Merge branch 'master' into wip
Change-Id: I5985bd1e7320a6f2a28c4f43b409fb50b00ff733
diff --git a/.gitignore b/.gitignore
index 01589f0..deff5f2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
+node_modules/
+out/
+/language-fidl-*.vsix
*.pyc
__pycache__
diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..8384213
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,13 @@
+// A launch configuration that launches the extension inside a new window
+{
+ "version": "0.1.0",
+ "configurations": [
+ {
+ "name": "Launch Extension",
+ "type": "extensionHost",
+ "request": "launch",
+ "runtimeExecutable": "${execPath}",
+ "args": ["--extensionDevelopmentPath=${workspaceRoot}" ]
+ }
+ ]
+}
\ No newline at end of file
diff --git a/.vscodeignore b/.vscodeignore
new file mode 100644
index 0000000..f16fa55
--- /dev/null
+++ b/.vscodeignore
@@ -0,0 +1 @@
+.vscode/**
diff --git a/vscode-language-fidl/AUTHORS b/vscode-language-fidl/AUTHORS
new file mode 100644
index 0000000..c2a4eac
--- /dev/null
+++ b/vscode-language-fidl/AUTHORS
@@ -0,0 +1,8 @@
+# This is the list of Fuchsia Authors.
+
+# Names should be added to this file as one of
+# Organization's name
+# Individual's name <submission email address>
+# Individual's name <submission email address> <email2> <emailN>
+
+Google Inc.
diff --git a/vscode-language-fidl/CHANGELOG.md b/vscode-language-fidl/CHANGELOG.md
new file mode 100644
index 0000000..3a0506a
--- /dev/null
+++ b/vscode-language-fidl/CHANGELOG.md
@@ -0,0 +1,16 @@
+# v0.0.1
+
+- Initial release with basic syntax highlighting support for FIDL.
+
+# v0.0.3
+
+- Offer a "FIDL: Go To Source" command to jump from generated bindings to FIDL source when working in the Fuchsia tree.
+
+# v0.1.0
+
+- FIDL2 syntax highlighting.
+
+# v0.2.0
+
+- FIDL formatting support
+- Syntax highlighting improvements
diff --git a/vscode-language-fidl/CONTRIBUTING.md b/vscode-language-fidl/CONTRIBUTING.md
new file mode 100644
index 0000000..81e2938
--- /dev/null
+++ b/vscode-language-fidl/CONTRIBUTING.md
@@ -0,0 +1,9 @@
+This repository accepts contributions using Gerrit.
+
+Instructions for using Gerrit:
+
+ * https://gerrit-review.googlesource.com/Documentation/
+
+Before we can land your change, you need to sign the Google CLA:
+
+ * https://cla.developers.google.com/
diff --git a/vscode-language-fidl/LICENSE b/vscode-language-fidl/LICENSE
new file mode 100644
index 0000000..cdfb473
--- /dev/null
+++ b/vscode-language-fidl/LICENSE
@@ -0,0 +1,27 @@
+// Copyright 2017 The Fuchsia Authors. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/vscode-language-fidl/PATENTS b/vscode-language-fidl/PATENTS
new file mode 100644
index 0000000..2746e78
--- /dev/null
+++ b/vscode-language-fidl/PATENTS
@@ -0,0 +1,22 @@
+Additional IP Rights Grant (Patents)
+
+"This implementation" means the copyrightable works distributed by
+Google as part of the Fuchsia project.
+
+Google hereby grants to you a perpetual, worldwide, non-exclusive,
+no-charge, royalty-free, irrevocable (except as stated in this
+section) patent license to make, have made, use, offer to sell, sell,
+import, transfer, and otherwise run, modify and propagate the contents
+of this implementation of Fuchsia, where such license applies only to
+those patent claims, both currently owned by Google and acquired in
+the future, licensable by Google that are necessarily infringed by
+this implementation. This grant does not include claims that would be
+infringed only as a consequence of further modification of this
+implementation. If you or your agent or exclusive licensee institute
+or order or agree to the institution of patent litigation or any other
+patent enforcement activity against any entity (including a
+cross-claim or counterclaim in a lawsuit) alleging that this
+implementation of Fuchsia constitutes direct or contributory patent
+infringement, or inducement of patent infringement, then any patent
+rights granted to you under this License for this implementation of
+Fuchsia shall terminate as of the date such litigation is filed.
diff --git a/vscode-language-fidl/README.md b/vscode-language-fidl/README.md
new file mode 100644
index 0000000..aa72e09
--- /dev/null
+++ b/vscode-language-fidl/README.md
@@ -0,0 +1,12 @@
+# FIDL Language Support for Visual Studio Code
+
+This extension adds syntax highlighting and formatting for [FIDL][fidl] files.
+
+The syntax highlighting is generated by a script called `generate-syntax.ts`. That can be run by:
+
+```
+npm install
+npm run-script build-syntax
+```
+
+[fidl]: https://fuchsia.dev/fuchsia-src/development/languages/fidl
diff --git a/vscode-language-fidl/images/fuchsia_logo_128x128.png b/vscode-language-fidl/images/fuchsia_logo_128x128.png
new file mode 100644
index 0000000..a5e83d3
--- /dev/null
+++ b/vscode-language-fidl/images/fuchsia_logo_128x128.png
Binary files differ
diff --git a/vscode-language-fidl/language-configuration.json b/vscode-language-fidl/language-configuration.json
new file mode 100644
index 0000000..9afbacf
--- /dev/null
+++ b/vscode-language-fidl/language-configuration.json
@@ -0,0 +1,26 @@
+{
+ "comments": {
+ "lineComment": "//",
+ "blockComment": [ "/*", "*/" ]
+ },
+ // symbols used as brackets
+ "brackets": [
+ ["{", "}"],
+ ["[", "]"],
+ ["(", ")"]
+ ],
+ // symbols that are auto closed when typing
+ "autoClosingPairs": [
+ ["{", "}"],
+ ["[", "]"],
+ ["(", ")"],
+ ["\"", "\""]
+ ],
+ // symbols that that can be used to surround a selection
+ "surroundingPairs": [
+ ["{", "}"],
+ ["[", "]"],
+ ["(", ")"],
+ ["\"", "\""]
+ ]
+}
\ No newline at end of file
diff --git a/vscode-language-fidl/package-lock.json b/vscode-language-fidl/package-lock.json
new file mode 100644
index 0000000..5ff8db8
--- /dev/null
+++ b/vscode-language-fidl/package-lock.json
@@ -0,0 +1,1244 @@
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+ "name": "language-fidl",
