static void ShiftReturn(CleanupAstNodeStates cleanStates, int advancePosition)
{
var rightColon = cleanStates.MappedNodes.GeNextTokenKind(TokenKind.SemiColon, advancePosition);
cleanStates.ReduceRangeOfTokensAsParent(advancePosition, rightColon, RuleKind.Return);
}
static void ReduceImportRange(int pos, int endImport, string libraryToImport,
CleanupAstNodeStates cleanStates)
{
var importSection = cleanStates.ReduceRangeOfTokensAsParent(pos, endImport,
RuleKind.ImportLibraryDeclaration);
importSection.Content = libraryToImport;
var parentImportNode = cleanStates.MappedNodes[pos];
var importCleanStates = parentImportNode.States;
var startFunctions = new List<int>();
var endFunctions = new List<int>();
FindImportFunctionRanges(importCleanStates, startFunctions, endFunctions);
startFunctions.ReverseEachWithIndex((startPos, index) =>
{
var endFunction = endFunctions[index];
importCleanStates.ReduceRangeOfTokensAsParent(startPos, endFunction,
RuleKind.ImportFunction);
});
}
static void ShiftStaticDefinition(CleanupAstNodeStates cleanStates, int advancePosition)
{
cleanStates.ShiftVariableDeclaration(advancePosition + 1);
cleanStates.ReduceRangeOfTokensAsParent(advancePosition, advancePosition + 1, RuleKind.Static);
}
static void ShiftCase(CleanupAstNodeStates cleanStates, int advancePosition)
{
var colon = cleanStates.GeNextTokenKind(TokenKind.Colon, advancePosition);
var tokenAfterColon = cleanStates[colon + 1].Token;
switch (tokenAfterColon)
{
case TokenKind.Continue:
case TokenKind.Return:
case TokenKind.Break:
case TokenKind.Case:
cleanStates.ShiftByNodeType(colon + 1);
cleanStates.ReduceRangeOfTokensAsParent(colon + 1, colon + 1, RuleKind.CaseBlock);
cleanStates.ReduceRangeOfTokensAsParent(advancePosition, colon + 1, RuleKind.Case);
return;
}
var breakPos = cleanStates.GeNextTokenOfAny(new[]
{
TokenKind.Break,
TokenKind.Return,
TokenKind.Continue,
TokenKind.Case,
}, colon);
if (breakPos == 0)
{
cleanStates.ReduceRangeOfTokensAsParent(colon + 1, cleanStates.Count - 2, RuleKind.CaseBlock);
cleanStates.ReduceRangeOfTokensAsParent(advancePosition, colon + 1, RuleKind.Case);
return;
}
var breakToken = cleanStates[breakPos].Token;
switch (breakToken)
{
case TokenKind.Case:
cleanStates.ReduceRangeOfTokensAsParent(colon + 1, breakPos - 1, RuleKind.CaseBlock);
cleanStates.ReduceRangeOfTokensAsParent(advancePosition, colon + 1, RuleKind.Case);
return;
case TokenKind.Return:
cleanStates.ShiftByNodeType(breakPos);
cleanStates.ReduceRangeOfTokensAsParent(colon + 1, breakPos, RuleKind.CaseBlock);
cleanStates.ReduceRangeOfTokensAsParent(advancePosition, colon + 1, RuleKind.Case);
return;
}
cleanStates.ReduceRangeOfTokensAsParent(colon + 1, breakPos + 1, RuleKind.CaseBlock);
cleanStates.ReduceRangeOfTokensAsParent(advancePosition, colon + 1, RuleKind.Case);
}