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fix #8037 Numbers may not have a leading zero #8038

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Merged
merged 1 commit into from
Jan 20, 2020
Merged

fix #8037 Numbers may not have a leading zero #8038

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2 changes: 1 addition & 1 deletion compiler/src/dotty/tools/dotc/parsing/Scanners.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -722,7 +722,7 @@ object Scanners {
* there a realistic situation where one would need it?
*/
if (isDigit(ch) || (isNumberSeparator(ch) && isDigit(lookaheadChar())))
error("Non-zero numbers may not have a leading zero.")
error("Numbers may not have a leading zero.")
base = 10
}
getNumber()
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24 changes: 20 additions & 4 deletions tests/neg/t6124.check
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Expand Up @@ -57,19 +57,35 @@
-- Error: tests/neg/t6124.scala:27:11 ----------------------------------------------------------------------------------
27 | val x9 = 0_52 // error
| ^
| Non-zero numbers may not have a leading zero.
| Numbers may not have a leading zero.
-- Error: tests/neg/t6124.scala:28:12 ----------------------------------------------------------------------------------
28 | val x10 = 052 // error
| ^
| Non-zero numbers may not have a leading zero.
| Numbers may not have a leading zero.
-- Error: tests/neg/t6124.scala:29:12 ----------------------------------------------------------------------------------
29 | val x11 = 0_0.52 // error
| ^
| Non-zero numbers may not have a leading zero.
| Numbers may not have a leading zero.
-- Error: tests/neg/t6124.scala:30:12 ----------------------------------------------------------------------------------
30 | val x12 = 00.52 // error
| ^
| Non-zero numbers may not have a leading zero.
| Numbers may not have a leading zero.
-- Error: tests/neg/t6124.scala:31:12 ----------------------------------------------------------------------------------
31 | val x13 = 00 // error
| ^
| Numbers may not have a leading zero.
-- Error: tests/neg/t6124.scala:32:12 ----------------------------------------------------------------------------------
32 | val x14 = 00d // error
| ^
| Numbers may not have a leading zero.
-- Error: tests/neg/t6124.scala:33:12 ----------------------------------------------------------------------------------
33 | val x15 = 00.0 // error
| ^
| Numbers may not have a leading zero.
-- Error: tests/neg/t6124.scala:34:12 ----------------------------------------------------------------------------------
34 | val x16 = 0_0 // error
| ^
| Numbers may not have a leading zero.
-- Error: tests/neg/t6124.scala:12:17 ----------------------------------------------------------------------------------
12 | def tooSmall = 1.0E-325 // error
| ^^^^^^^^
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4 changes: 4 additions & 0 deletions tests/neg/t6124.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,10 @@ trait T {
val x10 = 052 // error
val x11 = 0_0.52 // error
val x12 = 00.52 // error
val x13 = 00 // error
val x14 = 00d // error
val x15 = 00.0 // error
val x16 = 0_0 // error

def z = 0
}