/// <summary>
/// Creates a new immutable header from the given node factory, symbol table and template table.
/// </summary>
/// <param name="nodeFactory"></param>
/// <param name="symbolTable"></param>
/// <param name="templateTable"></param>
public ReaderState(LNodeFactory nodeFactory, IReadOnlyList<string> symbolTable, IReadOnlyList<NodeTemplate> templateTable)
{
this.NodeFactory = nodeFactory;
this.SymbolTable = symbolTable;
this.SymbolPool = SymbolPool.@new();
this.TemplateTable = templateTable;
}
public GenerateCodeVisitor(LLParserGenerator llpg)
{
LLPG = llpg;
F = new LNodeFactory(llpg._sourceFile);
_classBody = llpg._classBody;
}
public CodeGenHelperBase()
{
F = new LNodeFactory(EmptySourceFile.Unknown);
ListType = F.Of(F.Id("List"), F.Id(_T));
ListInitializer = F.Call(S.New, F.Call(ListType));
}
public virtual void Done()
{
_classBody = null;
F = null;
_setDeclNames = null;
_currentRule = null;
}
public virtual void Begin(RWList<LNode> classBody, ISourceFile sourceFile)
{
_classBody = classBody;
F = new LNodeFactory(sourceFile);
_setDeclNames = new Dictionary<IPGTerminalSet, Symbol>();
}
private IReadOnlyList<LNode> GenerateRandomNodeList(LNodeFactory Factory, Random Rand, int Depth)
{
var results = new LNode[(int)System.Math.Sqrt(Rand.Next(100))];
for (int i = 0; i < results.Length; i++)
{
results[i] = GenerateRandomNode(Factory, Rand, Depth);
}
return results;
}
private LNode GenerateRandomNode(LNodeFactory Factory, Random Rand, int Depth)
{
int index = Rand.Next(5);
switch (Depth <= 0 && index > 1 ? Rand.Next(2) : index)
{
case 0:
return Factory.Literal(GenerateRandomLiteral(Rand));
case 1:
return Factory.Id(GenerateRandomSymbol(Rand));
case 2:
return Factory.Attr(GenerateRandomNode(Factory, Rand, Depth - 1), GenerateRandomNode(Factory, Rand, Depth - 1));
case 3:
return Factory.Call(GenerateRandomSymbol(Rand), GenerateRandomNodeList(Factory, Rand, Depth - 1));
default:
return Factory.Call(GenerateRandomNode(Factory, Rand, Depth - 1), GenerateRandomNodeList(Factory, Rand, Depth - 1));
}
}