116 lines
4.3 KiB
Markdown
116 lines
4.3 KiB
Markdown
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<div align="center">
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<picture>
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<img alt="gemstone logo" src="https://github.com/Servostar/gemstone/assets/72654954/fdb37c1b-81ca-4e6a-a9e9-c46effb12dae" width="75%">
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</picture>
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</div>
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<br>
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## Gemstone
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Gemstone is a programming language compiler (short: GSC) written in C based on flex and GNU bison.
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It uses LLVM to produce optimized native binaries for many platforms and uses its own builtin build system for more complex project management.
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## Dependencies (build)
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### Windows 11
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#### MSYS2
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Install MSYS2 under Windows 11. Open the MingGW64 environment.
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Install the following packages:
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```
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pacman -S mingw-w64-x86_64-gcc mingw-w64-x86_64-glib2 bison flex mingw-w64-x86_64-llvm cmake git make
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```
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Clone the repository and build the gemstone compiler:
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```
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cmake . && make release
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```
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### GNU/Linux
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Requires:
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- GCC
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- CMake
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- Make
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- bison
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- flex
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- LLVM
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- Glib 2.0
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## Writing Tests
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Since the project is build and configured through CMake it makes sense to rely for tests
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on CTest. All tests are located in the subfolder `tests`. In this directory is a CMakeLists.txt which specifies which tests
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are to be run. Actual tests are located in folders within tests and contain a final CMakeLists.txt which specifies what to run
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for a single test.
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```
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tests
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└─ test_group1
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└─ CMakeLists.txt # specify tests in this group
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└─ ... # test files of group 1
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└─ test_group2
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└─ CMakeLists.txt # specify tests in this group
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└─ ... # test files of group 2
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└─ CMakeLists.txt # specify test groups to run
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CMakeLists.txt # build configuration
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```
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## Development with VSCode/Codium
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Recommended extensions for getting a decent experience are the following:
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- https://marketplace.visualstudio.com/items?itemName=llvm-vs-code-extensions.vscode-clangd
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- https://marketplace.visualstudio.com/items?itemName=daohong-emilio.yash
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- https://marketplace.visualstudio.com/items?itemName=cschlosser.doxdocgen
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- https://marketplace.visualstudio.com/items?itemName=ms-vscode.cmake-tools
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- https://marketplace.visualstudio.com/items?itemName=twxs.cmake
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In order to remove false error messages from clangd CMake has to be run once in order generate compile_commands.json.
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## Build
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The build pipeline is configured with CMake in the file CMakeLists.txt.
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In order to avoid dependency and configuration issues the recommended way to build is by using the provided docker containers.
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All tools required for building (`cmake`, `make`, `gcc`, `lex`, `yacc`) are installed inside the SDK container (see Dockerfile sdk/Dockerfile).
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For creating the build pipeline build the Dockerfile in the root folder of this repository. This takes the current SDK and copies the source files into the home of the build user.
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Then the make targets are generated. Running `make release` will build gemstone from source in release mode.
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The generated binaries can be found either in `bin/release/gsc` or `bin/debug/gsc` depending on the chosen target.
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The following graph visualizes the build pipeline:
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```
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SDK (environment)
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│
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│ configure build environment
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│ cmake, make, gcc, yacc, lex
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│
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▼
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Devkit (pipeline)
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│
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│ create build pipeline
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│ create make targets
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▼
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Pipeline
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yacc (generate files) GCC (compile) Extra Source Files (src/*.c)
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│ │ │
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├─ parser.tab.h ─────────────►│◄────────────────────┘
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│ │
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└─ parser.tab.c ─────────────►│
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│
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lex (generate file) │
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│ │
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└─ lexer.ll.c ──────────────►│
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│
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▼
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gsc
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```
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## Docker images
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Currently, the SDK is based on Almalinux 9.3, an open source distro binary compatible to RHEL 9.3.
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The following images can be found in the offical repository at [Docker Hub](https://hub.docker.com/r/servostar/gemstone):
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- SDK
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- Devkit
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