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122 lines
3.1 KiB
Plaintext
122 lines
3.1 KiB
Plaintext
exec garble build
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exec ./main
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! stdout 'garble_main\.go|garble_other_filename|is sorted'
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! binsubstr main$exe 'garble_main.go' 'garble_other_filename'
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[short] stop # no need to verify this with -short
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go build
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exec ./main
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stdout 'garble_main.go'
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stdout 'garble_other_filename'
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stdout ':19: main'
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stdout 'initPositions is sorted'
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stdout 'varPositions is sorted'
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-- go.mod --
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module test/main
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go 1.21
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-- garble_main.go --
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package main
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import (
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"fmt"
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"runtime"
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"sort"
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)
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var _, globalFile, globalLine, _ = runtime.Caller(0)
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func init() {
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_, file, line, _ := runtime.Caller(0)
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fmt.Printf("%s:%d: init\n", file, line)
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}
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func main() {
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fmt.Printf("%s:%d: global\n", globalFile, globalLine)
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_, file, line, _ := runtime.Caller(0)
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fmt.Printf("%s:%d: main\n", file, line)
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funcDecl()
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funcVar()
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// initPositions is filled by ten consecutive funcs.
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// If we are not shuffling or obfuscating line numbers,
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// this list will be sorted.
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// If we are, it's extremely unlikely it would remain sorted.
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if sort.IsSorted(sort.StringSlice(initPositions)) {
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fmt.Println("initPositions is sorted")
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}
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// Same as the above, but with vars.
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if sort.IsSorted(sort.StringSlice(varPositions)) {
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fmt.Println("varPositions is sorted")
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}
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// Adding "/*text*/" comments here is tricky,
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// as we don't want to turn "a/b" into "a//*text*/b".
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// We need "a/ /*text*/b" to preserve the syntax.
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// The nested expression is needed to prevent spaces.
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fmt.Printf("%v\n", 10*float64(3.0)/float64(4.0))
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}
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// Replacing `s` and `f` with obfuscated names triggered a bug in go/printer,
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// where it would move `.f` after the comment, breaking the syntax.
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func issue_573(s struct{ f int }) {
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var _ *int = &s.f
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/*x*/
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}
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-- garble_other_filename.go --
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package main
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import (
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"fmt"
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"runtime"
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)
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func funcDecl() {
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_, file, line, _ := runtime.Caller(0)
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fmt.Printf("%s:%d: func\n", file, line)
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}
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var funcVar = func() {
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_, file, line, _ := runtime.Caller(0)
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fmt.Printf("%s:%d: func var\n", file, line)
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}
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var initPositions []string
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func curPos() string {
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_, file, line, _ := runtime.Caller(1)
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return fmt.Sprintf("%s:%d", file, line)
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}
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func init() { initPositions = append(initPositions, curPos()) }
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func init() { initPositions = append(initPositions, curPos()) }
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func init() { initPositions = append(initPositions, curPos()) }
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func init() { initPositions = append(initPositions, curPos()) }
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func init() { initPositions = append(initPositions, curPos()) }
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func init() { initPositions = append(initPositions, curPos()) }
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func init() { initPositions = append(initPositions, curPos()) }
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func init() { initPositions = append(initPositions, curPos()) }
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func init() { initPositions = append(initPositions, curPos()) }
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func init() { initPositions = append(initPositions, curPos()) }
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var varLine0 = curPos()
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var varLine1 = curPos()
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var varLine2 = curPos()
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var varLine3 = curPos()
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var varLine4 = curPos()
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var varLine5 = curPos()
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var varLine6 = curPos()
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var varLine7 = curPos()
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var varLine8 = curPos()
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var varLine9 = curPos()
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var varPositions = []string{
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varLine0, varLine1, varLine2, varLine3, varLine4,
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varLine5, varLine6, varLine7, varLine8, varLine9,
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}
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