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170 Commits

Author SHA1 Message Date
Chris Pressey
994449ecb0 Make the loop variable unwriteable in the body of the "for" loop. 2018-03-08 17:41:42 +00:00
Chris Pressey
f73a2313bd Add some failing tests for analyzing "for". 2018-03-08 17:17:49 +00:00
Chris Pressey
d815e05e0c Syntax for "open-faced for loop". 2018-03-08 16:54:12 +00:00
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