/
visitors.go
98 lines (86 loc) · 2.3 KB
/
visitors.go
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// Copyright (c) 2021 Terminus, 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 sqllint
import (
"github.com/pingcap/parser"
"gopkg.in/yaml.v3"
"github.com/erda-project/erda/pkg/database/sqllint/linterror"
"github.com/erda-project/erda/pkg/database/sqllint/rules"
"github.com/erda-project/erda/pkg/database/sqllint/script"
)
type Linter struct {
stop bool
layer int
errs map[string][]error
reports map[string]map[string][]string
linters []rules.Ruler
}
func New(rules ...rules.Ruler) *Linter {
r := &Linter{
stop: false,
layer: 0,
errs: make(map[string][]error, 0),
reports: make(map[string]map[string][]string, 0),
linters: nil,
}
for _, l := range rules {
r.linters = append(r.linters, l)
}
return r
}
func (r *Linter) Input(scriptData []byte, scriptName string) error {
p := parser.New()
nodes, warns, err := p.Parse(string(scriptData), "", "")
if err != nil {
return err
}
s := script.New(scriptName, scriptData)
r.reports[scriptName] = make(map[string][]string, 0)
var errs []error
for _, node := range nodes {
for _, f := range r.linters {
linter := f(s)
_, _ = node.Accept(linter)
if err := linter.Error(); err != nil {
errs = append(errs, err)
lintError, ok := err.(linterror.LintError)
if !ok {
continue
}
stmtName := lintError.StmtName()
if stmtName == "" {
continue
}
r.reports[scriptName][stmtName] = append(r.reports[scriptName][stmtName], lintError.Lint)
}
}
}
if len(warns) > 0 {
r.errs[scriptName+" [warns]"] = warns
}
if len(errs) > 0 {
r.errs[scriptName+" [lints]"] = errs
}
return nil
}
func (r *Linter) Errors() map[string][]error {
return r.errs
}
func (r *Linter) Report() string {
data, err := yaml.Marshal(r.reports)
if err != nil {
return ""
}
return string(data)
}