org.eclipse.jdt.internal.compiler.ast.MessageSend Java Examples

/** Generates 'this.<em>name</em>.size()' as an expression; if nullGuard is true, it's this.name == null ? 0 : this.name.size(). */
protected Expression getSize(EclipseNode builderType, char[] name, boolean nullGuard) {
	MessageSend invoke = new MessageSend();
	ThisReference thisRef = new ThisReference(0, 0);
	FieldReference thisDotName = new FieldReference(name, 0L);
	thisDotName.receiver = thisRef;
	invoke.receiver = thisDotName;
	invoke.selector = SIZE_TEXT;
	if (!nullGuard) return invoke;
	
	ThisReference cdnThisRef = new ThisReference(0, 0);
	FieldReference cdnThisDotName = new FieldReference(name, 0L);
	cdnThisDotName.receiver = cdnThisRef;
	NullLiteral nullLiteral = new NullLiteral(0, 0);
	EqualExpression isNull = new EqualExpression(cdnThisDotName, nullLiteral, OperatorIds.EQUAL_EQUAL);
	IntLiteral zeroLiteral = makeIntLiteral(new char[] {'0'}, null);
	ConditionalExpression conditional = new ConditionalExpression(isNull, zeroLiteral, invoke);
	return conditional;
}
 

public IfStatement generateCompareFloatOrDouble(Expression thisRef, Expression otherRef, char[] floatOrDouble, ASTNode source) {
	int pS = source.sourceStart, pE = source.sourceEnd;
	/* if (Float.compare(fieldName, other.fieldName) != 0) return false */
	MessageSend floatCompare = new MessageSend();
	floatCompare.sourceStart = pS; floatCompare.sourceEnd = pE;
	setGeneratedBy(floatCompare, source);
	floatCompare.receiver = generateQualifiedNameRef(source, TypeConstants.JAVA, TypeConstants.LANG, floatOrDouble);
	floatCompare.selector = "compare".toCharArray();
	floatCompare.arguments = new Expression[] {thisRef, otherRef};
	IntLiteral int0 = makeIntLiteral("0".toCharArray(), source);
	EqualExpression ifFloatCompareIsNot0 = new EqualExpression(floatCompare, int0, OperatorIds.NOT_EQUAL);
	ifFloatCompareIsNot0.sourceStart = pS; ifFloatCompareIsNot0.sourceEnd = pE;
	setGeneratedBy(ifFloatCompareIsNot0, source);
	FalseLiteral falseLiteral = new FalseLiteral(pS, pE);
	setGeneratedBy(falseLiteral, source);
	ReturnStatement returnFalse = new ReturnStatement(falseLiteral, pS, pE);
	setGeneratedBy(returnFalse, source);
	IfStatement ifStatement = new IfStatement(ifFloatCompareIsNot0, returnFalse, pS, pE);
	setGeneratedBy(ifStatement, source);
	return ifStatement;
}
 

protected MessageSend newMessageSendWithTypeArguments() {
	char[] selector = this.identifierStack[this.identifierPtr];
	if (selector != assistIdentifier()){
		return super.newMessageSendWithTypeArguments();
	}
	MessageSend messageSend = new SelectionOnMessageSend();
	int length;
	if ((length = this.expressionLengthStack[this.expressionLengthPtr--]) != 0) {
		this.expressionPtr -= length;
		System.arraycopy(
			this.expressionStack,
			this.expressionPtr + 1,
			messageSend.arguments = new Expression[length],
			0,
			length);
	}
	this.assistNode = messageSend;
	if (!this.diet){
		this.restartRecovery	= true;	// force to restart in recovery mode
		this.lastIgnoredToken = -1;
	}

	this.isOrphanCompletionNode = true;
	return messageSend;
}
 

@Override public Expression createFactoryParameter(ClassLiteralAccess type, Annotation source) {
	int pS = source.sourceStart, pE = source.sourceEnd;
	long p = (long)pS << 32 | pE;
	
