libgo: update to go1.8rc3
Reviewed-on: https://go-review.googlesource.com/35844 From-SVN: r244981
This commit is contained in:
parent
3f54004b09
commit
42f20102ef
@ -1,4 +1,4 @@
|
||||
59f181b6fda68ece22882945853ca2df9dbf1c88
|
||||
2a5f65a98ca483aad2dd74dc2636a7baecc59cf2
|
||||
|
||||
The first line of this file holds the git revision number of the
|
||||
last merge done from the master library sources.
|
||||
|
@ -1 +1 @@
|
||||
go1.8rc2
|
||||
go1.8rc3
|
||||
|
@ -3787,3 +3787,26 @@ GLOBL ·constants<>(SB),8,$8
|
||||
tg.setenv("GOPATH", tg.path("go"))
|
||||
tg.run("build", "p")
|
||||
}
|
||||
|
||||
// Issue 18778.
|
||||
func TestDotDotDotOutsideGOPATH(t *testing.T) {
|
||||
tg := testgo(t)
|
||||
defer tg.cleanup()
|
||||
|
||||
tg.tempFile("pkgs/a.go", `package x`)
|
||||
tg.tempFile("pkgs/a_test.go", `package x_test
|
||||
import "testing"
|
||||
func TestX(t *testing.T) {}`)
|
||||
|
||||
tg.tempFile("pkgs/a/a.go", `package a`)
|
||||
tg.tempFile("pkgs/a/a_test.go", `package a_test
|
||||
import "testing"
|
||||
func TestA(t *testing.T) {}`)
|
||||
|
||||
tg.cd(tg.path("pkgs"))
|
||||
tg.run("build", "./...")
|
||||
tg.run("test", "./...")
|
||||
tg.run("list", "./...")
|
||||
tg.grepStdout("pkgs$", "expected package not listed")
|
||||
tg.grepStdout("pkgs/a", "expected package not listed")
|
||||
}
|
||||
|
@ -433,7 +433,7 @@ func setErrorPos(p *Package, importPos []token.Position) *Package {
|
||||
func cleanImport(path string) string {
|
||||
orig := path
|
||||
path = pathpkg.Clean(path)
|
||||
if strings.HasPrefix(orig, "./") && path != ".." && path != "." && !strings.HasPrefix(path, "../") {
|
||||
if strings.HasPrefix(orig, "./") && path != ".." && !strings.HasPrefix(path, "../") {
|
||||
path = "./" + path
|
||||
}
|
||||
return path
|
||||
|
@ -1357,16 +1357,7 @@ func (db *DB) begin(ctx context.Context, opts *TxOptions, strategy connReuseStra
|
||||
cancel: cancel,
|
||||
ctx: ctx,
|
||||
}
|
||||
go func(tx *Tx) {
|
||||
select {
|
||||
case <-tx.ctx.Done():
|
||||
if !tx.isDone() {
|
||||
// Discard and close the connection used to ensure the transaction
|
||||
// is closed and the resources are released.
|
||||
tx.rollback(true)
|
||||
}
|
||||
}
|
||||
}(tx)
|
||||
go tx.awaitDone()
|
||||
return tx, nil
|
||||
}
|
||||
|
||||
@ -1388,6 +1379,11 @@ func (db *DB) Driver() driver.Driver {
|
||||
type Tx struct {
|
||||
db *DB
|
||||
|
||||
// closemu prevents the transaction from closing while there
|
||||
// is an active query. It is held for read during queries
|
||||
// and exclusively during close.
|
||||
closemu sync.RWMutex
|
||||
|
||||
// dc is owned exclusively until Commit or Rollback, at which point
|
||||
// it's returned with putConn.
|
||||
dc *driverConn
|
||||
@ -1413,6 +1409,20 @@ type Tx struct {
|
||||
ctx context.Context
|
||||
}
|
||||
|
||||
// awaitDone blocks until the context in Tx is canceled and rolls back
|
||||
// the transaction if it's not already done.
|
||||
func (tx *Tx) awaitDone() {
|
||||
// Wait for either the transaction to be committed or rolled
|
||||
// back, or for the associated context to be closed.
|
||||
<-tx.ctx.Done()
|
||||
|
||||
// Discard and close the connection used to ensure the
|
||||
// transaction is closed and the resources are released. This
|
||||
// rollback does nothing if the transaction has already been
|
||||
// committed or rolled back.
|
||||
tx.rollback(true)
|
||||
}
|
||||
|
||||
func (tx *Tx) isDone() bool {
|
||||
return atomic.LoadInt32(&tx.done) != 0
|
||||
}
|
||||
@ -1424,16 +1434,31 @@ var ErrTxDone = errors.New("sql: Transaction has already been committed or rolle
|
||||
// close returns the connection to the pool and
|
||||
// must only be called by Tx.rollback or Tx.Commit.
|
||||
func (tx *Tx) close(err error) {
|
||||
tx.closemu.Lock()
|
||||
defer tx.closemu.Unlock()
|
||||
|
||||
tx.db.putConn(tx.dc, err)
|
||||
tx.cancel()
|
||||
tx.dc = nil
|
||||
tx.txi = nil
|
||||
}
|
||||
|
||||
// hookTxGrabConn specifies an optional hook to be called on
|
||||
// a successful call to (*Tx).grabConn. For tests.
