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

Example 26 with AssignmentExpressionTree

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

the class CollectionMethodsWithLinearComplexityCheck method usageInAssignment.

private static Stream<AssignmentExpressionTree> usageInAssignment(IdentifierTree usage) {
    Tree prevParent = usage;
    Tree parent = usage.parent();
    while (parent != null && !parent.is(Tree.Kind.ASSIGNMENT) && parent.is(Tree.Kind.MEMBER_SELECT, Tree.Kind.IDENTIFIER)) {
        prevParent = parent;
        parent = parent.parent();
    }
    if (parent != null && parent.is(Tree.Kind.ASSIGNMENT)) {
        AssignmentExpressionTree assignment = (AssignmentExpressionTree) parent;
        if (assignment.variable().equals(prevParent)) {
            return Stream.of(assignment);
        }
    }
    return Stream.empty();
}

Example 27 with AssignmentExpressionTree

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

the class OperatorPrecedenceCheck method visitAnnotation.

@Override
public void visitAnnotation(AnnotationTree tree) {
    stack.push(null);
    for (ExpressionTree argument : tree.arguments()) {
        if (argument.is(Tree.Kind.ASSIGNMENT)) {
            scan(((AssignmentExpressionTree) argument).expression());
        } else {
            scan(argument);
        }
    }
    stack.pop();
}

Example 28 with AssignmentExpressionTree

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

the class OperatorPrecedenceCheck method visitIfStatement.

@Override
public void visitIfStatement(IfStatementTree tree) {
    super.visitIfStatement(tree);
    ExpressionTree condition = tree.condition();
    if (condition.is(Tree.Kind.ASSIGNMENT) && EQUALITY_RELATIONAL_OPERATORS.contains(((AssignmentExpressionTree) condition).expression().kind())) {
        raiseIssue(((AssignmentExpressionTree) condition).operatorToken().line(), tree);
    }
}

Example 29 with AssignmentExpressionTree

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

the class LiveVariables method processBlockElements.

private void processBlockElements(CFG.Block block, Set<Symbol> blockKill, Set<Symbol> blockGen) {
    // process elements from bottom to top
    Set<Tree> assignmentLHS = new HashSet<>();
    for (Tree element : Lists.reverse(block.elements())) {
        switch(element.kind()) {
            case ASSIGNMENT:
                processAssignment((AssignmentExpressionTree) element, blockKill, blockGen, assignmentLHS);
                break;
            case IDENTIFIER:
                processIdentifier((IdentifierTree) element, blockGen, assignmentLHS);
                break;
            case MEMBER_SELECT:
                processMemberSelect((MemberSelectExpressionTree) element, assignmentLHS, blockGen);
                break;
            case VARIABLE:
                blockKill.add(((VariableTree) element).symbol());
                blockGen.remove(((VariableTree) element).symbol());
                break;
            case LAMBDA_EXPRESSION:
                blockGen.addAll(getUsedVariables(((LambdaExpressionTree) element).body(), cfg.methodSymbol()));
                break;
            case METHOD_REFERENCE:
                blockGen.addAll(getUsedVariables(((MethodReferenceTree) element).expression(), cfg.methodSymbol()));
                break;
            case NEW_CLASS:
                blockGen.addAll(getUsedVariables(((NewClassTree) element).classBody(), cfg.methodSymbol()));
                break;
            default:
        }
    }
}

Example 30 with AssignmentExpressionTree

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

the class LiveVariables method processAssignment.

private void processAssignment(AssignmentExpressionTree element, Set<Symbol> blockKill, Set<Symbol> blockGen, Set<Tree> assignmentLHS) {
    Symbol symbol = null;
    ExpressionTree lhs = element.variable();
    if (lhs.is(Kind.IDENTIFIER)) {
        symbol = ((IdentifierTree) lhs).symbol();
    } else if (includeFields && lhs.is(Kind.MEMBER_SELECT)) {
        symbol = getField((MemberSelectExpressionTree) lhs);
    }
    if (symbol != null && includeSymbol(symbol)) {
        assignmentLHS.add(lhs);
        blockGen.remove(symbol);
        blockKill.add(symbol);
    }
}