| /******************************************************************************* |
| * Copyright (c) 2000, 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.codeassist.complete; |
| |
| /* |
| * Parser able to build specific completion parse nodes, given a cursorLocation. |
| * |
| * Cursor location denotes the position of the last character behind which completion |
| * got requested: |
| * -1 means completion at the very beginning of the source |
| * 0 means completion behind the first character |
| * n means completion behind the n-th character |
| */ |
| import org.eclipse.jdt.internal.compiler.*; |
| import org.eclipse.jdt.internal.compiler.env.*; |
| |
| import org.eclipse.jdt.internal.compiler.ast.*; |
| import org.eclipse.jdt.internal.compiler.parser.*; |
| import org.eclipse.jdt.internal.compiler.problem.*; |
| import org.eclipse.jdt.core.compiler.CharOperation; |
| import org.eclipse.jdt.internal.codeassist.impl.*; |
| |
| public class CompletionParser extends AssistParser { |
| // OWNER |
| protected static final int COMPLETION_PARSER = 1024; |
| protected static final int COMPLETION_OR_ASSIST_PARSER = ASSIST_PARSER + COMPLETION_PARSER; |
| |
| // KIND : all values known by CompletionParser are between 1025 and 1549 |
| protected static final int K_BLOCK_DELIMITER = COMPLETION_PARSER + 1; // whether we are inside a block |
| protected static final int K_SELECTOR_INVOCATION_TYPE = COMPLETION_PARSER + 2; // whether we are inside a message send |
| protected static final int K_SELECTOR_QUALIFIER = COMPLETION_PARSER + 3; // whether we are inside a message send |
| protected static final int K_BETWEEN_CATCH_AND_RIGHT_PAREN = COMPLETION_PARSER + 4; // whether we are between the keyword 'catch' and the following ')' |
| protected static final int K_NEXT_TYPEREF_IS_CLASS = COMPLETION_PARSER + 5; // whether the next type reference is a class |
| protected static final int K_NEXT_TYPEREF_IS_INTERFACE = COMPLETION_PARSER + 6; // whether the next type reference is an interface |
| protected static final int K_NEXT_TYPEREF_IS_EXCEPTION = COMPLETION_PARSER + 7; // whether the next type reference is an exception |
| protected static final int K_BETWEEN_NEW_AND_LEFT_BRACKET = COMPLETION_PARSER + 8; // whether we are between the keyword 'new' and the following left braket, ie. '[', '(' or '{' |
| protected static final int K_INSIDE_THROW_STATEMENT = COMPLETION_PARSER + 9; // whether we are between the keyword 'throw' and the end of a throw statement |
| protected static final int K_INSIDE_RETURN_STATEMENT = COMPLETION_PARSER + 10; // whether we are between the keyword 'return' and the end of a return statement |
| protected static final int K_CAST_STATEMENT = COMPLETION_PARSER + 11; // whether we are between ')' and the end of a cast statement |
| protected static final int K_LOCAL_INITIALIZER_DELIMITER = COMPLETION_PARSER + 12; |
| protected static final int K_ARRAY_INITIALIZER = COMPLETION_PARSER + 13; |
| protected static final int K_ARRAY_CREATION = COMPLETION_PARSER + 14; |
| protected static final int K_UNARY_OPERATOR = COMPLETION_PARSER + 15; |
| protected static final int K_BINARY_OPERATOR = COMPLETION_PARSER + 16; |
| protected static final int K_ASSISGNMENT_OPERATOR = COMPLETION_PARSER + 17; |
| protected static final int K_CONDITIONAL_OPERATOR = COMPLETION_PARSER + 18; |
| protected static final int K_BETWEEN_IF_AND_RIGHT_PAREN = COMPLETION_PARSER + 19; |
| protected static final int K_BETWEEN_WHILE_AND_RIGHT_PAREN = COMPLETION_PARSER + 20; |
| protected static final int K_BETWEEN_FOR_AND_RIGHT_PAREN = COMPLETION_PARSER + 21; |
| protected static final int K_BETWEEN_SWITCH_AND_RIGHT_PAREN = COMPLETION_PARSER + 22; |
| protected static final int K_BETWEEN_SYNCHRONIZED_AND_RIGHT_PAREN = COMPLETION_PARSER + 23; |
| protected static final int K_INSIDE_ASSERT_STATEMENT = COMPLETION_PARSER + 24; |
| protected static final int K_SWITCH_LABEL= COMPLETION_PARSER + 25; |
| protected static final int K_BETWEEN_CASE_AND_COLON = COMPLETION_PARSER + 26; |
| protected static final int K_BETWEEN_DEFAULT_AND_COLON = COMPLETION_PARSER + 27; |
| protected static final int K_BETWEEN_LEFT_AND_RIGHT_BRACKET = COMPLETION_PARSER + 28; |
| protected static final int K_EXTENDS_KEYWORD = COMPLETION_PARSER + 29; |
| protected static final int K_PARAMETERIZED_METHOD_INVOCATION = COMPLETION_PARSER + 30; |
| protected static final int K_PARAMETERIZED_ALLOCATION = COMPLETION_PARSER + 31; |
| protected static final int K_PARAMETERIZED_CAST = COMPLETION_PARSER + 32; |
| protected static final int K_BETWEEN_ANNOTATION_NAME_AND_RPAREN = COMPLETION_PARSER + 33; |
| |
| public final static char[] FAKE_TYPE_NAME = new char[]{' '}; |
| public final static char[] VALUE = new char[]{'v', 'a', 'l', 'u', 'e'}; |
| |
| /* public fields */ |
| |
| public int cursorLocation; |
| public ASTNode assistNodeParent; // the parent node of assist node |
| /* the following fields are internal flags */ |
| |
| // block kind |
| static final int IF = 1; |
| static final int TRY = 2; |
| static final int CATCH = 3; |
| static final int WHILE = 4; |
| static final int SWITCH = 5; |
| static final int FOR = 6; |
| static final int DO = 7; |
| static final int SYNCHRONIZED = 8; |
| |
| // label kind |
| static final int DEFAULT = 1; |
| |
| // invocation type constants |
| static final int EXPLICIT_RECEIVER = 0; |
| static final int NO_RECEIVER = -1; |
| static final int SUPER_RECEIVER = -2; |
| static final int NAME_RECEIVER = -3; |
| static final int ALLOCATION = -4; |
| static final int QUALIFIED_ALLOCATION = -5; |
| |
| static final int QUESTION = 1; |
| static final int COLON = 2; |
| |
| // K_BETWEEN_ANNOTATION_NAME_AND_RPAREN arguments |
| static final int LPAREN_NOT_CONSUMED = 1; |
| static final int LPAREN_CONSUMED = 2; |
| |
| |
| // the type of the current invocation (one of the invocation type constants) |
| int invocationType; |
| |
| // a pointer in the expression stack to the qualifier of a invocation |
| int qualifier; |
| |
| // last modifiers info |
| int lastModifiers = AccDefault; |
| int lastModifiersStart = -1; |
| |
| // depth of '(', '{' and '[]' |
| int bracketDepth; |
| |
| // show if the current token can be an explicit constructor |
| int canBeExplicitConstructor = NO; |
| static final int NO = 0; |
| static final int NEXTTOKEN = 1; |
| static final int YES = 2; |
| |
| boolean isAlreadyAttached; |
| public CompletionParser(ProblemReporter problemReporter) { |
| super(problemReporter); |
| this.reportSyntaxErrorIsRequired = false; |
| } |
| public char[] assistIdentifier(){ |
| return ((CompletionScanner)scanner).completionIdentifier; |
| } |
| protected void attachOrphanCompletionNode(){ |
| if(assistNode == null || this.isAlreadyAttached) return; |
| |
| this.isAlreadyAttached = true; |
| |
| if (this.isOrphanCompletionNode) { |
| ASTNode orphan = this.assistNode; |
| this.isOrphanCompletionNode = false; |
| |
| if (currentElement instanceof RecoveredUnit){ |
| if (orphan instanceof ImportReference){ |
| currentElement.add((ImportReference)orphan, 0); |
| } |
| } |
| |
| /* if in context of a type, then persists the identifier into a fake field return type */ |
| if (currentElement instanceof RecoveredType){ |
| RecoveredType recoveredType = (RecoveredType)currentElement; |
| /* filter out cases where scanner is still inside type header */ |
| if (recoveredType.foundOpeningBrace) { |
| /* generate a pseudo field with a completion on type reference */ |
| if (orphan instanceof TypeReference){ |
| TypeReference fieldType; |
| |
| int kind = topKnownElementKind(COMPLETION_OR_ASSIST_PARSER); |
| int info = topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER); |
| if(kind == K_BINARY_OPERATOR && info == LESS && this.identifierPtr > -1) { |
| if(this.genericsLengthStack[this.genericsLengthPtr] > 0) { |
| this.consumeTypeArguments(); |
| } |
| this.pushOnGenericsStack(orphan); |
| this.consumeTypeArguments(); |
| fieldType = getTypeReference(0); |
| this.assistNodeParent = fieldType; |
| } else { |
| fieldType = (TypeReference)orphan; |
| } |
| |
| CompletionOnFieldType fieldDeclaration = new CompletionOnFieldType(fieldType, false); |
| |
| // retrieve available modifiers if any |
| if (intPtr >= 2 && intStack[intPtr-1] == this.lastModifiersStart && intStack[intPtr-2] == this.lastModifiers){ |
| fieldDeclaration.modifiersSourceStart = intStack[intPtr-1]; |
| fieldDeclaration.modifiers = intStack[intPtr-2]; |
| } |
| |
| currentElement = currentElement.add(fieldDeclaration, 0); |
| return; |
| } |
| } |
| } |
| /* if in context of a method, persists if inside arguments as a type */ |
| if (currentElement instanceof RecoveredMethod){ |
| RecoveredMethod recoveredMethod = (RecoveredMethod)currentElement; |
| /* only consider if inside method header */ |
| if (!recoveredMethod.foundOpeningBrace) { |
| //if (rParenPos < lParenPos){ // inside arguments |
| if (orphan instanceof TypeReference){ |
| currentElement = currentElement.parent.add( |
| new CompletionOnFieldType((TypeReference)orphan, true), 0); |
| return; |
| } |
| } |
| } |
| |
| if(orphan instanceof MemberValuePair) { |
| buildMoreAnnotationCompletionContext((MemberValuePair) orphan); |
| return; |
| } |
| |
| if(orphan instanceof Annotation) { |
| TypeDeclaration fakeType = |
| new CompletionOnAnnotationOfType( |
| FAKE_TYPE_NAME, |
| this.compilationUnit.compilationResult(), |
| (Annotation)orphan); |
| currentElement.add(fakeType, 0); |
| return; |
| } |
| // add the completion node to the method declaration or constructor declaration |
| if (orphan instanceof Statement) { |
| /* check for completion at the beginning of method body |
| behind an invalid signature |
| */ |
| RecoveredMethod method = currentElement.enclosingMethod(); |
| if (method != null){ |
| AbstractMethodDeclaration methodDecl = method.methodDeclaration; |
| if ((methodDecl.bodyStart == methodDecl.sourceEnd+1) // was missing opening brace |
| && (scanner.getLineNumber(orphan.sourceStart) == scanner.getLineNumber(methodDecl.sourceEnd))){ |
| return; |
| } |
| } |
| // add the completion node as a statement to the list of block statements |
| currentElement = currentElement.add((Statement)orphan, 0); |
| return; |
| } |
| } |
| |
| if (this.isInsideAnnotation()) { |
| // push top expression on ast stack if it contains the completion node |
| Expression expression; |
| if (this.expressionPtr > -1) { |
| expression = this.expressionStack[this.expressionPtr]; |
| if(expression == assistNode) { |
| if(this.topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_BETWEEN_ANNOTATION_NAME_AND_RPAREN) { |
| if (expression instanceof SingleNameReference) { |
| SingleNameReference nameReference = (SingleNameReference) expression; |
| CompletionOnMemberValueName memberValueName = new CompletionOnMemberValueName(nameReference.token, nameReference.sourceStart, nameReference.sourceEnd); |
| |
| buildMoreAnnotationCompletionContext(memberValueName); |
| return; |
| } else if (expression instanceof QualifiedNameReference) { |
| MemberValuePair valuePair = |
| new MemberValuePair(VALUE, expression.sourceStart, expression.sourceEnd, expression); |
| buildMoreAnnotationCompletionContext(valuePair); |
| } |
| } else { |
| int index; |
| if((index = lastIndexOfElement(K_ATTRIBUTE_VALUE_DELIMITER)) != -1) { |
| int attributeIndentifierPtr = this.elementInfoStack[index]; |
| int identLengthPtr = this.identifierLengthPtr; |
| int identPtr = this.identifierPtr; |
| while (attributeIndentifierPtr < identPtr) { |
| identPtr -= this.identifierLengthStack[identLengthPtr--]; |
| } |
| |
| if(attributeIndentifierPtr != identPtr) return; |
| |
| this.identifierLengthPtr = identLengthPtr; |
| this.identifierPtr = identPtr; |
| |
| this.identifierLengthPtr--; |
| MemberValuePair memberValuePair = new MemberValuePair( |
| this.identifierStack[this.identifierPtr--], |
| expression.sourceStart, |
| expression.sourceEnd, |
| expression); |
| |
| buildMoreAnnotationCompletionContext(memberValuePair); |
| return; |
| } |
| } |
| } else { |
| CompletionNodeDetector detector = new CompletionNodeDetector(this.assistNode, expression); |
| if(detector.containsCompletionNode()) { |
| MemberValuePair valuePair = |
| new MemberValuePair(VALUE, expression.sourceStart, expression.sourceEnd, expression); |
| buildMoreAnnotationCompletionContext(valuePair); |
| } |
| } |
| } |
| |
| if (this.astPtr > -1) { |
| ASTNode node = this.astStack[this.astPtr]; |
| if(node instanceof MemberValuePair) { |
| MemberValuePair memberValuePair = (MemberValuePair) node; |
| CompletionNodeDetector detector = new CompletionNodeDetector(this.assistNode, memberValuePair); |
| if(detector.containsCompletionNode()) { |
| buildMoreAnnotationCompletionContext(memberValuePair); |
| this.assistNodeParent = detector.getCompletionNodeParent(); |
| return; |
| } |
| } |
| } |
| } |
| |
| if(this.currentElement instanceof RecoveredType || this.currentElement instanceof RecoveredMethod) { |
| if(this.currentElement instanceof RecoveredType) { |
| RecoveredType recoveredType = (RecoveredType)this.currentElement; |
| if(recoveredType.foundOpeningBrace && this.genericsPtr > -1) { |
| if(this.genericsStack[this.genericsPtr] instanceof TypeParameter) { |
| TypeParameter typeParameter = (TypeParameter) this.genericsStack[this.genericsPtr]; |
| CompletionNodeDetector detector = new CompletionNodeDetector(this.assistNode, typeParameter); |
| if(detector.containsCompletionNode()) { |
| this.currentElement.add(new CompletionOnMethodTypeParameter(new TypeParameter[]{typeParameter},this.compilationUnit.compilationResult()), 0); |
| } |
| return; |
| } |
| } |
| } |
| |
| if ((!isInsideMethod() && !isInsideFieldInitialization())) { |
| if(this.genericsPtr > -1 && this.genericsLengthPtr > -1 && this.genericsIdentifiersLengthPtr > -1) { |
| int kind = topKnownElementKind(COMPLETION_OR_ASSIST_PARSER); |
| int info = topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER); |
| if(kind == K_BINARY_OPERATOR && info == LESS) { |
| this.consumeTypeArguments(); |
| } |
| int numberOfIdentifiers = this.genericsIdentifiersLengthStack[this.genericsIdentifiersLengthPtr]; |
| int genPtr = this.genericsPtr; |
| done : for(int i = 0; i <= this.identifierLengthPtr && numberOfIdentifiers > 0; i++){ |
| int identifierLength = this.identifierLengthStack[this.identifierLengthPtr - i]; |
| int length = this.genericsLengthStack[this.genericsLengthPtr - i]; |
| for(int j = 0; j < length; j++) { |
| ASTNode node = this.genericsStack[genPtr - j]; |
| CompletionNodeDetector detector = new CompletionNodeDetector(this.assistNode, node); |
| if(detector.containsCompletionNode()) { |
| if(node == this.assistNode){ |
| if(this.identifierLengthPtr > -1 && this.identifierLengthStack[this.identifierLengthPtr]!= 0) { |
| TypeReference ref = this.getTypeReference(0); |
| this.assistNodeParent = ref; |
| } |
| } else { |
| this.assistNodeParent = detector.getCompletionNodeParent(); |
| } |
| break done; |
| } |
| } |
| genPtr -= length; |
| numberOfIdentifiers -= identifierLength; |
| } |
| if(this.assistNodeParent != null && this.assistNodeParent instanceof TypeReference) { |
| if(this.currentElement instanceof RecoveredType) { |
| this.currentElement = this.currentElement.add(new CompletionOnFieldType((TypeReference)this.assistNodeParent, false), 0); |
| } else { |
| this.currentElement = this.currentElement.add((TypeReference)this.assistNodeParent, 0); |
| } |
| } |
| } |
| } |
| } |
| |
| // the following code applies only in methods, constructors or initializers |
| if ((!isInsideMethod() && !isInsideFieldInitialization() && !isInsideAttributeValue())) { |
| return; |
| } |
| |
| if(this.genericsPtr > -1) { |
| ASTNode node = this.genericsStack[this.genericsPtr]; |
| CompletionNodeDetector detector = new CompletionNodeDetector(this.assistNode, node); |
| if(detector.containsCompletionNode()) { |
| /* check for completion at the beginning of method body |
| behind an invalid signature |
| */ |
| RecoveredMethod method = this.currentElement.enclosingMethod(); |
| if (method != null){ |
| AbstractMethodDeclaration methodDecl = method.methodDeclaration; |
