Examples with ASTArgumentList net.sourceforge.pmd.lang.java.ast.ASTArgumentList used on opensource projects

Example 11 with ASTArgumentList

use of net.sourceforge.pmd.lang.java.ast.ASTArgumentList in project pmd by pmd.

the class CloseResourceRule method variableIsPassedToMethod.

private boolean variableIsPassedToMethod(ASTPrimaryExpression expr, String variable) {
    List<ASTName> methodParams = new ArrayList<>();
    expr.findDescendantsOfType(ASTName.class, methodParams, true);
    for (ASTName pName : methodParams) {
        String paramName = pName.getImage();
        // also check if we've got the a parameter (i.e if it's an argument
        // !)
        ASTArgumentList parentParam = pName.getFirstParentOfType(ASTArgumentList.class);
        if (paramName.equals(variable) && parentParam != null) {
            return true;
        }
    }
    return false;
}

Example 12 with ASTArgumentList

use of net.sourceforge.pmd.lang.java.ast.ASTArgumentList in project pmd by pmd.

the class PreserveStackTraceRule method visit.

@Override
public Object visit(ASTCatchStatement catchStmt, Object data) {
    String target = catchStmt.jjtGetChild(0).findChildrenOfType(ASTVariableDeclaratorId.class).get(0).getImage();
    // Inspect all the throw stmt inside the catch stmt
    List<ASTThrowStatement> lstThrowStatements = catchStmt.findDescendantsOfType(ASTThrowStatement.class);
    for (ASTThrowStatement throwStatement : lstThrowStatements) {
        Node n = throwStatement.jjtGetChild(0).jjtGetChild(0);
        if (n instanceof ASTCastExpression) {
            ASTPrimaryExpression expr = (ASTPrimaryExpression) n.jjtGetChild(1);
            if (expr.jjtGetNumChildren() > 1 && expr.jjtGetChild(1) instanceof ASTPrimaryPrefix) {
                RuleContext ctx = (RuleContext) data;
                addViolation(ctx, throwStatement);
            }
            continue;
        }
        // Retrieve all argument for the throw exception (to see if the
        // original exception is preserved)
        ASTArgumentList args = throwStatement.getFirstDescendantOfType(ASTArgumentList.class);
        if (args != null) {
            Node parent = args.jjtGetParent().jjtGetParent();
            if (parent instanceof ASTAllocationExpression) {
                // maybe it is used inside a anonymous class
                ck(data, target, throwStatement, parent);
            } else {
                // Check all arguments used in the throw statement
                ck(data, target, throwStatement, throwStatement);
            }
        } else {
            Node child = throwStatement.jjtGetChild(0);
            while (child != null && child.jjtGetNumChildren() > 0 && !(child instanceof ASTName)) {
                child = child.jjtGetChild(0);
            }
            if (child != null) {
                if (child instanceof ASTName && !target.equals(child.getImage()) && !child.hasImageEqualTo(target + FILL_IN_STACKTRACE)) {
                    Map<VariableNameDeclaration, List<NameOccurrence>> vars = ((ASTName) child).getScope().getDeclarations(VariableNameDeclaration.class);
                    for (Map.Entry<VariableNameDeclaration, List<NameOccurrence>> entry : vars.entrySet()) {
                        VariableNameDeclaration decl = entry.getKey();
                        List<NameOccurrence> occurrences = entry.getValue();
                        if (decl.getImage().equals(child.getImage())) {
                            if (!isInitCauseCalled(target, occurrences)) {
                                // Check how the variable is initialized
                                ASTVariableInitializer initializer = decl.getNode().jjtGetParent().getFirstDescendantOfType(ASTVariableInitializer.class);
                                if (initializer != null) {
                                    args = initializer.getFirstDescendantOfType(ASTArgumentList.class);
                                    if (args != null) {
                                        // constructor with args?
                                        ck(data, target, throwStatement, args);
                                    } else if (!isFillInStackTraceCalled(target, initializer)) {
                                        addViolation(data, throwStatement);
                                    }
                                }
                            }
                        }
                    }
                } else if (child instanceof ASTClassOrInterfaceType) {
                    addViolation(data, throwStatement);
                }
            }
        }
    }
    return super.visit(catchStmt, data);
}

Example 13 with ASTArgumentList

use of net.sourceforge.pmd.lang.java.ast.ASTArgumentList in project pmd by pmd.

the class ClassTypeResolverTest method testMethodParameterization.

@Test
public void testMethodParameterization() throws JaxenException, NoSuchMethodException {
    ASTCompilationUnit acu = parseAndTypeResolveForClass15(GenericMethodsImplicit.class);
    List<AbstractJavaNode> expressions = convertList(acu.findChildNodesWithXPath("//ArgumentList"), AbstractJavaNode.class);
    JavaTypeDefinition context = forClass(GenericMethodsImplicit.class, forClass(Thread.class));
    Method method = GenericMethodsImplicit.class.getMethod("bar", Object.class, Object.class, Integer.class, Object.class);
    ASTArgumentList argList = (ASTArgumentList) expressions.get(0);
    MethodType inferedMethod = MethodTypeResolution.parameterizeInvocation(context, method, argList);
    assertEquals(inferedMethod.getParameterTypes().get(0), forClass(SuperClassA2.class));
    assertEquals(inferedMethod.getParameterTypes().get(1), forClass(SuperClassA2.class));
    assertEquals(inferedMethod.getParameterTypes().get(2), forClass(Integer.class));
    assertEquals(inferedMethod.getParameterTypes().get(3), forClass(SuperClassAOther2.class));
}

Example 14 with ASTArgumentList

use of net.sourceforge.pmd.lang.java.ast.ASTArgumentList in project pmd by pmd.

the class ClassTypeResolverTest method testMethodInitialConstraints.

@Test
public void testMethodInitialConstraints() throws NoSuchMethodException, JaxenException {
    ASTCompilationUnit acu = parseAndTypeResolveForClass15(GenericMethodsImplicit.class);
    List<AbstractJavaNode> expressions = convertList(acu.findChildNodesWithXPath("//ArgumentList"), AbstractJavaNode.class);
    List<Variable> variables = new ArrayList<>();
    for (int i = 0; i < 2; ++i) {
        variables.add(new Variable());
    }
    Method method = GenericMethodsImplicit.class.getMethod("bar", Object.class, Object.class, Integer.class, Object.class);
    ASTArgumentList argList = (ASTArgumentList) expressions.get(0);
    List<Constraint> constraints = MethodTypeResolution.produceInitialConstraints(method, argList, variables);
    assertEquals(constraints.size(), 3);
    // A
    assertTrue(constraints.contains(new Constraint(forClass(SuperClassA.class), variables.get(0), LOOSE_INVOCATION)));
    assertTrue(constraints.contains(new Constraint(forClass(SuperClassAOther.class), variables.get(0), LOOSE_INVOCATION)));
    // B
    assertTrue(constraints.contains(new Constraint(forClass(SuperClassAOther2.class), variables.get(1), LOOSE_INVOCATION)));
}