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

Example 11 with VariableTree

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

the class SymbolTableTest method parameterized_method_type.

@Test
public void parameterized_method_type() throws Exception {
    Result result = Result.createFor("Generics");
    MethodTree method3 = (MethodTree) result.symbol("method3").declaration();
    VariableTree variable = (VariableTree) method3.block().body().get(0);
    assertThat(variable.initializer().symbolType().symbol().name()).isEqualTo("String");
    MethodTree method4 = (MethodTree) result.symbol("method4").declaration();
    variable = (VariableTree) method4.block().body().get(0);
    Type symbolType = variable.initializer().symbolType();
    assertThat(symbolType).isInstanceOf(ParametrizedTypeJavaType.class);
    ParametrizedTypeJavaType ptt = (ParametrizedTypeJavaType) symbolType;
    assertThat(ptt.typeSubstitution.substitutedTypes().iterator().next().getSymbol().getName()).isEqualTo("String");
    assertThat(result.reference(58, 25)).isSameAs(result.symbol("method_of_e"));
}

Example 12 with VariableTree

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

the class TypeAndReferenceSolverTest method identifier_of_variable_symbol.

@Test
public void identifier_of_variable_symbol() {
    CompilationUnitTree compilationUnit = treeOf("class A { Object field; }");
    ClassTreeImpl clazz = (ClassTreeImpl) compilationUnit.types().get(0);
    VariableTree variable = (VariableTree) clazz.members().get(0);
    assertThat(variable.symbol().isUnknown()).isFalse();
    assertThat(variable.symbol().usages()).isEmpty();
    assertThat(variable.simpleName().symbol().isUnknown()).isFalse();
    assertThat(variable.simpleName().symbol()).isEqualTo(variable.symbol());
}

Example 13 with VariableTree

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

the class UnusedLocalVariableCheck method checkVariableUsages.

private void checkVariableUsages() {
    for (VariableTree variableTree : variables) {
        Symbol symbol = variableTree.symbol();
        if (symbol.usages().size() == assignments.get(symbol).size()) {
            IdentifierTree simpleName = variableTree.simpleName();
            reportIssue(simpleName, "Remove this unused \"" + simpleName + "\" local variable.");
        }
    }
}

Example 14 with VariableTree

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

the class UnusedMethodParameterCheck method visitNode.

@Override
public void visitNode(Tree tree) {
    if (!hasSemantic()) {
        return;
    }
    MethodTree methodTree = (MethodTree) tree;
    if (methodTree.block() == null || isExcluded(methodTree)) {
        return;
    }
    Set<String> documentedParameters = documentedParameters(methodTree);
    boolean overridableMethod = overridableMethod(methodTree.symbol());
    List<IdentifierTree> unused = Lists.newArrayList();
    for (VariableTree var : methodTree.parameters()) {
        Symbol symbol = var.symbol();
        if (symbol.usages().isEmpty() && !symbol.metadata().isAnnotatedWith(AUTHORIZED_ANNOTATION) && !isStrutsActionParameter(var) && (!overridableMethod || !documentedParameters.contains(symbol.name()))) {
            unused.add(var.simpleName());
        }
    }
    Set<String> unresolvedIdentifierNames = unresolvedIdentifierNames(methodTree.block());
    // kill the noise regarding unresolved identifiers, and remove the one with matching names from the list of unused
    unused = unused.stream().filter(id -> !unresolvedIdentifierNames.contains(id.name())).collect(Collectors.toList());
    if (!unused.isEmpty()) {
        reportUnusedParameters(unused);
    }
}

Example 15 with VariableTree

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

the class BadConstantNameCheck method visitNode.

@Override
public void visitNode(Tree tree) {
    ClassTree classTree = (ClassTree) tree;
    for (Tree member : classTree.members()) {
        if (member.is(Tree.Kind.VARIABLE) && hasSemantic()) {
            VariableTree variableTree = (VariableTree) member;
            Type symbolType = variableTree.type().symbolType();
            if (isConstantType(symbolType) && (classTree.is(Tree.Kind.INTERFACE, Tree.Kind.ANNOTATION_TYPE) || isStaticFinal(variableTree))) {
                checkName(variableTree);
            }
        } else if (member.is(Tree.Kind.ENUM_CONSTANT)) {
            checkName((VariableTree) member);
        }
    }
}