32 lines
911 B
Go
32 lines
911 B
Go
// Copyright 2016-2017, Pulumi Corporation. All rights reserved.
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package diag
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// Pos represents a position in a file.
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type Pos struct {
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Line int // a 1-based line number
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Column int // a 1-based column number
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}
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// EmptyPos may be used when no position is needed.
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var EmptyPos = Pos{0, 0}
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// IsEmpty returns true if the Pos information is missing.
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func (pos Pos) IsEmpty() bool {
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return pos.Line == 0 && pos.Column == 0
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}
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// Location represents a region spanning two positions in a file.
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type Location struct {
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Start Pos // a starting position.
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End *Pos // an ending position; if nil, represents a point.
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}
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// EmptyLocation may be used when no position information is available.
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var EmptyLocation = Location{EmptyPos, nil}
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// IsEmpty returns true if the Location information is missing.
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func (loc Location) IsEmpty() bool {
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return loc.Start.IsEmpty() && (loc.End == nil || loc.End.IsEmpty())
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}
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