| package com.github.javaparser.ast.validator; |
| |
| import com.github.javaparser.ast.ImportDeclaration; |
| import com.github.javaparser.ast.Node; |
| import com.github.javaparser.ast.body.*; |
| import com.github.javaparser.ast.expr.AnnotationExpr; |
| import com.github.javaparser.ast.expr.ClassExpr; |
| import com.github.javaparser.ast.expr.LambdaExpr; |
| import com.github.javaparser.ast.expr.StringLiteralExpr; |
| import com.github.javaparser.ast.modules.ModuleDeclaration; |
| import com.github.javaparser.ast.nodeTypes.NodeWithTypeArguments; |
| import com.github.javaparser.ast.nodeTypes.NodeWithTypeParameters; |
| import com.github.javaparser.ast.stmt.AssertStmt; |
| import com.github.javaparser.ast.stmt.ForeachStmt; |
| import com.github.javaparser.ast.stmt.SwitchEntryStmt; |
| import com.github.javaparser.ast.stmt.TryStmt; |
| import com.github.javaparser.ast.type.UnionType; |
| import com.github.javaparser.ast.validator.chunks.CommonValidators; |
| import com.github.javaparser.ast.validator.chunks.ModifierValidator; |
| import com.github.javaparser.ast.validator.chunks.NoBinaryIntegerLiteralsValidator; |
| import com.github.javaparser.ast.validator.chunks.NoUnderscoresInIntegerLiteralsValidator; |
| |
| /** |
| * This validator validates according to Java 1.0 syntax rules. |
| */ |
| public class Java1_0Validator extends Validators { |
| protected final Validator modifiersWithoutStrictfpAndDefaultAndStaticInterfaceMethodsAndPrivateInterfaceMethods |
| = new ModifierValidator(false, false, false); |
| protected final Validator noAssertKeyword = new SimpleValidator<>(AssertStmt.class, |
| n -> true, |
| (n, reporter) -> reporter.report(n, "'assert' keyword is not supported.") |
| ); |
| protected final Validator noInnerClasses = new SimpleValidator<>(ClassOrInterfaceDeclaration.class, |
| n -> !n.isTopLevelType(), |
| (n, reporter) -> reporter.report(n, "inner classes or interfaces are not supported.") |
| ); |
| protected final Validator noReflection = new SimpleValidator<>(ClassExpr.class, |
| n -> true, |
| (n, reporter) -> reporter.report(n, "Reflection is not supported.") |
| ); |
| protected final Validator noGenerics = new TreeVisitorValidator((node, reporter) -> { |
| if (node instanceof NodeWithTypeArguments) { |
| if (((NodeWithTypeArguments<? extends Node>) node).getTypeArguments().isPresent()) { |
| reporter.report(node, "Generics are not supported."); |
| } |
| } |
| if (node instanceof NodeWithTypeParameters) { |
| if (((NodeWithTypeParameters<? extends Node>) node).getTypeParameters().isNonEmpty()) { |
| reporter.report(node, "Generics are not supported."); |
| } |
| } |
| }); |
| protected final SingleNodeTypeValidator<TryStmt> tryWithoutResources = new SingleNodeTypeValidator<>(TryStmt.class, (n, reporter) -> { |
| if (n.getCatchClauses().isEmpty() && !n.getFinallyBlock().isPresent()) { |
| reporter.report(n, "Try has no finally and no catch."); |
| } |
| if (n.getResources().isNonEmpty()) { |
| reporter.report(n, "Catch with resource is not supported."); |
| } |
| }); |
| protected final Validator noAnnotations = new TreeVisitorValidator((node, reporter) -> { |
| if (node instanceof AnnotationExpr || node instanceof AnnotationDeclaration) { |
| reporter.report(node, "Annotations are not supported."); |
| } |
| }); |
| protected final Validator noEnums = new SimpleValidator<>(EnumDeclaration.class, |
| n -> true, |
| (n, reporter) -> reporter.report(n, "Enumerations are not supported.") |
| ); |
| protected final Validator noVarargs = new SimpleValidator<>(Parameter.class, |
| Parameter::isVarArgs, |
| (n, reporter) -> reporter.report(n, "Varargs are not supported.") |
| ); |
| protected final Validator noForEach = new SimpleValidator<>(ForeachStmt.class, |
| n -> true, |
| (n, reporter) -> reporter.report(n, "For-each loops are not supported.") |
| ); |
| protected final Validator noStaticImports = new SimpleValidator<>(ImportDeclaration.class, |
| ImportDeclaration::isStatic, |
| (n, reporter) -> reporter.report(n, "Static imports are not supported.") |
| ); |
| protected final Validator noStringsInSwitch = new SimpleValidator<>(SwitchEntryStmt.class, |
| n -> n.getLabel().map(l -> l instanceof StringLiteralExpr).orElse(false), |
| (n, reporter) -> reporter.report(n.getLabel().get(), "Strings in switch statements are not supported.") |
| ); |
| protected final Validator noBinaryIntegerLiterals = new NoBinaryIntegerLiteralsValidator(); |
| protected final Validator noUnderscoresInIntegerLiterals = new NoUnderscoresInIntegerLiteralsValidator(); |
| protected final Validator noMultiCatch = new SimpleValidator<>(UnionType.class, |
| n -> true, |
| (n, reporter) -> reporter.report(n, "Multi-catch is not supported.") |
| ); |
| protected final Validator noLambdas = new SimpleValidator<>(LambdaExpr.class, |
| n -> true, |
| (n, reporter) -> reporter.report(n, "Lambdas are not supported.") |
| ); |
| protected final Validator noModules = new SimpleValidator<>(ModuleDeclaration.class, |
| n -> true, |
| (n, reporter) -> reporter.report(n, "Modules are not supported.") |
| ); |
| |
| public Java1_0Validator() { |
| super(new CommonValidators()); |
| add(modifiersWithoutStrictfpAndDefaultAndStaticInterfaceMethodsAndPrivateInterfaceMethods); |
| add(noAssertKeyword); |
| add(noInnerClasses); |
| add(noReflection); |
| add(noGenerics); |
| add(tryWithoutResources); |
| add(noAnnotations); |
| add(noEnums); |
| add(noVarargs); |
| add(noForEach); |
| add(noStaticImports); |
| add(noStringsInSwitch); |
| add(noBinaryIntegerLiterals); |
| add(noUnderscoresInIntegerLiterals); |
| add(noMultiCatch); |
| add(noLambdas); |
| add(noModules); |
| } |
| } |