installed pty

[VSoRC/.git] / node_modules / node-pty / deps / winpty / src / shared / WinptyException.cc

diff --git a/node_modules/node-pty/deps/winpty/src/shared/WinptyException.cc b/node_modules/node-pty/deps/winpty/src/shared/WinptyException.cc
new file mode 100644 (file)
index 0000000..d0d4882
--- /dev/null
+++ b/node_modules/node-pty/deps/winpty/src/shared/WinptyException.cc
@@ -0,0 +1,57 @@
+// Copyright (c) 2016 Ryan Prichard
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+
+#include "WinptyException.h"
+
+#include <memory>
+#include <string>
+
+#include "StringBuilder.h"
+
+namespace {
+
+class ExceptionImpl : public WinptyException {
+public:
+    ExceptionImpl(const wchar_t *what) :
+        m_what(std::make_shared<std::wstring>(what)) {}
+    virtual const wchar_t *what() const WINPTY_NOEXCEPT override {
+        return m_what->c_str();
+    }
+private:
+    // Using a shared_ptr ensures that copying the object raises no exception.
+    std::shared_ptr<std::wstring> m_what;
+};
+
+} // anonymous namespace
+
+void throwWinptyException(const wchar_t *what) {
+    throw ExceptionImpl(what);
+}
+
+void throwWindowsError(const wchar_t *prefix, DWORD errorCode) {
+    WStringBuilder sb(64);
+    if (prefix != nullptr) {
+        sb << prefix << L": ";
+    }
+    // It might make sense to use FormatMessage here, but IIRC, its API is hard
+    // to figure out.
+    sb << L"Windows error " << errorCode;
+    throwWinptyException(sb.c_str());
+}