public static StringBuilder AccessModifiers(Parser psr)
{
var status = psr.SaveStatus();
try
{
var sb = new StringBuilder();
switch (psr.GetNextTextOrEmpty())
{
case @"protected":
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
if (psr.GetNextTextOrEmpty() == @"internal")
{
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
}
break;
case @"public":
case @"private":
case @"internal":
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
break;
}
return sb;
}
catch (ResetException)
{
}
psr.LoadStatus(status);
throw new ResetException();
}
public void T_1()
{
var expr = @"a String 1 + 2 - 3;";
var psr = new Parser(Lexer.LexerString(expr));
var s1 = psr.SaveStatus();
try
{
psr.Consume();
ParserUtils.Type(psr);
ParserUtils.Expr(psr);
}
catch (Exception)
{
}
psr.LoadStatus(s1);
var s2 = psr.SaveStatus();
Assert.AreEqual(s1.ToString(), s2.ToString());
}
public static StringBuilder AsIs(Parser psr)
{
var status = psr.SaveStatus();
var sb = new StringBuilder();
try
{
switch (psr.GetNextTextOrEmpty())
{
case @"as":
case @"is":
sb.Append(psr.SpaceToken());
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
sb.Append(Type(psr));
return sb;
}
}
catch (ResetException)
{
}
psr.LoadStatus(status);
throw new ResetException();
}
private static StringBuilder PostOperator(Parser psr)
{
var status = psr.SaveStatus();
try
{
var sb = new StringBuilder();
if (psr.GetNextTextOrEmpty() == @"+" && psr.GetNextTextOrEmpty(1) == @"+")
{
sb.Append(psr.Consume());
sb.Append(psr.Consume());
return sb;
}
else if (psr.GetNextTextOrEmpty() == @"-" && psr.GetNextTextOrEmpty(1) == @"-")
{
sb.Append(psr.Consume());
sb.Append(psr.Consume());
return sb;
}
}
catch (ResetException)
{
}
psr.LoadStatus(status);
throw new ResetException();
}
private static StringBuilder Parentheses_Tuple(Parser psr)
{
var status = psr.SaveStatus();
try
{
var sb = new StringBuilder();
if (psr.GetNextTypeOrUnknown() == TokenType.ParenthesesOpen)
{
sb.Append(psr.Consume());
if (psr.GetNextTextOrEmpty(1) != @"," && psr.GetNextTypeOrUnknown(1) != TokenType.ParenthesesClose)
{
sb.Append(Type(psr));
sb.Append(psr.SpaceToken());
}
if (psr.GetNextTypeOrUnknown() == TokenType.Identifier)
{
sb.Append(psr.Consume());
while (psr.GetNextTextOrEmpty() == @",")
{
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
if (psr.GetNextTextOrEmpty(1) != @"," && psr.GetNextTypeOrUnknown(1) != TokenType.ParenthesesClose)
{
sb.Append(Type(psr));
sb.Append(psr.SpaceToken());
}
if (psr.GetNextTypeOrUnknown() == TokenType.Identifier)
{
sb.Append(psr.Consume());
}
}
if (psr.GetNextTypeOrUnknown() == TokenType.ParenthesesClose)
{
sb.Append(psr.Consume());
return sb;
}
}
}
}
catch (ResetException)
{
}
psr.LoadStatus(status);
throw new ResetException();
}
public static StringBuilder Attribute(Parser psr)
{
var sb = new StringBuilder();
var status = psr.SaveStatus();
try
{
if (psr.GetNextTextOrEmpty() == @"[")
{
sb.Append(psr.Consume());
if (psr.GetNextTextOrEmpty(1) == @":")
{
switch (psr.GetNextTextOrEmpty())
{
case @"assembly":
case @"module":
case @"type":
case @"field":
case @"method":
case @"event":
case @"property":
case @"param":
case @"return":
sb.Append(psr.Consume());
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
break;
}
}
while (psr.GetNextTextOrEmpty() != @"]")
{
