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* New evaluator, more Compiler Driver cleanupCliff Click2025-01-151-1/+1
| | | | | | | | | | More compiler driver cleanup: Stop only has Return inputs, never an expr. Drop extra lexical scope. Linker table moves to CodeGen. Replace evaluator with a simpler design; I was unable to get the current design to work with the other changes. Updates to old eval; proper idoms; forced type checks; extensions for Fun, Return, Call, CallEnd. Accessor find next control to execute. Accessor for deciding when its ok to optimize a Function/Return, Call/CallEnd, Stop, ScopeMin (merge) Add local scheduling pass. IRPrinter uses SB instead of StringBuilder Spelling SubF comment
* Fix commentCliff Click2025-01-151-1/+1
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* Missing xScopes pushCliff Click2024-11-231-0/+2
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* Replace loop finding with official algoCliff Click2024-11-238-96/+77
| | | | Remove old fixLoops, walkInfinite.
* Assignment bugsCliff Click2024-11-234-109/+142
| | | | Restructure parsing declarations from assignments; allow assignments almost anywhere as a normal expression.
* Stronger requirement on new type nameCliff Click2024-11-231-6/+12
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* Straighten out nested forward ref type errorsCliff Click2024-11-231-15/+12
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* Error on ambiguous -- parseCliff Click2024-11-231-3/+1
| | | | `i -- i` now errors instead of (sometimes) parsing as `i - -i`
* Fix 2 small bugsCliff Click2024-11-232-2/+5
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* Allow oper-assign, += -= etcCliff Click2024-11-231-8/+41
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* Bug fix loop depth on infinite split-tail loopsCliff Click2024-11-232-10/+9
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* Minor inf loop fixCliff Click2024-11-231-3/+4
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* Final? pass of finalsCliff Click2024-11-2314-70/+171
| | | | | | | Add a least-upper-bound to set Phis to their respective Top while preserving final fields. Requires a ReadOnly node to "cast-away-writable". Series of isFinal/makeRO in all Types. Changes tests to match r/w intent.
* Allow pre-inc/dec on variablesCliff Click2024-11-233-16/+33
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* Allow C-style for loopsCliff Click2024-11-231-16/+95
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* Much more robust guarded expression upcastingCliff Click2024-11-235-63/+129
| | | | | Region does not print id, making all test cases much more stable (and slightly weaker). NotNode gets more precise compute
* Change field mutabilityCliff Click2024-11-2312-69/+125
| | | | | | | | Fields & locals with an initializer are immutable by default; those without are mutable. Make mutable with `!`. Fields are always mutable in a constructor. Add a trinary `pred ? then : else` syntax. SubNode retains as much precision as AddNode. Sharpen some asserts and error cases. Limit Load node cloning if the ptr is not obvious.
* var/valCliff Click2024-11-232-3/+18
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* Support post ++ on arrays and structsCliff Click2024-11-231-8/+26
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* Allow post ++, --Cliff Click2024-11-2317-113/+86
| | | | | | | | | | Fix eval auto-string result. Fix tests hacked because of this. Turn on BrainFuck in ch15,16,17, also disabled because of this. Use new features in BrainFuck. Fix bug not lifting forward refs; add a toString to Vars. Fix some missing addDeps. Remove large complex not-productive peep. Upcast after "while" tests. Improves a bunch of tests. Remove dead getBlockStart.
* Initial pushCliff Click2024-11-2359-0/+7263
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