40 lines
978 B
Go
40 lines
978 B
Go
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package hclhil
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import (
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"github.com/apparentlymart/go-zcl/zcl"
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hclparser "github.com/hashicorp/hcl/hcl/parser"
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hcltoken "github.com/hashicorp/hcl/hcl/token"
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)
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// errorRange attempts to extract a source range from the given error,
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// returning a pointer to the range if possible or nil if not.
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//
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// errorRange understands HCL's "PosError" type, which wraps an error
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// with a source position.
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func errorRange(err error) *zcl.Range {
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if perr, ok := err.(*hclparser.PosError); ok {
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rng := rangeFromHCLPos(perr.Pos)
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return &rng
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}
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return nil
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}
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func rangeFromHCLPos(pos hcltoken.Pos) zcl.Range {
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// HCL only marks single positions rather than ranges, so we adapt this
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// by creating a single-character range at the given position.
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return zcl.Range{
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Filename: pos.Filename,
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Start: zcl.Pos{
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Byte: pos.Offset,
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Line: pos.Line,
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Column: pos.Column,
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},
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End: zcl.Pos{
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Byte: pos.Offset + 1,
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Line: pos.Line,
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Column: pos.Column + 1,
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},
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}
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}
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