sb.Append(Expr(psr));
if (psr.GetNextTextOrEmpty() == @",")
{
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
}
else if (psr.GetNextTextOrEmpty() != @"]")
{
throw new ResetException();
}
}
if (psr.GetNextTextOrEmpty() == @"]")
{
sb.Append(psr.Consume());
return sb;
}
}
}
catch (ResetException)
{
}
psr.LoadStatus(status);
throw new ResetException();
}
private static StringBuilder New(Parser psr)
{
var status = psr.SaveStatus();
try
{
var sb = new StringBuilder();
if (psr.GetNextTextOrEmpty() == @"new")
{
sb.Append(psr.Consume());
if (psr.GetNextTextOrEmpty() == @"[")
{
sb.Append(SquareBrackets(psr));
sb.Append(CurlyBrackets_Exprs(psr));
}
else
{
try
{
var t = Type(psr);
sb.Append(psr.SpaceToken());
sb.Append(t);
}
catch (ResetException)
{
}
if (psr.GetNextTypeOrUnknown() == TokenType.ParenthesesOpen)
{
sb.Append(FuncArgs(psr));
}
if (psr.GetNextTypeOrUnknown() == TokenType.CurlyBracketOpen)
{
sb.Append(CurlyBrackets_Exprs(psr));
}
}
return sb;
}
}
catch (ResetException)
{
}
psr.LoadStatus(status);
throw new ResetException();
}
private static StringBuilder FuncArgs(Parser psr)
{
var status = psr.SaveStatus();
try
{
var sb = new StringBuilder();
while (psr.GetNextTypeOrUnknown() == TokenType.ParenthesesOpen)
{
sb.Append(psr.Consume());
while (psr.GetNextTypeOrUnknown() != TokenType.ParenthesesClose)
{
sb.Append(RefOutIn(psr));
sb.Append(Expr(psr));
if (psr.GetNextTextOrEmpty() == @"=")
{
sb.Append(psr.SpaceToken());
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
sb.Append(ParserUtils.Expr(psr));
}
if (psr.GetNextTextOrEmpty() == @",")
{
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
}
}
if (psr.GetNextTypeOrUnknown() == TokenType.ParenthesesClose)
{
sb.Append(psr.Consume());
return sb;
}
}
}
catch (ResetException)
{
}
psr.LoadStatus(status);
throw new ResetException();
}
private static StringBuilder Term(Parser psr)
{
var status = psr.SaveStatus();
try
{
var sb = new StringBuilder();
try
{
sb.Append(Cast(psr));
}
catch (ResetException)
{
}
switch (psr.GetNextTextOrEmpty())
{
case @"+":
case @"-":
case @"*":
case @"&":
case @"!":
case @"~":
sb.Append(psr.Consume());
break;
}
sb.Append(Atom(psr));
while (psr.GetNextTextOrEmpty() == @".")
{
var status2 = psr.SaveStatus();
try
{
var sb2 = new StringBuilder();
sb2.Append(psr.Consume());
sb2.Append(Atom(psr));
sb.Append(sb2);
}
catch (ResetException)
{
psr.LoadStatus(status2);
break;
}
}
try
{
sb.Append(PostOperator(psr));
}
catch (ResetException)
{
}
return sb;
}
catch (ResetException)
{
}
psr.LoadStatus(status);
throw new ResetException();
}
private static StringBuilder CurlyBrackets_Exprs(Parser psr)
{
var status = psr.SaveStatus();
try
{
var sb = new StringBuilder();
while (psr.GetNextTypeOrUnknown() == TokenType.CurlyBracketOpen)
{
sb.Append(psr.Consume());
if (psr.GetNextTypeOrUnknown() == TokenType.CurlyBracketClose)
{
sb.Append(psr.Consume());
return sb;
}
else
{
sb.Append(psr.LineBreakToken());
psr.IndentDown();
while (psr.GetNextTypeOrUnknown() != TokenType.CurlyBracketClose)
{
sb.Append(psr.IndentToken(@"ParserUtils.CurlyBrackets_Exprs"));
sb.Append(Expr(psr));
if (psr.GetNextTextOrEmpty() == @"=")
{
sb.Append(psr.SpaceToken());
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
sb.Append(Expr(psr));
}
if (psr.GetNextTextOrEmpty() == @",")
