github.com/shijuvar/go@v0.0.0-20141209052335-e8f13700b70c/src/reflect/export_test.go (about)

     1  // Copyright 2012 The Go Authors.  All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package reflect
     6  
     7  // MakeRO returns a copy of v with the read-only flag set.
     8  func MakeRO(v Value) Value {
     9  	v.flag |= flagRO
    10  	return v
    11  }
    12  
    13  // IsRO reports whether v's read-only flag is set.
    14  func IsRO(v Value) bool {
    15  	return v.flag&flagRO != 0
    16  }
    17  
    18  var ArrayOf = arrayOf
    19  var CallGC = &callGC
    20  
    21  const PtrSize = ptrSize
    22  const BitsPointer = bitsPointer
    23  const BitsScalar = bitsScalar
    24  
    25  func FuncLayout(t Type, rcvr Type) (frametype Type, argSize, retOffset uintptr, stack []byte) {
    26  	var ft *rtype
    27  	var s *bitVector
    28  	if rcvr != nil {
    29  		ft, argSize, retOffset, s = funcLayout(t.(*rtype), rcvr.(*rtype))
    30  	} else {
    31  		ft, argSize, retOffset, s = funcLayout(t.(*rtype), nil)
    32  	}
    33  	frametype = ft
    34  	for i := uint32(0); i < s.n; i += 2 {
    35  		stack = append(stack, s.data[i/8]>>(i%8)&3)
    36  	}
    37  	return
    38  }