WASM - Collection of small WASM-Emscripten samples

Projects

Each of the following is a standalone project:

Project	Description
hello-world	Invoking function main() + index.html generated by em++
ccall-add	Using ccall/cwrap to invoke a simple C function
ccall-array	Using ccall/cwrap to invoke a C function returning an array, and using Module.HEAPU8 to access it
direct-add	Calling a simple C function directly without ccall/cwrap
embind-add	Calling a simple C++ function using embind
embind-greet	Calling a C++ function that gets and returns a string using embind
malloc	Measuring the actual consumption of dynamic allocations
two-modules	Instantiating two WASM modules from one app
two-modules-shared-mem	Instantiating two WASM modules with shared memory
source-maps	Enabling source-maps for debugging in the browser

Project structure

Every project has two folders:

Folder	Purpose
src	Source files
build	Powershell build script & CMake config

Build instrsuctions (on Windows)

Prerequisites

• Run Docker For Windows (required for invoking Emscripten)

How to build and run

• Go to build folder and run build_and_run.ps1 using PowerShell
• Navigate to http://localhost:6931