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proper error reporting for concepts and the introduction of the {.explain.} pragma

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This commit is contained in:
Zahary Karadjov 2016-08-14 02:45:29 +03:00
commit 74a80988d9
13 changed files with 302 additions and 139 deletions
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6
compiler/pragmas.nim
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@ -55,7 +55,7 @@ const
wPure, wHeader, wCompilerproc, wFinal, wSize, wExtern, wShallow,
wImportCpp, wImportObjC, wError, wIncompleteStruct, wByCopy, wByRef,
wInheritable, wGensym, wInject, wRequiresInit, wUnchecked, wUnion, wPacked,
wBorrow, wGcSafe, wExportNims, wPartial, wUsed}
wBorrow, wGcSafe, wExportNims, wPartial, wUsed, wExplain}
fieldPragmas* = {wImportc, wExportc, wDeprecated, wExtern,
wImportCpp, wImportObjC, wError, wGuard, wBitsize, wUsed}
varPragmas* = {wImportc, wExportc, wVolatile, wRegister, wThreadVar, wNodecl,
@ -73,7 +73,7 @@ const
proc pragma*(c: PContext, sym: PSym, n: PNode, validPragmas: TSpecialWords)
# implementation
proc invalidPragma(n: PNode) =
proc invalidPragma*(n: PNode) =
localError(n.info, errInvalidPragmaX, renderTree(n, {renderNoComments}))
proc pragmaAsm*(c: PContext, n: PNode): char =
@ -773,6 +773,8 @@ proc singlePragma(c: PContext, sym: PSym, n: PNode, i: int,
of wProcVar:
noVal(it)
incl(sym.flags, sfProcvar)
of wExplain:
sym.flags.incl sfExplain
of wDeprecated:
if it.kind == nkExprColonExpr: deprecatedStmt(c, it)
elif sym != nil: incl(sym.flags, sfDeprecated)