if f.baseErr != nil {
		return 0, f.baseErr
	}
	return addr - f.base, nil
}

func (f *file) BuildID() string {
	return f.buildID
}

func (f *file) SourceLine(addr uint64) ([]plugin.Frame, error) {
	f.baseOnce.Do(func() { f.baseErr = f.computeBase(addr) })
	if f.baseErr != nil {
		return nil, f.baseErr
	}
	return nil, nil
}

func (f *file) Close() error {

			// details for all the errors.
			for _, e := range list {
				fmt.Fprintln(os.Stderr, e)
			}
			os.Exit(2)
		}
		fatalf("parsing %s: %s", name, err)
	}
	return ast1
}

func sourceLine(n ast.Node) int {
	return fset.Position(n.Pos()).Line
}

// ParseGo populates f with information learned from the Go source code
// which was read from the named file. It gathers the C preamble

	}
	return nil
}

func symbolizeOneMapping(m *profile.Mapping, locs []*profile.Location, obj plugin.ObjFile, addFunction func(*profile.Function) *profile.Function) {
	for _, l := range locs {
		stack, err := obj.SourceLine(l.Address)
		if err != nil || len(stack) == 0 {
			// No answers from addr2line.
			continue
		}

		l.Line = make([]profile.Line, len(stack))
		l.IsFolded = false
		for i, frame := range stack {

	line      int    // For top-level function in which instruction occurs
	flat, cum int64  // Samples to report (divisor already applied)
}

// sourceFile contains collected information for files we will print.
type sourceFile struct {
	fname    string
	cum      int64
	flat     int64
	lines    map[int][]sourceInst // Instructions to show per line
	funcName map[int]string       // Function name per line

    }

    def toOtherSourceSet(SourceFile sourceFile) {
        return new SourceFile("other", sourceFile.name, sourceFile.content)
    }

    def renameSourceFile(SourceFile sourceFile, String name) {
        return new SourceFile(sourceFile.path, name, sourceFile.content)
    }

    def addFunction(SourceFile sourceFile) {
        return new SourceFile(sourceFile.path, sourceFile.name, sourceFile.content + """

            project(':b') {
                dependencies {
                    implementation project(':a')
                }
            }
        """
        def sourceFile = file("a/src/main/${language.name}/ToolImpl.${language.name}")
        sourceFile << """
            public class ToolImpl {
                private String thing() { return null; }
                private ToolImpl t = this;
            }
        """

        val versionsToIncubating = mutableMapOf<Version, MutableSet<IncubatingDescription>>()
        JavaParser().parse(sourceFile).getResult().get().run {
            solver.inject(this)
            findAllIncubating()
                .map { node -> toVersionIncubating(sourceFile, node) }
                .forEach { (version, incubating) ->

    private final String description;
    private final File sourceFile;
    private final URI sourceUri;
    private final RelativeFilePathResolver resolver;

    UriTextResource(String description, @Nonnull File sourceFile, RelativeFilePathResolver resolver) {
        this.description = description;
        this.sourceFile = FileUtils.normalize(sourceFile);
        this.sourceUri = sourceFile.toURI();
        this.resolver = resolver;
    }

    }

    def added(TestFile sourceFile) {
        virtualFileSystem.invalidateAll()
        modifiedFiles << sourceFile
        graph[sourceFile] = []
    }

    def sourceAdded(TestFile sourceFile, List<File> deps = []) {
        virtualFileSystem.invalidateAll()
        sourceFiles << sourceFile
        modifiedFiles << sourceFile
        graph[sourceFile] = deps
    }

        resolve() == [header]
    }

    def resolve() {
        def directives = parser.parseSource(sourceFile)
        directives = serialize(directives, serializer)
        def macros = new CollectingMacroLookup()
        macros.append(sourceFile, directives)
        def result = resolver.resolveInclude(sourceFile, directives.all.first(), macros)
        assert result.complete
        result.files.file as List
    }