/// <summary>
/// 编译条件检查
/// </summary>
/// <param name="conditionWords">编译条件</param>
/// <returns>是否符合条件</returns>
private static bool CheckCondition(IEnumerable <string> conditionWords)
{
FixStack <List <LogicalCheckItem> > logicalStack = new FixStack <List <LogicalCheckItem> >();
logicalStack.Push(new List <LogicalCheckItem>());
bool nowIsNot = false;
int nowLogical = 0;
foreach (string word in conditionWords)
{
switch (word)
{
case "!":
nowIsNot = true;
continue;
case "(":
logicalStack.Current.Add(new LogicalCheckItem
{
IsNo = nowIsNot,
Logical = nowLogical
});
logicalStack.Push(new List <LogicalCheckItem>());
nowLogical = 0;
continue;
case ")":
bool value = CheckValue(logicalStack.Current);
logicalStack.Pop();
LogicalCheckItem cnt = logicalStack.Current.Last();
cnt.Value = cnt.IsNo ? !value : value;
continue;
case "&&":
nowLogical = 1;
continue;
case "||":
nowLogical = 2;
continue;
}
logicalStack.Current.Add(new LogicalCheckItem
{
IsNo = nowIsNot,
Word = word,
Logical = nowLogical
});
}
return(CheckValue(logicalStack.Current));
}
/// <summary>
/// 合并块
/// </summary>
private void CheckRegion()
{
FixStack <string> stack = new FixStack <string>();
stack.SetFix(string.Empty);
foreach (CodeElement element in this._codeElements)
{
RegionElement region = element as RegionElement;
if (region != null)
{
if (region.IsEnd)
{
stack.Pop();
}
else
{
stack.Push(region.Name);
}
}
else if (!element.Skip)
{
element.Region = stack.Current;
}
}
}
/// <summary>
/// 移除非条件范围的代码(参数来自CodeAnalyzerContext的上下文)
/// </summary>
private static void RemoveCondition()
{
CodeElement[] arr = CodeAnalyzerContext.Current.Words.ToArray();
List <CodeElement> elements = CodeAnalyzerContext.Current.Words;
elements.Clear();
int keepCnt = 0;
FixStack <bool> conditionStack = new FixStack <bool>();
conditionStack.SetFix(false);
FixStack <List <string> > logicalStack = new FixStack <List <string> >();
string condition = string.Empty;
foreach (CodeElement el in arr)
{
switch (el.ItemType)
{
case CodeItemType.Sharp_IF:
el.Skip = true;
if (conditionStack.Current)
{
keepCnt++;
break;
}
SharpElement sharp = el as SharpElement;
List <string> words = GetConditionWords(sharp.Name);
conditionStack.Push(!CheckCondition(words));
if (conditionStack.Current)
{
keepCnt = 1;
}
else
{
if (!logicalStack.IsEmpty)
{
words.Insert(0, "&&");
}
words.Insert(0, "(");
words.Add(")");
condition += words.LinkToString();
logicalStack.Push(words);
}
break;
case CodeItemType.Sharp_Else:
el.Skip = true;
if (keepCnt > 1)
{
break;
}
bool kp = conditionStack.Current;
conditionStack.Pop();
conditionStack.Push(!kp);
if (logicalStack.Current != null && logicalStack.Current.Count > 0)
{
logicalStack.Current.Insert(logicalStack.Current[0] == "&&" ? 1 : 0, "!");
}
condition = string.Empty;
foreach (List <string> cd in logicalStack.Stack)
{
condition += cd.LinkToString();
}
break;
case CodeItemType.Sharp_EndIf:
el.Skip = true;
keepCnt--;
if (keepCnt > 0)
{
break;
}
logicalStack.Pop();
condition = string.Empty;
foreach (List <string> cd in logicalStack.Stack)
{
condition += cd.LinkToString();
}
conditionStack.Pop();
break;
default:
if (conditionStack.Current)
{
el.Skip = true;
}
else
{
if (!el.Skip)
{
el.Condition = condition;
elements.Add(el);
}
}
break;
}
}
}