//TODO TESTS
private static void Command(ListController <TokenModel> lc)
{
var beg = lc.GetNext();
if (TypesTools.IsType(beg.Text))
{
lc.SetBack();
Initialization(lc);
}
else if (VarTable.Contains(beg.Text))
{
lc.SetBack();
var node = VariableAssign(lc);
Commands.Add(node);
}
else if (FuncTable.Contains(beg.Text))
{
lc.SetBack();
var node = FuncExecute(lc);
Commands.Add(node);
}
else
{
throw new ParseException($"Cannot resolve '{beg.Text}'", beg);
}
//todo lately var = Arithmetic Expression
//todo more lately type func
}
public LiteValue Visit(SyntaxFunctionNode Node, LiteEnv Env)
{
var FuncValue = FuncTable.AddFuncEx(new FuncLite(Node.GetFuncName(), Env,
Node.GetParamList() as SyntaxParamListStatementNode, Node.GetBlock() as SyntaxBlockStatementNode));
Env.SetSelf(Node.GetFuncName(), FuncValue);
return(FuncValue);
}
public Entry()
: base()
{
removeNthFromEnd = new RemoveNthFromEnd();
integerToRoman = new IntegerToRoman();
deleteColumnsMakeSorted = new DeleteColumnsMakeSorted();
minCoinChallenge = new MinCoinChallenge();
FuncTable.Add((int)FunctionIndex.RemoveNthFromEnd, removeNthFromEnd);
FuncTable.Add((int)FunctionIndex.IntegerToRoman, integerToRoman);
FuncTable.Add((int)FunctionIndex.DeleteColumnsMakeSorted, deleteColumnsMakeSorted);
FuncTable.Add((int)FunctionIndex.MinCoinChallenge, minCoinChallenge);
}
/// <summary>
/// Expects a tree with "sqrt" and some other unresolved functions. Returns
/// that with all "sqrt" and other replaced
/// </summary>
/// <param name="tree"></param>
/// <returns></returns>
internal static Entity Synonymize(Entity tree)
{
for (int i = 0; i < tree.Children.Count; i++)
{
tree.Children[i] = Synonymize(tree.Children[i]);
}
if (SynFunctions.ContainsKey(tree.Name))
{
return(SynFunctions[tree.Name](tree.Children));
}
else
{
return(tree);
}
}
public Script()
{
// 寄存器初始化
_ret_val = new Op {
type = OpType.Null
};
funcTable = new FuncTable();
symbolTable = new SymbolTable();
labelTable = new LabelTable();
stringTable = new StringTable();
instrStream = new InstrStream();
stack = new RuntimeStack();
// 初始化运行时堆栈大小
stack.SetStackSize(1024);
}
public Entry()
: base()
{
integerReverse = new IntegerReverse();
palindromeNumber = new PalindromeNumber();
romanToInteger = new RomanToInteger();
validParentheses = new ValidParentheses();
findLongestCommonPrefix = new FindLongestCommonPrefix();
mergeTwoSortedArray = new MergeTwoSortedArray();
FuncTable.Add((int)FunctionIndex.IntegerReverse, integerReverse);
FuncTable.Add((int)FunctionIndex.PalindromeNumber, palindromeNumber);
FuncTable.Add((int)FunctionIndex.RomanToInteger, romanToInteger);
FuncTable.Add((int)FunctionIndex.ValidParentheses, validParentheses);
FuncTable.Add((int)FunctionIndex.FindLongestCommonPrefix, findLongestCommonPrefix);
FuncTable.Add((int)FunctionIndex.MergeTwoSortedArray, mergeTwoSortedArray);
}
//TODO TESTS
private static void Initialization(ListController <TokenModel> lc)
{
var type = lc.GetNext();
var name = TryGetNext(lc, "Variable name expected");
if (!Constants.Alphabet.Contains(name.Text[0]))
{
throw new ParseException("Unexpected token", name);
}
if (VarTable.Contains(name.Text) || FuncTable.Contains(name.Text))
{
throw new ParseException("Member with the same name is already declared", name);
}
VarTable.Add(name.Text, type.Text);
}
public LiteValue Visit(SyntaxCallFunctionExpressionNode Node, LiteEnv Env)
{
var FuncIndex = LiteValue.Nil;
var FuncName = Node.GetFuncIdentNode();
if (FuncName.GetType() == SyntaxNodeType.CallFunctionExpression)
{
FuncIndex = Visit(FuncName as SyntaxCallFunctionExpressionNode, Env);
}
else if (FuncName.GetType() == SyntaxNodeType.DotClassExpression)
{
var DotNode = FuncName as SyntaxDotClassExpressionNode;
FuncIndex = Visit(DotNode, Env);
if ((DotNode.GetCallIdentNode() as SyntaxIdentifierNode).GetValue() == "New")
{
return(FuncIndex);
}
}
else if (FuncName.GetType() == SyntaxNodeType.Identifier)
{
FuncIndex = Env.Get((FuncName as SyntaxIdentifierNode).GetValue());
}
if (FuncIndex == LiteValue.Nil || FuncIndex.Type != LiteValueType.Function)
{
Logger.DError($"unknown function : {FuncName}");
return(LiteValue.Error);
}
var Func = FuncTable.GetFunc((int)FuncIndex.Numeric);
if (Func == null)
{
Logger.DError($"=> unknown fn name : {FuncIndex.Numeric}");
return(LiteValue.Error);
}
return(CallFunc(Func, Node.GetArgumentListNode() as SyntaxArgumentListStatementNode, Env));
}
//TODO TESTS
private static AssingNode VariableAssign(ListController <TokenModel> lc)
{
var variableToken = lc.GetNext();
CheckEqual(TryGetNext(lc, "= expected"), "=", "= expected");
var func = TryGetNext(lc, "Expression expected");
var res = new AssingNode();
var variable = VarTable.Get(variableToken.Text);
res.Left = variable;
if (FuncTable.Contains(func.Text))
{
lc.SetBack();
var fn = FuncExecute(lc);
res.Right = fn;
}
else
{
throw new ParseException("Function expected", func);
}
return(res);
}
static SyntaxAnalyzer()
{
VarTable = new VarTable();
FuncTable = new FuncTable();
}
public void Register(string Name, LiteLangNativeFunc Func)
{
Env_.SetSelf(Name, FuncTable.AddFuncEx(new FuncNative(Name, Env_, Func)));
}