fluencelabs/assemblyscript
1
0
Fork 0
mirror of https://github.com/fluencelabs/assemblyscript synced 2025-06-16 16:31:32 +00:00
Code Issues Projects Releases Wiki Activity

guard, info on never null, more general array rt

Browse Source
This commit is contained in:
dcode
2019-03-22 15:43:07 +01:00
parent c2ac1a0375
commit 7c0dc66849
69 changed files with 6066 additions and 4930 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
std/assembly/dataview.ts
View File

@ -1,5 +1,6 @@
import { MAX_BYTELENGTH } from "./runtime";
import { ArrayBuffer } from "./arraybuffer";
import { E_INDEXOUTOFRANGE, E_INVALIDLENGTH } from "./util/error";
// TODO: there is probably a smarter way to check byteOffset for accesses larger than 1 byte
@ -12,11 +13,13 @@ export class DataView {
constructor(
buffer: ArrayBuffer,
byteOffset: i32 = 0,
byteLength: i32 = i32.MIN_VALUE // FIXME
byteLength: i32 = i32.MIN_VALUE // FIXME: TS2304: Cannot find name 'buffer'.
) {
if (byteLength === i32.MIN_VALUE) byteLength = buffer.byteLength - byteOffset; // FIXME
if (<u32>byteLength > <u32>MAX_BYTELENGTH) throw new RangeError("Invalid byteLength");
if (<u32>byteOffset + byteLength > <u32>buffer.byteLength) throw new RangeError("Invalid length");
if (
i32(<u32>byteLength > <u32>MAX_BYTELENGTH) |
i32(<u32>byteOffset + byteLength > <u32>buffer.byteLength)
) throw new RangeError(E_INVALIDLENGTH);
this.data = buffer; // links
var dataStart = changetype<usize>(buffer) + <usize>byteOffset;
this.dataStart = dataStart;
@ -39,7 +42,7 @@ export class DataView {
if (
i32(byteOffset < 0) |
i32(byteOffset + 4 > this.dataLength)
) throw new Error("Offset out of bounds");
) throw new RangeError(E_INDEXOUTOFRANGE);
return littleEndian
? load<f32>(this.dataStart + <usize>byteOffset)
: reinterpret<f32>(
@ -53,7 +56,7 @@ export class DataView {
if (
i32(byteOffset < 0) |
i32(byteOffset + 8 > this.dataLength)
) throw new Error("Offset out of bounds");
) throw new RangeError(E_INDEXOUTOFRANGE);
return littleEndian
? load<f64>(this.dataStart + <usize>byteOffset)
: reinterpret<f64>(
@ -64,7 +67,7 @@ export class DataView {
}
getInt8(byteOffset: i32): i8 {
if (<u32>byteOffset >= <u32>this.dataLength) throw new Error("Offset out of bounds");
if (<u32>byteOffset >= <u32>this.dataLength) throw new RangeError(E_INDEXOUTOFRANGE);
return load<i8>(this.dataStart + <usize>byteOffset);
}
@ -72,7 +75,7 @@ export class DataView {
if (
i32(byteOffset < 0) |
i32(byteOffset + 2 > this.dataLength)
) throw new Error("Offset out of bounds");
) throw new RangeError(E_INDEXOUTOFRANGE);
var result: i16 = load<i16>(this.dataStart + <usize>byteOffset);
return littleEndian ? result : bswap<i16>(result);
}
@ -81,13 +84,13 @@ export class DataView {
if (
i32(byteOffset < 0) |
i32(byteOffset + 4 > this.dataLength)
) throw new Error("Offset out of bounds");
) throw new RangeError(E_INDEXOUTOFRANGE);
var result: i32 = load<i32>(this.dataStart + <usize>byteOffset);
return littleEndian ? result : bswap<i32>(result);
}
getUint8(byteOffset: i32): u8 {
if (<u32>byteOffset >= <u32>this.dataLength) throw new Error("Offset out of bounds");
if (<u32>byteOffset >= <u32>this.dataLength) throw new RangeError(E_INDEXOUTOFRANGE);
return load<u8>(this.dataStart + <usize>byteOffset);
}
@ -95,7 +98,7 @@ export class DataView {
if (
i32(byteOffset < 0) |
i32(byteOffset + 2 > this.dataLength)
) throw new Error("Offset out of bounds");
) throw new RangeError(E_INDEXOUTOFRANGE);
var result: u16 = load<u16>(this.dataStart + <usize>byteOffset);
return littleEndian ? result : bswap<u16>(result);
}
@ -104,7 +107,7 @@ export class DataView {
if (
i32(byteOffset < 0) |
i32(byteOffset + 4 > this.dataLength)
) throw new Error("Offset out of bounds");
) throw new RangeError(E_INDEXOUTOFRANGE);
