public ModCompiler(DetailLogger log, SymbolTableWalker walker,
LLVMContextRef context, LLVMModuleRef module, LLVMBuilderRef builder)
{
this.log = log;
this.walker = walker;
this.context = context;
this.module = module;
this.builder = builder;
}
public Ast Parse(DetailLogger log, TokenList tokens, string fileName)
{
var state = new ParserState(log, tokens, fileName);
var ast = new Ast();
// TODO(kai): actually run a parser loop.
while (true)
{
//Console.WriteLine("Attempting to parse");
var node = state.ParseTopLevel();
if (node == null)
break;
ast.children.Add(node);
}
return ast;
}
/// <summary>
/// Returns a list of all tokens in the given file.
/// </summary>
/// <param name="fileName"></param>
/// <param name="encoding"></param>
/// <returns></returns>
public TokenList GetTokens(DetailLogger log, string fileName, Encoding encoding = null)
{
// TODO(kai): check that a file exists.
// also, just more error checking is a good idea.
var result = new List<Token>();
// Use a separate state so that this object itself can be used in multiple threads, hopefully.
var state = new LexerState(log, fileName, encoding);
while (true)
{
var token = state.GetToken();
// If no token was returned, just break.
// If errors happened, they should be addressed outside the lexer.
if (token == null)
break;
result.Add(token);
//Console.WriteLine(token);
}
return new TokenList(result);
}
public ScoreCompiler(DetailLogger log)
{
this.log = log;
}
public ModAnalyzer(DetailLogger log, SymbolTable symbols)
{
this.log = log;
this.symbols = symbols;
}
public TypeChecker(DetailLogger log)
{
this.log = log;
}
public TyChecker(DetailLogger log, SymbolTableWalker walker)
{
this.log = log;
this.walker = walker;
}
public TyResolver(DetailLogger log)
{
this.log = log;
}
public LexerState(DetailLogger log, string fileName, Encoding encoding)
{
this.log = log;
source = File.ReadAllText(this.fileName = fileName, encoding ?? Encoding.UTF8);
Advance();
}
public SemanticAnalyzer(DetailLogger log)
{
this.log = log;
}
public ParserState(DetailLogger log, TokenList tokens, string fileName)
{
this.log = log;
this.tokens = tokens;
this.fileName = fileName;
}
static void Main(string[] args)
{
// TODO(kai): parse out the args and do things
if (args.Length == 0)
{
Console.WriteLine("No file passed to compile.");
Wait();
return;
}
var filePath = args[0];
var dir = Path.GetDirectoryName(filePath);
var fileName = Path.GetFileNameWithoutExtension(filePath);
var log = new DetailLogger();
var lexer = new Lexer();
var tokens = lexer.GetTokens(log, filePath);
if (log.HasErrors)
{
Fail(log);
return;
}
var parser = new Parser();
var ast = parser.Parse(log, tokens, filePath);
if (log.HasErrors)
{
Fail(log);
return;
}
var writer = new AstWriter(Console.Out);
writer.Visit(ast);
var semantics = new SemanticAnalyzer(log);
var symbols = semantics.Analyze(ast);
if (log.HasErrors)
{
Fail(log);
return;
}
Console.WriteLine(symbols);
var tyChecker = new TypeChecker(log);
tyChecker.Check(ast, symbols);
if (log.HasErrors)
{
Fail(log);
return;
}
var compiler = new ScoreCompiler(log);
var module = compiler.Compile(fileName, ast, symbols);
if (log.HasErrors)
{
Fail(log);
return;
}
DumpModule(module);
var bcFilePath = Path.Combine(dir, fileName + ".bc");
WriteBitcodeToFile(module, bcFilePath);
/*
// Run the interpreter!
Console.WriteLine();
Console.WriteLine("Interpreting:");
var cmd = @"/c ..\..\..\..\TEST_FILES\lli.exe " + bcFilePath;
//Console.WriteLine(cmd);
var processInfo = new ProcessStartInfo("cmd.exe", cmd);
processInfo.CreateNoWindow = false;
processInfo.UseShellExecute = false;
processInfo.RedirectStandardOutput = true;
processInfo.RedirectStandardError = true;
var process = Process.Start(processInfo);
process.OutputDataReceived += (object sender, DataReceivedEventArgs e) =>
{
Console.WriteLine(e.Data);
};
process.BeginOutputReadLine();
process.WaitForExit();
//*/
Wait();
}
private static void Fail(DetailLogger log)
{
log.Print(Console.Out);
Console.WriteLine(Environment.NewLine + "Compilation failed.");
Console.ReadLine();
}