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path: root/vendor/modernc.org/sqlite/vendor_libsqlite3.go
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Diffstat (limited to 'vendor/modernc.org/sqlite/vendor_libsqlite3.go')
-rw-r--r--vendor/modernc.org/sqlite/vendor_libsqlite3.go126
1 files changed, 126 insertions, 0 deletions
diff --git a/vendor/modernc.org/sqlite/vendor_libsqlite3.go b/vendor/modernc.org/sqlite/vendor_libsqlite3.go
new file mode 100644
index 0000000..d7190ec
--- /dev/null
+++ b/vendor/modernc.org/sqlite/vendor_libsqlite3.go
@@ -0,0 +1,126 @@
+// Copyright 2024 The Sqlite Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build none
+// +build none
+
+// Tool for 1.28+ -> 1.29+. Pulls adjusted libsqlite3 code to this repo.
+
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"go/token"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"modernc.org/gc/v3"
+)
+
+func fail(rc int, msg string, args ...any) {
+	fmt.Fprintln(os.Stderr, strings.TrimSpace(fmt.Sprintf(msg, args...)))
+	os.Exit(rc)
+}
+
+func main() {
+	for _, v := range []struct{ goos, goarch string }{
+		{"darwin", "amd64"},
+		{"darwin", "arm64"},
+		{"freebsd", "amd64"},
+		{"freebsd", "arm64"},
+		{"linux", "386"},
+		{"linux", "amd64"},
+		{"linux", "arm"},
+		{"linux", "arm64"},
+		{"linux", "loong64"},
+		{"linux", "ppc64le"},
+		{"linux", "riscv64"},
+		{"linux", "s390x"},
+		{"windows", "386"},
+		{"windows", "amd64"},
+	} {
+		base := fmt.Sprintf("ccgo_%s_%s.go", v.goos, v.goarch)
+		if v.goos == "windows" && v.goarch == "amd64" {
+			base = "ccgo_windows.go"
+		}
+		ifn := filepath.Join("..", "libsqlite3", base)
+		fmt.Printf("%s/%s\t%s\n", v.goos, v.goarch, ifn)
+		in, err := os.ReadFile(ifn)
+		if err != nil {
+			fail(1, "%s\n", err)
+		}
+
+		ast, err := gc.ParseFile(ifn, in)
+		if err != nil {
+			fail(1, "%s\n", err)
+		}
+
+		b := bytes.NewBuffer(nil)
+		s := ast.SourceFile.PackageClause.Source(true)
+		s = strings.Replace(s, "package libsqlite3", "package sqlite3", 1)
+		fmt.Fprintln(b, s)
+		fmt.Fprint(b, ast.SourceFile.ImportDeclList.Source(true))
+		taken := map[string]struct{}{}
+		for n := ast.SourceFile.TopLevelDeclList; n != nil; n = n.List {
+			switch x := n.TopLevelDecl.(type) {
+			case *gc.TypeDeclNode:
+				adn := x.TypeSpecList.TypeSpec.(*gc.AliasDeclNode)
+				nm := adn.IDENT.Src()
+				taken[nm] = struct{}{}
+			}
+		}
+	loop:
+		for n := ast.SourceFile.TopLevelDeclList; n != nil; n = n.List {
+			switch x := n.TopLevelDecl.(type) {
+			case *gc.ConstDeclNode:
+				switch y := x.ConstSpec.(type) {
+				case *gc.ConstSpecNode:
+					if y.IDENT.Src() != "SQLITE_TRANSIENT" {
+						fmt.Fprintln(b, x.Source(true))
+					}
+				default:
+					panic(fmt.Sprintf("%v: %T %q", x.Position(), y, x.Source(false)))
+				}
+
+			case *gc.FunctionDeclNode:
+				fmt.Fprintln(b, x.Source(true))
+			case *gc.TypeDeclNode:
+				fmt.Fprintln(b, x.Source(true))
+				adn := x.TypeSpecList.TypeSpec.(*gc.AliasDeclNode)
+				nm := adn.IDENT.Src()
+				nm2 := nm[1:]
+				if _, ok := taken[nm2]; ok {
+					break
+				}
+
+				if token.IsExported(nm) {
+					fmt.Fprintf(b, "\ntype %s = %s\n", nm2, nm)
+				}
+			case *gc.VarDeclNode:
+				fmt.Fprintln(b, x.Source(true))
+			default:
+				fmt.Printf("%v: TODO %T\n", n.Position(), x)
+				break loop
+			}
+		}
+
+		b.WriteString(`
+type Sqlite3_int64 = sqlite3_int64
+type Sqlite3_mutex_methods = sqlite3_mutex_methods
+type Sqlite3_value = sqlite3_value
+
+type Sqlite3_index_info = sqlite3_index_info
+type Sqlite3_module = sqlite3_module
+type Sqlite3_vtab = sqlite3_vtab
+type Sqlite3_vtab_cursor = sqlite3_vtab_cursor
+
+`)
+		base = strings.Replace(base, "ccgo_", "sqlite_", 1)
+		if err := os.WriteFile(filepath.Join("lib", base), b.Bytes(), 0660); err != nil {
+			fail(1, "%s\n", err)
+		}
+	}
+}