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new .redefine pragma for templates, warn on redefinition without it (#20211)

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* test CI for template redefinitions

* adapt asyncmacro

* fix quote

* fix again

* try something else

* revert

* fix ioselectors_select, disable packages CI

* adapt more tests & simplify

* more

* more

* more

* rename to redefine, warn on implicit redefinition

* basic documentation [skip ci]

* Update compiler/lineinfos.nim

Co-authored-by: konsumlamm <44230978+konsumlamm@users.noreply.github.com>

Co-authored-by: konsumlamm <44230978+konsumlamm@users.noreply.github.com>
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metagn 2022-08-23 22:41:30 +03:00 • committed by GitHub
commit d1d141b135
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19 changed files with 85 additions and 25 deletions
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5
compiler/pragmas.nim
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@ -38,7 +38,7 @@ const
converterPragmas* = procPragmas
methodPragmas* = procPragmas+{wBase}-{wImportCpp}
templatePragmas* = {wDeprecated, wError, wGensym, wInject, wDirty,
wDelegator, wExportNims, wUsed, wPragma}
wDelegator, wExportNims, wUsed, wPragma, wRedefine}
macroPragmas* = declPragmas + {FirstCallConv..LastCallConv,
wMagic, wNoSideEffect, wCompilerProc, wNonReloadable, wCore,
wDiscardable, wGensym, wInject, wDelegator}
@ -870,6 +870,9 @@ proc singlePragma(c: PContext, sym: PSym, n: PNode, i: var int,
of wDirty:
if sym.kind == skTemplate: incl(sym.flags, sfDirty)
else: invalidPragma(c, it)
of wRedefine:
if sym.kind == skTemplate: incl(sym.flags, sfTemplateRedefinition)
else: invalidPragma(c, it)
of wImportCpp:
processImportCpp(c, sym, getOptionalStr(c, it, "$1"), it.info)
of wCppNonPod: