2016-11-15 20:30:34 +01:00
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// Copyright 2016 Marapongo, Inc. All rights reserved.
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package diag
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// ID is a unique diagnostics identifier.
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type ID int
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// Diag is an instance of an error or warning generated by the compiler.
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type Diag struct {
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ID ID // a unique identifier for this diagnostic.
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Message string // a human-friendly message for this diagnostic.
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2016-11-16 02:42:22 +01:00
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Doc *Document // the document in which this diagnostic occurred.
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Loc *Location // the document location at which this diagnostic occurred.
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2016-11-15 20:30:34 +01:00
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}
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2016-11-23 16:44:03 +01:00
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// Diagable can be used to determine a diagnostic's position.
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type Diagable interface {
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Where() (*Document, *Location)
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2016-11-15 20:30:34 +01:00
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}
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2016-11-23 16:44:03 +01:00
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// At adds a position to an existing diagnostic, retaining its ID and message.
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func (diag *Diag) At(d Diagable) *Diag {
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doc, loc := d.Where()
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2016-11-15 20:30:34 +01:00
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return &Diag{
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ID: diag.ID,
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Message: diag.Message,
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2016-11-16 02:42:22 +01:00
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Doc: doc,
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2016-11-23 16:44:03 +01:00
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Loc: loc,
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2016-11-16 02:42:22 +01:00
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}
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}
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2017-01-28 00:42:39 +01:00
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// AtFile adds a file to an existing diagnostic, retaining its ID and message.
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2016-11-23 16:44:03 +01:00
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func (diag *Diag) AtFile(file string) *Diag {
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2016-11-16 02:42:22 +01:00
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return &Diag{
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ID: diag.ID,
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Message: diag.Message,
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2016-11-23 16:44:03 +01:00
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Doc: NewDocument(file),
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2016-11-15 20:30:34 +01:00
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}
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}
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