mirror of https://github.com/k3s-io/k3s
556 lines
8.3 KiB
Plaintext
556 lines
8.3 KiB
Plaintext
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package statements
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var expr bool
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func use(x interface{}) {}
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// Formatting of multi-line return statements.
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func _f() {
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return
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return x, y, z
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return T{}
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return T{1, 2, 3},
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x, y, z
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return T{1, 2, 3},
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x, y,
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z
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return T{1,
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2,
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3}
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return T{1,
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2,
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3,
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}
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return T{
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1,
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2,
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3}
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return T{
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1,
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2,
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3,
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}
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return T{
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1,
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T{1, 2, 3},
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3,
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}
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return T{
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1,
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T{1,
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2, 3},
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3,
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}
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return T{
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1,
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T{1,
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2,
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3},
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3,
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}
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return T{
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1,
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2,
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}, nil
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return T{
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1,
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2,
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},
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T{
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x: 3,
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y: 4,
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}, nil
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return T{
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1,
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2,
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},
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nil
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return T{
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1,
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2,
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},
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T{
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x: 3,
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y: 4,
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},
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nil
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return x + y +
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z
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return func() {}
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return func() {
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_ = 0
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}, T{
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1, 2,
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}
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return func() {
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_ = 0
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}
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return func() T {
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return T {
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1, 2,
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}
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}
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}
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// Formatting of multi-line returns: test cases from issue 1207.
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func F() (*T, os.Error) {
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return &T{
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X: 1,
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Y: 2,
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},
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nil
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}
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func G() (*T, *T, os.Error) {
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return &T{
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X: 1,
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Y: 2,
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},
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&T{
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X: 3,
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Y: 4,
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},
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nil
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}
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func _() interface{} {
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return &fileStat{
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name: basename(file.name),
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size: mkSize(d.FileSizeHigh, d.FileSizeLow),
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modTime: mkModTime(d.LastWriteTime),
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mode: mkMode(d.FileAttributes),
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sys: mkSysFromFI(&d),
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}, nil
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}
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// Formatting of if-statement headers.
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func _() {
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if true {}
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if; true {} // no semicolon printed
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if expr{}
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if;expr{} // no semicolon printed
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if (expr){} // no parens printed
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if;((expr)){} // no semicolon and parens printed
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if x:=expr;true{
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use(x)}
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if x:=expr; expr {use(x)}
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}
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// Formatting of switch-statement headers.
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func _() {
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switch {}
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switch;{} // no semicolon printed
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switch expr {}
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switch;expr{} // no semicolon printed
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switch (expr) {} // no parens printed
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switch;((expr)){} // no semicolon and parens printed
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switch x := expr; { default:use(
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x)
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}
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switch x := expr; expr {default:use(x)}
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}
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// Formatting of switch statement bodies.
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func _() {
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switch {
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}
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switch x := 0; x {
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case 1:
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use(x)
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use(x) // followed by an empty line
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case 2: // followed by an empty line
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use(x) // followed by an empty line
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case 3: // no empty lines
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use(x)
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use(x)
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}
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switch x {
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case 0:
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use(x)
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case 1: // this comment should have no effect on the previous or next line
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use(x)
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}
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switch x := 0; x {
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case 1:
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x = 0
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// this comment should be indented
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case 2:
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x = 0
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// this comment should not be indented, it is aligned with the next case
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case 3:
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x = 0
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/* indented comment
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aligned
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aligned
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*/
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// bla
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/* and more */
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case 4:
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x = 0
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/* not indented comment
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aligned
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aligned
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*/
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// bla
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/* and more */
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case 5:
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}
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}
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// Formatting of selected select statements.
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func _() {
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select {
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}
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select { /* this comment should not be tab-aligned because the closing } is on the same line */ }
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select { /* this comment should be tab-aligned */
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}
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select { // this comment should be tab-aligned
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}
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select { case <-c: }
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}
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// Formatting of for-statement headers for single-line for-loops.
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func _() {
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for{}
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for expr {}
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for (expr) {} // no parens printed
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for;;{} // no semicolons printed
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for x :=expr;; {use( x)}
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for; expr;{} // no semicolons printed
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for; ((expr));{} // no semicolons and parens printed
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for; ; expr = false {}
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for x :=expr; expr; {use(x)}
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for x := expr;; expr=false {use(x)}
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for;expr;expr =false {}
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for x := expr;expr;expr = false { use(x) }
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for x := range []int{} { use(x) }
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for x := range (([]int{})) { use(x) } // no parens printed
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}
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// Formatting of for-statement headers for multi-line for-loops.
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func _() {
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for{
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}
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for expr {
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}
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for (expr) {
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} // no parens printed
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for;;{
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} // no semicolons printed
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for x :=expr;; {use( x)
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}
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for; expr;{
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} // no semicolons printed
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for; ((expr));{
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} // no semicolons and parens printed
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for; ; expr = false {
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}
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for x :=expr; expr; {use(x)
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}
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for x := expr;; expr=false {use(x)
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}
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for;expr;expr =false {
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}
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for x := expr;expr;expr = false {
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use(x)
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}
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for range []int{} {
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println("foo")}
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for x := range []int{} {
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use(x) }
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for x := range (([]int{})) {
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use(x) } // no parens printed
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}
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// Formatting of selected short single- and multi-line statements.
