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// +build debug
package tensor
import (
"fmt"
"log"
"os"
"reflect"
"runtime/debug"
"strings"
"sync/atomic"
"unsafe"
)
var TABCOUNT uint32
var TRACK = false
const DEBUG = true
var _logger_ = log.New(os.Stderr, "", 0)
var replacement = "\n"
func tabcount() int {
return int(atomic.LoadUint32(&TABCOUNT))
}
func enterLoggingContext() {
atomic.AddUint32(&TABCOUNT, 1)
tabcount := tabcount()
_logger_.SetPrefix(strings.Repeat("\t", tabcount))
replacement = "\n" + strings.Repeat("\t", tabcount)
}
func leaveLoggingContext() {
tabcount := tabcount()
tabcount--
if tabcount < 0 {
atomic.StoreUint32(&TABCOUNT, 0)
tabcount = 0
} else {
atomic.StoreUint32(&TABCOUNT, uint32(tabcount))
}
_logger_.SetPrefix(strings.Repeat("\t", tabcount))
replacement = "\n" + strings.Repeat("\t", tabcount)
}
func logf(format string, others ...interface{}) {
if DEBUG {
// format = strings.Replace(format, "\n", replacement, -1)
s := fmt.Sprintf(format, others...)
s = strings.Replace(s, "\n", replacement, -1)
_logger_.Println(s)
// _logger_.Printf(format, others...)
}
}
var stats = new(debug.GCStats)
func loggc() {
debug.ReadGCStats(stats)
log.Printf("NUMGC: %v", stats.NumGC)
}
func init() {
debug.SetPanicOnFault(true)
debug.SetTraceback("all")
}
type rtype struct {
size uintptr
ptrdata uintptr // number of bytes in the type that can contain pointers
hash uint32 // hash of type; avoids computation in hash tables
tflag uint8 // extra type information flags
align uint8 // alignment of variable with this type
fieldAlign uint8 // alignment of struct field with this type
kind uint8 // enumeration for C
alg uintptr // algorithm table
gcdata uintptr // garbage collection data
str int32 // string form
ptrToThis int32 // type for pointer to this type, may be zero
}
func (t *rtype) Format(s fmt.State, c rune) {
fmt.Fprintf(s, "size: %d pointers: %d, hash: 0x%x, flag: %d, align: %d, kind: %d", t.size, t.ptrdata, t.hash, t.tflag, t.align, t.kind)
}
func logRtype(t *reflect.Type) {
iface := *(*[2]uintptr)(unsafe.Pointer(t))
rt := (*rtype)(unsafe.Pointer(iface[1]))
log.Printf("TYPE INFO: %v(%p) - %v", *t, t, rt)
}
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