Unverified Commit d0444fcb authored by Hanzei's avatar Hanzei Committed by GitHub
Browse files

Update dependencies (#82)

parent b8b73a35
...@@ -2,29 +2,38 @@ ...@@ -2,29 +2,38 @@
[[projects]] [[projects]]
digest = "1:ffe9824d294da03b391f44e1ae8281281b4afc1bdaa9588c9097785e3af10cec"
name = "github.com/davecgh/go-spew" name = "github.com/davecgh/go-spew"
packages = ["spew"] packages = ["spew"]
revision = "346938d642f2ec3594ed81d874461961cd0faa76" pruneopts = "NUT"
version = "v1.1.0" revision = "8991bc29aa16c548c550c7ff78260e27b9ab7c73"
version = "v1.1.1"
[[projects]] [[projects]]
digest = "1:0028cb19b2e4c3112225cd871870f2d9cf49b9b4276531f03438a88e94be86fe"
name = "github.com/pmezard/go-difflib" name = "github.com/pmezard/go-difflib"
packages = ["difflib"] packages = ["difflib"]
pruneopts = "NUT"
revision = "792786c7400a136282c1664665ae0a8db921c6c2" revision = "792786c7400a136282c1664665ae0a8db921c6c2"
version = "v1.0.0" version = "v1.0.0"
[[projects]] [[projects]]
digest = "1:0331452965d8695c0a5633e0f509012987681a654f388f2ad0c3b2d7f7004b1c"
name = "github.com/stretchr/testify" name = "github.com/stretchr/testify"
packages = [ packages = [
"assert", "assert",
"require" "require",
] ]
pruneopts = "NUT"
revision = "f35b8ab0b5a2cef36673838d662e249dd9c94686" revision = "f35b8ab0b5a2cef36673838d662e249dd9c94686"
version = "v1.2.2" version = "v1.2.2"
[solve-meta] [solve-meta]
analyzer-name = "dep" analyzer-name = "dep"
analyzer-version = 1 analyzer-version = 1
inputs-digest = "2d160a7dea4ffd13c6c31dab40373822f9d78c73beba016d662bef8f7a998876" input-imports = [
"github.com/stretchr/testify/assert",
"github.com/stretchr/testify/require",
]
solver-name = "gps-cdcl" solver-name = "gps-cdcl"
solver-version = 1 solver-version = 1
...@@ -2,7 +2,7 @@ ISC License ...@@ -2,7 +2,7 @@ ISC License
Copyright (c) 2012-2016 Dave Collins <dave@davec.name> Copyright (c) 2012-2016 Dave Collins <dave@davec.name>
Permission to use, copy, modify, and distribute this software for any Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies. copyright notice and this permission notice appear in all copies.
......
...@@ -16,7 +16,9 @@ ...@@ -16,7 +16,9 @@
// when the code is not running on Google App Engine, compiled by GopherJS, and // when the code is not running on Google App Engine, compiled by GopherJS, and
// "-tags safe" is not added to the go build command line. The "disableunsafe" // "-tags safe" is not added to the go build command line. The "disableunsafe"
// tag is deprecated and thus should not be used. // tag is deprecated and thus should not be used.
// +build !js,!appengine,!safe,!disableunsafe // Go versions prior to 1.4 are disabled because they use a different layout
// for interfaces which make the implementation of unsafeReflectValue more complex.
// +build !js,!appengine,!safe,!disableunsafe,go1.4
package spew package spew
...@@ -34,80 +36,49 @@ const ( ...@@ -34,80 +36,49 @@ const (
ptrSize = unsafe.Sizeof((*byte)(nil)) ptrSize = unsafe.Sizeof((*byte)(nil))
) )
type flag uintptr
var ( var (
// offsetPtr, offsetScalar, and offsetFlag are the offsets for the // flagRO indicates whether the value field of a reflect.Value
// internal reflect.Value fields. These values are valid before golang // is read-only.
// commit ecccf07e7f9d which changed the format. The are also valid flagRO flag
// after commit 82f48826c6c7 which changed the format again to mirror
// the original format. Code in the init function updates these offsets // flagAddr indicates whether the address of the reflect.Value's
// as necessary. // value may be taken.
offsetPtr = uintptr(ptrSize) flagAddr flag
offsetScalar = uintptr(0)
offsetFlag = uintptr(ptrSize * 2)
// flagKindWidth and flagKindShift indicate various bits that the
// reflect package uses internally to track kind information.
//
// flagRO indicates whether or not the value field of a reflect.Value is
// read-only.
//
// flagIndir indicates whether the value field of a reflect.Value is
// the actual data or a pointer to the data.
//
// These values are valid before golang commit 90a7c3c86944 which
// changed their positions. Code in the init function updates these
// flags as necessary.
flagKindWidth = uintptr(5)
flagKindShift = uintptr(flagKindWidth - 1)
flagRO = uintptr(1 << 0)
flagIndir = uintptr(1 << 1)
) )
func init() { // flagKindMask holds the bits that make up the kind
// Older versions of reflect.Value stored small integers directly in the // part of the flags field. In all the supported versions,
// ptr field (which is named val in the older versions). Versions // it is in the lower 5 bits.
