Package org.eclipse.xtext.ide.editor.contentassist.antlr

Class ContentAssistContextFactory

java.lang.Object

org.eclipse.xtext.ide.editor.contentassist.antlr.ContentAssistContextFactory

All Implemented Interfaces:

com.google.common.base.Function<ContentAssistContext.Builder,ContentAssistContext>, java.util.function.Function<ContentAssistContext.Builder,ContentAssistContext>

Direct Known Subclasses:

PartialContentAssistContextFactory

public class ContentAssistContextFactory
extends java.lang.Object
implements com.google.common.base.Function<ContentAssistContext.Builder,ContentAssistContext>

Since:

2.9

Field Summary

Fields

Modifier and Type	Field	Description
protected int	completionOffset
protected CompletionPrefixProvider	completionPrefixProvider
protected com.google.inject.Provider<ContentAssistContext.Builder>	contentAssistContextProvider
protected java.util.List<ContentAssistContext.Builder>	contextBuilders
protected org.eclipse.emf.ecore.EObject	currentModel
protected org.eclipse.xtext.nodemodel.INode	currentNode
protected org.eclipse.xtext.nodemodel.INode	datatypeNode
protected FollowElementComputer	followElementComputer
protected org.eclipse.xtext.nodemodel.INode	lastCompleteNode
protected org.eclipse.xtext.nodemodel.INode	lastVisibleNode
protected Lexer	lexer
protected IContentAssistParser	parser
protected org.eclipse.xtext.parser.IParseResult	parseResult
protected org.eclipse.xtext.resource.XtextResource	resource
protected org.eclipse.xtext.nodemodel.ICompositeNode	rootNode
protected org.eclipse.xtext.util.ITextRegion	selection
protected org.eclipse.xtext.parser.antlr.ITokenDefProvider	tokenDefProvider

Constructor Summary

Constructors

Constructor	Description
ContentAssistContextFactory()

Method Summary

Modifier and Type	Method	Description
ContentAssistContext	apply(ContentAssistContext.Builder from)
protected boolean	canBeCalledAfter(org.eclipse.xtext.AbstractRule rule, org.eclipse.emf.ecore.EObject previousGrammarElement, java.lang.String previousText, org.eclipse.emf.ecore.EObject nextGrammarElement)
protected com.google.common.collect.Multimap<org.eclipse.emf.ecore.EObject,org.eclipse.xtext.AbstractElement>	computeCurrentModel(org.eclipse.emf.ecore.EObject currentModel, org.eclipse.xtext.nodemodel.INode lastCompleteNode, java.util.Collection<org.eclipse.xtext.AbstractElement> followElements)
ContentAssistContext[]	create(java.lang.String document, org.eclipse.xtext.util.ITextRegion selection, int offset, org.eclipse.xtext.resource.XtextResource resource)
protected CallHierarchyHelper	createCallHierachyHelper(org.eclipse.emf.ecore.EObject previousGrammarElement, java.lang.String previousText, org.eclipse.emf.ecore.EObject nextGrammarElement)
protected void	createContextsForLastCompleteNode(org.eclipse.emf.ecore.EObject previousModel, boolean strict)
boolean	doComputePrefix(org.eclipse.xtext.nodemodel.ICompositeNode node, java.lang.StringBuilder result)
ContentAssistContext.Builder	doCreateContext(org.eclipse.xtext.nodemodel.INode lastCompleteNode, org.eclipse.emf.ecore.EObject currentModel, org.eclipse.emf.ecore.EObject previousModel, org.eclipse.xtext.nodemodel.INode currentNode, java.lang.String prefix)
protected ContentAssistContext[]	doCreateContexts(int offset)
protected void	doCreateContexts(org.eclipse.xtext.nodemodel.INode lastCompleteNode, org.eclipse.xtext.nodemodel.INode currentNode, java.lang.String prefix, org.eclipse.emf.ecore.EObject previousModel, java.util.Collection<FollowElement> followElements)
protected int	getCompletionOffset()
org.eclipse.xtext.nodemodel.INode	getContainingDatatypeRuleNode(org.eclipse.xtext.nodemodel.INode node)
protected org.eclipse.xtext.nodemodel.INode	getCurrentNode()
protected java.lang.String	getInputToParse(java.lang.String completeInput, int offset)
protected java.lang.String	getInputToParse(org.eclipse.xtext.nodemodel.INode node)
protected org.eclipse.xtext.nodemodel.INode	getLastCompleteNodeByOffset(org.eclipse.xtext.nodemodel.INode node, int offsetPosition)
java.lang.String	getNodeTextUpToCompletionOffset(org.eclipse.xtext.nodemodel.INode currentNode)
IContentAssistParser	getParser()
java.lang.String	getPrefix(org.eclipse.xtext.nodemodel.INode prefixNode)
protected org.eclipse.xtext.AbstractRule	getRule(org.eclipse.emf.ecore.EObject currentGrammarElement)
protected void	handleLastCompleteNodeAsPartOfDatatypeNode()
protected void	handleLastCompleteNodeHasNoGrammarElement(java.util.List<ContentAssistContext.Builder> contextBuilderToCheck, org.eclipse.emf.ecore.EObject previousModel)
protected void	handleLastCompleteNodeIsAtEndOfDatatypeNode()
protected void	handleLastCompleteNodeIsPartOfLookahead()
protected void	initializeAndAdjustCompletionOffset(int offset)
protected void	initializeFromViewerAndResource(int offset)
protected void	initializeNodeAndModelData()
protected boolean	isErrorToken(org.antlr.runtime.Token token)	Return true if the token should be considered to be an error token.
protected boolean	isLikelyToBeValidProposal(org.eclipse.xtext.nodemodel.INode lastCompleteNode, java.lang.Iterable<ContentAssistContext> contexts)
void	setParser(IContentAssistParser parser)
void	setPool(java.util.concurrent.ExecutorService pool)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.google.common.base.Function

