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hevm: tty: skip null src maps when jumping with shift+n #832

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hevm: tty: skip null src maps when jumping with shift+n #832

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1 change: 1 addition & 0 deletions src/hevm/CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@

- Test contracts with no code (e.g. `abstract` contracts) are now skipped
- Replay data for invariant tests is now displayed in a form that does not cause errors when used with `dapp test --replay`
- Stepping through the debugger with `shift + n` now always skips positions in the bytecode that do not have a corresponding position in the solidity source map

## [0.48.1] - 2021-09-08

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7 changes: 6 additions & 1 deletion src/hevm/src/EVM/TTY.hs
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Expand Up @@ -838,7 +838,12 @@ isNextSourcePosition
isNextSourcePosition ui vm =
let dapp' = dapp (view uiTestOpts ui)
initialPosition = currentSrcMap dapp' (view uiVm ui)
in currentSrcMap dapp' vm /= initialPosition
currentPosition = currentSrcMap dapp' vm
in (not . isNullPosition $ currentPosition) && (currentPosition /= initialPosition)

isNullPosition :: Maybe SrcMap -> Bool
isNullPosition (Just (SM{..})) = srcMapOffset == -1 && srcMapLength == -1 && srcMapFile == -1
isNullPosition Nothing = True

isNextSourcePositionWithoutEntering
:: UiVmState -> Pred VM
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