| if ((methodDecl.bodyStart == methodDecl.sourceEnd+1) // was missing opening brace |
| && (this.scanner.getLineNumber(node.sourceStart) == this.scanner.getLineNumber(methodDecl.sourceEnd))){ |
| return; |
| } |
| } |
| if(node == this.assistNode || |
| ((Wildcard)node).bound == this.assistNode){ |
| buildMoreGenericsCompletionContext(node); |
| } |
| } |
| } |
| |
| // push top expression on ast stack if it contains the completion node |
| Expression expression; |
| if (this.expressionPtr > -1) { |
| expression = this.expressionStack[this.expressionPtr]; |
| CompletionNodeDetector detector = new CompletionNodeDetector(assistNode, expression); |
| if(detector.containsCompletionNode()) { |
| /* check for completion at the beginning of method body |
| behind an invalid signature |
| */ |
| RecoveredMethod method = currentElement.enclosingMethod(); |
| if (method != null){ |
| AbstractMethodDeclaration methodDecl = method.methodDeclaration; |
| if ((methodDecl.bodyStart == methodDecl.sourceEnd+1) // was missing opening brace |
| && (scanner.getLineNumber(expression.sourceStart) == scanner.getLineNumber(methodDecl.sourceEnd))){ |
| return; |
| } |
| } |
| if(expression == assistNode |
| || (expression instanceof AllocationExpression |
| && ((AllocationExpression)expression).type == assistNode)){ |
| buildMoreCompletionContext(expression); |
| } else { |
| assistNodeParent = detector.getCompletionNodeParent(); |
| if(assistNodeParent != null) { |
| currentElement = currentElement.add((Statement)assistNodeParent, 0); |
| } else { |
| currentElement = currentElement.add(expression, 0); |
| } |
| } |
| } |
| } |
| } |
| private void buildMoreAnnotationCompletionContext(MemberValuePair memberValuePair) { |
| if(this.identifierPtr < 0 || this.identifierLengthPtr < 0 ) return; |
| |
| TypeReference typeReference = this.getAnnotationType(); |
| |
| int nodesToRemove = this.astPtr > -1 && this.astStack[this.astPtr] == memberValuePair ? 1 : 0; |
| |
| NormalAnnotation annotation; |
| if (memberValuePair instanceof CompletionOnMemberValueName) { |
| MemberValuePair[] memberValuePairs = null; |
| int length; |
| if (astLengthPtr > -1 && (length = this.astLengthStack[this.astLengthPtr--]) > nodesToRemove) { |
| if (this.astStack[this.astPtr] instanceof MemberValuePair) { |
| System.arraycopy( |
| this.astStack, |
| (this.astPtr -= length) + 1, |
| memberValuePairs = new MemberValuePair[length - nodesToRemove], |
| 0, |
| length - nodesToRemove); |
| } |
| } |
| annotation = |
| new CompletionOnAnnotationMemberValuePair( |
| typeReference, |
| this.intStack[this.intPtr--], |
| memberValuePairs, |
| memberValuePair); |
| |
| this.assistNode = memberValuePair; |
| this.assistNodeParent = annotation; |
| |
| if (memberValuePair.sourceEnd >= this.lastCheckPoint) { |
| this.lastCheckPoint = memberValuePair.sourceEnd + 1; |
| } |
| } else { |
| MemberValuePair[] memberValuePairs = null; |
| int length = 0; |
| if (astLengthPtr > -1 && (length = this.astLengthStack[this.astLengthPtr--]) > nodesToRemove) { |
| if (this.astStack[this.astPtr] instanceof MemberValuePair) { |
| System.arraycopy( |
| this.astStack, |
| (this.astPtr -= length) + 1, |
| memberValuePairs = new MemberValuePair[length - nodesToRemove + 1], |
| 0, |
| length - nodesToRemove); |
| } |
| if(memberValuePairs != null) { |
| memberValuePairs[length - nodesToRemove] = memberValuePair; |
| } else { |
| memberValuePairs = new MemberValuePair[]{memberValuePair}; |
| } |
| } else { |
| memberValuePairs = new MemberValuePair[]{memberValuePair}; |
| } |
| |
| annotation = |
| new NormalAnnotation( |
| typeReference, |
| this.intStack[this.intPtr--]); |
| annotation.memberValuePairs = memberValuePairs; |
| |
| } |
| TypeDeclaration fakeType = |
| new CompletionOnAnnotationOfType( |
| FAKE_TYPE_NAME, |
| this.compilationUnit.compilationResult(), |
| annotation); |
| |
| currentElement.add(fakeType, 0); |
| } |
| private void buildMoreCompletionContext(Expression expression) { |
| Statement statement = expression; |
| int kind = topKnownElementKind(COMPLETION_OR_ASSIST_PARSER); |
| if(kind != 0) { |
| int info = topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER); |
| nextElement : switch (kind) { |
| case K_SELECTOR_QUALIFIER : |
| int selector = topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER, 2); |
| if(selector == THIS_CONSTRUCTOR || selector == SUPER_CONSTRUCTOR) { |
| ExplicitConstructorCall call = new ExplicitConstructorCall( |
| (selector == THIS_CONSTRUCTOR) ? |
| ExplicitConstructorCall.This : |
| ExplicitConstructorCall.Super |
| ); |
| call.arguments = new Expression[] {expression}; |
| call.sourceStart = expression.sourceStart; |
| call.sourceEnd = expression.sourceEnd; |
| assistNodeParent = call; |
| } else { |
| int invocType = topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER,1); |
| int qualifierExprPtr = info; |
| |
| // find arguments |
| int length = expressionLengthStack[expressionLengthPtr]; |
| |
| // search previous arguments if missing |
| if(expressionLengthPtr > 0 && length == 1) { |
| int start = (int) (identifierPositionStack[selector] >>> 32); |
| if(this.expressionStack[expressionPtr-1] != null && this.expressionStack[expressionPtr-1].sourceStart > start) { |
| length += expressionLengthStack[expressionLengthPtr-1]; |
| } |
| |
| } |
| |
| Expression[] arguments = null; |
| if (length != 0) { |
| arguments = new Expression[length]; |
| expressionPtr -= length; |
| System.arraycopy(expressionStack, expressionPtr + 1, arguments, 0, length-1); |
| arguments[length-1] = expression; |
| } |
| |
| if(invocType != ALLOCATION && invocType != QUALIFIED_ALLOCATION) { |
| MessageSend messageSend = new MessageSend(); |
| messageSend.selector = identifierStack[selector]; |
| messageSend.arguments = arguments; |
| |
| // find receiver |
| switch (invocType) { |
| case NO_RECEIVER: |
| messageSend.receiver = ThisReference.implicitThis(); |
| break; |
| case NAME_RECEIVER: |
| // remove special flags for primitive types |
| while (this.identifierLengthPtr >= 0 && this.identifierLengthStack[this.identifierLengthPtr] < 0) { |
| this.identifierLengthPtr--; |
| } |
| |
| // remove selector |
| this.identifierPtr--; |
| this.identifierLengthStack[this.identifierLengthPtr]--; |
| // consume the receiver |
| messageSend.receiver = this.getUnspecifiedReference(); |
| break; |
| case SUPER_RECEIVER: |
| messageSend.receiver = new SuperReference(0, 0); |
| break; |
| case EXPLICIT_RECEIVER: |
| messageSend.receiver = this.expressionStack[qualifierExprPtr]; |
| break; |
| default : |
| messageSend.receiver = ThisReference.implicitThis(); |
| break; |
| } |
| assistNodeParent = messageSend; |
| } else { |
| if(invocType == ALLOCATION) { |
| AllocationExpression allocationExpr = new AllocationExpression(); |
| allocationExpr.arguments = arguments; |
| pushOnGenericsIdentifiersLengthStack(identifierLengthStack[identifierLengthPtr]); |
| pushOnGenericsLengthStack(0); |
| allocationExpr.type = getTypeReference(0); |
| assistNodeParent = allocationExpr; |
| } else { |
| QualifiedAllocationExpression allocationExpr = new QualifiedAllocationExpression(); |
| allocationExpr.enclosingInstance = this.expressionStack[qualifierExprPtr]; |
| allocationExpr.arguments = arguments; |
| pushOnGenericsIdentifiersLengthStack(identifierLengthStack[identifierLengthPtr]); |
| pushOnGenericsLengthStack(0); |
| |
| allocationExpr.type = getTypeReference(0); |
| assistNodeParent = allocationExpr; |
| } |
| } |
| } |
| break nextElement; |
| case K_INSIDE_RETURN_STATEMENT : |
| if(info == bracketDepth) { |
| ReturnStatement returnStatement = new ReturnStatement(expression, expression.sourceStart, expression.sourceEnd); |
| assistNodeParent = returnStatement; |
| } |
| break nextElement; |
| case K_CAST_STATEMENT : |
| Expression castType; |
| if(this.expressionPtr > 0 |
| && ((castType = this.expressionStack[this.expressionPtr-1]) instanceof TypeReference |
| || castType instanceof NameReference)) { |
| CastExpression cast = new CastExpression(expression, getTypeReference(castType)); |
| cast.sourceStart = castType.sourceStart; |
| cast.sourceEnd= expression.sourceEnd; |
| assistNodeParent = cast; |
| } |
| break nextElement; |
| case K_UNARY_OPERATOR : |
| if(expressionPtr > -1) { |
| Expression operatorExpression = null; |
| switch (info) { |
| case PLUS_PLUS : |
| operatorExpression = new PrefixExpression(expression,IntLiteral.One, PLUS, expression.sourceStart); |
| break; |
| case MINUS_MINUS : |
| operatorExpression = new PrefixExpression(expression,IntLiteral.One, MINUS, expression.sourceStart); |
| break; |
| default : |
| operatorExpression = new UnaryExpression(expression, info); |
| break; |
| } |
| if(operatorExpression != null) { |
| assistNodeParent = operatorExpression; |
| } |
| } |
| break nextElement; |
| case K_BINARY_OPERATOR : |
| if(expressionPtr > -1) { |
| Expression operatorExpression = null; |
| Expression left = null; |
| if(expressionPtr == 0) { |
| // it is a ***_NotName rule |
| if(this.identifierPtr > -1) { |
| left = getUnspecifiedReferenceOptimized(); |
| } |
| } else { |
| left = this.expressionStack[expressionPtr-1]; |
| // is it a ***_NotName rule ? |
| if(this.identifierPtr > -1) { |
| int start = (int) (identifierPositionStack[this.identifierPtr] >>> 32); |
| if(left.sourceStart < start) { |
| left = getUnspecifiedReferenceOptimized(); |
| } |
| } |
| } |
| |
| if(left != null) { |
| switch (info) { |
| case AND_AND : |
| operatorExpression = new AND_AND_Expression(left, expression, info); |
| break; |
| case OR_OR : |
| operatorExpression = new OR_OR_Expression(left, expression, info); |
| break; |
| case EQUAL_EQUAL : |
| case NOT_EQUAL : |
| operatorExpression = new EqualExpression(left, expression, info); |
| break; |
| case INSTANCEOF : |
| // should never occur |
| break; |
| default : |
| operatorExpression = new BinaryExpression(left, expression, info); |
| break; |
| } |
| } |
| if(operatorExpression != null) { |
| assistNodeParent = operatorExpression; |
| } |
| } |
| break nextElement; |
| case K_ARRAY_INITIALIZER : |
| ArrayInitializer arrayInitializer = new ArrayInitializer(); |
| arrayInitializer.expressions = new Expression[]{expression}; |
| expressionPtr -= expressionLengthStack[expressionLengthPtr--]; |
| |
| if(expressionLengthPtr > -1 |
| && expressionPtr > -1 |
| && this.expressionStack[expressionPtr] != null |
| && this.expressionStack[expressionPtr].sourceStart > info) { |
| expressionLengthPtr--; |
| } |
| |
| lastCheckPoint = scanner.currentPosition; |
| |
| if(topKnownElementKind(COMPLETION_OR_ASSIST_PARSER, 1) == K_ARRAY_CREATION) { |
| ArrayAllocationExpression allocationExpression = new ArrayAllocationExpression(); |
| pushOnGenericsLengthStack(0); |
| pushOnGenericsIdentifiersLengthStack(identifierLengthStack[identifierLengthPtr]); |
| allocationExpression.type = getTypeReference(0); |
| int length = expressionLengthStack[expressionLengthPtr]; |
| allocationExpression.dimensions = new Expression[length]; |
| |
| allocationExpression.initializer = arrayInitializer; |
| assistNodeParent = allocationExpression; |
| } else if(currentElement instanceof RecoveredField && !(currentElement instanceof RecoveredInitializer)) { |
| RecoveredField recoveredField = (RecoveredField) currentElement; |
| if(recoveredField.fieldDeclaration.type.dimensions() == 0) { |
| Block block = new Block(0); |
| block.sourceStart = info; |
| currentElement = currentElement.add(block, 1); |
| } else { |
| statement = arrayInitializer; |
| } |
| } else if(currentElement instanceof RecoveredLocalVariable) { |
| RecoveredLocalVariable recoveredLocalVariable = (RecoveredLocalVariable) currentElement; |
| if(recoveredLocalVariable.localDeclaration.type.dimensions() == 0) { |
| Block block = new Block(0); |
| block.sourceStart = info; |
| currentElement = currentElement.add(block, 1); |
| } else { |
| statement = arrayInitializer; |
| } |
| } else { |
| statement = arrayInitializer; |
| } |
| break nextElement; |
| case K_ARRAY_CREATION : |
| ArrayAllocationExpression allocationExpression = new ArrayAllocationExpression(); |
| allocationExpression.type = getTypeReference(0); |
| allocationExpression.dimensions = new Expression[]{expression}; |
| |
| assistNodeParent = allocationExpression; |
| break nextElement; |
| case K_ASSISGNMENT_OPERATOR : |
| if(expressionPtr > 0 && expressionStack[expressionPtr - 1] != null) { |
| Assignment assignment; |
| if(info == EQUAL) { |
| assignment = new Assignment( |
| expressionStack[expressionPtr - 1], |
| expression, |
| expression.sourceEnd |
| ); |
| } else { |
| assignment = new CompoundAssignment( |
| expressionStack[expressionPtr - 1], |
| expression, |
| info, |
| expression.sourceEnd |
| ); |
| } |
| assistNodeParent = assignment; |
| } |
| break nextElement; |
| case K_CONDITIONAL_OPERATOR : |
| if(info == QUESTION) { |
| if(expressionPtr > 0) { |
| expressionPtr--; |
| expressionLengthPtr--; |
| expressionStack[expressionPtr] = expressionStack[expressionPtr+1]; |
| popElement(K_CONDITIONAL_OPERATOR); |
| buildMoreCompletionContext(expression); |
| return; |
| } |
| } else { |
| if(expressionPtr > 1) { |
| expressionPtr = expressionPtr - 2; |
| expressionLengthPtr = expressionLengthPtr - 2; |
| expressionStack[expressionPtr] = expressionStack[expressionPtr+2]; |
| popElement(K_CONDITIONAL_OPERATOR); |
| buildMoreCompletionContext(expression); |
| return; |
| } |
| } |
| break nextElement; |
| case K_BETWEEN_LEFT_AND_RIGHT_BRACKET : |
| ArrayReference arrayReference; |
| if(identifierPtr < 0 && expressionPtr > 0 && expressionStack[expressionPtr] == expression) { |
| arrayReference = |
| new ArrayReference( |
| expressionStack[expressionPtr-1], |
| expression); |
| } else { |
| arrayReference = |
| new ArrayReference( |
| getUnspecifiedReferenceOptimized(), |
| expression); |
| } |
| assistNodeParent = arrayReference; |
| break; |
| case K_BETWEEN_CASE_AND_COLON : |
| if(this.expressionPtr > 0) { |
| SwitchStatement switchStatement = new SwitchStatement(); |
| switchStatement.expression = this.expressionStack[this.expressionPtr - 1]; |
| if(this.astLengthPtr > -1 && this.astPtr > -1) { |
| int length = this.astLengthStack[this.astLengthPtr]; |
| int newAstPtr = this.astPtr - length; |
| ASTNode firstNode = this.astStack[newAstPtr + 1]; |
| if(length != 0 && firstNode.sourceStart > switchStatement.expression.sourceEnd) { |
| switchStatement.statements = new Statement[length + 1]; |
| System.arraycopy( |
| this.astStack, |
| newAstPtr + 1, |
| switchStatement.statements, |
| 0, |
| length); |
| } |
| } |
| CaseStatement caseStatement = new CaseStatement(expression, expression.sourceStart, expression.sourceEnd); |
| if(switchStatement.statements == null) { |
| switchStatement.statements = new Statement[]{caseStatement}; |
| } else { |
| switchStatement.statements[switchStatement.statements.length - 1] = caseStatement; |
| } |
| assistNodeParent = switchStatement; |
| } |
| break; |
| } |
| } |
| if(assistNodeParent != null) { |
| currentElement = currentElement.add((Statement)assistNodeParent, 0); |
| } else { |
| if(currentElement instanceof RecoveredField && !(currentElement instanceof RecoveredInitializer) |
| && ((RecoveredField) currentElement).fieldDeclaration.initialization == null) { |
| |
| assistNodeParent = ((RecoveredField) currentElement).fieldDeclaration; |
| currentElement = currentElement.add(statement, 0); |
| } else if(currentElement instanceof RecoveredLocalVariable |
| && ((RecoveredLocalVariable) currentElement).localDeclaration.initialization == null) { |
| |
| assistNodeParent = ((RecoveredLocalVariable) currentElement).localDeclaration; |
| currentElement = currentElement.add(statement, 0); |
| } else { |
| currentElement = currentElement.add(expression, 0); |
| } |
| } |
| } |
| private void buildMoreGenericsCompletionContext(ASTNode node) { |
| int kind = topKnownElementKind(COMPLETION_OR_ASSIST_PARSER); |
| if(kind != 0) { |
| int info = topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER); |
| nextElement : switch (kind) { |
| case K_BINARY_OPERATOR : |
| int prevKind = topKnownElementKind(COMPLETION_OR_ASSIST_PARSER, 1); |
