pkg/dartpad/lib/src/exceptions.yaml

# Copyright (c) 2026, the Dart project authors.  Please see the AUTHORS file
# for details. All rights reserved. Use of this source code is governed by a
# BSD-style license that can be found in the LICENSE file.

# Definition of JSON-RPC 2.0 error codes used by DartPad Worker and
# sandboxed iframe.
#
# For each error code we generate an Exception, so that the client library can
# catch errors and throw them as custom Exception instances. The generated
# execeptions are written to exceptions.dart next to this file.
# See: tool/generate_execeptions.dart for further details.
#
# After updating entries here, do run:
#   pkg/dartpad/tool/generate_exceptions.dart
groups:
# Session errors (2xxx)
- name: Session
  description: Common base class for exceptions related to your DartPad session.
  codes:
    2001:
      name: WorkspaceNotFound
      description: The provided `workspaceId` does not exist.

# File system errors (4xxx)
- name: FileSystem
  description: |-
    Common base class for exceptions related to file-system operations.
  codes:
    4001:
      name: FileNotFound
      description: The requested file or directory does not exist.
    4002:
      name: FileWriteConflict
      description: Could not write file (e.g. parent is a file).
    4003:
      name: FileDeletionFailed
      description: Could not delete the requested entity.

# Language server errors (5xxx)
- name: LanguageServer
  description: Common base class for language server related exceptions.
  codes:
    5001:
      name: LanguageServerNotFound
      description: The `languageServerId` does not exist in this workspace.

# Compilation errors (6xxx)
- name: Compilation
  description: Common base class for exceptions related to compilation.
  codes:
    6001:
      name: CompilationFailed
      description: |-
        Failed to compile code, usually due to an issue in the code being
        compiled.
    6020:
      name: PackageConfigNotFound
      description: |-
        Unable to find `.dart_tool/package_config.json` in any parent directory.
    6100:
      name: HotReloadCompilerNotFound
      description: The `hotReloadCompilerId` does not exist in this workspace.
    6101:
      name: HotReloadRejected
      description: The hot reload request was rejected by the compiler.

# Pub errors (7xxx)
- name: Pub
  description: Common base class for pub related exceptions.
  codes:
    7001:
      name: PubCommandFailed
      description: The pub command failed to execute successfully.
    7064:
      name: PubUsage
      description: The command was used incorrectly.
    7065:
      name: PubData
      description: The input data was incorrect.
    7066:
      name: PubNoInput
      description: An input file did not exist or was unreadable.
    7067:
      name: PubNoUser
      description: The user specified did not exist.
    7068:
      name: PubNoHost
      description: The host specified did not exist.
    7069:
      name: PubUnavailable
      description: A service is unavailable.
    7070:
      name: PubSoftware
      description: An internal software error has been detected.
    7071:
      name: PubOs
      description: An operating system error has been detected.
    7072:
      name: PubOsFile
      description: Some system file did not exist or was unreadable.
    7073:
      name: PubCantCreate
      description: A user-specified output file cannot be created.
    7074:
      name: PubIo
      description: An error occurred while doing I/O on some file.
    7075:
      name: PubTempFail
      description: |-
        Temporary failure, indicating something that is not really an error.
    7076:
      name: PubProtocol
      description: |-
        The remote system returned something invalid during a protocol exchange.
    7077:
      name: PubNoPerm
      description: The user did not have sufficient permissions.
    7078:
      name: PubConfig
      description: Something was unconfigured or mis-configured.

# Sandbox errors (8xxx)
# Keep in sync: pkg/dartpad_worker/lib/src/asset/sandbox.js
- name: Sandbox
  description: |-
    Common base class for exceptions related to executing of user code in the
    iframe sandbox.
  codes:
    8001:
      name: ModuleLoaderNotAvailable
      description: |-
        The DDC module loader is has not been loaded into the sandbox.
    8002:
      name: FlutterLoaderNotAvailable
      description: The flutter loader has not been loaded into the sandbox.
    8100:
      name: ModuleLoadingFailed
      description: Failed to load module into the sandbox.
    8200:
      name: ExecutionFailed
      description: Error happened when running `main()` from user-code.
    8300:
      name: HotRestartFailed
      description: Hot-restart failed.
    8400:
      name: HotReloadFailed
      description: Hot-reload failed.