public void setLexer(List<LexerCharacterSet> thecharacterDefinitions, List<LexerKeyword> thekeywordDefinitions,
List<LexerToken> thetokenDefinitions, LexerCharacterSet thewhitespaceDefinitions)
{
characterDefinitions = thecharacterDefinitions;
keywordDefinitions = thekeywordDefinitions;
tokenDefinitions = thetokenDefinitions;
whitespaceDefinitions = thewhitespaceDefinitions;
}
bool WhiteSpaceDecl()
{
HashSet<char> whiteSet = new HashSet<char>();
bool result = term(TokenType.IGNORE, true) && Set(out whiteSet); ;
whitespaceDefinitions = new LexerCharacterSet("whitespace", LexerGenerationHelper.getSetRegExp(whiteSet), whiteSet);
return result;
}
bool SetDecl(out LexerCharacterSet tmpToken)
{
bool result = true;
string tempId;
HashSet<char> tmp = new HashSet<char>();
if (term(TokenType.Ident, false))
{
tempId = tokenEnumerator.Current.getValue();
result = result && term(TokenType.Ident, true);
}
else tempId = "";
result = result && term(TokenType.EQUALS, true);
result = result && Set(out tmp);
result = result && term(TokenType.DOT, true);
tmpToken = new LexerCharacterSet(tempId, LexerGenerationHelper.getSetRegExp(tmp), tmp);
return result;
}
bool ScannerSpecification()
{
bool result = true;
if (term(TokenType.CHARACTERS, false))
{
result = result && term(TokenType.CHARACTERS, true);
while (term(TokenType.Ident, false))
{
LexerCharacterSet tmpSet = new LexerCharacterSet();
result = result && SetDecl(out tmpSet);
characterDefinitions.Add(tmpSet);
}
form.appendText("parsed CHARACTERSE\n");
}
if (term(TokenType.KEYWORDS, false))
{
result = result && term(TokenType.KEYWORDS, true);
while (term(TokenType.Ident, false))
{
result = result && KeywordDecl();
}
form.appendText("parsed KEYWORDS\n");
}
if (term(TokenType.TOKENS, false))
{
result = result && term(TokenType.TOKENS, true);
while (term(TokenType.Ident, false))
{
LexerToken tmpToken = new LexerToken();
result = result && TokenDecl(out tmpToken);
tokenDefinitions.Add(tmpToken);
}
form.appendText("parsed TOKENS\n");
}
while (term(TokenType.IGNORE, false))
{
result = result && WhiteSpaceDecl();
}
if (result)
{
form.appendText("Parsed scannerspec \n");
}
return result;
}