260 Commits

Author	SHA1	Message	Date
Chris Pressey	3a4c2e46c1	inc and dec on a known range usually keeps it known, now.	2018-12-11 17:35:01 +00:00
Chris Pressey	bf3f1835ed	Merge branch 'develop-0.18' of https://github.com/catseye/SixtyPical into goto-at-end-of-block	2018-11-29 17:47:48 +00:00
Chris Pressey	d1befe7123	All tests pass again -- but this needs lots more tests please.	2018-11-27 17:11:37 +00:00
Chris Pressey	07ec6752ee	Introduce yet another new error.	2018-11-27 17:09:38 +00:00
Chris Pressey	a53a3529ea	Better name for this error.	2018-11-27 17:06:07 +00:00
Chris Pressey	21e623f3ad	Collect exit contexts. Disturbs fallthru analysis, but otherwise?	2018-11-27 16:59:16 +00:00
Chris Pressey	0ca545c89a	Begin working out what happens when you encounter a goto.	2018-11-27 15:44:39 +00:00
Chris Pressey	27aca3dd86	Looks like, when we "goto", we should "pull in" the constraints.	2018-11-27 15:10:18 +00:00
Chris Pressey	6dbce205d1	goto is no longer restricted to appearing in tail position.	2018-11-27 14:25:43 +00:00
Chris Pressey	d90ac92a33	Merge branch 'develop-0.18' into goto-at-end-of-block	2018-11-27 13:55:36 +00:00
Chris Pressey	9e9284bee5	goto may only occur at the end of a block.	2018-11-27 13:43:36 +00:00
Chris Pressey	94ee042a1e	Fix order of operands in word-sized cmp.	2018-11-27 13:12:55 +00:00
Chris Pressey	dcc944d732	If add and sub can work on words, then cmp can work on words too.	2018-11-23 23:00:41 +00:00
Chris Pressey	e74c7f2b31	Initial attempt at 16-bit compare. Not super well tested yet.	2018-11-23 22:09:28 +00:00
Chris Pressey	0429e4bd90	Make lexer greatly less inefficient on large source files.	2018-11-20 13:14:45 +00:00
Chris Pressey	0c63de9351	Merge branch 'develop-0.17' into remove-legacy-syntax	2018-09-07 17:49:03 +01:00
Chris Pressey	684b26dd5c	locexpr() always returns a ForwardReference if it can't lookup it.	2018-09-07 15:03:41 +01:00
Chris Pressey	07ef1e243a	backpatch_constraint_labels can resolve ForwardReferences.	2018-09-07 14:51:16 +01:00
Chris Pressey	29a5bba85c	Distinct symbol resolution phase (as a method on parser.)	2018-09-07 14:27:49 +01:00
Chris Pressey	cc98e023c4	Simply always produce ForwardReferences in locexpr(forward=True).	2018-09-07 14:02:40 +01:00
Chris Pressey	d70092c373	Even more general.	2018-09-07 13:42:18 +01:00
Chris Pressey	af0e1b41c7	Forward-reference resolution becomes increasingly general.	2018-09-07 13:40:41 +01:00
Chris Pressey	26a2fb448c	Generalize forward reference resolution a smidge.	2018-09-07 13:27:18 +01:00
Chris Pressey	33d5093e5a	Resolve forward references more explicitly.	2018-09-07 13:20:18 +01:00
Chris Pressey	7c9f76c007	Removing support for it is one thing, updating all tests another.	2018-09-07 13:03:57 +01:00
Chris Pressey	5bad7ff576	Another conversion away from self.context.fetch to self.declare.	2018-09-07 12:43:55 +01:00
Chris Pressey	c73590f88c	Begin refactoring how the ParsingContext is used by the Parser.	2018-09-07 12:24:07 +01:00
Chris Pressey	e7674c44ce	Confirm constraint on saveing a.	2018-09-07 11:33:24 +01:00
Chris Pressey	19461bc205	Support save X, Y, Z {} as a shortcut syntax for nested saves.	2018-09-07 11:27:42 +01:00
Chris Pressey	b63bcfcd2b	Begin introducing shortcut syntax for nested saves.	2018-09-07 09:36:51 +01:00
Chris Pressey	0593ce6a66	Move merge_programs() out of main. Handle missing -o options.	2018-09-07 09:26:11 +01:00
Chris Pressey	8ce787a797	Inheritance hierarchy; binding is a little less awful.	2018-09-07 09:10:20 +01:00
Chris Pressey	0b6a66fdbb	pyflakes.	2018-09-06 18:26:30 +01:00
Chris Pressey	99a0d5624a	Awful binding, but at least this code isn't in main anymore.	2018-09-06 18:25:29 +01:00
Chris Pressey	24f093b1db	Make all serialize() methods take addr() as an arg, not kwarg.	2018-09-06 18:11:47 +01:00
Chris Pressey	0a91d6bbc0	Rename method for more distinction/clarity.	2018-09-06 17:21:43 +01:00
Chris Pressey	8efa73f79d	Explicitly sort the chains by their content, for stable sort.	2018-09-06 17:15:10 +01:00
Chris Pressey	4bba75857f	--output cmdline argument, serialize() returns an array of bytes.	2018-09-06 16:18:41 +01:00
Chris Pressey	3fd7e52bc7	Reduce number of errors under Python 3 another smidge.	2018-09-06 14:21:29 +01:00
Chris Pressey	c11869f322	Not making any promises, but reduce the errors under Python 3.	2018-09-05 21:45:58 +01:00
Chris Pressey	eb4ed6a6bc	Extract locations from context appropriately. All tests pass.	2018-04-25 16:58:21 +01:00
Chris Pressey	01e3ab00aa	Make tests pass.	2018-04-25 13:40:39 +01:00
Chris Pressey	4986454733	Support save'ing user-defined locations.	2018-04-25 13:27:47 +01:00
Chris Pressey	07541d7913	Compile code for saving a, x, or y on the stack.	2018-04-25 13:15:53 +01:00
Chris Pressey	80c46485f1	Saving anything except a trashes a.	2018-04-25 13:06:11 +01:00
Chris Pressey	4d1f9d0f3c	First cut at implementing save. Only the most basic tests though.	2018-04-19 13:18:52 +01:00
Chris Pressey	bc91ef1602	Compile byte-table add, sub, cmp, and, or, xor, shl, shr, inc, dec.	2018-04-18 16:32:12 +01:00
Chris Pressey	5fcbfa1d21	Analyze reads and updates of tables.	2018-04-18 15:45:47 +01:00
Chris Pressey	0c22944afc	Able to parse, but not yet able to analyze, other table accesses.	2018-04-18 14:21:03 +01:00
Chris Pressey	e565234d28	Support for shl foo and shr foo where foo is a byte storage.	2018-04-18 12:01:53 +01:00