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deps.go
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deps.go
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/*
* Copyright (c) 2022 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 mod
import (
"strconv"
"strings"
goast "go/ast"
gotoken "go/token"
"github.com/goplus/gop/ast"
"github.com/goplus/gop/token"
)
// ----------------------------------------------------------------------------
type none struct{}
type Deps struct {
Pkgs map[string]none
}
func (p *Deps) Load(pkg *ast.Package, withGopStd bool) {
for _, f := range pkg.Files {
p.LoadFile(f, withGopStd)
}
for _, f := range pkg.GoFiles {
p.LoadGoFile(f)
}
}
func (p *Deps) LoadGoFile(f *goast.File) {
if p.Pkgs == nil {
p.Pkgs = make(map[string]none)
}
for _, imp := range f.Imports {
path := imp.Path
if path.Kind == gotoken.STRING {
if s, err := strconv.Unquote(path.Value); err == nil {
if s == "C" {
continue
}
p.Pkgs[s] = none{}
}
}
}
}
func (p *Deps) LoadFile(f *ast.File, withGopStd bool) {
if p.Pkgs == nil {
p.Pkgs = make(map[string]none)
}
for _, imp := range f.Imports {
path := imp.Path
if path.Kind == token.STRING {
if s, err := strconv.Unquote(path.Value); err == nil {
p.gopPkgPath(s, withGopStd)
}
}
}
}
func (p *Deps) gopPkgPath(s string, withGopStd bool) {
if strings.HasPrefix(s, "gop/") {
if !withGopStd {
return
}
s = "github.com/goplus/gop/" + s[4:]
} else if strings.HasPrefix(s, "C") {
if len(s) == 1 {
s = "github.com/goplus/libc"
} else if s[1] == '/' {
s = s[2:]
if strings.IndexByte(s, '/') < 0 {
s = "github.com/goplus/" + s
}
}
}
p.Pkgs[s] = none{}
}
// ----------------------------------------------------------------------------