Examples with AssignmentExpressionTree org.sonar.plugins.java.api.tree.AssignmentExpressionTree used on opensource projects

Example 1 with AssignmentExpressionTree

use of org.sonar.plugins.java.api.tree.AssignmentExpressionTree in project sonar-java by SonarSource.

the class AnnotationArgumentOrderCheck method visitNode.

@Override
public void visitNode(Tree tree) {
    AnnotationTree annotationTree = (AnnotationTree) tree;
    TypeSymbol annotationSymbol = annotationTree.symbolType().symbol();
    if (annotationSymbol.isUnknown()) {
        return;
    }
    List<String> declarationNames = new ArrayList<>();
    for (Symbol symbol : annotationSymbol.memberSymbols()) {
        declarationNames.add(symbol.name());
    }
    List<String> annotationArguments = new ArrayList<>();
    for (ExpressionTree argument : annotationTree.arguments()) {
        if (argument.is(Tree.Kind.ASSIGNMENT)) {
            AssignmentExpressionTree assignmentTree = (AssignmentExpressionTree) argument;
            IdentifierTree nameTree = (IdentifierTree) assignmentTree.variable();
            annotationArguments.add(nameTree.name());
        }
    }
    declarationNames.retainAll(annotationArguments);
    if (!declarationNames.equals(annotationArguments)) {
        reportIssue(annotationTree.annotationType(), "Reorder annotation arguments to match the order of declaration.");
    }
}

Example 2 with AssignmentExpressionTree

use of org.sonar.plugins.java.api.tree.AssignmentExpressionTree in project sonar-java by SonarSource.

the class CastArithmeticOperandCheck method visitAssignmentExpression.

@Override
public void visitAssignmentExpression(AssignmentExpressionTree aet) {
    if (aet.is(Tree.Kind.ASSIGNMENT)) {
        Type varType = aet.symbolType();
        ExpressionTree expr = aet.expression();
        checkExpression(varType, expr);
    }
    super.visitAssignmentExpression(aet);
}

Example 3 with AssignmentExpressionTree

use of org.sonar.plugins.java.api.tree.AssignmentExpressionTree in project sonar-java by SonarSource.

the class AssignmentInSubExpressionCheck method skipChainedAssignments.

private ExpressionTree skipChainedAssignments(ExpressionTree expressionTree) {
    ExpressionTree tree = ExpressionUtils.skipParentheses(expressionTree);
    while (tree instanceof AssignmentExpressionTree) {
        AssignmentExpressionTree assignmentExpressionTree = (AssignmentExpressionTree) tree;
        scan(assignmentExpressionTree.variable());
        tree = ExpressionUtils.skipParentheses(assignmentExpressionTree.expression());
    }
    return tree;
}

Example 4 with AssignmentExpressionTree

use of org.sonar.plugins.java.api.tree.AssignmentExpressionTree in project sonar-java by SonarSource.

the class ExpressionUtilsTest method test_simple_assignments.

@Test
public void test_simple_assignments() throws Exception {
    File file = new File("src/test/java/org/sonar/java/model/ExpressionUtilsTest.java");
    CompilationUnitTree tree = (CompilationUnitTree) JavaParser.createParser().parse(file);
    MethodTree methodTree = (MethodTree) ((ClassTree) tree.types().get(0)).members().get(1);
    List<AssignmentExpressionTree> assignments = findAssignmentExpressionTrees(methodTree);
    assertThat(assignments).hasSize(4);
    assertThat(ExpressionUtils.isSimpleAssignment(assignments.get(0))).isTrue();
    assertThat(ExpressionUtils.isSimpleAssignment(assignments.get(1))).isTrue();
    assertThat(ExpressionUtils.isSimpleAssignment(assignments.get(2))).isFalse();
    assertThat(ExpressionUtils.isSimpleAssignment(assignments.get(3))).isFalse();
}

Example 5 with AssignmentExpressionTree

use of org.sonar.plugins.java.api.tree.AssignmentExpressionTree in project sonar-java by SonarSource.

the class ReassignmentFinder method getClosestReassignmentOrDeclarationExpression.

@CheckForNull
public static ExpressionTree getClosestReassignmentOrDeclarationExpression(Tree startingPoint, Symbol referenceSymbol) {
    Tree result = referenceSymbol.declaration();
    List<IdentifierTree> usages = referenceSymbol.usages();
    if (usages.size() != 1) {
        List<AssignmentExpressionTree> reassignments = getReassignments(referenceSymbol.owner().declaration(), usages);
        SyntaxToken startPointToken = startingPoint.firstToken();
        Tree lastReassignment = getClosestReassignment(startPointToken, reassignments);
        if (lastReassignment != null) {
            result = lastReassignment;
        }
    }
    ExpressionTree initializerOrExpression = getInitializerOrExpression(result);
    if (initializerOrExpression == startingPoint) {
        return getClosestReassignmentOrDeclarationExpression(result, referenceSymbol);
    }
    return initializerOrExpression;
}