{
sb.Append(psr.Consume());
}
sb.Append(psr.LineBreakToken());
}
if (psr.GetNextTypeOrUnknown() == TokenType.CurlyBracketClose)
{
psr.IndentUp();
sb.Append(psr.IndentToken(@"ParserUtils.CurlyBrackets_Exprs"));
sb.Append(psr.Consume());
return sb;
}
}
}
}
catch (ResetException)
{
}
psr.LoadStatus(status);
throw new ResetException();
}
private static StringBuilder Atom(Parser psr)
{
var status = psr.SaveStatus();
try
{
var sb = new StringBuilder();
switch (psr.GetNextTypeOrUnknown())
{
case TokenType.Keyword:
switch (psr.GetNextTextOrEmpty())
{
case @"new":
sb.Append(New(psr));
break;
case @"select":
case @"from":
case @"where":
case @"join":
case @"orderby":
case @"group":
sb.Append(Query(psr));
break;
default:
throw new ResetException();
}
break;
case TokenType.Number:
case TokenType.Boolean:
case TokenType.String:
case TokenType.Char:
sb.Append(psr.Consume());
break;
case TokenType.Identifier:
sb.Append(psr.Consume());
break;
case TokenType.ParenthesesOpen:
try
{
sb.Append(Parentheses_Tuple(psr));
}
catch (ResetException)
{
sb.Append(ExprWithParenthese(psr));
}
break;
case TokenType.CurlyBracketOpen:
sb.Append(CurlyBracket_Statements(psr));
break;
default:
throw new ResetException();
}
while (true)
{
try
{
if (psr.GetNextTypeOrUnknown() == TokenType.ParenthesesOpen)
{
sb.Append(FuncArgs(psr));
}
else if (psr.GetNextTextOrEmpty() == @"[")
{
sb.Append(SquareBrackets(psr));
}
else
{
break;
}
}
catch (ResetException)
{
break;
}
}
return sb;
}
catch (ResetException)
{
}
psr.LoadStatus(status);
throw new ResetException();
}
public static StringBuilder _Expr(Parser psr)
{
var status = psr.SaveStatus();
try
{
var sb = new StringBuilder();
sb.Append(psr.SpaceToken());
switch (psr.GetNextTextOrEmpty())
{
case @"!":
switch (psr.GetNextTextOrEmpty(1))
{
case @"=":
sb.Append(psr.Consume());
sb.Append(psr.Consume());
break;
}
break;
case @"=":
switch (psr.GetNextTextOrEmpty(1))
{
case @"=":
case @">":
sb.Append(psr.Consume());
sb.Append(psr.Consume());
break;
}
break;
case @"-":
sb.Append(psr.Consume());
if (psr.GetNextTextOrEmpty() == @">")
{
sb.Append(psr.Consume());
}
break;
case @"+":
case @"*":
case @"/":
case @"%":
sb.Append(psr.Consume());
break;
case @"|":
sb.Append(psr.Consume());
if (psr.GetNextTextOrEmpty() == @"|")
{
sb.Append(psr.Consume());
}
break;
case @"&":
sb.Append(psr.Consume());
if (psr.GetNextTextOrEmpty() == @"&")
{
sb.Append(psr.Consume());
}
break;
case @"<":
sb.Append(psr.Consume());
switch (psr.GetNextTextOrEmpty())
{
case @"<":
case @"=":
sb.Append(psr.Consume());
break;
}
break;
case @">":
sb.Append(psr.Consume());
switch (psr.GetNextTextOrEmpty())
{
case @">":
case @"=":
sb.Append(psr.Consume());
break;
}
break;
case @"?":
switch (psr.GetNextTextOrEmpty(1))
{
case @"?":
case @".":
sb.Append(psr.Consume());
sb.Append(psr.Consume());
break;
}
break;
default:
throw new ResetException();
}
sb.Append(psr.SpaceToken());
sb.Append(Term(psr));
return sb;
}
catch (ResetException)
{
}
psr.LoadStatus(status);
throw new ResetException();
}
public static StringBuilder Type(Parser psr)
{
var status = psr.SaveStatus();
try
{
var sb = new StringBuilder();
if (psr.GetNextTypeOrUnknown() == TokenType.Identifier)
{
sb.Append(psr.Consume());
while (true)
{
if (psr.GetNextTextOrEmpty() == @".")
