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revive #10228 (fix #9880) (#10610)

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* Make index out of bounds more useful by including the 'bounds'.
* fixes #9880 index out of bounds (remaining cases); revives #10228
* change err msg to: `index 3 not in 0 .. 1`
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Timothee Cour 2019-02-10 13:07:11 -08:00 • committed by Andreas Rumpf
commit 942495611b
11 changed files with 88 additions and 36 deletions
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8
lib/system/jssys.nim
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@ -7,6 +7,8 @@
# distribution, for details about the copyright.
#
import system/indexerrors
proc log*(s: cstring) {.importc: "console.log", varargs, nodecl.}
type
@ -157,8 +159,8 @@ proc raiseDivByZero {.exportc: "raiseDivByZero", noreturn, compilerProc.} =
proc raiseRangeError() {.compilerproc, noreturn.} =
raise newException(RangeError, "value out of range")
proc raiseIndexError() {.compilerproc, noreturn.} =
raise newException(IndexError, "index out of bounds")
proc raiseIndexError(i, a, b: int) {.compilerproc, noreturn.} =
raise newException(IndexError, formatErrorIndexBound(int(i), int(a), int(b)))
proc raiseFieldError(f: string) {.compilerproc, noreturn.} =
raise newException(FieldError, f & " is not accessible")
@ -626,7 +628,7 @@ proc arrayConstr(len: int, value: JSRef, typ: PNimType): JSRef {.
proc chckIndx(i, a, b: int): int {.compilerproc.} =
if i >= a and i <= b: return i
else: raiseIndexError()
else: raiseIndexError(i, a, b)
proc chckRange(i, a, b: int): int {.compilerproc.} =
if i >= a and i <= b: return i