public SymbolTable Analyze(Ast ast)
{
var symbols = new SymbolTable();
ast.Accept(new ModAnalyzer(log, symbols));
// TODO(kai): Check that variABLES ACTUALLY EXIST
return symbols;
}
public void Visit(Ast node)
{
node.children.ForEach(child =>
{
WriteTabs();
child.Accept(this);
WriteLine();
});
}
public LLVMModuleRef Compile(string name, Ast ast, SymbolTable symbols)
{
var context = ContextCreate();
var module = ModuleCreateWithNameInContext(name, context);
var builder = CreateBuilderInContext(context);
var compiler = new ModCompiler(log, new SymbolTableWalker(symbols), context, module, builder);
ast.Accept(compiler);
return module;
}
public void Check(Ast ast, SymbolTable symbols)
{
var resolver = new TyResolver(log);
resolver.Resolve(ast, symbols);
if (log.HasErrors)
return;
var checker = new TyChecker(log, new SymbolTableWalker(symbols));
ast.Accept(checker);
}
public void Resolve(Ast ast, SymbolTable symbols)
{
walker = new SymbolTableWalker(symbols);
do
{
walker.Reset();
hasResolved = true;
ast.Accept(this);
}
while (!hasResolved);
}
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;
}
public void Visit(Ast node) =>
node.children.ForEach(child => child.Accept(this));