167 Commits

Author	SHA1	Message	Date
Chris Pressey	bda0202dee	Confirm that AND clips the range and INC/DEC invalidate it.	2018-03-06 15:42:12 +00:00
Chris Pressey	1eaec602e3	The exception object now contains an AST node, renders name.	2018-03-06 14:39:47 +00:00
Chris Pressey	42cbd73a20	Show line numbers in static analysis errors (clumsily.)	2018-03-06 13:13:18 +00:00
Chris Pressey	e44c802314	Syntax errors have line numbers in them now.	2018-03-06 12:23:57 +00:00
Chris Pressey	9ad34ed34f	Refine the AST classes even more.	2018-03-06 10:43:23 +00:00
Chris Pressey	8a7e3aaebb	Flatten more.	2018-03-05 15:32:08 +00:00
Chris Pressey	1180d2fe2a	Attempt to flatten the code for generating code for copy.	2018-03-05 15:22:47 +00:00
Chris Pressey	c194808e64	Label the various cases for compiling a copy instruction.	2018-03-05 13:23:09 +00:00
Chris Pressey	c85159a9c0	Start trying to clean up the code for compiling copy.	2018-03-05 12:34:24 +00:00
Chris Pressey	b579e8b2eb	Refs have indexes. Instructions do not.	2018-03-05 12:19:27 +00:00
Chris Pressey	0a83d90515	Tighten structure of AST more.	2018-03-05 12:13:15 +00:00
Chris Pressey	4b43ba734e	Make AST more structured (borrowed from ALPACA.)	2018-03-05 11:55:06 +00:00
Chris Pressey	b42aa8b051	Fix error message.	2018-03-05 11:28:08 +00:00
Chris Pressey	d24e9fa2e1	I can no longer see a reason to require that it is a power of two.	2018-03-05 10:38:20 +00:00
Chris Pressey	42c4bed36e	Make tests pass.	2018-02-16 15:46:55 +00:00
Chris Pressey	0e0a3d552a	Implement Context.copy_range(), ranges for constants. Progress!	2018-02-14 16:35:19 +00:00
Chris Pressey	0687da80d5	Some headway on context.assert_in_range().	2018-02-14 15:54:57 +00:00
Chris Pressey	2897a04718	Get and set top of range of a location. Make AND do this to A reg.	2018-02-14 15:13:35 +00:00
Chris Pressey	93e2dada16	Check for table size (in parser, thus tests are for syntax.)	2018-02-14 13:53:22 +00:00
Chris Pressey	ab33331924	Associate a range with each meaningful storage location in context.	2018-02-14 13:31:03 +00:00
Chris Pressey	5fa8c69bd2	Don't fudge the name of IndexRefs; dig in to find the ref's name.	2018-02-13 17:17:27 +00:00
Chris Pressey	f6fa1ec7d2	Remove need for forward keyword in forward reference in copy.	2018-02-12 15:59:20 +00:00
Chris Pressey	08ec0e46a3	Remove the need for parens in vector (routine ...) table type.	2018-02-12 14:53:49 +00:00
Chris Pressey	e9d9c717bb	More statics in demo game.	2018-02-09 16:57:49 +00:00
Chris Pressey	7a024f3062	Compile static storage location access.	2018-02-09 16:13:09 +00:00
Chris Pressey	52fb1dc6b9	Inch toward compiling statics.	2018-02-09 14:44:41 +00:00
Chris Pressey	71cded0297	Move compiler towards being able to compile access to statics.	2018-02-09 14:13:39 +00:00
Chris Pressey	55331e9c54	Statics are always writeable. Statics are always meaningful.	2018-02-09 13:35:59 +00:00
Chris Pressey	b829836cdc	Ability to parse static definitions and look them up.	2018-02-09 12:33:45 +00:00
Chris Pressey	ca1c877a60	Support indirect refs in st, e.g. st a, [ptr] + y.	2018-02-09 11:23:18 +00:00
Chris Pressey	a7365731ca	Even if we goto another routine, we can't trash an output.	2018-02-08 16:37:40 +00:00
Chris Pressey	b20b664748	Implement the "union rule for trashes" when analyzing if blocks.	2018-02-08 14:04:51 +00:00
Chris Pressey	3f1f3bf16e	Set a location as touched when trashed with a trash instruction.	2018-02-08 13:43:06 +00:00
Chris Pressey	f92e1f15bf	Tired: copy [ptr]+y, a. Wired: ld a, [ptr]+y.	2018-02-08 11:58:24 +00:00
Chris Pressey	34daad0e56	Make ld parse to a IndexedRef or IndirectRef (latter still todo.)	2018-02-08 11:04:11 +00:00
Chris Pressey	7c8f113c07	Properly store address (not contents) of routine into vector table.	2018-02-07 13:56:17 +00:00
Chris Pressey	6c1c1cb153	Include final RTS when emitting trampolines for indirect calls.	2018-02-07 11:11:14 +00:00
Chris Pressey	ed1ed3eb5d	Always analyze before compiling.	2018-02-06 16:14:44 +00:00
Chris Pressey	43b3a088b0	Use a vector table in the demo game.	2018-02-06 15:03:59 +00:00
Chris Pressey	9778e083c1	Move test, add test, add assertion.	2018-02-06 11:52:50 +00:00
Chris Pressey	70ecd52e8a	Retain some syntax compatibility: make table a postfix operator.	2018-02-06 11:34:21 +00:00
Chris Pressey	44ee8efbef	When backpatching constraints, don't strip ones we've already done.	2018-02-06 10:28:41 +00:00
Chris Pressey	612ae588f7	Add some tests, fix some bugs, show that one bug remains.	2018-02-06 10:05:56 +00:00
Chris Pressey	c12a76e106	Make assertions more robust, in hopes of hunting down bugs.	2018-02-06 09:52:01 +00:00
Chris Pressey	74f8675761	Start of typedef support.	2018-02-05 18:12:48 +00:00
Chris Pressey	0be721667a	Kind-of not-pretty syntax refactor to support adding typedefs.	2018-02-05 17:01:25 +00:00
Chris Pressey	15072eff52	The evaluator doesn't add much and keeps falling behind; remove it.	2018-02-05 13:17:23 +00:00
Chris Pressey	20c824743e	Fix table access bug where index wasn't required to be initialized.	2018-02-05 12:35:19 +00:00
Chris Pressey	11d6c08369	In fact the 'src' should never (I think?) be 'touched'.	2018-02-05 12:08:33 +00:00
Chris Pressey	7dfd2cfe0c	Allow copying a routine directly into a vector table.	2018-02-05 12:04:28 +00:00