C# Rewrite: From walking on nails to walking on trails

[TsukimotoX]

C# Rewrite: From walking on nails to walking on trails

For over 1.5 years, Neoluma has been made on a language called C++, due to it being light, powerful, efficient, the author was learning it and LLVM had the best compatibility with it.

But over the course of recent months, the project received a massive stagnation hit due to the fact that C++ is... very outdated, and unnecessarily fights you if you want to change something. And after another burnt out session, niceEli's suggestion and additional research, it has been decided.

Neoluma will be rewritten in C# programming language

This pull request will lead the global language rewrite, trying to make the compiler writing process much more pleasing, while not losing any efficiency or features. It will use a couple technologies, such as NativeAOT and LLVMSharp to achieve the required results, and much more if something gets changed mid progress.

There will be no AI involved in this rewrite, only for googling what are the c# alternatives to some features. I am quite rusty when it comes to C#, max what i made is some light game engine and something on Unity. We'll see how that goes.

P.S. also Copilot please don't do anything, just, no comment no anything. you're not permitted to do anything with this repository going forward.

[Copilot]

Pull request overview

This PR introduces a new deprecated/ subtree that snapshots the legacy (C++) Neoluma implementation along with build scripts, localization assets, and a regression test suite, while removing older example/IDE artifacts.

Changes:

• Adds the legacy C++ compiler sources, build tooling (CMake + scripts), and resources under deprecated/.
• Adds a regression test suite scaffold under deprecated/tests/ (cases + runner + README).
• Removes example.nm and the IntelliJ module file (.idea/neoluma.iml).