| switch (prevKind) { |
| case K_PARAMETERIZED_ALLOCATION : |
| if(this.invocationType == ALLOCATION || this.invocationType == QUALIFIED_ALLOCATION) { |
| currentElement = currentElement.add((TypeReference)node, 0); |
| } |
| break nextElement; |
| case K_PARAMETERIZED_METHOD_INVOCATION : |
| currentElement = currentElement.add((TypeReference)node, 0); |
| break nextElement; |
| } |
| if(info == LESS && node instanceof TypeReference) { |
| if(this.identifierLengthPtr > -1 && this.identifierLengthStack[this.identifierLengthPtr]!= 0) { |
| this.consumeTypeArguments(); |
| TypeReference ref = this.getTypeReference(0); |
| if(prevKind == K_PARAMETERIZED_CAST) { |
| ref = computeQualifiedGenericsFromRightSide(ref, 0); |
| } |
| currentElement = currentElement.add(ref, 0); |
| } else if (currentElement.enclosingMethod().methodDeclaration.isConstructor()) { |
| currentElement = currentElement.add((TypeReference)node, 0); |
| } |
| } |
| break; |
| } |
| } |
| } |
| public int bodyEnd(AbstractMethodDeclaration method){ |
| return cursorLocation; |
| } |
| public int bodyEnd(Initializer initializer){ |
| return cursorLocation; |
| } |
| /** |
| * Checks if the completion is on the exception type of a catch clause. |
| * Returns whether we found a completion node. |
| */ |
| private boolean checkCatchClause() { |
| if ((topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_BETWEEN_CATCH_AND_RIGHT_PAREN) && this.identifierPtr > -1) { |
| // NB: if the cursor is on the variable, then it has been reduced (so identifierPtr is -1), |
| // thus this can only be a completion on the type of the catch clause |
| pushOnElementStack(K_NEXT_TYPEREF_IS_EXCEPTION); |
| this.assistNode = getTypeReference(0); |
| popElement(K_NEXT_TYPEREF_IS_EXCEPTION); |
| this.lastCheckPoint = this.assistNode.sourceEnd + 1; |
| this.isOrphanCompletionNode = true; |
| return true; |
| } |
| return false; |
| } |
| /** |
| * Checks if the completion is on the type following a 'new'. |
| * Returns whether we found a completion node. |
| */ |
| private boolean checkClassInstanceCreation() { |
| if (topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_BETWEEN_NEW_AND_LEFT_BRACKET) { |
| int length = identifierLengthStack[identifierLengthPtr]; |
| int numberOfIdentifiers = this.genericsIdentifiersLengthStack[this.genericsIdentifiersLengthPtr]; |
| if (length != numberOfIdentifiers || this.genericsLengthStack[this.genericsLengthPtr] != 0) { |
| // no class instance creation with a parameterized type |
| return true; |
| } |
| |
| // completion on type inside an allocation expression |
| |
| TypeReference type; |
| if (this.invocationType == ALLOCATION) { |
| // non qualified allocation expression |
| AllocationExpression allocExpr = new AllocationExpression(); |
| if (topKnownElementKind(COMPLETION_OR_ASSIST_PARSER, 1) == K_INSIDE_THROW_STATEMENT |
| && topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER, 1) == this.bracketDepth) { |
| pushOnElementStack(K_NEXT_TYPEREF_IS_EXCEPTION); |
| type = getTypeReference(0); |
| popElement(K_NEXT_TYPEREF_IS_EXCEPTION); |
| } else { |
| type = getTypeReference(0); |
| } |
| allocExpr.type = type; |
| allocExpr.sourceStart = type.sourceStart; |
| allocExpr.sourceEnd = type.sourceEnd; |
| pushOnExpressionStack(allocExpr); |
| this.isOrphanCompletionNode = false; |
| } else { |
| // qualified allocation expression |
| QualifiedAllocationExpression allocExpr = new QualifiedAllocationExpression(); |
| pushOnGenericsIdentifiersLengthStack(identifierLengthStack[identifierLengthPtr]); |
| pushOnGenericsLengthStack(0); |
| if (topKnownElementKind(COMPLETION_OR_ASSIST_PARSER, 1) == K_INSIDE_THROW_STATEMENT |
| && topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER, 1) == this.bracketDepth) { |
| pushOnElementStack(K_NEXT_TYPEREF_IS_EXCEPTION); |
| type = getTypeReference(0); |
| popElement(K_NEXT_TYPEREF_IS_EXCEPTION); |
| } else { |
| type = getTypeReference(0); |
| } |
| allocExpr.type = type; |
| allocExpr.enclosingInstance = this.expressionStack[this.qualifier]; |
| allocExpr.sourceStart = this.intStack[this.intPtr--]; |
| allocExpr.sourceEnd = type.sourceEnd; |
| this.expressionStack[this.qualifier] = allocExpr; // attach it now (it replaces the qualifier expression) |
| this.isOrphanCompletionNode = false; |
| } |
| this.assistNode = type; |
| this.lastCheckPoint = type.sourceEnd + 1; |
| |
| popElement(K_BETWEEN_NEW_AND_LEFT_BRACKET); |
| return true; |
| } |
| return false; |
| } |
| /** |
| * Checks if the completion is on the dot following an array type, |
| * a primitive type or an primitive array type. |
| * Returns whether we found a completion node. |
| */ |
| private boolean checkClassLiteralAccess() { |
| if (this.identifierLengthPtr >= 1 && this.previousToken == TokenNameDOT) { // (NB: the top id length is 1 and it is for the completion identifier) |
| int length; |
| // if the penultimate id length is negative, |
| // the completion is after a primitive type or a primitive array type |
| if ((length = this.identifierLengthStack[this.identifierLengthPtr-1]) < 0) { |
| // build the primitive type node |
| int dim = this.isAfterArrayType() ? this.intStack[this.intPtr--] : 0; |
| SingleTypeReference typeRef = (SingleTypeReference)TypeReference.baseTypeReference(-length, dim); |
| typeRef.sourceStart = this.intStack[this.intPtr--]; |
| if (dim == 0) { |
| typeRef.sourceEnd = this.intStack[this.intPtr--]; |
| } else { |
| this.intPtr--; |
| typeRef.sourceEnd = this.endPosition; |
| } |
| //typeRef.sourceEnd = typeRef.sourceStart + typeRef.token.length; // NB: It's ok to use the length of the token since it doesn't contain any unicode |
| |
| // find the completion identifier and its source positions |
| char[] source = identifierStack[identifierPtr]; |
| long pos = this.identifierPositionStack[this.identifierPtr--]; |
| this.identifierLengthPtr--; // it can only be a simple identifier (so its length is one) |
| |
| // build the completion on class literal access node |
| CompletionOnClassLiteralAccess access = new CompletionOnClassLiteralAccess(pos, typeRef); |
| access.completionIdentifier = source; |
| this.identifierLengthPtr--; // pop the length that was used to say it is a primitive type |
| this.assistNode = access; |
| this.isOrphanCompletionNode = true; |
| return true; |
| } |
| |
| // if the completion is after a regular array type |
| if (isAfterArrayType()) { |
| // find the completion identifier and its source positions |
| char[] source = identifierStack[identifierPtr]; |
| long pos = this.identifierPositionStack[this.identifierPtr--]; |
| this.identifierLengthPtr--; // it can only be a simple identifier (so its length is one) |
| |
| // get the type reference |
| pushOnGenericsIdentifiersLengthStack(identifierLengthStack[identifierLengthPtr]); |
| pushOnGenericsLengthStack(0); |
| |
| TypeReference typeRef = getTypeReference(this.intStack[this.intPtr--]); |
| |
| // build the completion on class literal access node |
| CompletionOnClassLiteralAccess access = new CompletionOnClassLiteralAccess(pos, typeRef); |
| access.completionIdentifier = source; |
| this.assistNode = access; |
| this.isOrphanCompletionNode = true; |
| return true; |
| } |
| |
| } |
| return false; |
| } |
| private boolean checkKeyword() { |
| if (currentElement instanceof RecoveredUnit) { |
| RecoveredUnit unit = (RecoveredUnit) currentElement; |
| int index = -1; |
| if ((index = this.indexOfAssistIdentifier()) > -1) { |
| int ptr = this.identifierPtr - this.identifierLengthStack[this.identifierLengthPtr] + index + 1; |
| |
| char[] ident = identifierStack[ptr]; |
| long pos = identifierPositionStack[ptr]; |
| |
| char[][] keywords = new char[Keywords.COUNT][]; |
| int count = 0; |
| if(unit.typeCount == 0 |
| && lastModifiers == AccDefault |
| && CharOperation.prefixEquals(identifierStack[ptr], Keywords.IMPORT)) { |
| keywords[count++] = Keywords.IMPORT; |
| } |
| if(unit.typeCount == 0 |
| && unit.importCount == 0 |
| && lastModifiers == AccDefault |
| && compilationUnit.currentPackage == null |
| && CharOperation.prefixEquals(identifierStack[ptr], Keywords.PACKAGE)) { |
| keywords[count++] = Keywords.PACKAGE; |
| } |
| if((lastModifiers & AccPublic) == 0 |
| && CharOperation.prefixEquals(identifierStack[ptr], Keywords.PUBLIC)) { |
| boolean hasNoPublicType = true; |
| for (int i = 0; i < unit.typeCount; i++) { |
| if((unit.types[i].typeDeclaration.modifiers & AccPublic) != 0) { |
| hasNoPublicType = false; |
| } |
| } |
| if(hasNoPublicType) { |
| keywords[count++] = Keywords.PUBLIC; |
| } |
| } |
| if((lastModifiers & AccAbstract) == 0 |
| && (lastModifiers & AccFinal) == 0 |
| && CharOperation.prefixEquals(identifierStack[ptr], Keywords.ABSTRACT)) { |
| keywords[count++] = Keywords.ABSTRACT; |
| } |
| if((lastModifiers & AccAbstract) == 0 |
| && (lastModifiers & AccFinal) == 0 |
| && CharOperation.prefixEquals(identifierStack[ptr], Keywords.FINAL)) { |
| keywords[count++] = Keywords.FINAL; |
| } |
| if(CharOperation.prefixEquals(identifierStack[ptr], Keywords.CLASS)) { |
| keywords[count++] = Keywords.CLASS; |
| } |
| if((lastModifiers & AccFinal) == 0 |
| && CharOperation.prefixEquals(identifierStack[ptr], Keywords.INTERFACE)) { |
| keywords[count++] = Keywords.INTERFACE; |
| } |
| if(count != 0) { |
| System.arraycopy(keywords, 0, keywords = new char[count][], 0, count); |
| |
| this.assistNode = new CompletionOnKeyword2(ident, pos, keywords); |
| this.lastCheckPoint = assistNode.sourceEnd + 1; |
| this.isOrphanCompletionNode = true; |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| private boolean checkInstanceofKeyword() { |
| if(isInsideMethod()) { |
| int kind = topKnownElementKind(COMPLETION_OR_ASSIST_PARSER); |
| int index; |
| if(kind != K_BLOCK_DELIMITER |
| && (index = indexOfAssistIdentifier()) > -1 |
| && expressionPtr > -1 |
| && expressionLengthStack[expressionPtr] == 1) { |
| |
| int ptr = this.identifierPtr - this.identifierLengthStack[this.identifierLengthPtr] + index + 1; |
| if(identifierStack[ptr].length > 0 && CharOperation.prefixEquals(identifierStack[ptr], Keywords.INSTANCEOF)) { |
| this.assistNode = new CompletionOnKeyword3( |
| identifierStack[ptr], |
| identifierPositionStack[ptr], |
| Keywords.INSTANCEOF); |
| this.lastCheckPoint = assistNode.sourceEnd + 1; |
| this.isOrphanCompletionNode = true; |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| /** |
| * Checks if the completion is inside a method invocation or a constructor invocation. |
| * Returns whether we found a completion node. |
| */ |
| private boolean checkInvocation() { |
| Expression topExpression = this.expressionPtr >= 0 ? |
| this.expressionStack[this.expressionPtr] : |
| null; |
| boolean isEmptyNameCompletion = false; |
| boolean isEmptyAssistIdentifier = false; |
| if (topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_SELECTOR_QUALIFIER |
| && ((isEmptyNameCompletion = topExpression == this.assistNode && this.isEmptyNameCompletion()) // eg. it is something like "this.fred([cursor]" but it is not something like "this.fred(1 + [cursor]" |
| || (isEmptyAssistIdentifier = this.indexOfAssistIdentifier() >= 0 && this.identifierStack[this.identifierPtr].length == 0))) { // eg. it is something like "this.fred(1 [cursor]" |
| |
| // pop empty name completion |
| if (isEmptyNameCompletion) { |
| this.expressionPtr--; |
| this.expressionLengthStack[this.expressionLengthPtr]--; |
| } else if (isEmptyAssistIdentifier) { |
| this.identifierPtr--; |
| this.identifierLengthPtr--; |
| } |
| |
| // find receiver and qualifier |
| int invocType = topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER, 1); |
| int qualifierExprPtr = topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER); |
| |
| // find arguments |
| int numArgs = this.expressionPtr - qualifierExprPtr; |
| int argStart = qualifierExprPtr + 1; |
| Expression[] arguments = null; |
| if (numArgs > 0) { |
| // remember the arguments |
| arguments = new Expression[numArgs]; |
| System.arraycopy(this.expressionStack, argStart, arguments, 0, numArgs); |
| |
| // consume the expression arguments |
| this.expressionPtr -= numArgs; |
| int count = numArgs; |
| while (count > 0) { |
| count -= this.expressionLengthStack[this.expressionLengthPtr--]; |
| } |
| } |
| |
| // build ast node |
| if (invocType != ALLOCATION && invocType != QUALIFIED_ALLOCATION) { |
| // creates completion on message send |
| CompletionOnMessageSend messageSend = new CompletionOnMessageSend(); |
| messageSend.arguments = arguments; |
| switch (invocType) { |
| case NO_RECEIVER: |
| // implicit this |
| messageSend.receiver = ThisReference.implicitThis(); |
| break; |
| case NAME_RECEIVER: |
| // remove special flags for primitive types |
| while (this.identifierLengthPtr >= 0 && this.identifierLengthStack[this.identifierLengthPtr] < 0) { |
| this.identifierLengthPtr--; |
| } |
| |
| // remove selector |
| this.identifierPtr--; |
| this.identifierLengthStack[this.identifierLengthPtr]--; |
| // consume the receiver |
| messageSend.receiver = this.getUnspecifiedReference(); |
| break; |
| case SUPER_RECEIVER: |
| messageSend.receiver = new SuperReference(0, 0); |
| break; |
| case EXPLICIT_RECEIVER: |
| messageSend.receiver = this.expressionStack[qualifierExprPtr]; |
| } |
| |
| // set selector |
| int selectorPtr = topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER, 2); |
| messageSend.selector = this.identifierStack[selectorPtr]; |
| // remove selector |
| if (this.identifierLengthPtr >=0 && this.identifierLengthStack[this.identifierLengthPtr] == 1) { |
| this.identifierPtr--; |
| this.identifierLengthPtr--; |
| } |
| |
| // the entire message may be replaced in case qualification is needed |
| messageSend.sourceStart = (int)(this.identifierPositionStack[selectorPtr] >> 32); //this.cursorLocation + 1; |
| messageSend.sourceEnd = this.cursorLocation; |
| |
| // remember the message send as an orphan completion node |
| this.assistNode = messageSend; |
| this.lastCheckPoint = messageSend.sourceEnd + 1; |
| this.isOrphanCompletionNode = true; |
| return true; |
| } else { |
| int selectorPtr = topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER, 2); |
| if (selectorPtr == THIS_CONSTRUCTOR || selectorPtr == SUPER_CONSTRUCTOR) { |
| // creates an explicit constructor call |
| CompletionOnExplicitConstructorCall call = new CompletionOnExplicitConstructorCall( |
| (selectorPtr == THIS_CONSTRUCTOR) ? ExplicitConstructorCall.This : ExplicitConstructorCall.Super); |
| call.arguments = arguments; |
| if (invocType == QUALIFIED_ALLOCATION) { |
| call.qualification = this.expressionStack[qualifierExprPtr]; |
| } |
| |
| // no source is going to be replaced |
| call.sourceStart = this.cursorLocation + 1; |
| call.sourceEnd = this.cursorLocation; |
| |
| // remember the explicit constructor call as an orphan completion node |
| this.assistNode = call; |
| this.lastCheckPoint = call.sourceEnd + 1; |
| this.isOrphanCompletionNode = true; |
| return true; |
| } else { |
| // creates an allocation expression |
| CompletionOnQualifiedAllocationExpression allocExpr = new CompletionOnQualifiedAllocationExpression(); |
| allocExpr.arguments = arguments; |
| pushOnGenericsLengthStack(0); |
| pushOnGenericsIdentifiersLengthStack(identifierLengthStack[identifierLengthPtr]); |
| allocExpr.type = super.getTypeReference(0); // we don't want a completion node here, so call super |
| if (invocType == QUALIFIED_ALLOCATION) { |
| allocExpr.enclosingInstance = this.expressionStack[qualifierExprPtr]; |
| } |
| // no source is going to be replaced |
| allocExpr.sourceStart = this.cursorLocation + 1; |
| allocExpr.sourceEnd = this.cursorLocation; |
| |
| // remember the allocation expression as an orphan completion node |
| this.assistNode = allocExpr; |
| this.lastCheckPoint = allocExpr.sourceEnd + 1; |
| this.isOrphanCompletionNode = true; |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| /** |
| * Checks if the completion is on a member access (ie. in an identifier following a dot). |
| * Returns whether we found a completion node. |
| */ |
| private boolean checkMemberAccess() { |
