private List <Node> GenerateNode(List <string> lines, Vector2 startPoint, ref int index, Transform parent, bool inBody)
{
index++;
var nodes = new List <Node>();
var line = lines[index];
if (line == KeyWords.begin.ToString() || line == KeyWords.initialization.ToString())
{
List <Node> newNodes;
while ((newNodes = GenerateNode(lines, startPoint, ref index, parent, true)) != null)
{
nodes.AddRange(newNodes);
if (newNodes.Any())
{
startPoint = new Vector2(startPoint.x, newNodes.Last().GetBottom().y) + new Vector2(0, -g_Margin);
}
}
}
else if (line == KeyWords.end.ToString() || line == KeyWords.end + ".")
{
return(null);
}
else if (line.StartsWith("function ") || line.StartsWith("procedure "))
{
var fNode = parent.AppendNew(Prefabs.FuncNode, startPoint - Prefabs.FuncNode.Offset);
fNode.Index = index;
line = line.TrimString("function").TrimString("procedure").Trim();
fNode.Name = line.Cut(0, line.IndexOf('(') - 1);
fNode.Text = "Начало <" + fNode.Name + ">";
do
{
int sPos = lines[index].IndexOf("(") + 1;
int ePos = lines[index].IndexOf(")");
fNode.Args.Add(lines[index].Cut(sPos, ePos == -1 ? lines[index].Length - 1 : ePos - 1));
}while (lines[index++].IndexOf(")") == -1);
while (lines[index] != KeyWords.begin.ToString())
{
fNode.Vars.Add(lines[index].TrimString("vars").Trim(')', '(', ' '));
index++;
}
index--;
fNode.children.AddRange(GenerateNode(lines, (Vector2)fNode.transform.position + new Vector2(0, fNode.ExitPoint.y - g_Margin), ref index, fNode.transform, true));
var endNode = fNode.transform.AppendNew(Prefabs.BeginEndNode, fNode.GetBottom() - Prefabs.FuncNode.Offset);
endNode.Text = "Конец";
fNode.children.Add(endNode);
nodes.Add(fNode);
}
else if (line.StartsWithAny(KeyWords.@if))
{
var IfNode = parent.AppendNew(Prefabs.IfNode, startPoint - Prefabs.IfNode.Offset);
IfNode.Index = index;
IfNode.Condition = line.Remove(0, 2).Trim(' ');
IfNode.TrueNodes.AddRange(GenerateNode(lines, (Vector2)IfNode.transform.position + new Vector2(IfWidth / 2, IfNode.ExitPoint.y - g_Margin), ref index, parent, true));
if (lines[index + 1] == "else")
{
index++;
IfNode.FalseNodes.AddRange(GenerateNode(lines, (Vector2)IfNode.transform.position + new Vector2(IfNode.TrueNodes.Any(x => x is IfNode) ? -IfWidth : -IfWidth / 2, IfNode.ExitPoint.y - g_Margin), ref index, parent, true));
if (IfNode.FalseNodes.Any(x => x is IfNode))
{
IfNode.TrueNodes.ForEach(x => x.Translate(new Vector2(IfWidth / 2, 0)));
}
if (IfNode.TrueNodes.Any() && IfNode.FalseNodes.Any())
{
var d = -IfNode.TrueNodes.Min(x => x.GetWidthLimits().x) + IfNode.FalseNodes.Max(x => x.GetWidthLimits().y);
if (d > 0)
{
IfNode.TrueNodes.ForEach(x => x.Translate(new Vector2(d / 2 + UIController.MarginLineDistance, 0)));
IfNode.FalseNodes.ForEach(x => x.Translate(new Vector2(-d / 2 - UIController.MarginLineDistance, 0)));
}
}
}
nodes.Add(IfNode);
_lastCodeNode = null;
}
else if (line.StartsWithAny(KeyWords.@while))
{
var WhileNode = parent.AppendNew(Prefabs.WhileNode, startPoint - Prefabs.WhileNode.Offset);
WhileNode.Index = index;
WhileNode.Condition = line.Remove(0, 5).Trim(' ');
WhileNode.children.AddRange(GenerateNode(lines, (Vector2)WhileNode.transform.position + new Vector2(0, WhileNode.ExitPoint.y - g_Margin), ref index, parent, true));
nodes.Add(WhileNode);
_lastCodeNode = null;
}
else if (line.StartsWith(KeyWords.repeat))
{
var WhileNode = parent.AppendNew(Prefabs.RepeatNode, startPoint - Prefabs.WhileNode.Offset);
WhileNode.Index = index;
List <Node> newNodes;
while ((newNodes = GenerateNode(lines, startPoint, ref index, parent, true)) != null)
{
WhileNode.children.AddRange(newNodes);
if (newNodes.Any())
{
startPoint = new Vector2(startPoint.x, newNodes.Last().GetBottom().y) + new Vector2(0, -g_Margin);
}
if (newNodes.LastOrDefault() is UntilNode)
{
break;
}
}
nodes.Add(WhileNode);
}
else if (line.StartsWithAny(KeyWords.until))
{
var untilNode = parent.AppendNew(Prefabs.UntilNode, startPoint - Prefabs.WhileNode.Offset);
line = line.Remove(0, 5).Trim();
untilNode.Condition = line;
nodes.Add(untilNode);
_lastCodeNode = null;
}
else if (line.StartsWithAny(KeyWords.@for))
{
var ForNode = parent.AppendNew(Prefabs.ForNode, startPoint - Prefabs.ForNode.Offset);
ForNode.Index = index;
ForNode.Condition = line.Remove(0, 3).Trim(' ');
ForNode.children.AddRange(GenerateNode(lines, (Vector2)ForNode.transform.position + new Vector2(0, ForNode.ExitPoint.y - g_Margin), ref index, parent, true));
