mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2026-01-08 08:11:55 +00:00
127 lines
3.5 KiB
Go
127 lines
3.5 KiB
Go
/* Copyright 2018 The Bazel Authors. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package proto
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import (
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"errors"
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"fmt"
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"log"
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"path"
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"sort"
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"strings"
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"github.com/bazelbuild/bazel-gazelle/internal/config"
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"github.com/bazelbuild/bazel-gazelle/internal/label"
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"github.com/bazelbuild/bazel-gazelle/internal/repos"
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"github.com/bazelbuild/bazel-gazelle/internal/resolve"
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"github.com/bazelbuild/bazel-gazelle/internal/rule"
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)
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func (_ *protoLang) Imports(c *config.Config, r *rule.Rule, f *rule.File) []resolve.ImportSpec {
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rel := f.Pkg
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srcs := r.AttrStrings("srcs")
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imports := make([]resolve.ImportSpec, len(srcs))
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for i, src := range srcs {
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imports[i] = resolve.ImportSpec{Lang: "proto", Imp: path.Join(rel, src)}
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}
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return imports
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}
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func (_ *protoLang) Embeds(r *rule.Rule, from label.Label) []label.Label {
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return nil
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}
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func (_ *protoLang) Resolve(c *config.Config, ix *resolve.RuleIndex, rc *repos.RemoteCache, r *rule.Rule, from label.Label) {
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importsRaw := r.PrivateAttr(config.GazelleImportsKey)
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if importsRaw == nil {
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// may not be set in tests.
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return
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}
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imports := importsRaw.([]string)
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r.DelAttr("deps")
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depSet := make(map[string]bool)
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for _, imp := range imports {
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l, err := resolveProto(c, ix, r, imp, from)
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if err == skipImportError {
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continue
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} else if err != nil {
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log.Print(err)
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} else {
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l = l.Rel(from.Repo, from.Pkg)
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depSet[l.String()] = true
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}
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}
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if len(depSet) > 0 {
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deps := make([]string, 0, len(depSet))
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for dep := range depSet {
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deps = append(deps, dep)
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}
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sort.Strings(deps)
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r.SetAttr("deps", deps)
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}
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}
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var (
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skipImportError = errors.New("std import")
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notFoundError = errors.New("not found")
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)
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func resolveProto(c *config.Config, ix *resolve.RuleIndex, r *rule.Rule, imp string, from label.Label) (label.Label, error) {
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pc := GetProtoConfig(c)
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if !strings.HasSuffix(imp, ".proto") {
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return label.NoLabel, fmt.Errorf("can't import non-proto: %q", imp)
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}
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if l, ok := resolve.FindRuleWithOverride(c, resolve.ImportSpec{Imp: imp, Lang: "proto"}, "proto"); ok {
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return l, nil
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}
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if l, ok := knownImports[imp]; ok && pc.Mode.ShouldUseKnownImports() {
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if l.Equal(from) {
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return label.NoLabel, skipImportError
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} else {
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return l, nil
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}
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}
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if l, err := resolveWithIndex(ix, imp, from); err == nil || err == skipImportError {
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return l, err
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} else if err != notFoundError {
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return label.NoLabel, err
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}
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rel := path.Dir(imp)
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if rel == "." {
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rel = ""
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}
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name := RuleName(rel)
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return label.New("", rel, name), nil
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}
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func resolveWithIndex(ix *resolve.RuleIndex, imp string, from label.Label) (label.Label, error) {
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matches := ix.FindRulesByImport(resolve.ImportSpec{Lang: "proto", Imp: imp}, "proto")
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if len(matches) == 0 {
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return label.NoLabel, notFoundError
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}
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if len(matches) > 1 {
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return label.NoLabel, fmt.Errorf("multiple rules (%s and %s) may be imported with %q from %s", matches[0].Label, matches[1].Label, imp, from)
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}
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if matches[0].IsSelfImport(from) {
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return label.NoLabel, skipImportError
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}
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return matches[0].Label, nil
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}
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