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

Example 11 with UastNode

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

the class Engine method visit.

private void visit(UastNode uast) {
    metricsVisitor.visitNode(uast);
    Set<Check> checks = uast.kinds.stream().flatMap(kind -> engineContext.registeredChecks(kind).stream()).collect(Collectors.toSet());
    for (Check check : checks) {
        check.visitNode(uast);
    }
    for (UastNode child : uast.children) {
        visit(child);
    }
    for (Check check : checks) {
        check.leaveNode(uast);
    }
}

Example 12 with UastNode

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

the class AllBranchesAreIdenticalCheck method handleSwitch.

private void handleSwitch(UastNode node) {
    SwitchLike switchLike = SwitchLike.from(node);
    if (switchLike == null) {
        return;
    }
    List<UastNode> caseNodes = switchLike.caseNodes();
    if (caseNodes.size() < 2) {
        return;
    }
    UastNode firstCase = CaseLike.from(caseNodes.get(0)).body();
    if (caseNodes.stream().noneMatch(UastNode.Kind.DEFAULT_CASE)) {
        return;
    }
    boolean allEquivalent = caseNodes.stream().skip(1).map(caseNode -> CaseLike.from(caseNode).body()).allMatch(body -> syntacticallyEquivalent(firstCase, body));
    if (allEquivalent) {
        reportIssue(switchLike.switchKeyword(), MESSAGE);
    }
}

Example 13 with UastNode

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

the class BinaryExpressionLikeTest method test.

@Test
void test() {
    UastNode leftOperand = node(UastNode.Kind.IDENTIFIER);
    UastNode operator = new UastNode(Collections.emptySet(), "", new UastNode.Token(42, 7, "+"), Collections.emptyList());
    UastNode rightOperand = node(UastNode.Kind.IDENTIFIER);
    UastNode binaryExpression = node(UastNode.Kind.BINARY_EXPRESSION, leftOperand, operator, rightOperand);
    BinaryExpressionLike assignmentLike = BinaryExpressionLike.from(binaryExpression);
    assertEquals(assignmentLike.leftOperand(), leftOperand);
    assertEquals(assignmentLike.operator(), operator);
    assertEquals(assignmentLike.rightOperand(), rightOperand);
}

Example 14 with UastNode

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

the class FunctionLikeTest method test.

@Test
void test() throws Exception {
    UastNode node = Uast.from(new StringReader("" + "{\"kinds\": [\"FUNCTION\"], \"children\": [\n" + "  {\"kinds\": [\"KEYWORD\"], \"token\": {\"value\":\"func\",\"line\":4,\"column\":1}},\n" + "  {\"kinds\": [\"FUNCTION_NAME\",\"IDENTIFIER\"], \"token\": {\"value\":\"conv\",\"line\":4,\"column\":6}},\n" + "  {\"children\": [\n" + "    {\"kinds\": [\"PARAMETER_LIST\"], \"children\": [\n" + "      {\"token\": {\"value\":\"(\",\"line\":4,\"column\":10}},\n" + "      {\"children\": [\n" + "        {\"children\": [\n" + "          {\"kinds\": [\"PARAMETER\",\"IDENTIFIER\"], \"token\": {\"value\":\"a\",\"line\":4,\"column\":11}},\n" + "          {\"token\": {\"value\":\",\",\"line\":4,\"column\":12}},\n" + "          {\"kinds\": [\"PARAMETER\",\"IDENTIFIER\"], \"token\": {\"value\":\"b\",\"line\":4,\"column\":14}}\n" + "        ]},\n" + "        {\"kinds\": [\"TYPE\",\"IDENTIFIER\"], \"token\": {\"value\":\"int\",\"line\":4,\"column\":16}}\n" + "      ]},\n" + "      {\"token\": {\"value\":\")\",\"line\":4,\"column\":20}}\n" + "    ]},\n" + "    {\"kinds\": [\"RESULT_LIST\"], \"children\": [\n" + "      {\"children\": [\n" + "        {\"kinds\": [\"TYPE\",\"IDENTIFIER\"], \"token\": {\"value\":\"int\",\"line\":4,\"column\":22}}\n" + "      ]}\n" + "    ]}\n" + "  ]},\n" + "  {\"kinds\": [\"BLOCK\"], \"children\": [\n" + "    {\"token\": {\"value\":\"{\",\"line\":4,\"column\":26}},\n" + "    {\"token\": {\"value\":\"}\",\"line\":6,\"column\":1}}\n" + "  ]}\n" + "]}\n"));
    FunctionLike functionLike = FunctionLike.from(node);
    assertThat(functionLike).isNotNull();
    assertThat(functionLike.node().is(UastNode.Kind.FUNCTION)).isTrue();
    assertThat(functionLike.name().joinTokens()).isEqualTo("conv");
    assertThat(functionLike.parameters().size()).isEqualTo(2);
    assertThat(functionLike.body().is(UastNode.Kind.BLOCK)).isTrue();
}

Example 15 with UastNode

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

the class IfLikeTest method has_else.

@Test
void has_else() throws Exception {
    UastNode node = Uast.from(new StringReader("{ kinds: ['IF'], " + "children: [" + "{kinds: ['IF_KEYWORD'], token: {value: 'if', line: 1, column: 1}}," + "{kinds: ['CONDITION'], token: {value: 'cond', line: 1, column: 1}}," + "{kinds: ['THEN'], token: {value: 'statement1', line: 1, column: 1}}," + "{kinds: ['ELSE_KEYWORD'], token: {value: 'else', line: 1, column: 1}}," + "{kinds: ['ELSE'], token: {value: 'statement2', line: 1, column: 1}}" + "] }"));
    IfLike ifLike = IfLike.from(node);
    assertThat(ifLike).isNotNull();
    ElseLike elseLike = ifLike.elseLike();
    assertThat(elseLike).isNotNull();
    assertThat(elseLike.elseKeyword().joinTokens()).isEqualTo("else");
    assertThat(elseLike.elseNode().joinTokens()).isEqualTo("statement2");
}