Reviewed changes

Copilot reviewed 1 out of 123 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
.idea/neoluma.iml	Removed IDE module file
example.nm	Removed language example file
deprecated/build.bat	Windows build script
deprecated/build.sh	Unix build script
deprecated/CMakeLists.txt	CMake build configuration
deprecated/CMakePresets.json	CMake presets
deprecated/crowdin.yml	Localization tooling config
deprecated/run.bat	Windows run script
deprecated/resources/app.icns	App icon resource
deprecated/resources/app.ico	App icon resource
deprecated/resources/app.rc	Windows resource script
deprecated/src/HelperFunctions.cpp	Shared helper implementations
deprecated/src/HelperFunctions.hpp	Shared helper declarations/templates
deprecated/src/main.cpp	Legacy CLI entry point
deprecated/src/CLI/CLI.cpp	CLI implementation
deprecated/src/CLI/CLI.hpp	CLI declarations
deprecated/src/CLI/CLIHelperFunctions.cpp	CLI helper implementations
deprecated/src/CLI/CLIHelperFunctions.hpp	CLI helper declarations
deprecated/src/CLI/LicenseTemplates/Apache.txt	License template
deprecated/src/CLI/LicenseTemplates/BoostV1.txt	License template
deprecated/src/CLI/LicenseTemplates/BSDv2Simplified.txt	License template
deprecated/src/CLI/LicenseTemplates/BSDv3NewRevised.txt	License template
deprecated/src/CLI/LicenseTemplates/CC0v1.txt	License template
deprecated/src/CLI/LicenseTemplates/EclipseV2.txt	License template
deprecated/src/CLI/LicenseTemplates/GNUAGPLv3.txt	License template
deprecated/src/CLI/LicenseTemplates/GNUGPLv2.txt	License template
deprecated/src/CLI/LicenseTemplates/GNUGPLv3.txt	License template
deprecated/src/CLI/LicenseTemplates/GNULGPLv2_1.txt	License template
deprecated/src/CLI/LicenseTemplates/MIT.txt	License template
deprecated/src/CLI/LicenseTemplates/MozillaV2.txt	License template
deprecated/src/CLI/LicenseTemplates/Unlicense.txt	License template
deprecated/src/Core/Compiler.cpp	Compiler orchestration logic
deprecated/src/Core/Compiler.hpp	Compiler API
deprecated/src/Core/Extras/ErrorManager/ErrorManager.cpp	Error reporting + JSON output
deprecated/src/Core/Extras/ErrorManager/ErrorManager.hpp	Error reporting API
deprecated/src/Core/Extras/ProjectManager/ProjectManager.hpp	Project manager API
deprecated/src/Core/Extras/LangPacks/filler	Placeholder file
deprecated/src/Core/Backend/Codegen/filler	Placeholder file
deprecated/src/Core/Middleend/Optimizer/filler	Placeholder file
deprecated/src/Core/Middleend/IRGenerator/IRGenerator.cpp	IR generation implementation
deprecated/src/Core/Middleend/IRGenerator/IRGenerator.hpp	IR generation API
deprecated/src/Core/Frontend/Nodes.cpp	AST node implementations
deprecated/src/Core/Frontend/Nodes.hpp	AST node declarations
deprecated/src/Core/Frontend/Token.cpp	Token implementation
deprecated/src/Core/Frontend/Token.hpp	Token declarations
deprecated/src/Core/Frontend/Lexer/Lexer.cpp	Lexer implementation
deprecated/src/Core/Frontend/Lexer/Lexer.hpp	Lexer declarations
deprecated/src/Core/Frontend/Orchestrator/Orchestrator.cpp	Module orchestration implementation
deprecated/src/Core/Frontend/Orchestrator/Orchestrator.hpp	Module orchestration API
deprecated/src/Core/Frontend/Parser/ASTBuilder.hpp	Parser AST builder
deprecated/src/Core/Frontend/Parser/Parser.cpp	Parser implementation
deprecated/src/Core/Frontend/Parser/Parser.hpp	Parser declarations
deprecated/src/Core/Frontend/SemanticAnalysis/SemanticAnalysis.cpp	Semantic analysis implementation
deprecated/src/Core/Frontend/SemanticAnalysis/SemanticAnalysis.hpp	Semantic analysis API
deprecated/src/Libraries/Asker/Asker.cpp	Interactive input library
deprecated/src/Libraries/Asker/Asker.hpp	Interactive input API
deprecated/src/Libraries/Color/Color.cpp	Console color helpers
deprecated/src/Libraries/Color/Color.hpp	Console color API
deprecated/src/Libraries/Json/Json.cpp	JSON implementation
deprecated/src/Libraries/Json/Json.hpp	JSON API
deprecated/src/Libraries/Json/JsonGet.hpp	JSON access helpers
deprecated/src/Libraries/Localization/Localization.cpp	Localization runtime
deprecated/src/Libraries/Localization/Localization.hpp	Localization API
deprecated/src/Libraries/Paths/Paths.cpp	Path resolution logic
deprecated/src/Libraries/Paths/Paths.hpp	Path resolution API
deprecated/src/Libraries/Toml/Toml.cpp	TOML parsing
deprecated/src/Libraries/Toml/Toml.hpp	TOML API
deprecated/src/Libraries/Utils/Utils.hpp	Utility header
