List of usage examples for org.eclipse.jdt.core.dom ArrayType getElementType
public Type getElementType()
From source file:at.bestsolution.fxide.jdt.corext.dom.ASTFlattener.java
License:Open Source License
@Override public boolean visit(ArrayCreation node) { this.fBuffer.append("new ");//$NON-NLS-1$ ArrayType at = node.getType(); int dims = at.getDimensions(); Type elementType = at.getElementType(); elementType.accept(this); for (Iterator<Expression> it = node.dimensions().iterator(); it.hasNext();) { this.fBuffer.append("[");//$NON-NLS-1$ Expression e = it.next(); e.accept(this); this.fBuffer.append("]");//$NON-NLS-1$ dims--;/* ww w .j a v a 2 s . c o m*/ } // add empty "[]" for each extra array dimension for (int i = 0; i < dims; i++) { this.fBuffer.append("[]");//$NON-NLS-1$ } if (node.getInitializer() != null) { node.getInitializer().accept(this); } return false; }
From source file:at.bestsolution.fxide.jdt.corext.dom.ASTFlattener.java
License:Open Source License
@Override public boolean visit(ArrayType node) { if (node.getAST().apiLevel() < AST.JLS8) { getComponentType(node).accept(this); this.fBuffer.append("[]");//$NON-NLS-1$ } else {/* ww w .j a va2 s .c o m*/ node.getElementType().accept(this); List<Dimension> dimensions = node.dimensions(); for (int i = 0; i < dimensions.size(); i++) { Dimension dimension = dimensions.get(i); dimension.accept(this); } } return false; }
From source file:boa.datagen.util.Java8Visitor.java
License:Apache License
protected String typeName(final ArrayType t) { String name = typeName(t.getElementType()); // FIXME JLS8: Deprecated getDimensions() and added dimensions() for (int i = 0; i < t.getDimensions(); i++) name += "[]"; return name;//from w w w .ja va 2 s .co m }
From source file:coloredide.utils.CopiedNaiveASTFlattener.java
License:Open Source License
public boolean visit(ArrayCreation node) { this.buffer.append("new ");//$NON-NLS-1$ ArrayType at = node.getType(); int dims = at.getDimensions(); Type elementType = at.getElementType(); elementType.accept(this); for (Iterator it = node.dimensions().iterator(); it.hasNext();) { this.buffer.append("[");//$NON-NLS-1$ Expression e = (Expression) it.next(); e.accept(this); this.buffer.append("]");//$NON-NLS-1$ dims--;//from w ww . j a v a 2 s . c o m } // add empty "[]" for each extra array dimension for (int i = 0; i < dims; i++) { this.buffer.append("[]");//$NON-NLS-1$ } if (node.getInitializer() != null) { node.getInitializer().accept(this); } return false; }
From source file:com.facebook.buck.jvm.java.JavaFileParser.java
License:Apache License
public JavaFileFeatures extractFeaturesFromJavaCode(String code) { // For now, we will harcode this. Ultimately, we probably want to make this configurable via // .buckconfig. For example, the Buck project itself is diligent about disallowing wildcard // imports, but the one exception is the Java code generated via Thrift in src-gen. boolean shouldThrowForUnsupportedWildcardImport = false; AtomicBoolean isPoisonedByUnsupportedWildcardImport = new AtomicBoolean(false); CompilationUnit compilationUnit = makeCompilationUnitFromSource(code); ImmutableSortedSet.Builder<String> providedSymbols = ImmutableSortedSet.naturalOrder(); ImmutableSortedSet.Builder<String> requiredSymbols = ImmutableSortedSet.naturalOrder(); ImmutableSortedSet.Builder<String> exportedSymbols = ImmutableSortedSet.naturalOrder(); ImmutableSortedSet.Builder<String> requiredSymbolsFromExplicitImports = ImmutableSortedSet.naturalOrder(); compilationUnit.accept(new ASTVisitor() { @Nullable/*ww w.j av a 2s . c om*/ private String packageName; /** Maps simple name to fully-qualified name. */ private Map<String, String> simpleImportedTypes = new HashMap<>(); /** * Maps wildcard import prefixes, such as {@code "java.util"} to the types in the * respective package if a wildcard import such as {@code import java.util.