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modernize lineinfos; it seems that array access hinders strict def analysis like field access (#22420)

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modernize lineinfos; array access hinders strict def analysis like field access

A bug ?

```nim
proc computeNotesVerbosity(): array[0..3, TNoteKinds] =
  result[3] = {low(TNoteKind)..high(TNoteKind)} - {warnObservableStores, warnResultUsed, warnAnyEnumConv, warnBareExcept}
  result[2] = result[3] - {hintStackTrace, hintExtendedContext, hintDeclaredLoc, hintProcessingStmt}
  result[1] = result[2] - {warnProveField, warnProveIndex,
    warnGcUnsafe, hintPath, hintDependency, hintCodeBegin, hintCodeEnd,
    hintSource, hintGlobalVar, hintGCStats, hintMsgOrigin, hintPerformance}
  result[0] = result[1] - {hintSuccessX, hintSuccess, hintConf,
    hintProcessing, hintPattern, hintExecuting, hintLinking, hintCC}
```
This commit is contained in:
ringabout
2023-08-09 08:18:47 +08:00
committed by GitHub
parent 73e661d01b
commit d136af0122
1 changed files with 7 additions and 7 deletions
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14
compiler/lineinfos.nim
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@@ -7,8 +7,8 @@
# distribution, for details about the copyright.
#
## This module contains the ``TMsgKind`` enum as well as the
## ``TLineInfo`` object.
## This module contains the `TMsgKind` enum as well as the
## `TLineInfo` object.
import ropes, tables, pathutils, hashes
@@ -248,6 +248,7 @@ type
TNoteKinds* = set[TNoteKind]
proc computeNotesVerbosity(): array[0..3, TNoteKinds] =
result = default(array[0..3, TNoteKinds])
result[3] = {low(TNoteKind)..high(TNoteKind)} - {warnObservableStores, warnResultUsed, warnAnyEnumConv, warnBareExcept}
result[2] = result[3] - {hintStackTrace, hintExtendedContext, hintDeclaredLoc, hintProcessingStmt}
result[1] = result[2] - {warnProveField, warnProveIndex,
@@ -341,9 +342,8 @@ type
proc initMsgConfig*(): MsgConfig =
result.msgContext = @[]
result.lastError = unknownLineInfo
result.filenameToIndexTbl = initTable[string, FileIndex]()
result.fileInfos = @[]
result.errorOutputs = {eStdOut, eStdErr}
result = MsgConfig(msgContext: @[], lastError: unknownLineInfo,
filenameToIndexTbl: initTable[string, FileIndex](),
fileInfos: @[], errorOutputs: {eStdOut, eStdErr}
)
result.filenameToIndexTbl["???"] = FileIndex(-1)