github.com/cnboonhan/delve@v0.0.0-20230908061759-363f2388c2fb/service/dap/config.go (about)

     1  package dap
     2  
     3  import (
     4  	"bytes"
     5  	"fmt"
     6  	"strings"
     7  
     8  	"github.com/go-delve/delve/pkg/config"
     9  )
    10  
    11  func listConfig(args *launchAttachArgs) string {
    12  	var buf bytes.Buffer
    13  	config.ConfigureList(&buf, args, "cfgName")
    14  	return buf.String()
    15  }
    16  
    17  func configureSet(sargs *launchAttachArgs, args string) (bool, string, error) {
    18  	v := config.Split2PartsBySpace(args)
    19  
    20  	cfgname := v[0]
    21  	var rest string
    22  	if len(v) == 2 {
    23  		rest = v[1]
    24  	}
    25  
    26  	field := config.ConfigureFindFieldByName(sargs, cfgname, "cfgName")
    27  	if !field.CanAddr() {
    28  		return false, "", fmt.Errorf("%q is not a configuration parameter", cfgname)
    29  	}
    30  
    31  	if cfgname == "substitutePath" {
    32  		err := configureSetSubstitutePath(sargs, rest)
    33  		if err != nil {
    34  			return false, "", err
    35  		}
    36  		// Print the updated client to server and server to client maps.
    37  		return true, config.ConfigureListByName(sargs, cfgname, "cfgName"), nil
    38  	}
    39  
    40  	err := config.ConfigureSetSimple(rest, cfgname, field)
    41  	if err != nil {
    42  		return false, "", err
    43  	}
    44  	return true, config.ConfigureListByName(sargs, cfgname, "cfgName"), nil
    45  }
    46  
    47  func configureSetSubstitutePath(args *launchAttachArgs, rest string) error {
    48  	if strings.TrimSpace(rest) == "-clear" {
    49  		args.substitutePathClientToServer = args.substitutePathClientToServer[:0]
    50  		args.substitutePathServerToClient = args.substitutePathServerToClient[:0]
    51  		return nil
    52  	}
    53  	argv := config.SplitQuotedFields(rest, '"')
    54  	if len(argv) == 2 && argv[0] == "-clear" {
    55  		argv = argv[1:]
    56  	}
    57  	switch len(argv) {
    58  	case 0:
    59  		// do nothing, let caller show the current list of substitute path rules
    60  		return nil
    61  	case 1: // delete substitute-path rule
    62  		for i := range args.substitutePathClientToServer {
    63  			if args.substitutePathClientToServer[i][0] == argv[0] {
    64  				copy(args.substitutePathClientToServer[i:], args.substitutePathClientToServer[i+1:])
    65  				args.substitutePathClientToServer = args.substitutePathClientToServer[:len(args.substitutePathClientToServer)-1]
    66  				copy(args.substitutePathServerToClient[i:], args.substitutePathServerToClient[i+1:])
    67  				args.substitutePathServerToClient = args.substitutePathServerToClient[:len(args.substitutePathServerToClient)-1]
    68  				return nil
    69  			}
    70  		}
    71  		return fmt.Errorf("could not find rule for %q", argv[0])
    72  	case 2: // add substitute-path rule
    73  		for i := range args.substitutePathClientToServer {
    74  			if args.substitutePathClientToServer[i][0] == argv[0] {
    75  				args.substitutePathClientToServer[i][1] = argv[1]
    76  				args.substitutePathServerToClient[i][0] = argv[1]
    77  				return nil
    78  			}
    79  		}
    80  		args.substitutePathClientToServer = append(args.substitutePathClientToServer, [2]string{argv[0], argv[1]})
    81  		args.substitutePathServerToClient = append(args.substitutePathServerToClient, [2]string{argv[1], argv[0]})
    82  
    83  	default:
    84  		return fmt.Errorf("too many arguments to \"config substitutePath\"")
    85  	}
    86  	return nil
    87  }