本文整理汇总了Java中org.antlr.v4.runtime.Token类的典型用法代码示例。如果您正苦于以下问题:Java Token类的具体用法?Java Token怎么用?Java Token使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。
Token类属于org.antlr.v4.runtime包,在下文中一共展示了Token类的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: reportNoViableAlternative
import org.antlr.v4.runtime.Token; //导入依赖的package包/类
@Override
protected void reportNoViableAlternative(Parser recognizer, NoViableAltException e) {
// change error message from default implementation
TokenStream tokens = recognizer.getInputStream();
String input;
if (tokens != null) {
if (e.getStartToken().getType() == Token.EOF) {
input = "the end";
} else {
input = escapeWSAndQuote(tokens.getText(e.getStartToken(), e.getOffendingToken()));
}
} else {
input = escapeWSAndQuote("<unknown input>");
}
String msg = "inadmissible input at " + input;
recognizer.notifyErrorListeners(e.getOffendingToken(), msg, e);
}
示例2: getTokenErrorDisplay
import org.antlr.v4.runtime.Token; //导入依赖的package包/类
@Override
protected String getTokenErrorDisplay(Token t) {
// overwrite standard behavior to use "the end" instead of <EOF>
if (t == null) {
return "<no token>";
}
String s = getSymbolText(t).replace("<EOF>", "the end");
if (s == null) {
if (getSymbolType(t) == Token.EOF) {
s = "the end";
} else {
s = escapeWSAndQuote("<" + getSymbolType(t) + ">");
}
}
return s;
}
示例3: nextToken
import org.antlr.v4.runtime.Token; //导入依赖的package包/类
@Override
public Token nextToken() {
if (stashedNext != null) {
previous = stashedNext;
stashedNext = null;
return previous;
}
Token next = super.nextToken();
if (insertSemicolon(previous, next)) {
stashedNext = next;
previous = _factory.create(new Pair<TokenSource, CharStream>(this, _input), PainlessLexer.SEMICOLON, ";",
Lexer.DEFAULT_TOKEN_CHANNEL, next.getStartIndex(), next.getStopIndex(), next.getLine(), next.getCharPositionInLine());
return previous;
} else {
previous = next;
return next;
}
}
示例4: slashIsRegex
import org.antlr.v4.runtime.Token; //导入依赖的package包/类
@Override
protected boolean slashIsRegex() {
Token lastToken = getPreviousToken();
if (lastToken == null) {
return true;
}
switch (lastToken.getType()) {
case PainlessLexer.RBRACE:
case PainlessLexer.RP:
case PainlessLexer.OCTAL:
case PainlessLexer.HEX:
case PainlessLexer.INTEGER:
case PainlessLexer.DECIMAL:
case PainlessLexer.ID:
case PainlessLexer.DOTINTEGER:
case PainlessLexer.DOTID:
return false;
default:
return true;
}
}
示例5: recover
import org.antlr.v4.runtime.Token; //导入依赖的package包/类
@Override
public void recover(final Parser recognizer, final RecognitionException re) {
final Token token = re.getOffendingToken();
String message;
if (token == null) {
message = "no parse token found.";
} else if (re instanceof InputMismatchException) {
message = "unexpected token [" + getTokenErrorDisplay(token) + "]" +
" was expecting one of [" + re.getExpectedTokens().toString(recognizer.getVocabulary()) + "].";
} else if (re instanceof NoViableAltException) {
if (token.getType() == PainlessParser.EOF) {
message = "unexpected end of script.";
} else {
message = "invalid sequence of tokens near [" + getTokenErrorDisplay(token) + "].";
}
} else {
message = "unexpected token near [" + getTokenErrorDisplay(token) + "].";
}
Location location = new Location(sourceName, token == null ? -1 : token.getStartIndex());
throw location.createError(new IllegalArgumentException(message, re));
}
示例6: recoverInline
import org.antlr.v4.runtime.Token; //导入依赖的package包/类
/**
* Make sure we don't attempt to recover inline; if the parser successfully
* recovers, it won't throw an exception.