|
||||
var hookTxGrabConn func()
|
||||
|
||||
func (tx *Tx) grabConn(ctx context.Context) (*driverConn, error) {
|
||||
select {
|
||||
default:
|
||||
case <-ctx.Done():
|
||||
return nil, ctx.Err()
|
||||
}
|
||||
if tx.isDone() {
|
||||
return nil, ErrTxDone
|
||||
}
|
||||
if hookTxGrabConn != nil { // test hook
|
||||
hookTxGrabConn()
|
||||
}
|
||||
return tx.dc, nil
|
||||
}
|
||||
|
||||
@ -1503,6 +1528,9 @@ func (tx *Tx) Rollback() error {
|
||||
// for the execution of the returned statement. The returned statement
|
||||
// will run in the transaction context.
|
||||
func (tx *Tx) PrepareContext(ctx context.Context, query string) (*Stmt, error) {
|
||||
tx.closemu.RLock()
|
||||
defer tx.closemu.RUnlock()
|
||||
|
||||
// TODO(bradfitz): We could be more efficient here and either
|
||||
// provide a method to take an existing Stmt (created on
|
||||
// perhaps a different Conn), and re-create it on this Conn if
|
||||
@ -1567,6 +1595,9 @@ func (tx *Tx) Prepare(query string) (*Stmt, error) {
|
||||
// The returned statement operates within the transaction and will be closed
|
||||
// when the transaction has been committed or rolled back.
|
||||
func (tx *Tx) StmtContext(ctx context.Context, stmt *Stmt) *Stmt {
|
||||
tx.closemu.RLock()
|
||||
defer tx.closemu.RUnlock()
|
||||
|
||||
// TODO(bradfitz): optimize this. Currently this re-prepares
|
||||
// each time. This is fine for now to illustrate the API but
|
||||
// we should really cache already-prepared statements
|
||||
@ -1618,6 +1649,9 @@ func (tx *Tx) Stmt(stmt *Stmt) *Stmt {
|
||||
// ExecContext executes a query that doesn't return rows.
|
||||
// For example: an INSERT and UPDATE.
|
||||
func (tx *Tx) ExecContext(ctx context.Context, query string, args ...interface{}) (Result, error) {
|
||||
tx.closemu.RLock()
|
||||
defer tx.closemu.RUnlock()
|
||||
|
||||
dc, err := tx.grabConn(ctx)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
@ -1661,6 +1695,9 @@ func (tx *Tx) Exec(query string, args ...interface{}) (Result, error) {
|
||||
|
||||
// QueryContext executes a query that returns rows, typically a SELECT.
|
||||
func (tx *Tx) QueryContext(ctx context.Context, query string, args ...interface{}) (*Rows, error) {
|
||||
tx.closemu.RLock()
|
||||
defer tx.closemu.RUnlock()
|
||||
|
||||
dc, err := tx.grabConn(ctx)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
@ -2038,25 +2075,21 @@ type Rows struct {
|
||||
// closed value is 1 when the Rows is closed.
|
||||
// Use atomic operations on value when checking value.
|
||||
closed int32
|
||||
ctxClose chan struct{} // closed when Rows is closed, may be null.
|
||||
cancel func() // called when Rows is closed, may be nil.
|
||||
lastcols []driver.Value
|
||||
lasterr error // non-nil only if closed is true
|
||||
closeStmt *driverStmt // if non-nil, statement to Close on close
|
||||
}
|
||||
|
||||
func (rs *Rows) initContextClose(ctx context.Context) {
|
||||
if ctx.Done() == context.Background().Done() {
|
||||
return
|
||||
ctx, rs.cancel = context.WithCancel(ctx)
|
||||
go rs.awaitDone(ctx)
|
||||
}
|
||||
|
||||
rs.ctxClose = make(chan struct{})
|
||||
go func() {
|
||||
select {
|
||||
case <-ctx.Done():
|
||||
// awaitDone blocks until the rows are closed or the context canceled.
|
||||
func (rs *Rows) awaitDone(ctx context.Context) {
|
||||
<-ctx.Done()
|
||||
rs.Close()
|
||||
case <-rs.ctxClose:
|
||||
}
|
||||
}()
|
||||
}
|
||||
|
||||
// Next prepares the next result row for reading with the Scan method. It
|
||||
@ -2314,7 +2347,9 @@ func (rs *Rows) Scan(dest ...interface{}) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
var rowsCloseHook func(*Rows, *error)
|
||||
// rowsCloseHook returns a function so tests may install the
|
||||
// hook throug a test only mutex.
