Simple plugin system

plugin.ooc

use tcc
import tcc
import structs/HashMap

Plugin: class {
    state: Tcc
    name: String
    mem: Pointer
    size: Int
    methods := HashMap<String,Func(This)> new()
    
    init: func(=name) {
        state = Tcc new()
        state setOutputType(OutputType memory)
    }
    
    reserve: func(s: String) {
        methods[s] = null
    }
    
    call: func(s: String) {
        if(methods[s] as Closure thunk) methods[s](this)
    }
    
    loadFromText: func(s: String) {
        state compileString(s)
        size = state relocate(null)
        mem = gc_malloc(size)
        state relocate(mem)
        fill()
    }
    
    loadFromLib: func(lib: String) {
        state addLibrary(lib)
        size = state relocate(null)
        mem = gc_malloc(size)
        state relocate(mem)
        fill()
    }
    
    fill: func {
        methods each(|method,f|
                        f as Closure thunk = state getSymbol(name+"_"+method)
                    )
    }
}

plugin := Plugin new("test")
plugin reserve("do")
plugin loadFromText("void test_do(void* this) { printf(\"Hello World! \\n\"); }")
// Smething is not loaded correctly :-/
plugin call("do")