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+ "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-1.0.1.tgz",
+ "integrity": "sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE=",
+ "dev": true
+ },
+ "yargs": {
+ "version": "12.0.5",
+ "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
+ "integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
+ "dev": true,
+ "requires": {
+ "cliui": "^4.0.0",
+ "decamelize": "^1.2.0",
+ "find-up": "^3.0.0",
+ "get-caller-file": "^1.0.1",
+ "os-locale": "^3.0.0",
+ "require-directory": "^2.1.1",
+ "require-main-filename": "^1.0.1",
+ "set-blocking": "^2.0.0",
+ "string-width": "^2.0.0",
+ "which-module": "^2.0.0",
+ "y18n": "^3.2.1 || ^4.0.0",
+ "yargs-parser": "^11.1.1"
+ }
+ },
+ "yargs-parser": {
+ "version": "11.1.1",
+ "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
+ "integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
+ "dev": true,
+ "requires": {
+ "camelcase": "^5.0.0",
+ "decamelize": "^1.2.0"
+ }
+ }
+ }
+ },
+ "yn": {
+ "version": "3.1.0",
+ "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.0.tgz",
+ "integrity": "sha512-kKfnnYkbTfrAdd0xICNFw7Atm8nKpLcLv9AZGEt+kczL/WQVai4e2V6ZN8U/O+iI6WrNuJjNNOyu4zfhl9D3Hg==",
+ "dev": true
+ }
+ }
+}
diff --git a/vscode-language-fidl/package.json b/vscode-language-fidl/package.json
new file mode 100644
index 0000000..6b6a8c3
--- /dev/null
+++ b/vscode-language-fidl/package.json
@@ -0,0 +1,89 @@
+{
+ "name": "language-fidl",
+ "displayName": "FIDL Language Support",
+ "description": "Support for FIDL files",
+ "license": "SEE LICENSE IN LICENSE",
+ "version": "0.2.0",
+ "publisher": "fuchsia-authors",
+ "engines": {
+ "vscode": "^1.41.0"
+ },
+ "categories": [
+ "Programming Languages"
+ ],
+ "main": "./out/extension.js",
+ "contributes": {
+ "languages": [
+ {
+ "id": "fidl",
+ "aliases": [
+ "FIDL",
+ "fidl"
+ ],
+ "extensions": [
+ ".fidl"
+ ],
+ "configuration": "./language-configuration.json"
+ }
+ ],
+ "grammars": [
+ {
+ "language": "fidl",
+ "scopeName": "source.fidl",
+ "path": "./syntaxes/fidl.tmLanguage.json"
+ }
+ ],
+ "configuration": [
+ {
+ "title": "FIDL",
+ "properties": {
+ "fidl.format.enable": {
+ "type": "boolean",
+ "default": true,
+ "description": "Enable/disable FIDL formatter."
+ },
+ "fidl.formatTool": {
+ "type": "string",
+ "description": "Specifies the absolute path to the fidl-format tool."
+ }
+ }
+ }
+ ]
+ },
+ "homepage": "https://fuchsia.googlesource.com/vscode-language-fidl",
+ "repository": {
+ "type": "git",
+ "url": "https://fuchsia.googlesource.com/vscode-language-fidl"
+ },
+ "icon": "images/fuchsia_logo_128x128.png",
+ "activationEvents": [
+ "onLanguage:fidl"
+ ],
+ "scripts": {
+ "vscode:prepublish": "npm run compile",
+ "compile": "tsc -p ./",
+ "watch": "tsc -watch -p ./",
+ "test": "mocha --require ts-node/register ./test/*.test.ts",
+ "build-syntax": "ts-node ./tools/generate-syntax.ts > ./syntaxes/fidl.tmLanguage.json",
+ "presubmit": "prettier --write tools/generate-syntax.ts"
+ },
+ "devDependencies": {
+ "@types/mocha": "^5.2.6",
+ "@types/node": "^11.13.4",
+ "@types/oniguruma": "^7.0.1",
+ "@types/tmp": "^0.1.0",
+ "@types/vscode": "^1.41.0",
+ "mocha": "^6.1.2",
+ "oniguruma": "^7.0.2",
+ "prettier": "*",
+ "ts-node": "^8.0.3",
+ "tslint": "*",
+ "typescript": "^3.4.3"
+ },
+ "__metadata": {
+ "id": "0eda5a5d-beca-458d-9855-7994a1f8d22c",
+ "publisherDisplayName": "The Fuchsia Authors",
+ "publisherId": "6b4341fb-1e2c-4a5e-9c1f-1d34016009f5"
+ },
+ "dependencies": {}
+}
diff --git a/vscode-language-fidl/src/extension.ts b/vscode-language-fidl/src/extension.ts
new file mode 100644
index 0000000..e3cc0a0
--- /dev/null
+++ b/vscode-language-fidl/src/extension.ts
@@ -0,0 +1,12 @@
+'use strict';
+
+import * as vscode from 'vscode';
+import FidlFormattingEditProvider from './formatter';
+
+export function activate(_context: vscode.ExtensionContext) {
+ if (vscode.workspace.getConfiguration('fidl.format').get('enable')) {
+ vscode.languages.registerDocumentFormattingEditProvider(
+ { language: 'fidl' },
+ new FidlFormattingEditProvider());
+ }
+}
\ No newline at end of file
diff --git a/vscode-language-fidl/src/formatter.ts b/vscode-language-fidl/src/formatter.ts
new file mode 100644
index 0000000..1f4e421
--- /dev/null
+++ b/vscode-language-fidl/src/formatter.ts
@@ -0,0 +1,124 @@
+'use strict';
+
+import * as vscode from 'vscode';
+import { spawnSync } from 'child_process';
+import {
+ guessFidlFormatToolPath,
+ getFidlFormatToolPathFromPreferences,
+ FormatToolError,
+ FormatToolErrorCause
+} from './tool_finder';
+
+const notDefined = "FIDL format tool not specified. Please set the path to fidl-format in Settings.";
+const notExecutable = "FIDL format tool doesn't exist or can't be run. Please verify the path to fidl-format in Settings.";
+const formatterError = "Error formatting FIDL";
+
+const editSettingLabel = "Edit setting";
+
+async function showError(e: FormatToolError) {
+ let message;
+ let showEdit = false;
+ switch (e.cause) {
+ case FormatToolErrorCause.ToolNotSpecified:
+ message = notDefined;
+ showEdit = true;
+ break;
+ case FormatToolErrorCause.ToolNotExecutable:
+ message = notExecutable;
+ showEdit = true;
+ break;
+ case FormatToolErrorCause.FormatterError:
+ message = `${formatterError}: ${e.formatterMessage}`
+ break;
+ default:
+ // This shouldn't happen. Since we don't know what kind of error we
+ // have, we rethrow so this error appears in the console during
+ // development.
+ throw e;
+ }
+ let items: string[] = [];
+ if (showEdit) {
+ items.push(editSettingLabel);
+ }
+ let item = await vscode.window.showErrorMessage(message, ...items);
+ switch (item) {
+ case undefined:
+ case null:
+ // The user did not choose to edit setting.
+ return;
+ case editSettingLabel:
+ vscode.commands.executeCommand('workbench.action.openSettings', 'fidl.formatTool');
+ }
+}
+
+/**
+ * A formatting edit provider that runs fidl-format over the code in the
+ * current FIDL file.