// between commits ecccf07e7f9d and 82f48826c6c7 added a new field named const flagKindMask = flag(0x1f)
// scalar for this purpose which unfortunately came before the flag
// field, so the offset of the flag field is different for those
// versions.
//
// This code constructs a new reflect.Value from a known small integer
// and checks if the size of the reflect.Value struct indicates it has
// the scalar field. When it does, the offsets are updated accordingly.
vv := reflect.ValueOf(0xf00)
if unsafe.Sizeof(vv) == (ptrSize * 4) {
offsetScalar = ptrSize * 2
offsetFlag = ptrSize * 3
}
// Commit 90a7c3c86944 changed the flag positions such that the low // Different versions of Go have used different
// order bits are the kind. This code extracts the kind from the flags // bit layouts for the flags type. This table
// field and ensures it's the correct type. When it's not, the flag // records the known combinations.
// order has been changed to the newer format, so the flags are updated var okFlags = []struct {
// accordingly. ro, addr flag
upf := unsafe.Pointer(uintptr(unsafe.Pointer(&vv)) + offsetFlag) }{{
upfv := *(*uintptr)(upf) // From Go 1.4 to 1.5
flagKindMask := uintptr((1<<flagKindWidth - 1) << flagKindShift) ro: 1 << 5,
if (upfv&flagKindMask)>>flagKindShift != uintptr(reflect.Int) { addr: 1 << 7,
flagKindShift = 0 }, {
flagRO = 1 << 5 // Up to Go tip.
flagIndir = 1 << 6 ro: 1<<5 | 1<<6,
addr: 1 << 8,
// Commit adf9b30e5594 modified the flags to separate the }}
// flagRO flag into two bits which specifies whether or not the
// field is embedded. This causes flagIndir to move over a bit var flagValOffset = func() uintptr {
// and means that flagRO is the combination of either of the field, ok := reflect.TypeOf(reflect.Value{}).FieldByName("flag")
// original flagRO bit and the new bit. if !ok {
// panic("reflect.Value has no flag field")
// This code detects the change by extracting what used to be
// the indirect bit to ensure it's set. When it's not, the flag
// order has been changed to the newer format, so the flags are
// updated accordingly.
if upfv&flagIndir == 0 {
flagRO = 3 << 5
flagIndir = 1 << 7
}
} }
return field.Offset
}()
// flagField returns a pointer to the flag field of a reflect.Value.
func flagField(v *reflect.Value) *flag {
return (*flag)(unsafe.Pointer(uintptr(unsafe.Pointer(v)) + flagValOffset))
} }
// unsafeReflectValue converts the passed reflect.Value into a one that bypasses // unsafeReflectValue converts the passed reflect.Value into a one that bypasses
...@@ -119,34 +90,56 @@ func init() { ...@@ -119,34 +90,56 @@ func init() {
// This allows us to check for implementations of the Stringer and error // This allows us to check for implementations of the Stringer and error
// interfaces to be used for pretty printing ordinarily unaddressable and // interfaces to be used for pretty printing ordinarily unaddressable and
// inaccessible values such as unexported struct fields. // inaccessible values such as unexported struct fields.
func unsafeReflectValue(v reflect.Value) (rv reflect.Value) { func unsafeReflectValue(v reflect.Value) reflect.Value {
indirects := 1 if !v.IsValid() || (v.CanInterface() && v.CanAddr()) {
vt := v.Type() return v
upv := unsafe.Pointer(uintptr(unsafe.Pointer(&v)) + offsetPtr)
rvf := *(*uintptr)(unsafe.Pointer(uintptr(unsafe.Pointer(&v)) + offsetFlag))
if rvf&flagIndir != 0 {
vt = reflect.PtrTo(v.Type())
indirects++
} else if offsetScalar != 0 {
// The value is in the scalar field when it's not one of the
// reference types.
switch vt.Kind() {
case reflect.Uintptr:
case reflect.Chan:
case reflect.Func:
case reflect.Map:
case reflect.Ptr:
case reflect.UnsafePointer:
default:
upv = unsafe.Pointer(uintptr(unsafe.Pointer(&v)) +
offsetScalar)
} }
flagFieldPtr := flagField(&v)
*flagFieldPtr &^= flagRO
*flagFieldPtr |= flagAddr
return v
}
// Sanity checks against future reflect package changes
// to the type or semantics of the Value.flag field.
func init() {
field, ok := reflect.TypeOf(reflect.Value{}).FieldByName("flag")
if !ok {
panic("reflect.Value has no flag field")
}
if field.Type.Kind() != reflect.TypeOf(flag(0)).Kind() {
panic("reflect.Value flag field has changed kind")
}
type t0 int
var t struct {
A t0
// t0 will have flagEmbedRO set.