| if (this.previousToken == TokenNameDOT && this.qualifier > -1 && this.expressionPtr == this.qualifier) { |
| // the receiver is an expression |
| pushCompletionOnMemberAccessOnExpressionStack(false); |
| return true; |
| } |
| return false; |
| } |
| /** |
| * Checks if the completion is on a name reference. |
| * Returns whether we found a completion node. |
| */ |
| private boolean checkNameCompletion() { |
| /* |
| We didn't find any other completion, but the completion identifier is on the identifier stack, |
| so it can only be a completion on name. |
| Note that we allow the completion on a name even if nothing is expected (eg. foo() b[cursor] would |
| be a completion on 'b'). This policy gives more to the user than he/she would expect, but this |
| simplifies the problem. To fix this, the recovery must be changed to work at a 'statement' granularity |
| instead of at the 'expression' granularity as it does right now. |
| */ |
| |
| // NB: at this point the completion identifier is on the identifier stack |
| this.assistNode = getUnspecifiedReferenceOptimized(); |
| this.lastCheckPoint = this.assistNode.sourceEnd + 1; |
| this.isOrphanCompletionNode = true; |
| return true; |
| } |
| private boolean checkParemeterizedType() { |
| if(this.identifierLengthPtr > -1 && this.genericsLengthPtr > -1 && this.genericsIdentifiersLengthPtr > -1) { |
| int length = this.identifierLengthStack[this.identifierLengthPtr]; |
| int numberOfIdentifiers = this.genericsIdentifiersLengthStack[this.genericsIdentifiersLengthPtr]; |
| if (length != numberOfIdentifiers || this.genericsLengthStack[this.genericsLengthPtr] != 0) { |
| this.genericsIdentifiersLengthPtr--; |
| this.identifierLengthPtr--; |
| // generic type |
| this.assistNode = getAssistTypeReferenceForGenericType(0, length, numberOfIdentifiers); |
| this.lastCheckPoint = this.assistNode.sourceEnd + 1; |
| this.isOrphanCompletionNode = true; |
| return true; |
| } else if(this.genericsPtr > -1 && this.genericsStack[this.genericsPtr] instanceof TypeReference) { |
| // type of a cast expression |
| numberOfIdentifiers++; |
| |
| this.genericsIdentifiersLengthPtr--; |
| this.identifierLengthPtr--; |
| // generic type |
| this.assistNode = getAssistTypeReferenceForGenericType(0, length, numberOfIdentifiers); |
| this.lastCheckPoint = this.assistNode.sourceEnd + 1; |
| this.isOrphanCompletionNode = true; |
| return true; |
| } |
| } |
| return false; |
| } |
| /** |
| * Checks if the completion is in the context of a method and on the type of one of its arguments |
| * Returns whether we found a completion node. |
| */ |
| private boolean checkRecoveredMethod() { |
| if (currentElement instanceof RecoveredMethod){ |
| /* check if current awaiting identifier is the completion identifier */ |
| if (this.indexOfAssistIdentifier() < 0) return false; |
| |
| /* check if on line with an error already - to avoid completing inside |
| illegal type names e.g. int[<cursor> */ |
| if (lastErrorEndPosition <= cursorLocation+1 |
| && scanner.getLineNumber(lastErrorEndPosition) |
| == scanner.getLineNumber(((CompletionScanner)scanner).completedIdentifierStart)){ |
| return false; |
| } |
| RecoveredMethod recoveredMethod = (RecoveredMethod)currentElement; |
| /* only consider if inside method header */ |
| if (!recoveredMethod.foundOpeningBrace |
| && lastIgnoredToken == -1) { |
| //if (rParenPos < lParenPos){ // inside arguments |
| this.assistNode = this.getTypeReference(0); |
| this.lastCheckPoint = this.assistNode.sourceEnd + 1; |
| this.isOrphanCompletionNode = true; |
| return true; |
| } |
| } |
| return false; |
| } |
| private boolean checkMemberValueName() { |
| /* check if current awaiting identifier is the completion identifier */ |
| if (this.indexOfAssistIdentifier() < 0) return false; |
| |
| if (this.topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) != K_BETWEEN_ANNOTATION_NAME_AND_RPAREN) return false; |
| |
| if(this.identifierPtr > -1 && this.identifierLengthPtr > -1 && this.identifierLengthStack[this.identifierLengthPtr] == 1) { |
| char[] simpleName = this.identifierStack[this.identifierPtr]; |
| long position = this.identifierPositionStack[this.identifierPtr--]; |
| this.identifierLengthPtr--; |
| int end = (int) position; |
| int start = (int) (position >>> 32); |
| |
| |
| CompletionOnMemberValueName memberValueName = new CompletionOnMemberValueName(simpleName,start, end); |
| this.assistNode = memberValueName; |
| this.lastCheckPoint = this.assistNode.sourceEnd + 1; |
| this.isOrphanCompletionNode = true; |
| |
| return true; |
| } |
| return false; |
| } |
| /** |
| * Checks if the completion is in the context of a type and on a type reference in this type. |
| * Persists the identifier into a fake field return type |
| * Returns whether we found a completion node. |
| */ |
| private boolean checkRecoveredType() { |
| if (currentElement instanceof RecoveredType){ |
| /* check if current awaiting identifier is the completion identifier */ |
| if (this.indexOfAssistIdentifier() < 0) return false; |
| |
| /* check if on line with an error already - to avoid completing inside |
| illegal type names e.g. int[<cursor> */ |
| if ((lastErrorEndPosition <= cursorLocation+1) |
| && scanner.getLineNumber(lastErrorEndPosition) |
| == scanner.getLineNumber(((CompletionScanner)scanner).completedIdentifierStart)){ |
| return false; |
| } |
| RecoveredType recoveredType = (RecoveredType)currentElement; |
| /* filter out cases where scanner is still inside type header */ |
| if (recoveredType.foundOpeningBrace) { |
| // complete generics stack if necessary |
| if(this.genericsIdentifiersLengthStack[this.genericsIdentifiersLengthPtr] <= this.identifierPtr) { |
| pushOnGenericsIdentifiersLengthStack(this.identifierLengthStack[this.identifierLengthPtr]); |
| pushOnGenericsLengthStack(0); // handle type arguments |
| } |
| this.assistNode = this.getTypeReference(0); |
| this.lastCheckPoint = this.assistNode.sourceEnd + 1; |
| this.isOrphanCompletionNode = true; |
| return true; |
| } else { |
| if(recoveredType.typeDeclaration.superclass == null && |
| this.topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_EXTENDS_KEYWORD) { |
| this.consumeClassOrInterfaceName(); |
| this.pushOnElementStack(K_NEXT_TYPEREF_IS_CLASS); |
| this.assistNode = this.getTypeReference(0); |
| this.popElement(K_NEXT_TYPEREF_IS_CLASS); |
| this.lastCheckPoint = this.assistNode.sourceEnd + 1; |
| this.isOrphanCompletionNode = true; |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| /* |
| * Check whether about to shift beyond the completion token. |
| * If so, depending on the context, a special node might need to be created |
| * and attached to the existing recovered structure so as to be remember in the |
| * resulting parsed structure. |
| */ |
| public void completionIdentifierCheck(){ |
| //if (assistNode != null) return; |
| |
| if (checkMemberValueName()) return; |
| if (checkKeyword()) return; |
| if (checkRecoveredType()) return; |
| if (checkRecoveredMethod()) return; |
| |
| // if not in a method in non diet mode and if not inside a field initializer, only record references attached to types |
| if (!(isInsideMethod() && !this.diet) |
| && !isIndirectlyInsideFieldInitialization() |
| && !isInsideAttributeValue()) return; |
| |
| /* |
| In some cases, the completion identifier may not have yet been consumed, |
| e.g. int.[cursor] |
| This is because the grammar does not allow any (empty) identifier to follow |
| a base type. We thus have to manually force the identifier to be consumed |
| (that is, pushed). |
| */ |
| if (assistIdentifier() == null && this.currentToken == TokenNameIdentifier) { // Test below copied from CompletionScanner.getCurrentIdentifierSource() |
| if (cursorLocation < this.scanner.startPosition && this.scanner.currentPosition == this.scanner.startPosition){ // fake empty identifier got issued |
| this.pushIdentifier(); |
| } else if (cursorLocation+1 >= this.scanner.startPosition && cursorLocation < this.scanner.currentPosition){ |
| this.pushIdentifier(); |
| } |
| } |
| |
| // check for different scenarii |
| // no need to go further if we found a non empty completion node |
| // (we still need to store labels though) |
| if (this.assistNode != null) { |
| // however inside an invocation, the completion identifier may already have been consumed into an empty name |
| // completion, so this check should be before we check that we are at the cursor location |
| if (!isEmptyNameCompletion() || checkInvocation()) return; |
| } |
| |
| // no need to check further if we are not at the cursor location |
| if (this.indexOfAssistIdentifier() < 0) return; |
| |
| if (checkClassInstanceCreation()) return; |
| if (checkCatchClause()) return; |
| if (checkMemberAccess()) return; |
| if (checkClassLiteralAccess()) return; |
| if (checkInstanceofKeyword()) return; |
| |
| // if the completion was not on an empty name, it can still be inside an invocation (eg. this.fred("abc"[cursor]) |
| // (NB: Put this check before checkNameCompletion() because the selector of the invocation can be on the identifier stack) |
| if (checkInvocation()) return; |
| |
| if (checkParemeterizedType()) return; |
| if (checkNameCompletion()) return; |
| } |
| protected void consumeArrayCreationExpressionWithInitializer() { |
| super.consumeArrayCreationExpressionWithInitializer(); |
| popElement(K_ARRAY_CREATION); |
| } |
| protected void consumeArrayCreationExpressionWithoutInitializer() { |
| super.consumeArrayCreationExpressionWithoutInitializer(); |
| popElement(K_ARRAY_CREATION); |
| } |
| protected void consumeArrayCreationHeader() { |
| // nothing to do |
| } |
| protected void consumeAssignment() { |
| popElement(K_ASSISGNMENT_OPERATOR); |
| super.consumeAssignment(); |
| } |
| protected void consumeAssignmentOperator(int pos) { |
| super.consumeAssignmentOperator(pos); |
| pushOnElementStack(K_ASSISGNMENT_OPERATOR, pos); |
| } |
| protected void consumeBinaryExpression(int op) { |
| super.consumeBinaryExpression(op); |
| popElement(K_BINARY_OPERATOR); |
| |
| if(expressionStack[expressionPtr] instanceof BinaryExpression) { |
| BinaryExpression exp = (BinaryExpression) expressionStack[expressionPtr]; |
| if(assistNode != null && exp.right == assistNode) { |
| assistNodeParent = exp; |
| } |
| } |
| } |
| protected void consumeBinaryExpressionWithName(int op) { |
| super.consumeBinaryExpressionWithName(op); |
| popElement(K_BINARY_OPERATOR); |
| |
| if(expressionStack[expressionPtr] instanceof BinaryExpression) { |
| BinaryExpression exp = (BinaryExpression) expressionStack[expressionPtr]; |
| if(assistNode != null && exp.right == assistNode) { |
| assistNodeParent = exp; |
| } |
| } |
| } |
| protected void consumeCaseLabel() { |
| super.consumeCaseLabel(); |
| if(topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) != K_SWITCH_LABEL) { |
| pushOnElementStack(K_SWITCH_LABEL); |
| } |
| } |
| protected void consumeCastExpressionWithPrimitiveType() { |
| popElement(K_CAST_STATEMENT); |
| |
| Expression exp, cast, castType; |
| expressionPtr--; |
| expressionLengthPtr--; |
| expressionStack[expressionPtr] = cast = new CastExpression(exp = expressionStack[expressionPtr+1], castType = expressionStack[expressionPtr]); |
| cast.sourceStart = castType.sourceStart - 1; |
| cast.sourceEnd = exp.sourceEnd; |
| } |
| protected void consumeCastExpressionWithGenericsArray() { |
| popElement(K_CAST_STATEMENT); |
| |
| Expression exp, cast, castType; |
| expressionPtr--; |
| expressionLengthPtr--; |
| this.expressionStack[this.expressionPtr] = cast = new CastExpression(exp = this.expressionStack[this.expressionPtr + 1], castType = this.expressionStack[this.expressionPtr]); |
| cast.sourceStart = castType.sourceStart - 1; |
| cast.sourceEnd = exp.sourceEnd; |
| } |
| |
| protected void consumeCastExpressionWithQualifiedGenericsArray() { |
| popElement(K_CAST_STATEMENT); |
| |
| Expression exp, cast, castType; |
| expressionPtr--; |
| expressionLengthPtr--; |
| this.expressionStack[this.expressionPtr] = cast = new CastExpression(exp = this.expressionStack[this.expressionPtr + 1], castType = this.expressionStack[this.expressionPtr]); |
| cast.sourceStart = castType.sourceStart - 1; |
| cast.sourceEnd = exp.sourceEnd; |
| } |
| protected void consumeCastExpressionWithNameArray() { |
| // CastExpression ::= PushLPAREN Name Dims PushRPAREN InsideCastExpression UnaryExpressionNotPlusMinus |
| popElement(K_CAST_STATEMENT); |
| |
| Expression exp, cast, castType; |
| |
| expressionPtr--; |
| expressionLengthPtr--; |
| expressionStack[expressionPtr] = cast = new CastExpression(exp = expressionStack[expressionPtr+1], castType = this.expressionStack[this.expressionPtr]); |
| cast.sourceStart = castType.sourceStart - 1; |
| cast.sourceEnd = exp.sourceEnd; |
| } |
| protected void consumeCastExpressionLL1() { |
| popElement(K_CAST_STATEMENT); |
| super.consumeCastExpressionLL1(); |
| } |
| protected void consumeClassBodyDeclaration() { |
| popElement(K_BLOCK_DELIMITER); |
| super.consumeClassBodyDeclaration(); |
| } |
| protected void consumeClassBodyopt() { |
| popElement(K_SELECTOR_QUALIFIER); |
| popElement(K_SELECTOR_INVOCATION_TYPE); |
| super.consumeClassBodyopt(); |
| } |
| protected void consumeClassHeaderName1() { |
| super.consumeClassHeaderName1(); |
| |
| if (currentElement != null |
| && currentToken == TokenNameIdentifier |
| && this.cursorLocation+1 >= scanner.startPosition |
| && this.cursorLocation < scanner.currentPosition){ |
| this.pushIdentifier(); |
| |
| int index = -1; |
| /* check if current awaiting identifier is the completion identifier */ |
| if ((index = this.indexOfAssistIdentifier()) > -1) { |
| int ptr = this.identifierPtr - this.identifierLengthStack[this.identifierLengthPtr] + index + 1; |
| RecoveredType recoveredType = (RecoveredType)currentElement; |
| /* filter out cases where scanner is still inside type header */ |
| if (!recoveredType.foundOpeningBrace) { |
| char[][] keywords = new char[Keywords.COUNT][]; |
| int count = 0; |
| |
| TypeDeclaration type = recoveredType.typeDeclaration; |
| if(type.superInterfaces == null) { |
| if(type.superclass == null) { |
| keywords[count++] = Keywords.EXTENDS; |
| } |
| keywords[count++] = Keywords.IMPLEMENTS; |
| } |
| |
| System.arraycopy(keywords, 0, keywords = new char[count][], 0, count); |
| |
| if(count > 0) { |
| type.superclass = new CompletionOnKeyword1( |
| identifierStack[ptr], |
| identifierPositionStack[ptr], |
| keywords); |
| type.superclass.bits |= ASTNode.IsSuperType; |
| this.assistNode = type.superclass; |
| this.lastCheckPoint = type.superclass.sourceEnd + 1; |
| } |
| } |
| } |
| } |
| } |
| protected void consumeClassHeaderExtends() { |
| pushOnElementStack(K_NEXT_TYPEREF_IS_CLASS); |
| super.consumeClassHeaderExtends(); |
| popElement(K_NEXT_TYPEREF_IS_CLASS); |
| popElement(K_EXTENDS_KEYWORD); |
| |
| if (currentElement != null |
| && currentToken == TokenNameIdentifier |
| && this.cursorLocation+1 >= scanner.startPosition |
| && this.cursorLocation < scanner.currentPosition){ |
| this.pushIdentifier(); |
| |
| int index = -1; |
| /* check if current awaiting identifier is the completion identifier */ |
| if ((index = this.indexOfAssistIdentifier()) > -1) { |
| int ptr = this.identifierPtr - this.identifierLengthStack[this.identifierLengthPtr] + index + 1; |
| RecoveredType recoveredType = (RecoveredType)currentElement; |
| /* filter out cases where scanner is still inside type header */ |
| if (!recoveredType.foundOpeningBrace) { |
| TypeDeclaration type = recoveredType.typeDeclaration; |
| if(type.superInterfaces == null) { |
| type.superclass = new CompletionOnKeyword1( |
| identifierStack[ptr], |
| identifierPositionStack[ptr], |
| Keywords.IMPLEMENTS); |
| type.superclass.bits |= ASTNode.IsSuperType; |
| this.assistNode = type.superclass; |
| this.lastCheckPoint = type.superclass.sourceEnd + 1; |
| } |
| } |
| } |
| } |
| } |
| protected void consumeClassTypeElt() { |
| pushOnElementStack(K_NEXT_TYPEREF_IS_EXCEPTION); |
| super.consumeClassTypeElt(); |
| popElement(K_NEXT_TYPEREF_IS_EXCEPTION); |
| } |
