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Author	SHA1	Message	Date
Rob Rix	14001ed70a	Avoid re-showing errors in Task.	2017-08-06 18:56:02 -04:00
Rob Rix	b8c1e1a953	Carry callstacks through try.	2017-08-06 18:56:02 -04:00
Rob Rix	caf9535fee	Define unexpected by throwing an error with the specified message.	2017-08-06 18:56:02 -04:00
Rob Rix	76edea1341	Labels replace expectations.	2017-08-06 18:56:02 -04:00
Rob Rix	fb6298ba6d	Revert "Define a function to compute the expectation for an assignment, which may involve its label." ... This reverts commit 1a7e775446b72653570015b08dad0530fe4d9805.	2017-08-06 18:56:02 -04:00
Rob Rix	6036870ea9	Labels participate in committed choice.	2017-08-06 18:56:02 -04:00
Rob Rix	2d7c7fd1ee	Define a function to compute the expectation for an assignment, which may involve its label.	2017-08-06 18:56:02 -04:00
Rob Rix	bd4e2666c8	🔥 a redundant Ix constraint on firstSet.	2017-08-06 18:56:02 -04:00
Rob Rix	c1596f942d	Assignment errors can be strings.	2017-08-06 18:56:01 -04:00
Rob Rix	8e58a76a01	formatError takes Error String.	2017-08-06 18:56:01 -04:00
Rob Rix	60bafabf17	Move error formatting into Data.Error.	2017-08-06 18:56:01 -04:00
Rob Rix	d18ac5e0c6	Move the Error definition into Data.Error.	2017-08-06 18:56:01 -04:00
Rob Rix	add1d471c9	Stub in a module for Errors.	2017-08-06 18:56:01 -04:00
Rob Rix	55683ea810	Errors carry a full Span.	2017-08-06 18:56:01 -04:00
Rob Rix	261fb37c44	Syntax.Error holds the expected/actual fields.	2017-08-06 18:56:01 -04:00
Rob Rix	880d26078e	Rename formatErrorWithOptions to formatError.	2017-08-06 18:56:01 -04:00
Rob Rix	8a7911313a	Pass the position, expected, & actual fields to formatErrorWithOptions separately.	2017-08-06 18:56:01 -04:00
Rob Rix	eb1439ebbb	showExpectation & showSymbols take Strings.	2017-08-06 18:56:01 -04:00
Rob Rix	b66312567b	Define <?> using Label.	2017-08-06 18:56:01 -04:00
Rob Rix	b911f93a58	Define a Label assignment.	2017-08-06 18:56:01 -04:00
Rob Rix	3d9760d5d8	Sort the End case of Show to the top.	2017-08-06 18:56:01 -04:00
Rob Rix	a31e1ce086	Sort the End case to the top.	2017-08-06 18:56:01 -04:00
Rob Rix	3ab717f18f	Add a callstack to notFollowedBy.	2017-08-06 18:56:01 -04:00
Rob Rix	99ac5d4486	Define notFollowedBy.	2017-08-06 18:56:01 -04:00
Rob Rix	fcc65d3a3e	Allow if statements without elif/else clauses.	2017-08-06 18:56:00 -04:00
Rob Rix	3b5a19c832	Define eof as the End assignment.	2017-08-06 18:56:00 -04:00
Rob Rix	68257e5c3a	Add an assignment which only matches at the end of input.	2017-08-06 18:56:00 -04:00
Rob Rix	4e2d29491c	Stub in a Parsing instance for Assignment.	2017-08-06 18:53:51 -04:00
Rob Rix	8c9f6ab7fd	Assign elif/else blocks correctly.	2017-08-06 18:53:48 -04:00
Rob Rix	6daf3d648b	Move the MonadError instance up.	2017-08-06 18:53:44 -04:00
Rob Rix	5dfc165699	Re-export the Parsers module.	2017-08-06 18:53:41 -04:00
Rob Rix	c874c3ac58	Depend on the parsers package.	2017-08-06 18:53:35 -04:00
Rob Rix	302bef15ee	🔥 Data.Amb.	2017-08-06 18:53:29 -04:00
Rob Rix	1ca87c89e8	🔥 a redundant error handler.	2017-08-06 18:53:26 -04:00
Rob Rix	4a4d8ea9c5	🔥 the need for Bounded grammars for Alternative assignments.	2017-08-06 18:53:23 -04:00
Rob Rix	39e30c3d92	empty is Throw Nothing.	2017-08-06 18:53:19 -04:00
Rob Rix	c4c6c389aa	Throw Nothing is the right-identity of <|>.	2017-08-06 18:53:15 -04:00
Rob Rix	7713277876	Throw Nothing is the left-identity of <|>.	2017-08-06 18:53:09 -04:00
Rob Rix	8d9d54dbcc	Throw takes its error in a Maybe.	2017-08-06 18:53:05 -04:00
Rob Rix	dafcd40067	Lookahead to prevent matching the else clause.	2017-08-06 18:53:02 -04:00
Rob Rix	3b9523ba58	Qualify the import of Data.Functor.Foldable.	2017-08-06 18:52:59 -04:00
Rob Rix	0ec05480f8	🔥 a redundant import.	2017-08-06 18:52:56 -04:00
Rob Rix	59fd521709	Add callstacks to while & until.	2017-08-06 18:52:52 -04:00
Rob Rix	56eb9407b9	Simplify ifStatement.	2017-08-06 18:52:49 -04:00
Rob Rix	357ffe6616	Simplify the definition of until.	2017-08-06 18:52:46 -04:00
Rob Rix	2bc2483af9	Define an until combinator.	2017-08-06 18:52:42 -04:00
Rob Rix	8d7fb65a4a	Better docs for while.	2017-08-06 18:52:39 -04:00
Rob Rix	59e6fd621c	🔥 stateErrorCounter.	2017-08-06 18:52:35 -04:00
Rob Rix	722e5407cd	🔥 the grammar parameter from State.	2017-08-06 18:52:31 -04:00
Rob Rix	2adbf0cfa1	Assign unambiguously.	2017-08-06 18:52:24 -04:00