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

Example 56 with VariableTree

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

the class NonNullSetToNullCheck method checkEndOfExecutionPath.

@Override
public void checkEndOfExecutionPath(CheckerContext context, ConstraintManager constraintManager) {
    if (methodTree.is(Tree.Kind.CONSTRUCTOR) && !isDefaultConstructorForJpa(methodTree) && !callsThisConstructor(methodTree) && !exitingWithException(context)) {
        ClassTree classTree = (ClassTree) methodTree.parent();
        classTree.members().stream().filter(m -> m.is(Tree.Kind.VARIABLE)).map(m -> (VariableTree) m).filter(v -> v.initializer() == null).forEach(v -> checkVariable(context, methodTree, v.symbol()));
    }
}

Example 57 with VariableTree

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

the class ArrayDesignatorOnVariableCheck method visitNode.

@Override
public void visitNode(Tree tree) {
    VariableTree variableTree = (VariableTree) tree;
    TypeTree type = variableTree.type();
    SyntaxToken identifierToken = variableTree.simpleName().identifierToken();
    while (type.is(Tree.Kind.ARRAY_TYPE)) {
        ArrayTypeTree arrayTypeTree = (ArrayTypeTree) type;
        SyntaxToken arrayDesignatorToken = arrayTypeTree.ellipsisToken();
        if (arrayDesignatorToken == null) {
            arrayDesignatorToken = arrayTypeTree.openBracketToken();
        }
        if (isInvalidPosition(arrayDesignatorToken, identifierToken)) {
            reportIssue(arrayDesignatorToken, "Move the array designator from the variable to the type.");
            break;
        }
        type = arrayTypeTree.type();
    }
}

Example 58 with VariableTree

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

the class MembersDifferOnlyByCapitalizationCheck method visitNode.

@Override
public void visitNode(Tree tree) {
    if (!hasSemantic()) {
        return;
    }
    ClassTree classTree = (ClassTree) tree;
    List<Symbol> allMembers = retrieveMembers(classTree.symbol());
    Multimap<String, Symbol> membersByName = sortByName(allMembers);
    for (Tree member : classTree.members()) {
        if (member.is(Tree.Kind.METHOD)) {
            MethodTree methodTree = (MethodTree) member;
            checkForIssue(methodTree.symbol(), methodTree.simpleName(), membersByName);
        } else if (member.is(Tree.Kind.VARIABLE)) {
            VariableTree variableTree = (VariableTree) member;
            checkForIssue(variableTree.symbol(), variableTree.simpleName(), membersByName);
        }
    }
}

Example 59 with VariableTree

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

the class ParameterReassignedToCheck method visitMethod.

@Override
public void visitMethod(MethodTree tree) {
    BlockTree block = tree.block();
    if (block == null) {
        return;
    }
    CFG cfg = CFG.build(tree);
    LiveVariables analyze = LiveVariables.analyze(cfg);
    Set<Symbol> live = analyze.getIn(cfg.entry());
    for (VariableTree parameterTree : tree.parameters()) {
        if (!live.contains(parameterTree.symbol())) {
            variables.add(parameterTree.symbol());
        }
    }
    super.visitMethod(tree);
    for (VariableTree parameterTree : tree.parameters()) {
        if (!live.contains(parameterTree.symbol())) {
            variables.remove(parameterTree.symbol());
        }
    }
}

Example 60 with VariableTree

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

the class LambdaTypeParameterCheck method visitNode.

@Override
public void visitNode(Tree tree) {
    LambdaExpressionTree lambdaExpressionTree = (LambdaExpressionTree) tree;
    List<VariableTree> parameters = lambdaExpressionTree.parameters();
    if (parameters.size() <= 2 && !lambdaExpressionTree.body().is(Tree.Kind.BLOCK)) {
        // ignore lambdas with one or two params and a non-block body
        return;
    }
    String missingTypeParameters = parameters.stream().filter(variable -> variable.type().is(Tree.Kind.INFERED_TYPE)).map(VariableTree::simpleName).map(IdentifierTree::name).map(parameterName -> "'" + parameterName + "'").collect(Collectors.joining(", "));
    if (!missingTypeParameters.isEmpty()) {
        reportIssue(parameters.get(0), Iterables.getLast(parameters), String.format("Specify a type for: %s", missingTypeParameters));
    }
}