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

Example 26 with ExpressionTree

use of org.sonar.plugins.java.api.tree.ExpressionTree 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;
}

Example 27 with ExpressionTree

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

the class UselessIncrementCheck method visitNode.

@Override
public void visitNode(Tree tree) {
    if (!hasSemantic()) {
        return;
    }
    if (tree.is(Tree.Kind.RETURN_STATEMENT)) {
        ExpressionTree returnExpression = ((ReturnStatementTree) tree).expression();
        if (returnExpression != null && isPostfix(returnExpression)) {
            UnaryExpressionTree unaryExpression = (UnaryExpressionTree) returnExpression;
            ExpressionTree expression = ExpressionUtils.skipParentheses(unaryExpression.expression());
            if (expression.is(Tree.Kind.IDENTIFIER) && ((IdentifierTree) expression).symbol().owner().isMethodSymbol()) {
                reportIssue(unaryExpression);
            }
        }
    } else {
        AssignmentExpressionTree aet = (AssignmentExpressionTree) tree;
        if (isPostfix(aet.expression())) {
            UnaryExpressionTree postfix = (UnaryExpressionTree) aet.expression();
            if (SyntacticEquivalence.areEquivalent(aet.variable(), postfix.expression())) {
                reportIssue(postfix);
            }
        }
    }
}

Example 28 with ExpressionTree

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

the class SerializableFieldInSerializableClassCheck method checkCollectionAssignments.

private void checkCollectionAssignments(List<IdentifierTree> usages) {
    for (IdentifierTree usage : usages) {
        Tree parentTree = usage.parent();
        if (parentTree.is(Tree.Kind.ASSIGNMENT)) {
            AssignmentExpressionTree assignment = (AssignmentExpressionTree) parentTree;
            ExpressionTree expression = assignment.expression();
            if (usage.equals(assignment.variable()) && !expression.is(Tree.Kind.NULL_LITERAL) && isUnserializableCollection(expression.symbolType())) {
                reportIssue(usage);
            }
        }
    }
}

Example 29 with ExpressionTree

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

the class ExplodedGraphWalker method executeLogicalAssignment.

private void executeLogicalAssignment(AssignmentExpressionTree tree) {
    ExpressionTree variable = tree.variable();
    // FIXME handle also assignments with this SONARJAVA-2242
    if (variable.is(Tree.Kind.IDENTIFIER)) {
        ProgramState.Pop unstack = programState.unstackValue(2);
        ProgramState.SymbolicValueSymbol assignedTo = unstack.valuesAndSymbols.get(1);
        ProgramState.SymbolicValueSymbol value = unstack.valuesAndSymbols.get(0);
        programState = unstack.state;
        SymbolicValue symbolicValue = constraintManager.createBinarySymbolicValue(tree, ImmutableList.of(assignedTo, value));
        Symbol symbol = ((IdentifierTree) variable).symbol();
        programState = programState.stackValue(symbolicValue, symbol);
        programState = programState.put(symbol, symbolicValue);
    }
}

Example 30 with ExpressionTree

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

the class TypeAndReferenceSolver method addConstantValue.

private static void addConstantValue(AnnotationTree tree, AnnotationInstanceResolve annotationInstance) {
    Collection<Symbol> scopeSymbols = tree.annotationType().symbolType().symbol().memberSymbols();
    for (ExpressionTree expressionTree : tree.arguments()) {
        String name = "";
        for (Symbol scopeSymbol : scopeSymbols) {
            if (scopeSymbol.isMethodSymbol()) {
                name = scopeSymbol.name();
                break;
            }
        }
        annotationInstance.addValue(new AnnotationValueResolve(name, expressionTree));
    }
}