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func _() {
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if cond {}
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if cond {
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} // multiple lines
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if cond {} else {} // else clause always requires multiple lines
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for {}
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for i := 0; i < len(a); 1++ {}
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for i := 0; i < len(a); 1++ { a[i] = i }
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for i := 0; i < len(a); 1++ { a[i] = i
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} // multiple lines
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for range a{}
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for _ = range a{}
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for _, _ = range a{}
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for i := range a {}
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for i := range a { a[i] = i }
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for i := range a { a[i] = i
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} // multiple lines
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go func() { for { a <- <-b } }()
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defer func() { if x := recover(); x != nil { err = fmt.Sprintf("error: %s", x.msg) } }()
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}
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// Don't remove mandatory parentheses around composite literals in control clauses.
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func _() {
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// strip parentheses - no composite literals or composite literals don't start with a type name
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if (x) {}
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if (((x))) {}
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if ([]T{}) {}
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if (([]T{})) {}
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if ; (((([]T{})))) {}
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for (x) {}
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for (((x))) {}
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for ([]T{}) {}
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for (([]T{})) {}
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for ; (((([]T{})))) ; {}
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switch (x) {}
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switch (((x))) {}
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switch ([]T{}) {}
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switch ; (((([]T{})))) {}
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for _ = range ((([]T{T{42}}))) {}
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// leave parentheses - composite literals start with a type name
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if (T{}) {}
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if ((T{})) {}
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if ; ((((T{})))) {}
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for (T{}) {}
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for ((T{})) {}
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for ; ((((T{})))) ; {}
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switch (T{}) {}
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switch ; ((((T{})))) {}
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for _ = range (((T1{T{42}}))) {}
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if x == (T{42}[0]) {}
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if (x == T{42}[0]) {}
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if (x == (T{42}[0])) {}
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if (x == (((T{42}[0])))) {}
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if (((x == (T{42}[0])))) {}
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if x == a + b*(T{42}[0]) {}
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if (x == a + b*T{42}[0]) {}
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if (x == a + b*(T{42}[0])) {}
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if (x == a + ((b * (T{42}[0])))) {}
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if (((x == a + b * (T{42}[0])))) {}
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if (((a + b * (T{42}[0])) == x)) {}
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if (((a + b * (T{42}[0])))) == x {}
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if (struct{x bool}{false}.x) {}
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if (struct{x bool}{false}.x) == false {}
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if (struct{x bool}{false}.x == false) {}
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}
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// Extra empty lines inside functions. Do respect source code line
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// breaks between statement boundaries but print at most one empty
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// line at a time.
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func _() {
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const _ = 0
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const _ = 1
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type _ int
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type _ float
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var _ = 0
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var x = 1
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// Each use(x) call below should have at most one empty line before and after.
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// Known bug: The first use call may have more than one empty line before
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// (see go/printer/nodes.go, func linebreak).
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use(x)
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if x < x {
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use(x)
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} else {
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use(x)
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}
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}
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// Formatting around labels.
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func _() {
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L:
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}
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func _() {
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// this comment should be indented
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L: ; // no semicolon needed
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}
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func _() {
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switch 0 {
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case 0:
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L0: ; // semicolon required
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case 1:
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L1: ; // semicolon required
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default:
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L2: ; // no semicolon needed
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}
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}
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func _() {
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f()
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L1:
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f()
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L2:
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;
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L3:
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}
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func _() {
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// this comment should be indented
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L:
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}
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func _() {
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L: _ = 0
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}
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func _() {
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// this comment should be indented
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L: _ = 0
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}
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func _() {
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for {
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L1: _ = 0
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L2:
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_ = 0
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}
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}
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func _() {
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// this comment should be indented
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for {
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L1: _ = 0
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L2:
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_ = 0
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}
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}
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func _() {
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if true {
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_ = 0
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}
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_ = 0 // the indentation here should not be affected by the long label name
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AnOverlongLabel:
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_ = 0
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if true {
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_ = 0
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}
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_ = 0
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L: _ = 0
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}
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func _() {
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for {
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goto L
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}
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L:
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MoreCode()
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}
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func _() {
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for {
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goto L
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}
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L: // A comment on the same line as the label, followed by a single empty line.
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// Known bug: There may be more than one empty line before MoreCode()
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// (see go/printer/nodes.go, func linebreak).
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MoreCode()
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}
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func _() {
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for {
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goto L
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}
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L:
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// There should be a single empty line before this comment.
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MoreCode()
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}
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func _() {
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for {
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goto AVeryLongLabelThatShouldNotAffectFormatting
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}
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AVeryLongLabelThatShouldNotAffectFormatting:
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// There should be a single empty line after this comment.
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// There should be a single empty line before this comment.
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MoreCode()
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}
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// Formatting of empty statements.
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func _() {
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;;;;;;;;;;;;;;;;;;;;;;;;;
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}
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func _() {;;;;;;;;;;;;;;;;;;;;;;;;;
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}
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func _() {;;;;;;;;;;;;;;;;;;;;;;;;;}
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func _() {
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f();;;;;;;;;;;;;;;;;;;;;;;;;
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}
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func _() {
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L:;;;;;;;;;;;;
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}
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func _() {
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L:;;;;;;;;;;;;
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f()
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}
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