4108c51549
This is part of pulumi/lumi#147.
44 lines
1.6 KiB
Go
44 lines
1.6 KiB
Go
// Licensed to Pulumi Corporation ("Pulumi") under one or more
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// contributor license agreements. See the NOTICE file distributed with
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// this work for additional information regarding copyright ownership.
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// Pulumi licenses this file to You under the Apache License, Version 2.0
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// (the "License"); you may not use this file except in compliance with
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// the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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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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