org.eclipse.xtext.ide.editor.contentassist.antlr.FollowElement Java Examples
The following examples show how to use
org.eclipse.xtext.ide.editor.contentassist.antlr.FollowElement.
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Example #1
| Source File: CustomN4JSParser.java From n4js with Eclipse Public License 1.0 | 6 votes |
|
private ObservableXtextTokenStream toTokenStream(FollowElement element,
ITokenDefProvider tokenDefProvider) {
Iterator<LookAheadTerminal> iter = element.getLookAheadTerminals().iterator();
return new ObservableXtextTokenStream(new TokenSource() {
@Override
public Token nextToken() {
if (iter.hasNext()) {
LookAheadTerminal lookAhead = iter.next();
return lookAhead.getToken();
}
return Token.EOF_TOKEN;
}
@Override
public String getSourceName() {
return "LookAheadTerminalTokenSource";
}
}, tokenDefProvider);
}
Example #2
| Source File: CustomN4JSParser.java From n4js with Eclipse Public License 1.0 | 6 votes |
|
private AbstractInternalContentAssistParser createParser(AbstractElement parseMe, FollowElement baseFollowElement) {
AbstractInternalContentAssistParser parser = createParser();
parser.setUnorderedGroupHelper(getUnorderedGroupHelper().get());
parser.getUnorderedGroupHelper().initializeWith(parser);
ObservableXtextTokenStream tokens = toTokenStream(baseFollowElement, parser);
parser.setTokenStream(tokens);
tokens.setListener(parser);
parser.getGrammarElements().addAll(baseFollowElement.getTrace());
parser.getGrammarElements().add(parseMe);
parser.getLocalTrace().addAll(baseFollowElement.getLocalTrace());
parser.getLocalTrace().add(parseMe);
parser.getParamStack().addAll(baseFollowElement.getParamStack());
if (parseMe instanceof UnorderedGroup && baseFollowElement.getGrammarElement() == parseMe) {
UnorderedGroup group = (UnorderedGroup) parseMe;
final IUnorderedGroupHelper helper = parser.getUnorderedGroupHelper();
helper.enter(group);
for (AbstractElement consumed : baseFollowElement.getHandledUnorderedGroupElements()) {
parser.before(consumed);
helper.select(group, group.getElements().indexOf(consumed));
helper.returnFromSelection(group);
parser.after(consumed);
}
parser.setUnorderedGroupHelper(wrap(helper));
}
return parser;
}
Example #3
| Source File: CustomN4JSParser.java From n4js with Eclipse Public License 1.0 | 6 votes |
|
@Override
public Collection<FollowElement> getFollowElements(FollowElement element) {
try (Measurement m = dataCollectors.dcParseFollowElements().getMeasurement()) {
if (element.getLookAhead() <= 1)
throw new IllegalArgumentException("lookahead may not be less than or equal to 1");
Collection<FollowElement> result = new ArrayList<>();
Collection<AbstractElement> elementsToParse = getElementsToParse(element);
for (AbstractElement elementToParse : elementsToParse) {
// fix is here
elementToParse = unwrapSingleElementGroups(elementToParse);
// done
collectFollowElements(elementToParse, element, result);
}
return result;
}
}
Example #4
| Source File: FlexerBasedContentAssistContextFactory.java From xtext-xtend with Eclipse Public License 2.0 | 6 votes |
|
@Override
protected void createContextsForLastCompleteNode(EObject previousModel, boolean strict){
String currentNodePrefix = getPrefix(currentNode);
if (!Strings.isEmpty(currentNodePrefix) && !currentNode.getText().equals(currentNodePrefix)) {
InternalFlexer flexer = flexerFactory.createFlexer(new StringReader(currentNodePrefix));
try {
int token = flexer.advance();
if (token == Token.EOF) { // error case - nothing could be parsed
return;
}
while(token != Token.EOF) {
if (isErrorToken(token))
return;
token = flexer.advance();
}
} catch (IOException e) {
log.error(e.getMessage(), e);
return;
}
}
String prefix = "";
Collection<FollowElement> followElements = parseFollowElements(completionOffset, strict);
// String completeInput = viewer.getDocument().get(0, completionOffset);
// Collection<FollowElement> followElements = parser.getFollowElements(completeInput, strict);
doCreateContexts(lastCompleteNode, currentNode, prefix, previousModel, followElements);
}
Example #5
| Source File: CustomN4JSParser.java From n4js with Eclipse Public License 1.0 | 6 votes |
|
/**
* First pass. Use the tokens that have been computed from the production parser's result and collect the follow
* elements from those.
