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- Update megaparsec to version 9.2.0 revision 1. Upstream has revised the Cabal build instructions on Hackage.
- Update megaparsec to version 9.2.0.
[#]# Megaparsec 9.2.0
* Added parsers for binary representations (little/big endian) of numbers in
`Text.Megaparsec.Byte.Binary`.
- Update megaparsec to version 9.1.0 revision 1. Upstream has revised the Cabal build instructions on Hackage.
- Update megaparsec to version 9.1.0.
[#]# Megaparsec 9.1.0
* Added `dbg'` in `Text.Megaparsec.Debug` for debugging parsers that have
unshowable return values.
* Documentation improvements.
- disable %{ix86} build
- Update megaparsec to version 9.0.1 revision 1. Upstream has revised the Cabal build instructions on Hackage.
- Update megaparsec to version 9.0.1.
[#]# Megaparsec 9.0.1
* Added [Safe
Haskell](https://downloads.haskell.org/~ghc/latest/docs/html/users_guide/safe_haskell.html)
support.
- Update megaparsec to version 9.0.0. Upstream has edited the change log file since the last release in a non-trivial way, i.e. they did more than just add a new entry at the top. You can review the file at: http://hackage.haskell.org/package/megaparsec-9.0.0/src/CHANGELOG.md
- Replace %setup -q with the more modern %autosetup macro.
- Add megaparsec at version 8.0.0.
- Drop obsolete group attributes.
- Update megaparsec to version 8.0.0.
[#]# Megaparec 8.0.0
* The methods `failure` and `fancyFailure` of `MonadParsec` are now ordinary
functions and live in `Text.Megaparsec`. They are defined in terms of the
new `parseError` method of `MonadParsec`. This method allows us to signal
parse errors at a given offset without manipulating parser state manually.
* Megaparsec now supports registration of ?delayed? parse errors. On lower
level we added a new field called `stateParseErrors` to the `State`
record. The type also had to change from `State s` to `State s e`. This
field contains the list of registered `ParseErrors` that do not end
parsing immediately but still will cause failure in the end if the list is
not empty. Users are expected to register parse errors using the three
functions: `registerParseError`, `registerFailure`, and
`registerFancyFailure`. These functions are analogous to those without the
`register` prefix, except that they have ?delayed? effect.
* Added the `tokensLength` method to the `Stream` type class to improve
support for custom input streams.
* Added the `setErrorOffset` function to set offset of `ParseError`s.
* Changed type signatures of `reachOffset` and `reachOffsetNoLine` methods
of the `Stream` type class. Instead of three-tuple `reachOffset` now
returns two-tuple because `SourcePos` is already contained in the returned
`PosState` record.
* Generalized `decimal`, `binary`, `octal`, and `hexadecimal` parsers in
lexer modules so that they `Num` instead of just `Integral`.
* Dropped support for GHC 8.2.x and older.
- Update megaparsec to version 7.0.5.
[#]# Megaparsec 7.0.5
* Dropped support for GHC 7.10.
* Adapted the code to `MonadFail` changes in `base-4.13`.
* Separated the test suite into its own package. The reason is that we can
avoid circular dependency on `hspec-megaparsec` and thus avoid keeping
copies of its source files in our test suite, as we had to do before.
Another benefit is that we can export some auxiliary functions in
`megaparsec-tests` which can be used by other test suites, for example in
the `parser-combinators-tests` package.
Version of `megaparsec-tests` will be kept in sync with versions of
`megaparsec` from now on.
- Update megaparsec to version 7.0.4. Upstream has edited the change log file since the last release in a non-trivial way, i.e. they did more than just add a new entry at the top. You can review the file at: http://hackage.haskell.org/package/megaparsec-7.0.4/src/CHANGELOG.md
- Update megaparsec to version 7.0.3. [#]# Megaparsec 7.0.3 * Fixed the build with `mtl` older than `2.2.2`.
- Update megaparsec to version 7.0.2.
[#]# Megaparsec 7.0.2
* Fixed the property test for `char'` which was failing in the case when
there is a character with different upper and title cases.
* More descriptive error messages when `elabel` or `ulabel` from
`Text.Megaparsec.Error.Builder` are used with empty strings.
* Typos fixes in the docs.
- Update megaparsec to version 7.0.1.
[#]# Megaparsec 7.0.1
* Fixed a bug in `errorBundlePretty`. Previously the question sign `?` was
erroneously inserted before offending line in 2nd and later parse errors.
[#]# Megaparsec 7.0.0
[#]## General
* Dropped the `Text.Megaparsec.Perm` module. Use
`Control.Applicative.Permutations` from `parser-combinators` instead.
* Dropped the `Text.Megaparsec.Expr` module. Use
`Control.Monad.Combinators.Expr` from `parser-combinators` instead.
* The debugging function `dbg` has been moved from `Text.Megaparsec` to its
own module `Text.Megaparsec.Debug`.
* Dropped support for GHC 7.8.
[#]## Combinators
* Moved some general combinators from `Text.Megaparsec.Char` and
`Text.Megaparsec.Byte` to `Text.Megaparsec`, renaming some of them for
clarity.
Practical consequences:
* Now there is the `single` combinator that is a generalization of `char`
for arbitrary streams. `Text.Megaparsec.Char` and `Text.Megaparsec.Byte`
still contain `char` as type-constrained versions of `single`.
