public override void DoVisit(AST_VarDecl ast)
{
//checking of there are default args
if (ast.is_func_arg && ast.children.Count > 0)
{
var fsymb = func_decls.Peek();
int symb_idx = (int)ast.symb_idx;
//let's take into account 'this' special case, which is
//stored at 0 idx and is not part of func args
//(which are stored in the very beginning)
if (fsymb.scope is ClassSymbol)
{
--symb_idx;
}
var arg_op = Emit(Opcodes.DefArg, new int[] { symb_idx - fsymb.GetRequiredArgsNum(), 0 /*patched later*/ });
VisitChildren(ast);
AddOffsetFromTo(arg_op, Peek(), operand_idx: 1);
}
if (!ast.is_func_arg)
{
Emit(Opcodes.DeclVar, new int[] { (int)ast.symb_idx, AddConstant(ast.type) });
}
//check if it's not a module scope var (global)
else if (func_decls.Count > 0)
{
if (ast.is_ref)
{
Emit(Opcodes.ArgRef, new int[] { (int)ast.symb_idx });
}
else
{
Emit(Opcodes.ArgVar, new int[] { (int)ast.symb_idx });
}
}
else
{
Emit(Opcodes.DeclVar, new int[] { (int)ast.symb_idx, AddConstant(ast.type) });
}
}
public abstract void DoVisit(AST_VarDecl ast);
public override void DoVisit(AST_VarDecl node)
{
Console.Write("(VARDECL " + node.name);
VisitChildren(node);
Console.Write(")");
}