*/
private CustomInternalN4JSParser collectFollowElements(
TokenSource tokens,
AbstractElement grammarElement,
String ruleName,
boolean strict,
Set<FollowElement> result) {
CustomInternalN4JSParser parser = createParser();
parser.setStrict(strict);
try {
if (grammarElement != null)
parser.getGrammarElements().add(grammarElement);
ObservableXtextTokenStream tokenStream = new ObservableXtextTokenStream(tokens, parser);
result.addAll(doGetFollowElements(parser, tokenStream, ruleName));
} catch (InfiniteRecursion infinite) {
// this guards against erroneous infinite recovery loops in Antlr.
// Grammar dependent and not expected something that is expected for N4JS
// is used in the base class thus also used here.
result.addAll(parser.getFollowElements());
}
return parser;
}
Example #6
| Source File: EntryRuleContentAssistParser.java From statecharts with Eclipse Public License 1.0 | 5 votes |
|
@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
if (entryRule == null)
return super.getFollowElements(parser);
try {
Method method = parser.getClass().getMethod(ENTRY_RULE + entryRule);
method.invoke(parser);
return parser.getFollowElements();
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
Example #7
| Source File: PartialXtextGrammarTestLanguageContentAssistParser.java From xtext-core with Eclipse Public License 2.0 | 5 votes |
|
@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
if (rule == null || rule.eIsProxy())
return Collections.emptyList();
String methodName = "entryRule" + rule.getName();
PolymorphicDispatcher<Collection<FollowElement>> dispatcher =
new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
dispatcher.invoke();
return parser.getFollowElements();
}
Example #8
| Source File: PartialSARLContentAssistParser.java From sarl with Apache License 2.0 | 5 votes |
|
@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
if (rule == null || rule.eIsProxy())
return Collections.emptyList();
String methodName = "entryRule" + rule.getName();
PolymorphicDispatcher<Collection<FollowElement>> dispatcher =
new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
dispatcher.invoke();
return parser.getFollowElements();
}
Example #9
| Source File: PartialGamlContentAssistParser.java From gama with GNU General Public License v3.0 | 5 votes |
|
@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
if (rule == null || rule.eIsProxy())
return Collections.emptyList();
String methodName = "entryRule" + rule.getName();
PolymorphicDispatcher<Collection<FollowElement>> dispatcher =
new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
dispatcher.invoke();
return parser.getFollowElements();
}
Example #10
| Source File: PartialXtextContentAssistParser.java From xtext-core with Eclipse Public License 2.0 | 5 votes |
|
@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
if (rule == null || rule.eIsProxy())
return Collections.emptyList();
String methodName = "entryRule" + rule.getName();
PolymorphicDispatcher<Collection<FollowElement>> dispatcher =
new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
dispatcher.invoke();
return parser.getFollowElements();
}
Example #11
| Source File: PartialHelloWorldContentAssistParser.java From dsl-devkit with Eclipse Public License 1.0 | 5 votes |
|
@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
if (rule == null || rule.eIsProxy())
return Collections.emptyList();
String methodName = "entryRule" + rule.getName();
PolymorphicDispatcher<Collection<FollowElement>> dispatcher =
new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
dispatcher.invoke();
return parser.getFollowElements();
}
Example #12
| Source File: PartialNestedRefsTestLanguageContentAssistParser.java From xtext-core with Eclipse Public License 2.0 | 5 votes |
|
@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
if (rule == null || rule.eIsProxy())
return Collections.emptyList();
String methodName = "entryRule" + rule.getName();
PolymorphicDispatcher<Collection<FollowElement>> dispatcher =
new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
dispatcher.invoke();
return parser.getFollowElements();
}
Example #13
| Source File: PartialNoJdtTestLanguageContentAssistParser.java From xtext-core with Eclipse Public License 2.0 | 5 votes |
|
@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
if (rule == null || rule.eIsProxy())