|
||||
var rowsCloseHook = func() func(*Rows, *error) { return nil }
|
||||
|
||||
func (rs *Rows) isClosed() bool {
|
||||
return atomic.LoadInt32(&rs.closed) != 0
|
||||
@ -2328,13 +2363,15 @@ func (rs *Rows) Close() error {
|
||||
if !atomic.CompareAndSwapInt32(&rs.closed, 0, 1) {
|
||||
return nil
|
||||
}
|
||||
if rs.ctxClose != nil {
|
||||
close(rs.ctxClose)
|
||||
}
|
||||
|
||||
err := rs.rowsi.Close()
|
||||
if fn := rowsCloseHook; fn != nil {
|
||||
if fn := rowsCloseHook(); fn != nil {
|
||||
fn(rs, &err)
|
||||
}
|
||||
if rs.cancel != nil {
|
||||
rs.cancel()
|
||||
}
|
||||
|
||||
if rs.closeStmt != nil {
|
||||
rs.closeStmt.Close()
|
||||
}
|
||||
|
@ -14,6 +14,7 @@ import (
|
||||
"runtime"
|
||||
"strings"
|
||||
"sync"
|
||||
"sync/atomic"
|
||||
"testing"
|
||||
"time"
|
||||
)
|
||||
@ -326,9 +327,7 @@ func TestQueryContext(t *testing.T) {
|
||||
|
||||
// And verify that the final rows.Next() call, which hit EOF,
|
||||
// also closed the rows connection.
|
||||
if n := db.numFreeConns(); n != 1 {
|
||||
t.Fatalf("free conns after query hitting EOF = %d; want 1", n)
|
||||
}
|
||||
waitForFree(t, db, 5*time.Second, 1)
|
||||
if prepares := numPrepares(t, db) - prepares0; prepares != 1 {
|
||||
t.Errorf("executed %d Prepare statements; want 1", prepares)
|
||||
}
|
||||
@ -345,6 +344,18 @@ func waitCondition(waitFor, checkEvery time.Duration, fn func() bool) bool {
|
||||
return false
|
||||
}
|
||||
|
||||
// waitForFree checks db.numFreeConns until either it equals want or
|
||||
// the maxWait time elapses.
|
||||
func waitForFree(t *testing.T, db *DB, maxWait time.Duration, want int) {
|
||||
var numFree int
|
||||
if !waitCondition(maxWait, 5*time.Millisecond, func() bool {
|
||||
numFree = db.numFreeConns()
|
||||
return numFree == want
|
||||
}) {
|
||||
t.Fatalf("free conns after hitting EOF = %d; want %d", numFree, want)
|
||||
}
|
||||
}
|
||||
|
||||
func TestQueryContextWait(t *testing.T) {
|
||||
db := newTestDB(t, "people")
|
||||
defer closeDB(t, db)
|
||||
@ -361,9 +372,7 @@ func TestQueryContextWait(t *testing.T) {
|
||||
}
|
||||
|
||||
// Verify closed rows connection after error condition.
|
||||
if n := db.numFreeConns(); n != 1 {
|
||||
t.Fatalf("free conns after query hitting EOF = %d; want 1", n)
|
||||
}
|
||||
waitForFree(t, db, 5*time.Second, 1)
|
||||
if prepares := numPrepares(t, db) - prepares0; prepares != 1 {
|
||||
t.Errorf("executed %d Prepare statements; want 1", prepares)
|
||||
}
|
||||
@ -388,13 +397,7 @@ func TestTxContextWait(t *testing.T) {
|
||||
t.Fatalf("expected QueryContext to error with context deadline exceeded but returned %v", err)
|
||||
}
|
||||
|
||||
var numFree int
|
||||
if !waitCondition(5*time.Second, 5*time.Millisecond, func() bool {
|
||||
numFree = db.numFreeConns()
|
||||
return numFree == 0
|
||||
}) {
|
||||
t.Fatalf("free conns after hitting EOF = %d; want 0", numFree)
|
||||
}
|
||||
waitForFree(t, db, 5*time.Second, 0)
|
||||
|
||||
// Ensure the dropped connection allows more connections to be made.
|
||||
// Checked on DB Close.
|
||||
@ -471,9 +474,7 @@ func TestMultiResultSetQuery(t *testing.T) {
|
||||
|
||||
// And verify that the final rows.Next() call, which hit EOF,
|
||||
// also closed the rows connection.
|
||||
if n := db.numFreeConns(); n != 1 {
|
||||
t.Fatalf("free conns after query hitting EOF = %d; want 1", n)
|
||||
}
|
||||
waitForFree(t, db, 5*time.Second, 1)
|
||||
if prepares := numPrepares(t, db) - prepares0; prepares != 1 {
|
||||
t.Errorf("executed %d Prepare statements; want 1", prepares)
|
||||
}
|
||||
@ -1135,6 +1136,24 @@ func TestQueryRowClosingStmt(t *testing.T) {
|
||||
}
|
||||
}
|
||||
|
||||
var atomicRowsCloseHook atomic.Value // of func(*Rows, *error)
|
||||
|
||||
func init() {
|
||||
rowsCloseHook = func() func(*Rows, *error) {
|
||||
fn, _ := atomicRowsCloseHook.Load().(func(*Rows, *error))
|
||||
return fn
|
||||
}
|
||||
}
|
||||
|
||||
func setRowsCloseHook(fn func(*Rows, *error)) {
|
||||
if fn == nil {
|
||||
// Can't change an atomic.Value back to nil, so set it to this
|
||||
// no-op func instead.
