Examples with ProjectBuildFileParser com.facebook.buck.json.ProjectBuildFileParser used on opensource projects

Example 6 with ProjectBuildFileParser

use of com.facebook.buck.json.ProjectBuildFileParser in project buck by facebook.

the class ProjectBuildFileParserTest method whenSubprocessReturnsNonSyntaxErrorThenExceptionContainsFullStackTrace.

@Test
public void whenSubprocessReturnsNonSyntaxErrorThenExceptionContainsFullStackTrace() throws IOException, BuildFileParseException, InterruptedException {
    // This test depends on unix utilities that don't exist on Windows.
    assumeTrue(Platform.detect() != Platform.WINDOWS);
    TestProjectBuildFileParserFactory buildFileParserFactory = new TestProjectBuildFileParserFactory(cell.getRoot(), cell.getKnownBuildRuleTypes());
    thrown.expect(BuildFileParseException.class);
    thrown.expectMessage("Parse error for build file foo/BUCK:\n" + "ZeroDivisionError: integer division or modulo by zero\n" + "Call stack:\n" + "  File \"bar/BUCK\", line 42, in lets_divide_by_zero\n" + "    foo / bar\n" + "\n" + "  File \"foo/BUCK\", line 23\n" + "    lets_divide_by_zero()\n" + "\n");
    try (ProjectBuildFileParser buildFileParser = buildFileParserFactory.createNoopParserThatAlwaysReturnsErrorWithException(BuckEventBusFactory.newInstance(new FakeClock(0)), "This is an error", "parser", ImmutableMap.<String, Object>builder().put("type", "ZeroDivisionError").put("value", "integer division or modulo by zero").put("filename", "bar/BUCK").put("lineno", 42).put("offset", 24).put("text", "foo / bar\n").put("traceback", ImmutableList.of(ImmutableMap.of("filename", "bar/BUCK", "line_number", 42, "function_name", "lets_divide_by_zero", "text", "foo / bar\n"), ImmutableMap.of("filename", "foo/BUCK", "line_number", 23, "function_name", "<module>", "text", "lets_divide_by_zero()\n"))).build())) {
        buildFileParser.initIfNeeded();
        buildFileParser.getAllRulesAndMetaRules(Paths.get("foo/BUCK"));
    }
}

Example 7 with ProjectBuildFileParser

use of com.facebook.buck.json.ProjectBuildFileParser in project buck by facebook.

the class ProjectBuildFileParserTest method whenSubprocessReturnsErrorThenConsoleEventPublished.

@Test
public void whenSubprocessReturnsErrorThenConsoleEventPublished() throws IOException, BuildFileParseException, InterruptedException {
    // This test depends on unix utilities that don't exist on Windows.
    assumeTrue(Platform.detect() != Platform.WINDOWS);
    TestProjectBuildFileParserFactory buildFileParserFactory = new TestProjectBuildFileParserFactory(cell.getRoot(), cell.getKnownBuildRuleTypes());
    BuckEventBus buckEventBus = BuckEventBusFactory.newInstance(new FakeClock(0));
    final List<ConsoleEvent> consoleEvents = new ArrayList<>();
    class EventListener {

        @Subscribe
        public void onConsoleEvent(ConsoleEvent consoleEvent) {
            consoleEvents.add(consoleEvent);
        }
    }
    EventListener eventListener = new EventListener();
    buckEventBus.register(eventListener);
    try (ProjectBuildFileParser buildFileParser = buildFileParserFactory.createNoopParserThatAlwaysReturnsSuccessWithError(buckEventBus, "This is an error", "parser")) {
        buildFileParser.initIfNeeded();
        buildFileParser.getAllRulesAndMetaRules(Paths.get("foo"));
    }
    assertThat(consoleEvents, Matchers.contains(Matchers.hasToString("Error raised by BUCK file parser: This is an error")));
}

Example 8 with ProjectBuildFileParser

use of com.facebook.buck.json.ProjectBuildFileParser in project buck by facebook.

the class JavaSymbolFinder method getTargetsForSourceFiles.

