lean4-htt

Lean 4 fork for HoTT-compatible kernel extensions (Path types, transport, HITs). Maintained against upstream leanprover/lean4.

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Leonardo de Moura 9399ce8346 feat(library/vm/vm_string): provide native implementation of type `string` in the VM closes #1175 The types `string_imp` and `string.iterator_imp` were supposed to be marked private, but we cannot do it because we need to provide `string_imp.mk`, `string_imp.cases_on`, `string.iterator_imp.mk` and `string.iterator_imp.cases_on` in the VM since we use a different internal representation. Note that marking them as private does not work since users can still access `string_imp.cases_on` using meta-programming. So, we need better support for private declarations. Missing feature, char literals do not support non ASCII values. That is, in the current implementation, we cannot write 'α'. This will be implemented in the future. The VM native implementation does not behave correctly for huge strings (i.e., strings with more than 4G characters). The problem is that the current implementation relies on ``` size_t force_to_size_t(vm_obj const & o, size_t def) ``` We may also have overflow problems in the string.iterator implementation code. This is not a big deal right now, since I doubt we will try to process string with more than 2^32 characters. @Kha the `core_lib` and tests seem to be working correctly, but we need more tests.		2017-10-23 10:55:26 -07:00
.github	chore(.github/CONTRIBUTING.md): update PR submission guidelines.	2017-08-16 14:22:32 -07:00
bin	chore(src/emacs): move lean-mode to https://github.com/leanprover/lean-mode	2017-10-06 10:46:43 -07:00
doc	feat(library/vm/vm_string): provide native implementation of type `string` in the VM	2017-10-23 10:55:26 -07:00
extras/latex	chore(extras/depgraph): remove leandeps	2017-07-15 02:27:17 -07:00
images	chore(CMakeLists.txt): move Lean logo to make sure we can test leanemacs without installing Lean	2015-01-31 17:38:49 -08:00
leanpkg	fix(leanpkg): fix error message	2017-09-14 18:48:18 +02:00
library	feat(library/vm/vm_string): provide native implementation of type `string` in the VM	2017-10-23 10:55:26 -07:00
script	chore(script/package_registry): remove library_dev from test suite	2017-08-17 07:41:35 -07:00
src	feat(library/vm/vm_string): provide native implementation of type `string` in the VM	2017-10-23 10:55:26 -07:00
tests	feat(library/vm/vm_string): provide native implementation of type `string` in the VM	2017-10-23 10:55:26 -07:00
tmp	feat(frontends/lean,library/equations_compiler): store tactics for generating well founded relation and decreasing proofs	2017-05-23 15:00:29 -07:00
.appveyor.yml	chore(.appveyor.yml,.travis.yml): simplify using glob patterns	2017-07-26 17:13:34 +02:00
.clang-format	feat(library/vm/process): add basic process support	2017-03-28 18:08:06 -07:00
.codecov.yml	fix(.codecov.yml): do not fail github ci if coverage drops by 0.01%	2017-06-25 10:35:02 +02:00
.gitignore	chore(gitignore): ignore nix files	2017-06-19 13:16:04 +02:00
.travis.yml	chore(.travis.yml): undo Travis update	2017-09-15 12:33:46 -07:00
LICENSE
README.md	chore(src/emacs): move lean-mode to https://github.com/leanprover/lean-mode	2017-10-06 10:46:43 -07:00