pascalabcnet/SyntaxVisitors/YieldVisitors/CollectClassFieldsVisitor.cs
Mikhalkovich Stanislav e48218cd9e fix #2152
2020-03-13 23:44:05 +03:00

79 lines
2.5 KiB
C#

// Copyright (c) Ivan Bondarev, Stanislav Mikhalkovich (for details please see \doc\copyright.txt)
// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using PascalABCCompiler;
using PascalABCCompiler.SyntaxTree;
namespace SyntaxVisitors
{
public class CollectClassFieldsVisitor : CollectUpperNodesVisitor
{
private ident _className;
public ISet<ident> CollectedFields { get; private set; }
public CollectClassFieldsVisitor(ident className)
{
CollectedFields = new HashSet<ident>();
_className = className;
}
public override void visit(class_definition cd)
{
type_declaration td = UpperNode(1) as type_declaration;
if ((object)td == null)
{
// Something went wrong
return;
}
if (td.type_name.name.ToLower() != _className.name.ToLower())
{
// Not the class we search for
// Yoda
return;
}
if (cd.body == null)
return;
/*var fields = cd.body.class_def_blocks.SelectMany(cm => cm.members.Where(decl => decl is var_def_statement)
.Select(decl1 => (decl1 as var_def_statement).vars.idents)
.SelectMany(ids => ids.Select(id => id)));
CollectedFields.UnionWith(fields);*/
foreach (var defs in cd.body.class_def_blocks)
{
// Class members
foreach (var decl in defs.members)
{
// Declaration: fields + procedure defs + headers + etc
// Need vars
if (decl is var_def_statement vds)
{
CollectedFields.UnionWith(vds.vars.idents);
// Fields
/*foreach (var field in vds.vars.idents)
{
CollectedFields.Add(field);
}*/
}
else if (decl is simple_const_definition scd)
{
CollectedFields.Add(scd.const_name);
}
}
}
}
}
}