mirror of
https://github.com/grafana/grafana.git
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473898e47c
* Move some thema code inside grafana * Use new codegen instead of thema for core kinds * Replace TS generator * Use new generator for go types * Remove thema from oapi generator * Remove thema from generators * Don't use kindsys/thema for core kinds * Remove kindsys/thema from plugins * Remove last thema related * Remove most of cuectx and move utils_ts into codegen. It also deletes wire dependency * Merge plugins generators * Delete thema dependency 🎉 * Fix CODEOWNERS * Fix package name * Fix TS output names * More path fixes * Fix mod codeowners * Use original plugin's name * Remove kindsys dependency 🎉 * Modify oapi schema and create an apply function to fix elasticsearch errors * cue.mod was deleted by mistake * Fix TS panels * sort imports * Fixing elasticsearch output * Downgrade oapi-codegen library * Update output ts files * More fixes * Restore old elasticsearch generated file and skip its generation. Remove core imports into plugins * More lint fixes * Add codeowners * restore embed.go file * Fix embed.go
100 lines
2.3 KiB
Go
100 lines
2.3 KiB
Go
package codegen
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import (
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"fmt"
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"regexp"
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"strings"
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"github.com/dave/dst"
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"github.com/dave/dst/dstutil"
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)
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type prefixmod struct {
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prefix string
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replace string
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rxp *regexp.Regexp
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rxpsuff *regexp.Regexp
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}
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// PrefixDropper returns a dstutil.ApplyFunc that removes the provided prefix
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// string when it appears as a leading sequence in type names, var names, and
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// comments in a generated Go file.
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func PrefixDropper(prefix string) dstutil.ApplyFunc {
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return (&prefixmod{
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prefix: prefix,
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rxpsuff: regexp.MustCompile(fmt.Sprintf(`%s([a-zA-Z_]+)`, prefix)),
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rxp: regexp.MustCompile(fmt.Sprintf(`%s([\s.,;-])`, prefix)),
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}).applyfunc
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}
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func depoint(e dst.Expr) dst.Expr {
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if star, is := e.(*dst.StarExpr); is {
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return star.X
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}
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return e
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}
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func (d prefixmod) applyfunc(c *dstutil.Cursor) bool {
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n := c.Node()
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switch x := n.(type) {
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case *dst.ValueSpec:
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d.handleExpr(x.Type)
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for _, id := range x.Names {
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d.do(id)
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}
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case *dst.TypeSpec:
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// Always do typespecs
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d.do(x.Name)
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case *dst.Field:
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// Don't rename struct fields. We just want to rename type declarations, and
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// field value specifications that reference those types.
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d.handleExpr(x.Type)
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case *dst.File:
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for _, def := range x.Decls {
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comments := def.Decorations().Start.All()
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def.Decorations().Start.Clear()
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// For any reason, sometimes it retrieves the comment duplicated 🤷
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commentMap := make(map[string]bool)
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for _, c := range comments {
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if _, ok := commentMap[c]; !ok {
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commentMap[c] = true
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def.Decorations().Start.Append(d.rxpsuff.ReplaceAllString(c, "$1"))
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if d.replace != "" {
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def.Decorations().Start.Append(d.rxp.ReplaceAllString(c, d.replace+"$1"))
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}
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}
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}
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}
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}
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return true
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}
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func (d prefixmod) handleExpr(e dst.Expr) {
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// Deref a StarExpr, if there is one
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expr := depoint(e)
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switch x := expr.(type) {
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case *dst.Ident:
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d.do(x)
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case *dst.ArrayType:
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if id, is := depoint(x.Elt).(*dst.Ident); is {
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d.do(id)
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}
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case *dst.MapType:
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if id, is := depoint(x.Key).(*dst.Ident); is {
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d.do(id)
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}
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if id, is := depoint(x.Value).(*dst.Ident); is {
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d.do(id)
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}
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}
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}
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func (d prefixmod) do(n *dst.Ident) {
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if n.Name != d.prefix {
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n.Name = strings.TrimPrefix(n.Name, d.prefix)
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} else if d.replace != "" {
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n.Name = d.replace
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}
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}
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