});
                        variantMetadata.withFiles(variantFiles -> {
                            variantFiles.addFile(id.getName() + "-" + id.getVersion() + "-my-samples.jar");
                        });
                    });
                }
            }
        """

        1 * variant1.addFile("api.zip", "api.zop")
        1 * variant1.addFile("api-2.zip", "api-2.zop")
        1 * variant1.setAvailableExternally(false)
        1 * metadata.addVariant("runtime", attributes(usage: "runtime", packaging: "zip")) >> variant2
        1 * variant2.addFile("api.zip", "api.zop")
        1 * variant2.addFile("runtime.zip", "runtime.zop")

	readFile := pass.ReadFile
	if readFile == nil {
		readFile = os.ReadFile
	}
	content, err := readFile(filename)
	if err != nil {
		return nil, nil, err
	}
	tf := pass.Fset.AddFile(filename, -1, len(content))
	tf.SetLinesForContent(content)
	return content, tf, nil
}

// LineStart returns the position of the start of the specified line
// within file f, or NoPos if there is no line of that number.

			}
			expectEmptyUpdate(t, ch)

			addFile := func() {
				// Add a file
				if symlink {
					testCase.writeToFile(linkedDirName, fileName, t)
					return
				}

				testCase.writeToFile(dirName, fileName, t)
			}

			go addFile()

			// For !watchDir: expect an update by SourceFile.reloadConfig().

	// all positions have been calculated (by way of fakeFileSet.setLines), so
	// that we can avoid setting unnecessary lines. See also golang/go#46586.
	f := s.files[file]
	if f == nil {
		f = &fileInfo{file: s.fset.AddFile(file, -1, maxlines)}
		s.files[file] = f
	}

	if line > maxlines {
		line = 1
	}
	if line > f.lastline {
		f.lastline = line
	}

        }

        @Override
        public boolean removeFile(ComponentVariant.File file) {
            return files.remove(file);
        }

        @Override
        public void addFile(String name, String uri) {
            files.add(new FileImpl(name, uri));
        }

        @Override
        public String getName() {
            return name;
        }

        @Override

	if err := cf.Err(); err != nil {
		return err
	}

	// Create the module zip file.
	zw := zip.NewWriter(w)
	prefix := fmt.Sprintf("%s@%s/", m.Path, m.Version)

	addFile := func(f File, path string, size int64) error {
		rc, err := f.Open()
		if err != nil {
			return err
		}
		defer rc.Close()
		w, err := zw.Create(prefix + path)
		if err != nil {
			return err
		}

	if err != nil {
		return ""
	}
	defer f.Close()

	var src [4 << 10]byte // read at most 4KB
	n, _ := f.Read(src[:])

	var first string
	var s scanner.Scanner
	s.Init(fset.AddFile("", fset.Base(), n), src[:n], nil /* ignore errors */, scanner.ScanComments)
	for {
		_, tok, lit := s.Scan()
		switch tok {
		case token.COMMENT:
			// remove trailing */ of multi-line comment
			if lit[1] == '*' {

files such as assembly. To report a diagnostic against a line of a
raw text file, use the following sequence:

	content, err := pass.ReadFile(filename)
	if err != nil { ... }
	tf := fset.AddFile(filename, -1, len(content))
	tf.SetLinesForContent(content)
	...
	pass.Reportf(tf.LineStart(line), "oops")

# Modular analysis with Facts

To improve efficiency and scalability, large programs are routinely

        for (ModuleFile file : files) {
            variant.addFile(file.name, file.uri);
        }
        for (ModuleDependency dependency : dependencies) {