func()

in tools/go-agent/instrument/plugins/instrument.go [317:341]

• 24 lines of code
• 9 McCabe index (conditional complexity)

func (i *Instrument) processPluginConfig(fileContent []byte) error {
	configFile, err := decorator.ParseFile(nil, "config.go", fileContent, parser.ParseComments)
	if err != nil {
		return err
	}
	for _, decl := range configFile.Decls {
		genDecl, ok := decl.(*dst.GenDecl)
		// if not var declaration or not contains config directive, then ignore
		if !ok || genDecl.Tok != token.VAR || !tools.ContainsDirective(genDecl, consts.DirectiveConfig) {
			continue
		}
		for _, spec := range genDecl.Specs {
			valueSpec, ok := spec.(*dst.ValueSpec)
			if !ok {
				return errors.New(fmt.Sprintf("invalid type of spec for config: %T", spec))
			}
			enhance, err := NewConfigEnhance(valueSpec, genDecl, i.realInst)
			if err != nil {
				return err
			}
			i.enhancements = append(i.enhancements, enhance)
		}
	}
	return nil
}