"strings"
)

func main() {
	flag.Parse()

	b := bufio.NewWriter(os.Stdout)
	defer b.Flush()

	fmt.Fprintf(b, "%s\n", prolog)

	for logBits := uint(3); logBits <= 6; logBits++ {
		typ := fmt.Sprintf("int%d", 1<<logBits)
		fmt.Fprint(b, strings.Replace(checkFunc, "XXX", typ, -1))
		fmt.Fprint(b, strings.Replace(checkFunc, "XXX", "u"+typ, -1))
		gentest(b, 1<<logBits, mode&1 != 0, mode&2 != 0)
	}
}

	printerPool.Put(p)
}

// fprint implements Fprint and takes a nodesSizes map for setting up the printer state.
func (cfg *Config) fprint(output io.Writer, fset *token.FileSet, node any, nodeSizes map[ast.Node]int) (err error) {
	// print node
	p := newPrinter(cfg, fset, nodeSizes)
	defer p.free()
	if err = p.printNode(node); err != nil {
		return
	}
	// print outstanding comments

				t.Errorf("got %s, want %s", got, test.want)
			}
		})
	}
}

func (n *routingNode) print(w io.Writer, level int) {
	indent := strings.Repeat("    ", level)
	if n.pattern != nil {
		fmt.Fprintf(w, "%s%q\n", indent, n.pattern)
	}
	if n.emptyChild != nil {
		fmt.Fprintf(w, "%s%q:\n", indent, "")
		n.emptyChild.print(w, level+1)
	}

	var keys []string
	n.children.eachPair(func(k string, _ *routingNode) bool {

	before, err := os.Executable()
	if err != nil {
		fmt.Fprintf(os.Stderr, "failed to read executable name before deletion: %v\n", err)
		os.Exit(1)
	}

	err = os.Remove(before)
	if err != nil {
		fmt.Fprintf(os.Stderr, "failed to remove executable: %v\n", err)
		os.Exit(1)
	}

	after, err := os.Executable()
	if err != nil {
		fmt.Fprintf(os.Stderr, "failed to read executable name after deletion: %v\n", err)

		log.Fatal("usage: encgen [--output filename]")
	}
	var b bytes.Buffer
	fmt.Fprintf(&b, "// Code generated by go run encgen.go -output %s; DO NOT EDIT.\n", *output)
	fmt.Fprint(&b, header)
	printMaps(&b, "Array")
	fmt.Fprint(&b, "\n")
	printMaps(&b, "Slice")
	for _, t := range types {
		fmt.Fprintf(&b, arrayHelper, t.lower, t.upper)
		fmt.Fprintf(&b, sliceHelper, t.lower, t.upper, t.zero, t.encoder)
	}

		}
		addTestVet(b, p, run, nil)
		print := &work.Action{
			Mode:       "test print",
			Actor:      work.ActorFunc(builderPrintTest),
			Deps:       []*work.Action{run},
			Package:    p,
			IgnoreFail: true, // print even if test failed
		}
		return build, run, print, nil
	}

	// Build Package structs describing:
	//	pmain - pkg.test binary

	}
	var b bytes.Buffer
	fmt.Fprintf(&b, "// Code generated by go run decgen.go -output %s; DO NOT EDIT.\n", *output)
	fmt.Fprint(&b, header)
	printMaps(&b, "Array")
	fmt.Fprint(&b, "\n")
	printMaps(&b, "Slice")
	for _, t := range types {
		fmt.Fprintf(&b, arrayHelper, t.lower, t.upper)
		fmt.Fprintf(&b, sliceHelper, t.lower, t.upper, t.decoder)
	}
	fmt.Fprintf(&b, trailer)
	source, err := format.Source(b.Bytes())

func usage() {
	fmt.Fprintf(os.Stderr, "usage: go tool fix [-diff] [-r fixname,...] [-force fixname,...] [path ...]\n")
	flag.PrintDefaults()
	fmt.Fprintf(os.Stderr, "\nAvailable rewrites are:\n")
	sort.Sort(byName(fixes))
	for _, f := range fixes {
		if f.disabled {
			fmt.Fprintf(os.Stderr, "\n%s (disabled)\n", f.name)
		} else {
			fmt.Fprintf(os.Stderr, "\n%s\n", f.name)
		}

)

var CmdVersion = &base.Command{
	UsageLine: "go version [-m] [-v] [file ...]",
	Short:     "print Go version",
	Long: `Version prints the build information for Go binary files.

Go version reports the Go version used to build each of the named files.

If no files are named on the command line, go version prints its own
version information.

If a directory is named, go version walks that directory, recursively,

			} else {
				// Print instruction as 32-bit words.
				for j := uint64(0); j < size; j += 4 {
					if j > 0 {
						fmt.Fprintf(tw, " ")
					}
					fmt.Fprintf(tw, "%08x", d.byteOrder.Uint32(code[i+j:]))
				}
			}
			fmt.Fprintf(tw, "\t%s\t\n", text)
		})
		tw.Flush()
	}
	bw.Flush()
}

// Decode disassembles the text segment range [start, end), calling f for each instruction.