libcxx initial import

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/stdexcept b/include/stdexcept
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--- /dev/null
+++ b/include/stdexcept
@@ -0,0 +1,161 @@
+// -*- C++ -*-
+//===--------------------------- stdexcept --------------------------------===//
+//
+// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_STDEXCEPT
+#define _LIBCPP_STDEXCEPT
+
+/*
+    stdexcept synopsis
+
+namespace std
+{
+
+class logic_error;
+    class domain_error;
+    class invalid_argument;
+    class length_error;
+    class out_of_range;
+class runtime_error;
+    class range_error;
+    class overflow_error;
+    class underflow_error;
+
+for each class xxx_error:
+
+class xxx_error : public exception // at least indirectly
+{
+public:
+    explicit xxx_error(const string& what_arg);
+    explicit xxx_error(const char*   what_arg);  // extension
+
+    virtual const char* what() const // returns what_arg
+};
+
+}  // std
+
+*/
+
+#include <__config>
+#include <exception>
+#include <iosfwd>  // for string forward decl
+
+#pragma GCC system_header
+
+namespace std  // purposefully not using versioning namespace
+{
+
+class _LIBCPP_EXCEPTION_ABI logic_error
+    : public exception
+{
+private:
+    void* __imp_;
+public:
+    explicit logic_error(const string&);
+    explicit logic_error(const char*);
+
+    logic_error(const logic_error&) throw();
+    logic_error& operator=(const logic_error&) throw();
+
+    virtual ~logic_error() throw();
+
+    virtual const char* what() const throw();
+};
+
+class _LIBCPP_EXCEPTION_ABI runtime_error
+    : public exception
+{
+private:
+    void* __imp_;
+public:
+    explicit runtime_error(const string&);
+    explicit runtime_error(const char*);
+
+    runtime_error(const runtime_error&) throw();
+    runtime_error& operator=(const runtime_error&) throw();
+
+    virtual ~runtime_error() throw();
+
+    virtual const char* what() const throw();
+};
+
+class _LIBCPP_EXCEPTION_ABI domain_error
+    : public logic_error
+{
+public:
+    _LIBCPP_INLINE_VISIBILITY explicit domain_error(const string& __s) : logic_error(__s) {}
+    _LIBCPP_INLINE_VISIBILITY explicit domain_error(const char* __s)   : logic_error(__s) {}
+
+    virtual ~domain_error() throw();
+};
+
+class _LIBCPP_EXCEPTION_ABI invalid_argument
+    : public logic_error
+{
+public:
+    _LIBCPP_INLINE_VISIBILITY explicit invalid_argument(const string& __s) : logic_error(__s) {}
+    _LIBCPP_INLINE_VISIBILITY explicit invalid_argument(const char* __s)   : logic_error(__s) {}
+
+    virtual ~invalid_argument() throw();
+};
+
+class _LIBCPP_EXCEPTION_ABI length_error
+    : public logic_error
+{
+public:
+    _LIBCPP_INLINE_VISIBILITY explicit length_error(const string& __s) : logic_error(__s) {}
+    _LIBCPP_INLINE_VISIBILITY explicit length_error(const char* __s)   : logic_error(__s) {}
+
+    virtual ~length_error() throw();
+};
+
+class _LIBCPP_EXCEPTION_ABI out_of_range
+    : public logic_error
+{
+public:
+    _LIBCPP_INLINE_VISIBILITY explicit out_of_range(const string& __s) : logic_error(__s) {}
+    _LIBCPP_INLINE_VISIBILITY explicit out_of_range(const char* __s)   : logic_error(__s) {}
+
+    virtual ~out_of_range() throw();
+};
+
+class _LIBCPP_EXCEPTION_ABI range_error
+    : public runtime_error
+{
+public:
+    _LIBCPP_INLINE_VISIBILITY explicit range_error(const string& __s) : runtime_error(__s) {}
+    _LIBCPP_INLINE_VISIBILITY explicit range_error(const char* __s)   : runtime_error(__s) {}
+
+    virtual ~range_error() throw();
+};
+
+class _LIBCPP_EXCEPTION_ABI overflow_error
+    : public runtime_error
+{
+public:
+    _LIBCPP_INLINE_VISIBILITY explicit overflow_error(const string& __s) : runtime_error(__s) {}
+    _LIBCPP_INLINE_VISIBILITY explicit overflow_error(const char* __s)   : runtime_error(__s) {}
+
+    virtual ~overflow_error() throw();
+};
+
+class _LIBCPP_EXCEPTION_ABI underflow_error
+    : public runtime_error
+{
+public:
+    _LIBCPP_INLINE_VISIBILITY explicit underflow_error(const string& __s) : runtime_error(__s) {}
+    _LIBCPP_INLINE_VISIBILITY explicit underflow_error(const char* __s)   : runtime_error(__s) {}
+
+    virtual ~underflow_error() throw();
+};
+
+
+}  // std
+
+#endif  // _LIBCPP_STDEXCEPT