	MessageSend factoryParameterCall = new MessageSend();
	setGeneratedBy(factoryParameterCall, source);
	
	factoryParameterCall.receiver = super.createFactoryParameter(type, source);
	factoryParameterCall.selector = "getName".toCharArray();
	
	factoryParameterCall.nameSourcePosition = p;
	factoryParameterCall.sourceStart = pS;
	factoryParameterCall.sourceEnd = factoryParameterCall.statementEnd = pE;
	
	return factoryParameterCall;
}
 

protected void consumeMethodInvocationPrimaryWithTypeArguments() {
	super.consumeMethodInvocationPrimaryWithTypeArguments();
	popElement(K_SELECTOR);
	MessageSend messageSend = (MessageSend)this.expressionStack[this.expressionPtr];
	if (messageSend == this.assistNode){
		this.lastCheckPoint = messageSend.sourceEnd + 1;
	}
}
 

protected Statement createConstructBuilderVarIfNeeded(SingularData data, EclipseNode builderType) {
	FieldReference thisDotField = new FieldReference(data.getPluralName(), 0L);
	thisDotField.receiver = new ThisReference(0, 0);
	FieldReference thisDotField2 = new FieldReference(data.getPluralName(), 0L);
	thisDotField2.receiver = new ThisReference(0, 0);
	Expression cond = new EqualExpression(thisDotField, new NullLiteral(0, 0), OperatorIds.EQUAL_EQUAL);
	
	MessageSend createBuilderInvoke = new MessageSend();
	char[][] tokenizedName = makeGuavaTypeName(getSimpleTargetTypeName(data), false);
	createBuilderInvoke.receiver = new QualifiedNameReference(tokenizedName, NULL_POSS, 0, 0);
	createBuilderInvoke.selector = getBuilderMethodName(data);
	return new IfStatement(cond, new Assignment(thisDotField2, createBuilderInvoke, 0), 0, 0);
}
 

void generatePluralMethod(TypeReference returnType, Statement returnStatement, SingularData data, EclipseNode builderType, boolean fluent) {
	MethodDeclaration md = new MethodDeclaration(((CompilationUnitDeclaration) builderType.top().get()).compilationResult);
	md.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG;
	md.modifiers = ClassFileConstants.AccPublic;
	
	List<Statement> statements = new ArrayList<Statement>();
	statements.add(createConstructBuilderVarIfNeeded(data, builderType, false));
	
	FieldReference thisDotField = new FieldReference(data.getPluralName(), 0L);
	thisDotField.receiver = new ThisReference(0, 0);
	MessageSend thisDotFieldDotAddAll = new MessageSend();
	thisDotFieldDotAddAll.arguments = new Expression[] {new SingleNameReference(data.getPluralName(), 0L)};
	thisDotFieldDotAddAll.receiver = thisDotField;
	thisDotFieldDotAddAll.selector = "addAll".toCharArray();
	statements.add(thisDotFieldDotAddAll);
	if (returnStatement != null) statements.add(returnStatement);
	
	md.statements = statements.toArray(new Statement[statements.size()]);
	
	TypeReference paramType = new QualifiedTypeReference(TypeConstants.JAVA_UTIL_COLLECTION, NULL_POSS);
	paramType = addTypeArgs(1, true, builderType, paramType, data.getTypeArgs());
	Argument param = new Argument(data.getPluralName(), 0, paramType, 0);
	md.arguments = new Argument[] {param};
	md.returnType = returnType;
	md.selector = fluent ? data.getPluralName() : HandlerUtil.buildAccessorName("addAll", new String(data.getPluralName())).toCharArray();
	
	data.setGeneratedByRecursive(md);
	injectMethod(builderType, md);
}
 

protected MessageSend newMessageSend() {
	// '(' ArgumentListopt ')'
	// the arguments are on the expression stack

	char[] selector = this.identifierStack[this.identifierPtr];
	if (selector != assistIdentifier()){
		return super.newMessageSend();
	}
	MessageSend messageSend = new SelectionOnMessageSend();
	int length;
	if ((length = this.expressionLengthStack[this.expressionLengthPtr--]) != 0) {
		this.expressionPtr -= length;
		System.arraycopy(
			this.expressionStack,
			this.expressionPtr + 1,
			messageSend.arguments = new Expression[length],
			0,
			length);
	}
	this.assistNode = messageSend;
	if (!this.diet){
		this.restartRecovery	= true;	// force to restart in recovery mode
		this.lastIgnoredToken = -1;
	}

	this.isOrphanCompletionNode = true;
	return messageSend;
}
 

protected void consumeMethodInvocationName() {
	super.consumeMethodInvocationName();
	popElement(K_SELECTOR);
	MessageSend messageSend = (MessageSend)this.expressionStack[this.expressionPtr];
	if (messageSend == this.assistNode){
		this.lastCheckPoint = messageSend.sourceEnd + 1;
	}
}
 

