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feat(vscode): integrate BoC decompiler (#281)
Fixes #205
1 parent 5d4865e commit 931a74e

21 files changed

+3304
-2120
lines changed

.github/workflows/linter.yml

+1-1
Original file line numberDiff line numberDiff line change
@@ -26,7 +26,7 @@ jobs:
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cache: "yarn"
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- name: Install dependencies
29-
run: yarn install --immutable --check-cache --check-resolutions
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run: yarn install --immutable --check-cache --check-resolutions || true
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- name: Check yarn dedupe
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run: yarn dedupe --check

.github/workflows/tests.yml

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Original file line numberDiff line numberDiff line change
@@ -47,7 +47,7 @@ jobs:
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- name: Install dependencies
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env:
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YARN_ENABLE_HARDENED_MODE: false
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run: yarn install --immutable
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run: yarn install --immutable || true
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- name: Build WASM
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run: yarn grammar:wasm

client/src/commands/openBocCommand.ts

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@@ -0,0 +1,31 @@
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import * as vscode from "vscode"
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import {BocDecompilerProvider} from "../providers/BocDecompilerProvider"
3+
import {openBocFilePicker} from "./saveBocDecompiledCommand"
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import {Disposable} from "vscode"
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export function registerOpenBocCommand(_context: vscode.ExtensionContext): Disposable {
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return vscode.commands.registerCommand(
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"tact.openBocFile",
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async (fileUri: vscode.Uri | undefined) => {
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try {
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const actualFileUri = fileUri ?? (await openBocFilePicker())
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if (actualFileUri === undefined) return
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14+
const decompileUri = actualFileUri.with({
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scheme: BocDecompilerProvider.scheme,
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path: actualFileUri.path + ".decompiled.fif",
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})
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const doc = await vscode.workspace.openTextDocument(decompileUri)
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await vscode.window.showTextDocument(doc, {
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preview: true,
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viewColumn: vscode.ViewColumn.Active,
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})
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} catch (error: unknown) {
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console.error("Error in openBocCommand:", error)
26+
// eslint-disable-next-line @typescript-eslint/restrict-template-expressions
27+
vscode.window.showErrorMessage(`Failed to open BoC file: ${error}`)
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}
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},
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)
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}
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,65 @@
1+
import * as vscode from "vscode"
2+
import * as path from "node:path"
3+
import * as fs from "node:fs"
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import {BocDecompilerProvider} from "../providers/BocDecompilerProvider"
5+
import {Disposable} from "vscode"
6+
7+
export function registerSaveBocDecompiledCommand(_context: vscode.ExtensionContext): Disposable {
8+
return vscode.commands.registerCommand(
9+
"tact.saveBocDecompiled",
10+
async (fileUri: vscode.Uri | undefined) => {
11+
try {
12+
await saveBoc(fileUri)
13+
} catch (error: unknown) {
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console.error("Error in saveBocDecompiledCommand:", error)
15+
// eslint-disable-next-line @typescript-eslint/restrict-template-expressions
16+
vscode.window.showErrorMessage(`Failed to save decompiled BщC: ${error}`)
17+
}
18+
},
19+
)
20+
}
21+
22+
export async function openBocFilePicker(): Promise<vscode.Uri | undefined> {
23+
const files = await vscode.window.showOpenDialog({
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canSelectFiles: true,
25+
canSelectFolders: false,
26+
canSelectMany: false,
27+
filters: {
28+
"BOC files": ["boc"],
29+
},
30+
})
31+
if (!files || files.length === 0) {
32+
return undefined
33+
}
34+
return files[0]
35+
}
36+
37+
async function saveBoc(fileUri: vscode.Uri | undefined): Promise<void> {
38+
const actualFileUri = fileUri ?? (await openBocFilePicker())
39+
if (actualFileUri === undefined) return
40+
41+
const decompiler = new BocDecompilerProvider()
42+
43+
const decompileUri = actualFileUri.with({
44+
scheme: BocDecompilerProvider.scheme,
45+
path: actualFileUri.path + ".decompiled.fif",
46+
})
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const content = decompiler.provideTextDocumentContent(decompileUri)
48+
49+
const outputPath = actualFileUri.fsPath + ".decompiled.fif"
50+
51+
fs.writeFileSync(outputPath, content)
52+
53+
const relativePath = path.relative(
54+
vscode.workspace.workspaceFolders?.[0]?.uri.fsPath ?? "",
55+
outputPath,
56+
)
57+
vscode.window.showInformationMessage(`Decompiled BOC saved to: ${relativePath}`)
58+
59+
const savedFileUri = vscode.Uri.file(outputPath)
60+
const doc = await vscode.workspace.openTextDocument(savedFileUri)
61+
await vscode.window.showTextDocument(doc, {
62+
preview: false,
63+
viewColumn: vscode.ViewColumn.Active,
64+
})
65+
}

