TokenLines)
{
_tokenNames.AddRange(line.Split(' '));
}
var lines = file.GrammarLines;
int linesIndex = 0;
CompileGrammarHeader(lines, ref linesIndex);
string all = "";
while (linesIndex < lines.Length)
{
all += lines[linesIndex++];
}
all = all.Replace("\n", "").Replace("\t", " ");
string firstLhs = "";
int index = 0;
while (index < all.Length - 1)
{
string lhs = all.ReadUntil(ref index, c => c == ':').Trim();
index++;
all.ReadWhile(ref index, c => " \t".Contains(c));
List <string> prods = new List <string>();
string prod = "";
bool end = false;
while (index < all.Length && !end)
{
char c = all[index++];
switch (c)
{
case ';':
case '|':
if (prod.Length == 0)
{
prod = GrammarConstants.EmptyChar + "";
}
prods.Add(prod);
prod = "";
if (c == ';')
{
end = true;
}
break;
case '{':
index--;
prod += c + all.ReadUntilClosingBracket(ref index, '{', '}', true);
break;
case '\'':
string s = all.ReadUntil(ref index, c => c == '\'');
index++;
prod += '\'' + s + '\'';
break;
default:
prod += c;
break;
}
}
if (firstLhs == "")
{
firstLhs = lhs;
}
AddNonTerminal(new NonTerminal(this, lhs, prods.ToArray()));
}
startSymbol = new NonTerminal(this, "Start", firstLhs);
AddNonTerminal(startSymbol);
}
