+++ /dev/null
-// Package pkg is amazing.
-package pkg
-
-import (
- "fmt"
- "math/big"
- "os"
- "unsafe"
-)
-
-type Error int
-
-func (Error) Error() string { return "" }
-
-func fn() {
- var b bool
- var i int
- var r rune
- var s string
- var x float64
- var p *int
- var imap map[int]int
- var fslice []float64
- var c complex64
- // Some good format/argtypes
- fmt.Printf("")
- fmt.Printf("%b %b %b", 3, i, x)
- fmt.Printf("%c %c %c %c", 3, i, 'x', r)
- fmt.Printf("%d %d %d", 3, i, imap)
- fmt.Printf("%e %e %e %e", 3e9, x, fslice, c)
- fmt.Printf("%E %E %E %E", 3e9, x, fslice, c)
- fmt.Printf("%f %f %f %f", 3e9, x, fslice, c)
- fmt.Printf("%F %F %F %F", 3e9, x, fslice, c)
- fmt.Printf("%g %g %g %g", 3e9, x, fslice, c)
- fmt.Printf("%G %G %G %G", 3e9, x, fslice, c)
- fmt.Printf("%b %b %b %b", 3e9, x, fslice, c)
- fmt.Printf("%o %o", 3, i)
- fmt.Printf("%p", p)
- fmt.Printf("%q %q %q %q", 3, i, 'x', r)
- fmt.Printf("%s %s %s", "hi", s, []byte{65})
- fmt.Printf("%t %t", true, b)
- fmt.Printf("%T %T", 3, i)
- fmt.Printf("%U %U", 3, i)
- fmt.Printf("%v %v", 3, i)
- fmt.Printf("%x %x %x %x", 3, i, "hi", s)
- fmt.Printf("%X %X %X %X", 3, i, "hi", s)
- fmt.Printf("%.*s %d %g", 3, "hi", 23, 2.3)
- fmt.Printf("%s", &stringerv)
- fmt.Printf("%v", &stringerv)
- fmt.Printf("%T", &stringerv)
- fmt.Printf("%s", &embeddedStringerv)
- fmt.Printf("%v", &embeddedStringerv)
- fmt.Printf("%T", &embeddedStringerv)
- fmt.Printf("%v", notstringerv)
- fmt.Printf("%T", notstringerv)
- fmt.Printf("%q", stringerarrayv)
- fmt.Printf("%v", stringerarrayv)
- fmt.Printf("%s", stringerarrayv)
- fmt.Printf("%v", notstringerarrayv)
- fmt.Printf("%T", notstringerarrayv)
- fmt.Printf("%d", new(fmt.Formatter))
- fmt.Printf("%f", new(big.Float))
- fmt.Printf("%*%", 2) // Ridiculous but allowed.
- fmt.Printf("%s", interface{}(nil)) // Nothing useful we can say.
-
- fmt.Printf("%g", 1+2i)
- fmt.Printf("%#e %#E %#f %#F %#g %#G", 1.2, 1.2, 1.2, 1.2, 1.2, 1.2) // OK since Go 1.9
- // Some bad format/argTypes
- fmt.Printf("%b", "hi") // want `Printf format %b has arg #1 of wrong type string`
- _ = fmt.Sprintf("%b", "hi") // want `Printf format %b has arg #1 of wrong type string`
- fmt.Fprintf(os.Stdout, "%b", "hi") // want `Printf format %b has arg #1 of wrong type string`
- fmt.Printf("%t", c) // want `Printf format %t has arg #1 of wrong type complex64`
- fmt.Printf("%t", 1+2i) // want `Printf format %t has arg #1 of wrong type complex128`
- fmt.Printf("%c", 2.3) // want `Printf format %c has arg #1 of wrong type float64`
- fmt.Printf("%d", 2.3) // want `Printf format %d has arg #1 of wrong type float64`
- fmt.Printf("%e", "hi") // want `Printf format %e has arg #1 of wrong type string`
- fmt.Printf("%E", true) // want `Printf format %E has arg #1 of wrong type bool`
- fmt.Printf("%f", "hi") // want `Printf format %f has arg #1 of wrong type string`
- fmt.Printf("%F", 'x') // want `Printf format %F has arg #1 of wrong type rune`
- fmt.Printf("%g", "hi") // want `Printf format %g has arg #1 of wrong type string`
- fmt.Printf("%g", imap) // want `Printf format %g has arg #1 of wrong type map\[int\]int`
- fmt.Printf("%G", i) // want `Printf format %G has arg #1 of wrong type int`
- fmt.Printf("%o", x) // want `Printf format %o has arg #1 of wrong type float64`
- fmt.Printf("%p", 23) // want `Printf format %p has arg #1 of wrong type int`
- fmt.Printf("%q", x) // want `Printf format %q has arg #1 of wrong type float64`
- fmt.Printf("%s", b) // want `Printf format %s has arg #1 of wrong type bool`
- fmt.Printf("%s", byte(65)) // want `Printf format %s has arg #1 of wrong type byte`