t0
// a will have flagStickyRO set
a t0
} }
vA := reflect.ValueOf(t).FieldByName("A")
va := reflect.ValueOf(t).FieldByName("a")
vt0 := reflect.ValueOf(t).FieldByName("t0")
pv := reflect.NewAt(vt, upv) // Infer flagRO from the difference between the flags
rv = pv // for the (otherwise identical) fields in t.
for i := 0; i < indirects; i++ { flagPublic := *flagField(&vA)
rv = rv.Elem() flagWithRO := *flagField(&va) | *flagField(&vt0)
flagRO = flagPublic ^ flagWithRO
// Infer flagAddr from the difference between a value
// taken from a pointer and not.
vPtrA := reflect.ValueOf(&t).Elem().FieldByName("A")
flagNoPtr := *flagField(&vA)
flagPtr := *flagField(&vPtrA)
flagAddr = flagNoPtr ^ flagPtr
// Check that the inferred flags tally with one of the known versions.
for _, f := range okFlags {
if flagRO == f.ro && flagAddr == f.addr {
return
}
} }
return rv panic("reflect.Value read-only flag has changed semantics")
} }
...@@ -16,7 +16,7 @@ ...@@ -16,7 +16,7 @@
// when the code is running on Google App Engine, compiled by GopherJS, or // when the code is running on Google App Engine, compiled by GopherJS, or
// "-tags safe" is added to the go build command line. The "disableunsafe" // "-tags safe" is added to the go build command line. The "disableunsafe"
// tag is deprecated and thus should not be used. // tag is deprecated and thus should not be used.
// +build js appengine safe disableunsafe // +build js appengine safe disableunsafe !go1.4
package spew package spew
......
...@@ -180,7 +180,7 @@ func printComplex(w io.Writer, c complex128, floatPrecision int) { ...@@ -180,7 +180,7 @@ func printComplex(w io.Writer, c complex128, floatPrecision int) {
w.Write(closeParenBytes) w.Write(closeParenBytes)
} }
// printHexPtr outputs a uintptr formatted as hexidecimal with a leading '0x' // printHexPtr outputs a uintptr formatted as hexadecimal with a leading '0x'
// prefix to Writer w. // prefix to Writer w.
func printHexPtr(w io.Writer, p uintptr) { func printHexPtr(w io.Writer, p uintptr) {
// Null pointer. // Null pointer.
......
...@@ -35,16 +35,16 @@ var ( ...@@ -35,16 +35,16 @@ var (
// cCharRE is a regular expression that matches a cgo char. // cCharRE is a regular expression that matches a cgo char.
// It is used to detect character arrays to hexdump them. // It is used to detect character arrays to hexdump them.
cCharRE = regexp.MustCompile("^.*\\._Ctype_char$") cCharRE = regexp.MustCompile(`^.*\._Ctype_char$`)
// cUnsignedCharRE is a regular expression that matches a cgo unsigned // cUnsignedCharRE is a regular expression that matches a cgo unsigned
// char. It is used to detect unsigned character arrays to hexdump // char. It is used to detect unsigned character arrays to hexdump
// them. // them.
cUnsignedCharRE = regexp.MustCompile("^.*\\._Ctype_unsignedchar$") cUnsignedCharRE = regexp.MustCompile(`^.*\._Ctype_unsignedchar$`)
// cUint8tCharRE is a regular expression that matches a cgo uint8_t. // cUint8tCharRE is a regular expression that matches a cgo uint8_t.
// It is used to detect uint8_t arrays to hexdump them. // It is used to detect uint8_t arrays to hexdump them.
cUint8tCharRE = regexp.MustCompile("^.*\\._Ctype_uint8_t$") cUint8tCharRE = regexp.MustCompile(`^.*\._Ctype_uint8_t$`)
) )
// dumpState contains information about the state of a dump operation. // dumpState contains information about the state of a dump operation.
...@@ -143,10 +143,10 @@ func (d *dumpState) dumpPtr(v reflect.Value) { ...@@ -143,10 +143,10 @@ func (d *dumpState) dumpPtr(v reflect.Value) {
// Display dereferenced value. // Display dereferenced value.
d.w.Write(openParenBytes) d.w.Write(openParenBytes)
switch { switch {
case nilFound == true: case nilFound:
d.w.Write(nilAngleBytes) d.w.Write(nilAngleBytes)
case cycleFound == true: case cycleFound:
d.w.Write(circularBytes) d.w.Write(circularBytes)
default: default:
......
...@@ -182,10 +182,10 @@ func (f *formatState) formatPtr(v reflect.Value) { ...@@ -182,10 +182,10 @@ func (f *formatState) formatPtr(v reflect.Value) {
// Display dereferenced value. // Display dereferenced value.
switch { switch {
case nilFound == true: case nilFound:
f.fs.Write(nilAngleBytes) f.fs.Write(nilAngleBytes)
case cycleFound == true: case cycleFound:
f.fs.Write(circularShortBytes) f.fs.Write(circularShortBytes)
default: default:
......
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