From c09cd7512491cee1e82c1ad8128ce9fd4bc3f79b Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 22 Sep 2017 23:32:28 +0200
Subject: Initial modularization with both Clang and VC hacks

Note: gave up on VC about half way though.
---
 libbutl/char-scanner.hxx | 127 -----------------------------------------------
 1 file changed, 127 deletions(-)
 delete mode 100644 libbutl/char-scanner.hxx

(limited to 'libbutl/char-scanner.hxx')

diff --git a/libbutl/char-scanner.hxx b/libbutl/char-scanner.hxx
deleted file mode 100644
index 3aa1e0d..0000000
--- a/libbutl/char-scanner.hxx
+++ /dev/null
@@ -1,127 +0,0 @@
-// file      : libbutl/char-scanner.hxx -*- C++ -*-
-// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
-// license   : MIT; see accompanying LICENSE file
-
-#ifndef LIBBUTL_CHAR_SCANNER_HXX
-#define LIBBUTL_CHAR_SCANNER_HXX
-
-#include <string>  // char_traits
-#include <cstdint> // uint64_t
-#include <istream>
-
-#include <libbutl/fdstream.hxx>
-
-#include <libbutl/export.hxx>
-
-namespace butl
-{
-  // Low-level character stream scanner. Normally used as a base for
-  // higher-level lexers.
-  //
-  class LIBBUTL_SYMEXPORT char_scanner
-  {
-  public:
-    // If the crlf argument is true, then recognize Windows newlines (0x0D
-    // 0x0A) and convert them to just '\n' (0x0A). Note that a standalone
-    // 0x0D is treated "as if" it was followed by 0x0A.
-    //
-    // Note also that if the stream happens to be ifdstream, then it includes
-    // a number of optimizations that assume nobody else is messing with the
-    // stream.
-    //
-    char_scanner (std::istream& is, bool crlf = true);
-
-    char_scanner (const char_scanner&) = delete;
-    char_scanner& operator= (const char_scanner&) = delete;
-
-    // Scanner interface.
-    //
-  public:
-
-    // Extended character. It includes line/column information and is capable
-    // of representing EOF.
-    //
-    // Note that implicit conversion of EOF to char_type results in NUL
-    // character (which means in most cases it is safe to compare xchar to
-    // char without checking for EOF).
-    //
-    class xchar
-    {
-    public:
-      using traits_type = std::char_traits<char>;
-      using int_type = traits_type::int_type;
-      using char_type = traits_type::char_type;
-
-      int_type value;
-      std::uint64_t line;
-      std::uint64_t column;
-
-      operator char_type () const
-      {
-        return value != traits_type::eof ()
-          ? static_cast<char_type> (value)
-          : char_type (0);
-      }
-
-      xchar (int_type v, std::uint64_t l = 0, std::uint64_t c = 0)
-          : value (v), line (l), column (c) {}
-    };
-
-    xchar
-    get ();
-
-    void
-    get (const xchar& peeked); // Get previously peeked character (faster).
-
-    void
-    unget (const xchar&);
-
-    // Note that if there is an "ungot" character, peek() will return
-    // that.
-    //
-    xchar
-    peek ();
-
-    // Tests. In the future we can add tests line alpha(), alnum(),
-    // etc.
-    //
-    static bool
-    eos (const xchar& c) {return c.value == xchar::traits_type::eof ();}
-
-    // Line and column of the next character to be extracted from the stream
-    // by peek() or get().
-    //
-    std::uint64_t line = 1;
-    std::uint64_t column = 1;
-
-  protected:
-    using int_type = xchar::int_type;
-    using char_type = xchar::char_type;
-
-    int_type
-    peek_ ();
-
-    void
-    get_ ();
-
-  protected:
-    std::istream& is_;
-
-    fdbuf* buf_; // NULL if not ifdstream.
-    const char_type* gptr_;
-    const char_type* egptr_;
-
-    bool crlf_;
-    bool eos_ = false;
-
-    bool unget_ = false;
-    bool unpeek_ = false;
-
-    xchar ungetc_ = '\0';
-    xchar unpeekc_ = '\0';
-  };
-}
-
-#include <libbutl/char-scanner.ixx>
-
-#endif // LIBBUTL_CHAR_SCANNER_HXX
-- 
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