- fmt.Printf("%t", 23) // want `Printf format %t has arg #1 of wrong type int`
- fmt.Printf("%U", x) // want `Printf format %U has arg #1 of wrong type float64`
- fmt.Printf("%X", 2.3)
- fmt.Printf("%X", 2+3i)
- fmt.Printf("%s", stringerv) // want `Printf format %s has arg #1 of wrong type CheckPrintf\.ptrStringer`
- fmt.Printf("%t", stringerv) // want `Printf format %t has arg #1 of wrong type CheckPrintf\.ptrStringer`
- fmt.Printf("%s", embeddedStringerv) // want `Printf format %s has arg #1 of wrong type CheckPrintf\.embeddedStringer`
- fmt.Printf("%t", embeddedStringerv) // want `Printf format %t has arg #1 of wrong type CheckPrintf\.embeddedStringer`
- fmt.Printf("%q", notstringerv) // want `Printf format %q has arg #1 of wrong type CheckPrintf\.notstringer`
- fmt.Printf("%t", notstringerv) // want `Printf format %t has arg #1 of wrong type CheckPrintf\.notstringer`
- fmt.Printf("%t", stringerarrayv) // want `Printf format %t has arg #1 of wrong type CheckPrintf\.stringerarray`
- fmt.Printf("%t", notstringerarrayv) // want `Printf format %t has arg #1 of wrong type CheckPrintf\.notstringerarray`
- fmt.Printf("%q", notstringerarrayv) // want `Printf format %q has arg #1 of wrong type CheckPrintf\.notstringerarray`
- fmt.Printf("%d", BoolFormatter(true)) // want `Printf format %d has arg #1 of wrong type CheckPrintf\.BoolFormatter`
- fmt.Printf("%z", FormatterVal(true)) // correct (the type is responsible for formatting)
- fmt.Printf("%d", FormatterVal(true)) // correct (the type is responsible for formatting)
- fmt.Printf("%s", nonemptyinterface) // correct (the type is responsible for formatting)
- fmt.Printf("%.*s %d %6g", 3, "hi", 23, 'x') // want `Printf format %6g has arg #4 of wrong type rune`
- fmt.Printf("%s", "hi", 3) // want `Printf call needs 1 args but has 2 args`
- fmt.Printf("%"+("s"), "hi", 3) // want `Printf call needs 1 args but has 2 args`
- fmt.Printf("%s%%%d", "hi", 3) // correct
- fmt.Printf("%08s", "woo") // correct
- fmt.Printf("% 8s", "woo") // correct
- fmt.Printf("%.*d", 3, 3) // correct
- fmt.Printf("%.*d x", 3, 3, 3, 3) // want `Printf call needs 2 args but has 4 args`
- fmt.Printf("%.*d x", "hi", 3) // want `Printf format %\.\*d reads non-int arg #1 as argument of \*`
- fmt.Printf("%.*d x", i, 3) // correct
- fmt.Printf("%.*d x", s, 3) // want `Printf format %\.\*d reads non-int arg #1 as argument of \*`
- fmt.Printf("%*% x", 0.22) // want `Printf format %\*% reads non-int arg #1 as argument of \*`
- fmt.Printf("%q %q", multi()...) // ok
- fmt.Printf("%#q", `blah`) // ok
- const format = "%s %s\n"
- fmt.Printf(format, "hi", "there")
- fmt.Printf(format, "hi") // want `Printf format %s reads arg #2, but call has only 1 args`
- fmt.Printf("%s %d %.3v %q", "str", 4) // want `Printf format %\.3v reads arg #3, but call has only 2 args`
-
- fmt.Printf("%#s", FormatterVal(true)) // correct (the type is responsible for formatting)
- fmt.Printf("d%", 2) // want `couldn't parse format string`
- fmt.Printf("%d", percentDV)
- fmt.Printf("%d", &percentDV)
- fmt.Printf("%d", notPercentDV) // want `Printf format %d has arg #1 of wrong type CheckPrintf\.notPercentDStruct`
- fmt.Printf("%d", ¬PercentDV) // want `Printf format %d has arg #1 of wrong type \*CheckPrintf\.notPercentDStruct`
- fmt.Printf("%p", ¬PercentDV) // Works regardless: we print it as a pointer.
- fmt.Printf("%q", &percentDV) // want `Printf format %q has arg #1 of wrong type \*CheckPrintf\.percentDStruct`
- fmt.Printf("%s", percentSV)
- fmt.Printf("%s", &percentSV)
- // Good argument reorderings.