var result: u32 = load<u32>(this.dataStart + <usize>byteOffset);
return littleEndian ? result : bswap<u32>(result);
}
@ -113,7 +116,7 @@ export class DataView {
if (
i32(byteOffset < 0) |
i32(byteOffset + 4 > this.dataLength)
) throw new Error("Offset out of bounds");
) throw new RangeError(E_INDEXOUTOFRANGE);
if (littleEndian) store<f32>(this.dataStart + <usize>byteOffset, value);
else store<u32>(this.dataStart + <usize>byteOffset, bswap<u32>(reinterpret<u32>(value)));
}
@ -122,13 +125,13 @@ export class DataView {
if (
i32(byteOffset < 0) |
i32(byteOffset + 8 > this.dataLength)
) throw new Error("Offset out of bounds");
) throw new RangeError(E_INDEXOUTOFRANGE);
if (littleEndian) store<f64>(this.dataStart + <usize>byteOffset, value);
else store<u64>(this.dataStart + <usize>byteOffset, bswap<u64>(reinterpret<u64>(value)));
}
setInt8(byteOffset: i32, value: i8): void {
if (<u32>byteOffset >= <u32>this.dataLength) throw new Error("Offset out of bounds");
if (<u32>byteOffset >= <u32>this.dataLength) throw new RangeError(E_INDEXOUTOFRANGE);
store<i8>(this.dataStart + <usize>byteOffset, value);
}
@ -136,7 +139,7 @@ export class DataView {
if (
i32(byteOffset < 0) |
i32(byteOffset + 2 > this.dataLength)
) throw new Error("Offset out of bounds");
) throw new RangeError(E_INDEXOUTOFRANGE);
store<i16>(this.dataStart + <usize>byteOffset, littleEndian ? value : bswap<i16>(value));
}
@ -144,12 +147,12 @@ export class DataView {
if (
i32(byteOffset < 0) |
i32(byteOffset + 4 > this.dataLength)
) throw new Error("Offset out of bounds");
) throw new RangeError(E_INDEXOUTOFRANGE);
store<i32>(this.dataStart + <usize>byteOffset, littleEndian ? value : bswap<i32>(value));
}
setUint8(byteOffset: i32, value: u8): void {
if (<u32>byteOffset >= <u32>this.dataLength) throw new Error("Offset out of bounds");
if (<u32>byteOffset >= <u32>this.dataLength) throw new RangeError(E_INDEXOUTOFRANGE);
store<u8>(this.dataStart + <usize>byteOffset, value);
}
@ -157,7 +160,7 @@ export class DataView {
if (
i32(byteOffset < 0) |
i32(byteOffset + 2 > this.dataLength)
) throw new Error("Offset out of bounds");
) throw new RangeError(E_INDEXOUTOFRANGE);
store<u16>(this.dataStart + <usize>byteOffset, littleEndian ? value : bswap<u16>(value));
}
@ -165,7 +168,7 @@ export class DataView {
if (
i32(byteOffset < 0) |
i32(byteOffset + 4 > this.dataLength)
) throw new Error("Offset out of bounds");
) throw new RangeError(E_INDEXOUTOFRANGE);
store<u32>(this.dataStart + <usize>byteOffset, littleEndian ? value : bswap<u32>(value));
}
@ -175,7 +178,7 @@ export class DataView {
if (
i32(byteOffset < 0) |
i32(byteOffset + 8 > this.dataLength)
) throw new Error("Offset out of bounds");
) throw new RangeError(E_INDEXOUTOFRANGE);
var result: i64 = load<i64>(this.dataStart + <usize>byteOffset);
return littleEndian ? result : bswap<i64>(result);
}
@ -184,7 +187,7 @@ export class DataView {
if (
i32(byteOffset < 0) |
i32(byteOffset + 8 > this.dataLength)
) throw new Error("Offset out of bounds");
) throw new RangeError(E_INDEXOUTOFRANGE);
var result = load<u64>(this.dataStart + <usize>byteOffset);
return littleEndian ? result : bswap<u64>(result);
}
@ -193,7 +196,7 @@ export class DataView {
if (
i32(byteOffset < 0) |
i32(byteOffset + 8 > this.dataLength)
) throw new Error("Offset out of bounds");
) throw new RangeError(E_INDEXOUTOFRANGE);
store<i64>(this.dataStart + <usize>byteOffset, littleEndian ? value : bswap<i64>(value));
}
@ -201,7 +204,7 @@ export class DataView {
if (
i32(byteOffset < 0) |
i32(byteOffset + 8 > this.dataLength)
) throw new Error("Offset out of bounds");
) throw new RangeError(E_INDEXOUTOFRANGE);
store<u64>(this.dataStart + <usize>byteOffset, littleEndian ? value : bswap<u64>(value));
}