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cgo: full supports cgo preambles and auto compile c files

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This commit is contained in:
Li Jie
2024-11-14 16:13:13 +08:00
parent 89b111edca
commit a64f4219e9
16 changed files with 588 additions and 53 deletions
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43
internal/build/build.go
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@@ -286,8 +286,14 @@ func buildAllPkgs(ctx *context, initial []*packages.Package, verbose bool) (pkgs
pkg.ExportFile = ""
case cl.PkgLinkIR, cl.PkgLinkExtern, cl.PkgPyModule:
if len(pkg.GoFiles) > 0 {
buildPkg(ctx, aPkg, verbose)
pkg.ExportFile = " " + concatPkgLinkFiles(ctx, pkg, verbose) + " " + pkg.ExportFile
cgoParts, err := buildPkg(ctx, aPkg, verbose)
if err != nil {
panic(err)
}
linkParts := concatPkgLinkFiles(ctx, pkg, verbose)
allParts := append(linkParts, cgoParts...)
allParts = append(allParts, pkg.ExportFile)
pkg.ExportFile = " " + strings.Join(allParts, " ")
} else {
// panic("todo")
// TODO(xsw): support packages out of llgo
@@ -337,7 +343,12 @@ func buildAllPkgs(ctx *context, initial []*packages.Package, verbose bool) (pkgs
}
}
default:
buildPkg(ctx, aPkg, verbose)
cgoParts, err := buildPkg(ctx, aPkg, verbose)
if err != nil {
panic(err)
}
allParts := append(cgoParts, pkg.ExportFile)
pkg.ExportFile = " " + strings.Join(allParts, " ")
setNeedRuntimeOrPyInit(pkg, prog.NeedRuntime, prog.NeedPyInit)
}
}
@@ -483,7 +494,7 @@ func linkMainPkg(ctx *context, pkg *packages.Package, pkgs []*aPackage, llFiles
return
}
func buildPkg(ctx *context, aPkg *aPackage, verbose bool) {
func buildPkg(ctx *context, aPkg *aPackage, verbose bool) (cgoParts []string, err error) {
pkg := aPkg.Package
pkgPath := pkg.PkgPath
if debugBuild || verbose {
@@ -503,12 +514,13 @@ func buildPkg(ctx *context, aPkg *aPackage, verbose bool) {
cl.SetDebug(cl.DbgFlagAll)
}
ret, err := cl.NewPackageEx(ctx.prog, ctx.patches, aPkg.SSA, syntax)
ret, externs, err := cl.NewPackageEx(ctx.prog, ctx.patches, aPkg.SSA, syntax)
if showDetail {
llssa.SetDebug(0)
cl.SetDebug(0)
}
check(err)
cgoParts, err = parseCgo(ctx, aPkg, aPkg.Package.Syntax, externs, verbose)
if needLLFile(ctx.mode) {
pkg.ExportFile += ".ll"
os.WriteFile(pkg.ExportFile, []byte(ret.String()), 0644)
@@ -517,6 +529,7 @@ func buildPkg(ctx *context, aPkg *aPackage, verbose bool) {
}
}
aPkg.LPkg = ret
return
}
const (
@@ -690,25 +703,11 @@ func isSingleLinkFile(ret string) bool {
return len(ret) > 0 && ret[0] != ' '
}
func concatPkgLinkFiles(ctx *context, pkg *packages.Package, verbose bool) string {
var b strings.Builder
var ret string
var n int
func concatPkgLinkFiles(ctx *context, pkg *packages.Package, verbose bool) (parts []string) {
llgoPkgLinkFiles(ctx, pkg, func(linkFile string) {
if n == 0 {
ret = linkFile
} else {
b.WriteByte(' ')
b.WriteString(linkFile)
}
n++
parts = append(parts, linkFile)
}, verbose)
if n > 1 {
b.WriteByte(' ')
b.WriteString(ret)
return b.String()
}
return ret
return
}
// const LLGoFiles = "file1; file2; ..."