+ *
+ * Objects of this class will check for the presence of the fidl-format path in
+ * settings when instantiated and on every formatting request. If the path is
+ * left empty (the default) and the path to fidl-format isn't specified,
+ * objects of this class will show a notification to the user each time they
+ * try to format a FIDL file.
+ */
+export default class FidlFormattingEditProvider implements vscode.DocumentFormattingEditProvider {
+ /**
+ * The cached path to the autodetected fidl-format tool. This is set once
+ * for the session if the user hasn't explicitly set a path in preferences.
+ */
+ cachedGuessedFidlFormatToolPath: string | null = null;
+ constructor() {
+ if (getFidlFormatToolPathFromPreferences()) {
+ // The fidl-format tool path is specified in preferences, so no
+ // caching is needed.
+ return;
+ }
+
+ guessFidlFormatToolPath().then(
+ (p) => this.cachedGuessedFidlFormatToolPath = p,
+ (e: FormatToolError) => showError(e));
+
+ }
+
+ async provideDocumentFormattingEdits(document: vscode.TextDocument): Promise<vscode.TextEdit[]> {
+ const fromPrefs = getFidlFormatToolPathFromPreferences();
+ let formatTool: string;
+
+ if (fromPrefs) {
+ // If the user has set a fidl-format path, that takes precedence.
+ formatTool = fromPrefs;
+ // Remove any cached (i.e. autodetected) tool.
+ this.cachedGuessedFidlFormatToolPath = null;
+ } else if (this.cachedGuessedFidlFormatToolPath) {
+ // If there is a cached fidl-format path, use that for this
+ // session.
+ formatTool = this.cachedGuessedFidlFormatToolPath;
+ } else {
+ // Find the fidl-format tool.
+ try {
+ formatTool = await guessFidlFormatToolPath();
+ } catch (e) {
+ showError(e);
+ return [];
+ }
+ }
+
+ // FIDL files are assumed to always be UTF-8.
+ const format = spawnSync(formatTool, [], { encoding: 'utf8', input: document.getText() });
+ if (format.status) {
+ // fidl-format exited with an error.
+ const e = new FormatToolError(FormatToolErrorCause.FormatterError);
+ e.formatterMessage = format.stderr;
+ showError(e);
+ // Return no edits. i.e. no changes to document.
+ return [];
+ }
+
+ const fileStart = new vscode.Position(0, 0);
+ const fileEnd = document.lineAt(document.lineCount - 1).range.end;
+
+ // Casting: because spawnSync was called with an encoding,
+ // format.stdout is already a string.
+ return [new vscode.TextEdit(new vscode.Range(fileStart, fileEnd), format.stdout as string)];
+ }
+}
diff --git a/vscode-language-fidl/src/tool_finder.ts b/vscode-language-fidl/src/tool_finder.ts
new file mode 100644
index 0000000..bb1ec03
--- /dev/null
+++ b/vscode-language-fidl/src/tool_finder.ts
@@ -0,0 +1,210 @@
+import * as vscode from 'vscode';
+import * as path from 'path';
+import * as fs from 'fs';
+
+export enum FormatToolErrorCause {
+ ToolNotSpecified, ToolNotExecutable, FormatterError
+}
+
+export class FormatToolError extends Error {
+ cause: FormatToolErrorCause;
+ formatterMessage: string | undefined;
+
+ constructor(cause: FormatToolErrorCause) {
+ super();
+ this.cause = cause;
+ }
+}
+
+/**
+ * Finds the Zircon build output directory given a Fuchsia repository root.
+ *
+ * This function derives the correct filesystem path, but it doesn't check to
+ * ensure that the path exists. Callers are responsible for ensuring that the
+ * resulting path exists and has the expected contents.
+ *
+ * @param fuchsiaRoot the filesystem path to the root of the Fuchsia
+ * repository.
+ * @returns the filesystem path to the root of the Zircon build output
+ * directory.
+ */
+function deriveZirconOutPath(fuchsiaRoot: string): string | null {
+ const buildOutputPointer = path.join(fuchsiaRoot, '.fx-build-dir');
+ try {
+ const outputRoot = fs.readFileSync(buildOutputPointer, { encoding: 'utf8' }).trim();
+ return path.join(fuchsiaRoot, outputRoot + '.zircon');
+ } catch (err) {
+ // TODO: proper error handling
+ return null;
+ }
+}
+
+/**
+ * Finds the fidl-format tool given a Zircon output repository root.
+ *
+ * This function derives the correct filesystem path, but it doesn't check to
+ * ensure that the path exists. Callers are responsible for ensuring that the
+ * resulting path exists and has the expected contents.
+ *
+ * @param zirconRoot the filesystem path to the root of the Fuchsia
+ * repository.
+ * @returns the filesystem path to the fidl-format tool.
+ */
+function deriveFidlFormatPath(zirconRoot: string): string | null {
+ return path.join(zirconRoot, 'tools', 'fidl-format');
+}
+
+/**
+ * Attempts to find the fidl-format tool in the current directory, returning
+ * the path to the tool if it's present and executable by the current user.
+ *
+ * @param folderPath The path to the folder to search in.
+ * @returns The path to the fidl-format tool in folderPath or null if the tool can't be found or isn't executable.
+ */
+function findFidlFormatInFolder(folderPath: string): string | null {
+ const zirconRoot = deriveZirconOutPath(folderPath);
+ if (!zirconRoot) {
+ return null;
+ }
+
+ const toolPath = deriveFidlFormatPath(zirconRoot);
+ if (!toolPath) {
+ return null;
+ }
+
+ try {
+ fs.accessSync(toolPath, fs.constants.X_OK);
+ } catch (err) {
+ return null;
+ }
+
+ return toolPath;
+}
+
+/**
+ * Attempts to find the fidl-format tool by asking VS Code to find the root of
+ * the Fuchsia repository.
+ *
+ * @returns the absolute path to fidl-format or null if it couldn't be found.
+ */
+async function guessFidlFormatPathFromWorkspace(): Promise<string | null> {
+ const uris = await vscode.workspace.findFiles('.fx-build-dir', null, 1);
+ if (uris.length < 1) {
+ return null;
+ }
+
+ for (const uri of uris) {
+ if (uri.scheme !== 'file') {
+ // If the repository isn't local, fidl-format won't be runnable
+ // even if present.
+ continue;
+ }
+
+ const basePath = path.dirname(uri.fsPath);
+ const toolPath = findFidlFormatInFolder(basePath);
+ if (toolPath === null) {
+ continue;
+ }
+
+ return toolPath;
+ }
+
+ return null;
+}
+
+/**
+ * Attempts to find the fidl-format tool by traversing the directory tree up
+ * from the root of each workspace folder toward the root of the filesystem.
+ *
+ * @returns the absolute path to fidl-format or null if it couldn't be found.
+ */
+function guessFidlFormatPathFromAncestors(): string | null {
+ const folders = vscode.workspace.workspaceFolders;
+ if (!folders) {
+ return null;
+ }
+
+ for (const folder of folders) {
+ if (folder.uri.scheme !== 'file') {
+ // If the repository isn't local, fidl-format won't be runnable
+ // even if present.
