5a7ad6bfe4
Upgrade to GraalVM JDK 21. ``` > java -version openjdk version "21" 2023-09-19 OpenJDK Runtime Environment GraalVM CE 21+35.1 (build 21+35-jvmci-23.1-b15) OpenJDK 64-Bit Server VM GraalVM CE 21+35.1 (build 21+35-jvmci-23.1-b15, mixed mode, sharing) ``` With SDKMan, download with `sdk install java 21-graalce`. # Important Notes - After this PR, one can theoretically run enso with any JRE with version at least 21. - Removed `sbt bootstrap` hack and all the other build time related hacks related to the handling of GraalVM distribution. - `project-manager` remains backward compatible - it can open older engines with runtimes. New engines now do no longer require a separate runtime to be downloaded. - sbt does not support compilation of `module-info.java` files in mixed projects - https://github.com/sbt/sbt/issues/3368 - Which means that we can have `module-info.java` files only for Java-only projects. - Anyway, we need just a single `module-info.class` in the resulting `runtime.jar` fat jar. - `runtime.jar` is assembled in `runtime-with-instruments` with a custom merge strategy (`sbt-assembly` plugin). Caching is disabled for custom merge strategies, which means that re-assembly of `runtime.jar` will be more frequent. - Engine distribution contains multiple JAR archives (modules) in `component` directory, along with `runner/runner.jar` that is hidden inside a nested directory. - The new entry point to the engine runner is [EngineRunnerBootLoader](https://github.com/enso-org/enso/pull/7991/files#diff-9ab172d0566c18456472aeb95c4345f47e2db3965e77e29c11694d3a9333a2aa) that contains a custom ClassLoader - to make sure that everything that does not have to be loaded from a module is loaded from `runner.jar`, which is not a module. - The new command line for launching the engine runner is in [distribution/bin/enso](https://github.com/enso-org/enso/pull/7991/files#diff-0b66983403b2c329febc7381cd23d45871d4d555ce98dd040d4d1e879c8f3725) - [Newest version of Frgaal](https://repo1.maven.org/maven2/org/frgaal/compiler/20.0.1/) (20.0.1) does not recognize `--source 21` option, only `--source 20`. |
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Enso Runtime
The Enso runtime is responsible for the actual execution of Enso code. This means that it encompasses the following functionality:
- Parsing: Taking Enso code as input and generating an AST that maintains a sophisticated set of information about the input.
- Desugaring: Reducing the user-facing Enso code into a simplified language
known as
Core. - Type Inference: Inferring the types of bindings in the user's code.
- Type Checking: Checking that the inferred and provided types for bindings match up across the codebase.
- Optimisation: Static optimisation processes to improve the performance of the user's program.
- Code Execution: Actually running the Enso code.
- Introspection Hooks: Providing hooks into the running code to allow the language server to inspect information about the code as it runs.
Truffle Nodes creation convention
All Truffle nodes that are expected to be created as part of ASTs should
implement a public, static build method for creating an instance. If the node
is DSL generated, the build method should delegate to the autogenerated
create method, so that nodes are always created with build. Such a
convention allows us to easily switch node back and forth between manual and DSL
generated implementations, without the need to change its clients.
The only exception are nodes that are never expected to be a part of an AST –
e.g. root nodes of builtin functions, for which an asFunction method should be
implemented instead.
This convention should be implemented for every node throughout this codebase – if you see one not obeying it – please fix it.