| protected void consumeConditionalExpression(int op) { |
| popElement(K_CONDITIONAL_OPERATOR); |
| super.consumeConditionalExpression(op); |
| } |
| protected void consumeConditionalExpressionWithName(int op) { |
| popElement(K_CONDITIONAL_OPERATOR); |
| super.consumeConditionalExpressionWithName(op); |
| } |
| protected void consumeConstructorBody() { |
| popElement(K_BLOCK_DELIMITER); |
| super.consumeConstructorBody(); |
| } |
| protected void consumeConstructorHeader() { |
| super.consumeConstructorHeader(); |
| pushOnElementStack(K_BLOCK_DELIMITER); |
| } |
| protected void consumeConstructorHeaderName() { |
| |
| /* no need to take action if not inside assist identifiers */ |
| if (indexOfAssistIdentifier() < 0) { |
| super.consumeConstructorHeaderName(); |
| return; |
| } |
| |
| /* force to start recovering in order to get fake field behavior */ |
| if (currentElement == null){ |
| this.hasReportedError = true; // do not report any error |
| } |
| pushOnGenericsIdentifiersLengthStack(this.identifierLengthStack[this.identifierLengthPtr]); |
| pushOnGenericsLengthStack(0); // handle type arguments |
| this.restartRecovery = true; |
| } |
| protected void consumeDefaultLabel() { |
| super.consumeDefaultLabel(); |
| if(topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_SWITCH_LABEL) { |
| popElement(K_SWITCH_LABEL); |
| } |
| pushOnElementStack(K_SWITCH_LABEL, DEFAULT); |
| } |
| protected void consumeDimWithOrWithOutExpr() { |
| // DimWithOrWithOutExpr ::= '[' ']' |
| pushOnExpressionStack(null); |
| } |
| protected void consumeEnterAnonymousClassBody() { |
| popElement(K_SELECTOR_QUALIFIER); |
| popElement(K_SELECTOR_INVOCATION_TYPE); |
| super.consumeEnterAnonymousClassBody(); |
| } |
| protected void consumeEnterVariable() { |
| identifierPtr--; |
| identifierLengthPtr--; |
| |
| boolean isLocalDeclaration = nestedMethod[nestedType] != 0; |
| int variableIndex = variablesCounter[nestedType]; |
| int extendedDimension = intStack[intPtr + 1]; |
| |
| if(isLocalDeclaration || indexOfAssistIdentifier() < 0 || variableIndex != 0 || extendedDimension != 0) { |
| identifierPtr++; |
| identifierLengthPtr++; |
| super.consumeEnterVariable(); |
| } else { |
| restartRecovery = true; |
| |
| // private boolean checkKeyword() { |
| // if (currentElement instanceof RecoveredUnit) { |
| // RecoveredUnit unit = (RecoveredUnit) currentElement; |
| // int index = -1; |
| // if ((index = this.indexOfAssistIdentifier()) > -1) { |
| // if(unit.typeCount == 0 |
| // && CharOperation.prefixEquals(identifierStack[index], Keywords.IMPORT)) { |
| // CompletionOnKeyword2 completionOnImportKeyword = new CompletionOnKeyword2(Keywords.IMPORT, identifierPositionStack[index]); |
| // this.assistNode = completionOnImportKeyword; |
| // this.lastCheckPoint = completionOnImportKeyword.sourceEnd + 1; |
| // this.isOrphanCompletionNode = true; |
| // return true; |
| // } else if(unit.typeCount == 0 |
| // && unit.importCount == 0 |
| // && CharOperation.prefixEquals(identifierStack[index], Keywords.PACKAGE)) { |
| // CompletionOnKeyword2 completionOnImportKeyword = new CompletionOnKeyword2(Keywords.PACKAGE, identifierPositionStack[index]); |
| // this.assistNode = completionOnImportKeyword; |
| // this.lastCheckPoint = completionOnImportKeyword.sourceEnd + 1; |
| // this.isOrphanCompletionNode = true; |
| // return true; |
| // } |
| // } |
| // } |
| // return false; |
| // } |
| |
| // recovery |
| if (currentElement != null) { |
| if(!checkKeyword() && !(currentElement instanceof RecoveredUnit && ((RecoveredUnit)currentElement).typeCount == 0)) { |
| int nameSourceStart = (int)(identifierPositionStack[identifierPtr] >>> 32); |
| intPtr--; |
| // pushOnGenericsIdentifiersLengthStack(identifierLengthStack[identifierLengthPtr]); |
| // pushOnGenericsLengthStack(0); |
| TypeReference type = getTypeReference(intStack[intPtr--]); |
| intPtr--; |
| |
| if (!(currentElement instanceof RecoveredType) |
| && (currentToken == TokenNameDOT |
| || (scanner.getLineNumber(type.sourceStart) |
| != scanner.getLineNumber(nameSourceStart)))){ |
| lastCheckPoint = nameSourceStart; |
| restartRecovery = true; |
| return; |
| } |
| |
| FieldDeclaration completionFieldDecl = new CompletionOnFieldType(type, false); |
| completionFieldDecl.modifiers = intStack[intPtr--]; |
| assistNode = completionFieldDecl; |
| lastCheckPoint = type.sourceEnd + 1; |
| currentElement = currentElement.add(completionFieldDecl, 0); |
| lastIgnoredToken = -1; |
| } |
| } |
| } |
| } |
| protected void consumeEqualityExpression(int op) { |
| super.consumeEqualityExpression(op); |
| popElement(K_BINARY_OPERATOR); |
| |
| BinaryExpression exp = (BinaryExpression) expressionStack[expressionPtr]; |
| if(assistNode != null && exp.right == assistNode) { |
| assistNodeParent = exp; |
| } |
| } |
| protected void consumeEqualityExpressionWithName(int op) { |
| super.consumeEqualityExpressionWithName(op); |
| popElement(K_BINARY_OPERATOR); |
| |
| BinaryExpression exp = (BinaryExpression) expressionStack[expressionPtr]; |
| if(assistNode != null && exp.right == assistNode) { |
| assistNodeParent = exp; |
| } |
| } |
| protected void consumeExitVariableWithInitialization() { |
| super.consumeExitVariableWithInitialization(); |
| |
| // does not keep the initialization if completion is not inside |
| AbstractVariableDeclaration variable = (AbstractVariableDeclaration) astStack[astPtr]; |
| if (cursorLocation + 1 < variable.initialization.sourceStart || |
| cursorLocation > variable.initialization.sourceEnd) { |
| variable.initialization = null; |
| } else if (assistNode != null && assistNode == variable.initialization) { |
| assistNodeParent = variable; |
| } |
| } |
| protected void consumeExplicitConstructorInvocation(int flag, int recFlag) { |
| popElement(K_SELECTOR_QUALIFIER); |
| popElement(K_SELECTOR_INVOCATION_TYPE); |
| super.consumeExplicitConstructorInvocation(flag, recFlag); |
| } |
| /* |
| * Copy of code from superclass with the following change: |
| * If the cursor location is on the field access, then create a |
| * CompletionOnMemberAccess instead. |
| */ |
| protected void consumeFieldAccess(boolean isSuperAccess) { |
| // FieldAccess ::= Primary '.' 'Identifier' |
| // FieldAccess ::= 'super' '.' 'Identifier' |
| |
| // potential receiver is being poped, so reset potential receiver |
| this.invocationType = NO_RECEIVER; |
| this.qualifier = -1; |
| |
| if (this.indexOfAssistIdentifier() < 0) { |
| super.consumeFieldAccess(isSuperAccess); |
| } else { |
| this.pushCompletionOnMemberAccessOnExpressionStack(isSuperAccess); |
| } |
| } |
| protected void consumeForceNoDiet() { |
| super.consumeForceNoDiet(); |
| if (isInsideMethod()) { |
| pushOnElementStack(K_LOCAL_INITIALIZER_DELIMITER); |
| } |
| } |
| protected void consumeFormalParameter(boolean isVarArgs) { |
| if (this.indexOfAssistIdentifier() < 0) { |
| super.consumeFormalParameter(isVarArgs); |
| } else { |
| |
| identifierLengthPtr--; |
| char[] identifierName = identifierStack[identifierPtr]; |
| long namePositions = identifierPositionStack[identifierPtr--]; |
| int extendedDimensions = this.intStack[this.intPtr--]; |
| int endOfEllipsis = 0; |
| if (isVarArgs) { |
| endOfEllipsis = this.intStack[this.intPtr--]; |
| } |
| int firstDimensions = this.intStack[this.intPtr--]; |
| final int typeDimensions = firstDimensions + extendedDimensions; |
| TypeReference type = getTypeReference(typeDimensions); |
| if (isVarArgs) { |
| type = copyDims(type, typeDimensions + 1); |
| if (extendedDimensions == 0) { |
| type.sourceEnd = endOfEllipsis; |
| } |
| type.bits |= ASTNode.IsVarArgs; // set isVarArgs |
| } |
| intPtr -= 2; |
| CompletionOnArgumentName arg = |
| new CompletionOnArgumentName( |
| identifierName, |
| namePositions, |
| type, |
| intStack[intPtr + 1] & ~AccDeprecated); // modifiers |
| // consume annotations |
| int length; |
| if ((length = this.expressionLengthStack[this.expressionLengthPtr--]) != 0) { |
| System.arraycopy( |
| this.expressionStack, |
| (this.expressionPtr -= length) + 1, |
| arg.annotations = new Annotation[length], |
| 0, |
| length); |
| } |
| |
| arg.isCatchArgument = topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_BETWEEN_CATCH_AND_RIGHT_PAREN; |
| pushOnAstStack(arg); |
| |
| assistNode = arg; |
| this.lastCheckPoint = (int) namePositions; |
| isOrphanCompletionNode = true; |
| |
| /* if incomplete method header, listLength counter will not have been reset, |
| indicating that some arguments are available on the stack */ |
| listLength++; |
| } |
| } |
| protected void consumeInsideCastExpression() { |
| int end = intStack[intPtr--]; |
| if(this.identifierLengthStack[this.identifierLengthPtr] > 0) { |
| pushOnGenericsIdentifiersLengthStack(this.identifierLengthStack[this.identifierLengthPtr]); |
| if(this.genericsLengthPtr < 0) { |
| pushOnGenericsLengthStack(0); |
| } |
| } |
| Expression castType = getTypeReference(intStack[intPtr--]); |
| castType.sourceEnd = end - 1; |
| castType.sourceStart = intStack[intPtr--] + 1; |
| pushOnExpressionStack(castType); |
| |
| pushOnElementStack(K_CAST_STATEMENT); |
| } |
| protected void consumeInsideCastExpressionLL1() { |
| super.consumeInsideCastExpressionLL1(); |
| pushOnElementStack(K_CAST_STATEMENT); |
| } |
| protected void consumeInsideCastExpressionWithQualifiedGenerics() { |
| Expression castType; |
| int end = this.intStack[this.intPtr--]; |
| |
| int dim = this.intStack[this.intPtr--]; |
| TypeReference rightSide = getTypeReference(0); |
| |
| castType = computeQualifiedGenericsFromRightSide(rightSide, dim); |
| castType.sourceEnd = end - 1; |
| castType.sourceStart = this.intStack[this.intPtr--] + 1; |
| pushOnExpressionStack(castType); |
| |
| pushOnElementStack(K_CAST_STATEMENT); |
| } |
| protected void consumeInstanceOfExpression(int op) { |
| super.consumeInstanceOfExpression(op); |
| popElement(K_BINARY_OPERATOR); |
| |
| InstanceOfExpression exp = (InstanceOfExpression) expressionStack[expressionPtr]; |
| if(assistNode != null && exp.type == assistNode) { |
| assistNodeParent = exp; |
| } |
| } |
| protected void consumeInstanceOfExpressionWithName(int op) { |
| super.consumeInstanceOfExpressionWithName(op); |
| popElement(K_BINARY_OPERATOR); |
| |
| InstanceOfExpression exp = (InstanceOfExpression) expressionStack[expressionPtr]; |
| if(assistNode != null && exp.type == assistNode) { |
| assistNodeParent = exp; |
| } |
| } |
| protected void consumeInterfaceHeaderName1() { |
| super.consumeInterfaceHeaderName1(); |
| |
| if (currentElement != null |
| && currentToken == TokenNameIdentifier |
| && this.cursorLocation+1 >= scanner.startPosition |
| && this.cursorLocation < scanner.currentPosition){ |
| this.pushIdentifier(); |
| |
| int index = -1; |
| /* check if current awaiting identifier is the completion identifier */ |
| if ((index = this.indexOfAssistIdentifier()) > -1) { |
| int ptr = this.identifierPtr - this.identifierLengthStack[this.identifierLengthPtr] + index + 1; |
| RecoveredType recoveredType = (RecoveredType)currentElement; |
| /* filter out cases where scanner is still inside type header */ |
| if (!recoveredType.foundOpeningBrace) { |
| TypeDeclaration type = recoveredType.typeDeclaration; |
| if(type.superInterfaces == null) { |
| CompletionOnKeyword1 completionOnKeyword = new CompletionOnKeyword1( |
| identifierStack[ptr], |
| identifierPositionStack[ptr], |
| Keywords.EXTENDS); |
| type.superInterfaces = new TypeReference[]{completionOnKeyword}; |
| type.superInterfaces[0].bits |= ASTNode.IsSuperType; |
| this.assistNode = completionOnKeyword; |
| this.lastCheckPoint = completionOnKeyword.sourceEnd + 1; |
| } |
| } |
| } |
| } |
| } |
| protected void consumeInterfaceHeaderExtends() { |
| super.consumeInterfaceHeaderExtends(); |
| popElement(K_EXTENDS_KEYWORD); |
| } |
| protected void consumeInterfaceType() { |
| pushOnElementStack(K_NEXT_TYPEREF_IS_INTERFACE); |
| super.consumeInterfaceType(); |
| popElement(K_NEXT_TYPEREF_IS_INTERFACE); |
| } |
| protected void consumeMethodInvocationName() { |
| popElement(K_SELECTOR_QUALIFIER); |
| popElement(K_SELECTOR_INVOCATION_TYPE); |
| super.consumeMethodInvocationName(); |
| } |
| protected void consumeMethodInvocationPrimary() { |
| popElement(K_SELECTOR_QUALIFIER); |
| popElement(K_SELECTOR_INVOCATION_TYPE); |
| super.consumeMethodInvocationPrimary(); |
| } |
| protected void consumeMethodInvocationSuper() { |
| popElement(K_SELECTOR_QUALIFIER); |
| popElement(K_SELECTOR_INVOCATION_TYPE); |
| super.consumeMethodInvocationSuper(); |
| } |
| protected void consumeMethodHeaderName(boolean isAnnotationMethod) { |
| if(this.indexOfAssistIdentifier() < 0) { |
| identifierPtr--; |
| identifierLengthPtr--; |
| if(this.indexOfAssistIdentifier() != 0 || |
| this.identifierLengthStack[this.identifierLengthPtr] != this.genericsIdentifiersLengthStack[this.genericsIdentifiersLengthPtr]) { |
| identifierPtr++; |
| identifierLengthPtr++; |
| super.consumeMethodHeaderName(isAnnotationMethod); |
| } else { |
| restartRecovery = true; |
| |
| // recovery |
| if (currentElement != null) { |
| //name |
| char[] selector = identifierStack[identifierPtr + 1]; |
| long selectorSource = identifierPositionStack[identifierPtr + 1]; |
| |
| //type |
| TypeReference type = getTypeReference(intStack[intPtr--]); |
| ((CompletionOnSingleTypeReference)type).isCompletionNode = false; |
| //modifiers |
| int declarationSourceStart = intStack[intPtr--]; |
| int mod = intStack[intPtr--]; |
| |
| if(scanner.getLineNumber(type.sourceStart) != scanner.getLineNumber((int) (selectorSource >>> 32))) { |
| FieldDeclaration completionFieldDecl = new CompletionOnFieldType(type, false); |
| // consume annotations |
| int length; |
| if ((length = this.expressionLengthStack[this.expressionLengthPtr--]) != 0) { |
| System.arraycopy( |
| this.expressionStack, |
| (this.expressionPtr -= length) + 1, |
| completionFieldDecl.annotations = new Annotation[length], |
| 0, |
| length); |
| } |
| completionFieldDecl.modifiers = mod; |
| assistNode = completionFieldDecl; |
| lastCheckPoint = type.sourceEnd + 1; |
| currentElement = currentElement.add(completionFieldDecl, 0); |
| lastIgnoredToken = -1; |
| } else { |
| CompletionOnMethodReturnType md = new CompletionOnMethodReturnType(type, this.compilationUnit.compilationResult); |
| // consume annotations |
| int length; |
| if ((length = this.expressionLengthStack[this.expressionLengthPtr--]) != 0) { |
| System.arraycopy( |
| this.expressionStack, |
| (this.expressionPtr -= length) + 1, |
| md.annotations = new Annotation[length], |
| 0, |
| length); |
| } |
| md.selector = selector; |
| md.declarationSourceStart = declarationSourceStart; |
| md.modifiers = mod; |
| md.bodyStart = lParenPos+1; |
| listLength = 0; // initialize listLength before reading parameters/throws |
| assistNode = md; |
| this.lastCheckPoint = md.bodyStart; |
| currentElement = currentElement.add(md, 0); |
| lastIgnoredToken = -1; |
| // javadoc |
| md.javadoc = this.javadoc; |
| this.javadoc = null; |
| } |
| } |
| } |
| } else { |
| // MethodHeaderName ::= Modifiersopt Type 'Identifier' '(' |
| CompletionOnMethodName md = new CompletionOnMethodName(this.compilationUnit.compilationResult); |
| |
| //name |
| md.selector = identifierStack[identifierPtr]; |
| long selectorSource = identifierPositionStack[identifierPtr--]; |
| identifierLengthPtr--; |
| //type |
| md.returnType = getTypeReference(intStack[intPtr--]); |
| //modifiers |
| md.declarationSourceStart = intStack[intPtr--]; |
| md.modifiers = intStack[intPtr--]; |
| // consume annotations |
| int length; |
| if ((length = this.expressionLengthStack[this.expressionLengthPtr--]) != 0) { |
| System.arraycopy( |
| this.expressionStack, |
| (this.expressionPtr -= length) + 1, |
| md.annotations = new Annotation[length], |
| 0, |
| length); |
| } |
| // javadoc |
| md.javadoc = this.javadoc; |
| this.javadoc = null; |
| |
| //highlight starts at selector start |
| md.sourceStart = (int) (selectorSource >>> 32); |
| md.selectorEnd = (int) selectorSource; |
| pushOnAstStack(md); |
| md.sourceEnd = lParenPos; |
| md.bodyStart = lParenPos+1; |
| listLength = 0; // initialize listLength before reading parameters/throws |