equals

Methods inherited from interface java.util.function.Function

andThen, compose

Field Detail

parser

@Inject
protected IContentAssistParser parser

lexer

@Inject
protected Lexer lexer

contentAssistContextProvider

@Inject
protected com.google.inject.Provider<ContentAssistContext.Builder> contentAssistContextProvider

tokenDefProvider

@Inject
protected org.eclipse.xtext.parser.antlr.ITokenDefProvider tokenDefProvider

followElementComputer

@Inject
protected FollowElementComputer followElementComputer

completionPrefixProvider

@Inject
protected CompletionPrefixProvider completionPrefixProvider

Since:

2.13

resource

protected org.eclipse.xtext.resource.XtextResource resource

rootNode

protected org.eclipse.xtext.nodemodel.ICompositeNode rootNode

lastCompleteNode

protected org.eclipse.xtext.nodemodel.INode lastCompleteNode

currentNode

protected org.eclipse.xtext.nodemodel.INode currentNode

lastVisibleNode

protected org.eclipse.xtext.nodemodel.INode lastVisibleNode

currentModel

protected org.eclipse.emf.ecore.EObject currentModel

contextBuilders

protected java.util.List<ContentAssistContext.Builder> contextBuilders

parseResult

protected org.eclipse.xtext.parser.IParseResult parseResult

datatypeNode

protected org.eclipse.xtext.nodemodel.INode datatypeNode

completionOffset

protected int completionOffset

selection

protected org.eclipse.xtext.util.ITextRegion selection

Constructor Detail

ContentAssistContextFactory

public ContentAssistContextFactory()

Method Detail

apply

public ContentAssistContext apply(ContentAssistContext.Builder from)

Specified by:

apply in interface com.google.common.base.Function<ContentAssistContext.Builder,ContentAssistContext>

Specified by:

apply in interface java.util.function.Function<ContentAssistContext.Builder,ContentAssistContext>

create

public ContentAssistContext[] create(java.lang.String document,
                                     org.eclipse.xtext.util.ITextRegion selection,
                                     int offset,
                                     org.eclipse.xtext.resource.XtextResource resource)

getCurrentNode

protected org.eclipse.xtext.nodemodel.INode getCurrentNode()

setPool

public void setPool(java.util.concurrent.ExecutorService pool)

doCreateContexts

protected ContentAssistContext[] doCreateContexts(int offset)

initializeFromViewerAndResource

protected void initializeFromViewerAndResource(int offset)

initializeNodeAndModelData

protected void initializeNodeAndModelData()

initializeAndAdjustCompletionOffset

protected void initializeAndAdjustCompletionOffset(int offset)

handleLastCompleteNodeIsPartOfLookahead

protected void handleLastCompleteNodeIsPartOfLookahead()

handleLastCompleteNodeIsAtEndOfDatatypeNode

protected void handleLastCompleteNodeIsAtEndOfDatatypeNode()

getInputToParse

protected java.lang.String getInputToParse(org.eclipse.xtext.nodemodel.INode node)

