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Author	SHA1	Message	Date
Rob Rix	0bf52e3dde	Result has field selectors.	2017-04-28 15:54:34 -04:00
Rob Rix	8872a7ec6a	Errors record the symbol of the current node (if any).	2017-04-28 15:49:00 -04:00
Rob Rix	0168773814	Results hold errors instead of text.	2017-04-28 15:45:13 -04:00
Rob Rix	3d1e74bf4e	Define an Error datatype.	2017-04-28 15:34:18 -04:00
Rob Rix	250d095598	Result only has one case.	2017-04-28 15:31:23 -04:00
Rob Rix	a988d54ed6	Propagate errors from alternations.	2017-04-28 15:26:19 -04:00
Rob Rix	eb089bb571	Successful results can hold errors.	2017-04-28 15:24:42 -04:00
Rob Rix	ec8be238d1	Children assignments continue after the last child assignment.	2017-04-28 15:19:55 -04:00
Rob Rix	ca0d4328ff	Return the final state from assignAllFrom.	2017-04-28 15:18:33 -04:00
Rob Rix	a14b241a35	Merge pull request #1089 from github/committed-choice ... Committed choice	2017-04-27 20:03:24 -04:00
Rob Rix	d1b088eda5	Work around the lack of Show1 for IntMap in lts.	2017-04-26 18:39:39 -04:00
Rob Rix	d6b7e408e3	Don’t add a newline after the caret.	2017-04-26 15:27:30 -04:00
Rob Rix	f991988eea	Show the source of errors.	2017-04-26 14:54:29 -04:00
Rob Rix	d9d7f98921	Consolidate error reporting.	2017-04-26 14:37:07 -04:00
Rob Rix	dfab45dc65	Tidy up handling of Empty rules.	2017-04-26 13:50:45 -04:00
Rob Rix	59be638d70	🔥 the unlawful Monad instance for Result.	2017-04-26 13:40:03 -04:00
Rob Rix	52aa3800b7	Don’t use Result’s Monad instance for Children rules.	2017-04-26 13:39:42 -04:00
Rob Rix	d2da6e1ad7	Move the Alt rule down to reflect constructor order.	2017-04-26 13:37:48 -04:00
Rob Rix	89b30a5124	Pull the Choose case up a level.	2017-04-26 13:36:57 -04:00
Rob Rix	095e279380	Pull the Children case up a level.	2017-04-26 13:35:21 -04:00
Rob Rix	a6b5fa0634	Pull the Source case up a level.	2017-04-26 13:33:52 -04:00
Rob Rix	f781118abb	Move the location at end case up.	2017-04-26 13:32:24 -04:00
Rob Rix	2db005505e	Pull the Location case up a level.	2017-04-26 13:31:26 -04:00
Rob Rix	3de156447f	Match against the nodes.	2017-04-26 13:30:07 -04:00
Rob Rix	e9bff3be5a	Use the where clause’s binding for the source.	2017-04-26 13:28:34 -04:00
Rob Rix	4103936ca2	Use the where clause’s binding for the offset.	2017-04-26 13:28:04 -04:00
Rob Rix	b392c9d6b7	Bind the post-drop state in the where clause.	2017-04-26 13:24:04 -04:00
Rob Rix	a430b444f5	Pull the runAssignment iterator into the where clause.	2017-04-26 13:23:07 -04:00
Rob Rix	e67f5a9398	Guard terms with symbols.	2017-04-26 13:19:10 -04:00
Rob Rix	296717777d	Rearrange leaf to put the fmap first.	2017-04-26 13:18:40 -04:00
Rob Rix	b9027441e2	Use the leaf combinator to assign constants and identifiers.	2017-04-26 12:37:13 -04:00
Rob Rix	34e945d1fa	Use the leaf combinator to assign literals & comments.	2017-04-26 12:34:34 -04:00
Rob Rix	620b1ebd49	Flip leaf’s argument order.	2017-04-26 12:33:51 -04:00
Rob Rix	860138fe19	🔥 an extra space.	2017-04-26 12:33:37 -04:00
Rob Rix	129d962041	Add a leaf combinator.	2017-04-26 12:31:00 -04:00
Rob Rix	c2df871607	Replace Symbol with a unary Choose.	2017-04-26 12:17:43 -04:00
Rob Rix	d583b3cfcc	Prevent forgetting to shadow the initial state.	2017-04-26 12:11:03 -04:00
Rob Rix	677031daaa	Choices’ errors note the choice.	2017-04-26 12:07:33 -04:00
Rob Rix	77fe6aff31	empty is the left- and right-identity of <|>.	2017-04-26 12:05:49 -04:00
Rob Rix	ffe7b2ff66	Handle alternations of choices on both sides.	2017-04-26 12:04:34 -04:00
Rob Rix	38a92b7eda	Handle alternations of choices on the right.	2017-04-26 12:00:51 -04:00
Rob Rix	c85081ea6b	Show the symbol when choice fails.	2017-04-26 11:58:03 -04:00
Rob Rix	ffbca016db	Avoid revisiting anonymous nodes.	2017-04-26 11:47:53 -04:00
Rob Rix	e89ea96739	Test the specific error message we get for cascading children failures.	2017-04-26 11:45:58 -04:00
Rob Rix	d57df3f5fb	Show a better error for symbol rules.	2017-04-26 11:44:53 -04:00
Rob Rix	61b3e3c71f	Show a better error for symbol rules at end of input.	2017-04-26 11:40:59 -04:00
Rob Rix	6010bcb439	Show a better error for committed choice at end of input.	2017-04-26 11:39:32 -04:00
Rob Rix	b7d84470fb	Extract how we show choices into the where clause.	2017-04-26 11:37:00 -04:00
Rob Rix	b7899248d5	🔥 a redundant FIXME.	2017-04-26 11:34:43 -04:00
Rob Rix	2154e4a4ad	Construct committed choices using the Alternative interface.	2017-04-26 11:29:24 -04:00