*/
@Override
public Token recoverInline(Parser recognizer) throws RecognitionException {
InputMismatchException e = new InputMismatchException(recognizer);
String policies = recognizer.getInputStream().getText();
StringTokenizer tk = new StringTokenizer(policies, ";");
String policy = "";
int idx = 0;
while (tk.hasMoreElements()) {
policy = (String) tk.nextElement();
idx += policy.length();
if (idx >= e.getOffendingToken().getStartIndex()) {
break;
}
}
String message = Messages.get(Messages.DEFAULT_LOCALE,
"error_invalid_firewallconfig", new Object[] {
e.getOffendingToken().getText(), policy });
throw new RuntimeException(message);
}
示例7: dot
import org.antlr.v4.runtime.Token; //导入依赖的package包/类
/**
"If an operator has whitespace on the right side only, it is treated as a
postfix unary operator. As an example, the ++ operator in a++ b is treated
as a postfix unary operator."
"If an operator has no whitespace on the left but is followed immediately
by a dot (.), it is treated as a postfix unary operator. As an example,
the ++ operator in a++.b is treated as a postfix unary operator (a++ .b
rather than a ++ .b)."
*/
public static boolean isPostfixOp(TokenStream tokens) {
int stop = getLastOpTokenIndex(tokens);
if ( stop==-1 ) return false;
int start = tokens.index();
Token prevToken = tokens.get(start-1); // includes hidden-channel tokens
Token nextToken = tokens.get(stop+1);
boolean prevIsWS = isLeftOperatorWS(prevToken);
boolean nextIsWS = isRightOperatorWS(nextToken);
boolean result =
!prevIsWS && nextIsWS ||
!prevIsWS && nextToken.getType()==SwiftParser.DOT;
String text = tokens.getText(Interval.of(start, stop));
//System.out.println("isPostfixOp: '"+prevToken+"','"+text+"','"+nextToken+"' is "+result);
return result;
}
示例8: visitTypedElementTuple
import org.antlr.v4.runtime.Token; //导入依赖的package包/类
@Override
public Object visitTypedElementTuple(RAMLParser.TypedElementTupleContext typedeElementTuple) {
final Token type = typedeElementTuple.type;
final String name = typedeElementTuple.name.getText();
final EObject propertyType = Strings.isNullOrEmpty(type.getText()) ?
scope.getEObjectByName(BuiltinType.STRING.getName()) :
typeExpressionConstructor.parse(type.getText(), scope);
final boolean isRequired = !name.endsWith("?");
scope.setValue(TYPED_ELEMENT__REQUIRED, isRequired, typedeElementTuple.getStart());
final String parsedName = isRequired ? name : name.substring(0, name.length() - 1);
scope.setValue(IDENTIFIABLE_ELEMENT__NAME, parsedName, typedeElementTuple.getStart());
scope.setValue(TYPED_ELEMENT__TYPE, propertyType, typedeElementTuple.getStart());
return scope.eObject();
}
示例9: resolveType
import org.antlr.v4.runtime.Token; //导入依赖的package包/类
private EObject resolveType(final ParserRuleContext ruleContext, final EObject superType) {
final EObject resolvedType;
if (superType.eIsProxy()) {
resolvedType = null;
} else {
resolvedType = create(superType.eClass(), ruleContext);
EcoreUtil.replace(unresolved, resolvedType);
final Token nameToken = ruleContext.getStart();
final String name = nameToken.getText();
final Scope typeScope = scope.with(resolvedType, TYPE_CONTAINER__TYPES);
typeScope.with(IDENTIFIABLE_ELEMENT__NAME)
.setValue(name, nameToken);
typeScope.with(unresolved.eClass().getEStructuralFeature("type"))
.setValue(superType, nameToken);
}
return resolvedType;
}
示例10: isClassName
import org.antlr.v4.runtime.Token; //导入依赖的package包/类
public static boolean isClassName(TokenStream _input) {
try {
int i=1;
Token token = _input.LT(i);
while (token!=null && i < _input.size() && _input.LT(i+1).getType() == GroovyParser.DOT) {
i = i + 2;