return Collections.emptyList();
String methodName = "entryRule" + rule.getName();
PolymorphicDispatcher<Collection<FollowElement>> dispatcher =
new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
dispatcher.invoke();
return parser.getFollowElements();
}
Example #14
| Source File: PartialPartialSerializationTestLanguageContentAssistParser.java From xtext-core with Eclipse Public License 2.0 | 5 votes |
|
@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
if (rule == null || rule.eIsProxy())
return Collections.emptyList();
String methodName = "entryRule" + rule.getName();
PolymorphicDispatcher<Collection<FollowElement>> dispatcher =
new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
dispatcher.invoke();
return parser.getFollowElements();
}
Example #15
| Source File: PartialRenameTestLanguageContentAssistParser.java From xtext-core with Eclipse Public License 2.0 | 5 votes |
|
@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
if (rule == null || rule.eIsProxy())
return Collections.emptyList();
String methodName = "entryRule" + rule.getName();
PolymorphicDispatcher<Collection<FollowElement>> dispatcher =
new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
dispatcher.invoke();
return parser.getFollowElements();
}
Example #16
| Source File: PartialIndentationAwareUiTestLanguageContentAssistParser.java From xtext-core with Eclipse Public License 2.0 | 5 votes |
|
@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
if (rule == null || rule.eIsProxy())
return Collections.emptyList();
String methodName = "entryRule" + rule.getName();
PolymorphicDispatcher<Collection<FollowElement>> dispatcher =
new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
dispatcher.invoke();
return parser.getFollowElements();
}
Example #17
| Source File: PartialPartialContentAssistTestLanguageContentAssistParser.java From xtext-core with Eclipse Public License 2.0 | 5 votes |
|
@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
if (rule == null || rule.eIsProxy())
return Collections.emptyList();
String methodName = "entryRule" + rule.getName();
PolymorphicDispatcher<Collection<FollowElement>> dispatcher =
new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
dispatcher.invoke();
return parser.getFollowElements();
}
Example #18
| Source File: Bug281198ParserTest.java From xtext-eclipse with Eclipse Public License 2.0 | 5 votes |
|
private Set<AbstractElement> computeSearchElements(Collection<FollowElement> followSet) {
return Sets.newHashSet(
Iterables.transform(followSet, new Function<FollowElement, AbstractElement>(){
@Override
public AbstractElement apply(FollowElement from) {
return from.getGrammarElement();
}
}));
}
Example #19
| Source File: PartialTestLanguageContentAssistParser.java From xtext-core with Eclipse Public License 2.0 | 5 votes |
|
@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
if (rule == null || rule.eIsProxy())
return Collections.emptyList();
String methodName = "entryRule" + rule.getName();
PolymorphicDispatcher<Collection<FollowElement>> dispatcher =
new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
dispatcher.invoke();
return parser.getFollowElements();
}
Example #20
| Source File: AbstractParserTest.java From xtext-core with Eclipse Public License 2.0 | 5 votes |
|
private Set<AbstractElement> computeSearchElements(Collection<FollowElement> followSet) {
return Sets.newHashSet(
Iterables.transform(followSet, new Function<FollowElement, AbstractElement>(){
@Override
public AbstractElement apply(FollowElement from) {
return from.getGrammarElement();
}
}));
}
Example #21
| Source File: AbstractParserTest.java From xtext-core with Eclipse Public License 2.0 | 5 votes |
|
private void assertFollowers(String input, Set<AbstractElement> expected) throws RecognitionException {
Collection<FollowElement> followSet = getFollowSet(input);
// Collection<FollowElement> followList = com.google.common.collect.Lists.newArrayList(getFollowSet(input));
assertEquals(expected.size(), followSet.size());
Set<AbstractElement> grammarElements = computeSearchElements(followSet);
// Collection<AbstractElement> followElementList = com.google.common.collect.Lists.newArrayList(grammarElements);
assertEquals(expected, grammarElements);
}
Example #22
| Source File: PartialXtendContentAssistParser.java From xtext-xtend with Eclipse Public License 2.0 | 5 votes |