+ continue;
+ }
+
+ let folderPath;
+
+ // Traverse through parent repositories until the direct child of the
+ // root directory.
+ for (folderPath = folder.uri.fsPath;
+ path.dirname(folderPath) !== folderPath;
+ folderPath = path.dirname(folderPath)) {
+
+ const toolPath = findFidlFormatInFolder(folderPath);
+ if (toolPath) {
+ return toolPath;
+ }
+ }
+
+ // Also check the root directory.
+ const toolPath = findFidlFormatInFolder(folderPath);
+ if (toolPath) {
+ return toolPath;
+ }
+ }
+
+ return null;
+}
+
+/**
+ * Gets the fidl-format tool path as configured in VS Code preferences.
+ *
+ * @returns the path to fidl-format as configured by the user, or `null` if the
+ * tool isn't set.
+ */
+export function getFidlFormatToolPathFromPreferences(): string | null {
+ let formatTool: string | undefined | null
+ = vscode.workspace.getConfiguration('fidl').get('formatTool');
+
+ if (formatTool) {
+ try {
+ fs.accessSync(formatTool, fs.constants.X_OK);
+ } catch (err) {
+ throw new FormatToolError(FormatToolErrorCause.ToolNotExecutable);
+ }
+ return formatTool;
+ } else {
+ return null;
+ }
+}
+
+/**
+ * Checks whether the path to fidl-format has been filled out. If the default
+ * value of an empty string is found, an error is shown as a notification.
+ */
+export async function guessFidlFormatToolPath(): Promise<string> {
+ let formatTool: string | undefined | null
+ = getFidlFormatToolPathFromPreferences();
+
+ // Guessing by ancestor is faster than searching a large workspace for the
+ // Fuchsia root, so we try this approach first.
+ if (!formatTool) {
+ formatTool = guessFidlFormatPathFromAncestors();
+ }
+
+ if (!formatTool) {
+ formatTool = await guessFidlFormatPathFromWorkspace();
+ }
+
+ if (!formatTool) {
+ throw new FormatToolError(FormatToolErrorCause.ToolNotSpecified);
+ }
+
+ try {
+ // Throws if tool is not present or not executable.
+ fs.accessSync(formatTool, fs.constants.X_OK);
+ } catch (err) {
+ throw new FormatToolError(FormatToolErrorCause.ToolNotExecutable);
+ }
+
+ return formatTool;
+}
diff --git a/vscode-language-fidl/syntaxes/fidl.tmLanguage.json b/vscode-language-fidl/syntaxes/fidl.tmLanguage.json
new file mode 100644
index 0000000..3810fd1
--- /dev/null
+++ b/vscode-language-fidl/syntaxes/fidl.tmLanguage.json
@@ -0,0 +1,959 @@
+{
+ "$schema": "https://raw.githubusercontent.com/martinring/tmlanguage/master/tmlanguage.json",
+ "name": "FIDL",
+ "scopeName": "source.fidl",
+ "patterns": [
+ {
+ "include": "#comments"
+ },
+ {
+ "name": "meta.library.fidl",
+ "match": "\\b(library)\\b\\s*(@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b(?:\\.@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b)*)\\s*(;)",
+ "captures": {
+ "1": {
+ "name": "keyword.control"
+ },
+ "2": {
+ "name": "entity.name.type"
+ },
+ "3": {
+ "name": "punctuation.terminator"
+ }
+ }
+ },
+ {
+ "name": "meta.library.fidl",
+ "match": "\\b(using)\\b\\s*(@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b(?:\\.@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b)*)\\s*(;)",
+ "captures": {
+ "1": {
+ "name": "keyword.control"
+ },
+ "2": {
+ "name": "entity.name.type"
+ },
+ "3": {
+ "name": "punctuation.terminator"
+ }
+ }
+ },
+ {
+ "name": "meta.library.fidl",
+ "match": "\\b(using)\\b\\s*(@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b(?:\\.@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b)*)\\s*\\b(as)\\b\\s*(@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b)\\s*(;)",
+ "captures": {
+ "1": {
+ "name": "keyword.control"
+ },
+ "2": {
+ "name": "entity.name.type"
+ },
+ "3": {
+ "name": "keyword.control"
+ },
+ "4": {
+ "name": "entity.name.type"
+ },
+ "5": {
+ "name": "punctuation.terminator"
+ }
+ }
+ },
+ {
+ "name": "meta.library.fidl",
+ "match": "\\b(using)\\b\\s*(@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b)\\s*(=)\\s*(?<type-constructor>(?:(\\b(?:bool|float32|float64|int8|int16|int32|int64|uint8|uint16|uint32|uint64)\\b)|(\\bhandle\\b\\s*(?:(<)\\s*\\b(?:bti|channel|debuglog|event|eventpair|fifo|guest|interrupt|job|port|process|profile|resource|socket|thread|timer|vmar|vmo)\\b\\s*(>))?\\s*([?]))|(?:\\b(vector)\\b|\\b(array)\\b|\\b(request)\\b|(\\bstring\\b)|@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b(?:\\.@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b)*)\\s*(?:(<)\\s*\\g<type-constructor>\\s*(>))?\\s*(?:(:)\\s*(?:(-?\\b(?:(?:0(?:x|X)[0-9a-fA-F]*)|(?:0(?:b|B)[01]*)|(?:(?:[0-9]+\\.?[0-9]*)|(?:\\.[0-9]+))(?:(?:e|E)(?:\\+|-)?[0-9]+)?)\\b)|@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b(?:\\.@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b)*))?\\s*(?:([?]))?))\\s*(;)",
+ "captures": {
+ "1": {
+ "name": "keyword.control"
+ },
+ "2": {
+ "name": "entity.name.type"
+ },
+ "3": {
+ "name": "punctuation.separator"
+ },
+ "4": {
+ "name": "entity.name.type"
+ },
+ "5": {
+ "name": "storage.type.basic"
+ },
+ "6": {
+ "name": "storage.type.basic"
+ },
+ "7": {
+ "name": "punctuation.bracket.angle"
+ },
+ "8": {
+ "name": "punctuation.bracket.angle"
+ },
+ "9": {
+ "name": "punctuation.nullable"
+ },
+ "10": {
+ "name": "storage.type.basic"
+ },
+ "11": {
+ "name": "storage.type.basic"
+ },
+ "12": {
+ "name": "storage.type.basic"
+ },
+ "13": {
+ "name": "storage.type.basic"
+ },
+ "14": {
+ "name": "punctuation.bracket.angle"
+ },
+ "15": {
+ "name": "punctuation.bracket.angle"
+ },
+ "16": {
+ "name": "punctuation.separator"
+ },
+ "17": {
+ "name": "constant.numeric"
+ },
+ "18": {
+ "name": "punctuation.nullable"
+ },
+ "19": {
+ "name": "punctuation.terminator"
+ }
+ }
+ },
+ {
+ "name": "meta.const.fidl",
+ "match": "\\b(const)\\b\\s*(?:@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b(?:\\.@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b)*|(\\b(?:bool|float32|float64|int8|int16|int32|int64|uint8|uint16|uint32|uint64)\\b))\\s*(@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b)\\s*(=)\\s*(?:(?:(?:(-?\\b(?:(?:0(?:x|X)[0-9a-fA-F]*)|(?:0(?:b|B)[01]*)|(?:(?:[0-9]+\\.?[0-9]*)|(?:\\.[0-9]+))(?:(?:e|E)(?:\\+|-)?[0-9]+)?)\\b)|(\\b(?:true|false)\\b)|(\"(?:[^\\\"]|\\.)*\"))|@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b(?:\\.@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b)*)|(?:(-?\\b(?:(?:0(?:x|X)[0-9a-fA-F]*)|(?:0(?:b|B)[01]*)|(?:(?:[0-9]+\\.?[0-9]*)|(?:\\.[0-9]+))(?:(?:e|E)(?:\\+|-)?[0-9]+)?)\\b)|@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b(?:\\.@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b)*))\\s*(;)",