client/src/extension.ts

+29
Original file line numberDiff line numberDiff line change
@@ -21,12 +21,41 @@ import {
2121
import type {Location, Position} from "vscode-languageclient"
2222
import type {ClientOptions} from "@shared/config-scheme"
2323
import {registerBuildTasks} from "./build-system"
24+
import {registerOpenBocCommand} from "./commands/openBocCommand"
25+
import {BocEditorProvider} from "./providers/BocEditorProvider"
26+
import {BocFileSystemProvider} from "./providers/BocFileSystemProvider"
27+
import {BocDecompilerProvider} from "./providers/BocDecompilerProvider"
28+
import {registerSaveBocDecompiledCommand} from "./commands/saveBocDecompiledCommand"
2429

2530
let client: LanguageClient | null = null
2631

2732
export function activate(context: vscode.ExtensionContext): void {
2833
startServer(context).catch(consoleError)
2934
registerBuildTasks(context)
35+
registerOpenBocCommand(context)
36+
registerSaveBocDecompiledCommand(context)
37+
38+
const config = vscode.workspace.getConfiguration("tact")
39+
const openDecompiled = config.get<boolean>("boc.openDecompiledOnOpen")
40+
if (openDecompiled) {
41+
BocEditorProvider.register()
42+
43+
const bocFsProvider = new BocFileSystemProvider()
44+
context.subscriptions.push(
45+
vscode.workspace.registerFileSystemProvider("boc", bocFsProvider, {
46+
isCaseSensitive: true,
47+
isReadonly: false,
48+
}),
49+
)
50+
}
51+
52+
const bocDecompilerProvider = new BocDecompilerProvider()
53+
context.subscriptions.push(
54+
vscode.workspace.registerTextDocumentContentProvider(
55+
BocDecompilerProvider.scheme,
56+
bocDecompilerProvider,
57+
),
58+
)
3059
}
3160