| |
| this.assistNode = md; |
| this.lastCheckPoint = md.sourceEnd; |
| // recovery |
| if (currentElement != null){ |
| if (currentElement instanceof RecoveredType |
| //|| md.modifiers != 0 |
| || (scanner.getLineNumber(md.returnType.sourceStart) |
| == scanner.getLineNumber(md.sourceStart))){ |
| lastCheckPoint = md.bodyStart; |
| currentElement = currentElement.add(md, 0); |
| lastIgnoredToken = -1; |
| } else { |
| lastCheckPoint = md.sourceStart; |
| restartRecovery = true; |
| } |
| } |
| } |
| } |
| protected void consumeMethodHeaderRightParen() { |
| super.consumeMethodHeaderRightParen(); |
| |
| if (currentElement != null |
| && currentToken == TokenNameIdentifier |
| && this.cursorLocation+1 >= scanner.startPosition |
| && this.cursorLocation < scanner.currentPosition){ |
| this.pushIdentifier(); |
| |
| int index = -1; |
| /* check if current awaiting identifier is the completion identifier */ |
| if ((index = this.indexOfAssistIdentifier()) > -1) { |
| int ptr = this.identifierPtr - this.identifierLengthStack[this.identifierLengthPtr] + index + 1; |
| if (currentElement instanceof RecoveredMethod){ |
| RecoveredMethod recoveredMethod = (RecoveredMethod)currentElement; |
| /* filter out cases where scanner is still inside type header */ |
| if (!recoveredMethod.foundOpeningBrace) { |
| AbstractMethodDeclaration method = recoveredMethod.methodDeclaration; |
| if(method.thrownExceptions == null |
| && CharOperation.prefixEquals(identifierStack[ptr], Keywords.THROWS)) { |
| CompletionOnKeyword1 completionOnKeyword = new CompletionOnKeyword1( |
| identifierStack[ptr], |
| identifierPositionStack[ptr], |
| Keywords.THROWS); |
| method.thrownExceptions = new TypeReference[]{completionOnKeyword}; |
| recoveredMethod.foundOpeningBrace = true; |
| this.assistNode = completionOnKeyword; |
| this.lastCheckPoint = completionOnKeyword.sourceEnd + 1; |
| } |
| } |
| } |
| } |
| } |
| } |
| protected void consumeMethodHeaderExtendedDims() { |
| super.consumeMethodHeaderExtendedDims(); |
| |
| if (currentElement != null |
| && currentToken == TokenNameIdentifier |
| && this.cursorLocation+1 >= scanner.startPosition |
| && this.cursorLocation < scanner.currentPosition){ |
| this.pushIdentifier(); |
| |
| int index = -1; |
| /* check if current awaiting identifier is the completion identifier */ |
| if ((index = this.indexOfAssistIdentifier()) > -1) { |
| int ptr = this.identifierPtr - this.identifierLengthStack[this.identifierLengthPtr] + index + 1; |
| RecoveredMethod recoveredMethod = (RecoveredMethod)currentElement; |
| /* filter out cases where scanner is still inside type header */ |
| if (!recoveredMethod.foundOpeningBrace) { |
| AbstractMethodDeclaration method = recoveredMethod.methodDeclaration; |
| if(method.thrownExceptions == null) { |
| CompletionOnKeyword1 completionOnKeyword = new CompletionOnKeyword1( |
| identifierStack[ptr], |
| identifierPositionStack[ptr], |
| Keywords.THROWS); |
| method.thrownExceptions = new TypeReference[]{completionOnKeyword}; |
| recoveredMethod.foundOpeningBrace = true; |
| this.assistNode = completionOnKeyword; |
| this.lastCheckPoint = completionOnKeyword.sourceEnd + 1; |
| } |
| } |
| } |
| } |
| } |
| protected void consumeAnnotationName() { |
| int index; |
| |
| if ((index = this.indexOfAssistIdentifier()) < 0) { |
| super.consumeAnnotationName(); |
| this.pushOnElementStack(K_BETWEEN_ANNOTATION_NAME_AND_RPAREN, LPAREN_NOT_CONSUMED); |
| return; |
| } |
| |
| MarkerAnnotation markerAnnotation = null; |
| int length = this.identifierLengthStack[this.identifierLengthPtr]; |
| TypeReference typeReference; |
| |
| /* retrieve identifiers subset and whole positions, the assist node positions |
| should include the entire replaced source. */ |
| |
| char[][] subset = identifierSubSet(index); |
| identifierLengthPtr--; |
| identifierPtr -= length; |
| long[] positions = new long[length]; |
| System.arraycopy( |
| identifierPositionStack, |
| identifierPtr + 1, |
| positions, |
| 0, |
| length); |
| |
| /* build specific assist on type reference */ |
| |
| if (index == 0) { |
| /* assist inside first identifier */ |
| typeReference = this.createSingleAssistTypeReference( |
| assistIdentifier(), |
| positions[0]); |
| } else { |
| /* assist inside subsequent identifier */ |
| typeReference = this.createQualifiedAssistTypeReference( |
| subset, |
| assistIdentifier(), |
| positions); |
| } |
| |
| markerAnnotation = new CompletionOnMarkerAnnotationName(typeReference, typeReference.sourceStart); |
| this.intPtr--; |
| markerAnnotation.declarationSourceEnd = markerAnnotation.sourceEnd; |
| pushOnExpressionStack(markerAnnotation); |
| |
| assistNode = markerAnnotation; |
| this.isOrphanCompletionNode = true; |
| this.restartRecovery = true; |
| |
| this.lastCheckPoint = markerAnnotation.sourceEnd + 1; |
| } |
| protected void consumeMarkerAnnotation() { |
| this.popElement(K_BETWEEN_ANNOTATION_NAME_AND_RPAREN); |
| super.consumeMarkerAnnotation(); |
| } |
| protected void consumeMemberValuePair() { |
| /* check if current awaiting identifier is the completion identifier */ |
| if (this.indexOfAssistIdentifier() < 0){ |
| super.consumeMemberValuePair(); |
| MemberValuePair memberValuePair = (MemberValuePair) this.astStack[this.astPtr]; |
| if(this.assistNode != null && memberValuePair.value == this.assistNode) { |
| this.assistNodeParent = memberValuePair; |
| } |
| return; |
| } |
| |
| char[] simpleName = this.identifierStack[this.identifierPtr]; |
| long position = this.identifierPositionStack[this.identifierPtr--]; |
| this.identifierLengthPtr--; |
| int end = (int) position; |
| int start = (int) (position >>> 32); |
| |
| this.expressionPtr--; |
| this.expressionLengthPtr--; |
| |
| CompletionOnMemberValueName memberValueName = new CompletionOnMemberValueName(simpleName,start, end); |
| this.pushOnAstStack(memberValueName); |
| this.assistNode = memberValueName; |
| this.lastCheckPoint = this.assistNode.sourceEnd + 1; |
| this.isOrphanCompletionNode = true; |
| |
| this.restartRecovery = true; |
| } |
| protected void consumeMemberValueAsName() { |
| if ((indexOfAssistIdentifier()) < 0) { |
| super.consumeMemberValueAsName(); |
| } else { |
| super.consumeMemberValueAsName(); |
| if(this.topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_BETWEEN_ANNOTATION_NAME_AND_RPAREN) { |
| this.restartRecovery = true; |
| } |
| } |
| } |
| protected void consumeMethodBody() { |
| popElement(K_BLOCK_DELIMITER); |
| super.consumeMethodBody(); |
| } |
| protected void consumeMethodHeader() { |
| super.consumeMethodHeader(); |
| pushOnElementStack(K_BLOCK_DELIMITER); |
| } |
| protected void consumeModifiers() { |
| super.consumeModifiers(); |
| // save from stack values |
| this.lastModifiersStart = intStack[intPtr]; |
| this.lastModifiers = intStack[intPtr-1]; |
| } |
| protected void consumeReferenceType() { |
| if (this.identifierLengthStack[this.identifierLengthPtr] > 1) { // reducing a qualified name |
| // potential receiver is being poped, so reset potential receiver |
| this.invocationType = NO_RECEIVER; |
| this.qualifier = -1; |
| } |
| super.consumeReferenceType(); |
| } |
| protected void consumeRestoreDiet() { |
| super.consumeRestoreDiet(); |
| if (isInsideMethod()) { |
| popElement(K_LOCAL_INITIALIZER_DELIMITER); |
| } |
| } |
| protected void consumeSingleMemberAnnotation() { |
| this.popElement(K_BETWEEN_ANNOTATION_NAME_AND_RPAREN); |
| super.consumeSingleMemberAnnotation(); |
| } |
| protected void consumeStatementSwitch() { |
| super.consumeStatementSwitch(); |
| if(topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_SWITCH_LABEL) { |
| popElement(K_SWITCH_LABEL); |
| popElement(K_BLOCK_DELIMITER); |
| } |
| } |
| protected void consumeNestedMethod() { |
| super.consumeNestedMethod(); |
| if(!(topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_BLOCK_DELIMITER)) pushOnElementStack(K_BLOCK_DELIMITER); |
| } |
| protected void consumeNormalAnnotation() { |
| this.popElement(K_BETWEEN_ANNOTATION_NAME_AND_RPAREN); |
| super.consumeNormalAnnotation(); |
| } |
| protected void consumePrimaryNoNewArrayName() { |
| // this is class literal access, so reset potential receiver |
| this.invocationType = NO_RECEIVER; |
| this.qualifier = -1; |
| |
| super.consumePrimaryNoNewArrayName(); |
| } |
| protected void consumePushPosition() { |
| super.consumePushPosition(); |
| if(topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_BINARY_OPERATOR) { |
| int info = topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER); |
| popElement(K_BINARY_OPERATOR); |
| pushOnElementStack(K_UNARY_OPERATOR, info); |
| } |
| } |
| protected void consumeToken(int token) { |
| if(isFirst) { |
| super.consumeToken(token); |
| return; |
| } |
| if(canBeExplicitConstructor == NEXTTOKEN) { |
| canBeExplicitConstructor = YES; |
| } else { |
| canBeExplicitConstructor = NO; |
| } |
| |
| int previous = this.previousToken; |
| int prevIdentifierPtr = this.previousIdentifierPtr; |
| |
| if (isInsideMethod() || isInsideFieldInitialization() || isInsideAnnotation()) { |
| switch(token) { |
| case TokenNameLPAREN: |
| popElement(K_BETWEEN_NEW_AND_LEFT_BRACKET); |
| break; |
| case TokenNameLBRACE: |
| popElement(K_BETWEEN_NEW_AND_LEFT_BRACKET); |
| break; |
| case TokenNameLBRACKET: |
| if(topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_BETWEEN_NEW_AND_LEFT_BRACKET) { |
| popElement(K_BETWEEN_NEW_AND_LEFT_BRACKET); |
| pushOnElementStack(K_ARRAY_CREATION); |
| } |
| break; |
| case TokenNameRBRACE: |
| if(topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_BLOCK_DELIMITER) { |
| popElement(K_BLOCK_DELIMITER); |
| } else { |
| popElement(K_ARRAY_INITIALIZER); |
| } |
| break; |
| case TokenNameRBRACKET: |
| if(topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_BETWEEN_LEFT_AND_RIGHT_BRACKET) { |
| popElement(K_BETWEEN_LEFT_AND_RIGHT_BRACKET); |
| } |
| break; |
| |
| } |
| } |
| super.consumeToken(token); |
| |
| // if in field initializer (directly or not), on the completion identifier and not in recovery mode yet |
| // then position end of file at cursor location (so that we have the same behavior as |
| // in method bodies) |
| if (token == TokenNameIdentifier |
| && this.identifierStack[this.identifierPtr] == assistIdentifier() |
| && this.currentElement == null |
| && this.isIndirectlyInsideFieldInitialization()) { |
| this.scanner.eofPosition = cursorLocation < Integer.MAX_VALUE ? cursorLocation+1 : cursorLocation; |
| } |
| |
| // if in a method or if in a field initializer |
| if (isInsideMethod() || isInsideFieldInitialization() || isInsideAttributeValue()) { |
| switch (token) { |
| case TokenNameDOT: |
| switch (previous) { |
| case TokenNamethis: // eg. this[.]fred() |
| this.invocationType = EXPLICIT_RECEIVER; |
| break; |
| case TokenNamesuper: // eg. super[.]fred() |
| this.invocationType = SUPER_RECEIVER; |
| break; |
| case TokenNameIdentifier: // eg. bar[.]fred() |
| if (topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) != K_BETWEEN_NEW_AND_LEFT_BRACKET) { |
| if (this.identifierPtr != prevIdentifierPtr) { // if identifier has been consumed, eg. this.x[.]fred() |
| this.invocationType = EXPLICIT_RECEIVER; |
| } else { |
| this.invocationType = NAME_RECEIVER; |
| } |
| } |
| break; |
| } |
| break; |
| case TokenNameIdentifier: |
| if (previous == TokenNameDOT) { // eg. foo().[fred]() |
| if (this.invocationType != SUPER_RECEIVER // eg. not super.[fred]() |
| && this.invocationType != NAME_RECEIVER // eg. not bar.[fred]() |
| && this.invocationType != ALLOCATION // eg. not new foo.[Bar]() |
| && this.invocationType != QUALIFIED_ALLOCATION) { // eg. not fred().new foo.[Bar]() |
| |
| this.invocationType = EXPLICIT_RECEIVER; |
| this.qualifier = this.expressionPtr; |
| } |
| } |
| break; |
| case TokenNamenew: |
| pushOnElementStack(K_BETWEEN_NEW_AND_LEFT_BRACKET); |
| this.qualifier = this.expressionPtr; // NB: even if there is no qualification, set it to the expression ptr so that the number of arguments are correctly computed |
| if (previous == TokenNameDOT) { // eg. fred().[new] X() |
| this.invocationType = QUALIFIED_ALLOCATION; |
| } else { // eg. [new] X() |
| this.invocationType = ALLOCATION; |
| } |
| break; |
| case TokenNamethis: |
| if (previous == TokenNameDOT) { // eg. fred().[this]() |
| this.invocationType = QUALIFIED_ALLOCATION; |
| this.qualifier = this.expressionPtr; |
| } |
| break; |
| case TokenNamesuper: |
| if (previous == TokenNameDOT) { // eg. fred().[super]() |
| this.invocationType = QUALIFIED_ALLOCATION; |
| this.qualifier = this.expressionPtr; |
| } |
| break; |
| case TokenNamecatch: |
| pushOnElementStack(K_BETWEEN_CATCH_AND_RIGHT_PAREN); |
| break; |
| case TokenNameLPAREN: |
| if (this.invocationType == NO_RECEIVER || this.invocationType == NAME_RECEIVER || this.invocationType == SUPER_RECEIVER) { |
| this.qualifier = this.expressionPtr; // remenber the last expression so that arguments are correctly computed |
| } |
| switch (previous) { |
| case TokenNameIdentifier: // eg. fred[(]) or foo.fred[(]) |
| if (topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_SELECTOR) { |
| if(topKnownElementKind(COMPLETION_OR_ASSIST_PARSER,1) == K_BETWEEN_ANNOTATION_NAME_AND_RPAREN && |
| topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER,1) == LPAREN_NOT_CONSUMED) { |
| this.popElement(K_SELECTOR); |
| this.popElement(K_BETWEEN_ANNOTATION_NAME_AND_RPAREN); |
| this.pushOnElementStack(K_BETWEEN_ANNOTATION_NAME_AND_RPAREN, LPAREN_CONSUMED); |
| } else { |
| this.pushOnElementStack(K_SELECTOR_INVOCATION_TYPE, this.invocationType); |
| this.pushOnElementStack(K_SELECTOR_QUALIFIER, this.qualifier); |
| } |
| } |
| this.qualifier = -1; |
| this.invocationType = NO_RECEIVER; |
| break; |
| case TokenNamethis: // explicit constructor invocation, eg. this[(]1, 2) |
| if (topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_SELECTOR) { |
| this.pushOnElementStack(K_SELECTOR_INVOCATION_TYPE, (this.invocationType == QUALIFIED_ALLOCATION) ? QUALIFIED_ALLOCATION : ALLOCATION); |
| this.pushOnElementStack(K_SELECTOR_QUALIFIER, this.qualifier); |
| } |
| this.qualifier = -1; |
| this.invocationType = NO_RECEIVER; |
| break; |
| case TokenNamesuper: // explicit constructor invocation, eg. super[(]1, 2) |
| if (topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_SELECTOR) { |
| this.pushOnElementStack(K_SELECTOR_INVOCATION_TYPE, (this.invocationType == QUALIFIED_ALLOCATION) ? QUALIFIED_ALLOCATION : ALLOCATION); |
| this.pushOnElementStack(K_SELECTOR_QUALIFIER, this.qualifier); |
| } |
| this.qualifier = -1; |
| this.invocationType = NO_RECEIVER; |
| break; |
| } |
| break; |
| case TokenNameLBRACE: |
| this.bracketDepth++; |
| int kind; |
| if((kind = topKnownElementKind(COMPLETION_OR_ASSIST_PARSER)) == K_FIELD_INITIALIZER_DELIMITER |
| || kind == K_LOCAL_INITIALIZER_DELIMITER |
| || kind == K_ARRAY_CREATION) { |
| pushOnElementStack(K_ARRAY_INITIALIZER, endPosition); |
| } else { |
| switch(previous) { |
| case TokenNameRPAREN : |
| switch(previousKind) { |
| case K_BETWEEN_IF_AND_RIGHT_PAREN : |
| pushOnElementStack(K_BLOCK_DELIMITER, IF); |
| break; |
| case K_BETWEEN_CATCH_AND_RIGHT_PAREN : |
| pushOnElementStack(K_BLOCK_DELIMITER, CATCH); |
| break; |
| case K_BETWEEN_WHILE_AND_RIGHT_PAREN : |
| pushOnElementStack(K_BLOCK_DELIMITER, WHILE); |
| break; |
| case K_BETWEEN_SWITCH_AND_RIGHT_PAREN : |
| pushOnElementStack(K_BLOCK_DELIMITER, SWITCH); |
| break; |
| case K_BETWEEN_FOR_AND_RIGHT_PAREN : |
| pushOnElementStack(K_BLOCK_DELIMITER, FOR); |
| break; |
| case K_BETWEEN_SYNCHRONIZED_AND_RIGHT_PAREN : |
| pushOnElementStack(K_BLOCK_DELIMITER, SYNCHRONIZED); |
| break; |
| default : |
| pushOnElementStack(K_BLOCK_DELIMITER); |
| break; |
| } |
| break; |
| case TokenNametry : |
| pushOnElementStack(K_BLOCK_DELIMITER, TRY); |
| break; |
| case TokenNamedo: |
| pushOnElementStack(K_BLOCK_DELIMITER, DO); |
| break; |
| default : |
| pushOnElementStack(K_BLOCK_DELIMITER); |
| break; |
| } |
| } |
| break; |
| case TokenNameLBRACKET: |
| if(topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) != K_ARRAY_CREATION) { |
