private void ParseLeftAssocBinOpTail(int start, Func <TokenNodeType, bool> matchOperator, Func <bool> parsePart, string ErrorMsg = "An operand expected")
{
while (matchOperator(builder.GetTokenType()))
{
AdvanceLexerSkipNonsemantical();
if (!parsePart())
{
builder.Error(ErrorMsg);
}
builder.DoneBeforeWhitespaces(start, SpringCompositeNodeType.BIN_OP, null);
builder.Precede(start);
}
}
private bool ParseMedium(PsiBuilder builder)
{
var start = builder.Mark();
if (!ParseHigh(builder))
{
builder.Drop(start);
return(false);
}
while (builder.GetTokenType() == SpringTokenType.MEDIUM_BINOP)
{
AdvanceWithSpaces(builder);
if (!ParseHigh(builder))
{
builder.Drop(start);
return(false);
}
builder.DoneBeforeWhitespaces(start, SpringCompositeNodeType.MEDIUM_BINOP, null);
builder.Precede(start);
}
builder.Drop(start);
return(true);
}