65 lines
1.6 KiB
Go
65 lines
1.6 KiB
Go
// Copyright 2019 The gVisor Authors.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package nogo
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import (
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"encoding/gob"
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"log"
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"golang.org/x/tools/go/analysis"
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)
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// analyzers returns all configured analyzers.
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func analyzers() (all []*analysis.Analyzer) {
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for a, _ := range analyzerConfig {
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all = append(all, a)
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}
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return all
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}
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func init() {
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// Validate basic configuration.
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if err := analysis.Validate(analyzers()); err != nil {
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log.Fatalf("unable to validate analyzer: %v", err)
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}
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// Register all fact types.
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//
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// N.B. This needs to be done recursively, because there may be
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// analyzers in the Requires list that do not appear explicitly above.
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registered := make(map[*analysis.Analyzer]struct{})
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var register func(*analysis.Analyzer)
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register = func(a *analysis.Analyzer) {
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if _, ok := registered[a]; ok {
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return
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}
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// Regsiter dependencies.
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for _, da := range a.Requires {
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register(da)
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}
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// Register local facts.
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for _, f := range a.FactTypes {
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gob.Register(f)
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}
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registered[a] = struct{}{} // Done.
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}
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for _, a := range analyzers() {
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register(a)
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}
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}
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