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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| package analyzer | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "fmt" | ||
| "go/ast" | ||
| "go/format" | ||
| "go/token" | ||
| "io/ioutil" | ||
| "strings" | ||
|
|
||
| "github.com/Toru-Takagi/sql_formatter_go/formatter" | ||
| "golang.org/x/tools/go/analysis" | ||
| ) | ||
|
|
||
| var FormatSQLAnalyzer = &analysis.Analyzer{ | ||
| Name: "format_sql", | ||
| Doc: "Only target those of sql string", | ||
| Run: formatSQLRun, | ||
| } | ||
|
|
||
| func formatSQLRun(pass *analysis.Pass) (interface{}, error) { | ||
| for _, astFile := range pass.Files { | ||
| var formatErr error | ||
| isFormatted := false | ||
|
|
||
| fname := pass.Fset.Position(astFile.Package).Filename | ||
|
|
||
| if strings.HasSuffix(fname, "_gen.go") { | ||
| // Skip generated files | ||
| return nil, nil | ||
| } | ||
|
|
||
| ast.Inspect(astFile, func(n ast.Node) bool { | ||
| if n == nil { | ||
| return false | ||
| } | ||
|
|
||
| switch x := n.(type) { | ||
| case *ast.GenDecl: | ||
| if x.Tok == token.CONST { | ||
| for _, spec := range x.Specs { | ||
| vspec := spec.(*ast.ValueSpec) | ||
| for _, v := range vspec.Values { | ||
| if basicList, ok := v.(*ast.BasicLit); ok { | ||
| trimSQL := strings.TrimSpace(strings.NewReplacer([]string{ | ||
| "`", "", | ||
| `"`, "", | ||
| }...).Replace(basicList.Value)) | ||
| upperSQL := strings.ToUpper(trimSQL) | ||
| if strings.HasPrefix(upperSQL, "SELECT") || strings.HasPrefix(upperSQL, "INSERT") || strings.HasPrefix(upperSQL, "UPDATE") || strings.HasPrefix(upperSQL, "DELETE") { | ||
| result, err := formatter.Format(trimSQL, nil) | ||
| if err != nil { | ||
| formatErr = err | ||
| return false | ||
| } | ||
| basicList.Value = fmt.Sprintf("`%s`", result) | ||
| isFormatted = true | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| return true | ||
| }) | ||
|
|
||
| if formatErr != nil { | ||
| return nil, formatErr | ||
| } | ||
|
|
||
| if isFormatted { | ||
| var buf bytes.Buffer | ||
| if err := format.Node(&buf, pass.Fset, astFile); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| // Overwrite the original file with the new code | ||
| filename := pass.Fset.File(astFile.Pos()).Name() | ||
| if err := ioutil.WriteFile(filename, buf.Bytes(), 0644); err != nil { | ||
| return nil, err | ||
| } | ||
| } | ||
|
|
||
| } | ||
| return nil, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,5 +1,8 @@ | ||
| package main | ||
|
|
||
| func main() { | ||
| sql_formatter_go_main() | ||
| } | ||
| import ( | ||
| "github.com/Toru-Takagi/sql_formatter_go/analyzer" | ||
| "golang.org/x/tools/go/analysis/singlechecker" | ||
| ) | ||
|
|
||
| func main() { singlechecker.Main(analyzer.FormatSQLAnalyzer) } |
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