*} is used. */ private Map<String, ImmutableSet<String>> wildcardImports = new HashMap<>(); @Override public boolean visit(PackageDeclaration node) { Preconditions.checkState(packageName == null, "There should be at most one package declaration"); packageName = node.getName().getFullyQualifiedName(); return false; } // providedSymbols @Override public boolean visit(TypeDeclaration node) { // Local classes can be declared inside of methods. Skip over these. if (node.getParent() instanceof TypeDeclarationStatement) { return true; } String fullyQualifiedName = getFullyQualifiedTypeName(node); if (fullyQualifiedName != null) { providedSymbols.add(fullyQualifiedName); } @SuppressWarnings("unchecked") List<Type> interfaceTypes = node.superInterfaceTypes(); for (Type interfaceType : interfaceTypes) { tryAddType(interfaceType, DependencyType.EXPORTED); } Type superclassType = node.getSuperclassType(); if (superclassType != null) { tryAddType(superclassType, DependencyType.EXPORTED); } return true; } @Override public boolean visit(EnumDeclaration node) { String fullyQualifiedName = getFullyQualifiedTypeName(node); if (fullyQualifiedName != null) { providedSymbols.add(fullyQualifiedName); } return true; } @Override public boolean visit(AnnotationTypeDeclaration node) { String fullyQualifiedName = getFullyQualifiedTypeName(node); if (fullyQualifiedName != null) { providedSymbols.add(fullyQualifiedName); } return true; } // requiredSymbols /** * Uses heuristics to try to figure out what type of QualifiedName this is. Returns a * non-null value if this is believed to be a reference that qualifies as a "required * symbol" relationship. */ @Override public boolean visit(QualifiedName node) { QualifiedName ancestor = findMostQualifiedAncestor(node); ASTNode parent = ancestor.getParent(); if (!(parent instanceof PackageDeclaration) && !(parent instanceof ImportDeclaration)) { String symbol = ancestor.getFullyQualifiedName(); // If it does not start with an uppercase letter, it is probably because it is a // property lookup. if (CharMatcher.javaUpperCase().matches(symbol.charAt(0))) { addTypeFromDotDelimitedSequence(symbol, DependencyType.REQUIRED); } } return false; } /** * @param expr could be "Example", "Example.field", "com.example.Example". Note it could * also be a built-in type, such as "java.lang.Integer", in which case it will not be * added to the set of required symbols. */ private void addTypeFromDotDelimitedSequence(String expr, DependencyType dependencyType) { // At this point, symbol could be `System.out`. We want to reduce it to `System` and // then check it against JAVA_LANG_TYPES. if (startsWithUppercaseChar(expr)) { int index = expr.indexOf('.'); if (index >= 0) { String leftmostComponent = expr.substring(0, index); if (JAVA_LANG_TYPES.contains(leftmostComponent)) { return; } } } expr = qualifyWithPackageNameIfNecessary(expr); addSymbol(expr, dependencyType); } @Override public boolean visit(ImportDeclaration node) { String fullyQualifiedName = node.getName().getFullyQualifiedName(); // Apparently, "on demand" means "uses a wildcard," such as "import java.util.*". // Although we can choose to prohibit these in our own code, it is much harder to // enforce for third-party code. As such, we will tolerate these for some of the common // cases. if (node.isOnDemand()) { ImmutableSet<String> value = SUPPORTED_WILDCARD_IMPORTS.get(fullyQualifiedName); if (value != null) { wildcardImports.put(fullyQualifiedName, value); return false; } else if (shouldThrowForUnsupportedWildcardImport) { throw new RuntimeException(String.format( "Use of wildcard 'import %s.*' makes it impossible to statically determine " + "required symbols in this file. Please enumerate explicit imports.", fullyQualifiedName)); } else { isPoisonedByUnsupportedWildcardImport.set(true); return false; } } // Only worry about the dependency on the enclosing type. Optional<String> simpleName = getSimpleNameFromFullyQualifiedName(fullyQualifiedName); if (simpleName.isPresent()) { String name = simpleName.get(); int index = fullyQualifiedName.indexOf("." + name); String enclosingType = fullyQualifiedName.substring(0, index + name.length() + 1); requiredSymbolsFromExplicitImports.add(enclosingType); simpleImportedTypes.put(name, enclosingType); } else { LOG.warn("Suspicious import lacks obvious enclosing type: %s", fullyQualifiedName); // The one example we have seen of this in the wild is // "org.whispersystems.curve25519.java.curve_sigs". In practice, we still need to add // it as a required symbol in this case. requiredSymbols.add(fullyQualifiedName); } return