public static void Main(string[] args)
{
if (args.Length < 1)
{
Console.WriteLine("GSharp Compiler\r\nUsage: gsharp <file>");
}
else
{
ProgramArguments arguments = new ProgramArguments(); arguments.Parse(args);
try
{
GSharpModule module = GSharpModule.CompileModule(arguments.FilesToCompile[0]);
VirtualMachine vm = new VirtualMachine();
if (!module.HasAttribute("main"))
{
throw new Exception("Entry point 'main' not found.");
}
else
{
module.GetAttribute("main").Invoke(vm, ((GSharpMethod)module.GetAttribute("main")).ParameterCount == 0 ? null : new GSharpObject[] { new GSharpString(arguments.ArgumentsToProgram) });
}
}
catch (Exception ex)
{
Console.WriteLine("Unhandled Exception:\r\n" + ex.Message);
Environment.Exit(-1);
}
}
}
public GSharpModule CompileAst(Node ast)
{
GSharpModule module = new GSharpModule("");
ModuleCompiler compiler = new ModuleCompiler(symbolTable, module);
compiler.Visit(ast);
return(module);
}
public void Visit(Node node)
{
if (node is ClassDeclarationNode)
{
GSharpClass clazz = new GSharpClass(((ClassDeclarationNode)node).Name, CompileMethod(((ClassDeclarationNode)node).Constructor, true));
for (int i = 1; i < node.Children.Count; i++)
{
clazz.AddInstanceMethod(CompileMethod((FunctionDeclarationNode)node.Children[i], true));
}
module.SetAttribute(((ClassDeclarationNode)node).Name, clazz);
}
else if (node is CodeBlock)
{
VisitSubnodes(node);
}
else if (node is EnumDeclarationNode)
{
GSharpEnum ienum = new GSharpEnum();
foreach (string name in ((EnumDeclarationNode)node).Items.Keys)
{
ienum.AddItem(name, ((EnumDeclarationNode)node).Items[name]);
}
module.SetAttribute(((EnumDeclarationNode)node).Name, ienum);
}
else if (node is FunctionDeclarationNode)
{
module.AddMethod(CompileMethod((FunctionDeclarationNode)node, false));
}
else if (node is ScopeNode)
{
VisitSubnodes(node);
}
else if (node is UseNode)
{
GSharpModule import = GSharpModule.CompileModule(((UseNode)node).Module);
if (import != null)
{
module.SetAttribute(((UseNode)node).Module, import);
}
}
}
public ModuleCompiler(SymbolTable symbolTable, GSharpModule module)
{
this.symbolTable = symbolTable;
this.module = module;
}