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related https://github.com/nim-lang/Nim/issues/21717 configs will be
resolved later
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new strictions on methods (#22991)
**TODO**
- [x] fixes changelog
With the new option `nimPreviewVtables`, `methods` are confined in the
same module where the type of the first parameter is defined
- [x] make it opt in after CI checks its feasibility
## In the following-up PRs
- [ ] in the following PRs, refactor code into a more efficient one
- [ ] cpp needs special treatments since it cannot embed array in light
of the preceding limits: ref
https://github.com/nim-lang/Nim/pull/20977#discussion_r1035528927; we
can support cpp backends with vtable implementations later on the
comprise that uses indirect vtable access
---------
Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
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(#22822)
…s of a patent-pending new VM
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Theoretical Benefits / Plans:
- Typed assembler-like language.
- Allows for a CPS transformation.
- Can replace the existing C backend by a new C backend.
- Can replace the VM.
- Can do more effective "not nil" checking and static array bounds
checking.
- Can be used instead of the DFA.
- Easily translatable to LLVM.
- Reasonably easy to produce native code from.
- Tiny memory consumption. No pointers, no cry.
**In very early stages of development.**
Todo:
- [x] Map Nim types to IR types.
- [ ] Map Nim AST to IR instructions:
- [x] Map bitsets to bitops.
- [ ] Implement string cases.
- [ ] Implement range and index checks.
- [x] Implement `default(T)` builtin.
- [x] Implement multi string concat.
- [ ] Write some analysis passes.
- [ ] Write a backend.
- [x] Integrate into the compilation pipeline.
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works better with strictdefs (#22436)
replaces `doAssert false` with `raiseAssert`, which works better with strictdefs
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* wip; use strictdefs for compiler
* checkpoint
* complete the chores
* more fixes
* first phase cleanup
* Update compiler/bitsets.nim
* cleanup
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generics (#21619)
* fixes #21617; createTypeBoundOps with PContext in order to instantiate generics
* keep idgen
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* tuple unpacking for vars as just sugar, allowing nesting
* set temp symbol AST
* hopeful fix some issues, add test for #19364
* always use temp for consts
* document, fix small issue
* fix manual indentation
* actually fix manual
* use helper proc
* don't resem temp tuple assignment
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* add a prepass for codeReordering
* simplify
* fixes
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calls; simplify compilation pipeline (#21444)
* abolish using passes in the compiler; simplify compilation pipeline
* duplicate code
* Really cool to have the same signature...
* haul
* unify other backends
* refactor process
* introduce PipelinePhase
* refactor compiler
* fixes passes
* fixes nimsuggest
* add a sentinel
* enable docs checkj
* activate doc testing
* clean up
* complete cleanups
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