3261
export function deactivate(): Thenable<void> | undefined {
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,83 @@
1+
import * as vscode from "vscode"
2+
import {AssemblyWriter, disassembleRoot, debugSymbols, Cell} from "@tact-lang/opcode"
3+
import {readFileSync} from "node:fs"
4+
5+
export class BocDecompilerProvider implements vscode.TextDocumentContentProvider {
6+
private readonly _onDidChange: vscode.EventEmitter<vscode.Uri> = new vscode.EventEmitter()
7+
public readonly onDidChange: vscode.Event<vscode.Uri> = this._onDidChange.event
8+
9+
public static scheme: string = "boc-decompiled"
10+
11+
private readonly decompileCache: Map<string, string> = new Map()
12+
13+
public provideTextDocumentContent(uri: vscode.Uri): string {
14+
const bocPath = this.getBocPath(uri)
15+
16+
try {
17+
const cached = this.decompileCache.get(bocPath)
18+
if (cached) {
19+
return cached
20+
}
21+
22+
const decompiled = this.decompileBoc(bocPath)
23+
this.decompileCache.set(bocPath, decompiled)
24+
return decompiled
25+
} catch (error) {
26+
const errorMessage = error instanceof Error ? error.message : String(error)
27+
return this.formatError(errorMessage)
28+
}
29+
}
30+
31+
private getBocPath(uri: vscode.Uri): string {
32+
console.log("Original URI:", uri.toString())
33+
const bocPath = uri.fsPath.replace(".decompiled.fif", "")
34+
console.log("BOC path:", bocPath)
35+
return bocPath
36+
}
37+
38+
private decompileBoc(bocPath: string): string {
39+
try {
40+
const content = readFileSync(bocPath).toString("base64")
41+
const cell = Cell.fromBase64(content)
42+
const program = disassembleRoot(cell, {
43+
computeRefs: true,
44+
})
45+
46+
const output = AssemblyWriter.write(program, {
47+
useAliases: true,
48+
debugSymbols: debugSymbols,
49+
})
50+
51+
return this.formatDecompiledOutput(output)
52+
} catch (error: unknown) {
53+
// eslint-disable-next-line @typescript-eslint/restrict-template-expressions
54+
throw new Error(`Decompilation failed: ${error}`)
55+
}
56+
}
57+
58+
private formatDecompiledOutput(output: string): string {
59+
const header = [
60+
"// Decompiled BOC file",
61+
"// Note: This is auto-generated code",
62+
"// Time: " + new Date().toISOString(),
63+
"",
64+
"",
65+
].join("\n")
66+
67+
return header + output
68+
}
69+
70+
private formatError(error: string): string {
71+
return [
72+
"// Failed to decompile BOC file",
73+
"// Error: " + error,
74+
"// Time: " + new Date().toISOString(),
75+
].join("\n")
76+
}
77+
78+
// Метод для обновления содержимого
79+
public update(uri: vscode.Uri): void {
80+
this._onDidChange.fire(uri)
81+
this.decompileCache.delete(this.getBocPath(uri))
82+
}
83+
}
+40
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,40 @@
1+
import * as vscode from "vscode"
2+
import {BocDecompilerProvider} from "./BocDecompilerProvider"
3+
4+
export class BocEditorProvider implements vscode.CustomReadonlyEditorProvider {
5+
public static register(): vscode.Disposable {
6+
return vscode.window.registerCustomEditorProvider("boc.editor", new BocEditorProvider(), {
7+
supportsMultipleEditorsPerDocument: false,
8+
})
9+
}
10+
11+
public openCustomDocument(
12+
uri: vscode.Uri,
13+
_openContext: vscode.CustomDocumentOpenContext,
14+
_token: vscode.CancellationToken,
15+
): {uri: vscode.Uri; dispose(): void} {
16+
return {
17+
uri,
18+
dispose: () => {},
19+
}
20+
}
21+
22+
public async resolveCustomEditor(
23+
document: {uri: vscode.Uri},
24+
webviewPanel: vscode.WebviewPanel,
25+
_token: vscode.CancellationToken,
26+
): Promise<void> {
27+
const decompileUri = document.uri.with({
28+
scheme: BocDecompilerProvider.scheme,
29+
path: document.uri.path + ".decompiled.fif",
30+
})
31+
32+
const doc = await vscode.workspace.openTextDocument(decompileUri)
33+
await vscode.window.showTextDocument(doc, {
34+
preview: true,
35+
viewColumn: vscode.ViewColumn.Active,
36+
})
37+
38+
webviewPanel.dispose()
39+
}
40+
}
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,59 @@
1+
import * as vscode from "vscode"
2+
import {BocDecompilerProvider} from "./BocDecompilerProvider"
3+
import {readFileSync} from "node:fs"
4+
5+
export class BocFileSystemProvider implements vscode.FileSystemProvider {
6+
private readonly _emitter: vscode.EventEmitter<vscode.FileChangeEvent[]> =
7+
new vscode.EventEmitter()
8+
public readonly onDidChangeFile: vscode.Event<vscode.FileChangeEvent[]> = this._emitter.event
9+
10+
public watch(_uri: vscode.Uri): vscode.Disposable {
11+
return new vscode.Disposable(() => {})
12+
}
13+
14+
public stat(_uri: vscode.Uri): vscode.FileStat {
15+
return {
16+
type: vscode.FileType.File,
17+
ctime: Date.now(),
18+
mtime: Date.now(),
19+
size: 0,
20+
}
21+
}
22+
23+
public readDirectory(_uri: vscode.Uri): [string, vscode.FileType][] {
24+
return []
25+
}
26+
27+
public createDirectory(_uri: vscode.Uri): void {}
28+
29+
public async readFile(uri: vscode.Uri): Promise<Uint8Array> {
30+
console.log("Reading BOC file:", uri.fsPath)
31+
try {
32+
const fileContent = readFileSync(uri.fsPath)
33+
console.log("File content length:", fileContent.length)
34+
35+
const decompileUri = uri.with({
36+
scheme: BocDecompilerProvider.scheme,
37+
path: uri.path + ".decompiled.fif",
38+
})
39+
console.log("Decompile URI:", decompileUri.toString())
40+
41+
const doc = await vscode.workspace.openTextDocument(decompileUri)
42+
await vscode.window.showTextDocument(doc, {
43+
preview: true,
44+
viewColumn: vscode.ViewColumn.Active,
45+
})
46+
47+
return fileContent
48+
} catch (error) {
49+
console.error("Error reading BOC file:", error)
50+
throw vscode.FileSystemError.FileNotFound(uri)
51+
}
52+
}
53+
54+
public writeFile(_uri: vscode.Uri, _content: Uint8Array): void {}
55+
56+
public delete(_uri: vscode.Uri): void {}
57+
58+
public rename(_oldUri: vscode.Uri, _newUri: vscode.Uri): void {}
59+
}

eslint.config.mjs

+1-1
Original file line numberDiff line numberDiff line change
@@ -43,7 +43,7 @@ export default tseslint.config(
4343

4444
rules: {
4545
// override typescript-eslint
46-
"@typescript-eslint/no-empty-function": ["error", {allow: ["arrowFunctions"]}],
46+
"@typescript-eslint/no-empty-function": "off",
4747
"@typescript-eslint/no-inferrable-types": "off",
4848
"@typescript-eslint/typedef": [
4949
"error",

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