/**
   * For all the possible BUCK files above each of the given source files, parse them to JSON to
   * find the targets that actually include these source files, and return a map of them. We do this
   * over a collection of source files, rather than a single file at a time, because instantiating
   * the BUCK file parser is expensive. (It spawns a Python subprocess.)
   */
private ImmutableMultimap<Path, BuildTarget> getTargetsForSourceFiles(Collection<Path> sourceFilePaths) throws InterruptedException, IOException {
    Map<Path, List<Map<String, Object>>> parsedBuildFiles = Maps.newHashMap();
    ImmutableSetMultimap.Builder<Path, BuildTarget> sourceFileTargetsMultimap = ImmutableSetMultimap.builder();
    try (ProjectBuildFileParser parser = projectBuildFileParserFactory.createParser(marshaller, console, environment, buckEventBus, /* ignoreBuckAutodepsFiles */
    false)) {
        for (Path sourceFile : sourceFilePaths) {
            for (Path buckFile : possibleBuckFilesForSourceFile(sourceFile)) {
                List<Map<String, Object>> rules;
                // Avoid parsing the same BUCK file twice.
                if (parsedBuildFiles.containsKey(buckFile)) {
                    rules = parsedBuildFiles.get(buckFile);
                } else {
                    rules = parser.getAll(buckFile);
                    parsedBuildFiles.put(buckFile, rules);
                }
                for (Map<String, Object> ruleMap : rules) {
                    String type = (String) ruleMap.get(BuckPyFunction.TYPE_PROPERTY_NAME);
                    if (javaRuleTypes.contains(type)) {
                        @SuppressWarnings("unchecked") List<String> srcs = (List<String>) Preconditions.checkNotNull(ruleMap.get("srcs"));
                        if (isSourceFilePathInSrcsList(sourceFile, srcs, buckFile.getParent())) {
                            Path buckFileDir = buckFile.getParent();
                            String baseName = "//" + (buckFileDir != null ? MorePaths.pathWithUnixSeparators(buckFileDir) : "");
                            String shortName = (String) Preconditions.checkNotNull(ruleMap.get("name"));
                            sourceFileTargetsMultimap.put(sourceFile, BuildTarget.builder(projectFilesystem.getRootPath(), baseName, shortName).build());
                        }
                    }
                }
            }
        }
    } catch (BuildFileParseException e) {
        buckEventBus.post(ThrowableConsoleEvent.create(e, "Error while searching for targets."));
    }
    return sourceFileTargetsMultimap.build();
}

Example 9 with ProjectBuildFileParser

use of com.facebook.buck.json.ProjectBuildFileParser in project buck by facebook.

the class PerBuildState method createBuildFileParser.

private ProjectBuildFileParser createBuildFileParser(Cell cell, boolean ignoreBuckAutodepsFiles) {
    ProjectBuildFileParser parser = cell.createBuildFileParser(this.parser.getMarshaller(), console, eventBus, ignoreBuckAutodepsFiles);
    parser.setEnableProfiling(enableProfiling);
    return parser;
}

Example 10 with ProjectBuildFileParser

use of com.facebook.buck.json.ProjectBuildFileParser in project buck by facebook.

the class ProjectBuildFileParserTest method whenSubprocessReturnsSyntaxErrorInFileBeingParsedThenExceptionContainsFileNameOnce.

@Test
public void whenSubprocessReturnsSyntaxErrorInFileBeingParsedThenExceptionContainsFileNameOnce() throws IOException, BuildFileParseException, InterruptedException {
    // This test depends on unix utilities that don't exist on Windows.
    assumeTrue(Platform.detect() != Platform.WINDOWS);
    TestProjectBuildFileParserFactory buildFileParserFactory = new TestProjectBuildFileParserFactory(cell.getRoot(), cell.getKnownBuildRuleTypes());
    thrown.expect(BuildFileParseException.class);
    thrown.expectMessage("Parse error for build file foo/BUCK:\n" + "Syntax error on line 23, column 16:\n" + "java_test(name=*@!&#(!@&*()\n" + "               ^");
    try (ProjectBuildFileParser buildFileParser = buildFileParserFactory.createNoopParserThatAlwaysReturnsErrorWithException(BuckEventBusFactory.newInstance(new FakeClock(0)), "This is an error", "parser", ImmutableMap.<String, Object>builder().put("type", "SyntaxError").put("value", "You messed up").put("filename", "foo/BUCK").put("lineno", 23).put("offset", 16).put("text", "java_test(name=*@!&#(!@&*()\n").put("traceback", ImmutableList.of(ImmutableMap.of("filename", "foo/BUCK", "line_number", 23, "function_name", "<module>", "text", "java_test(name=*@!&#(!@&*()\n"))).build())) {
        buildFileParser.initIfNeeded();
        buildFileParser.getAllRulesAndMetaRules(Paths.get("foo/BUCK"));
    }
}