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37 lines
1.3 KiB
Plaintext
37 lines
1.3 KiB
Plaintext
import java
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import semmle.code.configfiles.ConfigFiles
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// Locations should either be :0:0:0:0 locations (UnknownLocation, or
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// a whole file), or all 4 fields should be positive.
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Location badLocation() {
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[result.getStartLine(), result.getEndLine(), result.getStartColumn(), result.getEndColumn()] != 0 and
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[result.getStartLine(), result.getEndLine(), result.getStartColumn(), result.getEndColumn()] < 1
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}
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// The start should not be after the end.
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Location backwardsLocation() {
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result.getStartLine() > result.getEndLine()
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or
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result.getStartLine() = result.getEndLine() and
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result.getStartColumn() > result.getEndColumn()
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}
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Location unusedLocation() {
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not exists(Top t | t.getLocation() = result) and
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not exists(XMLLocatable x | x.getLocation() = result) and
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not exists(ConfigLocatable c | c.getLocation() = result) and
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not exists(@diagnostic d | diagnostics(d, _, _, _, _, result)) and
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not (result.getFile().getExtension() = "xml" and
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result.getStartLine() = 0 and
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result.getStartColumn() = 0 and
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result.getEndLine() = 0 and
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result.getEndColumn() = 0)
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}
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from string reason, Location l
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where reason = "Bad location" and l = badLocation()
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or reason = "Backwards location" and l = backwardsLocation()
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or reason = "Unused location" and l = unusedLocation()
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select reason, l
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