- fmt.Printf("%[1]d", 3)
- fmt.Printf("%[1]*d", 3, 1)
- fmt.Printf("%[2]*[1]d", 1, 3)
- fmt.Printf("%[2]*.[1]*[3]d", 2, 3, 4)
- fmt.Fprintf(os.Stderr, "%[2]*.[1]*[3]d", 2, 3, 4) // Use Fprintf to make sure we count arguments correctly.
- // Bad argument reorderings.
- fmt.Printf("%[xd", 3) // want `couldn't parse format string`
- fmt.Printf("%[x]d x", 3) // want `couldn't parse format string`
- fmt.Printf("%[3]*s x", "hi", 2) // want `Printf format %\[3\]\*s reads arg #3, but call has only 2 args`
- fmt.Printf("%[3]d x", 2) // want `Printf format %\[3\]d reads arg #3, but call has only 1 args`
- fmt.Printf("%[2]*.[1]*[3]d x", 2, "hi", 4) // want `Printf format %\[2\]\*\.\[1\]\*\[3\]d reads non-int arg #2 as argument of \*`
- fmt.Printf("%[0]s x", "arg1") // want `Printf format %\[0\]s reads invalid arg 0; indices are 1-based`
- fmt.Printf("%[0]d x", 1) // want `Printf format %\[0\]d reads invalid arg 0; indices are 1-based`
-
- // Interfaces can be used with any verb.
- var iface interface {
- ToTheMadness() bool // Method ToTheMadness usually returns false
- }
- fmt.Printf("%f", iface) // ok: fmt treats interfaces as transparent and iface may well have a float concrete type
- // Can print functions in many ways
- fmt.Printf("%s", someFunction) // want `Printf format %s has arg #1 of wrong type func\(\)`
- fmt.Printf("%d", someFunction) // ok: maybe someone wants to see the pointer
- fmt.Printf("%v", someFunction) // ok: maybe someone wants to see the pointer in decimal
- fmt.Printf("%p", someFunction) // ok: maybe someone wants to see the pointer
- fmt.Printf("%T", someFunction) // ok: maybe someone wants to see the type
- // Bug: used to recur forever.
- fmt.Printf("%p %x", recursiveStructV, recursiveStructV.next)
- fmt.Printf("%p %x", recursiveStruct1V, recursiveStruct1V.next)
- fmt.Printf("%p %x", recursiveSliceV, recursiveSliceV)
- //fmt.Printf("%p %x", recursiveMapV, recursiveMapV)
-
- // indexed arguments
- fmt.Printf("%d %[3]d %d %[2]d x", 1, 2, 3, 4) // OK
- fmt.Printf("%d %[0]d %d %[2]d x", 1, 2, 3, 4) // want `Printf format %\[0\]d reads invalid arg 0; indices are 1-based`
- fmt.Printf("%d %[3]d %d %[-2]d x", 1, 2, 3, 4) // want `couldn't parse format string`
- fmt.Printf("%d %[3]d %d %[5]d x", 1, 2, 3, 4) // want `Printf format %\[5\]d reads arg #5, but call has only 4 args`
- fmt.Printf("%d %[3]d %-10d %[2]d x", 1, 2, 3) // want `Printf format %-10d reads arg #4, but call has only 3 args`
- fmt.Printf("%[1][3]d x", 1, 2) // want `couldn't parse format string`
- fmt.Printf("%[1]d x", 1, 2) // OK
- fmt.Printf("%d %[3]d %d %[2]d x", 1, 2, 3, 4, 5) // OK
-
- fmt.Printf(someString(), "hello") // OK
-
- // d accepts pointers as long as they're not to structs.
- // pointers to structs are dereferenced and walked.
- fmt.Printf("%d", &s)
-
- // staticcheck's own checks, based on bugs in go vet; see https://github.com/golang/go/issues/27672
- {
-
- type T2 struct {
- X string
- }
-
- type T1 struct {
- X *T2
- }
- x1 := []string{"hi"}
- t1 := T1{&T2{"hi"}}
-
- fmt.Printf("%s\n", &x1)
- fmt.Printf("%s\n", t1) // want `Printf format %s has arg #1 of wrong type CheckPrintf\.T1`
- var x2 struct{ A *int }
- fmt.Printf("%p\n", x2) // want `Printf format %p has arg #1 of wrong type struct\{A \*int\}`
- var x3 [2]int
- fmt.Printf("%p", x3) // want `Printf format %p has arg #1 of wrong type \[2\]int`
-
- ue := unexportedError{nil}
- fmt.Printf("%s", ue)
- }
-
- // staticcheck's own checks, based on our own bugs
- fmt.Printf("%s", Error(0))
- fmt.Printf("%x", unsafe.Pointer(uintptr(0)))
-}
-
-func someString() string { return "X" }
-
-// A function we use as a function value; it has no other purpose.
-func someFunction() {}
-
-// multi is used by the test.
