52 lines
1.3 KiB
Go
52 lines
1.3 KiB
Go
// Copyright 2017 Pulumi, Inc. All rights reserved.
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package diag
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import (
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"fmt"
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)
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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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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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}
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// Message returns an anonymous diagnostic message without any source or ID information.
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func Message(msg string, args ...interface{}) *Diag {
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return &Diag{Message: fmt.Sprintf(msg, args...)}
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}
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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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}
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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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var doc *Document
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var loc *Location
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if d != nil {
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doc, loc = d.Where()
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}
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return &Diag{
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ID: diag.ID,
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Message: diag.Message,
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Doc: doc,
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Loc: loc,
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}
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}
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// AtFile adds a file to an existing diagnostic, retaining its ID and message.
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func (diag *Diag) AtFile(file string) *Diag {
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return &Diag{
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ID: diag.ID,
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Message: diag.Message,
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Doc: NewDocument(file),
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}
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}
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