public override void DoVisit(AST_FuncDecl node)
{
Console.Write("(FUNC ");
Console.Write(node.symbol.name);
VisitChildren(node);
Console.Write(")");
}
static public int GetTotalArgsNum(this AST_FuncDecl n)
{
var fparams = n.fparams();
if (fparams.children.Count == 0)
{
return(0);
}
int num = fparams.children.Count;
return(num);
}
public override void DoVisit(AST_FuncDecl ast)
{
UseCode();
var fsymb = ast.symbol;
func_decls.Push(fsymb);
fsymb.ip_addr = GetCodeSize();
Emit(Opcodes.InitFrame, new int[] { fsymb.local_vars_num + 1 /*cargs bits*/ });
VisitChildren(ast);
Emit(Opcodes.Return, null, ast.last_line_num);
func_decls.Pop();
UseInit();
}
static public int GetDefaultArgsNum(this AST_FuncDecl n)
{
var fparams = n.fparams();
if (fparams.children.Count == 0)
{
return(0);
}
int num = 0;
for (int i = 0; i < fparams.children.Count; ++i)
{
var fc = fparams.children[i].GetChildren();
if (fc != null && fc.Count > 0)
{
++num;
}
}
return(num);
}
static public AST_Tree block(this AST_FuncDecl n)
{
return(n.GetChildren()[1] as AST_Tree);
}
static public AST_Tree fparams(this AST_FuncDecl n)
{
return(n.GetChildren()[0] as AST_Tree);
}
public abstract void DoVisit(AST_FuncDecl ast);