Examples with UastNode org.sonar.uast.UastNode used on opensource projects

Example 1 with UastNode

use of org.sonar.uast.UastNode in project sonar-go by SonarSource.

the class LiteralLikeTest method literal_nested_as_only_child.

@Test
void literal_nested_as_only_child() throws Exception {
    UastNode literal = Uast.from(new StringReader("{ \"kinds\": [], " + "\"children\": [{ \"kinds\": [\"LITERAL\"], \"token\": {\"value\": \"foo\" , \"line\": 1, \"column\": 1 } }]" + "}"));
    LiteralLike literalLike = LiteralLike.from(literal);
    assertThat(literalLike).isNotNull();
    assertThat(literalLike.value()).isEqualTo("foo");
}

Example 2 with UastNode

use of org.sonar.uast.UastNode in project sonar-go by SonarSource.

the class UastGeneratorWrapper method createUast.

UastNode createUast(InputStream source) throws IOException, InterruptedException {
    Process process = processBuilder.start();
    errorConsumer.consumeStream(process.getErrorStream(), LOG::debug);
    try (OutputStream out = process.getOutputStream();
        InputStream in = process.getInputStream()) {
        copy(source, process.getOutputStream());
        out.close();
        UastNode uastNode = Uast.from(new InputStreamReader(in, StandardCharsets.UTF_8));
        boolean exited = process.waitFor(5, TimeUnit.SECONDS);
        if (exited && process.exitValue() != 0) {
            throw new IllegalStateException("Parser returned non-zero exit value: " + process.exitValue());
        }
        if (process.isAlive()) {
            process.destroyForcibly();
            throw new IllegalStateException("Took too long to parse. External process killed forcibly");
        }
        return uastNode;
    }
}

Example 3 with UastNode

use of org.sonar.uast.UastNode in project sonar-go by SonarSource.

the class CpdVisitorTest method test.

@Test
void test() throws IOException {
    String filename = "lets.go";
    String code = readTestResource(getClass(), filename);
    String codeJson = readTestResource(getClass(), filename + ".uast.json");
    InputFile inputFile = createInputFile("lets.go", code);
    sensorContext.fileSystem().add(inputFile);
    CpdVisitor cpdVisitor = new CpdVisitor(sensorContext, inputFile);
    UastNode node = Uast.from(new StringReader(codeJson));
    cpdVisitor.scan(node);
    cpdVisitor.save();
    List<TokensLine> tokensLines = sensorContext.cpdTokens("module:" + inputFile.filename());
    assertThat(tokensLines).isNotNull().hasSize(5);
    assertThat(tokensLines).extracting("value").isEqualTo(Arrays.asList("packagemain", "funcfun()string{", "a:=LITERAL", "returna", "}"));
    assertThat(tokensLines).extracting("startLine").isEqualTo(Arrays.asList(1, 3, 4, 5, 6));
}

Example 4 with UastNode

use of org.sonar.uast.UastNode in project sonar-go by SonarSource.

the class TooManyParametersCheck method visitNode.

@Override
public void visitNode(UastNode node) {
    FunctionLike function = FunctionLike.from(node);
    if (function == null) {
        return;
    }
    List<UastNode> parameters = function.parameters();
    int parameterCount = 0;
    for (UastNode parameter : parameters) {
        List<UastNode> identifiers = new ArrayList<>();
        parameter.getDescendants(UastNode.Kind.IDENTIFIER, identifiers::add, UastNode.Kind.TYPE);
        parameterCount += identifiers.size();
    }
    if (parameterCount > maximum) {
        reportIssue(function.name(), String.format("Function has %d parameters, which is more than %d authorized.", parameterCount, maximum));
    }
}

Example 5 with UastNode

use of org.sonar.uast.UastNode in project sonar-go by SonarSource.

the class WrongAssignmentOperatorCheck method visitNode.

@Override
public void visitNode(UastNode node) {
    AssignmentLike assignmentLike = AssignmentLike.from(node);
    if (assignmentLike == null) {
        return;
    }
    if (assignmentLike.isMultiple()) {
        List<AssignmentLike> couples = assignmentLike.assignmentsTuples();
        if (couples.size() != 1) {
            // not relevant for multiple assignment form
            return;
        }
        assignmentLike = couples.get(0);
    }
    UastNode.Token variableLastToken = assignmentLike.target().lastToken();
    UastNode operator = assignmentLike.operator();
    UastNode expression = assignmentLike.value();
    UastNode.Token expressionFirstToken = expression.firstToken();
    if (noSpacingBetween(operator.lastToken(), expressionFirstToken) && spacingBetween(variableLastToken, operator.firstToken()) && expression.is(UastNode.Kind.UNARY_MINUS, UastNode.Kind.UNARY_PLUS, UastNode.Kind.LOGICAL_COMPLEMENT)) {
        String msg;
        if (expression.is(UastNode.Kind.LOGICAL_COMPLEMENT)) {
            msg = "Add a space between \"=\" and \"!\" to avoid confusion.";
        } else {
            msg = String.format("Was \"%s=\" meant instead?", expressionFirstToken.value);
        }
        reportIssue(assignmentLike.node(), msg);
    }
}