|
@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
if (rule == null || rule.eIsProxy())
return Collections.emptyList();
String methodName = "entryRule" + rule.getName();
PolymorphicDispatcher<Collection<FollowElement>> dispatcher =
new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
dispatcher.invoke();
return parser.getFollowElements();
}
Example #23
| Source File: PartialCodetemplatesContentAssistParser.java From xtext-eclipse with Eclipse Public License 2.0 | 5 votes |
|
@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
if (rule == null || rule.eIsProxy())
return Collections.emptyList();
String methodName = "entryRule" + rule.getName();
PolymorphicDispatcher<Collection<FollowElement>> dispatcher =
new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
dispatcher.invoke();
return parser.getFollowElements();
}
Example #24
| Source File: PartialBuilderTestLanguageContentAssistParser.java From xtext-eclipse with Eclipse Public License 2.0 | 5 votes |
|
@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
if (rule == null || rule.eIsProxy())
return Collections.emptyList();
String methodName = "entryRule" + rule.getName();
PolymorphicDispatcher<Collection<FollowElement>> dispatcher =
new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
dispatcher.invoke();
return parser.getFollowElements();
}
Example #25
| Source File: PartialArithmeticsContentAssistParser.java From xtext-eclipse with Eclipse Public License 2.0 | 5 votes |
|
@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
if (rule == null || rule.eIsProxy())
return Collections.emptyList();
String methodName = "entryRule" + rule.getName();
PolymorphicDispatcher<Collection<FollowElement>> dispatcher =
new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
dispatcher.invoke();
return parser.getFollowElements();
}
Example #26
| Source File: PartialRuleEngineContentAssistParser.java From xtext-eclipse with Eclipse Public License 2.0 | 5 votes |
|
@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
if (rule == null || rule.eIsProxy())
return Collections.emptyList();
String methodName = "entryRule" + rule.getName();
PolymorphicDispatcher<Collection<FollowElement>> dispatcher =
new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
dispatcher.invoke();
return parser.getFollowElements();
}
Example #27
| Source File: PartialStatemachineContentAssistParser.java From xtext-eclipse with Eclipse Public License 2.0 | 5 votes |
|
@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
if (rule == null || rule.eIsProxy())
return Collections.emptyList();
String methodName = "entryRule" + rule.getName();
PolymorphicDispatcher<Collection<FollowElement>> dispatcher =
new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
dispatcher.invoke();
return parser.getFollowElements();
}
Example #28
| Source File: PartialDomainmodelContentAssistParser.java From xtext-eclipse with Eclipse Public License 2.0 | 5 votes |
|
@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
if (rule == null || rule.eIsProxy())
return Collections.emptyList();
String methodName = "entryRule" + rule.getName();
PolymorphicDispatcher<Collection<FollowElement>> dispatcher =
new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
dispatcher.invoke();
return parser.getFollowElements();
}
Example #29
| Source File: PartialEcore2XtextTestContentAssistParser.java From xtext-eclipse with Eclipse Public License 2.0 | 5 votes |
|
@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
if (rule == null || rule.eIsProxy())
return Collections.emptyList();
String methodName = "entryRule" + rule.getName();
PolymorphicDispatcher<Collection<FollowElement>> dispatcher =
new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
dispatcher.invoke();
return parser.getFollowElements();
}
Example #30
| Source File: Bug281198ParserTest.java From xtext-eclipse with Eclipse Public License 2.0 | 5 votes |
|
private void assertFollowers(String input, Set<AbstractElement> expected) {
Collection<FollowElement> followSet = getFollowSet(input);
// Collection<FollowElement> followList = com.google.common.collect.Lists.newArrayList(getFollowSet(input));
assertEquals(expected.size(), followSet.size());
Set<AbstractElement> grammarElements = computeSearchElements(followSet);
assertEquals(grammarElements.toString(), expected, grammarElements);
}