+ "captures": {
+ "1": {
+ "name": "keyword.control"
+ },
+ "2": {
+ "name": "storage.type.basic"
+ },
+ "3": {
+ "name": "variable.constant"
+ },
+ "4": {
+ "name": "punctuation.separator"
+ },
+ "5": {
+ "name": "constant.numeric"
+ },
+ "6": {
+ "name": "constant.language"
+ },
+ "7": {
+ "name": "string.quoted.double"
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+ "match": "(-?\\b(?:(?:0(?:x|X)[0-9a-fA-F]*)|(?:0(?:b|B)[01]*)|(?:(?:[0-9]+\\.?[0-9]*)|(?:\\.[0-9]+))(?:(?:e|E)(?:\\+|-)?[0-9]+)?)\\b)\\s*(:)\\s*(?<type-constructor>(?:(\\b(?:bool|float32|float64|int8|int16|int32|int64|uint8|uint16|uint32|uint64)\\b)|(\\bhandle\\b\\s*(?:(<)\\s*\\b(?:bti|channel|debuglog|event|eventpair|fifo|guest|interrupt|job|port|process|profile|resource|socket|thread|timer|vmar|vmo)\\b\\s*(>))?\\s*([?]))|(?:\\b(vector)\\b|\\b(array)\\b|\\b(request)\\b|(\\bstring\\b)|@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b(?:\\.@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b)*)\\s*(?:(<)\\s*\\g<type-constructor>\\s*(>))?\\s*(?:(:)\\s*(?:(-?\\b(?:(?:0(?:x|X)[0-9a-fA-F]*)|(?:0(?:b|B)[01]*)|(?:(?:[0-9]+\\.?[0-9]*)|(?:\\.[0-9]+))(?:(?:e|E)(?:\\+|-)?[0-9]+)?)\\b)|@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b(?:\\.@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b)*))?\\s*(?:([?]))?))\\s*(@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b)\\s*(;)",
+ "captures": {
+ "1": {
+ "name": "constant.numeric"
+ },
+ "2": {
+ "name": "punctuation.separator"
+ },
+ "3": {
+ "name": "entity.name.type"
+ },
+ "4": {
+ "name": "storage.type.basic"
+ },
+ "5": {
+ "name": "storage.type.basic"
+ },
+ "6": {
+ "name": "punctuation.bracket.angle"
+ },
+ "7": {
+ "name": "punctuation.bracket.angle"
+ },
+ "8": {
+ "name": "punctuation.nullable"
+ },
+ "9": {
+ "name": "storage.type.basic"
+ },
+ "10": {
+ "name": "storage.type.basic"
+ },
+ "11": {
+ "name": "storage.type.basic"
+ },
+ "12": {
+ "name": "storage.type.basic"
+ },
+ "13": {
+ "name": "punctuation.bracket.angle"
+ },
+ "14": {
+ "name": "punctuation.bracket.angle"
+ },
+ "15": {
+ "name": "punctuation.separator"
+ },
+ "16": {
+ "name": "constant.numeric"
+ },
+ "17": {
+ "name": "punctuation.nullable"
+ },
+ "18": {
+ "name": "variable"
+ },
+ "19": {
+ "name": "punctuation.terminator"
+ }
+ }
+ },
+ {
+ "name": "meta.table.reserved.fidl",
+ "match": "(-?\\b(?:(?:0(?:x|X)[0-9a-fA-F]*)|(?:0(?:b|B)[01]*)|(?:(?:[0-9]+\\.?[0-9]*)|(?:\\.[0-9]+))(?:(?:e|E)(?:\\+|-)?[0-9]+)?)\\b)\\s*(:)\\s*\\b(reserved)\\b\\s*(;)",
+ "captures": {
+ "1": {
+ "name": "constant.numeric"
+ },
+ "2": {
+ "name": "punctuation.separator"
+ },
+ "3": {
+ "name": "keyword.control"
+ },
+ "4": {
+ "name": "punctuation.terminator"
+ }
+ }
+ }
+ ]
+ },
+ "union-member": {
+ "patterns": [
+ {
+ "name": "meta.union.member.fidl",
+ "match": "(-?\\b(?:(?:0(?:x|X)[0-9a-fA-F]*)|(?:0(?:b|B)[01]*)|(?:(?:[0-9]+\\.?[0-9]*)|(?:\\.[0-9]+))(?:(?:e|E)(?:\\+|-)?[0-9]+)?)\\b)\\s*(:)\\s*(?<type-constructor>(?:(\\b(?:bool|float32|float64|int8|int16|int32|int64|uint8|uint16|uint32|uint64)\\b)|(\\bhandle\\b\\s*(?:(<)\\s*\\b(?:bti|channel|debuglog|event|eventpair|fifo|guest|interrupt|job|port|process|profile|resource|socket|thread|timer|vmar|vmo)\\b\\s*(>))?\\s*([?]))|(?:\\b(vector)\\b|\\b(array)\\b|\\b(request)\\b|(\\bstring\\b)|@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b(?:\\.@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b)*)\\s*(?:(<)\\s*\\g<type-constructor>\\s*(>))?\\s*(?:(:)\\s*(?:(-?\\b(?:(?:0(?:x|X)[0-9a-fA-F]*)|(?:0(?:b|B)[01]*)|(?:(?:[0-9]+\\.?[0-9]*)|(?:\\.[0-9]+))(?:(?:e|E)(?:\\+|-)?[0-9]+)?)\\b)|@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b(?:\\.@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b)*))?\\s*(?:([?]))?))\\s*(@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b)\\s*(;)",
+ "captures": {
+ "1": {
+ "name": "constant.numeric"
+ },
+ "2": {
+ "name": "punctuation.separator"
+ },
+ "3": {
+ "name": "entity.name.type"
+ },
+ "4": {
+ "name": "storage.type.basic"
+ },
+ "5": {
+ "name": "storage.type.basic"
+ },
+ "6": {
+ "name": "punctuation.bracket.angle"
+ },
+ "7": {
+ "name": "punctuation.bracket.angle"
+ },
+ "8": {
+ "name": "punctuation.nullable"
+ },
+ "9": {
+ "name": "storage.type.basic"
+ },
+ "10": {
+ "name": "storage.type.basic"
+ },
+ "11": {
+ "name": "storage.type.basic"
+ },
+ "12": {
+ "name": "storage.type.basic"
+ },
+ "13": {
+ "name": "punctuation.bracket.angle"
+ },
+ "14": {
+ "name": "punctuation.bracket.angle"
+ },
+ "15": {
+ "name": "punctuation.separator"
+ },
+ "16": {
+ "name": "constant.numeric"
+ },
+ "17": {
+ "name": "punctuation.nullable"
+ },
+ "18": {
+ "name": "variable"
+ },
+ "19": {
+ "name": "punctuation.terminator"
+ }
+ }
+ },
+ {
+ "name": "meta.union.member.reserved.fidl",
+ "match": "(-?\\b(?:(?:0(?:x|X)[0-9a-fA-F]*)|(?:0(?:b|B)[01]*)|(?:(?:[0-9]+\\.?[0-9]*)|(?:\\.[0-9]+))(?:(?:e|E)(?:\\+|-)?[0-9]+)?)\\b)\\s*(:)\\s*\\b(reserved)\\b\\s*(;)",
+ "captures": {
+ "1": {
+ "name": "constant.numeric"
+ },
+ "2": {
+ "name": "punctuation.separator"
+ },
+ "3": {
+ "name": "keyword.control"
+ },
+ "4": {
+ "name": "punctuation.terminator"
+ }
+ }
+ }
+ ]
+ },
+ "attributes": {
+ "patterns": []
+ }
+ }
+}
diff --git a/vscode-language-fidl/tools/generate-syntax.ts b/vscode-language-fidl/tools/generate-syntax.ts
new file mode 100644
index 0000000..5677ef8
--- /dev/null
+++ b/vscode-language-fidl/tools/generate-syntax.ts
@@ -0,0 +1,559 @@
+// Copyright 2018 The Fuchsia Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// This generates a language definition file because writing it by hand is too hard.
