Examples with BlockStatement org.codehaus.groovy.ast.stmt.BlockStatement used on opensource projects

Example 76 with BlockStatement

use of org.codehaus.groovy.ast.stmt.BlockStatement in project groovy-core by groovy.

the class JavaStubGenerator method printClassContents.

private void printClassContents(PrintWriter out, ClassNode classNode) throws FileNotFoundException {
    if (classNode instanceof InnerClassNode && ((InnerClassNode) classNode).isAnonymous()) {
        // if it is an anonymous inner class, don't generate the stub code for it.
        return;
    }
    try {
        Verifier verifier = new Verifier() {

            @Override
            public void visitClass(final ClassNode node) {
                List<Statement> savedStatements = new ArrayList<Statement>(node.getObjectInitializerStatements());
                super.visitClass(node);
                node.getObjectInitializerStatements().addAll(savedStatements);
            }

            @Override
            protected FinalVariableAnalyzer.VariableNotFinalCallback getFinalVariablesCallback() {
                return null;
            }

            public void addCovariantMethods(ClassNode cn) {
            }

            protected void addTimeStamp(ClassNode node) {
            }

            protected void addInitialization(ClassNode node) {
            }

            protected void addPropertyMethod(MethodNode method) {
                doAddMethod(method);
            }

            protected void addReturnIfNeeded(MethodNode node) {
            }

            protected void addMethod(ClassNode node, boolean shouldBeSynthetic, String name, int modifiers, ClassNode returnType, Parameter[] parameters, ClassNode[] exceptions, Statement code) {
                doAddMethod(new MethodNode(name, modifiers, returnType, parameters, exceptions, code));
            }

            protected void addConstructor(Parameter[] newParams, ConstructorNode ctor, Statement code, ClassNode node) {
                if (code instanceof ExpressionStatement) {
                    // GROOVY-4508
                    Statement temp = code;
                    code = new BlockStatement();
                    ((BlockStatement) code).addStatement(temp);
                }
                ConstructorNode ctrNode = new ConstructorNode(ctor.getModifiers(), newParams, ctor.getExceptions(), code);
                ctrNode.setDeclaringClass(node);
                constructors.add(ctrNode);
            }

            protected void addDefaultParameters(DefaultArgsAction action, MethodNode method) {
                final Parameter[] parameters = method.getParameters();
                final Expression[] saved = new Expression[parameters.length];
                for (int i = 0; i < parameters.length; i++) {
                    if (parameters[i].hasInitialExpression())
                        saved[i] = parameters[i].getInitialExpression();
                }
                super.addDefaultParameters(action, method);
                for (int i = 0; i < parameters.length; i++) {
                    if (saved[i] != null)
                        parameters[i].setInitialExpression(saved[i]);
                }
            }

            private void doAddMethod(MethodNode method) {
                String sig = method.getTypeDescriptor();
                if (propertyMethodsWithSigs.containsKey(sig))
                    return;
                propertyMethods.add(method);
                propertyMethodsWithSigs.put(sig, method);
            }

            @Override
            protected void addDefaultConstructor(ClassNode node) {
            // not required for stub generation
            }
        };
        verifier.visitClass(classNode);
        currentModule = classNode.getModule();
        boolean isInterface = isInterfaceOrTrait(classNode);
        boolean isEnum = (classNode.getModifiers() & Opcodes.ACC_ENUM) != 0;
        boolean isAnnotationDefinition = classNode.isAnnotationDefinition();
        printAnnotations(out, classNode);
        printModifiers(out, classNode.getModifiers() & ~(isInterface ? Opcodes.ACC_ABSTRACT : 0) & ~(isEnum ? Opcodes.ACC_FINAL : 0));
        if (isInterface) {
            if (isAnnotationDefinition) {
                out.print("@");
            }
            out.print("interface ");
        } else if (isEnum) {
            out.print("enum ");
        } else {
            out.print("class ");
        }
        String className = classNode.getNameWithoutPackage();
        if (classNode instanceof InnerClassNode)
            className = className.substring(className.lastIndexOf("$") + 1);
        out.println(className);
        printGenericsBounds(out, classNode, true);
        ClassNode superClass = classNode.getUnresolvedSuperClass(false);
        if (!isInterface && !isEnum) {
            out.print("  extends ");
            printType(out, superClass);
        }
        ClassNode[] interfaces = classNode.getInterfaces();
        if (interfaces != null && interfaces.length > 0 && !isAnnotationDefinition) {
            if (isInterface) {
                out.println("  extends");
            } else {
                out.println("  implements");
            }
            for (int i = 0; i < interfaces.length - 1; ++i) {
                out.print("    ");
                printType(out, interfaces[i]);
                out.print(",");
            }
            out.print("    ");
            printType(out, interfaces[interfaces.length - 1]);
        }
        out.println(" {");
        printFields(out, classNode);
        printMethods(out, classNode, isEnum);
        for (Iterator<InnerClassNode> inner = classNode.getInnerClasses(); inner.hasNext(); ) {
            // GROOVY-4004: Clear the methods from the outer class so that they don't get duplicated in inner ones
            propertyMethods.clear();
            propertyMethodsWithSigs.clear();
            constructors.clear();
            printClassContents(out, inner.next());
        }
        out.println("}");
    } finally {
        propertyMethods.clear();
        propertyMethodsWithSigs.clear();
        constructors.clear();
        currentModule = null;
    }
}

Example 77 with BlockStatement

use of org.codehaus.groovy.ast.stmt.BlockStatement in project groovy-core by groovy.

the class JavaAwareResolveVisitor method getConstructorCall.

