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Merged
xushiwei merged 1 commit into from
Oct 1, 2026
Merged

cl: add name.go #889

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235 changes: 4 additions & 231 deletions cl/ctx.go
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,6 @@ import (
"go/types"
"log"
"sort"
"strconv"
"strings"

"github.com/goplus/gogen"
Expand Down Expand Up @@ -179,16 +178,6 @@ func (p *pkgCtx) logtf(typ lc.Type, format string, args ...any) {
p.logf(typ.Declaration(), format, args...)
}

const (
anonPrefix = "_llcppg_anon_"
)

func (p *pkgCtx) nextAnonName() string {
name := anonPrefix + strconv.Itoa(p.anonSeq)
p.anonSeq++
return name
}

func (p *pkgCtx) getFileBase(c clang.Cursor, file clang.File) int {
base, ok := p.fileBases[file]
if !ok {
Expand Down Expand Up @@ -301,220 +290,12 @@ func (p *pkgCtx) typeOf(cName string) (types.Type, bool) {
return nil, false
}

func (p *pkgCtx) isMacroIgnored(name string) bool {
return contains(name, p.macroIgnore)
}

func (p *pkgCtx) isNSIgnored(ns string) bool {
return contains(ns, p.nsIgnores)
}

func (p *pkgCtx) globalName(name string, trimPrefixs []string) string {
if v, ok := p.rename[name]; ok {
return v // special case
}
return p.cstyleToGo(rmPrefix(name, trimPrefixs), true)
}

func (p *pkgCtx) fieldName(name string, public bool) string {
return p.cstyleToGo(name, public)
}

func (p *pkgCtx) varName(name string) string {
return p.globalName(name, p.varPrefix)
}

func (p *pkgCtx) macroName(name string) string {
return p.globalName(name, p.macroPrefix)
func (p *pkgCtx) isMacroIgnored(cName string) bool {
return contains(cName, p.macroIgnore)
}

func (p *pkgCtx) enumvalName(name, ns string) string {
if strings.HasSuffix(ns, "_") {
return p.globalName(ns, p.enumPrefix) + p.cstyleToGo(name, true)
}
return p.globalName(nameWithNS(name, ns), p.enumPrefix)
}

func (p *pkgCtx) typeName(name string, _ bool) string {
if v, ok := p.rename[name]; ok {
return v // special case
}
name = rmPrefix(name, p.typePrefix)
name = rmSuffix(name, p.typeSuffix)
return p.cstyleToGo(name, true)
}

func (p *pkgCtx) funcName(name string, order int, typName, typCName string, global, _ bool) string {
if v, ok := p.rename[name]; ok {
return v // special case
}
if global {
name = rmPrefix(name, p.fnPrefix)
if typCName != "" {
// remove typCName prefix & suffix
if before, ok := strings.CutSuffix(name, typCName); ok {
name = strings.TrimSuffix(before, "_")
} else if after, ok := strings.CutPrefix(name, typCName+"_"); ok {
name = after
} else {
name = strings.TrimPrefix(name, typName+"_")
}
}
} else {
// don't remove type name suffix for a method
typName = ""
}
if !strings.HasPrefix(name, "XGo_") { // avoid rewriting XGo_xxx names
name = p.cstyleToGo(name, true)
if typName != "" {
var typSuffix []string
if v, ok := p.typeAbbr[typName]; ok { // Go type name => abbreviated name
switch v := v.(type) {
case string:
typName = v
typSuffix = []string{v}
case []any:
if n := len(v); n > 0 {
abbrs := make([]string, n)
for i, v := range v {
abbrs[i] = v.(string)
}
typName = abbrs[n-1]
typSuffix = abbrs
}
default:
panic(fmt.Errorf("invalid TypeAbbr for %q: %v", typName, v))
}
} else {
typName = rmSuffix(typName, p.typeAbbrSuffix)
typSuffix = []string{typName}
}
name = rmSuffix(name, typSuffix)
name = cutMethodPrefix(name, typName)
}
}
if order >= 0 {
name = name + "__" + strconv.FormatInt(int64(order), 36)
}
return name
}

func (p *pkgCtx) cstyleToGo(cName string, public bool) string {
rename := p.rename
parts := strings.Split(cName, "_")
if isAllUpperStart(parts) {
if parts[0] == "" && public {
return "X" + cName
}
return cName
}
for i := 0; i < len(parts); i++ {
part := parts[i]
if part == "" {
if i == 0 && public {
parts[i] = "X_"
i++ // skip next part
} else {
parts[i] = "_"
}
} else if v, ok := rename[part]; ok {
parts[i] = v
} else if i > 0 || public {
parts[i] = cPubName(part)
}
}
return strings.Join(parts, "")
}

func (p *pkgCtx) nsName(ns, inner string) string {
if v, ok := p.rename[inner]; ok {
inner = v // special case
}
return nsName(ns, inner)
}

func nsName(ns, inner string) string {
if ns != "" {
c := ns[len(ns)-1]
if 'A' <= c && c <= 'Z' {
ns += "_"
}
}
if c := inner[0]; 'a' <= c && c <= 'z' {
return ns + string(c-'a'+'A') + inner[1:]
}
return ns + inner
}

func nameWithNS(name, ns string) string {
if ns == "" {
return name
}
return nsName(ns, name)
}

func isAllUpperStart(parts []string) bool {
for _, part := range parts {
if part != "" {
if r := part[0]; 'a' <= r && r <= 'z' {
return false
}
}
}
return true
}

func cutMethodPrefix(name, objName string) string {
name = cutPrefix(name, objName)
name = cutPrefix(name, "Get")
return cutPrefix(name, objName)
}

func cutPrefix(name, prefix string) string {
after, ok := strings.CutPrefix(name, prefix)
if ok && after != "" {
if c := after[0]; 'A' <= c && c <= 'Z' {
return after
}
}
return name
}

func cPubName(name string) string {
if r := name[0]; 'a' <= r && r <= 'z' {
r -= 'a' - 'A'
return string(r) + name[1:]
} else if r == '_' {
return "X" + name
}
return name
}

func rmPrefix(name string, prefix []string) string {
for _, pfx := range prefix {
if strings.HasPrefix(name, pfx) {
return name[len(pfx):]
}
}
return name
}

func rmSuffix(name string, suffix []string) string {
for _, sfx := range suffix {
if strings.HasSuffix(name, sfx) {
return name[:len(name)-len(sfx)]
}
}
return name
}

func contains(v string, names []string) bool {
for _, name := range names {
if name == v {
return true
}
}
return false
func (p *pkgCtx) isNSIgnored(cName string) bool {
return contains(cName, p.nsIgnores)
}

// -----------------------------------------------------------------------------
Expand Down Expand Up @@ -698,12 +479,4 @@ func (p *scopeCtx) reorder() {
}
}

func funcUSR(decl clang.Cursor) string {
return clang.USR(decl)
}

func funcDisplayName(decl clang.Cursor) string {
return clang.DisplayName(decl)
}

// -----------------------------------------------------------------------------
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