fluencelabs/assemblyscript
1
0
Fork 0
mirror of https://github.com/fluencelabs/assemblyscript synced 2025-06-15 16:01:30 +00:00
Code Issues Projects Releases Wiki Activity

Initial external decorator for annotating explicit import names; Use file name as default module name in imports; Emit empty memory if there are no static segments; Update TLSF and examples accordingly

Browse Source
This commit is contained in:
dcodeIO
2018-06-28 01:44:32 +02:00
parent 27e61f8f67
commit 9c16363796
110 changed files with 17069 additions and 16757 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
lib/parse/assembly/index.ts
View File

@ -11,6 +11,8 @@ import {
Opcode
} from "../src/common";
import * as opt from "./options";
/** Current offset in memory. */
var off: usize = 0;
@ -104,26 +106,6 @@ function skipInitExpr(): void {
if (readUint<u8>() != Opcode.end) unreachable();
}
// Imported callbacks
declare function onSection(id: u32, offset: u32, length: u32, nameOffset: u32, nameLength: u32): bool;
declare function onType(index: u32, form: u32): void;
declare function onTypeParam(index: u32, paramIndex: u32, paramType: u32): void;
declare function onTypeReturn(index: u32, returnIndex: u32, returnType: u32): void;
declare function onImport(index: u32, kind: u32, moduleOff: u32, moduleLen: u32, fieldOff: u32, fieldLen: u32): void;
declare function onFunctionImport(index: u32, type: u32): void;
declare function onTableImport(index: u32, type: u32, initial: u32, maximum: u32, flags: u32): void;
declare function onMemoryImport(index: u32, initial: u32, maximum: u32, flags: u32): void;
declare function onGlobalImport(index: u32, type: u32, mutability: u32): void;
declare function onMemory(index: u32, initial: u32, maximum: u32, flags: u32): void;
declare function onFunction(index: u32, typeIndex: u32): void;
declare function onGlobal(index: u32, type: u32, mutability: u32): void;
declare function onExport(index: u32, kind: u32, kindIndex: u32, nameOffset: u32, nameLength: u32): void;
declare function onStart(index: u32): void;
declare function onSourceMappingURL(offset: u32, length: u32): void;
declare function onModuleName(offset: u32, length: u32): void;
declare function onFunctionName(index: u32, offset: u32, length: u32): void;
declare function onLocalName(funcIndex: u32, index: u32, offset: u32, length: u32): void;
/** Starts parsing the module that has been placed in memory. */
export function parse(begin: usize, end: usize): void {
off = begin;
@ -149,7 +131,7 @@ export function parse(begin: usize, end: usize): void {
payload_len -= off - before;
} else if (id > <u32>SectionId.Data) unreachable();
let payload_off = off;
if (onSection(
if (opt.onSection(
id,
payload_off,
payload_len,
@ -161,14 +143,14 @@ export function parse(begin: usize, end: usize): void {
let count = readVaruint(32);
for (let index: u32 = 0; index < count; ++index) {
let form = readVarint(7) & 0x7f;
onType(
opt.onType(
index,
form
);
let paramCount = readVaruint(32);
for (let paramIndex: u32 = 0; paramIndex < paramCount; ++paramIndex) {
let paramType = readVarint(7) & 0x7f;
onTypeParam(
opt.onTypeParam(
index,
paramIndex,
paramType
@ -177,7 +159,7 @@ export function parse(begin: usize, end: usize): void {
let returnCount = readVaruint(1); // MVP
for (let returnIndex: u32 = 0; returnIndex < returnCount; ++returnIndex) {
let returnType = readVarint(7) & 0x7f;
onTypeReturn(
opt.onTypeReturn(
index,
returnIndex,
returnType
@ -196,7 +178,7 @@ export function parse(begin: usize, end: usize): void {
let field_off = off;
off += field_len;
let kind = readUint<u8>();
onImport(
opt.onImport(
index,
kind,
module_off,
@ -207,7 +189,7 @@ export function parse(begin: usize, end: usize): void {
switch (kind) {
case ExternalKind.Function: {
let type = readVaruint(32);
onFunctionImport(
opt.onFunctionImport(
fun_space_index++,
type
);
@ -218,7 +200,7 @@ export function parse(begin: usize, end: usize): void {
let flags = readVaruint(1);
let initial = readVaruint(32);
let maximum: u32 = flags & 1 ? readVaruint(32) : MAX_TABLES;
onTableImport(
opt.onTableImport(
tbl_space_index++,
type,
initial,
@ -231,7 +213,7 @@ export function parse(begin: usize, end: usize): void {
let flags = readVaruint(1);
let initial = readVaruint(32);
let maximum: u32 = flags & 1 ? readVaruint(32) : MAX_PAGES;
onMemoryImport(
opt.onMemoryImport(
mem_space_index++,
initial,
maximum,
@ -242,7 +224,7 @@ export function parse(begin: usize, end: usize): void {
case ExternalKind.Global: {
let type = readVarint(7) & 0x7f;
let mutability = readVaruint(1);
onGlobalImport(
opt.onGlobalImport(
glo_space_index++,
type,
mutability
@ -258,7 +240,7 @@ export function parse(begin: usize, end: usize): void {
let count = readVaruint(32);
for (let i: u32 = 0; i < count; ++i) {
let typeIndex = readVaruint(32);
onFunction(
opt.onFunction(
fun_space_index++,
typeIndex
);
@ -271,7 +253,7 @@ export function parse(begin: usize, end: usize): void {
let flags = readVaruint(1);
let initial = readVaruint(32);
let maximum: u32 = flags ? readVaruint(32) : MAX_PAGES;
onMemory(
opt.onMemory(
mem_space_index++,
initial,
maximum,
@ -286,7 +268,7 @@ export function parse(begin: usize, end: usize): void {
let type = readVarint(7) & 0x7f;
let mutability = readVaruint(1);
skipInitExpr();
onGlobal(
opt.onGlobal(
glo_space_index++,
type,
mutability
@ -302,7 +284,7 @@ export function parse(begin: usize, end: usize): void {
off += field_len;
let kind = readUint<u8>();
let kind_index = readVaruint(32);
onExport(
opt.onExport(
index,
kind,
kind_index,
@ -314,7 +296,7 @@ export function parse(begin: usize, end: usize): void {
}
case SectionId.Start: {
let index = readVaruint(32);
onStart(
opt.onStart(
index
);
break;
@ -331,7 +313,7 @@ export function parse(begin: usize, end: usize): void {
case NameType.Module: {
let module_name_len = readVaruint(32);
let module_name_off = off;
onModuleName(
opt.onModuleName(
module_name_off,
module_name_len
);
@ -344,7 +326,7 @@ export function parse(begin: usize, end: usize): void {
let fn_name_len = readVaruint(32);
let fn_name_off = off;
off += fn_name_len;
onFunctionName(
opt.onFunctionName(
fn_index,
fn_name_off,
fn_name_len
@ -362,7 +344,7 @@ export function parse(begin: usize, end: usize): void {
let lc_name_len = readVaruint(32);
let lc_name_off = off;
off += lc_name_len;
onLocalName(
opt.onLocalName(
fn_index,
lc_index,
lc_name_off,
@ -384,7 +366,7 @@ export function parse(begin: usize, end: usize): void {
let url_len = readVaruint(32);
let url_off = off;
off += url_len;
onSourceMappingURL(
opt.onSourceMappingURL(
url_off,
url_len
);