+
+import { OnigRegExp } from "oniguruma";
+
+// Format of language definition JSON
+const tmSchema =
+ "https://raw.githubusercontent.com/martinring/tmlanguage/master/tmlanguage.json";
+type TmCaptures = { [k: string]: { name: string } };
+type TmIncludePattern = { include: string };
+type TmMatchPattern = {
+ name?: string;
+ match: string;
+ captures?: TmCaptures;
+};
+type TmBlockPattern = {
+ name?: string;
+ begin: string;
+ beginCaptures?: TmCaptures;
+ end: string;
+ endCaptures?: TmCaptures;
+ patterns: TmPattern[];
+};
+type TmPattern = TmIncludePattern | TmMatchPattern | TmBlockPattern;
+type TmLanguage = {
+ $schema: string;
+ name: string;
+ scopeName: string;
+ patterns: TmPattern[];
+ repository: {
+ [key: string]: { patterns: TmPattern[] };
+ };
+};
+
+class NamedPattern {
+ readonly re: string;
+ readonly names: string[];
+ constructor(re: string, names?: string[]) {
+ this.re = re;
+ this.names = names || [];
+ // Hack to only validate if there are no unresolved recursive groups
+ const recursive_re = /\\g<(.*?)>/g;
+ let match;
+ while ((match = recursive_re.exec(re)) !== null) {
+ if (!re.includes(`(?<${match[1]}>`)) {
+ // Group definition not found, can't validate yet.
+ return;
+ }
+ }
+ this.validate();
+ }
+
+ validate() {
+ const num_groups = new OnigRegExp(this.re + "|").searchSync("")!.length - 1;
+ if (num_groups !== this.names.length) {
+ throw new Error(
+ `Found ${num_groups} but expected ${this.names.length} groups in ${
+ this.re
+ }`
+ );
+ }
+ }
+
+ toString() {
+ return this.re;
+ }
+
+ assert(s: string) {
+ const re = new OnigRegExp(this.re);
+ const m = re.searchSync(s);
+ if (!m) {
+ throw Error(
+ `${JSON.stringify(s)} did not match pattern ${JSON.stringify(this.re)}`
+ );
+ }
+ const c = m[0];
+ if (c.index !== 0 || c.start !== 0 || c.length !== s.length) {
+ throw Error(
+ `${JSON.stringify(s)} did not fully match pattern ${JSON.stringify(
+ this.re
+ )}, only matched ${JSON.stringify(m[0])}`
+ );
+ }
+ }
+}
+
+function _captures(pattern: Pattern): TmCaptures {
+ const captures: { [k: string]: { name: string } } = {};
+ const names = _names(pattern);
+ for (let i = 0; i < names.length; i++) {
+ captures[`${i + 1}`] = { name: names[i] };
+ }
+ return captures;
+}
+
+function include(name: string): TmIncludePattern {
+ return { include: `#${name}` };
+}
+
+function match(name: string, pat: Pattern): TmMatchPattern {
+ return {
+ name: `${name}.fidl`,
+ match: pat.toString(),
+ captures: _captures(pat)
+ };
+}
+
+function anonMatch(pattern: Pattern | TmPattern): TmPattern {
+ if (pattern instanceof String) {
+ return {
+ match: pattern.toString()
+ };
+ }
+ if (pattern instanceof NamedPattern) {
+ return {
+ match: pattern.toString(),
+ captures: _captures(pattern)
+ };
+ }
+ return pattern;
+}
+
+function block(args: {
+ name: string;
+ begin: Pattern;
+ end: Pattern;
+ patterns: Array<Pattern | TmPattern>;
+}): TmBlockPattern {
+ const tmPatterns: TmPattern[] = args.patterns.map(anonMatch);
+ return {
+ name: `${args.name}.fidl`,
+ begin: args.begin.toString(),
+ beginCaptures: _captures(args.begin),
+ end: args.end.toString(),
+ endCaptures: _captures(args.end),
+ patterns: tmPatterns
+ };
+}
+
+type Pattern = NamedPattern | String;
+
+/** Return names of the groups in the pattern. */
+function _names(pat: Pattern | Pattern[]): string[] {
+ if (pat instanceof Array) {
+ return pat.map(_names).reduce((prev, names) => [...(prev || []), ...names]);
+ }
+ if (pat instanceof NamedPattern) {
+ return pat.names;
+ } else {
+ return [];
+ }
+}
+
+function _join(
+ pats: Pattern[],
+ prefix: string,
+ separator: string,
+ suffix: string
+): NamedPattern {
+ const re = pats.map(p => p.toString()).join(separator);
+ return new NamedPattern(prefix + re + suffix, _names(pats));
+}
+
+/**
+ * Create a new pattern consisting of adjacent input patterns optionally separated by whitespace.