nodes.Add(ForNode);
_lastCodeNode = null;
}
else if (line.StartsWith("write(") || line.StartsWith("read(") || line.StartsWith("writeln(") || line.StartsWith("readln(") || line == "writeln" || line == "write" || line == "read" || line == "readln")
{
if (_lastCodeNode != null && _lastCodeNode.EndIndex == index - 1 && _lastCodeNode.GetType() == typeof(IONode))
{
_lastCodeNode.EndIndex = index;
_lastCodeNode.Text += "\n" + line + ";";
if (_lastCodeNode.EndIndex - _lastCodeNode.Index > MaxNodeLinesCount)
{
_lastCodeNode = null;
}
}
else
{
_lastCodeNode = parent.AppendNew(Prefabs.IONode, startPoint - Prefabs.CodeNode.Offset);
_lastCodeNode.Index = index;
_lastCodeNode.EndIndex = index;
_lastCodeNode.Text = line + ";";
nodes.Add(_lastCodeNode);
}
}
else if (line.StartsWithAny(KeyWords.var) && !inBody)
{
VarNode vNode = parent.AppendNew(Prefabs.VarNode, startPoint - Prefabs.VarNode.Offset);
vNode.Index = index;
vNode.EndIndex = index;
vNode.AddVar(line.Remove(0, 3).Trim());
while (!lines[index + 1].StartsWithAny(KeyWords.begin, KeyWords.uses, KeyWords.function, KeyWords.procedure, KeyWords.type, KeyWords.@const)) //while (lines[index+1].ContainsAny("begin", "uses", "function", "procedure", "type") == null)
{
vNode.AddVar(lines[index + 1]);
index++;
}
nodes.Add(vNode);
}
else if (line.StartsWithAny(KeyWords.except))
{
var exceptNode = parent.AppendNew(Prefabs.IfNode, startPoint - Prefabs.WhileNode.Offset);
exceptNode.Index = index;
exceptNode.Condition = "{exception occured}";
List <Node> node;
while ((node = GenerateNode(lines, (Vector2)exceptNode.transform.position + new Vector2(0, exceptNode.ExitPoint.y - g_Margin), ref index, parent, true)) != null)
{
exceptNode.TrueNodes.AddRange(node);
}
nodes.Add(exceptNode);
_lastCodeNode = null;
}
else if (line.StartsWithAny(KeyWords.@const))
{
ConstNode vNode = parent.AppendNew(Prefabs.ConstNode, startPoint - Prefabs.VarNode.Offset);
vNode.Index = index;
vNode.EndIndex = index;
vNode.AddVar(line.Remove(0, 5).Trim());
while (!lines[index + 1].StartsWithAny()) //while (lines[index+1].ContainsAny("begin", "uses", "function", "procedure", "type") == null)
{
vNode.AddVar(lines[index + 1]);
index++;
}
nodes.Add(vNode);
}
else if (line.StartsWithAny(KeyWords.uses))
{
line = line.Remove(0, 4);
try
{
foreach (var lib in line.Split(',').Select(x => x.Trim()))
{
int inChar = lib.IndexOf(" in ");
string fileName = lib + ".pas";
if (inChar != -1)
{
int l1 = lib.IndexOf("@%");
int l2 = lib.IndexOf("%@");
if (l1 != -1 && l2 > l1)
{
fileName = Literals[int.Parse(lib.Cut(l1 + 2, l2 - 1))].Trim(' ', '.', '\'', '/', (char)92);
}
}
print(fileName);
if (System.IO.File.Exists(fileName))
{
string code = System.IO.File.ReadAllText(fileName);
string finCode = null;
int implementation = code.IndexOf("implementation");
code = code.Remove(0, implementation + "implementation".Length);
int finalization = code.IndexOf("finalization");
int codeLen = code.Length;
if (finalization != -1)
{
finCode = code.Remove(0, finalization + "finalization".Length);
code = code.Substring(0, finalization) + "end.";
}
//print(code);
var parsed = ParseCode(code);
var unit = GenerateUnit(parsed, ref startPoint, ref TopPoint, lib.Split()[0]);
if (unit.Any())
{
nodes.AddRange(unit);
var joint = parent.AppendNew(Prefabs.JointNode, new Vector2(startPoint.x, unit.Last().GetBottom().y));
nodes.Add(joint);
}
}
}
}
catch (Exception e)
{
UnityEngine.Debug.LogException(e);
}
}
else if (line.StartsWithAny(KeyWords.type, KeyWords.program))
{
}
else
{
var function = Functions.Any() ? line.ContainsAny(Functions.Keys) : null;
if (function != null)
{
FunctionCallNode node = parent.AppendNew(Prefabs.FunctionCallNode, startPoint - Prefabs.CodeNode.Offset);
node.Index = index;
node.Text = line + ";";
node.Function = Functions[function];
nodes.Add(node);
}
else
{
if (_lastCodeNode != null && _lastCodeNode.EndIndex == index - 1 && _lastCodeNode.GetType() == typeof(CodeNode))
{
_lastCodeNode.EndIndex = index;
_lastCodeNode.Text += "\r\n" + line + ";";
if (_lastCodeNode.EndIndex - _lastCodeNode.Index > MaxNodeLinesCount)
{
_lastCodeNode = null;
}
}
else
{
_lastCodeNode = parent.AppendNew(Prefabs.CodeNode, startPoint - Prefabs.CodeNode.Offset);
_lastCodeNode.Index = index;
_lastCodeNode.EndIndex = index;
_lastCodeNode.Text = line + ";";
nodes.Add(_lastCodeNode);
}
}
}
return(nodes);
}