19
lib/parse/assembly/options.ts Normal file
View File

@ -0,0 +1,19 @@
// Imported callbacks
export declare function onSection(id: u32, offset: u32, length: u32, nameOffset: u32, nameLength: u32): bool;
export declare function onType(index: u32, form: u32): void;
export declare function onTypeParam(index: u32, paramIndex: u32, paramType: u32): void;
export declare function onTypeReturn(index: u32, returnIndex: u32, returnType: u32): void;
export declare function onImport(index: u32, kind: u32, moduleOff: u32, moduleLen: u32, fieldOff: u32, fieldLen: u32): void;
export declare function onFunctionImport(index: u32, type: u32): void;
export declare function onTableImport(index: u32, type: u32, initial: u32, maximum: u32, flags: u32): void;
export declare function onMemoryImport(index: u32, initial: u32, maximum: u32, flags: u32): void;
export declare function onGlobalImport(index: u32, type: u32, mutability: u32): void;
export declare function onMemory(index: u32, initial: u32, maximum: u32, flags: u32): void;
export declare function onFunction(index: u32, typeIndex: u32): void;
export declare function onGlobal(index: u32, type: u32, mutability: u32): void;
export declare function onExport(index: u32, kind: u32, kindIndex: u32, nameOffset: u32, nameLength: u32): void;
export declare function onStart(index: u32): void;
export declare function onSourceMappingURL(offset: u32, length: u32): void;
export declare function onModuleName(offset: u32, length: u32): void;
export declare function onFunctionName(index: u32, offset: u32, length: u32): void;
export declare function onLocalName(funcIndex: u32, index: u32, offset: u32, length: u32): void;

860
lib/parse/build/index.wat
View File

File diff suppressed because it is too large Load Diff

2
lib/parse/index.js
View File

File diff suppressed because one or more lines are too long

2
lib/parse/index.js.map
View File

File diff suppressed because one or more lines are too long

10
lib/parse/src/index.ts
View File

@ -65,8 +65,12 @@ export function parse(binary: Uint8Array, options?: ParseOptions): void {
parse.readString = (offset: number, length: number): string => utf8_read(buffer, offset, offset + length);
// instantiate the parser and return its exports
function nop(): void {}
var imports = { env: { memory } };
var imports = {
env: {
memory
},
options: {}
};
[ "onSection",
"onType",
"onTypeParam",
@ -85,7 +89,7 @@ export function parse(binary: Uint8Array, options?: ParseOptions): void {
"onModuleName",
"onFunctionName",
"onLocalName"
].forEach((name: string): void => imports.env[name] = options[name] || nop);
].forEach((name: string): void => imports.options[name] = options[name] || function() {});
var instance = new WebAssembly.Instance(compiled, imports);
instance.exports.parse(0, nBytes);
}