WASM import all non-compile axioms with alphanum names in entrypoint #1426
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Awesome! Could you please add one entry in the documentation about this particular example, the Hello World? I'd put it in the section Tutorials. |
This commit adds `__attribute__((input_name(<name>)))` to the type signature of all axioms that do not have a compile block. This indicates to the compiler that this function should be added to the input table of the WASM binary. Adds a test that an imported function can be called from Juvix.
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jonaprieto
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This is part of the implementation for #1355
This PR adds
__attribute__((import_name(<name>))declarations to every type signature corresponding to axioms with no-compile block that has an alpha numeric name in the entry point module (so that it can safely be present in the output C file).This causes these functions to be present in the import table of the resulting WASM module.
To try this out:
cd tests/positive/MiniC/ImportExportName juvix compile --runtime standalone Input.juvixTo see the imports and exports of the module:
wasmer inspect Input.wasm Type: wasm Size: 172 B Imports: Functions: "env"."hostDisplayString": [I32] -> [] Memories: Tables: Globals: Exports: Functions: "juvixRender": [] -> [] Memories: "memory": not shared (2 pages..) Tables: Globals:You can then inject an implementation of
hostDisplayStringfrom nodeJS, which is called in Juvix and invoke thejuvixRenderJuvix function from the nodeJS file with:node input.js Hello World from Juvix!