+ * @param pats Patterns
+ */
+function seq(...pats: Pattern[]): NamedPattern {
+ return _join(pats, "", "\\s*", "");
+}
+
+function one_of(...pats: Pattern[]): NamedPattern {
+ return _join(pats, "(?:", "|", ")");
+}
+
+function one_of_words(...words: string[]) {
+ return word(one_of(...words));
+}
+
+function optional(pat: Pattern): NamedPattern {
+ return new NamedPattern(`(?:${pat})?`, _names(pat));
+}
+
+function word(word: Pattern): NamedPattern {
+ return new NamedPattern(`\\b${word}\\b`, _names(word));
+}
+
+function named(pat: Pattern, name: string) {
+ return new NamedPattern(`(${pat})`, [name, ..._names(pat)]);
+}
+
+function recursive_group(
+ context_name: string,
+ group_name: string,
+ body: Pattern
+): NamedPattern {
+ return new NamedPattern(`(?<${group_name}>${body})`, [
+ context_name,
+ ..._names(body)
+ ]);
+}
+
+function recursive_group_reference(group_name: string): Pattern {
+ return String.raw`\g<${group_name}>`;
+}
+
+const NUMERIC_LITERAL = named(
+ "-?\\b(?:(?:0(?:x|X)[0-9a-fA-F]*)|(?:0(?:b|B)[01]*)|(?:(?:[0-9]+\\.?[0-9]*)|(?:\\.[0-9]+))(?:(?:e|E)(?:\\+|-)?[0-9]+)?)\\b",
+ "constant.numeric"
+);
+const BOOLEAN_LITERAL = named(
+ one_of_words("true", "false"),
+ "constant.language"
+);
+const STRING_LITERAL = named('"(?:[^\\"]|\\.)*"', "string.quoted.double");
+const LITERAL = one_of(NUMERIC_LITERAL, BOOLEAN_LITERAL, STRING_LITERAL);
+
+const IDENTIFIER = "@?\\b[a-zA-Z_][0-9a-zA-Z_]*\\b";
+const COMPOUND_IDENTIFIER = new NamedPattern(
+ `${IDENTIFIER}(?:\\.${IDENTIFIER})*`
+);
+
+const CONSTANT = one_of(LITERAL, COMPOUND_IDENTIFIER);
+const NUMERIC_CONSTANT = one_of(NUMERIC_LITERAL, COMPOUND_IDENTIFIER);
+
+const NULLABLE = named("[?]", "punctuation.nullable");
+
+function nullable(pat: Pattern): Pattern {
+ return seq(pat, NULLABLE);
+}
+
+function angle_brackets(contents: Pattern) {
+ const scope = "punctuation.bracket.angle";
+ return seq(named("<", scope), contents, named(">", scope));
+}
+
+function keyword(keyword: string, name: string = "keyword.control") {
+ return word(named(keyword, name));
+}
+
+function type_keyword(type_name: string) {
+ return keyword(type_name, "storage.type.basic");
+}
+
+function separator(sep: string) {
+ return named(sep, "punctuation.separator");
+}
+
+const primitive_types = [
+ "bool",
+ "float32",
+ "float64",
+ "int8",
+ "int16",
+ "int32",
+ "int64",
+ "uint8",
+ "uint16",
+ "uint32",
+ "uint64"
+];
+const handle_types = [
+ "bti",
+ "channel",
+ "debuglog",
+ "event",
+ "eventpair",
+ "fifo",
+ "guest",
+ "interrupt",
+ "job",
+ "port",
+ "process",
+ "profile",
+ "resource",
+ "socket",
+ "thread",
+ "timer",
+ "vmar",
+ "vmo"
+];
+const PRIMITIVE_TYPE = named(
+ one_of_words(...primitive_types),
+ "storage.type.basic"
+);
+const HANDLE_TYPE = named(
+ nullable(
+ seq(word("handle"), optional(angle_brackets(one_of_words(...handle_types))))
+ ),
+ "storage.type.basic"
+);
+const EOL = new NamedPattern("(;)", ["punctuation.terminator"]);
+const LIBRARY_NAME = named(COMPOUND_IDENTIFIER, "entity.name.type");
+const LOCAL_TYPE = named(IDENTIFIER, "entity.name.type");
+const VARIABLE = named(IDENTIFIER, "variable");
+
+const LOOKAHEAD_IDENTIFIER = "(?=[a-zA-Z_@])";
+
+const ATTRIBUTE = seq(
+ named(IDENTIFIER, "support.variable"),
+ optional(seq("=", STRING_LITERAL))
+);
+
+const ATTRIBUTES = block({
+ name: "meta.attrbutes",
+ begin: String.raw`\[`,
+ end: String.raw`\]`,
+ patterns: [ATTRIBUTE]
+});
+
+const TYPE_CONSTRAINT = seq(
+ separator(":"),
+ one_of(NUMERIC_LITERAL, COMPOUND_IDENTIFIER)
+);
+
+const TYPE_CONSTRUCTOR = recursive_group(
+ "entity.name.type",
+ "type-constructor",
+ seq(
+ one_of(
+ PRIMITIVE_TYPE,
+ HANDLE_TYPE,
+ seq(
+ one_of(
+ type_keyword("vector"),
+ type_keyword("array"),
+ type_keyword("request"),
+ named(word("string"), "storage.type.basic"),
+ COMPOUND_IDENTIFIER
+ ),
+ optional(angle_brackets(recursive_group_reference("type-constructor"))),
+ optional(TYPE_CONSTRAINT),
+ optional(NULLABLE)
+ )
+ )
+ )
+);
+
+// Checks
+
+COMPOUND_IDENTIFIER.assert("foo");
+COMPOUND_IDENTIFIER.assert("foo_bar");
+COMPOUND_IDENTIFIER.assert("foo.bar.baz");
+
+TYPE_CONSTRUCTOR.assert("string");
+TYPE_CONSTRUCTOR.assert("string?");
+TYPE_CONSTRUCTOR.assert("string:2");
+TYPE_CONSTRUCTOR.assert("string:MAX_LEN");
+TYPE_CONSTRUCTOR.assert("string:2?");
+TYPE_CONSTRUCTOR.assert("string:MAX_LEN?");
+
+NUMERIC_LITERAL.assert("-42");
+NUMERIC_LITERAL.assert("0x12345deadbeef");
+NUMERIC_LITERAL.assert("0b101110");
+
+TYPE_CONSTRUCTOR.assert("handle");
+TYPE_CONSTRUCTOR.assert("handle?");
+TYPE_CONSTRUCTOR.assert("handle<socket>");
+TYPE_CONSTRUCTOR.assert("handle<debuglog>?");
+
+TYPE_CONSTRUCTOR.assert("foo.bar.myvectoralias<uint8>:8");
+
+// TODO: support attributes
+const tmLanguage: TmLanguage = {
+ $schema: tmSchema,
+ name: "FIDL",
+ scopeName: "source.fidl",
+ patterns: [
+ include("comments"),
+
+ // Library declaration
+ match("meta.library", seq(keyword("library"), LIBRARY_NAME, EOL)),
+
+ // Variations of using
+ match("meta.library", seq(keyword("using"), LIBRARY_NAME, EOL)),
+ match(
+ "meta.library",