false; } @Override public boolean visit(MethodInvocation node) { if (node.getExpression() == null) { return true; } String receiver = node.getExpression().toString(); if (looksLikeAType(receiver)) { addTypeFromDotDelimitedSequence(receiver, DependencyType.REQUIRED); } return true; } /** An annotation on a member with zero arguments. */ @Override public boolean visit(MarkerAnnotation node) { DependencyType dependencyType = findDependencyTypeForAnnotation(node); addSimpleTypeName(node.getTypeName(), dependencyType); return true; } /** An annotation on a member with named arguments. */ @Override public boolean visit(NormalAnnotation node) { DependencyType dependencyType = findDependencyTypeForAnnotation(node); addSimpleTypeName(node.getTypeName(), dependencyType); return true; } /** An annotation on a member with a single, unnamed argument. */ @Override public boolean visit(SingleMemberAnnotation node) { DependencyType dependencyType = findDependencyTypeForAnnotation(node); addSimpleTypeName(node.getTypeName(), dependencyType); return true; } private DependencyType findDependencyTypeForAnnotation(Annotation annotation) { ASTNode parentNode = annotation.getParent(); if (parentNode == null) { return DependencyType.REQUIRED; } if (parentNode instanceof BodyDeclaration) { // Note that BodyDeclaration is an abstract class. Its subclasses are things like // FieldDeclaration and MethodDeclaration. We want to be sure that an annotation on // any non-private declaration is considered an exported symbol. BodyDeclaration declaration = (BodyDeclaration) parentNode; int modifiers = declaration.getModifiers(); if ((modifiers & Modifier.PRIVATE) == 0) { return DependencyType.EXPORTED; } } return DependencyType.REQUIRED; } @Override public boolean visit(SimpleType node) { // This method is responsible for finding the overwhelming majority of the required // symbols in the AST. tryAddType(node, DependencyType.REQUIRED); return true; } // exportedSymbols @Override public boolean visit(MethodDeclaration node) { // Types from private method signatures need not be exported. if ((node.getModifiers() & Modifier.PRIVATE) != 0) { return true; } Type returnType = node.getReturnType2(); if (returnType != null) { tryAddType(returnType, DependencyType.EXPORTED); } @SuppressWarnings("unchecked") List<SingleVariableDeclaration> params = node.parameters(); for (SingleVariableDeclaration decl : params) { tryAddType(decl.getType(), DependencyType.EXPORTED); } @SuppressWarnings("unchecked") List<Type> exceptions = node.thrownExceptionTypes(); for (Type exception : exceptions) { tryAddType(exception, DependencyType.EXPORTED); } return true; } @Override public boolean visit(FieldDeclaration node) { // Types from private fields need not be exported. if ((node.getModifiers() & Modifier.PRIVATE) == 0) { tryAddType(node.getType(), DependencyType.EXPORTED); } return true; } private void tryAddType(Type type, DependencyType dependencyType) { if (type.isSimpleType()) { SimpleType simpleType = (SimpleType) type; Name simpleTypeName = simpleType.getName(); String simpleName = simpleTypeName.toString(); // For a Type such as IExample<T>, both "IExample" and "T" will be submitted here as // simple types. As such, we use this imperfect heuristic to filter out "T" from being // added. Note that this will erroneously exclude "URI". In practice, this should // generally be OK. For example, assuming "URI" is also imported, then at least it // will end up in the set of required symbols. To this end, we perform a second check // for "all caps" types to see if there is a corresponding import and if it should be // exported rather than simply required. if (!CharMatcher.javaUpperCase().matchesAllOf(simpleName) || (dependencyType == DependencyType.EXPORTED && simpleImportedTypes.containsKey(simpleName))) { addSimpleTypeName(simpleTypeName, dependencyType); } } else if (type.isArrayType()) { ArrayType arrayType = (ArrayType) type; tryAddType(arrayType.getElementType(), dependencyType); } else if (type.isParameterizedType()) { ParameterizedType parameterizedType = (ParameterizedType) type; tryAddType(parameterizedType.getType(), dependencyType); @SuppressWarnings("unchecked") List<Type> argTypes = parameterizedType.typeArguments(); for (Type argType : argTypes) { tryAddType(argType, dependencyType); } } } private void addSimpleTypeName(Name simpleTypeName, DependencyType dependencyType) { String simpleName = simpleTypeName.toString(); if (JAVA_LANG_TYPES.contains(simpleName)) { return; } String fullyQualifiedNameForSimpleName = simpleImportedTypes.get(simpleName); if (fullyQualifiedNameForSimpleName != null) { // May need to promote from required to exported in this case. if (dependencyType == DependencyType.EXPORTED) { addSymbol(fullyQualifiedNameForSimpleName, DependencyType.EXPORTED); } return; } // For well-behaved source code, this will always be empty, so don't even bother to // create the iterator most of the time. if (!wildcardImports.isEmpty()) { for (Map.Entry<String, ImmutableSet<String>> entry : wildcardImports.entrySet()) { Set<String> types = entry.getValue(); if (types.contains(simpleName)) { String packageName = entry.getKey(); addSymbol(packageName + "." + simpleName, dependencyType); return; } } } String symbol = simpleTypeName.getFullyQualifiedName(); symbol = qualifyWithPackageNameIfNecessary(symbol); addSymbol(symbol, dependencyType); } private void addSymbol(String symbol, DependencyType dependencyType) { ((dependencyType == DependencyType.REQUIRED) ? requiredSymbols : exportedSymbols).add(symbol); } private String qualifyWithPackageNameIfNecessary(String symbol) { if (!startsWithUppercaseChar(symbol)) { return symbol; } // If the symbol starts with a capital letter, then we assume that it is a reference to // a type in the same package. int index = symbol.indexOf('.'); if (index >= 0) { symbol = symbol.substring(0, index); } if (packageName != null) { symbol = packageName + "." + symbol; } return symbol; } }); // TODO(mbolin): Special treatment for exportedSymbols when poisoned by wildcard import. ImmutableSortedSet<String> totalExportedSymbols = exportedSymbols.build(); // If we were poisoned by an unsupported wildcard import, then we should rely exclusively on // the explicit imports to determine the required symbols. Set<String> totalRequiredSymbols = new HashSet<>(); if (isPoisonedByUnsupportedWildcardImport.get()) { totalRequiredSymbols.addAll(requiredSymbolsFromExplicitImports.build()); } else { totalRequiredSymbols.addAll(requiredSymbolsFromExplicitImports.build()); totalRequiredSymbols.addAll(requiredSymbols.build()); } // Make sure that required and exported symbols are disjoint sets. totalRequiredSymbols.removeAll(totalExportedSymbols); return new JavaFileFeatures(providedSymbols.build(), ImmutableSortedSet.copyOf(totalRequiredSymbols), totalExportedSymbols); }
From source file:com.google.dart.java2dart.SyntaxTranslator.java
License:Open Source License
@Override public boolean visit(org.eclipse.jdt.core.dom.ArrayType node) { TypeName elementType = translate(node.getElementType()); int dimensions = node.getDimensions(); return done(listType(elementType, dimensions)); }
From source file:com.google.devtools.j2cpp.gen.CppStatementGenerator.java
License:Open Source License
@Override public boolean visit(ArrayCreation node) { @SuppressWarnings("unchecked") List<Expression> dimensions = node.dimensions(); // safe by definition ArrayInitializer init = node.getInitializer(); if (init != null) { // Create an expression like [IOSArrayInt arrayWithInts:(int[]){ 1, 2, 3 }]. ArrayType at = node.getType(); ITypeBinding componentType = Types.getTypeBinding(node).getComponentType(); // New array needs to be retained if it's a new assignment, since the // arrayWith* methods return an autoreleased object. boolean shouldRetain = useReferenceCounting && isNewAssignment(node); if (shouldRetain) { buffer.append("[["); } else {// ww w.j av a 2 s . c o m buffer.append('['); } String elementType = at.getElementType().toString(); buffer.append(elementType); buffer.append(' '); IOSArrayTypeBinding iosArrayBinding = Types.resolveArrayType(componentType); buffer.append(iosArrayBinding.getInitMethod()); buffer.append(':'); printArrayLiteral(init); buffer.append(" count:"); buffer.append(init.expressions().size()); if (elementType.equals("IOSObjectArray")) { buffer.append(" type:"); printObjectArrayType(componentType); } buffer.append(']'); if (shouldRetain) { buffer.append(" retain]"); } } else if (node.dimensions().size() > 1) { printMultiDimArray(Types.getTypeBinding(node).getElementType(), dimensions); } else { assert dimensions.size() == 1; printSingleDimArray(Types.getTypeBinding(node).getElementType(), dimensions.get(0), useReferenceCounting && !isNewAssignment(node)); } return false; }