|
||||
fn = func(*Rows, *error) {}
|
||||
}
|
||||
atomicRowsCloseHook.Store(fn)
|
||||
}
|
||||
|
||||
// Test issue 6651
|
||||
func TestIssue6651(t *testing.T) {
|
||||
db := newTestDB(t, "people")
|
||||
@ -1147,6 +1166,7 @@ func TestIssue6651(t *testing.T) {
|
||||
return fmt.Errorf(want)
|
||||
}
|
||||
defer func() { rowsCursorNextHook = nil }()
|
||||
|
||||
err := db.QueryRow("SELECT|people|name|").Scan(&v)
|
||||
if err == nil || err.Error() != want {
|
||||
t.Errorf("error = %q; want %q", err, want)
|
||||
@ -1154,10 +1174,10 @@ func TestIssue6651(t *testing.T) {
|
||||
rowsCursorNextHook = nil
|
||||
|
||||
want = "error in rows.Close"
|
||||
rowsCloseHook = func(rows *Rows, err *error) {
|
||||
setRowsCloseHook(func(rows *Rows, err *error) {
|
||||
*err = fmt.Errorf(want)
|
||||
}
|
||||
defer func() { rowsCloseHook = nil }()
|
||||
})
|
||||
defer setRowsCloseHook(nil)
|
||||
err = db.QueryRow("SELECT|people|name|").Scan(&v)
|
||||
if err == nil || err.Error() != want {
|
||||
t.Errorf("error = %q; want %q", err, want)
|
||||
@ -1830,7 +1850,9 @@ func TestStmtCloseDeps(t *testing.T) {
|
||||
db.dumpDeps(t)
|
||||
}
|
||||
|
||||
if len(stmt.css) > nquery {
|
||||
if !waitCondition(5*time.Second, 5*time.Millisecond, func() bool {
|
||||
return len(stmt.css) <= nquery
|
||||
}) {
|
||||
t.Errorf("len(stmt.css) = %d; want <= %d", len(stmt.css), nquery)
|
||||
}
|
||||
|
||||
@ -2576,10 +2598,10 @@ func TestIssue6081(t *testing.T) {
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
rowsCloseHook = func(rows *Rows, err *error) {
|
||||
setRowsCloseHook(func(rows *Rows, err *error) {
|
||||
*err = driver.ErrBadConn
|
||||
}
|
||||
defer func() { rowsCloseHook = nil }()
|
||||
})
|
||||
defer setRowsCloseHook(nil)
|
||||
for i := 0; i < 10; i++ {
|
||||
rows, err := stmt.Query()
|
||||
if err != nil {
|
||||
@ -2642,7 +2664,10 @@ func TestIssue18429(t *testing.T) {
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
rows, err := tx.QueryContext(ctx, "WAIT|"+qwait+"|SELECT|people|name|")
|
||||
// This is expected to give a cancel error many, but not all the time.
|
||||
// Test failure will happen with a panic or other race condition being
|
||||
// reported.
|
||||
rows, _ := tx.QueryContext(ctx, "WAIT|"+qwait+"|SELECT|people|name|")
|
||||
if rows != nil {
|
||||
rows.Close()
|
||||
}
|
||||
@ -2655,6 +2680,56 @@ func TestIssue18429(t *testing.T) {
|
||||
time.Sleep(milliWait * 3 * time.Millisecond)
|
||||
}
|
||||
|
||||
// TestIssue18719 closes the context right before use. The sql.driverConn
|
||||
// will nil out the ci on close in a lock, but if another process uses it right after
|
||||
// it will panic with on the nil ref.
|
||||
//
|
||||
// See https://golang.org/cl/35550 .
|
||||
func TestIssue18719(t *testing.T) {
|
||||
db := newTestDB(t, "people")
|
||||
defer closeDB(t, db)
|
||||
|
||||
ctx, cancel := context.WithCancel(context.Background())
|
||||
defer cancel()
|
||||
|
||||
tx, err := db.BeginTx(ctx, nil)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
hookTxGrabConn = func() {
|
||||
cancel()
|
||||
|
||||
// Wait for the context to cancel and tx to rollback.
|
||||
for tx.isDone() == false {
|
||||
time.Sleep(time.Millisecond * 3)
|
||||
}
|
||||
}
|
||||
defer func() { hookTxGrabConn = nil }()
|
||||
|
||||
// This call will grab the connection and cancel the context
|
||||
// after it has done so. Code after must deal with the canceled state.
|
||||
rows, err := tx.QueryContext(ctx, "SELECT|people|name|")
|
||||
if err != nil {
|
||||
rows.Close()
|
||||
t.Fatalf("expected error %v but got %v", nil, err)
|
||||
}
|
||||
|
||||
// Rows may be ignored because it will be closed when the context is canceled.
|
||||
|
||||
// Do not explicitly rollback. The rollback will happen from the
|
||||
// canceled context.
|
||||
|
||||
// Wait for connections to return to pool.