Since:

2.13

getInputToParse

protected java.lang.String getInputToParse(java.lang.String completeInput,
                                           int offset)

Since:

2.13

handleLastCompleteNodeHasNoGrammarElement

protected void handleLastCompleteNodeHasNoGrammarElement(java.util.List<ContentAssistContext.Builder> contextBuilderToCheck,
                                                         org.eclipse.emf.ecore.EObject previousModel)

handleLastCompleteNodeAsPartOfDatatypeNode

protected void handleLastCompleteNodeAsPartOfDatatypeNode()

isLikelyToBeValidProposal

protected boolean isLikelyToBeValidProposal(org.eclipse.xtext.nodemodel.INode lastCompleteNode,
                                            java.lang.Iterable<ContentAssistContext> contexts)

createContextsForLastCompleteNode

protected void createContextsForLastCompleteNode(org.eclipse.emf.ecore.EObject previousModel,
                                                 boolean strict)

isErrorToken

protected boolean isErrorToken(org.antlr.runtime.Token token)

Return true if the token should be considered to be an error token. If the token that is created from the prefix before the cursor position is an error token, no proposals shall be computed that don't use a prefix.

Returns:

true if the token should be considered to be an error token.

doCreateContexts

protected void doCreateContexts(org.eclipse.xtext.nodemodel.INode lastCompleteNode,
                                org.eclipse.xtext.nodemodel.INode currentNode,
                                java.lang.String prefix,
                                org.eclipse.emf.ecore.EObject previousModel,
                                java.util.Collection<FollowElement> followElements)

computeCurrentModel

protected com.google.common.collect.Multimap<org.eclipse.emf.ecore.EObject,org.eclipse.xtext.AbstractElement> computeCurrentModel(org.eclipse.emf.ecore.EObject currentModel,
                                                                                                                                        org.eclipse.xtext.nodemodel.INode lastCompleteNode,
                                                                                                                                        java.util.Collection<org.eclipse.xtext.AbstractElement> followElements)

getContainingDatatypeRuleNode

public org.eclipse.xtext.nodemodel.INode getContainingDatatypeRuleNode(org.eclipse.xtext.nodemodel.INode node)

getCompletionOffset

protected int getCompletionOffset()

doCreateContext

public ContentAssistContext.Builder doCreateContext(org.eclipse.xtext.nodemodel.INode lastCompleteNode,
                                                    org.eclipse.emf.ecore.EObject currentModel,
                                                    org.eclipse.emf.ecore.EObject previousModel,
                                                    org.eclipse.xtext.nodemodel.INode currentNode,
                                                    java.lang.String prefix)

getPrefix

public java.lang.String getPrefix(org.eclipse.xtext.nodemodel.INode prefixNode)

getNodeTextUpToCompletionOffset

public java.lang.String getNodeTextUpToCompletionOffset(org.eclipse.xtext.nodemodel.INode currentNode)

doComputePrefix

public boolean doComputePrefix(org.eclipse.xtext.nodemodel.ICompositeNode node,
                               java.lang.StringBuilder result)

setParser

public void setParser(IContentAssistParser parser)

getParser

public IContentAssistParser getParser()

canBeCalledAfter

protected boolean canBeCalledAfter(org.eclipse.xtext.AbstractRule rule,
                                   org.eclipse.emf.ecore.EObject previousGrammarElement,
                                   java.lang.String previousText,
                                   org.eclipse.emf.ecore.EObject nextGrammarElement)

createCallHierachyHelper

protected CallHierarchyHelper createCallHierachyHelper(org.eclipse.emf.ecore.EObject previousGrammarElement,
                                                       java.lang.String previousText,
                                                       org.eclipse.emf.ecore.EObject nextGrammarElement)

getRule

protected org.eclipse.xtext.AbstractRule getRule(org.eclipse.emf.ecore.EObject currentGrammarElement)

getLastCompleteNodeByOffset

protected org.eclipse.xtext.nodemodel.INode getLastCompleteNodeByOffset(org.eclipse.xtext.nodemodel.INode node,
                                                                        int offsetPosition)