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export c header file for build library

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This commit is contained in:
Li Jie
2025-09-11 14:07:58 +08:00
parent 729e5772a0
commit 3605eeeef7
5 changed files with 1465 additions and 45 deletions
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17
cl/import.go
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@@ -183,7 +183,9 @@ func (p *context) initFiles(pkgPath string, files []*ast.File, cPkg bool) {
if !p.initLinknameByDoc(decl.Doc, fullName, inPkgName, false) && cPkg {
// package C (https://github.com/goplus/llgo/issues/1165)
if decl.Recv == nil && token.IsExported(inPkgName) {
p.prog.SetLinkname(fullName, strings.TrimPrefix(inPkgName, "X"))
exportName := strings.TrimPrefix(inPkgName, "X")
p.prog.SetLinkname(fullName, exportName)
p.pkg.SetExport(fullName, exportName)
}
}
case *ast.GenDecl:
@@ -301,19 +303,19 @@ func (p *context) initLinkname(line string, f func(inPkgName string) (fullName s
directive = "//go:"
)
if strings.HasPrefix(line, linkname) {
p.initLink(line, len(linkname), f)
p.initLink(line, len(linkname), false, f)
return hasLinkname
} else if strings.HasPrefix(line, llgolink2) {
p.initLink(line, len(llgolink2), f)
p.initLink(line, len(llgolink2), false, f)
return hasLinkname
} else if strings.HasPrefix(line, llgolink) {
p.initLink(line, len(llgolink), f)
p.initLink(line, len(llgolink), false, f)
return hasLinkname
} else if strings.HasPrefix(line, export) {
// rewrite //export FuncName to //export FuncName FuncName
funcName := strings.TrimSpace(line[len(export):])
line = line + " " + funcName
p.initLink(line, len(export), f)
p.initLink(line, len(export), true, f)
return hasLinkname
} else if strings.HasPrefix(line, directive) {
// skip unknown annotation but continue to parse the next annotation
@@ -322,13 +324,16 @@ func (p *context) initLinkname(line string, f func(inPkgName string) (fullName s
return noDirective
}
func (p *context) initLink(line string, prefix int, f func(inPkgName string) (fullName string, isVar, ok bool)) {
func (p *context) initLink(line string, prefix int, export bool, f func(inPkgName string) (fullName string, isVar, ok bool)) {
text := strings.TrimSpace(line[prefix:])
if idx := strings.IndexByte(text, ' '); idx > 0 {
inPkgName := text[:idx]
if fullName, _, ok := f(inPkgName); ok {
link := strings.TrimLeft(text[idx+1:], " ")
p.prog.SetLinkname(fullName, link)
if export {
p.pkg.SetExport(fullName, link)
}
} else {
fmt.Fprintln(os.Stderr, "==>", line)
fmt.Fprintf(os.Stderr, "llgo: linkname %s not found and ignored\n", inPkgName)