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* Caret diag.: Avoid decoding whole module if only specific line is neededalexbiehl2017-04-171-1/+39
| | | | | | | | | | | | | | | | | Before we were decoding the whole file to get to the desired line. This patch introduces a fast function which searches a StringBuffer for the desired line so we only need to utf8 decode a little portion. This is especially interesting if we have big modules with lots of warnings. Reviewers: austin, bgamari, Rufflewind, trofi Reviewed By: Rufflewind, trofi Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3440
* utils: Lazily decode UTF8 stringsBen Gamari2017-04-171-3/+1
| | | | | | | | | | Reviewers: austin, hvr Subscribers: rwbarton, thomie GHC Trac Issues: #13527 Differential Revision: https://phabricator.haskell.org/D3442
* Fixed error messages for RecursiveDo (#8501)Rupert Horlick2017-03-291-0/+15
| | | | | | | | | | | | | | | | | Changes in a few different places to catch several different types of error related to RecursiveDo Signed-off-by: Rupert Horlick <ruperthorlick@gmail.com> Test Plan: Three test cases, with further tests in comments Reviewers: austin, bgamari Reviewed By: bgamari Subscribers: thomie Differential Revision: https://phabricator.haskell.org/D3271
* Improve StringBuffer and FastString docsPhil Ruffwind2016-12-171-4/+38
| | | | | | | | | | | | | | | This area of code contains a lot of unsafe functionality, so it might be worth documenting to reduce the risk of misuse. Test Plan: inspection Reviewers: austin, bgamari Reviewed By: bgamari Subscribers: thomie Differential Revision: https://phabricator.haskell.org/D2872
* Drop pre-AMP compatibility CPP conditionalsHerbert Valerio Riedel2015-12-311-4/+0
| | | | | | | | | | | | Since GHC 8.1/8.2 only needs to be bootstrap-able by GHC 7.10 and GHC 8.0 (and GHC 8.2), we can now finally drop all that pre-AMP compatibility CPP-mess for good! Reviewers: austin, goldfire, bgamari Subscribers: goldfire, thomie, erikd Differential Revision: https://phabricator.haskell.org/D1724
* Skip a possible BOM in utf8 encodingJoachim Breitner2015-09-251-3/+7
| | | | | | | | and not the system locale, which might be something else. This fixes bug #10907. A test is added, but less useful than it could be until task #10909 is done. Differential Revision: D1274
* Refactor: delete most of the module FastTypesThomas Miedema2015-08-211-20/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverses some of the work done in #1405, and goes back to the assumption that the bootstrap compiler understands GHC-haskell. In particular: * use MagicHash instead of _ILIT and _CLIT * pattern matching on I# if possible, instead of using iUnbox unnecessarily * use Int#/Char#/Addr# instead of the following type synonyms: - type FastInt = Int# - type FastChar = Char# - type FastPtr a = Addr# * inline the following functions: - iBox = I# - cBox = C# - fastChr = chr# - fastOrd = ord# - eqFastChar = eqChar# - shiftLFastInt = uncheckedIShiftL# - shiftR_FastInt = uncheckedIShiftRL# - shiftRLFastInt = uncheckedIShiftRL# * delete the following unused functions: - minFastInt - maxFastInt - uncheckedIShiftRA# - castFastPtr - panicDocFastInt and pprPanicFastInt * rename panicFastInt back to panic# These functions remain, since they actually do something: * iUnbox * bitAndFastInt * bitOrFastInt Test Plan: validate Reviewers: austin, bgamari Subscribers: rwbarton Differential Revision: https://phabricator.haskell.org/D1141 GHC Trac Issues: #1405
* compiler: de-lhs utils/Austin Seipp2014-12-031-0/+257
Signed-off-by: Austin Seipp <austin@well-typed.com>
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