-func multi() []interface{} {
- return nil
-}
-
-type stringer int
-
-func (stringer) String() string { return "string" }
-
-type ptrStringer float64
-
-var stringerv ptrStringer
-
-func (*ptrStringer) String() string {
- return "string"
-}
-
-type embeddedStringer struct {
- foo string
- ptrStringer
- bar int
-}
-
-var embeddedStringerv embeddedStringer
-
-type notstringer struct {
- f float64
-}
-
-var notstringerv notstringer
-
-type stringerarray [4]float64
-
-func (stringerarray) String() string {
- return "string"
-}
-
-var stringerarrayv stringerarray
-
-type notstringerarray [4]float64
-
-var notstringerarrayv notstringerarray
-
-var nonemptyinterface = interface {
- f()
-}(nil)
-
-// A data type we can print with "%d".
-type percentDStruct struct {
- a int
- b []byte
- c *float64
-}
-
-var percentDV percentDStruct
-
-// A data type we cannot print correctly with "%d".
-type notPercentDStruct struct {
- a int
- b []byte
- c bool
-}
-
-var notPercentDV notPercentDStruct
-
-// A data type we can print with "%s".
-type percentSStruct struct {
- a string
- b []byte
- C stringerarray
-}
-
-var percentSV percentSStruct
-
-type BoolFormatter bool
-
-func (*BoolFormatter) Format(fmt.State, rune) {
-}
-
-// Formatter with value receiver
-type FormatterVal bool
-
-func (FormatterVal) Format(fmt.State, rune) {
-}
-
-type RecursiveSlice []RecursiveSlice
-
-var recursiveSliceV = &RecursiveSlice{}
-
-type RecursiveMap map[int]RecursiveMap
-
-var recursiveMapV = make(RecursiveMap)
-
-type RecursiveStruct struct {
- next *RecursiveStruct
-}
-
-var recursiveStructV = &RecursiveStruct{}
-
-type RecursiveStruct1 struct {
- next *RecursiveStruct2
-}
-
-type RecursiveStruct2 struct {
- next *RecursiveStruct1
-}
-
-var recursiveStruct1V = &RecursiveStruct1{}
-
-type unexportedInterface struct {
- f interface{}
-}
-
-// Issue 17798: unexported ptrStringer cannot be formatted.
-type unexportedStringer struct {
- t ptrStringer
-}
-type unexportedStringerOtherFields struct {
- s string
- t ptrStringer
- S string
-}
-
-// Issue 17798: unexported error cannot be formatted.
-type unexportedError struct {
- e error
-}
-type unexportedErrorOtherFields struct {
- s string
- e error
- S string
-}
-
-type errorer struct{}
-
-func (e errorer) Error() string { return "errorer" }
-
-type unexportedCustomError struct {
- e errorer
-}
-
-type errorInterface interface {
- error
- ExtraMethod()
-}
-
-type unexportedErrorInterface struct {
- e errorInterface
-}
-
-func UnexportedStringerOrError() {
- fmt.Printf("%s", unexportedInterface{"foo"}) // ok; prints {foo}
- fmt.Printf("%s", unexportedInterface{3}) // ok; we can't see the problem
-
- us := unexportedStringer{}
- fmt.Printf("%s", us) // want `Printf format %s has arg #1 of wrong type CheckPrintf\.unexportedStringer`
- fmt.Printf("%s", &us) // want `Printf format %s has arg #1 of wrong type \*CheckPrintf\.unexportedStringer`
-
- usf := unexportedStringerOtherFields{
- s: "foo",
- S: "bar",
- }
- fmt.Printf("%s", usf) // want `Printf format %s has arg #1 of wrong type CheckPrintf\.unexportedStringerOtherFields`
- fmt.Printf("%s", &usf) // want `Printf format %s has arg #1 of wrong type \*CheckPrintf\.unexportedStringerOtherFields`
-
- intSlice := []int{3, 4}
- fmt.Printf("%s", intSlice) // want `Printf format %s has arg #1 of wrong type \[\]int`
- nonStringerArray := [1]unexportedStringer{{}}
- fmt.Printf("%s", nonStringerArray) // want `Printf format %s has arg #1 of wrong type \[1\]CheckPrintf\.unexportedStringer`
- fmt.Printf("%s", []stringer{3, 4}) // not an error
- fmt.Printf("%s", [2]stringer{3, 4}) // not an error
-}
-
-// TODO: Disable complaint about '0' for Go 1.10. To be fixed properly in 1.11.
-// See issues 23598 and 23605.
-func DisableErrorForFlag0() {
- fmt.Printf("%0t", true)
-}
-
-// Issue 26486.
-func dbg(format string, args ...interface{}) {
- if format == "" {
- format = "%v"
- }
- fmt.Printf(format, args...)
-}
projects / dotfiles / .git / blobdiff