| pushOnElementStack(K_BETWEEN_LEFT_AND_RIGHT_BRACKET); |
| } else { |
| if(previous == TokenNameIdentifier) { |
| invocationType = NO_RECEIVER; |
| qualifier = -1; |
| } |
| } |
| this.bracketDepth++; |
| break; |
| case TokenNameRBRACE: |
| this.bracketDepth--; |
| break; |
| case TokenNameRBRACKET: |
| this.bracketDepth--; |
| break; |
| case TokenNameRPAREN: |
| switch(topKnownElementKind(COMPLETION_OR_ASSIST_PARSER)) { |
| case K_BETWEEN_CATCH_AND_RIGHT_PAREN : |
| popElement(K_BETWEEN_CATCH_AND_RIGHT_PAREN); |
| break; |
| case K_BETWEEN_IF_AND_RIGHT_PAREN : |
| if(topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER) == bracketDepth) { |
| popElement(K_BETWEEN_IF_AND_RIGHT_PAREN); |
| } |
| break; |
| case K_BETWEEN_WHILE_AND_RIGHT_PAREN : |
| if(topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER) == bracketDepth) { |
| popElement(K_BETWEEN_WHILE_AND_RIGHT_PAREN); |
| } |
| break; |
| case K_BETWEEN_FOR_AND_RIGHT_PAREN : |
| if(topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER) == bracketDepth) { |
| popElement(K_BETWEEN_FOR_AND_RIGHT_PAREN); |
| } |
| break; |
| case K_BETWEEN_SWITCH_AND_RIGHT_PAREN : |
| if(topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER) == bracketDepth) { |
| popElement(K_BETWEEN_SWITCH_AND_RIGHT_PAREN); |
| } |
| break; |
| case K_BETWEEN_SYNCHRONIZED_AND_RIGHT_PAREN : |
| if(topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER) == bracketDepth) { |
| popElement(K_BETWEEN_SYNCHRONIZED_AND_RIGHT_PAREN); |
| } |
| break; |
| } |
| break; |
| case TokenNamethrow: |
| pushOnElementStack(K_INSIDE_THROW_STATEMENT, bracketDepth); |
| break; |
| case TokenNameSEMICOLON: |
| switch(topKnownElementKind(COMPLETION_OR_ASSIST_PARSER)) { |
| case K_INSIDE_THROW_STATEMENT : |
| if(topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER) == this.bracketDepth) { |
| popElement(K_INSIDE_THROW_STATEMENT); |
| } |
| break; |
| case K_INSIDE_RETURN_STATEMENT : |
| if(topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER) == this.bracketDepth) { |
| popElement(K_INSIDE_RETURN_STATEMENT); |
| } |
| break; |
| case K_INSIDE_ASSERT_STATEMENT : |
| if(topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER) == this.bracketDepth) { |
| popElement(K_INSIDE_ASSERT_STATEMENT); |
| } |
| break; |
| } |
| break; |
| case TokenNamereturn: |
| pushOnElementStack(K_INSIDE_RETURN_STATEMENT, this.bracketDepth); |
| break; |
| case TokenNameMULTIPLY: |
| pushOnElementStack(K_BINARY_OPERATOR, MULTIPLY); |
| break; |
| case TokenNameDIVIDE: |
| pushOnElementStack(K_BINARY_OPERATOR, DIVIDE); |
| break; |
| case TokenNameREMAINDER: |
| pushOnElementStack(K_BINARY_OPERATOR, REMAINDER); |
| break; |
| case TokenNamePLUS: |
| pushOnElementStack(K_BINARY_OPERATOR, PLUS); |
| break; |
| case TokenNameMINUS: |
| pushOnElementStack(K_BINARY_OPERATOR, MINUS); |
| break; |
| case TokenNameLEFT_SHIFT: |
| pushOnElementStack(K_BINARY_OPERATOR, LEFT_SHIFT); |
| break; |
| case TokenNameRIGHT_SHIFT: |
| pushOnElementStack(K_BINARY_OPERATOR, RIGHT_SHIFT); |
| break; |
| case TokenNameUNSIGNED_RIGHT_SHIFT: |
| pushOnElementStack(K_BINARY_OPERATOR, UNSIGNED_RIGHT_SHIFT); |
| break; |
| case TokenNameLESS: |
| switch(previous) { |
| case TokenNameDOT : |
| pushOnElementStack(K_PARAMETERIZED_METHOD_INVOCATION); |
| break; |
| case TokenNamenew : |
| pushOnElementStack(K_PARAMETERIZED_ALLOCATION); |
| break; |
| } |
| pushOnElementStack(K_BINARY_OPERATOR, LESS); |
| break; |
| case TokenNameGREATER: |
| pushOnElementStack(K_BINARY_OPERATOR, GREATER); |
| break; |
| case TokenNameLESS_EQUAL: |
| pushOnElementStack(K_BINARY_OPERATOR, LESS_EQUAL); |
| break; |
| case TokenNameGREATER_EQUAL: |
| pushOnElementStack(K_BINARY_OPERATOR, GREATER_EQUAL); |
| break; |
| case TokenNameAND: |
| pushOnElementStack(K_BINARY_OPERATOR, AND); |
| break; |
| case TokenNameXOR: |
| pushOnElementStack(K_BINARY_OPERATOR, XOR); |
| break; |
| case TokenNameOR: |
| pushOnElementStack(K_BINARY_OPERATOR, OR); |
| break; |
| case TokenNameAND_AND: |
| pushOnElementStack(K_BINARY_OPERATOR, AND_AND); |
| break; |
| case TokenNameOR_OR: |
| pushOnElementStack(K_BINARY_OPERATOR, OR_OR); |
| break; |
| case TokenNamePLUS_PLUS: |
| pushOnElementStack(K_UNARY_OPERATOR, PLUS_PLUS); |
| break; |
| case TokenNameMINUS_MINUS: |
| pushOnElementStack(K_UNARY_OPERATOR, MINUS_MINUS); |
| break; |
| case TokenNameTWIDDLE: |
| pushOnElementStack(K_UNARY_OPERATOR, TWIDDLE); |
| break; |
| case TokenNameNOT: |
| pushOnElementStack(K_UNARY_OPERATOR, NOT); |
| break; |
| case TokenNameEQUAL_EQUAL: |
| pushOnElementStack(K_BINARY_OPERATOR, EQUAL_EQUAL); |
| break; |
| case TokenNameNOT_EQUAL: |
| pushOnElementStack(K_BINARY_OPERATOR, NOT_EQUAL); |
| break; |
| case TokenNameinstanceof: |
| pushOnElementStack(K_BINARY_OPERATOR, INSTANCEOF); |
| break; |
| case TokenNameQUESTION: |
| if(previous != TokenNameLESS) { |
| pushOnElementStack(K_CONDITIONAL_OPERATOR, QUESTION); |
| } |
| break; |
| case TokenNameCOLON: |
| if(topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_CONDITIONAL_OPERATOR |
| && topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER) == QUESTION) { |
| popElement(K_CONDITIONAL_OPERATOR); |
| pushOnElementStack(K_CONDITIONAL_OPERATOR, COLON); |
| } else { |
| if(topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_BETWEEN_CASE_AND_COLON) { |
| popElement(K_BETWEEN_CASE_AND_COLON); |
| } else { |
| popElement(K_BETWEEN_DEFAULT_AND_COLON); |
| } |
| } |
| break; |
| case TokenNameif: |
| pushOnElementStack(K_BETWEEN_IF_AND_RIGHT_PAREN, bracketDepth); |
| break; |
| case TokenNamewhile: |
| pushOnElementStack(K_BETWEEN_WHILE_AND_RIGHT_PAREN, bracketDepth); |
| break; |
| case TokenNamefor: |
| pushOnElementStack(K_BETWEEN_FOR_AND_RIGHT_PAREN, bracketDepth); |
| break; |
| case TokenNameswitch: |
| pushOnElementStack(K_BETWEEN_SWITCH_AND_RIGHT_PAREN, bracketDepth); |
| break; |
| case TokenNamesynchronized: |
| pushOnElementStack(K_BETWEEN_SYNCHRONIZED_AND_RIGHT_PAREN, bracketDepth); |
| break; |
| case TokenNameassert: |
| pushOnElementStack(K_INSIDE_ASSERT_STATEMENT, this.bracketDepth); |
| break; |
| case TokenNamecase : |
| pushOnElementStack(K_BETWEEN_CASE_AND_COLON); |
| break; |
| case TokenNamedefault : |
| pushOnElementStack(K_BETWEEN_DEFAULT_AND_COLON); |
| break; |
| case TokenNameextends: |
| pushOnElementStack(K_EXTENDS_KEYWORD); |
| break; |
| } |
| } else { |
| switch(token) { |
| case TokenNameextends: |
| pushOnElementStack(K_EXTENDS_KEYWORD); |
| break; |
| case TokenNameLESS: |
| pushOnElementStack(K_BINARY_OPERATOR, LESS); |
| break; |
| case TokenNameGREATER: |
| pushOnElementStack(K_BINARY_OPERATOR, GREATER); |
| break; |
| case TokenNameRIGHT_SHIFT: |
| pushOnElementStack(K_BINARY_OPERATOR, RIGHT_SHIFT); |
| break; |
| case TokenNameUNSIGNED_RIGHT_SHIFT: |
| pushOnElementStack(K_BINARY_OPERATOR, UNSIGNED_RIGHT_SHIFT); |
| break; |
| |
| } |
| } |
| } |
| protected void consumeOnlyTypeArguments() { |
| super.consumeOnlyTypeArguments(); |
| popElement(K_BINARY_OPERATOR); |
| if(topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_PARAMETERIZED_METHOD_INVOCATION) { |
| popElement(K_PARAMETERIZED_METHOD_INVOCATION); |
| } else { |
| popElement(K_PARAMETERIZED_ALLOCATION); |
| } |
| } |
| protected void consumeOnlyTypeArgumentsForCastExpression() { |
| super.consumeOnlyTypeArgumentsForCastExpression(); |
| pushOnElementStack(K_PARAMETERIZED_CAST); |
| } |
| protected void consumeRightParen() { |
| super.consumeRightParen(); |
| if(topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_PARAMETERIZED_CAST) { |
| popElement(K_PARAMETERIZED_CAST); |
| } |
| } |
| protected void consumeReferenceType1() { |
| super.consumeReferenceType1(); |
| popElement(K_BINARY_OPERATOR); |
| } |
| protected void consumeReferenceType2() { |
| super.consumeReferenceType2(); |
| popElement(K_BINARY_OPERATOR); |
| } |
| protected void consumeReferenceType3() { |
| super.consumeReferenceType3(); |
| popElement(K_BINARY_OPERATOR); |
| } |
| protected void consumeTypeArgumentReferenceType1() { |
| super.consumeTypeArgumentReferenceType1(); |
| popElement(K_BINARY_OPERATOR); |
| } |
| protected void consumeTypeArgumentReferenceType2() { |
| super.consumeTypeArgumentReferenceType2(); |
| popElement(K_BINARY_OPERATOR); |
| } |
| protected void consumeTypeArguments() { |
| super.consumeTypeArguments(); |
| popElement(K_BINARY_OPERATOR); |
| } |
| protected void consumeTypeParameters() { |
| super.consumeTypeParameters(); |
| popElement(K_BINARY_OPERATOR); |
| } |
| protected void consumeTypeParameters1() { |
| super.consumeTypeParameter1(); |
| popElement(K_BINARY_OPERATOR); |
| } |
| protected void consumeTypeParameterWithExtends() { |
| super.consumeTypeParameterWithExtends(); |
| popElement(K_EXTENDS_KEYWORD); |
| } |
| protected void consumeTypeParameterWithExtendsAndBounds() { |
| super.consumeTypeParameterWithExtendsAndBounds(); |
| popElement(K_EXTENDS_KEYWORD); |
| } |
| protected void consumeTypeParameter1WithExtends() { |
| super.consumeTypeParameter1WithExtends(); |
| popElement(K_EXTENDS_KEYWORD); |
| } |
| protected void consumeTypeParameter1WithExtendsAndBounds() { |
| super.consumeTypeParameter1WithExtendsAndBounds(); |
| popElement(K_EXTENDS_KEYWORD); |
| } |
| protected void consumeWildcard1() { |
| super.consumeWildcard1(); |
| popElement(K_BINARY_OPERATOR); |
| } |
| protected void consumeWildcard2() { |
| super.consumeWildcard2(); |
| popElement(K_BINARY_OPERATOR); |
| } |
| protected void consumeWildcard3() { |
| super.consumeWildcard3(); |
| popElement(K_BINARY_OPERATOR); |
| } |
| protected void consumeWildcardBoundsExtends() { |
| super.consumeWildcardBoundsExtends(); |
| popElement(K_EXTENDS_KEYWORD); |
| } |
| protected void consumeWildcardBounds1Extends() { |
| super.consumeWildcardBounds1Extends(); |
| popElement(K_EXTENDS_KEYWORD); |
| } |
| protected void consumeWildcardBounds2Extends() { |
| super.consumeWildcardBounds2Extends(); |
| popElement(K_EXTENDS_KEYWORD); |
| } |
| protected void consumeWildcardBounds3Extends() { |
| super.consumeWildcardBounds3Extends(); |
| popElement(K_EXTENDS_KEYWORD); |
| } |
| protected void consumeUnaryExpression(int op) { |
| super.consumeUnaryExpression(op); |
| popElement(K_UNARY_OPERATOR); |
| |
| if(expressionStack[expressionPtr] instanceof UnaryExpression) { |
| UnaryExpression exp = (UnaryExpression) expressionStack[expressionPtr]; |
| if(assistNode != null && exp.expression == assistNode) { |
| assistNodeParent = exp; |
| } |
| } |
| } |
| protected void consumeUnaryExpression(int op, boolean post) { |
| super.consumeUnaryExpression(op, post); |
| popElement(K_UNARY_OPERATOR); |
| |
| if(expressionStack[expressionPtr] instanceof UnaryExpression) { |
| UnaryExpression exp = (UnaryExpression) expressionStack[expressionPtr]; |
| if(assistNode != null && exp.expression == assistNode) { |
| assistNodeParent = exp; |
| } |
| } |
| } |
| |
| public ImportReference createAssistImportReference(char[][] tokens, long[] positions, int mod){ |
| return new CompletionOnImportReference(tokens, positions, mod); |
| } |
| public ImportReference createAssistPackageReference(char[][] tokens, long[] positions){ |
| return new CompletionOnPackageReference(tokens, positions); |
| } |
| public NameReference createQualifiedAssistNameReference(char[][] previousIdentifiers, char[] assistName, long[] positions){ |
| return new CompletionOnQualifiedNameReference( |
| previousIdentifiers, |
| assistName, |
| positions, |
| isInsideAttributeValue()); |
| } |
| public TypeReference createQualifiedAssistTypeReference(char[][] previousIdentifiers, char[] assistName, long[] positions){ |
| switch (topKnownElementKind(COMPLETION_OR_ASSIST_PARSER)) { |
| case K_NEXT_TYPEREF_IS_EXCEPTION : |
| return new CompletionOnQualifiedExceptionReference(previousIdentifiers, assistName, positions); |
| case K_NEXT_TYPEREF_IS_CLASS : |
| return new CompletionOnQualifiedClassReference(previousIdentifiers, assistName, positions); |
| case K_NEXT_TYPEREF_IS_INTERFACE : |
| return new CompletionOnQualifiedInterfaceReference(previousIdentifiers, assistName, positions); |
| default : |
| return new CompletionOnQualifiedTypeReference(previousIdentifiers, assistName, positions); |
| } |
| } |
| public TypeReference createParameterizedQualifiedAssistTypeReference(char[][] previousIdentifiers, TypeReference[][] typeArguments, char[] assistName, TypeReference[] assistTypeArguments, long[] positions) { |
| boolean isParameterized = false; |
| for (int i = 0; i < typeArguments.length; i++) { |
| if(typeArguments[i] != null) { |
| isParameterized = true; |
| } |
| } |
| if(!isParameterized) { |
| return this.createQualifiedAssistTypeReference(previousIdentifiers, assistName, positions); |
| } else { |
| switch (topKnownElementKind(COMPLETION_OR_ASSIST_PARSER)) { |
| case K_NEXT_TYPEREF_IS_EXCEPTION : |
| return new CompletionOnParameterizedQualifiedTypeReference( |
| previousIdentifiers, |
| typeArguments, |
| assistName, |
| positions, |
| CompletionOnParameterizedQualifiedTypeReference.K_EXCEPTION); |
| case K_NEXT_TYPEREF_IS_CLASS : |
| return new CompletionOnParameterizedQualifiedTypeReference( |
| previousIdentifiers, |
| typeArguments, |
| assistName, |
| positions, |
| CompletionOnParameterizedQualifiedTypeReference.K_CLASS); |
| case K_NEXT_TYPEREF_IS_INTERFACE : |
| return new CompletionOnParameterizedQualifiedTypeReference( |
| previousIdentifiers, |
| typeArguments, |
| assistName, |
| positions, |
| CompletionOnParameterizedQualifiedTypeReference.K_INTERFACE); |
| default : |
| return new CompletionOnParameterizedQualifiedTypeReference( |
| previousIdentifiers, |
| typeArguments, |
| assistName, |
| positions); |
| } |
| } |
| } |
| public NameReference createSingleAssistNameReference(char[] assistName, long position) { |
| int kind = topKnownElementKind(COMPLETION_OR_ASSIST_PARSER); |
| if(!isInsideMethod()) { |
| return new CompletionOnSingleNameReference(assistName, position, isInsideAttributeValue()); |
| } else { |
| boolean canBeExplicitConstructorCall = false; |
| if(kind == K_BLOCK_DELIMITER |
| && previousKind == K_BLOCK_DELIMITER |
| && previousInfo == DO) { |
| return new CompletionOnKeyword3(assistName, position, Keywords.WHILE); |
| } else if(kind == K_BLOCK_DELIMITER |
| && previousKind == K_BLOCK_DELIMITER |
| && previousInfo == TRY) { |
| return new CompletionOnKeyword3(assistName, position, new char[][]{Keywords.CATCH, Keywords.FINALLY}); |
| } else if(kind == K_BLOCK_DELIMITER |
| && topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER) == SWITCH) { |
| return new CompletionOnKeyword3(assistName, position, new char[][]{Keywords.CASE, Keywords.DEFAULT}); |
| } else { |
| char[][] keywords = new char[Keywords.COUNT][]; |
| int count = 0; |
| |
| if((lastModifiers & AccStatic) == 0) { |
| keywords[count++]= Keywords.SUPER; |
| keywords[count++]= Keywords.THIS; |
| } |
| keywords[count++]= Keywords.NEW; |
| |
| if(kind == K_BLOCK_DELIMITER) { |
| if(canBeExplicitConstructor == YES) { |
| canBeExplicitConstructorCall = true; |
| } |
| |
| keywords[count++]= Keywords.ASSERT; |
| keywords[count++]= Keywords.DO; |
| keywords[count++]= Keywords.FOR; |
| keywords[count++]= Keywords.IF; |
| keywords[count++]= Keywords.RETURN; |
| keywords[count++]= Keywords.SWITCH; |
| keywords[count++]= Keywords.SYNCHRONIZED; |
| keywords[count++]= Keywords.THROW; |
| keywords[count++]= Keywords.TRY; |
| keywords[count++]= Keywords.WHILE; |
| |
| keywords[count++]= Keywords.FINAL; |
| keywords[count++]= Keywords.CLASS; |
| |
| if(previousKind == K_BLOCK_DELIMITER) { |
| switch (previousInfo) { |
| case IF : |
| keywords[count++]= Keywords.ELSE; |
| break; |
| case CATCH : |
| keywords[count++]= Keywords.CATCH; |
| keywords[count++]= Keywords.FINALLY; |
| break; |
| } |
| } |
| if(isInsideLoop()) { |
| keywords[count++]= Keywords.CONTINUE; |
| } |
| if(isInsideBreakable()) { |
| keywords[count++]= Keywords.BREAK; |
| } |
| } else if(kind != K_BETWEEN_CASE_AND_COLON && kind != K_BETWEEN_DEFAULT_AND_COLON) { |
| keywords[count++]= Keywords.TRUE; |
| keywords[count++]= Keywords.FALSE; |
| keywords[count++]= Keywords.NULL; |
| |
