Examples with SliceItem org.sonar.plugins.python.api.tree.SliceItem used on opensource projects

Example 1 with SliceItem

use of org.sonar.plugins.python.api.tree.SliceItem in project sonar-python by SonarSource.

the class OverwrittenCollectionEntryCheck method key.

@CheckForNull
private static String key(Tree tree) {
    if (tree.is(Kind.TOKEN)) {
        return ((Token) tree).value();
    } else if (tree.is(Kind.NUMERIC_LITERAL)) {
        return ((NumericLiteral) tree).valueAsString();
    } else if (tree.is(Kind.STRING_LITERAL)) {
        return Expressions.unescape((StringLiteral) tree);
    } else if (tree.is(Kind.NAME)) {
        return ((Name) tree).name();
    } else if (tree.is(Kind.SLICE_ITEM)) {
        SliceItem sliceItem = (SliceItem) tree;
        List<String> keyParts = Stream.of(sliceItem.lowerBound(), sliceItem.upperBound(), sliceItem.stride()).map(e -> e == null ? "" : key(e)).collect(Collectors.toList());
        return keyParts.contains(null) ? null : String.join(":", keyParts);
    } else if (tree.is(Kind.UNARY_MINUS)) {
        String nested = key(((UnaryExpression) tree).expression());
        return nested == null ? null : ("-" + nested);
    }
    return null;
}

Example 2 with SliceItem

use of org.sonar.plugins.python.api.tree.SliceItem in project sonar-python by SonarSource.

the class PythonTreeMakerTest method slice.

@Test
public void slice() {
    setRootRule(PythonGrammar.SUBSCRIPT);
    SliceItem slice = parse("a:b:c", treeMaker::sliceItem);
    assertThat(((Name) slice.lowerBound()).name()).isEqualTo("a");
    assertThat(((Name) slice.upperBound()).name()).isEqualTo("b");
    assertThat(((Name) slice.stride()).name()).isEqualTo("c");
    assertThat(slice.boundSeparator().value()).isEqualTo(":");
    assertThat(slice.strideSeparator().value()).isEqualTo(":");
    assertThat(slice.children()).hasSize(5);
    SliceItem trivial = parse(":", treeMaker::sliceItem);
    assertThat(trivial.lowerBound()).isNull();
    assertThat(trivial.upperBound()).isNull();
    assertThat(trivial.stride()).isNull();
    assertThat(trivial.strideSeparator()).isNull();
    SliceItem lowerBoundOnly = parse("a:", treeMaker::sliceItem);
    assertThat(((Name) lowerBoundOnly.lowerBound()).name()).isEqualTo("a");
    assertThat(lowerBoundOnly.upperBound()).isNull();
    assertThat(lowerBoundOnly.stride()).isNull();
    assertThat(lowerBoundOnly.strideSeparator()).isNull();
    SliceItem upperBoundOnly = parse(":a", treeMaker::sliceItem);
    assertThat(upperBoundOnly.lowerBound()).isNull();
    assertThat(((Name) upperBoundOnly.upperBound()).name()).isEqualTo("a");
    assertThat(upperBoundOnly.stride()).isNull();
    assertThat(upperBoundOnly.strideSeparator()).isNull();
    SliceItem strideOnly = parse("::a", treeMaker::sliceItem);
    assertThat(strideOnly.lowerBound()).isNull();
    assertThat(strideOnly.upperBound()).isNull();
    assertThat(((Name) strideOnly.stride()).name()).isEqualTo("a");
    assertThat(strideOnly.strideSeparator()).isNotNull();
    SliceItem strideContainingOnlyColon = parse("::", treeMaker::sliceItem);
    assertThat(strideContainingOnlyColon.lowerBound()).isNull();
    assertThat(strideContainingOnlyColon.upperBound()).isNull();
    assertThat(strideContainingOnlyColon.strideSeparator()).isNotNull();
}