protected void consumeMethodInvocationNameWithTypeArguments() {
	super.consumeMethodInvocationNameWithTypeArguments();
	popElement(K_SELECTOR);
	MessageSend messageSend = (MessageSend)this.expressionStack[this.expressionPtr];
	if (messageSend == this.assistNode){
		this.lastCheckPoint = messageSend.sourceEnd + 1;
	}
}
 

protected void consumeMethodInvocationPrimary() {
	super.consumeMethodInvocationPrimary();
	popElement(K_SELECTOR);
	MessageSend messageSend = (MessageSend)this.expressionStack[this.expressionPtr];
	if (messageSend == this.assistNode){
		this.lastCheckPoint = messageSend.sourceEnd + 1;
	}
}
 

void generateSingularMethod(TypeReference returnType, Statement returnStatement, SingularData data, EclipseNode builderType, boolean fluent) {
	MethodDeclaration md = new MethodDeclaration(((CompilationUnitDeclaration) builderType.top().get()).compilationResult);
	md.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG;
	md.modifiers = ClassFileConstants.AccPublic;
	
	List<Statement> statements = new ArrayList<Statement>();
	statements.add(createConstructBuilderVarIfNeeded(data, builderType, false));
	
	FieldReference thisDotField = new FieldReference(data.getPluralName(), 0L);
	thisDotField.receiver = new ThisReference(0, 0);
	MessageSend thisDotFieldDotAdd = new MessageSend();
	thisDotFieldDotAdd.arguments = new Expression[] {new SingleNameReference(data.getSingularName(), 0L)};
	thisDotFieldDotAdd.receiver = thisDotField;
	thisDotFieldDotAdd.selector = "add".toCharArray();
	statements.add(thisDotFieldDotAdd);
	if (returnStatement != null) statements.add(returnStatement);
	
	md.statements = statements.toArray(new Statement[statements.size()]);
	TypeReference paramType = cloneParamType(0, data.getTypeArgs(), builderType);
	Argument param = new Argument(data.getSingularName(), 0, paramType, 0);
	md.arguments = new Argument[] {param};
	md.returnType = returnType;
	md.selector = fluent ? data.getSingularName() : HandlerUtil.buildAccessorName("add", new String(data.getSingularName())).toCharArray();
	
	data.setGeneratedByRecursive(md);
	injectMethod(builderType, md);
}
 

protected void consumeMethodInvocationSuper() {
	super.consumeMethodInvocationSuper();
	popElement(K_SELECTOR);
	MessageSend messageSend = (MessageSend)this.expressionStack[this.expressionPtr];
	if (messageSend == this.assistNode){
		this.lastCheckPoint = messageSend.sourceEnd + 1;
	}
}
 

protected void consumeMethodInvocationSuperWithTypeArguments() {
	super.consumeMethodInvocationSuperWithTypeArguments();
	popElement(K_SELECTOR);
	MessageSend messageSend = (MessageSend)this.expressionStack[this.expressionPtr];
	if (messageSend == this.assistNode){
		this.lastCheckPoint = messageSend.sourceEnd + 1;
	}
}
 

public boolean visit(MessageSend messageSend, BlockScope scope) {
	if ((messageSend.receiver.bits & ASTNode.ParenthesizedMASK) >> ASTNode.ParenthesizedSHIFT == 0) {
		if (messageSend.receiver instanceof MessageSend) {
			this.fragmentsList.add(0, messageSend);
			messageSend.receiver.traverse(this, scope);
			return false;
		}
		this.fragmentsList.add(0, messageSend);
		this.fragmentsList.add(1, messageSend);
	} else {
		this.fragmentsList.add(0, messageSend);
		this.fragmentsList.add(1, messageSend);
	}
	return false;
}
 

public int match(MessageSend node, MatchingNodeSet nodeSet) {
	int level = IMPOSSIBLE_MATCH;
	for (int i = 0, length = this.patternLocators.length; i < length; i++) {
		int newLevel = this.patternLocators[i].match(node, nodeSet);
		if (newLevel > level) {
			if (newLevel == ACCURATE_MATCH) return ACCURATE_MATCH;
			level = newLevel;
		}
	}
	return level;
}
 

public int match(MessageSend node, MatchingNodeSet nodeSet) {
	int level = IMPOSSIBLE_MATCH;
	for (int i = 0, length = this.patternLocators.length; i < length; i++) {
		int newLevel = this.patternLocators[i].match(node, nodeSet);
		if (newLevel > level) {
			if (newLevel == ACCURATE_MATCH) return ACCURATE_MATCH;
			level = newLevel;
		}
	}
	return level;
}
 

