func()

in tools/go-agent/instrument/plugins/instrument.go [133:166]

• 34 lines of code
• 13 McCabe index (conditional complexity)

func (i *Instrument) FilterAndEdit(path string, curFile *dst.File, cursor *dstutil.Cursor, allFiles []*dst.File) bool {
	switch n := cursor.Node().(type) {
	case *dst.TypeSpec:
		for _, filter := range i.structFilters {
			if !(i.verifyPackageIsMatch(path, filter) && i.validateStructIsMatch(filter.At, n, allFiles)) {
				continue
			}
			i.enhanceStruct(i.realInst, filter, n, path)
			tools.LogWithStructEnhance(i.compileOpts.Package, n.Name.Name, "", "adding enhanced instance field")
			i.containsEnhance = true
			return true
		}
	case *dst.FuncDecl:
		for _, filter := range i.methodFilters {
			if !(i.verifyPackageIsMatch(path, filter) && i.validateMethodInsMatch(filter.At, n, allFiles)) {
				continue
			}
			i.importAnalyzer.AnalyzeFileImports(path, curFile)
			i.enhanceMethod(i.realInst, filter, n, path)
			var receiver string
			if n.Recv != nil && len(n.Recv.List) > 0 {
				receiver = tools.GenerateTypeNameByExp(n.Recv.List[0].Type)
			}
			tools.LogWithMethodEnhance(i.compileOpts.Package, receiver, n.Name.Name, "adding enhanced method")
			i.containsEnhance = true
			return true
		}
	}
	if i.forceEnhance && !i.containsEnhance {
		i.containsEnhance = true
		return true
	}
	return false
}