62 lines
1.6 KiB
Go
62 lines
1.6 KiB
Go
/*
|
|
* Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package llgen
|
|
|
|
import (
|
|
"os"
|
|
|
|
"github.com/goplus/llgo/cl"
|
|
"golang.org/x/tools/go/packages"
|
|
"golang.org/x/tools/go/ssa"
|
|
"golang.org/x/tools/go/ssa/ssautil"
|
|
|
|
llssa "github.com/goplus/llgo/ssa"
|
|
)
|
|
|
|
const (
|
|
loadFiles = packages.NeedName | packages.NeedFiles | packages.NeedCompiledGoFiles
|
|
loadImports = loadFiles | packages.NeedImports
|
|
loadTypes = loadImports | packages.NeedTypes | packages.NeedTypesSizes
|
|
loadSyntax = loadTypes | packages.NeedSyntax | packages.NeedTypesInfo
|
|
)
|
|
|
|
func GenFromFile(inFile string) string {
|
|
cfg := &packages.Config{
|
|
Mode: loadSyntax,
|
|
}
|
|
initial, err := packages.Load(cfg, inFile)
|
|
check(err)
|
|
|
|
_, pkgs := ssautil.AllPackages(initial, ssa.SanityCheckFunctions)
|
|
|
|
pkg := initial[0]
|
|
ssaPkg := pkgs[0]
|
|
ssaPkg.Build()
|
|
|
|
prog := llssa.NewProgram(nil)
|
|
ret, err := cl.NewPackage(prog, ssaPkg, pkg.Syntax)
|
|
check(err)
|
|
|
|
return ret.String()
|
|
}
|
|
|
|
func DoFile(inFile, outFile string) {
|
|
ret := GenFromFile(inFile)
|
|
err := os.WriteFile(outFile, []byte(ret), 0644)
|
|
check(err)
|
|
}
|