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llvm-like naming of __heap_base, definition fixes, update examples

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dcode
2019-06-01 01:14:04 +02:00
parent b19005f5bb
commit e65d875ebc
81 changed files with 3135 additions and 1995 deletions
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18
lib/loader/index.js
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@ -85,7 +85,7 @@ function postInstantiate(baseModule, instance) {
const table = rawExports.table;
const alloc = rawExports["__alloc"];
const retain = rawExports["__retain"];
const rtti = rawExports["__rtti"] || ~0; // oob if not present
const rttiBase = rawExports["__rtti_base"] || ~0; // oob if not present
// Provide views for all sorts of basic values
var buffer, I8, U8, I16, U16, I32, U32, F32, F64, I64, U64;
@ -113,16 +113,16 @@ function postInstantiate(baseModule, instance) {
/** Gets the runtime type info for the given id. */
function getInfo(id) {
const count = U32[rtti >>> 2];
const count = U32[rttiBase >>> 2];
if ((id >>>= 0) >= count) throw Error("invalid id: " + id);
return U32[(rtti + 4 >>> 2) + id * 2];
return U32[(rttiBase + 4 >>> 2) + id * 2];
}
/** Gets the runtime base id for the given id. */
function getBase(id) {
const count = U32[rtti >>> 2];
const count = U32[rttiBase >>> 2];
if ((id >>>= 0) >= count) throw Error("invalid id: " + id);
return U32[(rtti + 4 >>> 2) + id * 2 + 1];
return U32[(rttiBase + 4 >>> 2) + id * 2 + 1];
}
/** Gets the runtime alignment of a collection's values or keys. */
@ -217,7 +217,7 @@ function postInstantiate(baseModule, instance) {
/** Tests whether an object is an instance of the class represented by the specified base id. */
function __instanceof(ref, baseId) {
var id = U32[(ref + ID_OFFSET) >>> 2];
if (id <= U32[rtti >>> 2]) {
if (id <= U32[rttiBase >>> 2]) {
do if (id == baseId) return true;
while (id = getBase(id));
}
@ -308,7 +308,11 @@ function demangle(exports, baseModule) {
let ctor = function(...args) {
return ctor.wrap(ctor.prototype.constructor(0, ...args));
};
ctor.prototype = {};
ctor.prototype = {
valueOf: function valueOf() {
return this[THIS];
}
};
ctor.wrap = function(thisValue) {
return Object.create(ctor.prototype, { [THIS]: { value: thisValue, writable: false } });
};

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lib/loader/tests/build/untouched.wasm
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1
lib/loader/tests/index.js
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@ -111,6 +111,7 @@ car.openDoors();
assert.strictEqual(car.isDoorsOpen, 1);
car.closeDoors();
assert.strictEqual(car.isDoorsOpen, 0);
module.__release(car); // uses Car.prototype.valueOf to obtain `thisPtr`
// should be able to use trace
module.dotrace(42);