|
||||
var numOpen int
|
||||
if !waitCondition(5*time.Second, 5*time.Millisecond, func() bool {
|
||||
numOpen = db.numOpenConns()
|
||||
return numOpen == 0
|
||||
}) {
|
||||
t.Fatalf("open conns after hitting EOF = %d; want 0", numOpen)
|
||||
}
|
||||
}
|
||||
|
||||
func TestConcurrency(t *testing.T) {
|
||||
doConcurrentTest(t, new(concurrentDBQueryTest))
|
||||
doConcurrentTest(t, new(concurrentDBExecTest))
|
||||
|
@ -733,7 +733,7 @@ func (p *printer) expr1(expr ast.Expr, prec1, depth int) {
|
||||
|
||||
case *ast.FuncLit:
|
||||
p.expr(x.Type)
|
||||
p.adjBlock(p.distanceFrom(x.Type.Pos()), blank, x.Body)
|
||||
p.funcBody(p.distanceFrom(x.Type.Pos()), blank, x.Body)
|
||||
|
||||
case *ast.ParenExpr:
|
||||
if _, hasParens := x.X.(*ast.ParenExpr); hasParens {
|
||||
@ -825,6 +825,7 @@ func (p *printer) expr1(expr ast.Expr, prec1, depth int) {
|
||||
if x.Type != nil {
|
||||
p.expr1(x.Type, token.HighestPrec, depth)
|
||||
}
|
||||
p.level++
|
||||
p.print(x.Lbrace, token.LBRACE)
|
||||
p.exprList(x.Lbrace, x.Elts, 1, commaTerm, x.Rbrace)
|
||||
// do not insert extra line break following a /*-style comment
|
||||
@ -837,6 +838,7 @@ func (p *printer) expr1(expr ast.Expr, prec1, depth int) {
|
||||
mode |= noExtraBlank
|
||||
}
|
||||
p.print(mode, x.Rbrace, token.RBRACE, mode)
|
||||
p.level--
|
||||
|
||||
case *ast.Ellipsis:
|
||||
p.print(token.ELLIPSIS)
|
||||
@ -1557,18 +1559,23 @@ func (p *printer) bodySize(b *ast.BlockStmt, maxSize int) int {
|
||||
return bodySize
|
||||
}
|
||||
|
||||
// adjBlock prints an "adjacent" block (e.g., a for-loop or function body) following
|
||||
// a header (e.g., a for-loop control clause or function signature) of given headerSize.
|
||||
// funcBody prints a function body following a function header of given headerSize.
|
||||
// If the header's and block's size are "small enough" and the block is "simple enough",
|
||||
// the block is printed on the current line, without line breaks, spaced from the header
|
||||
// by sep. Otherwise the block's opening "{" is printed on the current line, followed by
|
||||
// lines for the block's statements and its closing "}".
|
||||
//
|
||||
func (p *printer) adjBlock(headerSize int, sep whiteSpace, b *ast.BlockStmt) {
|
||||
func (p *printer) funcBody(headerSize int, sep whiteSpace, b *ast.BlockStmt) {
|
||||
if b == nil {
|
||||
return
|
||||
}
|
||||
|
||||
// save/restore composite literal nesting level
|
||||
defer func(level int) {
|
||||
p.level = level
|
||||
}(p.level)
|
||||
p.level = 0
|
||||
|
||||
const maxSize = 100
|
||||
if headerSize+p.bodySize(b, maxSize) <= maxSize {
|
||||
p.print(sep, b.Lbrace, token.LBRACE)
|
||||
@ -1613,7 +1620,7 @@ func (p *printer) funcDecl(d *ast.FuncDecl) {
|
||||
}
|
||||
p.expr(d.Name)
|
||||
p.signature(d.Type.Params, d.Type.Results)
|
||||
p.adjBlock(p.distanceFrom(d.Pos()), vtab, d.Body)
|
||||
p.funcBody(p.distanceFrom(d.Pos()), vtab, d.Body)
|
||||
}
|
||||
|
||||
func (p *printer) decl(decl ast.Decl) {
|
||||
|
@ -58,6 +58,7 @@ type printer struct {
|
||||
// Current state
|
||||
output []byte // raw printer result
|
||||
indent int // current indentation
|
||||
level int // level == 0: outside composite literal; level > 0: inside composite literal
|
||||
mode pmode // current printer mode
|
||||
impliedSemi bool // if set, a linebreak implies a semicolon
|
||||
lastTok token.Token // last token printed (token.ILLEGAL if it's whitespace)
|
||||
@ -744,15 +745,19 @@ func (p *printer) intersperseComments(next token.Position, tok token.Token) (wro
|
||||
// follows on the same line but is not a comma, and not a "closing"
|
||||
// token immediately following its corresponding "opening" token,
|
||||
// add an extra separator unless explicitly disabled. Use a blank
|
||||
// as separator unless we have pending linebreaks and they are not
|
||||
// disabled, in which case we want a linebreak (issue 15137).
|
||||
// as separator unless we have pending linebreaks, they are not
|
||||
// disabled, and we are outside a composite literal, in which case
|
||||
// we want a linebreak (issue 15137).
|
||||
// TODO(gri) This has become overly complicated. We should be able
|
||||
// to track whether we're inside an expression or statement and
|
||||
// use that information to decide more directly.