{
sb.Append(psr.Consume());
}
else
{
break;
}
if (psr.GetNextTypeOrUnknown() == TokenType.Identifier)
{
sb.Append(psr.Consume());
}
else
{
throw new ResetException();
}
}
}
else
{
throw new ResetException();
}
if (psr.GetNextTextOrEmpty() == @"<")
{
sb.Append(psr.Consume());
if (psr.GetNextTextOrEmpty() != @">")
{
sb.Append(Type(psr));
while (psr.GetNextTextOrEmpty() == @",")
{
var status2 = psr.SaveStatus();
try
{
var sb2 = new StringBuilder();
sb2.Append(psr.Consume());
sb2.Append(psr.SpaceToken());
sb2.Append(Type(psr));
sb.Append(sb2);
}
catch (ResetException)
{
psr.LoadStatus(status2);
break;
}
}
}
if (psr.GetNextTextOrEmpty() == @">")
{
sb.Append(psr.Consume());
}
else
{
throw new ResetException();
}
}
if (psr.GetNextTextOrEmpty() == @"[" && psr.GetNextTextOrEmpty(1) == @"]")
{
sb.Append(psr.Consume());
sb.Append(psr.Consume());
}
if (psr.GetNextTextOrEmpty() == @"?")
{
sb.Append(psr.Consume());
}
return sb;
}
catch (ResetException)
{
}
psr.LoadStatus(status);
throw new ResetException();
}
public static StringBuilder RefOutIn(Parser psr)
{
var status = psr.SaveStatus();
try
{
var sb = new StringBuilder();
switch (psr.GetNextTextOrEmpty())
{
case @"ref":
case @"out":
case @"in":
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
break;
}
return sb;
}
catch (ResetException)
{
}
psr.LoadStatus(status);
throw new ResetException();
}
public static StringBuilder Expr(Parser psr)
{
var status = psr.SaveStatus();
try
{
var sb = new StringBuilder();
sb.Append(Term(psr));
while (true)
{
try
{
sb.Append(_Expr(psr));
}
catch (ResetException)
{
break;
}
}
try
{
sb.Append(ConditionalOprator(psr));
}
catch (ResetException)
{
}
try
{
sb.Append(AsIs(psr));
}
catch (ResetException)
{
}
return sb;
}
catch (ResetException)
{
}
psr.LoadStatus(status);
throw new ResetException();
}
private static StringBuilder Query(Parser psr)
{
var status = psr.SaveStatus();
try
{
var sb = new StringBuilder();
var doExit = false;
var n = 0;
while (!doExit)
{
switch (psr.GetNextTextOrEmpty())
{
case @"let":
if (0 < n)
{
sb.Append(psr.SpaceToken());
}
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
if (psr.GetNextTypeOrUnknown() == TokenType.Identifier && psr.GetNextTextOrEmpty(1) == @"=")
{
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
sb.Append(Expr(psr));
}
break;
case @"where":
if (0 < n)
{
sb.Append(psr.SpaceToken());
}
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
sb.Append(Expr(psr));
break;
case @"orderby":
if (0 < n)
{
sb.Append(psr.SpaceToken());
}
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
while (true)
{
sb.Append(Expr(psr));
switch (psr.GetNextTextOrEmpty())
{
case @"desceding":
case @"ascending":
sb.Append(psr.SpaceToken());
sb.Append(psr.Consume());
break;
}
if (psr.GetNextTextOrEmpty() == @",")
{
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
}
else
{
break;
}
}
break;
case @"select":
if (0 < n)
{
sb.Append(psr.SpaceToken());
}
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
sb.Append(Expr(psr));
if (psr.GetNextTextOrEmpty() == @"into")
{
sb.Append(psr.SpaceToken());
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
sb.Append(Expr(psr));
}
break;
case @"join":
if (0 < n)
{
sb.Append(psr.SpaceToken());
}
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
sb.Append(Expr(psr));
if (psr.GetNextTextOrEmpty() == @"in")
{
sb.Append(psr.SpaceToken());
