Examples with WorkspaceFactory com.google.devtools.build.lib.packages.WorkspaceFactory used on opensource projects

Example 1 with WorkspaceFactory

use of com.google.devtools.build.lib.packages.WorkspaceFactory in project bazel by bazelbuild.

the class WorkspaceFileFunction method compute.

@Override
public SkyValue compute(SkyKey skyKey, Environment env) throws WorkspaceFileFunctionException, InterruptedException {
    WorkspaceFileKey key = (WorkspaceFileKey) skyKey.argument();
    RootedPath workspaceRoot = key.getPath();
    WorkspaceASTValue workspaceASTValue = (WorkspaceASTValue) env.getValue(WorkspaceASTValue.key(workspaceRoot));
    if (workspaceASTValue == null) {
        return null;
    }
    Path repoWorkspace = workspaceRoot.getRoot().getRelative(workspaceRoot.getRelativePath());
    Package.Builder builder = packageFactory.newExternalPackageBuilder(repoWorkspace, ruleClassProvider.getRunfilesPrefix());
    if (workspaceASTValue.getASTs().isEmpty()) {
        return new WorkspaceFileValue(// resulting package
        builder.build(), // list of imports
        ImmutableMap.<String, Extension>of(), // list of symbol bindings
        ImmutableMap.<String, Object>of(), // Workspace root
        workspaceRoot, // first fragment, idx = 0
        0, // last fragment
        false);
    }
    WorkspaceFactory parser;
    try (Mutability mutability = Mutability.create("workspace %s", repoWorkspace)) {
        parser = new WorkspaceFactory(builder, ruleClassProvider, packageFactory.getEnvironmentExtensions(), mutability, key.getIndex() == 0, directories.getEmbeddedBinariesRoot(), directories.getWorkspace());
        if (key.getIndex() > 0) {
            WorkspaceFileValue prevValue = (WorkspaceFileValue) env.getValue(WorkspaceFileValue.key(key.getPath(), key.getIndex() - 1));
            if (prevValue == null) {
                return null;
            }
            if (prevValue.next() == null) {
                return prevValue;
            }
            parser.setParent(prevValue.getPackage(), prevValue.getImportMap(), prevValue.getBindings());
        }
        BuildFileAST ast = workspaceASTValue.getASTs().get(key.getIndex());
        PackageFunction.SkylarkImportResult importResult = PackageFunction.fetchImportsFromBuildFile(repoWorkspace, rootPackage, ast, env, null);
        if (importResult == null) {
            return null;
        }
        parser.execute(ast, importResult.importMap);
    } catch (NoSuchPackageException e) {
        throw new WorkspaceFileFunctionException(e, Transience.PERSISTENT);
    } catch (NameConflictException e) {
        throw new WorkspaceFileFunctionException(e, Transience.PERSISTENT);
    }
    return new WorkspaceFileValue(builder.build(), parser.getImportMap(), parser.getVariableBindings(), workspaceRoot, key.getIndex(), key.getIndex() < workspaceASTValue.getASTs().size() - 1);
}