Support Visual C++ and Windows well

This commit adds support for hosting on windows, as well as better
support for the Visual C++ compiler. Specific interesting changes are:

  - switch from /FAsc to /FA
  - order functions in file order
  - support demangling win32-style identifiers with undname
  - clang++ and vc++ on win32 host are both supported

1 files changed, 62 insertions, 0 deletions

diff --git a/lib/compilers/win32.js b/lib/compilers/win32.js
new file mode 100644
index 000000000..73612efe5
--- /dev/null
+++ b/lib/compilers/win32.js
@@ -0,0 +1,62 @@
+// Copyright (c) 2018, Microsoft Corporation
+// 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.
+
+const BaseCompiler = require('../base-compiler'),
+    temp = require('temp');
+
+class Win32Compiler extends BaseCompiler {
+    newTempDir() {
+        return new Promise((resolve, reject) => {
+            temp.mkdir({prefix: 'compiler-explorer-compiler', dir: process.env.TMP}, (err, dirPath) => {
+                if (err)
+                    reject(`Unable to open temp file: ${err}`);
+                else
+                    resolve(dirPath);
+            });
+        });
+    }
+
+    supportsObjdump() {
+        return false;
+    }
+
+    exec(compiler, args, options_) {
+        let options = Object.assign({}, options_);
+        options.env = Object.assign({}, options.env);
+
+        const setEnvVar = function (name, newVar) {
+            if (newVar) {
+                const oldVar = options.env[name] ? options.env[name] : "";
+                options.env[name] = newVar + oldVar;
+            }
+        };
+
+        setEnvVar('INCLUDE', this.compiler.includePath);
+        setEnvVar('LIB', this.compiler.libPath);
+
+        return super.exec(compiler, args, options);
+    }
+}
+
+module.exports = Win32Compiler;