| if(kind == K_SWITCH_LABEL) { |
| if(topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER) != DEFAULT) { |
| keywords[count++]= Keywords.DEFAULT; |
| } |
| keywords[count++]= Keywords.BREAK; |
| keywords[count++]= Keywords.CASE; |
| } |
| } |
| System.arraycopy(keywords, 0 , keywords = new char[count][], 0, count); |
| |
| return new CompletionOnSingleNameReference(assistName, position, keywords, canBeExplicitConstructorCall, isInsideAttributeValue()); |
| } |
| } |
| } |
| public TypeReference createSingleAssistTypeReference(char[] assistName, long position) { |
| switch (topKnownElementKind(COMPLETION_OR_ASSIST_PARSER)) { |
| case K_NEXT_TYPEREF_IS_EXCEPTION : |
| return new CompletionOnExceptionReference(assistName, position) ; |
| case K_NEXT_TYPEREF_IS_CLASS : |
| return new CompletionOnClassReference(assistName, position); |
| case K_NEXT_TYPEREF_IS_INTERFACE : |
| return new CompletionOnInterfaceReference(assistName, position); |
| default : |
| return new CompletionOnSingleTypeReference(assistName, position); |
| } |
| } |
| public TypeReference createParameterizedSingleAssistTypeReference(TypeReference[] typeArguments, char[] assistName, long position) { |
| return this.createSingleAssistTypeReference(assistName, position); |
| } |
| |
| public CompilationUnitDeclaration dietParse(ICompilationUnit sourceUnit, CompilationResult compilationResult, int cursorLoc) { |
| |
| this.cursorLocation = cursorLoc; |
| CompletionScanner completionScanner = (CompletionScanner)this.scanner; |
| completionScanner.completionIdentifier = null; |
| completionScanner.cursorLocation = cursorLoc; |
| return this.dietParse(sourceUnit, compilationResult); |
| } |
| /* |
| * Flush parser/scanner state regarding to code assist |
| */ |
| public void flushAssistState() { |
| |
| super.flushAssistState(); |
| this.isOrphanCompletionNode = false; |
| this.isAlreadyAttached = false; |
| assistNodeParent = null; |
| CompletionScanner completionScanner = (CompletionScanner)this.scanner; |
| completionScanner.completedIdentifierStart = 0; |
| completionScanner.completedIdentifierEnd = -1; |
| } |
| |
| protected TypeReference getTypeReferenceForGenericType(int dim, int identifierLength, int numberOfIdentifiers) { |
| TypeReference ref = super.getTypeReferenceForGenericType(dim, identifierLength, numberOfIdentifiers); |
| |
| if(this.assistNode != null) { |
| if (identifierLength == 1 && numberOfIdentifiers == 1) { |
| ParameterizedSingleTypeReference singleRef = (ParameterizedSingleTypeReference) ref; |
| TypeReference[] typeArguments = singleRef.typeArguments; |
| for (int i = 0; i < typeArguments.length; i++) { |
| if(typeArguments[i] == this.assistNode) { |
| this.assistNodeParent = ref; |
| return ref; |
| } |
| } |
| } else { |
| ParameterizedQualifiedTypeReference qualifiedRef = (ParameterizedQualifiedTypeReference) ref; |
| TypeReference[][] typeArguments = qualifiedRef.typeArguments; |
| for (int i = 0; i < typeArguments.length; i++) { |
| if(typeArguments[i] != null) { |
| for (int j = 0; j < typeArguments[i].length; j++) { |
| if(typeArguments[i][j] == this.assistNode) { |
| this.assistNodeParent = ref; |
| return ref; |
| } |
| } |
| } |
| } |
| |
| } |
| } |
| |
| return ref; |
| } |
| protected NameReference getUnspecifiedReferenceOptimized() { |
| if (this.identifierLengthStack[this.identifierLengthPtr] > 1) { // reducing a qualified name |
| // potential receiver is being poped, so reset potential receiver |
| this.invocationType = NO_RECEIVER; |
| this.qualifier = -1; |
| } |
| return super.getUnspecifiedReferenceOptimized(); |
| } |
| public void initialize() { |
| super.initialize(); |
| this.initializeForBlockStatements(); |
| } |
| /* |
| * Initializes the state of the parser that is about to go for BlockStatements. |
| */ |
| private void initializeForBlockStatements() { |
| this.previousToken = -1; |
| this.previousIdentifierPtr = -1; |
| this.bracketDepth = 0; |
| this.invocationType = NO_RECEIVER; |
| this.qualifier = -1; |
| popUntilElement(K_SWITCH_LABEL); |
| if(topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) != K_SWITCH_LABEL) { |
| this.popUntilElement(K_BLOCK_DELIMITER); |
| } |
| } |
| public void initializeScanner(){ |
| this.scanner = new CompletionScanner(this.options.sourceLevel); |
| } |
| /** |
| * Returns whether the completion is just after an array type |
| * eg. String[].[cursor] |
| */ |
| private boolean isAfterArrayType() { |
| // TBD: The following relies on the fact that array dimensions are small: it says that if the |
| // top of the intStack is less than 11, then it must be a dimension |
| // (smallest position of array type in a compilation unit is 11 as in "class X{Y[]") |
| if ((this.intPtr > -1) && (this.intStack[this.intPtr] < 11)) { |
| return true; |
| } |
| return false; |
| } |
| private boolean isEmptyNameCompletion() { |
| return |
| this.assistNode != null && |
| this.assistNode instanceof CompletionOnSingleNameReference && |
| (((CompletionOnSingleNameReference)this.assistNode).token.length == 0); |
| } |
| protected boolean isInsideAnnotation() { |
| int i = elementPtr; |
| while(i > -1) { |
| if(elementKindStack[i] == K_BETWEEN_ANNOTATION_NAME_AND_RPAREN) |
| return true; |
| i--; |
| } |
| return false; |
| } |
| protected boolean isIndirectlyInsideBlock(){ |
| int i = elementPtr; |
| while(i > -1) { |
| if(elementKindStack[i] == K_BLOCK_DELIMITER) |
| return true; |
| i--; |
| } |
| return false; |
| } |
| |
| protected boolean isInsideBlock(){ |
| int i = elementPtr; |
| while(i > -1) { |
| switch (elementKindStack[i]) { |
| case K_TYPE_DELIMITER : return false; |
| case K_METHOD_DELIMITER : return false; |
| case K_FIELD_INITIALIZER_DELIMITER : return false; |
| case K_BLOCK_DELIMITER : return true; |
| } |
| i--; |
| } |
| return false; |
| } |
| protected boolean isInsideBreakable(){ |
| int i = elementPtr; |
| while(i > -1) { |
| switch (elementKindStack[i]) { |
| case K_TYPE_DELIMITER : return false; |
| case K_METHOD_DELIMITER : return false; |
| case K_FIELD_INITIALIZER_DELIMITER : return false; |
| case K_SWITCH_LABEL : return true; |
| case K_BLOCK_DELIMITER : |
| switch(elementInfoStack[i]) { |
| case FOR : |
| case DO : |
| case WHILE : |
| return true; |
| } |
| } |
| i--; |
| } |
| return false; |
| } |
| protected boolean isInsideLoop(){ |
| int i = elementPtr; |
| while(i > -1) { |
| switch (elementKindStack[i]) { |
| case K_TYPE_DELIMITER : return false; |
| case K_METHOD_DELIMITER : return false; |
| case K_FIELD_INITIALIZER_DELIMITER : return false; |
| case K_BLOCK_DELIMITER : |
| switch(elementInfoStack[i]) { |
| case FOR : |
| case DO : |
| case WHILE : |
| return true; |
| } |
| } |
| i--; |
| } |
| return false; |
| } |
| protected boolean isInsideReturn(){ |
| int i = elementPtr; |
| while(i > -1) { |
| switch (elementKindStack[i]) { |
| case K_TYPE_DELIMITER : return false; |
| case K_METHOD_DELIMITER : return false; |
| case K_FIELD_INITIALIZER_DELIMITER : return false; |
| case K_BLOCK_DELIMITER : return false; |
| case K_INSIDE_RETURN_STATEMENT : return true; |
| } |
| i--; |
| } |
| return false; |
| } |
| public CompilationUnitDeclaration parse(ICompilationUnit sourceUnit, CompilationResult compilationResult, int cursorLoc) { |
| |
| this.cursorLocation = cursorLoc; |
| CompletionScanner completionScanner = (CompletionScanner)this.scanner; |
| completionScanner.completionIdentifier = null; |
| completionScanner.cursorLocation = cursorLoc; |
| return this.parse(sourceUnit, compilationResult); |
| } |
| public void parseBlockStatements( |
| ConstructorDeclaration cd, |
| CompilationUnitDeclaration unit) { |
| canBeExplicitConstructor = 1; |
| super.parseBlockStatements(cd, unit); |
| } |
| /* |
| * Prepares the state of the parser to go for BlockStatements. |
| */ |
| protected void prepareForBlockStatements() { |
| this.nestedMethod[this.nestedType = 0] = 1; |
| this.variablesCounter[this.nestedType] = 0; |
| this.realBlockStack[this.realBlockPtr = 1] = 0; |
| |
| this.initializeForBlockStatements(); |
| } |
| /** |
| * Creates a completion on member access node and push it |
| * on the expression stack. |
| */ |
| private void pushCompletionOnMemberAccessOnExpressionStack(boolean isSuperAccess) { |
| char[] source = identifierStack[identifierPtr]; |
| long pos = identifierPositionStack[identifierPtr--]; |
| CompletionOnMemberAccess fr = new CompletionOnMemberAccess(source, pos); |
| this.assistNode = fr; |
| this.lastCheckPoint = fr.sourceEnd + 1; |
| identifierLengthPtr--; |
| if (isSuperAccess) { //considerates the fieldReference beginning at the 'super' .... |
| fr.sourceStart = intStack[intPtr--]; |
| fr.receiver = new SuperReference(fr.sourceStart, endPosition); |
| pushOnExpressionStack(fr); |
| } else { //optimize push/pop |
| if ((fr.receiver = expressionStack[expressionPtr]).isThis()) { //fieldreference begins at the this |
| fr.sourceStart = fr.receiver.sourceStart; |
| } |
| expressionStack[expressionPtr] = fr; |
| } |
| } |
| public void recordCompletionOnReference(){ |
| |
| if (currentElement instanceof RecoveredType){ |
| RecoveredType recoveredType = (RecoveredType)currentElement; |
| |
| /* filter out cases where scanner is still inside type header */ |
| if (!recoveredType.foundOpeningBrace) return; |
| |
| /* generate a pseudo field with a completion on type reference */ |
| currentElement.add( |
| new CompletionOnFieldType(this.getTypeReference(0), false), 0); |
| return; |
| } |
| if (!diet) return; // only record references attached to types |
| |
| } |
| public void recoveryExitFromVariable() { |
| if(currentElement != null && currentElement instanceof RecoveredLocalVariable) { |
| RecoveredElement oldElement = currentElement; |
| super.recoveryExitFromVariable(); |
| if(oldElement != currentElement) { |
| popElement(K_LOCAL_INITIALIZER_DELIMITER); |
| } |
| } else { |
| super.recoveryExitFromVariable(); |
| } |
| } |
| public void recoveryTokenCheck() { |
| RecoveredElement oldElement = currentElement; |
| switch (currentToken) { |
| case TokenNameRBRACE : |
| super.recoveryTokenCheck(); |
| if(currentElement != oldElement && oldElement instanceof RecoveredBlock) { |
| popElement(K_BLOCK_DELIMITER); |
| } |
| break; |
| case TokenNamecase : |
| super.recoveryTokenCheck(); |
| if(topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_BLOCK_DELIMITER |
| && topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER) == SWITCH) { |
| pushOnElementStack(K_SWITCH_LABEL); |
| } |
| break; |
| case TokenNamedefault : |
| super.recoveryTokenCheck(); |
| if(topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_BLOCK_DELIMITER |
| && topKnownElementInfo(COMPLETION_OR_ASSIST_PARSER) == SWITCH) { |
| pushOnElementStack(K_SWITCH_LABEL, DEFAULT); |
| } else if(topKnownElementKind(COMPLETION_OR_ASSIST_PARSER) == K_SWITCH_LABEL) { |
| popElement(K_SWITCH_LABEL); |
| pushOnElementStack(K_SWITCH_LABEL, DEFAULT); |
| } |
| break; |
| default : |
| super.recoveryTokenCheck(); |
| break; |
| } |
| } |
| /* |
| * Reset internal state after completion is over |
| */ |
| |
| public void reset() { |
| super.reset(); |
| this.cursorLocation = 0; |
| } |
| /* |
| * Reset internal state after completion is over |
| */ |
| |
| public void resetAfterCompletion() { |
| this.cursorLocation = 0; |
| this.flushAssistState(); |
| } |
| /* |
| * Reset context so as to resume to regular parse loop |
| * If unable to reset for resuming, answers false. |
| * |
| * Move checkpoint location, reset internal stacks and |
| * decide which grammar goal is activated. |
| */ |
| protected boolean resumeAfterRecovery() { |
| if (this.assistNode != null) { |
| /* if reached [eof] inside method body, but still inside nested type, |
| or inside a field initializer, should continue in diet mode until |
| the end of the method body or compilation unit */ |
| if ((scanner.eofPosition == cursorLocation+1) |
| && (!(referenceContext instanceof CompilationUnitDeclaration) |
| || isIndirectlyInsideFieldInitialization() |
| || assistNodeParent instanceof FieldDeclaration && !(assistNodeParent instanceof Initializer))) { |
| |
| /* disabled since does not handle possible field/message refs, that is, Obj[ASSIST HERE]ect.registerNatives() |
| // consume extra tokens which were part of the qualified reference |
| // so that the replaced source comprises them as well |
| if (this.assistNode instanceof NameReference){ |
| int oldEof = scanner.eofPosition; |
| scanner.eofPosition = currentElement.topElement().sourceEnd()+1; |
| scanner.currentPosition = this.cursorLocation+1; |
| int token = -1; |
| try { |
| do { |
| // first token might not have to be a dot |
| if (token >= 0 || !this.completionBehindDot){ |
| if ((token = scanner.getNextToken()) != TokenNameDOT) break; |
| } |
| if ((token = scanner.getNextToken()) != TokenNameIdentifier) break; |
| this.assistNode.sourceEnd = scanner.currentPosition - 1; |
| } while (token != TokenNameEOF); |
| } catch (InvalidInputException e){ |
| } finally { |
| scanner.eofPosition = oldEof; |
| } |
| } |
| */ |
| /* restart in diet mode for finding sibling constructs */ |
| if (currentElement instanceof RecoveredType |
| || currentElement.enclosingType() != null){ |
| |
| if(lastCheckPoint <= this.assistNode.sourceEnd) { |
| lastCheckPoint = this.assistNode.sourceEnd+1; |
| } |
| int end = currentElement.topElement().sourceEnd(); |
| scanner.eofPosition = end < Integer.MAX_VALUE ? end + 1 : end; |
| } else { |
| this.resetStacks(); |
| return false; |
| } |
| } |
| } |
| return super.resumeAfterRecovery(); |
| } |
| public void setAssistIdentifier(char[] assistIdent){ |
| ((CompletionScanner)scanner).completionIdentifier = assistIdent; |
| } |
| public String toString() { |
| String s = ""; //$NON-NLS-1$ |
| s = s + "elementKindStack : int[] = {"; //$NON-NLS-1$ |
| for (int i = 0; i <= elementPtr; i++) { |
| s = s + String.valueOf(elementKindStack[i]) + ","; //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| s = s + "}\n"; //$NON-NLS-1$ |
| s = s + "elementInfoStack : int[] = {"; //$NON-NLS-1$ |
| for (int i = 0; i <= elementPtr; i++) { |
| s = s + String.valueOf(elementInfoStack[i]) + ","; //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| s = s + "}\n"; //$NON-NLS-1$ |
| return s + super.toString(); |
| } |
| |
| /* |
| * Update recovery state based on current parser/scanner state |
| */ |
| protected void updateRecoveryState() { |
| |
| /* expose parser state to recovery state */ |
| currentElement.updateFromParserState(); |
| |
| /* may be able to retrieve completionNode as an orphan, and then attach it */ |
| this.completionIdentifierCheck(); |
| this.attachOrphanCompletionNode(); |
| |
| // if an assist node has been found and a recovered element exists, |
| // mark enclosing blocks as to be preserved |
| if (this.assistNode != null && this.currentElement != null) { |
| currentElement.preserveEnclosingBlocks(); |
| } |
| |
| /* check and update recovered state based on current token, |
| this action is also performed when shifting token after recovery |
| got activated once. |
| */ |
| this.recoveryTokenCheck(); |
| |
| this.recoveryExitFromVariable(); |
| } |
| |
| protected LocalDeclaration createLocalDeclaration(char[] assistName, int sourceStart, int sourceEnd) { |
| if (this.indexOfAssistIdentifier() < 0) { |
| return super.createLocalDeclaration(assistName, sourceStart, sourceEnd); |
| } else { |
| CompletionOnLocalName local = new CompletionOnLocalName(assistName, sourceStart, sourceEnd); |
| this.assistNode = local; |
| this.lastCheckPoint = sourceEnd + 1; |
| return local; |
| } |
| } |
| |
| protected FieldDeclaration createFieldDeclaration(char[] assistName, int sourceStart, int sourceEnd) { |
| if (this.indexOfAssistIdentifier() < 0 || (currentElement instanceof RecoveredUnit && ((RecoveredUnit)currentElement).typeCount == 0)) { |
| return super.createFieldDeclaration(assistName, sourceStart, sourceEnd); |
| } else { |
| CompletionOnFieldName field = new CompletionOnFieldName(assistName, sourceStart, sourceEnd); |
| this.assistNode = field; |
| this.lastCheckPoint = sourceEnd + 1; |
| return field; |
| } |
| } |
| } |