| package gc |
| |
| import ( |
| "cmd/internal/obj" |
| "os" |
| "runtime/pprof" |
| "strconv" |
| "strings" |
| ) |
| |
| func bool2int(b bool) int { |
| if b { |
| return 1 |
| } |
| return 0 |
| } |
| |
| func (n *Node) Line() string { |
| return obj.Linklinefmt(Ctxt, int(n.Lineno), false, false) |
| } |
| |
| func atoi(s string) int { |
| // NOTE: Not strconv.Atoi, accepts hex and octal prefixes. |
| n, _ := strconv.ParseInt(s, 0, 0) |
| return int(n) |
| } |
| |
| func isalnum(c int) bool { |
| return isalpha(c) || isdigit(c) |
| } |
| |
| func isalpha(c int) bool { |
| return 'A' <= c && c <= 'Z' || 'a' <= c && c <= 'z' |
| } |
| |
| func isdigit(c int) bool { |
| return '0' <= c && c <= '9' |
| } |
| |
| func plan9quote(s string) string { |
| if s == "" { |
| goto needquote |
| } |
| for i := 0; i < len(s); i++ { |
| if s[i] <= ' ' || s[i] == '\'' { |
| goto needquote |
| } |
| } |
| return s |
| |
| needquote: |
| return "'" + strings.Replace(s, "'", "''", -1) + "'" |
| } |
| |
| // simulation of int(*s++) in C |
| func intstarstringplusplus(s string) (int, string) { |
| if s == "" { |
| return 0, "" |
| } |
| return int(s[0]), s[1:] |
| } |
| |
| // strings.Compare, introduced in Go 1.5. |
| func stringsCompare(a, b string) int { |
| if a == b { |
| return 0 |
| } |
| if a < b { |
| return -1 |
| } |
| return +1 |
| } |
| |
| var atExitFuncs []func() |
| |
| func AtExit(f func()) { |
| atExitFuncs = append(atExitFuncs, f) |
| } |
| |
| func Exit(code int) { |
| for i := len(atExitFuncs) - 1; i >= 0; i-- { |
| f := atExitFuncs[i] |
| atExitFuncs = atExitFuncs[:i] |
| f() |
| } |
| os.Exit(code) |
| } |
| |
| var cpuprofile string |
| var memprofile string |
| |
| func startProfile() { |
| if cpuprofile != "" { |
| f, err := os.Create(cpuprofile) |
| if err != nil { |
| Fatal("%v", err) |
| } |
| if err := pprof.StartCPUProfile(f); err != nil { |
| Fatal("%v", err) |
| } |
| AtExit(pprof.StopCPUProfile) |
| } |
| if memprofile != "" { |
| f, err := os.Create(memprofile) |
| if err != nil { |
| Fatal("%v", err) |
| } |
| AtExit(func() { |
| if err := pprof.WriteHeapProfile(f); err != nil { |
| Fatal("%v", err) |
| } |
| }) |
| } |
| } |