cuelang.org/go@v0.10.1/mod/module/error.go (about)

     1  package module
     2  
     3  import (
     4  	"fmt"
     5  )
     6  
     7  // A ModuleError indicates an error specific to a module.
     8  type ModuleError struct {
     9  	Path    string
    10  	Version string
    11  	Err     error
    12  }
    13  
    14  func (e *ModuleError) Error() string {
    15  	if v, ok := e.Err.(*InvalidVersionError); ok {
    16  		return fmt.Sprintf("%s@%s: invalid version: %v", e.Path, v.Version, v.Err)
    17  	}
    18  	if e.Version != "" {
    19  		return fmt.Sprintf("%s@%s: %v", e.Path, e.Version, e.Err)
    20  	}
    21  	return fmt.Sprintf("module %s: %v", e.Path, e.Err)
    22  }
    23  
    24  func (e *ModuleError) Unwrap() error { return e.Err }
    25  
    26  // An InvalidVersionError indicates an error specific to a version, with the
    27  // module path unknown or specified externally.
    28  //
    29  // A ModuleError may wrap an InvalidVersionError, but an InvalidVersionError
    30  // must not wrap a ModuleError.
    31  type InvalidVersionError struct {
    32  	Version string
    33  	Err     error
    34  }
    35  
    36  func (e *InvalidVersionError) Error() string {
    37  	return fmt.Sprintf("version %q invalid: %s", e.Version, e.Err)
    38  }
    39  
    40  func (e *InvalidVersionError) Unwrap() error { return e.Err }
    41  
    42  // An InvalidPathError indicates a module, import, or file path doesn't
    43  // satisfy all naming constraints. See CheckPath, CheckImportPath,
    44  // and CheckFilePath for specific restrictions.
    45  type InvalidPathError struct {
    46  	Kind string // "module", "import", or "file"
    47  	Path string
    48  	Err  error
    49  }
    50  
    51  func (e *InvalidPathError) Error() string {
    52  	return fmt.Sprintf("malformed %s path %q: %v", e.Kind, e.Path, e.Err)
    53  }
    54  
    55  func (e *InvalidPathError) Unwrap() error { return e.Err }