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the .deprecated pragma for procs now supports a user-definable deprecation message

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This commit is contained in:
Andreas Rumpf 2018-02-02 12:53:38 +01:00
commit 212457f5e0
5 changed files with 27 additions and 4 deletions
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14
compiler/suggest.nim
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@ -33,6 +33,7 @@
# included from sigmatch.nim
import algorithm, prefixmatches
from wordrecg import wDeprecated
when defined(nimsuggest):
import passes, tables # importer
@ -479,12 +480,23 @@ proc suggestSym*(info: TLineInfo; s: PSym; usageSym: var PSym; isDecl=true) {.in
isDecl:
suggestResult(symToSuggest(s, isLocal=false, ideOutline, info, 100, PrefixMatch.None, false, 0))
proc warnAboutDeprecated(info: TLineInfo; s: PSym) =
if s.kind in routineKinds:
let n = s.ast[pragmasPos]
if n.kind != nkEmpty:
for it in n:
if whichPragma(it) == wDeprecated and it.safeLen == 2 and
it[1].kind in {nkStrLit..nkTripleStrLit}:
message(info, warnDeprecated, it[1].strVal & "; " & s.name.s)
return
message(info, warnDeprecated, s.name.s)
proc markUsed(info: TLineInfo; s: PSym; usageSym: var PSym) =
incl(s.flags, sfUsed)
if s.kind == skEnumField and s.owner != nil:
incl(s.owner.flags, sfUsed)
if {sfDeprecated, sfError} * s.flags != {}:
if sfDeprecated in s.flags: message(info, warnDeprecated, s.name.s)
if sfDeprecated in s.flags: warnAboutDeprecated(info, s)
if sfError in s.flags: localError(info, errWrongSymbolX, s.name.s)
when defined(nimsuggest):
suggestSym(info, s, usageSym, false)