boolean isResolvedTypeInferredFromExpectedType(MethodInvocation methodInvocation) {
	Object oldNode = this.newAstToOldAst.get(methodInvocation);
	if (oldNode instanceof MessageSend) {
		MessageSend messageSend = (MessageSend) oldNode;
		org.eclipse.jdt.internal.compiler.lookup.MethodBinding methodBinding = messageSend.binding;
		if (methodBinding instanceof ParameterizedGenericMethodBinding) {
			ParameterizedGenericMethodBinding genericMethodBinding = (ParameterizedGenericMethodBinding) methodBinding;
			return genericMethodBinding.inferredReturnType;
		}
	}
	return false;
}
 

boolean isResolvedTypeInferredFromExpectedType(SuperMethodInvocation superMethodInvocation) {
	Object oldNode = this.newAstToOldAst.get(superMethodInvocation);
	if (oldNode instanceof MessageSend) {
		MessageSend messageSend = (MessageSend) oldNode;
		org.eclipse.jdt.internal.compiler.lookup.MethodBinding methodBinding = messageSend.binding;
		if (methodBinding instanceof ParameterizedGenericMethodBinding) {
			ParameterizedGenericMethodBinding genericMethodBinding = (ParameterizedGenericMethodBinding) methodBinding;
			return genericMethodBinding.inferredReturnType;
		}
	}
	return false;
}
 

synchronized IMethodBinding resolveMethod(MethodInvocation method) {
	Object oldNode = this.newAstToOldAst.get(method);
	if (oldNode instanceof MessageSend) {
		MessageSend messageSend = (MessageSend) oldNode;
		return getMethodBinding(messageSend.binding);
	}
	return null;
}
 

synchronized IMethodBinding resolveMethod(SuperMethodInvocation method) {
	Object oldNode = this.newAstToOldAst.get(method);
	if (oldNode instanceof MessageSend) {
		MessageSend messageSend = (MessageSend) oldNode;
		return getMethodBinding(messageSend.binding);
	}
	return null;
}
 

/**
 * Calculates the beginning position of a given {@link ASTNode}
 * @param node
 * @return
 */
protected int getNodeBegin(ASTNode node) {
	if (node instanceof NameReference) {
		return ((NameReference) node).sourceStart;
	} else if (node instanceof FieldReference) {
		return ((FieldReference) node).receiver.sourceStart;
	} else if (node instanceof MessageSend) {
		return ((MessageSend) node).receiver.sourceStart;
	}
	return node.sourceStart;
}
 

public Expression get(final ASTNode source, char[] name) {
	MessageSend call = new MessageSend();
	call.sourceStart = source.sourceStart; call.sourceEnd = source.sourceEnd;
	call.nameSourcePosition = pos(source);
	setGeneratedBy(call, source);
	call.selector = name;
	call.receiver = new ThisReference(source.sourceStart, source.sourceEnd);
	setGeneratedBy(call.receiver, source);
	return call;
}
 

static Expression createFieldAccessor(EclipseNode field, FieldAccess fieldAccess, ASTNode source, char[] receiver) {
	int pS = source.sourceStart, pE = source.sourceEnd;
	long p = (long)pS << 32 | pE;
	
	boolean lookForGetter = lookForGetter(field, fieldAccess);
	
	GetterMethod getter = lookForGetter ? findGetter(field) : null;
	
	if (getter == null) {
		NameReference ref;
		
		char[][] tokens = new char[2][];
		tokens[0] = receiver;
		tokens[1] = field.getName().toCharArray();
		long[] poss = {p, p};
		
		ref = new QualifiedNameReference(tokens, poss, pS, pE);
		setGeneratedBy(ref, source);
		return ref;
	}
	
	MessageSend call = new MessageSend();
	setGeneratedBy(call, source);
	call.sourceStart = pS; call.statementEnd = call.sourceEnd = pE;
	call.receiver = new SingleNameReference(receiver, p);
	setGeneratedBy(call.receiver, source);
	call.selector = getter.name;
	return call;
}
 

static Expression createFieldAccessor(EclipseNode field, FieldAccess fieldAccess, ASTNode source) {
	int pS = source == null ? 0 : source.sourceStart, pE = source == null ? 0 : source.sourceEnd;
	long p = (long)pS << 32 | pE;
	
	boolean lookForGetter = lookForGetter(field, fieldAccess);
	
