1 files changed, 99 insertions, 0 deletions
diff --git a/lib/tooling/clang-tidy-tool.ts b/lib/tooling/clang-tidy-tool.ts
new file mode 100644
index 000000000..1fb51d2c4
--- /dev/null
+++ b/lib/tooling/clang-tidy-tool.ts
@@ -0,0 +1,99 @@
+// Copyright (c) 2018, Compiler Explorer 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.
+//
+// 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 HOLDER 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.
+
+import path from 'path';
+
+import fs from 'fs-extra';
+
+import {Library} from '../../types/libraries/libraries.interfaces';
+import * as utils from '../utils';
+
+import {BaseTool} from './base-tool';
+
+export class ClangTidyTool extends BaseTool {
+    static get key() {
+        return 'clang-tidy-tool';
+    }
+
+    constructor(toolInfo, env) {
+        super(toolInfo, env);
+
+        this.addOptionsToToolArgs = false;
+    }
+
+    override async runTool(
+        compilationInfo: Record<any, any>,
+        inputFilepath: string,
+        args?: string[],
+        stdin?: string,
+        supportedLibraries?: Record<string, Library>,
+    ) {
+        const sourcefile = inputFilepath;
+        const options = compilationInfo.options;
+        const dir = path.dirname(sourcefile);
+        const includeflags = super.getIncludeArguments(compilationInfo.libraries, supportedLibraries || {});
+        const libOptions = super.getLibraryOptions(compilationInfo.libraries, supportedLibraries || {});
+
+        let source = '';
+        args = args || [];
+        const wantsFix = args.find(option => option.includes('-fix'));
+        if (wantsFix) {
+            args = args.filter(option => !option.includes('-header-filter='));
+
+            const data = await fs.readFile(sourcefile);
+            source = data.toString();
+        }
+
+        // order should be:
+        //  1) options from the compiler config (compilationInfo.compiler.options)
+        //  2) includes from the libraries (includeflags)
+        //  ?) options from the tool config (this.tool.options)
+        //     -> before my patchup this was done only for non-clang compilers
+        //  3) options manually specified in the compiler tab (options)
+        //  *) indepenent are `args` from the clang-tidy tab
+        let compileFlags = utils.splitArguments(compilationInfo.compiler.options);
+        compileFlags = compileFlags.concat(includeflags);
+        compileFlags = compileFlags.concat(libOptions);
+
+        const manualCompileFlags = options.filter(option => option !== sourcefile);
+        compileFlags = compileFlags.concat(manualCompileFlags);
+        compileFlags = compileFlags.concat(this.tool.options);
+
+        // TODO: do we want compile_flags.txt rather than prefixing everything with -extra-arg=
+        await fs.writeFile(path.join(dir, 'compile_flags.txt'), compileFlags.join('\n'));
+        const result = await super.runTool(compilationInfo, sourcefile, args);
+        result.sourcechanged = false;
+
+        if (wantsFix) {
+            const data = await fs.readFile(sourcefile);
+            const newSource = data.toString();
+            if (newSource !== source) {
+                result.sourcechanged = true;
+                result.newsource = newSource;
+            }
+        }
+
+        return result;
+    }
+}