September 2018
Intermediate to advanced
328 pages
9h 10m
English
Content preview from Learn WebAssembly
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Emscripten overview
So what is Emscripten? Wikipedia provides the following definition:
"Emscripten is a source-to-source compiler that runs as a back end to the LLVM compiler and produces a subset of JavaScript known as asm.js. It can also produce WebAssembly."
We discussed source-to-source compilers (or transpilers) in the first chapter and used TypeScript as an example. Transpilers convert source code in one programming language to equivalent source code in another programming language. To elaborate on Emscripten running as a backend to the LLVM compiler, we need to provide some additional details about LLVM.
The official website for LLVM (https://llvm.org) defines the LLVM as a collection of modular and reusable compiler and toolchain ...
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