	GetterMethod getter = lookForGetter ? findGetter(field) : null;
	
	if (getter == null) {
		FieldDeclaration fieldDecl = (FieldDeclaration)field.get();
		FieldReference ref = new FieldReference(fieldDecl.name, p);
		if ((fieldDecl.modifiers & ClassFileConstants.AccStatic) != 0) {
			EclipseNode containerNode = field.up();
			if (containerNode != null && containerNode.get() instanceof TypeDeclaration) {
				ref.receiver = new SingleNameReference(((TypeDeclaration)containerNode.get()).name, p);
			} else {
				Expression smallRef = new FieldReference(field.getName().toCharArray(), p);
				if (source != null) setGeneratedBy(smallRef, source);
				return smallRef;
			}
		} else {
			ref.receiver = new ThisReference(pS, pE);
		}
		
		if (source != null) {
			setGeneratedBy(ref, source);
			setGeneratedBy(ref.receiver, source);
		}
		return ref;
	}
	
	MessageSend call = new MessageSend();
	setGeneratedBy(call, source);
	call.sourceStart = pS; call.statementEnd = call.sourceEnd = pE;
	call.receiver = new ThisReference(pS, pE);
	setGeneratedBy(call.receiver, source);
	call.selector = getter.name;
	return call;
}
 

void generatePluralMethod(TypeReference returnType, Statement returnStatement, SingularData data, EclipseNode builderType, boolean fluent) {
	boolean mapMode = isMap();
	
	MethodDeclaration md = new MethodDeclaration(((CompilationUnitDeclaration) builderType.top().get()).compilationResult);
	md.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG;
	md.modifiers = ClassFileConstants.AccPublic;
	
	List<Statement> statements = new ArrayList<Statement>();
	statements.add(createConstructBuilderVarIfNeeded(data, builderType));
	
	FieldReference thisDotField = new FieldReference(data.getPluralName(), 0L);
	thisDotField.receiver = new ThisReference(0, 0);
	MessageSend thisDotFieldDotAddAll = new MessageSend();
	thisDotFieldDotAddAll.arguments = new Expression[] {new SingleNameReference(data.getPluralName(), 0L)};
	thisDotFieldDotAddAll.receiver = thisDotField;
	thisDotFieldDotAddAll.selector = (mapMode ? "putAll" : "addAll").toCharArray();
	statements.add(thisDotFieldDotAddAll);
	if (returnStatement != null) statements.add(returnStatement);
	
	md.statements = statements.toArray(new Statement[statements.size()]);
	
	TypeReference paramType;
	if (mapMode) {
		paramType = new QualifiedTypeReference(JAVA_UTIL_MAP, NULL_POSS);
		paramType = addTypeArgs(2, true, builderType, paramType, data.getTypeArgs());
	} else {
		paramType = new QualifiedTypeReference(TypeConstants.JAVA_LANG_ITERABLE, NULL_POSS);
		paramType = addTypeArgs(1, true, builderType, paramType, data.getTypeArgs());
	}
	Argument param = new Argument(data.getPluralName(), 0, paramType, 0);
	md.arguments = new Argument[] {param};
	md.returnType = returnType;
	md.selector = fluent ? data.getPluralName() : HandlerUtil.buildAccessorName(mapMode ? "putAll" : "addAll", new String(data.getPluralName())).toCharArray();
	
	data.setGeneratedByRecursive(md);
	injectMethod(builderType, md);
}
 

public static void errorNoMethodFor(ProblemReporter problemReporter, MessageSend messageSend, TypeBinding recType, TypeBinding[] params) {
	MessageSend_postponedErrors.set(messageSend, new PostponedNoMethodError(problemReporter, messageSend, recType, params));
}
 

public static TypeBinding resolveType(TypeBinding resolvedType, MessageSend methodCall, BlockScope scope) {
	return (TypeBinding) Util.invokeMethod(RESOLVE_TYPE, resolvedType, methodCall, scope);
}
 

public void reportInvalidInvocation(Invocation invocation, MethodBinding binding) {
	if (invocation instanceof MessageSend)
		this.scope.problemReporter().invalidMethod((MessageSend) invocation, binding);
	else
		this.scope.problemReporter().invalidConstructor((Statement)invocation, binding);
}
 

public static void errorNoMethodFor(ProblemReporter problemReporter, MessageSend messageSend, TypeBinding recType, TypeBinding[] params) {
	Util.invokeMethod(ERROR_NO_METHOD_FOR, problemReporter, messageSend, recType, params);
}