Examples with ValidationEnvironment com.google.devtools.build.lib.syntax.ValidationEnvironment used on opensource projects

Example 1 with ValidationEnvironment

use of com.google.devtools.build.lib.syntax.ValidationEnvironment in project bazel by bazelbuild.

the class ASTFileLookupFunction method compute.

@Override
public SkyValue compute(SkyKey skyKey, Environment env) throws SkyFunctionException, InterruptedException {
    Label fileLabel = (Label) skyKey.argument();
    PathFragment filePathFragment = fileLabel.toPathFragment();
    //
    // Determine whether the package designated by fileLabel exists.
    //
    SkyKey pkgSkyKey = PackageLookupValue.key(fileLabel.getPackageIdentifier());
    PackageLookupValue pkgLookupValue = null;
    try {
        pkgLookupValue = (PackageLookupValue) env.getValueOrThrow(pkgSkyKey, BuildFileNotFoundException.class, InconsistentFilesystemException.class);
    } catch (BuildFileNotFoundException e) {
        throw new ASTLookupFunctionException(new ErrorReadingSkylarkExtensionException(e), Transience.PERSISTENT);
    } catch (InconsistentFilesystemException e) {
        throw new ASTLookupFunctionException(e, Transience.PERSISTENT);
    }
    if (pkgLookupValue == null) {
        return null;
    }
    if (!pkgLookupValue.packageExists()) {
        return ASTFileLookupValue.forBadPackage(fileLabel, pkgLookupValue.getErrorMsg());
    }
    //
    // Determine whether the file designated by fileLabel exists.
    //
    Path packageRoot = pkgLookupValue.getRoot();
    RootedPath rootedPath = RootedPath.toRootedPath(packageRoot, filePathFragment);
    SkyKey fileSkyKey = FileValue.key(rootedPath);
    FileValue fileValue = null;
    try {
        fileValue = (FileValue) env.getValueOrThrow(fileSkyKey, IOException.class, FileSymlinkException.class, InconsistentFilesystemException.class);
    } catch (IOException | FileSymlinkException e) {
        throw new ASTLookupFunctionException(new ErrorReadingSkylarkExtensionException(e), Transience.PERSISTENT);
    } catch (InconsistentFilesystemException e) {
        throw new ASTLookupFunctionException(e, Transience.PERSISTENT);
    }
    if (fileValue == null) {
        return null;
    }
    if (!fileValue.isFile()) {
        return ASTFileLookupValue.forBadFile(fileLabel);
    }
    //
    // Both the package and the file exist; load the file and parse it as an AST.
    //
    BuildFileAST ast = null;
    Path path = rootedPath.asPath();
    try {
        long astFileSize = fileValue.getSize();
        try (Mutability mutability = Mutability.create("validate")) {
            ValidationEnvironment validationEnv = new ValidationEnvironment(ruleClassProvider.createSkylarkRuleClassEnvironment(fileLabel, mutability, env.getListener(), /*astFileContentHashCode=*/
            null, /*importMap=*/
            null).setupDynamic(Runtime.PKG_NAME, Runtime.NONE).setupDynamic(Runtime.REPOSITORY_NAME, Runtime.NONE));
            ast = BuildFileAST.parseSkylarkFile(path, astFileSize, env.getListener());
            ast = ast.validate(validationEnv, env.getListener());
        }
    } catch (IOException e) {
        throw new ASTLookupFunctionException(new ErrorReadingSkylarkExtensionException(e), Transience.TRANSIENT);
    }
    return ASTFileLookupValue.withFile(ast);
}

Example 2 with ValidationEnvironment

use of com.google.devtools.build.lib.syntax.ValidationEnvironment in project bazel by bazelbuild.

the class EvaluationTestCase method parseFile.

protected List<Statement> parseFile(String... input) {
    BuildFileAST ast = BuildFileAST.parseSkylarkString(getEventHandler(), input);
    ast = ast.validate(new ValidationEnvironment(env), getEventHandler());
    return ast.getStatements();
}