token = _input.LT(i);
}
if(token==null)
return false;
// TODO here
return Character.isUpperCase(Character.codePointAt(token.getText(), 0));
} catch(Exception e) {
e.printStackTrace();
}
return false;
}
示例11: StatementSplitter
import org.antlr.v4.runtime.Token; //导入依赖的package包/类
public StatementSplitter(String sql, Set<String> delimiters)
{
TokenSource tokens = getLexer(sql, delimiters);
ImmutableList.Builder<Statement> list = ImmutableList.builder();
StringBuilder sb = new StringBuilder();
while (true) {
Token token = tokens.nextToken();
if (token.getType() == Token.EOF) {
break;
}
if (token.getType() == SqlBaseParser.DELIMITER) {
String statement = sb.toString().trim();
if (!statement.isEmpty()) {
list.add(new Statement(statement, token.getText()));
}
sb = new StringBuilder();
}
else {
sb.append(token.getText());
}
}
this.completeStatements = list.build();
this.partialStatement = sb.toString().trim();
}
示例12: squeezeStatement
import org.antlr.v4.runtime.Token; //导入依赖的package包/类
public static String squeezeStatement(String sql)
{
TokenSource tokens = getLexer(sql, ImmutableSet.of());
StringBuilder sb = new StringBuilder();
while (true) {
Token token = tokens.nextToken();
if (token.getType() == Token.EOF) {
break;
}
if (token.getType() == SqlBaseLexer.WS) {
sb.append(' ');
}
else {
sb.append(token.getText());
}
}
return sb.toString().trim();
}
示例13: exitNonReserved
import org.antlr.v4.runtime.Token; //导入依赖的package包/类
@Override
public void exitNonReserved(SqlBaseParser.NonReservedContext context)
{
// we can't modify the tree during rule enter/exit event handling unless we're dealing with a terminal.
// Otherwise, ANTLR gets confused an fires spurious notifications.
if (!(context.getChild(0) instanceof TerminalNode)) {
int rule = ((ParserRuleContext) context.getChild(0)).getRuleIndex();
throw new AssertionError("nonReserved can only contain tokens. Found nested rule: " + ruleNames.get(rule));
}
// replace nonReserved words with IDENT tokens
context.getParent().removeLastChild();
Token token = (Token) context.getChild(0).getPayload();
context.getParent().addChild(new CommonToken(
new Pair<>(token.getTokenSource(), token.getInputStream()),
SqlBaseLexer.IDENTIFIER,
token.getChannel(),
token.getStartIndex(),
token.getStopIndex()));
}
示例14: getArithmeticBinaryOperator
import org.antlr.v4.runtime.Token; //导入依赖的package包/类
private static ArithmeticBinaryExpression.Type getArithmeticBinaryOperator(Token operator)
{
switch (operator.getType()) {
case SqlBaseLexer.PLUS:
return ArithmeticBinaryExpression.Type.ADD;
case SqlBaseLexer.MINUS:
return ArithmeticBinaryExpression.Type.SUBTRACT;
case SqlBaseLexer.ASTERISK:
return ArithmeticBinaryExpression.Type.MULTIPLY;
case SqlBaseLexer.SLASH:
return ArithmeticBinaryExpression.Type.DIVIDE;
case SqlBaseLexer.PERCENT:
return ArithmeticBinaryExpression.Type.MODULUS;
}
throw new UnsupportedOperationException("Unsupported operator: " + operator.getText());
}
示例15: getComparisonOperator
import org.antlr.v4.runtime.Token; //导入依赖的package包/类
private static ComparisonExpressionType getComparisonOperator(Token symbol)
{
switch (symbol.getType()) {
case SqlBaseLexer.EQ:
return ComparisonExpressionType.EQUAL;
case SqlBaseLexer.NEQ:
return ComparisonExpressionType.NOT_EQUAL;
case SqlBaseLexer.LT:
return ComparisonExpressionType.LESS_THAN;
case SqlBaseLexer.LTE:
return ComparisonExpressionType.LESS_THAN_OR_EQUAL;
case SqlBaseLexer.GT:
return ComparisonExpressionType.GREATER_THAN;
case SqlBaseLexer.GTE:
return ComparisonExpressionType.GREATER_THAN_OR_EQUAL;
}
throw new IllegalArgumentException("Unsupported operator: " + symbol.getText());
}