+ seq(keyword("using"), LIBRARY_NAME, keyword("as"), LOCAL_TYPE, EOL)
+ ),
+ match(
+ "meta.library",
+ seq(keyword("using"), LOCAL_TYPE, separator("="), TYPE_CONSTRUCTOR, EOL)
+ ),
+
+ // Const declaration
+ match(
+ "meta.const",
+ seq(
+ keyword("const"),
+ one_of(COMPOUND_IDENTIFIER, PRIMITIVE_TYPE),
+ named(IDENTIFIER, "variable.constant"),
+ separator("="),
+ one_of(CONSTANT, NUMERIC_CONSTANT),
+ EOL
+ )
+ ),
+
+ // Protocols
+ block({
+ name: "meta.protocol-block",
+ begin: seq(keyword("protocol"), LOCAL_TYPE, "{"),
+ end: "}",
+ patterns: [
+ ATTRIBUTES,
+ seq(keyword("compose"), named(COMPOUND_IDENTIFIER, "entity.name.type")),
+ include("method"),
+ include("comments")
+ ]
+ }),
+
+ // Enums
+ block({
+ name: "meta.enum-block",
+ begin: seq(
+ keyword("enum"),
+ LOCAL_TYPE,
+ optional(seq(separator(":"), TYPE_CONSTRUCTOR)),
+ "{"
+ ),
+ end: "}",
+ patterns: [include("enum-member"), include("comments")]
+ }),
+
+ // Bits
+ block({
+ name: "meta.bits-block",
+ begin: seq(
+ keyword("bits"),
+ LOCAL_TYPE,
+ optional(seq(separator(":"), TYPE_CONSTRUCTOR)),
+ "{"
+ ),
+ end: "}",
+ patterns: [include("enum-member"), include("comments")]
+ }),
+
+ // Struct
+ block({
+ name: "meta.struct-block",
+ begin: seq(keyword("struct"), LOCAL_TYPE, "{"),
+ end: "}",
+ patterns: [include("struct-member"), include("comments")]
+ }),
+
+ // Table
+ block({
+ name: "meta.table-block",
+ begin: seq(keyword("table"), LOCAL_TYPE, "{"),
+ end: "}",
+ patterns: [include("table-member"), include("comments")]
+ }),
+
+ // Union and XUnion
+ block({
+ name: "meta.union-block",
+ begin: seq(one_of(keyword("union"), keyword("xunion")), LOCAL_TYPE, "{"),
+ end: "}",
+ patterns: [include("union-member"), include("comments")]
+ })
+ ],
+ repository: {
+ comments: {
+ patterns: [
+ match("invalid.illegal.stray-comment-end", "\\*/.*\\n"),
+ match("comment.line.documentation", "///.*\\n"),
+ match("comment.line.double-slash", "//.*\\n")
+ ]
+ },
+ method: {
+ patterns: [
+ block({
+ name: "meta.method",
+ begin: seq(named(IDENTIFIER, "entity.name.function")),
+ end: seq(optional(seq(keyword("error"), TYPE_CONSTRUCTOR)), EOL),
+ patterns: [include("method-arguments"), separator("->")]
+ }),
+ block({
+ name: "meta.method.event",
+ begin: seq(
+ separator("->"),
+ named(IDENTIFIER, "entity.name.function"),
+ "[(]"
+ ),
+ end: seq("[)]", EOL),
+ patterns: [include("method-argument")]
+ })
+ ]
+ },
+ "method-arguments": {
+ patterns: [
+ block({
+ name: "meta.method.arguments",
+ begin: "\\(",
+ end: "\\)",
+ patterns: [include("method-argument")]
+ })
+ ]
+ },
+ "method-argument": {
+ patterns: [
+ block({
+ name: "meta.method.argument",
+ begin: LOOKAHEAD_IDENTIFIER,
+ end: seq(named(IDENTIFIER, "variable.name"), "(?:(?:,)|(?=\\)))"),
+ patterns: [TYPE_CONSTRUCTOR, named(IDENTIFIER, "variable.parameter")]
+ })
+ ]
+ },
+ "enum-member": {
+ patterns: [
+ match(
+ "meta.enum.member",
+ seq(VARIABLE, separator("="), NUMERIC_CONSTANT, EOL)
+ )
+ ]
+ },
+ "struct-member": {
+ patterns: [
+ match("meta.struct.member", seq(TYPE_CONSTRUCTOR, VARIABLE, EOL)),
+ match(
+ "meta.struct.member",
+ seq(TYPE_CONSTRUCTOR, VARIABLE, separator("="), CONSTANT, EOL)
+ )
+ ]
+ },
+ "table-member": {
+ patterns: [
+ match(
+ "meta.table.member",
+ seq(NUMERIC_LITERAL, separator(":"), TYPE_CONSTRUCTOR, VARIABLE, EOL)
+ ),
+ match(
+ "meta.table.reserved",
+ seq(NUMERIC_LITERAL, separator(":"), keyword("reserved"), EOL)
+ )
+ ]
+ },
+ "union-member": {
+ patterns: [
+ match(
+ "meta.union.member",
+ seq(NUMERIC_LITERAL, separator(":"), TYPE_CONSTRUCTOR, VARIABLE, EOL)
+ ),
+ match(
+ "meta.union.member.reserved",
+ seq(NUMERIC_LITERAL, separator(":"), keyword("reserved"), EOL)
+ )
+ ]
+ },
+ attributes: {
+ patterns: []
+ }
+ }
+};
+
+console.log(JSON.stringify(tmLanguage, null, " "));
diff --git a/vscode-language-fidl/tsconfig.json b/vscode-language-fidl/tsconfig.json
new file mode 100644
index 0000000..e7d2872
--- /dev/null
+++ b/vscode-language-fidl/tsconfig.json
@@ -0,0 +1,25 @@
+{
+ "compilerOptions": {
+ "module": "commonjs",
+ "target": "es6",
+ "outDir": "out",
+ "lib": [
+ "es6"
+ ],
+ "sourceMap": true,
+ "rootDir": "src",
+ /* Strict Type-Checking Option */
+ "strict": true, /* enable all strict type-checking options */
+ /* Additional Checks */
+ "noUnusedLocals": true /* Report errors on unused locals. */
+ // "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */
+ // "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */
+ // "noUnusedParameters": true, /* Report errors on unused parameters. */
+ },
+ "exclude": [
+ "node_modules",
+ ".vscode-test",
+ "tools",
+ "test"
+ ]
+}
diff --git a/vscode-language-fidl/tslint.json b/vscode-language-fidl/tslint.json
new file mode 100644
index 0000000..c791efd
--- /dev/null
+++ b/vscode-language-fidl/tslint.json
@@ -0,0 +1,15 @@
+{
+ "rules": {
+ "no-string-throw": true,
+ "no-unused-expression": true,
+ "no-duplicate-variable": true,
+ "curly": true,
+ "class-name": true,
+ "semicolon": [
+ true,
+ "always"
+ ],
+ "triple-equals": true
+ },
+ "defaultSeverity": "warning"
+}
\ No newline at end of file
