mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-06-27 09:30:47 +00:00
125 lines
3 KiB
Go
125 lines
3 KiB
Go
// Copyright 2024 The Sqlite Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build none
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// +build none
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// Tool for 1.28+ -> 1.29+. Pulls adjusted libsqlite3 code to this repo.
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package main
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import (
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"bytes"
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"fmt"
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"go/token"
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"os"
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"path/filepath"
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"strings"
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"modernc.org/gc/v3"
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)
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func fail(rc int, msg string, args ...any) {
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fmt.Fprintln(os.Stderr, strings.TrimSpace(fmt.Sprintf(msg, args...)))
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os.Exit(rc)
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}
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func main() {
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for _, v := range []struct{ goos, goarch string }{
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{"darwin", "amd64"},
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{"darwin", "arm64"},
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{"freebsd", "amd64"},
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{"freebsd", "arm64"},
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{"linux", "386"},
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{"linux", "amd64"},
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{"linux", "arm"},
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{"linux", "arm64"},
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{"linux", "ppc64le"},
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{"linux", "riscv64"},
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{"linux", "s390x"},
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{"windows", "amd64"},
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} {
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fmt.Printf("%s/%s\n", v.goos, v.goarch)
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base := fmt.Sprintf("ccgo_%s_%s.go", v.goos, v.goarch)
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if v.goos == "windows" {
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base = "ccgo_windows.go"
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}
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ifn := filepath.Join("..", "libsqlite3", base)
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in, err := os.ReadFile(ifn)
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if err != nil {
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fail(1, "%s\n", err)
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}
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ast, err := gc.ParseFile(ifn, in)
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if err != nil {
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fail(1, "%s\n", err)
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}
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b := bytes.NewBuffer(nil)
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s := ast.SourceFile.PackageClause.Source(true)
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s = strings.Replace(s, "package libsqlite3", "package sqlite3", 1)
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fmt.Fprintln(b, s)
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fmt.Fprint(b, ast.SourceFile.ImportDeclList.Source(true))
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taken := map[string]struct{}{}
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for n := ast.SourceFile.TopLevelDeclList; n != nil; n = n.List {
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switch x := n.TopLevelDecl.(type) {
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case *gc.TypeDeclNode:
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adn := x.TypeSpecList.TypeSpec.(*gc.AliasDeclNode)
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nm := adn.IDENT.Src()
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taken[nm] = struct{}{}
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}
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}
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loop:
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for n := ast.SourceFile.TopLevelDeclList; n != nil; n = n.List {
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switch x := n.TopLevelDecl.(type) {
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case *gc.ConstDeclNode:
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switch y := x.ConstSpec.(type) {
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case *gc.ConstSpecNode:
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if y.IDENT.Src() != "SQLITE_TRANSIENT" {
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fmt.Fprintln(b, x.Source(true))
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}
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default:
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panic(fmt.Sprintf("%v: %T %q", x.Position(), y, x.Source(false)))
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}
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case *gc.FunctionDeclNode:
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fmt.Fprintln(b, x.Source(true))
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case *gc.TypeDeclNode:
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fmt.Fprintln(b, x.Source(true))
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adn := x.TypeSpecList.TypeSpec.(*gc.AliasDeclNode)
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nm := adn.IDENT.Src()
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nm2 := nm[1:]
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if _, ok := taken[nm2]; ok {
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break
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}
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if token.IsExported(nm) {
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fmt.Fprintf(b, "\ntype %s = %s\n", nm2, nm)
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}
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case *gc.VarDeclNode:
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fmt.Fprintln(b, x.Source(true))
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default:
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fmt.Printf("%v: TODO %T\n", n.Position(), x)
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break loop
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}
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}
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b.WriteString(`
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type Sqlite3_int64 = sqlite3_int64
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type Sqlite3_mutex_methods = sqlite3_mutex_methods
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type Sqlite3_value = sqlite3_value
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type Sqlite3_index_info = sqlite3_index_info
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type Sqlite3_module = sqlite3_module
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type Sqlite3_vtab = sqlite3_vtab
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type Sqlite3_vtab_cursor = sqlite3_vtab_cursor
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`)
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base = strings.Replace(base, "ccgo_", "sqlite_", 1)
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if err := os.WriteFile(filepath.Join("lib", base), b.Bytes(), 0660); err != nil {
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fail(1, "%s\n", err)
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}
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}
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}
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