rm unused code (phi, abi.Name)
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@@ -456,157 +456,4 @@ func addChecked(p unsafe.Pointer, x uintptr, whySafe string) unsafe.Pointer {
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return unsafe.Pointer(uintptr(p) + x)
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}
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/*
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// Name is an encoded type Name with optional extra data.
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//
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// The first byte is a bit field containing:
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//
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// 1<<0 the name is exported
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// 1<<1 tag data follows the name
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// 1<<2 pkgPath nameOff follows the name and tag
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// 1<<3 the name is of an embedded (a.k.a. anonymous) field
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//
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// Following that, there is a varint-encoded length of the name,
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// followed by the name itself.
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//
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// If tag data is present, it also has a varint-encoded length
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// followed by the tag itself.
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//
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// If the import path follows, then 4 bytes at the end of
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// the data form a nameOff. The import path is only set for concrete
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// methods that are defined in a different package than their type.
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//
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// If a name starts with "*", then the exported bit represents
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// whether the pointed to type is exported.
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//
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// Note: this encoding must match here and in:
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// cmd/compile/internal/reflectdata/reflect.go
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// cmd/link/internal/ld/decodesym.go
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type Name struct {
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Bytes *byte
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}
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// DataChecked does pointer arithmetic on n's Bytes, and that arithmetic is asserted to
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// be safe for the reason in whySafe (which can appear in a backtrace, etc.)
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func (n Name) DataChecked(off int, whySafe string) *byte {
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return (*byte)(addChecked(unsafe.Pointer(n.Bytes), uintptr(off), whySafe))
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}
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// Data does pointer arithmetic on n's Bytes, and that arithmetic is asserted to
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// be safe because the runtime made the call (other packages use DataChecked)
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func (n Name) Data(off int) *byte {
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return (*byte)(addChecked(unsafe.Pointer(n.Bytes), uintptr(off), "the runtime doesn't need to give you a reason"))
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}
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// IsExported returns "is n exported?"
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func (n Name) IsExported() bool {
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return (*n.Bytes)&(1<<0) != 0
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}
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// HasTag returns true iff there is tag data following this name
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func (n Name) HasTag() bool {
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return (*n.Bytes)&(1<<1) != 0
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}
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// IsEmbedded returns true iff n is embedded (an anonymous field).
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func (n Name) IsEmbedded() bool {
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return (*n.Bytes)&(1<<3) != 0
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}
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// ReadVarint parses a varint as encoded by encoding/binary.
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// It returns the number of encoded bytes and the encoded value.
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func (n Name) ReadVarint(off int) (int, int) {
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v := 0
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for i := 0; ; i++ {
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x := *n.DataChecked(off+i, "read varint")
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v += int(x&0x7f) << (7 * i)
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if x&0x80 == 0 {
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return i + 1, v
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}
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}
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}
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// IsBlank indicates whether n is "_".
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func (n Name) IsBlank() bool {
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if n.Bytes == nil {
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return false
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}
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_, l := n.ReadVarint(1)
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return l == 1 && *n.Data(2) == '_'
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}
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// writeVarint writes n to buf in varint form. Returns the
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// number of bytes written. n must be nonnegative.
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// Writes at most 10 bytes.
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func writeVarint(buf []byte, n int) int {
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for i := 0; ; i++ {
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b := byte(n & 0x7f)
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n >>= 7
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if n == 0 {
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buf[i] = b
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return i + 1
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}
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buf[i] = b | 0x80
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}
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}
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// Name returns the tag string for n, or empty if there is none.
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func (n Name) Name() string {
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if n.Bytes == nil {
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return ""
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}
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i, l := n.ReadVarint(1)
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return unsafe.String(n.DataChecked(1+i, "non-empty string"), l)
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}
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// Tag returns the tag string for n, or empty if there is none.
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func (n Name) Tag() string {
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if !n.HasTag() {
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return ""
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}
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i, l := n.ReadVarint(1)
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i2, l2 := n.ReadVarint(1 + i + l)
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return unsafe.String(n.DataChecked(1+i+l+i2, "non-empty string"), l2)
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}
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func NewName(n, tag string, exported, embedded bool) Name {
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if len(n) >= 1<<29 {
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panic("abi.NewName: name too long: " + n[:1024] + "...")
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}
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if len(tag) >= 1<<29 {
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panic("abi.NewName: tag too long: " + tag[:1024] + "...")
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}
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var nameLen [10]byte
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var tagLen [10]byte
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nameLenLen := writeVarint(nameLen[:], len(n))
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tagLenLen := writeVarint(tagLen[:], len(tag))
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var bits byte
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l := 1 + nameLenLen + len(n)
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if exported {
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bits |= 1 << 0
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}
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if len(tag) > 0 {
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l += tagLenLen + len(tag)
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bits |= 1 << 1
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}
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if embedded {
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bits |= 1 << 3
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}
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b := make([]byte, l)
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b[0] = bits
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copy(b[1:], nameLen[:nameLenLen])
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copy(b[1+nameLenLen:], n)
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if len(tag) > 0 {
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tb := b[1+nameLenLen+len(n):]
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copy(tb, tagLen[:tagLenLen])
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copy(tb[tagLenLen:], tag)
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}
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return Name{Bytes: &b[0]}
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}
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*/
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// -----------------------------------------------------------------------------
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