tidb analyzer 源码
tidb analyzer 代码
文件路径：/build/linter/misspell/analyzer.go
// Copyright 2022 PingCAP, Inc.
//
// 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 misspell
import (
"fmt"
"go/token"
"github.com/golangci/misspell"
"github.com/pingcap/tidb/build/linter/util"
"golang.org/x/tools/go/analysis"
)
// Name is the name of the analyzer.
const Name = "misspell"
// Analyzer is the analyzer struct of misspell.
var Analyzer = &analysis.Analyzer{
Name: Name,
Doc: "Checks the spelling error in code",
Run: run,
}
func init() {
util.SkipAnalyzer(Analyzer)
}
// Misspell is the config of misspell.
type Misspell struct {
Locale string
IgnoreWords []string `mapstructure:"ignore-words"`
}
func run(pass *analysis.Pass) (interface{}, error) {
r := misspell.Replacer{
Replacements: misspell.DictMain,
}
// Figure out regional variations
settings := &Misspell{
Locale: "",
}
if len(settings.IgnoreWords) != 0 {
r.RemoveRule(settings.IgnoreWords)
}
r.Compile()
files := make([]string, 0, len(pass.Files))
for _, file := range pass.Files {
pos := pass.Fset.PositionFor(file.Pos(), false)
files = append(files, pos.Filename)
}
for _, f := range files {
err := runOnFile(f, &r, pass)
if err != nil {
return nil, err
}
}
return nil, nil
}
func runOnFile(fileName string, r *misspell.Replacer, pass *analysis.Pass) error {
fileContent, tf, err := util.ReadFile(pass.Fset, fileName)
if err != nil {
return fmt.Errorf("can't get file %s contents: %s", fileName, err)
}
// use r.Replace, not r.ReplaceGo because r.ReplaceGo doesn't find
// issues inside strings: it searches only inside comments. r.Replace
// searches all words: it treats input as a plain text. A standalone misspell
// tool uses r.Replace by default.
_, diffs := r.Replace(string(fileContent))
for _, diff := range diffs {
text := fmt.Sprintf("[%s] `%s` is a misspelling of `%s`", Name, diff.Original, diff.Corrected)
pass.Reportf(token.Pos(tf.Base()+util.FindOffset(string(fileContent), diff.Line, diff.Column)), text)
}
return nil
}
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