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fixes #20026; marks system procs which can raise defects (#20864)

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* marks system procs which can raise defects

* add tests

* add more systemRaisesDefect

* add comment
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ringabout 2022-11-23 03:07:00 +08:00 • committed by GitHub
commit 0448f30fd9
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7 changed files with 26 additions and 19 deletions
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4
compiler/pragmas.nim
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@ -34,7 +34,7 @@ const
wAsmNoStackFrame, wDiscardable, wNoInit, wCodegenDecl,
wGensym, wInject, wRaises, wEffectsOf, wTags, wForbids, wLocks, wDelegator, wGcSafe,
wConstructor, wLiftLocals, wStackTrace, wLineTrace, wNoDestroy,
wRequires, wEnsures, wEnforceNoRaises}
wRequires, wEnsures, wEnforceNoRaises, wSystemRaisesDefect}
converterPragmas* = procPragmas
methodPragmas* = procPragmas+{wBase}-{wImportCpp}
templatePragmas* = {wDeprecated, wError, wGensym, wInject, wDirty,
@ -1229,6 +1229,8 @@ proc singlePragma(c: PContext, sym: PSym, n: PNode, i: var int,
pragmaEnsures(c, it)
of wEnforceNoRaises:
sym.flags.incl sfNeverRaises
of wSystemRaisesDefect:
sym.flags.incl sfSystemRaisesDefect
else: invalidPragma(c, it)
elif comesFromPush and whichKeyword(ident) != wInvalid:
discard "ignore the .push pragma; it doesn't apply"