|
||||
needsLinebreak := false
|
||||
if p.mode&noExtraBlank == 0 &&
|
||||
last.Text[1] == '*' && p.lineFor(last.Pos()) == next.Line &&
|
||||
tok != token.COMMA &&
|
||||
(tok != token.RPAREN || p.prevOpen == token.LPAREN) &&
|
||||
(tok != token.RBRACK || p.prevOpen == token.LBRACK) {
|
||||
if p.containsLinebreak() && p.mode&noExtraLinebreak == 0 {
|
||||
if p.containsLinebreak() && p.mode&noExtraLinebreak == 0 && p.level == 0 {
|
||||
needsLinebreak = true
|
||||
} else {
|
||||
p.writeByte(' ', 1)
|
||||
|
59
libgo/go/go/printer/testdata/comments2.golden
vendored
59
libgo/go/go/printer/testdata/comments2.golden
vendored
@ -103,3 +103,62 @@ label:
|
||||
mask := uint64(1)<<c - 1 // Allocation mask
|
||||
used := atomic.LoadUint64(&h.used) // Current allocations
|
||||
}
|
||||
|
||||
// Test cases for issue 18782
|
||||
var _ = [][]int{
|
||||
/* a, b, c, d, e */
|
||||
/* a */ {0, 0, 0, 0, 0},
|
||||
/* b */ {0, 5, 4, 4, 4},
|
||||
/* c */ {0, 4, 5, 4, 4},
|
||||
/* d */ {0, 4, 4, 5, 4},
|
||||
/* e */ {0, 4, 4, 4, 5},
|
||||
}
|
||||
|
||||
var _ = T{ /* a */ 0}
|
||||
|
||||
var _ = T{ /* a */ /* b */ 0}
|
||||
|
||||
var _ = T{ /* a */ /* b */
|
||||
/* c */ 0,
|
||||
}
|
||||
|
||||
var _ = T{ /* a */ /* b */
|
||||
/* c */
|
||||
/* d */ 0,
|
||||
}
|
||||
|
||||
var _ = T{
|
||||
/* a */
|
||||
/* b */ 0,
|
||||
}
|
||||
|
||||
var _ = T{ /* a */ {}}
|
||||
|
||||
var _ = T{ /* a */ /* b */ {}}
|
||||
|
||||
var _ = T{ /* a */ /* b */
|
||||
/* c */ {},
|
||||
}
|
||||
|
||||
var _ = T{ /* a */ /* b */
|
||||
/* c */
|
||||
/* d */ {},
|
||||
}
|
||||
|
||||
var _ = T{
|
||||
/* a */
|
||||
/* b */ {},
|
||||
}
|
||||
|
||||
var _ = []T{
|
||||
func() {
|
||||
var _ = [][]int{
|
||||
/* a, b, c, d, e */
|
||||
/* a */ {0, 0, 0, 0, 0},
|
||||
/* b */ {0, 5, 4, 4, 4},
|
||||
/* c */ {0, 4, 5, 4, 4},
|
||||
/* d */ {0, 4, 4, 5, 4},
|
||||
/* e */ {0, 4, 4, 4, 5},
|
||||
}
|
||||
},
|
||||
}
|
||||
|
63
libgo/go/go/printer/testdata/comments2.input
vendored
63
libgo/go/go/printer/testdata/comments2.input
vendored
@ -103,3 +103,66 @@ label:
|
||||
mask := uint64(1)<<c - 1 // Allocation mask
|
||||
used := atomic.LoadUint64(&h.used) // Current allocations
|
||||
}
|
||||
|
||||
// Test cases for issue 18782
|
||||
var _ = [][]int{
|
||||
/* a, b, c, d, e */
|
||||
/* a */ {0, 0, 0, 0, 0},
|
||||
/* b */ {0, 5, 4, 4, 4},
|
||||
/* c */ {0, 4, 5, 4, 4},
|
||||
/* d */ {0, 4, 4, 5, 4},
|
||||
/* e */ {0, 4, 4, 4, 5},
|
||||
}
|
||||
|
||||
var _ = T{ /* a */ 0,
|
||||
}
|
||||
|
||||
var _ = T{ /* a */ /* b */ 0,
|
||||
}
|
||||
|
||||
var _ = T{ /* a */ /* b */
|
||||
/* c */ 0,
|
||||
}
|
||||
|
||||
var _ = T{ /* a */ /* b */
|
||||
/* c */
|
||||
/* d */ 0,
|
||||
}
|
||||
|
||||
var _ = T{
|
||||
/* a */
|
||||
/* b */ 0,
|
||||
}
|
||||
|
||||
var _ = T{ /* a */ {},
|
||||
}
|
||||
|
||||
var _ = T{ /* a */ /* b */ {},
|
||||
}
|
||||
|
||||
var _ = T{ /* a */ /* b */
|
||||
/* c */ {},
|
||||
}
|
||||
|
||||
var _ = T{ /* a */ /* b */
|
||||
/* c */
|
||||
/* d */ {},
|
||||
}
|
||||
|
||||
var _ = T{
|
||||
/* a */
|
||||
/* b */ {},
|
||||
}
|
||||
|
||||
var _ = []T{
|
||||
func() {
|
||||
var _ = [][]int{
|
||||
/* a, b, c, d, e */
|
||||
/* a */ {0, 0, 0, 0, 0},
|
||||
/* b */ {0, 5, 4, 4, 4},
|
||||
/* c */ {0, 4, 5, 4, 4},
|
||||
/* d */ {0, 4, 4, 5, 4},
|
||||
/* e */ {0, 4, 4, 4, 5},
|
||||
}
|
||||
},
|
||||
}
|
||||
|
@ -413,11 +413,12 @@ func (c *Client) checkRedirect(req *Request, via []*Request) error {