private static Expression getConstructorCall(Statement code) {
    if (code == null)
        return null;
    if (code instanceof BlockStatement) {
        BlockStatement bs = (BlockStatement) code;
        if (bs.isEmpty())
            return null;
        return getConstructorCall(bs.getStatements().get(0));
    }
    if (!(code instanceof ExpressionStatement))
        return null;
    ExpressionStatement es = (ExpressionStatement) code;
    Expression exp = es.getExpression();
    if (!(exp instanceof ConstructorCallExpression))
        return null;
    ConstructorCallExpression cce = (ConstructorCallExpression) exp;
    if (!cce.isSpecialCall())
        return null;
    return cce;
}

Example 78 with BlockStatement

use of org.codehaus.groovy.ast.stmt.BlockStatement in project groovy-core by groovy.

the class AutoCloneASTTransformation method createClone.

private void createClone(ClassNode cNode, List<FieldNode> fieldNodes, List<String> excludes) {
    final BlockStatement body = new BlockStatement();
    final Expression result = varX("_result", cNode);
    body.addStatement(declS(result, castX(cNode, callSuperX("clone"))));
    for (FieldNode fieldNode : fieldNodes) {
        if (excludes.contains(fieldNode.getName()))
            continue;
        ClassNode fieldType = fieldNode.getType();
        Expression fieldExpr = varX(fieldNode);
        Expression to = propX(result, fieldNode.getName());
        Statement doClone = assignS(to, castX(fieldType, callCloneDirectX(fieldExpr)));
        Statement doCloneDynamic = assignS(to, castX(fieldType, callCloneDynamicX(fieldExpr)));
        if (isCloneableType(fieldType)) {
            body.addStatement(doClone);
        } else if (possiblyCloneable(fieldType)) {
            body.addStatement(ifS(isInstanceOfX(fieldExpr, CLONEABLE_TYPE), doCloneDynamic));
        }
    }
    body.addStatement(returnS(result));
    ClassNode[] exceptions = { make(CloneNotSupportedException.class) };
    cNode.addMethod("clone", ACC_PUBLIC, GenericsUtils.nonGeneric(cNode), Parameter.EMPTY_ARRAY, exceptions, body);
}

Example 79 with BlockStatement

use of org.codehaus.groovy.ast.stmt.BlockStatement in project groovy-core by groovy.

the class AutoCloneASTTransformation method createCloneCopyConstructor.

private void createCloneCopyConstructor(ClassNode cNode, List<FieldNode> list, List<String> excludes) {
    if (cNode.getDeclaredConstructors().size() == 0) {
        // add no-arg constructor
        BlockStatement noArgBody = new BlockStatement();
        noArgBody.addStatement(EmptyStatement.INSTANCE);
        cNode.addConstructor(ACC_PUBLIC, Parameter.EMPTY_ARRAY, ClassNode.EMPTY_ARRAY, noArgBody);
    }
    boolean hasThisCons = false;
    for (ConstructorNode consNode : cNode.getDeclaredConstructors()) {
        Parameter[] parameters = consNode.getParameters();
        if (parameters.length == 1 && parameters[0].getType().equals(cNode)) {
            hasThisCons = true;
        }
    }
    if (!hasThisCons) {
        BlockStatement initBody = new BlockStatement();
        Parameter initParam = param(GenericsUtils.nonGeneric(cNode), "other");
        final Expression other = varX(initParam);
        boolean hasParent = cNode.getSuperClass() != ClassHelper.OBJECT_TYPE;
        if (hasParent) {
            initBody.addStatement(stmt(ctorX(ClassNode.SUPER, other)));
        }
        for (FieldNode fieldNode : list) {
            String name = fieldNode.getName();
            if (excludes.contains(name))
                continue;
            ClassNode fieldType = fieldNode.getType();
            Expression direct = propX(other, name);
            Expression to = propX(varX("this"), name);
            Statement assignDirect = assignS(to, direct);
            Statement assignCloned = assignS(to, castX(fieldType, callCloneDirectX(direct)));
            Statement assignClonedDynamic = assignS(to, castX(fieldType, callCloneDynamicX(direct)));
            if (isCloneableType(fieldType)) {
                initBody.addStatement(assignCloned);
            } else if (!possiblyCloneable(fieldType)) {
                initBody.addStatement(assignDirect);
            } else {
                initBody.addStatement(ifElseS(isInstanceOfX(direct, CLONEABLE_TYPE), assignClonedDynamic, assignDirect));
            }
        }
        cNode.addConstructor(ACC_PROTECTED, params(initParam), ClassNode.EMPTY_ARRAY, initBody);
    }
    ClassNode[] exceptions = { make(CloneNotSupportedException.class) };
    cNode.addMethod("clone", ACC_PUBLIC, GenericsUtils.nonGeneric(cNode), Parameter.EMPTY_ARRAY, exceptions, block(stmt(ctorX(cNode, args(varX("this"))))));
}

Example 80 with BlockStatement

use of org.codehaus.groovy.ast.stmt.BlockStatement in project groovy-core by groovy.

the class StatementWriter method writeBlockStatement.

public void writeBlockStatement(BlockStatement block) {
    CompileStack compileStack = controller.getCompileStack();
    // GROOVY-4505 use no line number information for the block
    writeStatementLabel(block);
    int mark = controller.getOperandStack().getStackLength();
    compileStack.pushVariableScope(block.getVariableScope());
    for (Statement statement : block.getStatements()) {
        statement.visit(controller.getAcg());
    }
    compileStack.pop();
    controller.getOperandStack().popDownTo(mark);
}