deprecated/src/Libraries/Utils/Types/Array.hpp	Custom Array type
deprecated/src/Libraries/Utils/Types/Hashmap.hpp	Custom Hashmap type
deprecated/src/Libraries/Utils/Types/String.cpp	Custom String implementation
deprecated/src/Libraries/Utils/Types/String.hpp	Custom String API
deprecated/src/IntrinsicModules/std/LICENSE	Std module license
deprecated/src/IntrinsicModules/std/std.nlp	Std module project file
deprecated/src/IntrinsicModules/std/src/fs.nm	Std module source
deprecated/src/IntrinsicModules/std/src/io.nm	Std module source
deprecated/src/IntrinsicModules/std/src/iter.nm	Std module source
deprecated/src/IntrinsicModules/std/src/math.nm	Std module source
deprecated/src/IntrinsicModules/std/src/random.nm	Std module source
deprecated/src/IntrinsicModules/std/src/time.nm	Std module source
deprecated/src/Localization/CLI/ar_SA.jsonc	CLI localization
deprecated/src/Localization/CLI/de_DE.jsonc	CLI localization
deprecated/src/Localization/CLI/en_US.jsonc	CLI localization
deprecated/src/Localization/CLI/it_IT.jsonc	CLI localization
deprecated/src/Localization/CLI/ru_RU.jsonc	CLI localization
deprecated/src/Localization/ErrorManager/en_US.jsonc	Error localization
deprecated/src/Localization/ErrorManager/ru_RU.jsonc	Error localization
deprecated/src/Localization/Libraries/ar_SA.jsonc	Library localization
deprecated/src/Localization/Libraries/de_DE.jsonc	Library localization
deprecated/src/Localization/Libraries/en_US.jsonc	Library localization
deprecated/src/Localization/Libraries/ru_RU.jsonc	Library localization
deprecated/tests/.gitignore	Test temp output ignore rules
deprecated/tests/README.md	Test runner documentation
deprecated/tests/runner/testrunner.py	Regression runner script
deprecated/tests/cases/orchestrator/invalid/empty_project/expect.json	Orchestrator fixture
deprecated/tests/cases/orchestrator/invalid/import_alias_conflict_native_resolved/main.nm	Orchestrator fixture
deprecated/tests/cases/orchestrator/invalid/import_alias_conflict_native_resolved/foo.nm	Orchestrator fixture
deprecated/tests/cases/orchestrator/invalid/import_alias_conflict_native_resolved/bar.nm	Orchestrator fixture
deprecated/tests/cases/orchestrator/invalid/import_alias_conflict_native_resolved/expect.json	Orchestrator fixture
deprecated/tests/cases/orchestrator/invalid/no_entrypoint/main.nm	Orchestrator fixture
deprecated/tests/cases/orchestrator/invalid/no_entrypoint/expect.json	Orchestrator fixture
deprecated/tests/cases/parser/valid/decorator_entry/main.nm	Parser fixture
deprecated/tests/cases/parser/valid/decorator_entry/expect.json	Parser fixture
deprecated/tests/cases/parser/invalid/malformed_array/main.nm	Parser fixture
deprecated/tests/cases/parser/invalid/malformed_array/expect.json	Parser fixture
deprecated/tests/cases/parser/invalid/malformed_dict/main.nm	Parser fixture
deprecated/tests/cases/parser/invalid/malformed_dict/expect.json	Parser fixture
deprecated/tests/cases/parser/invalid/malformed_set/main.nm	Parser fixture
deprecated/tests/cases/parser/invalid/malformed_set/expect.json	Parser fixture
deprecated/tests/cases/semantic/invalid/undefined_variable/main.nm	Semantic fixture
deprecated/tests/cases/semantic/invalid/undefined_variable/expect.json	Semantic fixture
deprecated/tests/cases/semantic/invalid/undefined_function/main.nm	Semantic fixture
deprecated/tests/cases/semantic/invalid/undefined_function/expect.json	Semantic fixture
deprecated/tests/cases/semantic/invalid/return_outside_function/main.nm	Semantic fixture
deprecated/tests/cases/semantic/invalid/return_outside_function/expect.json	Semantic fixture
deprecated/tests/cases/semantic/invalid/duplicate_parameter/main.nm	Semantic fixture
deprecated/tests/cases/semantic/invalid/duplicate_parameter/expect.json	Semantic fixture
deprecated/tests/cases/semantic/invalid/continue_outside_loop/main.nm	Semantic fixture
deprecated/tests/cases/semantic/invalid/continue_outside_loop/expect.json	Semantic fixture
deprecated/tests/cases/semantic/invalid/const_reassignment/main.nm	Semantic fixture
deprecated/tests/cases/semantic/invalid/const_reassignment/expect.json	Semantic fixture
deprecated/tests/cases/semantic/invalid/break_outside_loop/main.nm	Semantic fixture
deprecated/tests/cases/semantic/invalid/break_outside_loop/expect.json	Semantic fixture

Files not reviewed (1)

• .idea/neoluma.iml: Generated file