c69daac622
* Refactor SymbolTable to improve architecture * Fix PABCSystem function calls in SPython standard modules * Fix names search in SymbolTable and CollectNamesFromUsedUnits in Compiler * Add SemanticRulesConstants.SymbolTableCaseSensitive setting in pcu reader * Fix case sensitive search in DSSymbolTable class * Add case sensitive search test cases for SPython * Leave only one dictionary in SymbolsDictionary class * Refactor Find function in SymbolsDictionary * Fix math.pys module * Fix str.pys * Imrove Find method in SymbolsDictionary * DefaultIfEmpty was wrong - need to use Any()
85 lines
3 KiB
C#
85 lines
3 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.Linq;
|
||
using System.Collections.Generic;
|
||
using PascalABCCompiler.TreeConverter;
|
||
|
||
namespace SymbolTable
|
||
{
|
||
|
||
/// <summary>
|
||
/// Динамическая хеш таблица строк
|
||
/// </summary>
|
||
public class SymbolsDictionary
|
||
{
|
||
public override string ToString() => namesToInfos.SkipWhile(x => x.Key != "").Skip(1).JoinIntoString(Environment.NewLine);
|
||
|
||
// Регистронезависимый словарь символов
|
||
private readonly Dictionary<string, HashTableNode> namesToInfos = new Dictionary<string, HashTableNode>(StringComparer.OrdinalIgnoreCase);
|
||
|
||
//public SymbolsDictionary(int start_size)
|
||
//{
|
||
// dictCaseInsensitive = new Dictionary<string, HashTableNode>(start_size, StringComparer.OrdinalIgnoreCase);
|
||
//}
|
||
|
||
/// <summary>
|
||
/// Очистка сохраненных символов
|
||
/// </summary>
|
||
public void ClearTable()
|
||
{
|
||
namesToInfos.Clear();
|
||
}
|
||
|
||
/// <summary>
|
||
/// Добавить информацию info о символе с именем name
|
||
/// </summary>
|
||
public void Add(string name, SymbolInfo info)
|
||
{
|
||
bool exists = namesToInfos.TryGetValue(name, out var node);
|
||
|
||
if (!exists)
|
||
{
|
||
node = new HashTableNode();
|
||
|
||
namesToInfos[name] = node;
|
||
}
|
||
|
||
node.InfoList.Add(info);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Найти информацию о символе с именем name.
|
||
/// caseSensitiveSearch определяет регистрозависимость поиска
|
||
/// </summary>
|
||
public IEnumerable<SymbolInfo> Find(string name, bool caseSensitiveSearch)
|
||
{
|
||
// Если ищем регистрозависимо
|
||
if (caseSensitiveSearch)
|
||
{
|
||
if (namesToInfos.TryGetValue(name, out var node))
|
||
{
|
||
// Если есть точные совпадения, то надо взять только их
|
||
var infos = node.InfoList.Where(info => info.Name == name);
|
||
|
||
if (infos.Any())
|
||
return infos;
|
||
}
|
||
}
|
||
// Если ищем регистронезависимо
|
||
else
|
||
{
|
||
if (namesToInfos.TryGetValue(name, out var node))
|
||
return node.InfoList;
|
||
}
|
||
|
||
return null;
|
||
}
|
||
|
||
/// <summary>
|
||
/// Получить информацию обо всех сохраненных символах
|
||
/// </summary>
|
||
public IEnumerable<HashTableNode> GetAllSymbolInfos() => namesToInfos.Values;
|
||
}
|
||
}
|