pulumi/pkg/diag/diag.go
2017-02-25 07:25:33 -08:00

44 lines
1.2 KiB
Go

// Copyright 2016 Pulumi, Inc. All rights reserved.
package diag
// ID is a unique diagnostics identifier.
type ID int
// Diag is an instance of an error or warning generated by the compiler.
type Diag struct {
ID ID // a unique identifier for this diagnostic.
Message string // a human-friendly message for this diagnostic.
Doc *Document // the document in which this diagnostic occurred.
Loc *Location // the document location at which this diagnostic occurred.
}
// Message returns an anonymous diagnostic message without any source or ID information.
func Message(msg string) *Diag {
return &Diag{Message: msg}
}
// Diagable can be used to determine a diagnostic's position.
type Diagable interface {
Where() (*Document, *Location)
}
// At adds a position to an existing diagnostic, retaining its ID and message.
func (diag *Diag) At(d Diagable) *Diag {
doc, loc := d.Where()
return &Diag{
ID: diag.ID,
Message: diag.Message,
Doc: doc,
Loc: loc,
}
}
// AtFile adds a file to an existing diagnostic, retaining its ID and message.
func (diag *Diag) AtFile(file string) *Diag {
return &Diag{
ID: diag.ID,
Message: diag.Message,
Doc: NewDocument(file),
}
}