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cmd/cgo: use slices.ContainsFunc

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Now that Go 1.22.6 is the minimum bootstrap toolchain (cf. CL 606156),
the slices package (introduced in Go 1.21) can be used in packages built
using the bootstrap toolchain.

For #64751

Change-Id: Ib36f39016f57c5e110f78a85ca9c806d91356024
Reviewed-on: https://go-review.googlesource.com/c/go/+/612316
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
Tobias Klauser 2024-09-11 15:40:43 +02:00 committed by Gopher Robot
parent ad6ee21bbf
commit 9deda35ff8
1 changed files with 13 additions and 21 deletions
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34
src/cmd/cgo/gcc.go
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@ -24,6 +24,7 @@ import (
"math"
"os"
"os/exec"
"slices"
"strconv"
"strings"
"unicode"
@ -781,16 +782,13 @@ func (p *Package) mangleName(n *Name) {
}
func (f *File) isMangledName(s string) bool {
prefix := "_C"
if strings.HasPrefix(s, prefix) {
t := s[len(prefix):]
for _, k := range nameKinds {
if strings.HasPrefix(t, k+"_") {
return true
}
}
t, ok := strings.CutPrefix(s, "_C")
if !ok {
return false
}
return false
return slices.ContainsFunc(nameKinds, func(k string) bool {
return strings.HasPrefix(t, k+"_")
})
}
// rewriteCalls rewrites all calls that pass pointers to check that
@ -1050,12 +1048,9 @@ func (p *Package) hasPointer(f *File, t ast.Expr, top bool) bool {
}
return p.hasPointer(f, t.Elt, top)
case *ast.StructType:
for _, field := range t.Fields.List {
if p.hasPointer(f, field.Type, top) {
return true
}
}
return false
return slices.ContainsFunc(t.Fields.List, func(field *ast.Field) bool {
return p.hasPointer(f, field.Type, top)
})
case *ast.StarExpr: // Pointer type.
if !top {
return true
@ -3202,12 +3197,9 @@ func (c *typeConv) dwarfHasPointer(dt dwarf.Type, pos token.Pos) bool {
return c.dwarfHasPointer(dt.Type, pos)
case *dwarf.StructType:
for _, f := range dt.Field {
if c.dwarfHasPointer(f.Type, pos) {
return true
}
}
return false
return slices.ContainsFunc(dt.Field, func(f *dwarf.StructField) bool {
return c.dwarfHasPointer(f.Type, pos)
})
case *dwarf.TypedefType:
if dt.Name == "_GoString_" || dt.Name == "_GoBytes_" {