feat(compiler): Enable single-file compilation #2105
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Refactors the
DependenciesCompiled,ObjectsLinked,Compiled, andAssembledstates out ofcompile.reand introduces thegraincflag--single-fileto compile a single dependency. The linker is now completely separate from the process of compilation—compiling a file now only means converting source code into an object file. Linking is the combining a number of object files into a wasm file (andgraincwill still do both compiling and linking). This allows build tools to handle compilation and linking separately.The future plan is to make single file mode the default once we have a build tool managing building projects (
silo). I'm not sure that we should get rid of the dependency compilation entirely since it would be useful for development, but that's a decision for later.