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changetype builtin; some namespace parsing; more stdlib ideas; compiler options for asc

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This commit is contained in:
dcodeIO
2017-12-08 04:03:44 +01:00
parent 59dafc8d22
commit bbb57baecb
62 changed files with 636 additions and 469 deletions
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29
std/impl/cstring.ts
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@ -1,17 +1,16 @@
/// <reference path="../../assembly.d.ts" />
/** A C-compatible string class. */
@global()
class CString extends CArray<u8> {
@struct()
class CString {
/** Constructs a new C-String from a String. */
constructor(text: string) {
super(text.length * 2 + 1);
let idx: usize = unsafe_cast<this,usize>(this);
for (let i: usize = 0, k: usize = (<string>str).length; i < k; ++i) {
let u: i32 = text.charCodeAt(i);
constructor(string: string) {
const ptr: usize = Heap.allocate(<usize>string.length * 2 + 1);
let idx: usize = ptr;
for (let i: usize = 0, k: usize = <usize>(<string>str).length; i < k; ++i) {
let u: i32 = string.charCodeAt(i);
if (u >= 0xD800 && u <= 0xDFFF && i + 1 < k)
u = 0x10000 + ((u & 0x3FF) << 10) | (text.charCodeAt(++i) & 0x3FF);
u = 0x10000 + ((u & 0x3FF) << 10) | (string.charCodeAt(++i) & 0x3FF);
if (u <= 0x7F)
store<u8>(idx++, u as u8);
else if (u <= 0x7FF) {
@ -43,5 +42,17 @@ class CString extends CArray<u8> {
}
}
store<u8>(idx, 0);
return changetype<usize, this>(ptr);
}
@inline()
"[]"(index: usize): u8 {
return load<u8>(changetype<this, usize>(this) + index /* * sizeof<u8>() */);
}
// read-only
dispose(): void {
Heap.dispose(changetype<this, usize>(this));
}
}