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
sb.Append(Expr(psr));
if (psr.GetNextTextOrEmpty() == @"on")
{
sb.Append(psr.SpaceToken());
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
sb.Append(Expr(psr));
if (psr.GetNextTextOrEmpty() == @"equals")
{
sb.Append(psr.SpaceToken());
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
sb.Append(Expr(psr));
if (psr.GetNextTextOrEmpty() == @"into")
{
sb.Append(psr.SpaceToken());
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
sb.Append(Expr(psr));
}
}
}
}
break;
case @"group":
if (0 < n)
{
sb.Append(psr.SpaceToken());
}
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
sb.Append(Expr(psr));
if (psr.GetNextTextOrEmpty() == @"by")
{
sb.Append(psr.SpaceToken());
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
sb.Append(Expr(psr));
if (psr.GetNextTextOrEmpty() == @"into")
{
sb.Append(psr.SpaceToken());
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
sb.Append(Expr(psr));
}
}
break;
case @"from":
if (0 < n)
{
sb.Append(psr.SpaceToken());
}
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
sb.Append(Expr(psr));
if (psr.GetNextTextOrEmpty() == @"in")
{
sb.Append(psr.SpaceToken());
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
sb.Append(Expr(psr));
}
break;
default:
doExit = true;
break;
}
n++;
}
return sb;
}
catch (ResetException)
{
}
psr.LoadStatus(status);
throw new ResetException();
}
private static StringBuilder SquareBrackets(Parser psr)
{
var status = psr.SaveStatus();
try
{
var sb = new StringBuilder();
while (psr.GetNextTextOrEmpty() == @"[")
{
sb.Append(psr.Consume());
if (psr.GetNextTextOrEmpty() != @"]")
{
sb.Append(ParserUtils.Expr(psr));
}
if (psr.GetNextTextOrEmpty() == @"]")
{
sb.Append(psr.Consume());
return sb;
}
}
}
catch (ResetException)
{
}
psr.LoadStatus(status);
throw new ResetException();
}
private static StringBuilder CurlyBracket_Statements(Parser psr)
{
var status = psr.SaveStatus();
try
{
var sb = new StringBuilder();
if (psr.GetNextTypeOrUnknown() == TokenType.CurlyBracketOpen)
{
sb.Append(psr.Consume());
sb.Append(psr.LineBreakToken());
psr.IndentDown();
sb.Append(psr.DefaultManyStatement());
if (psr.GetNextTypeOrUnknown() == TokenType.CurlyBracketClose)
{
psr.IndentUp();
sb.Append(psr.IndentToken(@"ParserUtils.CurlyBracket_Statements"));
sb.Append(psr.Consume());
return sb;
}
}
}
catch (ResetException)
{
}
psr.LoadStatus(status);
throw new ResetException();
}
private static StringBuilder ExprWithParenthese(Parser psr)
{
var status = psr.SaveStatus();
try
{
var sb = new StringBuilder();
if (psr.GetNextTypeOrUnknown() == TokenType.ParenthesesOpen)
{
sb.Append(psr.Consume());
sb.Append(Expr(psr));
if (psr.GetNextTypeOrUnknown() == TokenType.ParenthesesClose)
{
sb.Append(psr.Consume());
return sb;
}
}
}
catch (ResetException)
{
}
psr.LoadStatus(status);
throw new ResetException();
}
public static StringBuilder ConditionalOprator(Parser psr)
{
var status = psr.SaveStatus();
var sb = new StringBuilder();
try
{
if (psr.GetNextTextOrEmpty() == @"?")
{
sb.Append(psr.SpaceToken());
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
sb.Append(Expr(psr));
if (psr.GetNextTextOrEmpty() == @":")
{
sb.Append(psr.SpaceToken());
sb.Append(psr.Consume());
sb.Append(psr.SpaceToken());
sb.Append(Expr(psr));
return sb;
}
}
}
catch (ResetException)
{
}
psr.LoadStatus(status);
throw new ResetException();
}