* Similarly, now there is the `chunk` combinator that is a generalization
of `string` for arbitrary streams. The `string` combinator is still
re-exported from `Text.Megaparsec.Char` and `Text.Megaparsec.Byte` for
compatibility.
* `satisfy` does not depend on type of token, and so it now lives in
`Text.Megaparsec`.
* `anyChar` was renamed to `anySingle` and moved to `Text.Megaparsec`.
* `notChar` was renamed to `anySingleBut` and moved to `Text.Megaparsec`.
* `oneOf` and `noneOf` were moved to `Text.Megaparsec`.
* Simplified the type of the `token` primitive. It now takes just a matching
function `Token s -> Maybe a` as the first argument and the collection of
expected items `Set (ErrorItem (Token s))` as the second argument. This
makes sense because the collection of expected items cannot depend on what
we see in the input stream.
* The `label` primitive now doesn't prepend the phrase ?the rest of? to the
label when its inner parser produces hints after consuming input. In that
case `label` has no effect.
* Fixed the `Text.Megaparsec.Char.Lexer.charLiteral` so it can accept longer
escape sequences (max length is now 10).
* Added the `binDigitChar` functions in `Text.Megaparsec.Byte` and
`Text.Megaparsec.Char`.
* Added the `binary` functions in `Text.Megaparsec.Byte.Lexer` and
`Text.Megaparsec.Char.Lexer`.
* Improved case-insensitive character matching in the cases when e.g.
`isLower` and `isUpper` both return `False`. Functions affected:
`Text.Megaparsec.Char.char'`.
* Renamed `getPosition` to `getSourcePos`.
* Renamed `getTokensProcessed` to `getOffset`, `setTokensProcessed` to
`setOffset`.
* Dropped `getTabWidth` and `setTabWidth` because tab width is irrelevant to
parsing process now, it's only relevant for pretty-printing of parse
errors, which is handled separately.
* Added and `withParsecT` in `Text.Megaparsec.Internal` to allow changing
the type of the custom data component in parse errors.
[#]## Parser state and input stream
* Dropped stacks of source positions. Accordingly, the functions
`pushPosition` and `popPosition` from `Text.Megaparsec` and
`sourcePosStackPretty` from `Text.Megaparsec.Error` were removed. The
reason for this simplification is that I could not find any code that uses
the feature and it makes manipulation of source positions hairy.
* Introduced `PosState` for calculating `SourcePos` from offsets and getting
offending line for displaying on pretty-printing of parse errors. It's now
contained in both `State` and `ParseErrorBundle`.
* Dropped `positionAt1`, `positionAtN`, `advance1`, and `advanceN` methods
from `Stream`. They are no longer necessary because `reachOffset` (and its
specialized version `reachOffsetNoLine`) takes care of `SourcePos`
calculation.
[#]## Parse errors
* `ParseError` now contains raw offset in input stream instead of
`SourcePos`. `errorPos` was dropped from `Text.Megaparsec.Error`.
* `ParseError` is now parametrized over stream type `s` instead of token
type `t`.
* Introduced `ParseErrorBundle` which contains one or more `ParseError`
equipped with all information that is necessary to pretty-print them
together with offending lines from the input stream. Functions like
`runParser` now return `ParseErrorBundle` instead of plain `ParseError`.
By default there will be only one `ParseError` in such a bundle, but it's
possible to add more parse errors to a bundle manually. During
pretty-printing, the input stream will be traversed only once.
* The primary function for pretty-printing of parse
errors?`errorBundlePretty` always prints offending lines now.
`parseErrorPretty` is still there, but it probably won't see a lot of use
from now on. `parseErrorPretty'` and `parseErrorPretty_` were removed.
`parseTest'` was removed because `parseTest` always prints offending lines
now.
* Added `attachSourcePos` function in `Text.Megaparsec.Error`.
* The `ShowToken` type class has been removed and its method `showTokens`
now lives in the `Stream` type class.
* The `LineToken` type class is no longer necessary because the new method
`reachOffset` of the type class `Stream` does its job.
* In `Text.Megaparsec.Error` the following functions were added:
`mapParseError`, `errorOffset`.
* Implemented continuous highlighting in parse errors. For this we added the
`errorComponentLen` method to the `ShowErrorComponent` type class.
[#]## Parse error builder
* The functions `err` and `errFancy` now accept offsets at which the parse
errors are expected to have happened, i.e. `Int`s. Thus `posI` and `posN`
are no longer necessary and were removed.
* `ET` is now parametrized over the type of stream `s` instead of token type
`t`.
* Combinators like `utoks` and `etoks` now accept chunks of input stream
directly, i.e. `Tokens s` instead of `[Token s]` which should be more
natural and convenient.
- Update Cabal build information to support GHC 8.6.x.
- Add megaparsec at version 6.5.0.
- Updated with latest spec-cleaner version 0.9.8-8-geadfbbf.
- Update to version 5.3.1.
- Update to version 5.2.0 revision 1.
- Update to version 5.2.0 with cabal2obs.
- Update to version 5.0.1 revision 0 with cabal2obs.
- Update to version 4.4.0 revision 0 with cabal2obs.