|
||||
|
||||
// redirectBehavior describes what should happen when the
|
||||
// client encounters a 3xx status code from the server
|
||||
func redirectBehavior(reqMethod string, resp *Response, ireq *Request) (redirectMethod string, shouldRedirect bool) {
|
||||
func redirectBehavior(reqMethod string, resp *Response, ireq *Request) (redirectMethod string, shouldRedirect, includeBody bool) {
|
||||
switch resp.StatusCode {
|
||||
case 301, 302, 303:
|
||||
redirectMethod = reqMethod
|
||||
shouldRedirect = true
|
||||
includeBody = false
|
||||
|
||||
// RFC 2616 allowed automatic redirection only with GET and
|
||||
// HEAD requests. RFC 7231 lifts this restriction, but we still
|
||||
@ -429,6 +430,7 @@ func redirectBehavior(reqMethod string, resp *Response, ireq *Request) (redirect
|
||||
case 307, 308:
|
||||
redirectMethod = reqMethod
|
||||
shouldRedirect = true
|
||||
includeBody = true
|
||||
|
||||
// Treat 307 and 308 specially, since they're new in
|
||||
// Go 1.8, and they also require re-sending the request body.
|
||||
@ -449,7 +451,7 @@ func redirectBehavior(reqMethod string, resp *Response, ireq *Request) (redirect
|
||||
shouldRedirect = false
|
||||
}
|
||||
}
|
||||
return redirectMethod, shouldRedirect
|
||||
return redirectMethod, shouldRedirect, includeBody
|
||||
}
|
||||
|
||||
// Do sends an HTTP request and returns an HTTP response, following
|
||||
@ -496,7 +498,10 @@ func (c *Client) Do(req *Request) (*Response, error) {
|
||||
reqs []*Request
|
||||
resp *Response
|
||||
copyHeaders = c.makeHeadersCopier(req)
|
||||
|
||||
// Redirect behavior:
|
||||
redirectMethod string
|
||||
includeBody bool
|
||||
)
|
||||
uerr := func(err error) error {
|
||||
req.closeBody()
|
||||
@ -534,7 +539,7 @@ func (c *Client) Do(req *Request) (*Response, error) {
|
||||
Cancel: ireq.Cancel,
|
||||
ctx: ireq.ctx,
|
||||
}
|
||||
if ireq.GetBody != nil {
|
||||
if includeBody && ireq.GetBody != nil {
|
||||
req.Body, err = ireq.GetBody()
|
||||
if err != nil {
|
||||
return nil, uerr(err)
|
||||
@ -598,7 +603,7 @@ func (c *Client) Do(req *Request) (*Response, error) {
|
||||
}
|
||||
|
||||
var shouldRedirect bool
|
||||
redirectMethod, shouldRedirect = redirectBehavior(req.Method, resp, reqs[0])
|
||||
redirectMethod, shouldRedirect, includeBody = redirectBehavior(req.Method, resp, reqs[0])
|
||||
if !shouldRedirect {
|
||||
return resp, nil
|
||||
}
|
||||
|
@ -360,25 +360,25 @@ func TestPostRedirects(t *testing.T) {
|
||||
wantSegments := []string{
|
||||
`POST / "first"`,
|
||||
`POST /?code=301&next=302 "c301"`,
|
||||
`GET /?code=302 "c301"`,
|
||||
`GET / "c301"`,
|
||||
`GET /?code=302 ""`,
|
||||
`GET / ""`,
|
||||
`POST /?code=302&next=302 "c302"`,
|
||||
`GET /?code=302 "c302"`,
|
||||
`GET / "c302"`,
|
||||
`GET /?code=302 ""`,
|
||||
`GET / ""`,
|
||||
`POST /?code=303&next=301 "c303wc301"`,
|
||||
`GET /?code=301 "c303wc301"`,
|
||||
`GET / "c303wc301"`,
|
||||
`GET /?code=301 ""`,
|
||||
`GET / ""`,
|
||||
`POST /?code=304 "c304"`,
|
||||
`POST /?code=305 "c305"`,
|
||||
`POST /?code=307&next=303,308,302 "c307"`,
|
||||
`POST /?code=303&next=308,302 "c307"`,
|
||||
`GET /?code=308&next=302 "c307"`,
|
||||
`GET /?code=308&next=302 ""`,
|
||||
`GET /?code=302 "c307"`,
|
||||
`GET / "c307"`,
|
||||
`GET / ""`,
|
||||
`POST /?code=308&next=302,301 "c308"`,
|
||||
`POST /?code=302&next=301 "c308"`,
|
||||
`GET /?code=301 "c308"`,
|
||||
`GET / "c308"`,
|
||||
`GET /?code=301 ""`,
|
||||