From source file:com.google.googlejavaformat.java.JavaInputAstVisitor.java
License:Apache License
/** Helper method for {@link ArrayCreation}s and {@link ArrayType}s. */ private void visitArrayType(ArrayType node, DimensionsOrNot includeDimensions) { if (includeDimensions.isYes() && !node.dimensions().isEmpty()) { builder.open(plusFour);/*from w w w . ja va 2s . com*/ } node.getElementType().accept(this); if (includeDimensions.isYes()) { for (Dimension dimension : (List<Dimension>) node.dimensions()) { builder.breakToFill(dimension.annotations().isEmpty() ? "" : " "); visit(dimension); } } if (includeDimensions.isYes() && !node.dimensions().isEmpty()) { builder.close(); } }
From source file:com.kodebeagle.javaparser.TypeResolver.java
License:Apache License
/** * @param type//from w w w . jav a 2 s. c o m * @return */ protected String getNameOfType(final Type type) { String nameOfType = ""; if (type != null) { if (type.isPrimitiveType()) { nameOfType = type.toString(); } else if (type.isParameterizedType()) { nameOfType = getParametrizedType((ParameterizedType) type); } else if (type.isArrayType()) { final ArrayType array = (ArrayType) type; nameOfType = getNameOfType(array.getElementType()) /*+ "[]"*/; } else if (type.isUnionType()) { // TODO: this is used for exceptions till now // So we will just capture the first type that we encounter final UnionType uType = (UnionType) type; final StringBuffer sb = new StringBuffer(); for (final Object unionedType : uType.types()) { sb.append(getNameOfType(((Type) unionedType))); break; // sb.append(" | "); } // sb.delete(sb.length() - 3, sb.length()); nameOfType = sb.toString(); } else if (type.isWildcardType()) { final WildcardType wType = (WildcardType) type; nameOfType = (wType.isUpperBound() ? "? extends " : "? super ") + getNameOfType(wType.getBound()); } else { nameOfType = getFullyQualifiedNameFor(type.toString()); } } return nameOfType; }
From source file:de.akra.idocit.java.services.ReflectionHelper.java
License:Apache License
/** * Returns the identifier from the {@link Type} depending on the containing type. * /*from ww w. ja va2 s .c om*/ * @param type * [SOURCE] * * @return [OBJECT] * @see Type * @thematicgrid Extracting Operations */ public static String extractIdentifierFrom(Type type) { switch (type.getNodeType()) { case ASTNode.PRIMITIVE_TYPE: { PrimitiveType primitiveType = (PrimitiveType) type; return primitiveType.getPrimitiveTypeCode().toString(); } case ASTNode.ARRAY_TYPE: { ArrayType arrayType = (ArrayType) type; String name = extractIdentifierFrom(arrayType.getElementType()); StringBuffer identifier = new StringBuffer(name); for (int i = 0; i < arrayType.getDimensions(); i++) { identifier.append("[]"); } return identifier.toString(); } case ASTNode.SIMPLE_TYPE: { SimpleType simpleType = (SimpleType) type; return simpleType.getName().getFullyQualifiedName(); } case ASTNode.QUALIFIED_TYPE: { QualifiedType qType = (QualifiedType) type; return extractIdentifierFrom(qType.getQualifier()) + "." + qType.getName().getIdentifier(); } case ASTNode.PARAMETERIZED_TYPE: { ParameterizedType paramType = (ParameterizedType) type; StringBuffer identifier = new StringBuffer(extractIdentifierFrom(paramType.getType())); identifier.append('<'); @SuppressWarnings("unchecked") Iterator<Type> iterTypeArgs = (Iterator<Type>) paramType.typeArguments().iterator(); while (iterTypeArgs.hasNext()) { Type typeArg = iterTypeArgs.next(); identifier.append(extractIdentifierFrom(typeArg)); if (iterTypeArgs.hasNext()) { identifier.append(','); } } identifier.append('>'); return identifier.toString(); } case ASTNode.WILDCARD_TYPE: { WildcardType wildcard = (WildcardType) type; String identifier = "? extends "; if (!wildcard.isUpperBound()) { identifier = "? super "; } return identifier + extractIdentifierFrom(wildcard.getBound()); } } return SignatureElement.ANONYMOUS_IDENTIFIER; }