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// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package tfconfig
import (
legacyhcltoken "github.com/hashicorp/hcl/hcl/token"
"github.com/hashicorp/hcl/v2"
)
// SourcePos is a pointer to a particular location in a source file.
//
// This type is embedded into other structs to allow callers to locate the
// definition of each described module element. The SourcePos of an element
// is usually the first line of its definition, although the definition can
// be a little "fuzzy" with JSON-based config files.
type SourcePos struct {
Filename string `json:"filename"`
Line int `json:"line"`
}
func sourcePos(filename string, line int) SourcePos {
return SourcePos{
Filename: filename,
Line: line,
}
}
func sourcePosHCL(rng hcl.Range) SourcePos {
// We intentionally throw away the column information here because
// current and legacy HCL both disagree on the definition of a column
// and so a line-only reference is the best granularity we can do
// such that the result is consistent between both parsers.
return SourcePos{
Filename: rng.Filename,
Line: rng.Start.Line,
}
}
func sourcePosLegacyHCL(pos legacyhcltoken.Pos, filename string) SourcePos {
useFilename := pos.Filename
// We'll try to use the filename given in legacy HCL position, but
// in practice there's no way to actually get this populated via
// the HCL API so it's usually empty except in some specialized
// situations, such as positions in error objects.
if useFilename == "" {
useFilename = filename
}
return SourcePos{
Filename: useFilename,
Line: pos.Line,
}
}
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