mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-12-04 23:56:30 +00:00
51 lines
1.4 KiB
Go
51 lines
1.4 KiB
Go
package code
|
||
|
||
import (
|
||
"bytes"
|
||
"go/ast"
|
||
"go/format"
|
||
|
||
"honnef.co/go/tools/pattern"
|
||
|
||
"golang.org/x/tools/go/analysis"
|
||
"golang.org/x/tools/go/analysis/passes/inspect"
|
||
"golang.org/x/tools/go/ast/inspector"
|
||
)
|
||
|
||
func Preorder(pass *analysis.Pass, fn func(ast.Node), types ...ast.Node) {
|
||
pass.ResultOf[inspect.Analyzer].(*inspector.Inspector).Preorder(types, fn)
|
||
}
|
||
|
||
func PreorderStack(pass *analysis.Pass, fn func(ast.Node, []ast.Node), types ...ast.Node) {
|
||
pass.ResultOf[inspect.Analyzer].(*inspector.Inspector).WithStack(types, func(n ast.Node, push bool, stack []ast.Node) (proceed bool) {
|
||
if push {
|
||
fn(n, stack)
|
||
}
|
||
return true
|
||
})
|
||
}
|
||
|
||
func Match(pass *analysis.Pass, q pattern.Pattern, node ast.Node) (*pattern.Matcher, bool) {
|
||
// Note that we ignore q.Relevant – callers of Match usually use
|
||
// AST inspectors that already filter on nodes we're interested
|
||
// in.
|
||
m := &pattern.Matcher{TypesInfo: pass.TypesInfo}
|
||
ok := m.Match(q.Root, node)
|
||
return m, ok
|
||
}
|
||
|
||
func MatchAndEdit(pass *analysis.Pass, before, after pattern.Pattern, node ast.Node) (*pattern.Matcher, []analysis.TextEdit, bool) {
|
||
m, ok := Match(pass, before, node)
|
||
if !ok {
|
||
return m, nil, false
|
||
}
|
||
r := pattern.NodeToAST(after.Root, m.State)
|
||
buf := &bytes.Buffer{}
|
||
format.Node(buf, pass.Fset, r)
|
||
edit := []analysis.TextEdit{{
|
||
Pos: node.Pos(),
|
||
End: node.End(),
|
||
NewText: buf.Bytes(),
|
||
}}
|
||
return m, edit, true
|
||
}
|