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[other] new experimental pragma .nodestroy for easier custom destructors

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This commit is contained in:
Andreas Rumpf 2019-06-20 19:41:03 +02:00
commit 55da84e141
2 changed files with 8 additions and 5 deletions
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9
compiler/pragmas.nim
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@ -25,9 +25,9 @@ const
wBorrow, wExtern, wImportCompilerProc, wThread, wImportCpp, wImportObjC, wBorrow, wExtern, wImportCompilerProc, wThread, wImportCpp, wImportObjC,
wAsmNoStackFrame, wError, wDiscardable, wNoInit, wCodegenDecl, wAsmNoStackFrame, wError, wDiscardable, wNoInit, wCodegenDecl,
wGensym, wInject, wRaises, wTags, wLocks, wDelegator, wGcSafe, wGensym, wInject, wRaises, wTags, wLocks, wDelegator, wGcSafe,
wConstructor, wExportNims, wUsed, wLiftLocals, wStacktrace, wLinetrace} wConstructor, wExportNims, wUsed, wLiftLocals, wStacktrace, wLinetrace, wNoDestroy}
converterPragmas* = procPragmas converterPragmas* = procPragmas - {wNoDestroy}
methodPragmas* = procPragmas+{wBase}-{wImportCpp} methodPragmas* = procPragmas+{wBase}-{wImportCpp, wNoDestroy}
templatePragmas* = {wDeprecated, wError, wGensym, wInject, wDirty, templatePragmas* = {wDeprecated, wError, wGensym, wInject, wDirty,
wDelegator, wExportNims, wUsed, wPragma} wDelegator, wExportNims, wUsed, wPragma}
macroPragmas* = {FirstCallConv..LastCallConv, wImportc, wExportc, macroPragmas* = {FirstCallConv..LastCallConv, wImportc, wExportc,
@ -874,6 +874,9 @@ proc singlePragma(c: PContext, sym: PSym, n: PNode, i: var int,
if sym.typ[0] != nil: if sym.typ[0] != nil:
localError(c.config, sym.ast[paramsPos][0].info, localError(c.config, sym.ast[paramsPos][0].info,
".noreturn with return type not allowed") ".noreturn with return type not allowed")
of wNoDestroy:
noVal(c, it)
incl(sym.flags, sfGeneratedOp)
of wDynlib: of wDynlib:
processDynLib(c, it, sym) processDynLib(c, it, sym)
of wCompilerProc, wCore: of wCompilerProc, wCore:

4
compiler/wordrecg.nim
View file

@ -57,7 +57,7 @@ type
wAssertions, wPatterns, wTrMacros, wWarnings, wAssertions, wPatterns, wTrMacros, wWarnings,
wHints, wOptimization, wRaises, wWrites, wReads, wSize, wEffects, wTags, wHints, wOptimization, wRaises, wWrites, wReads, wSize, wEffects, wTags,
wDeadCodeElimUnused, # deprecated, dead code elim always happens wDeadCodeElimUnused, # deprecated, dead code elim always happens
wSafecode, wPackage, wNoForward, wReorder, wNoRewrite, wSafecode, wPackage, wNoForward, wReorder, wNoRewrite, wNoDestroy,
wPragma, wPragma,
wCompileTime, wNoInit, wCompileTime, wNoInit,
wPassc, wPassl, wBorrow, wDiscardable, wPassc, wPassl, wBorrow, wDiscardable,
@ -148,7 +148,7 @@ const
"assertions", "patterns", "trmacros", "warnings", "hints", "assertions", "patterns", "trmacros", "warnings", "hints",
"optimization", "raises", "writes", "reads", "size", "effects", "tags", "optimization", "raises", "writes", "reads", "size", "effects", "tags",
"deadcodeelim", # deprecated, dead code elim always happens "deadcodeelim", # deprecated, dead code elim always happens
"safecode", "package", "noforward", "reorder", "norewrite", "safecode", "package", "noforward", "reorder", "norewrite", "nodestroy",
"pragma", "pragma",
"compiletime", "noinit", "compiletime", "noinit",
"passc", "passl", "borrow", "discardable", "fieldchecks", "passc", "passl", "borrow", "discardable", "fieldchecks",