78 Commits

Author	SHA1	Message	Date
Irmen de Jong	f965804e6d	fix invalid optimization of returning a parameter variable in a subroutine	2022-01-28 16:44:42 +01:00
Irmen de Jong	ec078eba72	optimize w=msb(w) => w>>=8, w=lsb(w) ==> w&=$00ff	2022-01-28 16:11:52 +01:00
Irmen de Jong	7b3cd71085	fixed improper optimization of word<<8 and word>>8	2022-01-28 13:54:06 +01:00
Irmen de Jong	586ce1fc80	tweak return's use of intermediate variable	2022-01-24 01:10:04 +01:00
Irmen de Jong	3b59592110	generalize string encoding flag into enum	2022-01-18 21:21:49 +01:00
Irmen de Jong	8e56656c8d	fix broken code generated for certain ==/!= expressions	2022-01-16 17:10:49 +01:00
Irmen de Jong	564a6a1f62	fix invalid removal of Jump ... that would generate wrong code if occurs at the end of a subroutine	2022-01-16 14:05:42 +01:00
Irmen de Jong	b29c3152db	Assignment: make its origin explicit	2022-01-10 02:25:02 +01:00
Irmen de Jong	3831679772	VarDecl: make its origin explicit	2022-01-10 01:53:03 +01:00
Irmen de Jong	895534f32b	don't remove dead variable assignments if they are a function call	2022-01-09 18:41:01 +01:00
Irmen de Jong	d99d977d2b	fix more typecasting issues	2022-01-08 17:04:25 +01:00
Irmen de Jong	7dd7e562bc	pipes also as expressions, cleanup codegen, fix various typecasting issues	2022-01-08 13:45:19 +01:00
Irmen de Jong	17694c1d01	better error handling of invalid number casts	2022-01-07 22:12:13 +01:00
Irmen de Jong	749ad700d8	naming consistency for some expression classes	2022-01-07 21:02:55 +01:00
Irmen de Jong	8f3df3039a	added pipe operator `|>`	2022-01-06 22:54:18 +01:00
Irmen de Jong	b62183adcb	slightly optimized binexpr evaluation for ==/!= in some cases	2021-12-30 02:00:36 +01:00
Irmen de Jong	de6ce4a46e	add "X in [1,2,3]" expression (efficient containment check)	2021-12-29 17:26:00 +01:00
Irmen de Jong	7b54aa0c7d	more consistent naming of the statement classes	2021-12-28 13:56:47 +01:00
Irmen de Jong	6e11b8ada1	GoSub no longer inherits from Jump node, fixes subtle ast/codegen bugs related to jsrs	2021-12-28 01:55:13 +01:00
Irmen de Jong	1c7c4fc3b0	optimized if-goto codegeneration	2021-12-28 00:42:00 +01:00
Irmen de Jong	97e84d0977	tweak if statement handling	2021-12-27 15:04:25 +01:00
Irmen de Jong	9906b58818	tweak while desugaring, moved postfixexpr optimizations to VariousCleanups regardless of optimizer setting because asmgen requires these for conditional expressions	2021-12-27 12:41:26 +01:00
Irmen de Jong	4da4f96669	lower code: break -> goto after (simplifies codegen)	2021-12-25 22:30:38 +01:00
Irmen de Jong	a090fe3834	no compiler optimizer crash on certain missing symbol	2021-12-23 23:51:21 +01:00
Irmen de Jong	e051e09c1d	trim down number of warnings a bit	2021-12-17 20:21:14 +01:00
Irmen de Jong	1462c57d0c	no need for intermediary returnvalue var for prefix expressions	2021-12-16 21:00:38 +01:00
Irmen de Jong	08f87c321f	fixed capitalization of operator sets to be consistent with other sets names	2021-12-15 23:43:14 +01:00
Irmen de Jong	a7b5949e6a	fix compiler crash when using a gosub/subroutinecall in a branch statement	2021-12-11 15:11:16 +01:00
Irmen de Jong	3d743a1ba1	added more constfolding	2021-12-09 23:32:48 +01:00
Irmen de Jong	abca618008	added more constfolding	2021-12-09 23:12:12 +01:00
Irmen de Jong	0d2c3901a3	added more constfolding	2021-12-09 22:12:31 +01:00
Irmen de Jong	d8d56b195f	comments	2021-12-09 21:13:13 +01:00
Irmen de Jong	c92f914081	gradle build settings tweak to avoid jdk version conflict	2021-12-04 18:36:47 +01:00
Irmen de Jong	0498444ef2	moved all unit tests into single project to avoid dependency issues	2021-12-04 18:20:22 +01:00
Irmen de Jong	e545ea9504	fix and optimize storing A into pointervar	2021-12-04 04:43:58 +01:00
Irmen de Jong	b438d8aec0	fix invalid range size check when stepval is not a positive integer	2021-11-29 02:01:19 +01:00
Irmen de Jong	45b8762188	use inc/ina instead of adc	2021-11-29 00:07:15 +01:00
Irmen de Jong	9256f910f0	rollback binexpr splitting, caused slowdowns	2021-11-28 18:50:05 +01:00
Irmen de Jong	32068a832a	split some additional binary expressions to avoid stack-based evaluation	2021-11-28 18:27:28 +01:00
Irmen de Jong	47c2c0376a	added some cpu stack related assembly-level optimizations	2021-11-28 17:27:01 +01:00
Irmen de Jong	f0dadc4a43	optimize 1-arg functioncalls	2021-11-28 16:55:10 +01:00
Irmen de Jong	69dcb4dbda	fix reporting of (not) unused code after GoSub jump	2021-11-27 21:22:34 +01:00
Irmen de Jong	58d9c46a9b	got rid of old makeScopedName routine	2021-11-26 20:56:30 +01:00
Irmen de Jong	e4648e2138	proper rounding of builtin functions that return int from float	2021-11-26 20:32:12 +01:00
Irmen de Jong	110e047681	replace subroutine calls (statement) by GoSub	2021-11-26 19:47:01 +01:00
Irmen de Jong	8095c4c155	added GoSub node (internal use only later for calling subroutines)	2021-11-21 16:23:48 +01:00
Irmen de Jong	8887e6af91	fix substituting 0 only if its actually the same variable that's substituted	2021-11-21 12:34:57 +01:00
Irmen de Jong	2491509c6a	add assignment optimization X=value-X --> X=-X ; X+=value (to avoid need of stack-evaluation)	2021-11-20 23:43:10 +01:00
Irmen de Jong	107935ed31	add some more const folding patterns	2021-11-20 22:47:49 +01:00
Irmen de Jong	31491c62c5	add some more const folding patterns	2021-11-20 22:40:12 +01:00