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export function load_wasm(interpreter) {
/*
(memory $memory 1)
(export "memory" (memory $memory))
(func (export "load_first_item_in_mem") (param) (result i32)
i32.const 0
;; load first item in memory and return the result
i32.load
;; store 10000 in the first location in memory
i32.const 0
i32.const 10000
i32.store
)
*/
/*
(module
(func $pop (import "my_namespace" "pop") (param i32) (result i32))
(func $push (import "my_namespace" "push") (param i32 i32))
(func (export "plus") (param i32)
local.get 0
local.get 0
call $pop
local.get 0
call $pop
i32.add
call $push
))
*/
//let wasm_string = "AGFzbQEAAAABBwFgAn9/AX8DAgEABwoBBmFkZFR3bwAACgkBBwAgACABagsACgRuYW1lAgMBAAA=";
let wasm_string = "AGFzbQEAAAABDwNgAX8Bf2ACf38AYAF/AAIoAgxteV9uYW1lc3BhY2UDcG9wAAAMbXlfbmFtZXNwYWNlBHB1c2gAAQMCAQIHCAEEcGx1cwACChEBDwAgACAAEAAgABAAahABCwAcBG5hbWUBDAIAA3BvcAEEcHVzaAIHAwAAAQACAA==";
// Fake minus version
//let wasm_string = "AGFzbQEAAAABDwNgAX8Bf2ACf38AYAF/AAIoAgxteV9uYW1lc3BhY2UDcG9wAAAMbXlfbmFtZXNwYWNlBHB1c2gAAQMCAQIHCAEEcGx1cwACChEBDwAgACAAEAAgABAAaxABCwAcBG5hbWUBDAIAA3BvcAEEcHVzaAIHAwAAAQACAA==";
let wasm_array = new TextEncoder().encode(atob(wasm_string))
const importObject = {
my_namespace: {
pop: threadNo => interpreter.threads[threadNo].pop(),
push: (threadNo, i) => interpreter.threads[threadNo].stack.push(i),
}
};
return WebAssembly.compile(wasm_array).then((mod) =>
WebAssembly.instantiate(mod, importObject).then(instance => {
patch_interpreter(interpreter, instance);
return instance;
})
);
}
function patch_interpreter(interpreter, instance) {
interpreter.instructions_raw["+"].impl = function (thread, thread_num) { instance.exports.plus(thread_num); };
interpreter.instructions["+".charCodeAt(0)] = function (thread, thread_num) { instance.exports.plus(thread_num); };
}
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