installed pty

[VSoRC/.git] / node_modules / node-pty / deps / winpty / src / shared / WinptyAssert.h

diff --git a/node_modules/node-pty/deps/winpty/src/shared/WinptyAssert.h b/node_modules/node-pty/deps/winpty/src/shared/WinptyAssert.h
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+// Copyright (c) 2011-2016 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.
+
+#ifndef WINPTY_ASSERT_H
+#define WINPTY_ASSERT_H
+
+#ifdef WINPTY_AGENT_ASSERT
+
+void agentShutdown();
+void agentAssertFail(const char *file, int line, const char *cond);
+
+// Calling the standard assert() function does not work in the agent because
+// the error message would be printed to the console, and the only way the
+// user can see the console is via a working agent!  Moreover, the console may
+// be frozen, so attempting to write to it would block forever.  This custom
+// assert function instead sends the message to the DebugServer, then attempts
+// to close the console, then quietly exits.
+#define ASSERT(cond) \
+    do {                                                    \
+        if (!(cond)) {                                      \
+            agentAssertFail(__FILE__, __LINE__, #cond);     \
+        }                                                   \
+    } while(0)
+
+#else
+
+void assertTrace(const char *file, int line, const char *cond);
+
+// In the other targets, log the assert failure to the debugserver, then fail
+// using the ordinary assert mechanism.  In case assert is compiled out, fail
+// using abort.  The amount of code inlined is unfortunate, but asserts aren't
+// used much outside the agent.
+#include <assert.h>
+#include <stdlib.h>
+#define ASSERT_CONDITION(cond) (false && (cond))
+#define ASSERT(cond) \
+    do {                                            \
+        if (!(cond)) {                              \
+            assertTrace(__FILE__, __LINE__, #cond); \
+            assert(ASSERT_CONDITION(#cond));        \
+            abort();                                \
+        }                                           \
+    } while(0)
+
+#endif
+
+#endif // WINPTY_ASSERT_H