Examples with HeaderMap com.facebook.buck.apple.clang.HeaderMap used on opensource projects

Example 1 with HeaderMap

use of com.facebook.buck.apple.clang.HeaderMap in project buck by facebook.

the class ProjectGeneratorTest method assertThatHeaderMapWithoutSymLinksContains.

private void assertThatHeaderMapWithoutSymLinksContains(Path root, ImmutableMap<String, String> content) throws IOException {
    // Read the tree's header map.
    byte[] headerMapBytes;
    try (InputStream headerMapInputStream = projectFilesystem.newFileInputStream(root.resolve(".hmap"))) {
        headerMapBytes = ByteStreams.toByteArray(headerMapInputStream);
    }
    HeaderMap headerMap = HeaderMap.deserialize(headerMapBytes);
    assertNotNull(headerMap);
    assertThat(headerMap.getNumEntries(), equalTo(content.size()));
    for (Map.Entry<String, String> entry : content.entrySet()) {
        String key = entry.getKey();
        Path target = Paths.get(entry.getValue()).toAbsolutePath();
        // Check the header map
        assertThat(headerMap.lookup(key), equalTo(target.toString()));
    }
}

Example 2 with HeaderMap

use of com.facebook.buck.apple.clang.HeaderMap in project buck by facebook.

the class HeaderMapStep method execute.

@Override
public StepExecutionResult execute(ExecutionContext context) throws IOException {
    LOG.debug("Writing header map with %d entries to %s", entries.size(), output);
    HeaderMap.Builder builder = HeaderMap.builder();
    for (Map.Entry<Path, Path> entry : entries.entrySet()) {
        builder.add(entry.getKey().toString(), entry.getValue());
    }
    HeaderMap headerMap = builder.build();
    filesystem.writeBytesToPath(headerMap.getBytes(), output);
    return StepExecutionResult.SUCCESS;
}

Example 3 with HeaderMap

use of com.facebook.buck.apple.clang.HeaderMap in project buck by facebook.

the class CxxCompilationDatabaseIntegrationTest method verifyHeaders.

private void verifyHeaders(ProjectWorkspace projectWorkspace, Path path, String... headers) throws IOException {
    Path resolvedPath = headerSymlinkTreePath(path);
    if (PREPROCESSOR_SUPPORTS_HEADER_MAPS) {
        final List<String> presentHeaders = new ArrayList<>();
        HeaderMap headerMap = HeaderMap.loadFromFile(projectWorkspace.getPath(resolvedPath).toFile());
        headerMap.visit((str, prefix, suffix) -> presentHeaders.add(str));
        assertThat(presentHeaders, containsInAnyOrder(headers));
    } else {
        for (String header : headers) {
            assertThat(Files.exists(projectWorkspace.getPath(resolvedPath.resolve(header))), is(true));
        }
    }
}

Example 4 with HeaderMap

use of com.facebook.buck.apple.clang.HeaderMap in project buck by facebook.

the class HeaderMapStepTest method testHeaderMap.

@Test
public void testHeaderMap() throws IOException {
    ProjectFilesystem projectFilesystem = new ProjectFilesystem(tmpDir.getRoot().toPath());
    ExecutionContext context = TestExecutionContext.newInstance();
    Path output = Paths.get("headers.hmap");
    ImmutableMap<Path, Path> entries = ImmutableMap.of(Paths.get("file1.h"), Paths.get("/some/absolute/path.h"), Paths.get("file2.h"), Paths.get("/other/absolute/path.h"), Paths.get("prefix/file1.h"), Paths.get("/some/absolute/path.h"));
    HeaderMapStep step = new HeaderMapStep(projectFilesystem, output, entries);
    step.execute(context);
    assertTrue(projectFilesystem.exists(output));
    byte[] headerMapBytes = ByteStreams.toByteArray(projectFilesystem.newFileInputStream(output));
    HeaderMap headerMap = HeaderMap.deserialize(headerMapBytes);
    assertNotNull(headerMap);
    assertThat(headerMap.getNumEntries(), equalTo(entries.size()));
    for (Map.Entry<Path, Path> entry : entries.entrySet()) {
        assertThat(headerMap.lookup(entry.getKey().toString()), equalTo(entry.getValue().toString()));
    }
}

Example 5 with HeaderMap

use of com.facebook.buck.apple.clang.HeaderMap in project buck by facebook.

the class ProjectGeneratorTest method assertThatHeaderSymlinkTreeContains.

private void assertThatHeaderSymlinkTreeContains(Path root, ImmutableMap<String, String> content) throws IOException {
    // Read the tree's header map.
    byte[] headerMapBytes;
    try (InputStream headerMapInputStream = projectFilesystem.newFileInputStream(root.resolve(".hmap"))) {
        headerMapBytes = ByteStreams.toByteArray(headerMapInputStream);
    }
    HeaderMap headerMap = HeaderMap.deserialize(headerMapBytes);
    assertNotNull(headerMap);
    assertThat(headerMap.getNumEntries(), equalTo(content.size()));
    for (Map.Entry<String, String> entry : content.entrySet()) {
        String key = entry.getKey();
        Path link = root.resolve(Paths.get(key));
        Path target = Paths.get(entry.getValue()).toAbsolutePath();
        // Check the filesystem symlink
        assertTrue(projectFilesystem.isSymLink(link));
        assertEquals(target, projectFilesystem.readSymLink(link));
        // Check the header map
        assertThat(headerMap.lookup(key), equalTo(Paths.get("../../").resolve(projectCell.getRoot().getFileName()).resolve(link).toString()));
    }
}