From f084144f7a12180ded0a679c29f7aa62438955aa Mon Sep 17 00:00:00 2001
From: xushiwei <x@goplus.org>
Date: Mon, 11 Dec 2023 00:37:09 +0800
Subject: [PATCH] cl.Package

---
 cl/compile.go | 46 ++++++++++++++++++++++++++++++++++++++++++++--
 cl/symbol.go  | 33 ++++++++++++++++++++-------------
 2 files changed, 64 insertions(+), 15 deletions(-)

diff --git a/cl/compile.go b/cl/compile.go
index 83ac1c15..fe54f3ce 100644
--- a/cl/compile.go
+++ b/cl/compile.go
@@ -18,6 +18,8 @@ package cl
 
 import (
 	"go/types"
+	"os"
+	"runtime"
 	"sort"
 
 	"github.com/goplus/llgo/loader"
@@ -189,7 +191,11 @@ func (c *context) createEmbedGlobal(member *ssa.Global, global llvm.Value, files
 	panic("todo")
 }
 
-func NewPackage(moduleName string, pkg loader.Package, conf *Config) (ret llvm.Module, err error) {
+type Package struct {
+	llvm.Module
+}
+
+func NewPackage(moduleName string, pkg loader.Package, conf *Config) (ret Package, err error) {
 	ssaPkg := pkg.SSA
 	ssaPkg.Build()
 
@@ -227,5 +233,41 @@ func NewPackage(moduleName string, pkg loader.Package, conf *Config) (ret llvm.M
 		)
 	}
 	*/
-	return c.mod, c.errs.ToError()
+	ret.Module = c.mod
+	err = c.errs.ToError()
+	return
+}
+
+func (p Package) Dispose() {
+	p.Module.Dispose()
+}
+
+func (p Package) WriteFile(file string) (err error) {
+	f, err := os.Create(file)
+	if err != nil {
+		return
+	}
+	err = p.WriteTo(f)
+	f.Close()
+	if err != nil {
+		os.Remove(file)
+	}
+	return
+}
+
+func (p Package) WriteTo(f *os.File) (err error) {
+	if runtime.GOOS == "windows" {
+		// Work around a problem on Windows.
+		// For some reason, WriteBitcodeToFile causes TinyGo to
+		// exit with the following message:
+		//   LLVM ERROR: IO failure on output stream: Bad file descriptor
+		buf := llvm.WriteBitcodeToMemoryBuffer(p.Module)
+		defer buf.Dispose()
+		_, err = f.Write(buf.Bytes())
+	} else {
+		// Otherwise, write bitcode directly to the file (probably
+		// faster).
+		err = llvm.WriteBitcodeToFile(p.Module, f)
+	}
+	return
 }
diff --git a/cl/symbol.go b/cl/symbol.go
index 7db0d222..eb8e8d5f 100644
--- a/cl/symbol.go
+++ b/cl/symbol.go
@@ -30,17 +30,21 @@ import (
 // The linkName value contains a valid link name, even if //go:linkname is not
 // present.
 type functionInfo struct {
-	wasmModule string     // go:wasm-module
-	wasmName   string     // wasm-export-name or wasm-import-name in the IR
-	linkName   string     // go:linkname, go:export - the IR function name
-	section    string     // go:section - object file section name
-	exported   bool       // go:export, CGo
-	interrupt  bool       // go:interrupt
-	nobounds   bool       // go:nobounds
-	variadic   bool       // go:variadic (CGo only)
-	inline     inlineType // go:inline
+	/*
+	   wasmModule string     // go:wasm-module
+	   wasmName   string     // wasm-export-name or wasm-import-name in the IR
+	   linkName   string     // go:linkname, go:export - the IR function name
+	   section    string     // go:section - object file section name
+	   exported   bool       // go:export, CGo
+	   interrupt  bool       // go:interrupt
+	   nobounds   bool       // go:nobounds
+	   variadic   bool       // go:variadic (CGo only)
+	   inline     inlineType // go:inline
+	*/
+	linkName string // go:linkname, go:export - the IR function name
 }
 
+/*
 type inlineType int
 
 // How much to inline.
@@ -59,6 +63,7 @@ const (
 	// //go:noinline.
 	inlineNone
 )
+*/
 
 // getFunctionInfo returns information about a function that is not directly
 // present in *ssa.Function, such as the link name and whether it should be
@@ -71,10 +76,12 @@ func (c *context) getFunctionInfo(f *ssa.Function) functionInfo {
 // linkName is equal to .RelString(nil) on a global and extern is false, but for
 // some symbols this is different (due to //go:extern for example).
 type globalInfo struct {
-	linkName string // go:extern
-	extern   bool   // go:extern
-	align    int    // go:align
-	section  string // go:section
+	/*
+	   linkName string // go:extern
+	   align    int    // go:align
+	*/
+	section string // go:section
+	extern  bool   // go:extern
 }
 
 func (c *context) loadASTComments(loader.Package) {