`GET / ""`,
|
||||
`POST /?code=404 "c404"`,
|
||||
}
|
||||
want := strings.Join(wantSegments, "\n")
|
||||
@ -399,20 +399,20 @@ func TestDeleteRedirects(t *testing.T) {
|
||||
wantSegments := []string{
|
||||
`DELETE / "first"`,
|
||||
`DELETE /?code=301&next=302,308 "c301"`,
|
||||
`GET /?code=302&next=308 "c301"`,
|
||||
`GET /?code=308 "c301"`,
|
||||
`GET /?code=302&next=308 ""`,
|
||||
`GET /?code=308 ""`,
|
||||
`GET / "c301"`,
|
||||
`DELETE /?code=302&next=302 "c302"`,
|
||||
`GET /?code=302 "c302"`,
|
||||
`GET / "c302"`,
|
||||
`GET /?code=302 ""`,
|
||||
`GET / ""`,
|
||||
`DELETE /?code=303 "c303"`,
|
||||
`GET / "c303"`,
|
||||
`GET / ""`,
|
||||
`DELETE /?code=307&next=301,308,303,302,304 "c307"`,
|
||||
`DELETE /?code=301&next=308,303,302,304 "c307"`,
|
||||
`GET /?code=308&next=303,302,304 "c307"`,
|
||||
`GET /?code=308&next=303,302,304 ""`,
|
||||
`GET /?code=303&next=302,304 "c307"`,
|
||||
`GET /?code=302&next=304 "c307"`,
|
||||
`GET /?code=304 "c307"`,
|
||||
`GET /?code=302&next=304 ""`,
|
||||
`GET /?code=304 ""`,
|
||||
`DELETE /?code=308&next=307 "c308"`,
|
||||
`DELETE /?code=307 "c308"`,
|
||||
`DELETE / "c308"`,
|
||||
@ -432,7 +432,11 @@ func testRedirectsByMethod(t *testing.T, method string, table []redirectTest, wa
|
||||
ts = httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
|
||||
log.Lock()
|
||||
slurp, _ := ioutil.ReadAll(r.Body)
|
||||
fmt.Fprintf(&log.Buffer, "%s %s %q\n", r.Method, r.RequestURI, slurp)
|
||||
fmt.Fprintf(&log.Buffer, "%s %s %q", r.Method, r.RequestURI, slurp)
|
||||
if cl := r.Header.Get("Content-Length"); r.Method == "GET" && len(slurp) == 0 && (r.ContentLength != 0 || cl != "") {
|
||||
fmt.Fprintf(&log.Buffer, " (but with body=%T, content-length = %v, %q)", r.Body, r.ContentLength, cl)
|
||||
}
|
||||
log.WriteByte('\n')
|
||||
log.Unlock()
|
||||
urlQuery := r.URL.Query()
|
||||
if v := urlQuery.Get("code"); v != "" {
|
||||
@ -475,7 +479,24 @@ func testRedirectsByMethod(t *testing.T, method string, table []redirectTest, wa
|
||||
want = strings.TrimSpace(want)
|
||||
|
||||
if got != want {
|
||||
t.Errorf("Log differs.\n Got:\n%s\nWant:\n%s\n", got, want)
|
||||
got, want, lines := removeCommonLines(got, want)
|
||||
t.Errorf("Log differs after %d common lines.\n\nGot:\n%s\n\nWant:\n%s\n", lines, got, want)
|
||||
}
|
||||
}
|
||||
|
||||
func removeCommonLines(a, b string) (asuffix, bsuffix string, commonLines int) {
|
||||
for {
|
||||
nl := strings.IndexByte(a, '\n')
|
||||
if nl < 0 {
|
||||
return a, b, commonLines
|
||||
}
|
||||
line := a[:nl+1]
|
||||
if !strings.HasPrefix(b, line) {
|
||||
return a, b, commonLines
|
||||
}
|
||||
commonLines++
|
||||
a = a[len(line):]
|
||||
b = b[len(line):]
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -5277,7 +5277,7 @@ func TestServerHijackGetsBackgroundByte_big(t *testing.T) {
|
||||
defer conn.Close()
|
||||
slurp, err := ioutil.ReadAll(buf.Reader)
|
||||
if err != nil {
|
||||
t.Error("Copy: %v", err)
|
||||
t.Errorf("Copy: %v", err)
|
||||
}
|
||||
allX := true
|
||||
for _, v := range slurp {
|
||||
|
@ -71,7 +71,9 @@ merge() {
|
||||
elif test -f ${old}; then
|
||||
# The file exists in the old version.
|
||||
if ! test -f ${libgo}; then
|
||||
if ! cmp -s ${old} ${new}; then
|
||||
echo "merge.sh: $name: skipping: exists in old and new git, but not in libgo"
|
||||
fi
|
||||
continue
|
||||
fi
|
||||
if cmp -s ${old} ${libgo}; then
|
||||
|
Loading…
Reference in New Issue
Block a user