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This commit is contained in:
dcode
2019-03-14 05:11:03 +01:00
parent 6163a73ab5
commit a5e14a0eaa
24 changed files with 739 additions and 102 deletions
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13
std/assembly/string.ts
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@ -3,6 +3,7 @@ import { MAX_SIZE_32 } from "./util/allocator";
import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./util/string";
@sealed export abstract class String {
// @ts-ignore: decorator
@lazy static readonly MAX_LENGTH: i32 = (MAX_SIZE_32 - runtime.Header.SIZE) >> alignof<u16>();
get length(): i32 {
@ -19,6 +20,7 @@ import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./ut
static fromCodePoint(code: i32): String {
assert(<u32>code <= 0x10FFFF);
var sur = code > 0xFFFF;
// @ts-ignore: type
var out = runtime.allocRaw((<i32>sur + 1) << 1);
if (!sur) {
store<u16>(out, <u16>code);
@ -80,6 +82,7 @@ import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./ut
var searchLength: isize = searchString.length;
var start: isize = end - searchLength;
if (start < 0) return false;
// @ts-ignore: string/String
return !compareImpl(this, start, searchString, 0, searchLength);
}
@ -88,6 +91,7 @@ import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./ut
if (left === null || right === null) return false;
var leftLength = left.length;
if (leftLength != right.length) return false;
// @ts-ignore: string/String
return !compareImpl(left, 0, right, 0, leftLength);
}
@ -101,6 +105,7 @@ import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./ut
var rightLength = right.length;
if (!leftLength) return false;
if (!rightLength) return true;
// @ts-ignore: string/String
return compareImpl(left, 0, right, 0, min(leftLength, rightLength)) > 0;
}
@ -114,6 +119,7 @@ import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./ut
var rightLength = right.length;
if (!rightLength) return false;
if (!leftLength) return true;
// @ts-ignore: string/String
return compareImpl(left, 0, right, 0, min(leftLength, rightLength)) < 0;
}
@ -135,6 +141,7 @@ import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./ut
var start = min<isize>(max<isize>(fromIndex, 0), len);
len -= searchLen;
for (let k: isize = start; k <= len; ++k) {
// @ts-ignore: string/String
if (!compareImpl(this, k, searchString, 0, searchLen)) return <i32>k;
}
return -1;
@ -149,6 +156,7 @@ import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./ut
if (!len) return -1;
var start = min<isize>(max(fromIndex, 0), len - searchLen);
for (let k = start; k >= 0; --k) {
// @ts-ignore: string/String
if (!compareImpl(this, k, searchString, 0, searchLen)) return <i32>k;
}
return -1;
@ -162,6 +170,7 @@ import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./ut
var start = min(max(pos, 0), len);
var searchLength: isize = searchString.length;
if (searchLength + start > len) return false;
// @ts-ignore: string/String
return !compareImpl(this, start, searchString, 0, searchLength);
}
@ -510,17 +519,21 @@ import { compareImpl, parse, CharCode, isWhiteSpaceOrLineTerminator } from "./ut
}
}
// @ts-ignore: nolib
export type string = String;
export function parseInt(str: String, radix: i32 = 0): f64 {
// @ts-ignore: string/String
return parse<f64>(str, radix);
}
export function parseI32(str: String, radix: i32 = 0): i32 {
// @ts-ignore: string/String
return parse<i32>(str, radix);
}
export function parseI64(str: String, radix: i32 = 0): i64 {
// @ts-ignore: string/String
return parse<i64>(str, radix);
}