List of usage examples for org.eclipse.jdt.core.dom SimpleType getName
public Name getName()
From source file:at.bestsolution.fxide.jdt.corext.dom.ASTFlattener.java
License:Open Source License
@Override public boolean visit(SimpleType node) { printTypeAnnotations(node);//from w ww . ja v a2 s. c o m node.getName().accept(this); return false; }
From source file:boa.datagen.util.Java7Visitor.java
License:Apache License
protected String typeName(final SimpleType t) { return t.getName().getFullyQualifiedName(); }
From source file:chibi.gumtreediff.gen.jdt.cd.CdJdtVisitor.java
License:Open Source License
@Override public boolean visit(SimpleType node) { String vName = ""; if (fInMethodDeclaration) { vName += getCurrentParent().getLabel() + COLON_SPACE; }/*from w w w . j a v a2 s . c o m*/ pushNode(node, vName + node.getName().getFullyQualifiedName()); 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// w w w .jav a2 s. co m 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.SimpleType node) { String name = node.getName().toString(); ITypeBinding binding = node.resolveBinding(); // in Dart we cannot use separate type parameters for methods, so we replace // them with type bounds if (binding != null && binding.isTypeVariable() && binding.getDeclaringMethod() != null) { binding = binding.getErasure();/* w w w . j a v a 2s .co m*/ name = binding.getName(); } // translate name SimpleIdentifier nameNode = identifier(name); putReference(binding, nameNode); { if ("Void".equals(name)) { nameNode = identifier("Object"); } if ("Boolean".equals(name)) { nameNode = identifier("bool"); } if ("Short".equals(name) || "Integer".equals(name) || "Long".equals(name)) { nameNode = identifier("int"); } if ("Float".equals(name) || "Double".equals(name)) { nameNode = identifier("double"); } if ("BigInteger".equals(name)) { nameNode = identifier("int"); } } // done TypeName typeName = typeName(nameNode); context.putNodeBinding(typeName, binding); context.putNodeTypeBinding(typeName, binding); return done(typeName); }
From source file:com.google.devtools.j2cpp.translate.JavaToIOSMethodTranslator.java
License:Open Source License
@Override public boolean visit(MethodDeclaration node) { if (node.getBody() != null) { visit(node.getBody());//from w w w.j av a 2s . c om } IMethodBinding binding = Types.getMethodBinding(node); for (IMethodBinding overridable : overridableMethods) { if (!binding.isConstructor() && (binding.isEqualTo(overridable) || binding.overrides(overridable))) { JavaMethod md = getDescription(overridable); String key = md.getKey(); String value = methodMappings.get(key); if (value != null) { IOSMethod iosMethod = new IOSMethod(value, binding, ast); node.setName(ast.newSimpleName(iosMethod.getName())); Types.addBinding(node.getName(), iosMethod.resolveBinding()); Types.addMappedIOSMethod(binding, iosMethod); // Map parameters, if any. @SuppressWarnings("unchecked") List<SingleVariableDeclaration> parameters = node.parameters(); int n = parameters.size(); if (n > 0) { List<IOSParameter> iosArgs = iosMethod.getParameters(); assert n == iosArgs.size() || iosMethod.isVarArgs(); // Pull parameters out of list, so they can be reordered. SingleVariableDeclaration[] params = parameters.toArray(new SingleVariableDeclaration[n]); for (int i = 0; i < n; i++) { SingleVariableDeclaration var = params[i]; IVariableBinding varBinding = Types.getVariableBinding(var); IOSParameter iosArg = iosArgs.get(i); SimpleType paramType = ast .newSimpleType(NameTable.unsafeSimpleName(iosArg.getType(), ast)); Types.addBinding(paramType, varBinding); Types.addBinding(paramType.getName(), varBinding); var.setType(paramType); Types.addBinding(var.getName(), varBinding); parameters.set(iosArg.getIndex(), var); } } Types.addMappedIOSMethod(binding, iosMethod); } return false; } } return false; }
From source file:com.google.devtools.j2objc.jdt.JdtJ2ObjCIncompatibleStripper.java
License:Apache License
@Override public boolean visit(SimpleType node) { unusedImports.remove(getFirstComponent(node.getName())); return false; }
From source file:com.google.devtools.j2objc.translate.ASTFactoryTest.java
License:Apache License
public void testNewType() throws IOException { ITypeBinding binding = Types.getTypeBinding(unit.types().get(0)); Type type = ASTFactory.newType(ast, binding); assertTrue(type instanceof SimpleType); SimpleType simpleType = (SimpleType) type; assertEquals("Example", simpleType.getName().getFullyQualifiedName()); }
From source file:com.google.devtools.j2objc.types.TypesTest.java
License:Open Source License
public void testMakeType() throws IOException { ITypeBinding binding = Types.getTypeBinding(unit.types().get(0)); Type type = Types.makeType(binding); assertTrue(type instanceof SimpleType); SimpleType simpleType = (SimpleType) type; assertEquals("Example", simpleType.getName().getFullyQualifiedName()); }
From source file:com.google.googlejavaformat.java.JavaInputAstVisitor.java
License:Apache License
/** Visitor method for {@link SimpleType}s. */ @Override//w ww. ja v a 2s .com public boolean visit(SimpleType node) { sync(node); beforeAnnotatableType(node); node.getName().accept(this); return false; }