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guard, info on never null, more general array rt

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dcode
2019-03-22 15:43:07 +01:00
parent c2ac1a0375
commit 7c0dc66849
69 changed files with 6066 additions and 4930 deletions
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17
std/assembly/string.ts
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@ -1,6 +1,7 @@
import { ALLOCATE, REGISTER, HEADER, HEADER_SIZE, ArrayBufferView, RETAIN } from "./runtime";
import { ALLOCATE, REGISTER, HEADER, HEADER_SIZE, RETAIN, MAKEARRAY, ArrayBufferView } from "./runtime";
import { MAX_SIZE_32 } from "./util/allocator";
import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./util/string";
import { E_INVALIDLENGTH } from "./util/error";
@sealed export abstract class String {
@ -322,7 +323,7 @@ import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./ut
// Most browsers can't handle strings 1 << 28 chars or longer
if (count < 0 || <u64>length * count > (1 << 28)) {
throw new RangeError("Invalid count value");
throw new RangeError(E_INVALIDLENGTH);
}
if (count == 0 || !length) return changetype<String>("");
@ -345,16 +346,16 @@ import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./ut
split(separator: String | null = null, limit: i32 = i32.MAX_VALUE): String[] {
assert(this !== null);
if (!limit) return new Array<String>();
if (!limit) return MAKEARRAY<String>(0);
if (separator === null) return <String[]>[this];
var length: isize = this.length;
var sepLen: isize = separator.length;
if (limit < 0) limit = i32.MAX_VALUE;
if (!sepLen) {
if (!length) return new Array<String>();
if (!length) return MAKEARRAY<String>(0);
// split by chars
length = min<isize>(length, <isize>limit);
let result = new Array<String>(length);
let result = MAKEARRAY<String>(length);
let resultStart = changetype<ArrayBufferView>(result).dataStart;
for (let i: isize = 0; i < length; ++i) {
let charStr = REGISTER<String>(ALLOCATE(2));
@ -371,11 +372,11 @@ import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./ut
}
return result;
} else if (!length) {
let result = new Array<String>(1);
let result = MAKEARRAY<String>(1);
store<string>(changetype<ArrayBufferView>(result).dataStart, ""); // no need to register/link
return result;
}
var result = new Array<String>();
var result = MAKEARRAY<String>(0);
var end = 0, start = 0, i = 0;
while ((end = this.indexOf(separator!, start)) != -1) {
let len = end - start;
@ -390,7 +391,7 @@ import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./ut
start = end + sepLen;
}
if (!start) {
let result = new Array<String>(1);
let result = MAKEARRAY<String>(1);
unchecked(result[0] = this);
return result;
}